CN113453329B

CN113453329B - Interference processing method and node equipment

Info

Publication number: CN113453329B
Application number: CN202010215275.2A
Authority: CN
Inventors: 刘进华
Original assignee: Vivo Mobile Communication Co Ltd
Current assignee: Vivo Mobile Communication Co Ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2023-02-21
Anticipated expiration: 2040-03-24
Also published as: WO2021190517A1; CN113453329A

Abstract

The embodiment of the invention provides an interference processing method and node equipment, relates to the technical field of communication, and aims to solve the problem that an interference measurement result obtained by an interference measurement scheme in the related technology cannot accurately reflect the interference of an IAB-DU to an IAB-MT. The method comprises the following steps: interference measurement is carried out to obtain target interference information; reporting target interference information to target node equipment; wherein the target interference information includes at least one of: first interference information of a DU of first IAB node equipment to an MT of the IAB node equipment, and second interference information of the MT of the first IAB node equipment to the DU of the IAB node equipment; the target node device is a parent node device of the first IAB node device or a first IAB control node device. The method and the device are applied to an interference processing scene.

Description

Interference processing method and node equipment

Technical Field

The present application relates to the field of communications technologies, and in particular, to an interference processing method and a node device.

Background

Currently, a commonly used self-backhauled (IAB) system may include an IAB control node device, at least one IAB node device, and at least one UE. One IAB node device includes a Distributed Unit (DU) function and a Mobile terminal Unit (MT).

In the related art, after a node device unit (e.g., an IAB-MT or an IAB-DU) in an IAB node device performs interference measurement by using a conventional interference measurement scheme, an interference measurement result is reported to an upstream IAB node device (parent IAB node) of the IAB node device through a Channel Quality Indicator (CQI) for scheduling.

However, the above interference measurement scheme does not fully reflect the interference between node device units in the IAB node device when performing interference measurement. For example, on the interference measurement resource configured by the parent IAB node for the IAB-MT, the IAB-DU is not transmitted or transmitted at this time, and the interference measurement result cannot reflect the interference of the IAB-DU to the IAB-MT.

Disclosure of Invention

The embodiment of the invention provides an interference processing method and node equipment, which are used for solving the problem that an interference measurement result obtained by an interference measurement scheme in the related technology cannot accurately reflect the interference of an IAB-DU (inter-integrated interference-data Unit) to an IAB-MT (inter-integrated interference-data Unit).

In order to solve the technical problem, the present application is implemented as follows:

in a first aspect, an embodiment of the present invention provides an interference processing method, which is applied to a first IAB node device, and the method includes: interference measurement is carried out to obtain target interference information; reporting the target interference information to target node equipment; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device to the MT of the IAB node device, and second interference information of the MT of the first IAB node device to the DU of the IAB node device; the target node device is a second IAB node device or an IAB control node device; the second IAB node device is a parent node device of the first IAB node device.

In a second aspect, an embodiment of the present invention provides an interference processing method, which is applied to a target node device, and the method includes: acquiring target interference information; adjusting transmission parameters of the first IAB node equipment or the target node equipment according to the target interference information; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device to the MT of the IAB node device, and second interference information of the MT of the first IAB node device to the DU of the IAB node device; the target node device comprises a second IAB node device or an IAB control node device, the second IAB node device being a parent node device of the first IAB node device.

In a third aspect, an embodiment of the present invention provides an interference processing method, which is applied to an IAB control node device, and the method includes: reporting the target interference information to a second IAB node device; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device to the MT of the IAB node device, and second interference information of the MT of the first IAB node device to the DU of the IAB node device; the second IAB node device is a parent node device of the first IAB node device.

In a fourth aspect, an embodiment of the present invention provides a node device, where the node device is a first IAB node device, and the node device includes: the measuring module is used for carrying out interference measurement to obtain target interference information; a reporting module, configured to report the target interference information obtained by the measuring module to a target node device; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device with respect to the MT of the first IAB node device, and second interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device; the target node device is a second IAB node device or an IAB control node device; the second IAB node device is a parent node device of the first IAB node device.

In a fifth aspect, an embodiment of the present invention provides a node device, where the node device is a target node device, and the node device includes: the acquisition module is used for acquiring target interference information; the adjusting module is used for adjusting the transmission parameters of the first IAB node equipment or the target node equipment according to the target interference information acquired by the acquiring module; wherein the target interference information includes at least one of: first interference information of a DU of the first IAB node equipment to an MT of the first IAB node equipment, and second interference information of the MT of the first IAB node equipment to the DU of the first IAB node equipment; the target node device comprises a second IAB node device or an IAB control node device, the second IAB node device being a parent node device of the first IAB node device.

In a sixth aspect, an embodiment of the present invention provides a node device, where the node device is an IAB control node device, and the node device includes: a reporting module, configured to report target interference information to a second IAB node device; wherein the target interference information includes at least one of: first interference information of a DU of the first IAB node equipment to an MT of the first IAB node equipment, and second interference information of the MT of the first IAB node equipment to the DU of the first IAB node equipment; the second IAB node device is a parent node device of the first IAB node device.

In this embodiment of the present invention, the first IAB node device obtains, through measurement, interference information of a DU of the first IAB node device with respect to the MT of the IAB node, and/or interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device, and reports the interference information to the target node device (i.e., the parent node device of the first IAB node device or the IAB control node device). Since the interference information can reflect the actual interference between the DU and the MT in the first IAB node device, after the target node device acquires the interference information, the target node device may adjust the transmission power/transmission parameter of the DU or the MT in the first IAB node device based on the interference information, thereby alleviating the influence caused by the interference.

In a seventh aspect, an embodiment of the present invention provides an interference processing method, which is applied to an IAB node device, and the method includes: acquiring a target power control parameter of a target unit in the IAB node equipment at a target moment; adjusting the transmission power of the target unit at a target moment according to the target power control parameter; wherein, the target unit comprises DU or MT.

In an eighth aspect, an embodiment of the present invention provides a node device, where the node device is an IAB node device, and the node device includes: an obtaining module, configured to obtain a target power control parameter of a target unit in the IAB node device at a target time; an adjusting module, configured to adjust the transmit power of the target unit at a target time according to the target power control parameter obtained by the obtaining module; wherein, the target unit comprises DU or MT.

In the embodiment of the present invention, the IAB node device obtains a target power control parameter of a target unit in the IAB node device at a target time, and then adjusts the transmit power of the target unit (i.e. MT or DU in the IAB node device) in the IAB node device at the target time based on the target power control parameter. In this way, by controlling the transmission power of the DU or MT in the IAB node device, the interference between the DU and MT in the IAB node device can be sufficiently suppressed, and the influence of the interference can be alleviated.

In a ninth aspect, an embodiment of the present invention provides a node device, which includes a processor, a memory, and a computer program stored on the memory and executable on the processor, and when executed by the processor, the computer program implements the steps of the interference processing method according to any one of the above aspects.

In a tenth aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the interference processing method according to one aspect of the above-mentioned person.

Drawings

Fig. 1 is a schematic diagram of a possible structure of a communication system according to an embodiment of the present invention;

fig. 2 is a second schematic diagram of a possible structure of a communication system according to an embodiment of the present invention;

fig. 3 is a schematic view of an interference scenario among units in an IAB node device according to an embodiment of the present invention;

fig. 4 is a flowchart illustrating an interference processing method according to an embodiment of the present invention;

fig. 5 is a second flowchart illustrating an interference handling method according to an embodiment of the present invention;

fig. 6 is a third schematic flowchart of an interference processing method according to an embodiment of the present invention;

fig. 7 is a fourth schematic flowchart of an interference processing method according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an IAB node device according to an embodiment of the present invention;

fig. 9 is a second schematic structural diagram of an IAB node device according to an embodiment of the present invention;

fig. 10 is a third schematic structural diagram of an IAB node apparatus according to an embodiment of the present invention;

fig. 11 is a fourth schematic structural diagram of an IAB node device according to an embodiment of the present invention;

fig. 12 is a schematic hardware structure diagram of an IAB node device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The technical scheme provided by the invention can be applied to various communication systems, such as a 5G communication system, a future evolution system or a plurality of communication fusion systems and the like. Various application scenarios may be included, for example, scenarios such as Machine to Machine (M2M), D2M, macro and micro Communication, enhanced Mobile Broadband (eMBB), ultra high reliability and ultra Low Latency Communication (urrllc), and Massive internet of things Communication (mtc).

