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CN115396963A - Switching method, device and network side equipment - Google Patents

Switching method, device and network side equipment Download PDF

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Publication number
CN115396963A
CN115396963A CN202110574067.6A CN202110574067A CN115396963A CN 115396963 A CN115396963 A CN 115396963A CN 202110574067 A CN202110574067 A CN 202110574067A CN 115396963 A CN115396963 A CN 115396963A
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China
Prior art keywords
information
base station
signal amplifier
receiving
csi
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CN202110574067.6A
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Chinese (zh)
Inventor
刘进华
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Vivo Mobile Communication Co Ltd
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Vivo Mobile Communication Co Ltd
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Priority to CN202110574067.6A priority Critical patent/CN115396963A/en
Priority to PCT/CN2022/093761 priority patent/WO2022247719A1/en
Publication of CN115396963A publication Critical patent/CN115396963A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0011Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0033Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0055Transmission or use of information for re-establishing the radio link
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/34Reselection control
    • H04W36/38Reselection control by fixed network equipment

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The application discloses a switching method, a switching device and network side equipment, which belong to the technical field of wireless communication, and the switching method of the embodiment of the application comprises the following steps: an original base station sends a switching request to a target base station, wherein the switching request carries context information of a signal amplifier; receiving a switching response sent by a target base station, wherein the switching response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier; and sending a switching command to the signal amplifier, wherein the switching command carries second reconfiguration information determined by the original base station based on the first reconfiguration information.

Description

Switching method, device and network side equipment
Technical Field
The present application belongs to the technical field of wireless communication, and in particular, to a handover method, apparatus and network side device.
Background
In the related communication technology, a signal amplifier is introduced to increase the wireless signal strength, expand the cell coverage, reduce signal interference, and the like. For example, in the wireless communication process, a downlink signal from a base station can be received through a signal amplifier, amplified and forwarded to a terminal, so as to enhance the strength of the downlink signal reaching the terminal; or, the uplink signal from the terminal can be received by the signal amplifier, amplified and forwarded to the base station, so as to enhance the strength of the uplink signal reaching the base station.
However, for a communication scenario requiring a handover of a signal amplifier from an original base station to a target base station, a solution is needed to ensure that the signal amplifier can be smoothly and smoothly handed over from the original base station to the target base station.
Disclosure of Invention
The embodiment of the application provides a switching method, a switching device and network side equipment, which can ensure that a signal amplifier is smoothly and smoothly switched from an original base station to a target base station.
In a first aspect, a handover method is provided, where the method includes: an original base station sends a switching request to a target base station, wherein the switching request carries context information of a signal amplifier; the original base station receives a switching response sent by a target base station, wherein the switching response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier; and the original base station sends a switching command to the signal amplifier, wherein the switching command carries second reconfiguration information determined by the original base station based on the first reconfiguration information.
In a second aspect, a handover method is provided, including: a target base station receives a switching request sent by an original base station, wherein the switching request carries context information of a signal amplifier; and the target base station sends a switching response to the original base station, wherein the switching response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier.
In a third aspect, a handover method is provided, including: a signal amplifier receives a switching command sent by an original base station, wherein the switching command carries second reconfiguration information, the second reconfiguration information is determined by the original base station based on first reconfiguration information sent by a target base station, and the first reconfiguration information is determined by the target base station based on context information of the signal amplifier; and the signal amplifier is switched to the target base station by the original base station based on the second reconfiguration information.
In a fourth aspect, there is provided a switching apparatus comprising: a first sending module, configured to send a handover request to a target base station, where the handover request carries context information of a signal amplifier; a first receiving module, configured to receive a handover response sent by a target base station, where the handover response carries first reconfiguration information that is determined by the target base station based on context information of the signal amplifier;
in a fifth aspect, a switching device is provided, which includes: a second receiving module, configured to receive a handover request sent by an original base station, where the handover request carries context information of a signal amplifier; and a second sending module, configured to send a handover response to the original base station, where the handover response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier.
In a sixth aspect, a switching device is provided, comprising: a third receiving module, configured to receive a handover command sent by an original base station, where the handover command carries second reconfiguration information, the second reconfiguration information is determined by the original base station based on first reconfiguration information sent by a target base station, and the first reconfiguration information is determined by the target base station based on context information of a signal amplifier; and the switching module is used for switching the original base station to the target base station based on the second reconfiguration information.