Fig. 1 shows a schematic diagram of a possible structure of a communication system according to an embodiment of the present invention. As shown in fig. 1, the communication system is an Integrated Access Backhaul (IAB) system, which includes: at least one IAB node apparatus 100 and at least one User Equipment (UE) 200, IAB control node apparatus 300.

One IAB node apparatus 100 includes a Distributed Unit (DU) function portion and a Mobile terminal Unit (MT). The at least one IAB node device 100 includes a parent IAB node device and one or more child IAB node devices corresponding to the parent IAB node device. If the above-mentioned IAB controlling node apparatus 300 is equipped with a control plane Unit/control plane protocol stack, the node apparatus may be referred to as a Centralized Control Unit (CU).

Illustratively, by means of the MT, an IAB node device can find an upstream access point (parent IAB node) and establish a wireless connection with the DU of the upstream access point, which is called backhaul link. After an IAB node device establishes a complete backhaul link, the IAB node device opens its DU function, and the DU provides a cell service, that is, the DU can provide an access service for the UE. A self-return loop includes a donor IAB node device having a wired transport network directly connected thereto.

Fig. 2 shows a schematic structural diagram of a CU-DU architecture of an IAB system according to an embodiment of the present invention. As shown in fig. 2, in a self-feedback loop, a DU (hereinafter, abbreviated as IAB-DU) in each IAB node apparatus is connected to the IAB control node apparatus, and an MT (hereinafter, abbreviated as IAB-MT) in the IAB node apparatus is also connected to the IAB control node apparatus. Typically, the donor IAB node device does not have an MT. Illustratively, the IAB controlling node device configures the DU in the IAB node device mainly through the F1-AP protocol. The IAB control node equipment configures the MT in the IAB node equipment through an RRC protocol.

In the embodiment of the present invention, the Duplexing mode between DU and MT of IAB node device is: half duplex (Half duplex) and Full duplex (Full duplex) modes. In the case of Full duplex, the DU or MT of the IAB node device may transmit and receive simultaneously. Therefore, under the multiplexing mode of FDM or SDM, the IAB node device has the following transceiving operation modes of DU and MT:

DU and MT transmit simultaneously (DU-TX & MT-TX) mode, or DU configured as DL and MT configured as UL;

DU receive and MT receive (DU-RX & MT-RX) mode, or DU configured as UL and MT configured as DL;

DU transmit and MT receive (DU-TX & MT-RX) mode, or DU configured as DL and MT configured as DL;

DU receive and MT transmit (DU-RX & MT-TX) mode, or DU configured as UL and MT configured as UL.

In the embodiment of the present invention, the DU transmission mode is abbreviated as DU-TX, the MT transmission mode is abbreviated as MT-TX, the DU reception mode is abbreviated as DU-RX, and the MT reception mode is abbreviated as MT-RX.

In the embodiment of the present invention, as shown in fig. 3, the interference situation of the DU and MT of the IAB node device at least includes the following scenarios:

for scenario 1 (case 1), when the IAB-DU transmission and the IAB-MT reception are performed simultaneously, the transmission of the IAB-DU may cause interference to the reception of the IAB-MT, especially when the IAB-DU and the IAB-MT share time-frequency resources (i.e. the FDM/SDM multiplexing mode).

For scenario 2 (case 2), when the IAB-DU reception and the IAB-MT transmission are performed simultaneously, the transmission of the IAB-MT may cause interference to the reception of the IAB-DU, especially when the IAB-DU and the IAB-MT share time-frequency resources (i.e. the FDM/SDM multiplexing mode).

For scenario 3 (case 3), when the IAB-DU reception and the IAB-MT reception are performed simultaneously, the transmission signal sent to the IAB-DU may also leak to the IAB-MT, thereby causing interference to the IAB-MT reception, and vice versa, especially when the IAB-DU and the IAB-MT share time-frequency resources (i.e. FDM/SDM multiplexing mode).

In the related art, for interference processing schemes of LTE and NR, a base station may assist the UE to schedule or select a suitable transmission parameter depending on an interference condition reported by the UE. The base station configures the channel measurement reference signal and the interference measurement resource for the UE, and the UE estimates the CQI according to the measurement result and reports the CQI to the base station.

In NR, in an information element (information element) of CSI-ReportConfig, a resource form channel measurement field configures a reference signal for channel measurement, and a CSI-IM-resource form interference field and/or a nzp-CSI-RS-resource form interference field configures a resource for interference measurement.

If only a resourcesFornnelMeasurement domain is configured in the signaling, the reference signal measurement is only used for L1-RSRP reporting. If a resourceforchannelmeasurement domain and a CSI-IM-resourceforeference domain and/or a nzp-CSI-RS-resourceference domain are configured in the signaling, measurement can be performed according to the configuration information, and the reported CQI is calculated.

In the embodiment of the present invention, when the IAB node reports the CQI, the reporting may be performed with reference to the above description process, which is not limited in the embodiment of the present invention.

In the uplink power control process of LTE and NR, a base station configures P0 and alpha values for a UE, where the transmission power of the UE is denoted by min (Pcmax, P0+ alpha × path + b), b is another parameter unrelated to P0/alpha, and Pcmax is the maximum transmission power threshold of the UE.

For interference measurement/reporting, if the IAB-MT adopts traditional interference measurement and CQI reporting to assist the parent IAB node in scheduling, the measurement and reporting results cannot completely reflect the interference situation of the IAB-DU to the IAB-MT. For example, on the interference measurement resource configured by the parent IAB node for the IAB-MT, the IAB-DU is not transmitted or sent at this time. Then the interference measurement result does not reflect the interference of the IAB-DU to the IAB-MT.

To solve this problem, in the technical solution provided in the embodiment of the present invention, the IAB node device obtains, through measurement, interference information of a DU of the IAB node device with respect to the MT of the IAB node and/or interference information of the MT of the IAB node with respect to the DU of the IAB node, and reports the interference information to the target node device (i.e., a parent node device of the IAB node device or an IAB control node device). Because the interference information can reflect the actual interference between the DU and the MT in the IAB node device, after the target node device acquires the interference information, the target node device may adjust the transmission power/transmission parameter of the DU or MT in the IAB node device based on the interference information, thereby alleviating the influence caused by the interference.

For power control, the transmit power of the DU cannot be completely autonomously determined in view of the strong interference of the DU-TX to the MT-RX, but there is currently no suitable scheme to control the transmit power of the DU. In addition, in view of strong interference of MT-TX to DU-RX, a more appropriate uplink power control method is also needed to suppress the interference.

To solve this problem, in the technical solution provided in the embodiment of the present invention, the IAB node device obtains a target power control parameter of a target unit in the IAB node device at a target time, and then adjusts the transmit power of the target unit (i.e. MT or DU in the IAB node device) in the IAB node device at the target time based on the target power control parameter. In this way, by controlling the transmission power of the DU or MT in the IAB node device, the interference between the DU and MT in the IAB node device can be sufficiently suppressed, and the influence of the interference can be alleviated.

It should be noted that "/" herein means "or", for example, A/B may mean A or B; "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone.

It should be noted that, for the convenience of clearly describing the technical solutions of the embodiments of the present application, in the embodiments of the present application, the terms "first", "second", and the like are used to distinguish the same items or similar items with basically the same functions or actions, and those skilled in the art can understand that the terms "first", "second", and the like do not limit the quantity and execution order. For example, the first power value and the second power value are used to distinguish different power values, rather than to describe a particular order of power values.

It should be noted that, in the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described as "exemplary" or "e.g.," an embodiment of the present invention is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.

In the embodiments of the present application, "of", "corresponding" and "corresponding" may be sometimes used in combination, and it should be noted that the intended meaning is consistent when the difference is not emphasized. The meaning of "a plurality" in the embodiments of the present application means two or more.

Fig. 4 shows a schematic flowchart of an interference processing method according to an embodiment of the present invention, and as shown in fig. 4, the interference processing method may include the following steps 201 and 202:

step 201: and the first IAB node equipment carries out interference measurement to obtain target interference information.

Step 202: and the first IAB node equipment reports the target interference information to the target node equipment.

In an embodiment of the present invention, the target interference information includes at least one of: first interference information of the distributed unit DU of the first IAB node device with respect to the mobile terminal unit MT of the first IAB node device, and second interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device.

In this embodiment of the present invention, the target node device is a second IAB node device or an IAB control node device. The second IAB node device is a parent node device of the first IAB node device. For example, the IAB control node device may be a donor gNB.

Optionally, in the embodiment of the present invention, the "interference" in the embodiment of the present invention includes at least one of the following: the interference of DU to MT and the interference of MT to DU, for example, the interference of DU to MT includes at least one of the following: interference of DU-TX (DU transmission) to MT-RX (MT reception), interference of DU-RX (DU reception) to MT-RX (MT reception); the above-mentioned MT interference to the DU includes at least one of: the interference of MT-RX (MT reception) to DU-RX (DU reception), and the interference of MT-TX (MT transmission) to DU-RX (DU reception).

Optionally, in this embodiment of the present invention, the target interference information is an interference strength of a receiving unit of the first IAB node device. It is to be understood that the receiving unit may be an interfered unit in the first IAB node device, and may also be an interfering unit in the first IAB node device.

Illustratively, the interference strength includes at least one of: reference Signal Received Power (RSRP), received Signal Strength Indication (RSSI), reference Signal Received Quality (RSRQ), signal-to-Interference-plus-noise Ratio (SINR), SNR, energy Per Resource Element (EPRE), power Spectral Density (PSD).

Illustratively, the RSRP may be RSRP of a Synchronization Signal Block (SSB) or a CSI Reference Signal (CSI-RS) or a DMRS, and the RSRP may be RSSI of the SSB or the CSI-RS or the (Demodulation Reference Signal).

For example, the interference strength may be one interference strength value, or a plurality of interference strength values, or a maximum interference strength value, or a minimum interference strength value, or a threshold value of an interference strength range.

For example, the interference strength of the receiving unit of the first IAB node device refers to a power strength from an interfering unit in the first IAB node device to an interfered unit in the first IAB node device, or a power strength from an interfered unit in the first IAB node device to an interfering unit in the first IAB node device.

For example, the interference strength value may be one value, multiple values, a maximum interference strength value, a minimum interference strength value, or an interference strength value range threshold value.

Optionally, in the embodiment of the present invention, the interference measurement may distinguish interference directions, that is, an interference result obtained by performing interference measurement by the first IAB node device may correspond to different interference directions.

Optionally, in the embodiment of the present invention, the target interference information is carried in a Medium Access Control CE (MAC CE), a BAP Control PDU, an RRC, or a UCI.

Optionally, in this embodiment of the present invention, the target interference information further includes at least one of the following: and the interference source other than the DU of the first IAB node device may cause third interference information to the MT of the first IAB node device, and the interference source other than the MT of the first IAB node device may cause fourth interference information to the DU of the first IAB node device.

Illustratively, the interference type of the first IAB node device in this embodiment of the present invention includes any one of:

1) The interference is only the interference of the interference unit in the first IAB node equipment to the interfered unit in the first IAB node equipment;

2) The interference is the interference of other interference sources to the interfered unit in the first IAB node equipment;

3) The interference is the interference of the interfering unit in the first IAB node device to the interfered unit in the first IAB node device, and the interference of other interference sources to the interfered unit in the first IAB node device.

For example, taking the IAB-MT as an example, the interference type of the IAB-MT includes any one of the following:

1) The interference is only the interference of the IAB-DU receiving and transmitting to the IAB-MT;

2) The interference is the interference of other interference sources to the IAB-MT;

3) The interference is the sum of the interference received by the IAB-DU transceiver to the IAB-MT and the interference of other interference sources to the IAB-MT.

It should be noted that which interference type is supported by the IAB-MT may be protocol-defined, configured by higher layer signaling, dynamically indicated by higher layer signaling or physical layer signaling, or may be implemented based on the IAB-MT, for example, through signaling such as RRC, F1-C, MAC CE, DCI, etc. In addition, when reporting interference to the parent node device or the IAB control node device, the first IAB node device may put multiple interference values in one message to report, or report only interference of one interference type and indicate the interference type. For example, the interference value may be reported via a bearer (e.g., MAC CE or BAP control PDU), and one of the bearers may indicate the interference type and the other may indicate the interference value.

For example, in this embodiment of the present invention, the first IAB node device may obtain the target interference information based on at least one of the following obtaining manners:

1) Measuring the interference of an interference module in first IAB node equipment to an interfered module;

2) Interference measured on the interference measurement resource;

3) And interfering the interference measured on the measurement resource, and accumulating/eliminating the interference of the interference module in the first IAB node equipment to the interfered module.

For example, taking the IAB-MT as an example, the IAB-MT may acquire the target interference information based on one or more of the following acquisition manners:

1) Interference of IAB-DU to IAB-MT, for example: interference as described in scheme one;

2) Interference measured on the interference measurement resource;

3) The interference measured on the interference measurement resource and the interference of the IAB-DU to the IAB-MT are accumulated/eliminated.

Illustratively, the interference measurement resource may be a resource indicated by the CSI-IM-resource ForInterference domain and/or nzp-CSI-RS-resource ForInterference.

Illustratively, if there is IAB-DU transmission/reception on the interference measurement resource, the interference measurement result reflects the interference of the IAB-DU to the IAB-MT and/or the interference of other interference sources; if no IAB-DU transmission exists on the interference measurement resource, the interference measurement result reflects the interference of other interference sources. Furthermore, in DU-TX & MT-RX mode or DU-RX & MT-RX mode, the first IAB node device knows the transmit power of its DU or MT, and the first IAB node device can measure the interference in DU-TX & MT-RX mode or DU-RX & MT-RX mode by itself and report the normalized interference measurement (e.g., interference per mW transmit power) to the IAB control node device or to the parent node device of the first IAB node device.

It should be noted that the first IAB node device may measure, on the interference measurement resource, interference generated by transmission of a CSI-RS or SSB or CSI-RS or Sounding Reference Signal (SRS), or Physical Downlink Shared Channel (PDSCH), or Physical Uplink Shared Channel (PUSCH), and the like.

Optionally, in an embodiment of the present invention, the first interference information includes at least one of: first sub-interference information and second sub-interference information; the second interference information includes at least one of: third sub-interference information and fourth sub-interference information;

wherein, the first sub-interference information is interference information received by the DU receiving signal of the first IAB node device to the MT of the first IAB node device;

the first sub-interference information is interference information received by the MT of the first IAB node device from the DU transmission signal of the first IAB node device;

the third sub-interference information is interference information of an MT received signal of the first IAB node device to a DU received by the first IAB node device;

the fourth sub-interference information is interference information that the MT of the first IAB node device transmits a signal to receive the DU of the first IAB node device.

Optionally, in this embodiment of the present invention, the signal strength of the DU receiving signal is a first reference power strength; the signal strength of the DU transmission signal is a second reference power strength; the signal strength of the MT received signal is a third reference power strength; the signal strength of the MT transmitted signal is the third reference power strength.

For example, for interference caused by transmission of the interference module to reception of the interfered module, the corresponding reference power may be the transmission power of the interfering unit; for interference from reception by the interfering module on transmission by the interfered module, the corresponding reference power may be a received power of the interfering unit.

Optionally, in an embodiment of the present invention, the first reference power strength is determined based on at least one of: the protocol specifies, and is indicated by a signaling, that the first IAB node device autonomously determines, where an actual received power of a DU of the first IAB node device is configured by the target node device and is the first reference power strength;

the second reference power strength is determined based on at least one of: the protocol specifies, and is indicated by a signaling, that the first IAB node device autonomously determines, where an actual DU receiving and sending rate of the first IAB node device is configured by the target node device and is the second reference power strength;

the third reference power strength is determined based on at least one of: the actual received power of the MT of the first IAB node device, which is determined autonomously by the first IAB node device and is specified by a protocol and indicated by a signaling, is configured by the target node device at the third reference power strength;

the fourth reference power strength is determined based on at least one of: the protocol specifies, and is indicated by signaling, that the first IAB node device autonomously determines, and that an actual transmission power of the MT of the first IAB node device is configured by the target node device, the fourth reference power.