In a seventh aspect, a network-side device is provided, which includes a processor, a memory, and a program or an instruction stored on the memory and executable on the processor, and when executed by the processor, the program or the instruction implements the steps of the method according to the first aspect, the second aspect, or the third aspect.
In an eighth aspect, a network side device is provided, which includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the method according to the first aspect, or implement the method according to the second aspect, or implement the method according to the third aspect.
In a ninth aspect, there is provided a readable storage medium on which a program or instructions are stored, which program or instructions, when executed by a processor, carry out the steps of the method according to the first aspect, or carry out the steps of the method according to the second aspect, or carry out the steps of the method according to the third aspect.
In a tenth aspect, a chip is provided, the chip comprising a processor and a communication interface, the communication interface being coupled to the processor, the processor being configured to execute a program or instructions to implement the method according to the first aspect, or to implement the method according to the second aspect, or to implement the steps of the method according to the third aspect.
In an eleventh aspect, there is provided a computer program product stored in a non-transitory storage medium, the program/program product being executable by at least one processor to implement a method as described in the first aspect, or to implement a method as described in the second aspect, or to implement steps of a method as described in the third aspect.
In the embodiment of the application, when the signal amplifier needs to be switched from the original base station to the target base station, the original base station can send a switching request carrying context information of the signal amplifier to the target base station, so that the target base station generates reconfiguration information based on the context information of the signal amplifier and feeds the reconfiguration information back to the original base station, and the original base station sends a switching command to the signal amplifier based on the reconfiguration information, so that the signal amplifier is switched from the original base station to the target base station, thereby ensuring that the signal amplifier is smoothly switched from the original base station to the target base station.
Drawings
Fig. 1 is a schematic structural diagram of a wireless communication system according to an exemplary embodiment of the present application.
Fig. 2 is a schematic diagram of a handover scenario provided in an exemplary embodiment of the present application.
Fig. 3 is a flowchart illustrating a handover method according to an exemplary embodiment of the present application.
Fig. 4 is a flowchart illustrating a handover method according to another exemplary embodiment of the present application.
Fig. 5 is an interaction flow diagram of a handover method according to an exemplary embodiment of the present application.
Fig. 6 is a flowchart illustrating a handover method according to another exemplary embodiment of the present application.
Fig. 7 is a flowchart illustrating a handover method according to another exemplary embodiment of the present application.
Fig. 8 is a schematic structural diagram of a switching device according to an exemplary embodiment of the present application.
Fig. 9 is a schematic structural diagram of a switching device according to another exemplary embodiment of the present application.
Fig. 10 is a schematic structural diagram of a switching device according to yet another exemplary embodiment of the present application.
Fig. 11 is a schematic structural diagram of a network-side device according to an exemplary embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived from the embodiments given herein by a person of ordinary skill in the art are intended to be within the scope of the present disclosure.
The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application are capable of operation in other sequences than those illustrated or otherwise described herein, and that the terms "first" and "second" are generally used herein in a generic sense to distinguish one element from another, and not necessarily from another element, such as a first element which may be one or more than one. In addition, "and/or" in the specification and the claims means at least one of connected objects, and a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.
It is noted that the techniques described in the embodiments of the present application are not limited to Long Term Evolution (LTE)/LTE Evolution (LTE-Advanced) systems, but may also be used in other wireless communication systems, such as Code Division Multiple Access (CDMA), time Division Multiple Access (TDMA), frequency Division Multiple Access (FDMA), orthogonal Frequency Division Multiple Access (OFDMA), single-carrier Frequency-Division Multiple Access (SC-FDMA), and other systems. The terms "system" and "network" in the embodiments of the present application are often used interchangeably, and the described techniques can be used for both the above-mentioned systems and radio technologies, as well as for other systems and radio technologies. The following description describes a New Radio (NR) system for exemplary purposes and NR terminology is used in much of the description below, but the techniques may also be applied to applications other than NR system applications, such as 6th generation (6 g) communication systems.
Fig. 1 is a schematic diagram illustrating a structure of a wireless communication system to which an embodiment of the present application is applicable. The wireless communication system includes a terminal 11, a signal amplifier, and a network-side device 12. Wherein, the terminal 11 may also be called a terminal Device or a User Equipment (UE), the terminal 11 may be a Mobile phone, a Tablet Personal Computer (Tablet Personal Computer), a Laptop Computer (Laptop Computer) or a notebook Computer, a Personal Digital Assistant (PDA), a palmtop Computer, a netbook, a super-Mobile Personal Computer (UMPC), a Mobile Internet Device (MID), a Wearable Device (Wearable Device) or a vehicle-mounted Device (VUE), a pedestrian terminal (PUE), and other terminal side devices, the Wearable Device includes: smart watches, bracelets, earphones, glasses, and the like. It should be noted that the embodiment of the present application does not limit the specific type of the terminal 11.