Illustratively, the first IAB node device determines autonomously and reports to the parent IAB node, e.g., reporting together with the interference measurement result or reporting separately.

For example, the first reference power strength, the second reference power strength, the third reference power strength, and the fourth reference power strength may be configured individually, or may be configured in the same manner with a plurality of reference power strengths, which is not limited in the embodiment of the present invention.

Further optionally, in this embodiment of the present invention, the signaling indication may be indicated by higher layer signaling or physical layer signaling (e.g., MAC CE, DCI). For example, parent IAB node is indicated by physical layer signaling.

Further optionally, in the embodiment of the present invention, the signal power strength of the interference unit may be a power offset corresponding to the reference power.

Optionally, in this embodiment of the present invention, with reference to fig. 4, as shown in fig. 5, after step 202, the interference processing method provided in this embodiment of the present invention may further include the following step A1 and step A2:

step A1: and the target node equipment acquires target interference information.

Step A2: and the target node equipment adjusts the transmission parameters of the first IAB node equipment or the target node equipment according to the target interference information.

For example, for a target node device being a second IAB node device, an obtaining manner of the second IAB node device obtaining the target interference information includes at least one of the following:

mode 1: the first IAB node equipment directly reports the target interference information to second IAB node equipment;

mode 2: the first IAB node device reports the target interference information to an IAB control node device, and the IAB control node device reports or configures the target interference information to a second IAB node device.

For example, the IAB controlling node device may be configured through Radio Resource Control (RRC) signaling or F1-C signaling or BAP Control PDU.

Therefore, after receiving the target interference information, the target node device can acquire the interference situation between the internal units of the first IAB node device based on the target interference information, and then adjust the transmission parameters of the first IAB node device or the target node device based on the interference situation, thereby alleviating the interference problem between the internal units of the first IAB node device.

Optionally, in the embodiment of the present invention, with reference to fig. 4, as shown in fig. 6, the interference processing method provided in the embodiment of the present invention may include the following step B1:

step B1: and the IAB control node equipment reports the target interference information to the second IAB node equipment.

Further optionally, in the embodiment of the present invention, before the step B1, the power adjustment method provided in the embodiment of the present invention further includes the following step B11:

step B11: the IAB controlling node device receives target interference information from the first IAB node device.

Optionally, in an embodiment of the present invention, the step 202 may include the following steps 202a1 and 202a2:

step 202a1: and the first IAB node equipment reports the target reference power strength and the target interference information to the target node equipment simultaneously.

Step 202a2: the target node device receives the target reference power strength and the target interference information from the first IAB node device.

Wherein the target reference power strength comprises at least one of: the first reference power level, the second reference power level, the third reference power level, and the fourth reference power level.

Optionally, in an embodiment of the present invention, the step 202 may include the following steps 202b1 and 202b2:

step 202b1: the first IAB node device reports the capability information of the first IAB node device or the MT in the first IAB node device or the DU in the first IAB node device to the target node device.

Wherein the capability information includes the target interference information.

Step 202b2: the target node equipment receives the first IAB node equipment or the MT in the first IAB node equipment or the ability information of the DU in the first IAB node equipment from the first IAB node equipment.

Optionally, in an embodiment of the present invention, the step 202 may include the following steps 202c1 and 202c2:

step 202c1: and the first IAB node equipment reports the CQI to the target node equipment.

Step 202c2: the target node device receives the CQI from the first IAB node device.

Wherein the CQI is calculated based on the target interference information.

For example, CSI reporting may report one or more CSI or CQIs.

Illustratively, when the first IAB node device reports the CSI/CQI, the target interference information may be reported by reporting the CQI. In one example, when the IAB-MT reports the CSI/CQI, if the reporting is for the time (e.g., the corresponding symbol/(sub-) slot) of MT-RX & DU-TX/RX, the target interference information is reported by reporting the CQI.

Further optionally, in an embodiment of the present invention, the calculating the CQI based on the target interference information includes: the first IAB node device selects the target interference information; wherein the first IAB node device selects the target interference information based on at least one of: the protocol specifies, and the signaling indicates, that the first IAB node device autonomously decides.

For example, the first IAB node device may use one or more interference calculation methods to obtain interference information that needs to be reported or does not need to be reported. Wherein the interference calculation mode comprises at least one of the following: the IAB controls node device configuration, parent node device configuration, and parent node device dynamic indication as defined by the protocol, e.g., through signaling by RRC, F1-C, MAC CE, DCI, etc.

Optionally, in this embodiment of the present invention, the first IAB node device may determine the interference measurement mode according to a signal transceiving condition on the interference measurement resource.

In one example, for an IAB-DU, the first IAB node device may select an interference measurement mode based on whether the IAB-DU is received or transmitted on the interference measurement resource. Example 1: if reporting is at the time of DU-TX & MT-RX, and a plurality of interference measurement resources are configured at the time of DU-TX, if DU-TX has no actual information to transmit, interference calculation needs to additionally add/only calculate interference of IAB-DU transmission on IAB-MT reception, or CSI is not reported. Example 2: if reporting is directed to the time of DU-RX & MT-RX, and a plurality of interference measurement resources are configured at the time of DU-TX, if DU-TX has no actual information reception, interference calculation needs to additionally add/only calculate interference of IAB-DU transmission on IAB-MT reception, or CSI is not reported.

Optionally, in the embodiment of the present invention, before the step 202, the interference processing method provided in the embodiment of the present invention may further include the following step 202d1:

step 202d1: the first IAB node equipment acquires the first indication information.

The first indication information is used for indicating that the target interference information is reported under the condition that a first condition is met.

In an example, before the step 202d1, the interference processing method provided in the embodiment of the present invention may further include the following step 202d11 or step 202d12:

step 202d11: the second IAB node device sends the first indication information to the first IAB node device.

Step 202d12: the IAB control node equipment sends first indication information to the first IAB node equipment.

Further, in combination with the step 202d1, the step 202 may include the following steps 202d1:

step 202d1: if the first condition is met, the first IAB node equipment reports the target interference information according to the first indication information.

Wherein the first condition comprises at least one of: the interference measurement resource is configured at a target moment, and the channel measurement resource is configured at the target moment; the target time includes at least one of: a time when the DU receives a signal and the MT receives a signal, a time when the DU transmits a signal and the MT receives a signal, a time when the MT receives a signal and the DU receives a signal, a time when the DU is UL and the MT is DL, a time when the DU is DL and the MT is DL, and a time when the MT is DL and the DU is UL.

For example, the DU reception signal may be a time when the DU receives a specific signal, or may be a time when the DU receives a signal (in this case, only the operation of emphasizing the DU reception signal is performed, and whether the DU receives a signal is not limited). Similarly, the MT received signal may be a time when the MT receives a specific signal, or may be a time when the MT receives a signal.

The MT transmission signal may be a time when the MT transmits a specific signal, or may be a time when the MT transmits a signal (in this case, only the operation of the MT transmission signal is emphasized, and the signal transmitted by the MT is not limited). Similarly, the DU transmission signal may be a time when the DU transmits the specific signal, or may be a time when the DU transmits the signal.

Illustratively, the measurement and reporting of CSI for the time instants of DU-TX & MT-RX and/or DU-RX & MT-RX is defined and configured according to at least one of the following criteria:

1) The resources for channel measurements and/or interference measurements are configured at the time of the DU-TX & MT-RX and/or DU-RX & MT-RX.

2) Explicit configuration/dynamic indication of the CSI reporting the time for DU-TX & MT-RX and/or DU-RX & MT-RX.

Example 1: the configuration may be configured by higher layer signaling, for example: RRC, MAC CE, F1-C, etc.

For example, an implicit configuration mode may be that, if CSI is reported, interference information is required to be used for reporting (for example, CQI reporting exists), but no interference measurement resource is configured in CSI reporting (for example, CSI-IM-resources for interference domain and/or nzp-CSI-RS-resources for interference domain default).

Example 2: the dynamic indication may be physical layer or higher layer signaling, such as: DCI, MAC CE, etc.

3) Without excluding other criteria.

It should be noted that after the one or more manners are configured or indicated, the report may still be selectively reported or not reported based on the one or more manners according to the rule defined by the protocol.

Optionally, in an embodiment of the present invention, the step 202 may include the following step 202e:

step 202e: and the first IAB node equipment reports the target interference information to the target node equipment according to the first information.

The first information is used to instruct the first IAB node device to report the target interference information.

Further optionally, in this embodiment of the present invention, the first information is configuration information, and the configuration information is configured through a high-level signaling; or, the first information is second indication information, and the second indication information is configured through a physical layer or a higher layer signaling.

In the interference processing method provided in the embodiment of the present invention, the first IAB node device obtains, through measurement, interference information of a DU of the first IAB node device with respect to the MT of the IAB node and/or interference information of the DU of the IAB node with respect to the MT of the IAB node, and reports the interference information to the target node device (i.e., the parent node device of the first IAB node device or the IAB control node device). Since the interference information can reflect the actual interference between the DU and the MT in the first IAB node device, after the target node device acquires the interference information, the target node device may adjust the transmission power/transmission parameter of the DU or the MT in the first IAB node device based on the interference information, thereby alleviating the influence caused by the interference.

Fig. 7 shows a flowchart of an interference processing method according to an embodiment of the present invention, and as shown in fig. 7, the interference processing method may include the following steps 301 and 202:

step 301: the IAB node equipment acquires a target power control parameter of a target unit in the IAB node equipment at a target moment.

Step 302: and the IAB node equipment adjusts the sending power of the target unit at the target moment according to the target power control parameter.

Wherein, the target unit comprises a DU or an MT in the IAB node device.

Optionally, in an embodiment of the present invention, the target power control parameter includes: the maximum transmission power value, the minimum transmission power value, the transmission power value range threshold value and the actual value of the transmission power of the target unit at the target moment.

Optionally, in this embodiment of the present invention, if the target unit is a DU and the target time includes at least one first time, the step 301 may include the following step 301a:

step 301a: the IAB node equipment respectively acquires corresponding target power control parameters for each first time.

Wherein the first time comprises any one of: a time when the DU transmits a signal and the MT receives a signal, a time when the DU transmits a signal and the MT transmits a signal, a time when the DU transmits a signal and the MT does not transmit a signal (that is, a time when only the DU transmits a signal), a time when the DU is DL and the MT is DL, and a time when the DU is DL and the MT is UL; the target power control parameter includes any one of: a maximum transmission power of the DU, a minimum transmission power of the DU, a threshold value of a range of transmission powers of the DU, and an actual transmission power of the DU.

It should be noted that the above power value may be specified by a protocol, may be configured by a parent node device or an IAB control node device, and may be dynamically indicated by the parent node device or the IAB control node device.

Optionally, in an embodiment of the present invention, if the target unit is an MT and the target time includes at least one second time, the step 301 may include the following step 301b:

step 301b: and the IAB node equipment acquires the corresponding target power control parameter for each second moment.

Wherein the second time includes any one of: a time when the MT transmits a signal and the DU receives a signal, a time when the MT transmits a signal and the DU transmits a signal, a time when the MT transmits a signal and the DU does not transmit a signal (that is, a time when only the MT transmits a signal), a time when the MT is UL and the DU is UL, and a time when the MT is UL and the DU is DL; the target power control parameter includes at least one of: a target power control parameter, the maximum transmission power of the MT.

Illustratively, the uplink power control parameters of the IAB-MT are configured independently (for example, P0 and alpha); the independent configuration is at least applicable to the MT-TX & DU-RX time (e.g. symbol/(sub-) slot).

Optionally, in this embodiment of the present invention, the target power control parameter is obtained based on at least one of the following:

the protocol is pre-defined in a predetermined manner,

based on the power control parameter acquisition mode specified by the protocol,

the above-mentioned IAB node device decides autonomously,

obtained from the target node device;

the target node device is a parent node device of the IAB node device or an IAB control node device.

For example, the process of the IAB node device obtaining the target power control parameter of the target unit in the IAB node device at the target time in step 301 includes at least one of the following:

a target power control parameter predefined by the protocol is acquired,

acquiring a target power control parameter based on a power control parameter acquisition mode specified by a protocol,

the IAB node device autonomously decides a target power control parameter,

a target power control parameter is received from a target node device.

Further optionally, in this embodiment of the present invention, if the target power control parameter is the maximum transmit power of the MT in the IAB node device, the power control parameter obtaining manner specified by the protocol includes: and determining the maximum transmission power of the MT based on the maximum interference threshold of the MT in the IAB node equipment to the DU.

Wherein the maximum interference threshold is determined based on at least one of: predefined, protocol-specified, signaling-indicated, IAB node device-autonomous-decision, target node device-configured.

For example, the IAB node device may re-agree on the maximum transmission power Pcmax _ IAB of the IAB-MT according to the interference condition of the IAB-MT to the IAB-DU, or a backoff offset value relative to the maximum power, where the transmission power of the IAB-MT is min (Pcmax _ IAB, P0+ alpha × Pathloss + b); the independent configuration is at least applicable to the MT-TX & DU-RX time (e.g. symbol/(sub-) slot).

Illustratively, the aforementioned convention includes: defining or configuring a maximum interference threshold of the MT to the DU so as to determine the maximum transmission power of the IAB-MT; or the IAB node autonomously determines the maximum transmission power of the IAB-MT and reports the maximum transmission power to the parent IAB node or the IAB control node equipment; the IAB controls the node device/parent IAB node to configure the maximum transmit power of the IAB-MT.

Illustratively, the maximum transmission power Pcmax _ IAB of the IAB-MT or the backoff offset value with respect to the maximum power may be carried by at least one of the following bearers: PDCCH, MAC CE, BAP control PDU, RRC.

Optionally, in the embodiment of the present invention, the interference processing method provided in the embodiment of the present invention may further include the following steps:

step A: the IAB node device reports the information autonomously decided by the IAB node device to the IAB control node device or the upstream node device of the IAB node device.

In the power adjustment method provided in the embodiment of the present invention, the IAB node device obtains the target power control parameter of the target unit in the IAB node device at the target time, and then adjusts the transmission power of the target unit (i.e., MT or DU in the IAB node device) in the IAB node device at the target time based on the target power control parameter. In this way, by controlling the transmission power of the DU or MT in the IAB node device, the interference between the DU and MT in the IAB node device can be sufficiently suppressed, and the influence of the interference can be alleviated.

Fig. 8 is a schematic diagram of a possible structure of a node device according to an embodiment of the present invention, where the node device is a first IAB node device, and as shown in fig. 8, the first IAB node device 400 includes: a measurement module 401 and a reporting module 402, wherein: a measurement module 401, configured to perform interference measurement to obtain target interference information; a reporting module, configured to report the target interference information obtained by the measuring module 401 to the target node device; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device with respect to the MT of the first IAB node device, and second interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device; the target node device is a second IAB node device or an IAB control node device; the second IAB node device is a parent node device of the first IAB node device.

Optionally, in this embodiment of the present invention, the target interference information is an interference strength of a receiving unit of the first IAB node device; the interference strength includes at least one of: RSRP, RSSI, RSRQ, SINR, SNR, EPRE, PSD.

Optionally, in this embodiment of the present invention, the target interference information further includes at least one of the following: and the interference source other than the DU of the first IAB node device may be third interference information of the MT of the first IAB node device, and the interference source other than the MT of the first IAB node device may be fourth interference information of the DU of the first IAB node device.

wherein, the first sub-interference information is interference information that a DU received signal of the first IAB node device receives to an MT of the first IAB node device;

Optionally, in an embodiment of the present invention, the first reference power strength is determined based on at least one of: the protocol specifies, and is indicated by signaling, that the first IAB node device autonomously determines that the actual received power of the DU of the first IAB node device is the first reference power strength;

the second reference power strength is determined based on at least one of: the protocol specifies, and is indicated by signaling, that the first IAB node device autonomously determines that an actual DU receiving and sending rate of the first IAB node device is the second reference power strength;

the third reference power strength is determined based on at least one of: the actual received power of the MT of the first IAB node device, which is determined autonomously by the first IAB node device and is specified by a protocol and indicated by signaling, is the third reference power strength;

the fourth reference power strength is determined based on at least one of: the protocol specifies, by signaling, that the actual transmission power of the MT of the first IAB node apparatus, which is autonomously determined by the first IAB node apparatus, is the fourth reference power strength.