The network-side device 12 may be a Base Station or a core network, where the Base Station may be referred to as a node B, an evolved node B, an access Point, a Base Transceiver Station (BTS), a radio Base Station, a radio Transceiver, a Basic Service Set (BSS), an Extended Service Set (ESS), a node B, an evolved node B (eNB), a home node B, a WLAN access Point, a WiFi node, a Transmit Receiving Point (TRP), or some other suitable terminology in the field, as long as the same technical effect is achieved, the Base Station is not limited to a specific technical vocabulary, and it should be noted that, in the embodiment of the present application, only the Base Station in the NR system is taken as an example, but a specific type of the Base Station is not limited.
The signal amplifier may include a terminal Module (MT) and a Radio Unit (RU), where the MT is configured to establish a connection with a base station (e.g., an original base station or a target base station), that is, the base station performs information interaction with the signal amplifier through the MT, for example, configuring transmission parameters of the signal amplifier, including on/off of the signal amplifier, a transmission beam on the signal amplifier, and the like. The RU is used for signal establishment connection with the UE so as to perform signal interaction. In other words, the signal amplifier can be understood as a network node, which is located between the UE and the base station and amplifies uplink and downlink signals.
With reference to fig. 2, for the wireless communication system shown in fig. 1, in order to ensure that the signal amplifier can be smoothly and smoothly switched from the original base station to the target base station, the present application provides a switching method, a switching apparatus, and a network side device, and the following further refers to the accompanying drawings to describe in detail the technical solutions provided by the embodiments of the present application through some embodiments and application scenarios thereof. It should be understood that, according to different communication scenarios, in the technical solution provided in the present application, the original base station and the target base station involved in the handover process may have roles exchanged, for example, the original base station may serve as the target base station, and the target base station may also serve as the original base station, and the like, which is not limited herein.
As shown in fig. 3, a flow chart of a handover method 300 according to an exemplary embodiment of the present application is provided, where the handover method 300 may be, but is not limited to, executed by an original base station, and specifically may be executed by hardware and/or software installed in the original base station. In this embodiment, the method 300 may include at least the following steps.
S310, the original base station sends a switching request to the target base station.
The handover request carries context information of the signal amplifier to inform the target base station of RU capability parameters, current configuration parameters and the like of the signal amplifier, so that the target base station can determine reconfiguration information for handover of the signal amplifier based on the context information of the signal amplifier.
In this embodiment, the context information of the signal amplifier may be various, for example, in the case that the signal amplifier includes the MT and the RU shown in fig. 2 or fig. 1, the context information of the signal amplifier may include the context information of the MT and/or the context information of the RU. Accordingly, in the process of switching the signal amplifier from the original base station to the target base station, the MT and the RU also need to be simultaneously switched from the original base station to the target base station. For example, in the RU example, it is necessary to switch from forwarding a downlink signal transmitted by an original base station and an uplink signal forwarded to the original base station to forwarding a downlink signal transmitted by a target base station and an uplink signal forwarded to the target base station.
In one implementation, the handover request may be triggered by the original base station based on a measurement report or the like sent by a signal amplifier. In addition, the handover request may carry context information of the terminal in addition to the context information of the signal amplifier, so as to simultaneously send a handover request to the target base station for the signal amplifier and the terminal.
And S320, the original base station receives the switching response sent by the target base station.
The handover response carries first reconfiguration information, such as RU working parameter configuration information, MT working parameter configuration information, and the like, determined by the target base station based on the context information of the signal amplifier.
In one implementation manner, after receiving a handover request sent by an original base station, the target base station may determine whether to grant the access of the signal amplifier, and in a case that the access of the signal amplifier is granted, the target base station further determines, according to context information of the signal amplifier carried in the handover request and in combination with configuration parameters of the target base station, first reconfiguration information corresponding to the context information of the signal amplifier, and sends the first reconfiguration information to the original base station through a handover response.
And S330, the original base station sends a switching command to the signal amplifier.
And the switching command carries second reconfiguration information determined by the original base station based on the first reconfiguration information. In this embodiment, the second reconfiguration information may be the same as the first reconfiguration information, and may also include at least part of the first reconfiguration information, which is not limited herein.