Optionally, in this embodiment of the present invention, the reporting module 402 is specifically configured to report the target reference power strength and the target interference information to the target node device at the same time; wherein the target reference power strength comprises at least one of: the first reference power level, the second reference power level, the third reference power level, and the fourth reference power level.

Optionally, in this embodiment of the present invention, the reporting module 402 is specifically configured to report, to a target node device, capability information of the first IAB node device or an MT in the first IAB node device or a DU in the first IAB node device, where the capability information includes the target interference information.

Optionally, in this embodiment of the present invention, the reporting module 402 is specifically configured to report the CQI to the target node device; wherein the CQI is calculated based on the target interference information.

Optionally, in an embodiment of the present invention, the calculating the CQI based on the target interference information includes: the first IAB node device selects the target interference information; wherein the first IAB node device selects the target interference information based on at least one of: the protocol specifies, and the signaling indicates, that the first IAB node device autonomously decides.

Optionally, in this embodiment of the present invention, as shown in fig. 8, the first IAB node device further includes: an obtaining module 403, wherein: an obtaining module 403, configured to obtain indication information, where the indication information is used to indicate that the target interference information is reported when a first condition is met; the reporting module 402 is specifically configured to report the target interference information according to the indication information if a first condition is met; wherein the first condition comprises at least one of: the interference measurement resource is configured at a target moment, and the channel measurement resource is configured at the target moment; the target time includes at least one of: a time when the DU receives a signal and the MT receives a signal, a time when the DU transmits a signal and the MT receives a signal, a time when the MT receives a signal and the DU receives a signal, a time when the DU is UL and the MT is DL, a time when the DU is DL and the MT is DL, and a time when the MT is DL and the DU is UL.

Optionally, in this embodiment of the present invention, the reporting module 402 is specifically configured to report the target interference information to a target node device according to the first information; the first information is used to instruct the first IAB node device to report the target interference information.

Optionally, in this embodiment of the present invention, the first information is configuration information, and the configuration information is configured through a high-level signaling; or, the first information is second indication information, and the second indication information is configured through a physical layer or a higher layer signaling.

Optionally, in the embodiment of the present invention, the target interference information is carried in a MAC CE, a BAP Control PDU, an RRC, or a UCI.

In the first IAB node device provided in the embodiment of the present invention, the first IAB node device obtains, through measurement, interference information of a DU of the first IAB node device with respect to the MT of the IAB node and/or interference information of the MT of the IAB node with respect to the DU of the IAB node, and reports the interference information to a target node device (that is, a parent node device or an IAB control node device of the first IAB node device). Since the interference information can reflect the actual interference between the DU and the MT in the first IAB node device, after the target node device acquires the interference information, the target node device may adjust the transmission power/transmission parameter of the DU or the MT in the first IAB node device based on the interference information, thereby alleviating the influence caused by the interference.

It should be noted that, as shown in fig. 8, modules that must be included in the first IAB node apparatus 400 are illustrated by solid line boxes, such as the measurement module 401; modules that may or may not be included in the first IAB node apparatus 400 are illustrated with dashed boxes, such as the acquisition module 403.

The first IAB node device provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment, and is not described here again to avoid repetition.

Fig. 9 is a schematic diagram of a possible structure of a node device according to an embodiment of the present invention, where the node device is a target node device, the target node device includes a second IAB node device or an IAB control node device, and the second IAB node device is a parent node device of a first IAB node device. As shown in fig. 9, the target node apparatus 500 includes: an obtaining module 501 and an adjusting module 502, wherein: an obtaining module 501, configured to obtain target interference information; an adjusting module 502, configured to adjust a transmission parameter of the first IAB node device or the target node device according to the target interference information acquired by the acquiring module 501; wherein the target interference information includes at least one of: first interference information of a DU of a first IAB node device to an MT of the first IAB node device, and second interference information of the MT of the first IAB node device to the DU of the first IAB node device.

Optionally, in this embodiment of the present invention, the target interference information is an interference strength of a receiving unit of the first IAB node device; the above interference strength includes at least one of: RSRP, RSSI, RSRQ, SINR, SNR, EPRE, PSD.

Optionally, in an embodiment of the present invention, the first reference power strength is determined based on at least one of: the protocol specifies that, indicated by signaling, the first IAB node device autonomously determines that the actual received power of the DU of the first IAB node device is the first reference power strength;

Optionally, in this embodiment of the present invention, as shown in fig. 9, the target node apparatus 500 includes: a receiving module 503, wherein: a receiving module 503, configured to receive a target reference power strength and the target interference information from the first IAB node device; wherein the target reference power strength comprises at least one of: the first reference power level, the second reference power level, the third reference power level, and the fourth reference power level.

Optionally, in this embodiment of the present invention, the receiving module 503 is further configured to receive, from the first IAB node device, capability information of the first IAB node device, or an MT in the first IAB node device, or a DU in the first IAB node device, where the capability information includes the target interference information.

Optionally, in this embodiment of the present invention, the receiving module 503 is further configured to receive a CQI from the first IAB node device; wherein the CQI is calculated by the first IAB node device based on the target interference information.

Optionally, in this embodiment of the present invention, as shown in fig. 9, the target node apparatus 500 includes: a sending module 504, wherein: a sending module 504, configured to send first indication information to the first IAB node device, where the first indication information is used to indicate that the first IAB node device reports the target interference information when a first condition is met.

In the target node device provided in the embodiment of the present invention, after receiving the target interference information, the target node device may obtain the interference situation between the internal units of the first IAB node device based on the target interference information, and then may adjust the transmission parameters of the first IAB node device or the target node device based on the interference situation, thereby alleviating the interference problem between the internal units of the first IAB node device.

It should be noted that, as shown in fig. 9, modules that are necessarily included in the target node device 500 are illustrated by solid line boxes, such as the obtaining module 501; modules that may or may not be included in the target node apparatus 500 are illustrated with dashed boxes, such as a receiving module 503.

The target node device 500 provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment, and for avoiding repetition, details are not described here again.

Fig. 10 is a schematic diagram of a possible structure of a node device according to an embodiment of the present invention, where the node device is an IAB control node device, and as shown in fig. 9, the IAB control node device 600 includes: a reporting module 601, configured to report the target interference information to a second IAB node device; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device with respect to the MT of the first IAB node device, and second interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device; the second IAB node device is a parent node device of the first IAB node device.

Optionally, in this embodiment of the present invention, the IAB controlling node apparatus 600 further includes: a receiving module 602, wherein: a receiving module 602, configured to receive the target interference information from the first IAB node device.

In the IAB control node device provided in the embodiment of the present invention, after obtaining interference information of the DU of the first IAB node device with respect to the MT of the IAB node and/or interference information of the DU of the IAB node with respect to the MT of the IAB node, the IAB control node device reports the interference information to the second IAB node device. Because the interference information can reflect the actual interference between the DU and the MT in the first IAB node device, after the second IAB node device acquires the interference information, the transmission power/transmission parameter of the DU or the MT in the first IAB node device can be adjusted based on the interference information, thereby alleviating the influence caused by the interference.

It should be noted that, as shown in fig. 10, modules that are necessarily included in the IAB control node device 600 are illustrated by solid line boxes, for example, a reporting module 601; modules that may or may not be included in the IAB controlling node apparatus 600 are illustrated with dashed boxes, as are receiving modules 602.

The IAB controlling node device 600 provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment, and is not described here again to avoid repetition.

Fig. 11 is a schematic diagram of a possible structure of another node device according to an embodiment of the present invention, where the node device is an IAB node device, and as shown in fig. 11, the IAB node device 700 includes: an obtaining module 701 and an adjusting module 702, wherein: an obtaining module 701, configured to obtain a target power control parameter of a target unit in the IAB node device at a target time; an adjusting module 702, configured to adjust the transmission power of the target unit at a target time according to the target power control parameter obtained by the obtaining module 701; wherein, the target unit comprises DU or MT.

Optionally, in an embodiment of the present invention, if the target unit is the DU, the target time includes at least one first time;

the obtaining of the target power control parameter of the target unit in the IAB node device at the target time includes:

respectively acquiring corresponding target power control parameters for each first moment;

wherein the first time comprises any one of: a time when the DU transmits a signal and the MT receives a signal, a time when the DU transmits a signal and the MT transmits a signal, a time when the DU transmits a signal and the MT does not transmit a signal, a time when the DU is DL and the MT is DL, and a time when the DU is DL and the MT is UL.

The target power control parameter includes any one of: a maximum transmission power of the DU, a minimum transmission power of the DU, a threshold value of a range of transmission powers of the DU, and an actual transmission power of the DU.

Optionally, in an embodiment of the present invention, if the target unit is the MT, the target time includes at least one second time; the obtaining module 701 is specifically configured to obtain a corresponding target power control parameter for each second time; wherein the second time includes any one of: a time when the MT transmits a signal and the DU receives a signal, a time when the MT transmits a signal and the DU transmits a signal, a time when the MT transmits a signal and the DU does not transmit a signal, a time when the MT is UL and the DU is UL, and a time when the MT is UL and the DU is DL; the target power control parameter includes at least one of: a target power control parameter, the maximum transmission power of the MT.

the protocol is pre-defined in the form of,

the above-mentioned IAB node device decides autonomously,

the information obtained from the target node device is transmitted to the target node device,

Optionally, in an embodiment of the present invention, if the target power control parameter is the maximum transmission power of the MT, the protocol-defined power control parameter obtaining method includes: determining the maximum transmission power of the MT based on the maximum interference threshold of the MT to the DU; wherein the maximum interference threshold is determined based on at least one of: predefined, protocol-specified, and signaling-indicated, the IAB node device autonomously determines, and the target node device configures.

Optionally, in this embodiment of the present invention, as shown in fig. 11, the IAB node device further includes: a reporting module 703, wherein:

a reporting module 703, configured to report the information autonomously determined by the IAB node device to the IAB control node device or an upstream node device of the IAB node device.

In the IAB node device provided in the embodiment of the present invention, the IAB node device obtains the target power control parameter of the target unit in the IAB node device at the target time, and then adjusts the transmission power of the target unit (i.e. MT or DU in the IAB node device) in the IAB node device at the target time based on the target power control parameter. In this way, by controlling the transmission power of the DU or MT in the IAB node device, the interference between the DU and MT in the IAB node device can be sufficiently suppressed, and the influence of the interference can be alleviated.

It should be noted that, as shown in fig. 11, modules that are necessarily included in the IAB node device 700 are illustrated by solid line boxes, such as an obtaining module 701; the IAB node device 700 may or may not include a module shown by a dashed box, such as the reporting module 703.

The IAB node device provided in the embodiment of the present invention can implement the process shown in the foregoing method embodiment, and is not described here again to avoid repetition.

Fig. 12 is a schematic diagram of a hardware structure of a node device for implementing an embodiment of the present invention, where the node device 800 includes: a processor 801, a transceiver 802, a memory 803, a user interface 804 and a bus interface.

In the case that the node device is a first IAB node device, the processor 801 is configured to perform interference measurement to obtain target interference information; a transceiver 802, configured to report target interference information to a target node device; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device with respect to the MT of the first IAB node device, and second interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device; the target node device is a parent node device of the first IAB node device or an IAB control node device.

In the case that the node device is a target node device, the processor 801 is configured to acquire target interference information, and further adjust a transmission parameter of the first IAB node device or the target node device according to the target interference information; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device to the MT of the first IAB node device, and second interference information of the MT of the first IAB node device to the DU of the first IAB node device.

In the target node device provided in the embodiment of the present invention, after receiving the target interference information, the target node device may obtain an interference situation between internal units of the first IAB node device based on the target interference information, and then may adjust a transmission parameter of the first IAB node device or the target node device based on the interference situation, thereby alleviating an interference problem between internal units of the first IAB node device.

The transceiver 802 is configured to report the target interference information to a second IAB node device when the node device is an IAB control node device; wherein the target interference information includes at least one of: first interference information of the DU of the first IAB node device with respect to the MT of the first IAB node device, and second interference information of the MT of the first IAB node device with respect to the DU of the first IAB node device; the second IAB node device is a parent node device of the first IAB node device.

In the IAB control node device provided in the embodiment of the present invention, after obtaining the interference information of the DU of the first IAB node device to the MT of the IAB node and/or the interference information of the MT of the IAB node to the DU of the IAB node, the IAB control node device reports the interference information to the second IAB node device. Because the interference information can reflect the actual interference between the DU and the MT in the first IAB node device, after the second IAB node device acquires the interference information, the second IAB node device may adjust the transmission power/transmission parameter of the DU or MT in the first IAB node device based on the interference information, thereby alleviating the influence caused by the interference.

And/or the presence of a gas in the gas,

in the case that the node device is an IAB node device, the processor 801 is configured to obtain a target power control parameter of a target unit in the IAB node device at a target time; adjusting the sending power of the target unit at the target moment according to the target power control parameter; wherein the target unit comprises a DU or MT.

In an embodiment of the invention, in FIG. 12, the bus architecture may include any number of interconnected buses and bridges, with one or more processors represented by the processor 801 and various circuits of memory represented by the memory 803 being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The transceiver 802 may be a number of elements including a transmitter and a receiver that provide a means for communicating with various other apparatus over a transmission medium. The user interface 804 may also be an interface capable of interfacing externally to a desired device for different user devices, including but not limited to a keypad, display, speaker, microphone, joystick, etc. The processor 801 is responsible for managing the bus architecture and general processing, and the memory 803 may store data used by the processor 801 in performing operations.

In addition, the IAB node apparatus 800 further includes some functional modules that are not shown, and are not described herein again.

Optionally, an embodiment of the present invention further provides an IAB node device, which includes a processor, a memory, and a computer program stored in the memory and capable of running on the processor, where the computer program, when executed by the processor, implements the process of the interference processing method shown in the foregoing embodiment, and can achieve the same technical effect, and details are not repeated here to avoid repetition.

An embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements multiple processes of the interference processing method in the foregoing embodiments, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium includes a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.

Through the description of the foregoing embodiments, it is clear to those skilled in the art that the method of the foregoing embodiments may be implemented by software plus a necessary general hardware platform, and certainly may also be implemented by hardware, but in many cases, the former is a better implementation. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal device (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that many more modifications and variations can be made without departing from the spirit of the invention and the scope of the appended claims.

Claims

1. An interference handling method applied to a first self-backhauled IAB node equipment, the method comprising:

interference measurement is carried out to obtain target interference information;

reporting the target interference information to target node equipment;

wherein the target interference information comprises at least one of: first interference information of a Distributed Unit (DU) of the first IAB node device to a mobile terminal unit (MT) of the first IAB node device, and second interference information of the MT of the first IAB node device to the DU of the first IAB node device;

the target node equipment is second IAB node equipment or IAB control node equipment; the second IAB node device is a parent node device of the first IAB node device;

the first interference information includes at least one of: first sub-interference information and second sub-interference information; the second interference information includes at least one of: third sub-interference information and fourth sub-interference information;

the first sub-interference information is interference information received by a DU sending signal of the first IAB node device to an MT of the first IAB node device;

the fourth sub-interference information is interference information that a signal sent by the MT of the first IAB node device receives a DU of the first IAB node device.

2. The method of claim 1, wherein the target interference information is an interference strength of a receiving unit of the first IAB node device; the interference strength includes at least one of: reference signal received power, RSRP, received signal strength indication, RSSI, reference signal received quality, RSRQ, signal to interference plus noise ratio, SINR, signal to noise ratio, SNR, energy per resource element, EPRE, power spectral density, PSD.

3. The method of claim 1, wherein the target interference information further comprises at least one of: and the interference source other than the DU of the first IAB node device interferes with the third interference information of the MT of the first IAB node device, and the interference source other than the MT of the first IAB node device interferes with the fourth interference information of the DU of the first IAB node device.

4. The method of claim 3,

the signal intensity of the DU receiving signal is a first reference power intensity;

the signal intensity of the DU sending signal is a second reference power intensity;

the signal strength of the MT received signal is a third reference power strength;

the signal strength of the MT transmitted signal is a fourth reference power strength.

5. The method of claim 4,

the first reference power strength is determined based on at least one of: the protocol specifies, and is indicated by signaling, that the first IAB node device autonomously determines, and that an actual received power of a DU of the first IAB node device is the first reference power strength;

the second reference power strength is determined based on at least one of: the protocol specifies, and is indicated by signaling, that the first IAB node device autonomously determines, and that an actual DU receiving and sending rate of the first IAB node device is the second reference power strength;

the third reference power strength is determined based on at least one of: the actual received power of the MT of the first IAB node device is the third reference power strength, which is determined autonomously by the first IAB node device as specified by a protocol and indicated by signaling;

the fourth reference power strength is determined based on at least one of: the actual transmission power of the MT of the first IAB node device, which is autonomously determined by the first IAB node device and is specified by a protocol and indicated by signaling, is the fourth reference power strength.

6. The method of claim 4 or 5, wherein reporting the target interference information to a target node device comprises:

simultaneously reporting the target reference power strength and the target interference information to target node equipment;

wherein the target reference power strength comprises at least one of: the first reference power strength, the second reference power strength, the third reference power strength, the fourth reference power strength.

7. The method of claim 1, wherein reporting the target interference information to the target node device comprises:

and reporting the capability information of the first IAB node equipment or the MT in the first IAB node equipment or the DU in the node equipment to target node equipment, wherein the capability information comprises the target interference information.

8. The method of claim 1 or 3, wherein the reporting the target interference information to the target node device comprises:

reporting a Channel Quality Indicator (CQI) to target node equipment;

wherein the CQI is calculated based on the target interference information.

9. The method of claim 8, wherein the calculating the CQI based on the target interference information comprises: the first IAB node equipment selects the target interference information;

wherein the first IAB node device selects the target interference information based on at least one of: the protocol specifies, and the signaling indicates, that the first IAB node device decides autonomously.

10. The method of claim 1, wherein before reporting the target interference information to a target node device, the method further comprises:

acquiring first indication information, wherein the first indication information is used for indicating that the target interference information is reported under the condition that a first condition is met;

the reporting of the target interference information to the target node equipment includes:

if the first condition is met, reporting the target interference information according to the first indication information;

wherein the first condition comprises at least one of: the interference measurement resource is configured at a target moment, and the channel measurement resource is configured at the target moment;

the target time includes at least one of: a time when the DU receives a signal and the MT receives a signal, a time when the DU transmits a signal and the MT receives a signal, a time when the MT receives a signal and the DU receives a signal, a time when the DU is UL and the MT is DL, a time when the DU is DL and the MT is DL, and a time when the MT is DL and the DU is UL.

11. The method of claim 1, wherein the reporting the target interference information to the target node device comprises:

reporting the target interference information to target node equipment according to the first information;

the first information is used for instructing the first IAB node device to report the target interference information.

12. The method of claim 11, wherein the first information is configuration information, and wherein the configuration information is configured through higher layer signaling; or, the first information is second indication information, and the second indication information is indicated by a physical layer or a high layer signaling.

13. The method of claim 1, wherein the target interference information is carried in a Medium Access Control (MAC) Control Element (CE), a band Control protocol data unit (BAP) PDU, a Radio Resource Control (RRC), or an Uplink Control Information (UCI).

14. An interference processing method, applied to a target node device, includes:

acquiring target interference information;

adjusting transmission parameters of first IAB node equipment or the target node equipment according to the target interference information;

wherein the target interference information comprises at least one of: first interference information of a Distributed Unit (DU) of first IAB node equipment to a mobile terminal unit (MT) of the first IAB node equipment, and second interference information of the MT of the first IAB node equipment to the DU of the IAB node equipment; the target node device comprises a second IAB node device or an IAB control node device, and the second IAB node device is a parent node device of the first IAB node device;

15. The method of claim 14, wherein the target interference information is an interference strength of a receiving unit of the first IAB node device; the interference strength includes at least one of: reference signal received power, RSRP, received signal strength indication, RSSI, reference signal received quality, RSRQ, signal to interference plus noise ratio, SINR, signal to noise ratio, SNR, energy per resource element, EPRE, power spectral density, PSD.

16. The method of claim 14, wherein the target interference information further comprises at least one of: and the interference source other than the DU of the first IAB node device interferes with the third interference information of the MT of the first IAB node device, and the interference source other than the MT of the first IAB node device interferes with the fourth interference information of the DU of the first IAB node device.

17. The method of claim 14,

the signal strength of the DU receiving signal is a first reference power strength;

18. The method of claim 17,

19. The method according to claim 17 or 18, wherein the obtaining target interference information comprises:

receiving, from the first IAB node device, a target reference power strength and the target interference information;

20. The method of claim 14, wherein the obtaining target interference information comprises:

receiving, from the first IAB node device, capability information of the first IAB node device, or an MT in the first IAB node device, or a DU in the first IAB node device, where the capability information includes the target interference information.

21. The method according to claim 14 or 16, wherein the obtaining target interference information comprises:

receiving, from the first IAB node device, a Channel Quality Indication (CQI);

wherein the CQI is calculated by the first IAB node equipment based on the target interference information.

22. The method of claim 14, wherein before the obtaining the target interference information, the method further comprises:

and sending first indication information to the first IAB node device, where the first indication information is used to indicate that the first IAB node device reports the target interference information when a first condition is met.

23. An interference handling method, applied to a self-backhauled IAB control node device, includes:

reporting target interference information to second IAB node equipment;

wherein the target interference information comprises at least one of: first interference information of a Distributed Unit (DU) of a first IAB node device to a mobile terminal unit (MT) of the first IAB node device, and second interference information of the MT of the first IAB node device to the DU of the first IAB node device;

the second IAB node device is a parent node device of the first IAB node device;

the third sub-interference information is interference information of a MT received signal of the first IAB node device on DU reception of the first IAB node device;

the fourth sub-interference information is interference information that the MT of the first IAB node device sends a signal to receive the DU of the first IAB node device.

24. The method of claim 23, wherein before reporting the target interference information to the second IAB node device, the method further comprises:

receiving the target interference information from the first IAB node device.

25. A node device, wherein the node device is a first self-backhauled IAB node device, comprising:

the measuring module is used for carrying out interference measurement to obtain target interference information;

a reporting module, configured to report the target interference information obtained by the measuring module to a target node device;

wherein the target interference information comprises at least one of: first interference information of a Distributed Unit (DU) of the first IAB node device to a mobile terminal unit (MT) of the IAB node device, and second interference information of the MT of the first IAB node device to the DU of the IAB node device;

wherein, the first sub-interference information is interference information received by the MT of the first IAB node device from the DU receive signal of the first IAB node device;

26. A node device, wherein the node device is a target node device, comprising:

the acquisition module is used for acquiring target interference information;

an adjusting module, configured to adjust a transmission parameter of a first IAB node device or the target node device according to the target interference information obtained by the obtaining module;

wherein the target interference information comprises at least one of: first interference information of a Distributed Unit (DU) of a first IAB node device to a mobile terminal unit (MT) of the first IAB node device, and second interference information of the MT of the first IAB node device to the DU of the IAB node device; the target node device comprises a second IAB node device or an IAB control node device, and the second IAB node device is a father node device of the first IAB node device;

the first interference information comprises at least one of: first sub-interference information and second sub-interference information; the second interference information includes at least one of: third sub-interference information and fourth sub-interference information;

27. A node device, wherein the node device is a self-backhauled ilab control node device, comprising:

a reporting module, configured to report target interference information to a second IAB node device;

28. A node device, comprising a processor, a memory and a computer program stored on the memory and executable on the processor, the computer program, when executed by the processor, implementing the steps of the interference processing method according to any one of claims 1 to 13 or any one of claims 14 to 22 or any one of claims 23 or 24.

29. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the steps of the interference processing method according to any one of claims 1 to 13 or any one of claims 14 to 22 or any one of claims 23 or 24.