In one implementation, the signal amplifier may switch from the original base station to the target base station according to the second reconfiguration information after receiving the handover command.
In this embodiment, when the signal amplifier needs to be switched from the original base station to the target base station, the original base station may send a switching request carrying context information of the signal amplifier to the target base station, so that reconfiguration information generated by the target base station based on the context information of the signal amplifier is fed back to the original base station, and the original base station sends a switching command to the signal amplifier based on the reconfiguration information, so that the signal amplifier is switched from the original base station to the target base station.
As shown in fig. 4, a flowchart of a handover method 400 provided in an exemplary embodiment of the present application is shown, where the handover method 400 may be, but is not limited to, executed by an original base station, and specifically may be executed by hardware and/or software installed in the original base station. In this embodiment, the method 400 may include at least the following steps.
S410, the original base station sends a switching request to the target base station.
Wherein the switching request carries context information of the signal amplifier.
It is to be understood that, in addition to the implementation procedure described in the method embodiment 300, as a possible implementation manner, in the case that the context information of the signal amplifier includes context information of the MT and/or context information of the RU, the context information of the MT may further include a physical channel configuration for receiving RU control information from a network-side device (e.g., a core network, a base station, etc.), and/or a processing delay parameter of the RU control information by the MT.
Wherein the physical channel configuration may include at least one of the following (1) - (4).
(1) Time frequency resource allocation corresponding to the physical channel; the time-frequency resource may include beam configuration information, bandwidth Part (BWP) configuration information, and the like.
(2) Configuring power control parameters corresponding to the physical channels; wherein the power control parameter includes a transmission power, a transmission power spectral density, a reception power, and the like.
(3) And configuring modulation/demodulation reference signals corresponding to the physical channels.
Care needs to be taken. The Physical channels in (1) to (3) may include a Physical Downlink Control Channel (PDCCH), a Physical Uplink Shared Channel (PUSCH), a Physical Uplink Control Channel (PUCCH), and the like.
(4) And configuring the format of the physical channel. For example, a Format (Format) of Downlink Control Information (DCI), a Medium Access Control-Control Element (MAC CE) Format, and the like.
Further, in one implementation, the RU control information may include at least one of the following first to sixth control information.
First control information for controlling a receive/transmit beam on the RU.
Second control information for controlling the RU to be turned on and/or off.
Third control information for activating and/or deactivating the RU.
Fourth control information for activating and/or deactivating a time-domain operating mode of the RU.
Fifth control information for activating and/or deactivating a frequency domain operation mode of the RU.
Sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
In another implementation, the context information of the RU may include at least one of the following (1) - (20).
(1) The RU model information.
The model information may include manufacturer information, device number information, and the like.
(2) Capability information of a beam of the RU.
Wherein the capability information of the beam may include: the signal amplifier has at most the number of beams transmitted simultaneously, at most the number of beams received simultaneously, and the like.
(3) And the RU is used for carrying out beam configuration information when communicating with the original base station.
The beam configuration Information may include Synchronization Signal and PBCH block (SSB), transmission beam configuration parameters of a Channel State Information-Reference Signal (CSI-RS), physical Random Access Channel (PRACH) reception and forwarding beam configuration Information, and the like.
(4) And the forwarding delay information of the RU.
The forwarding delay information refers to a delay of transmitting a signal received by the signal amplifier from a terminal or a base station after the signal is amplified.
(5) Capability information related to transmission power of the RU.
Wherein the capability information related to the transmission power of the RU may include: maximum/minimum transmission power, highest/lowest transmission EPRE, minimum/maximum amplification factor, information of whether to support dynamic adjustment/control of uplink and downlink power, and adjustment step length information of transmission power;
(6) The power parameter to which the RU is configured.
The power parameters configured for the RU may include uplink and downlink (maximum, minimum, fixed, etc.) transmission power (or amplification factor or Energy Per Resource Element (EPRE)), including power configuration parameters of SSB, CSI-RS, PDSCH, PDCCH, and power configuration parameters of PRACH, PUCCH, PUSCH, sounding Reference Signal (SRS).
(7) The RU configured uplink/downlink power control parameters.
The uplink/downlink power control parameters may include a power adjustment step size, and the like.
(8) And when the signal amplifier is communicated with a terminal, the RU is configured with the power control parameter information of the receiving/transmitting beam.
The uplink/downlink power control parameters may include a power adjustment step size and the like.
(9) And the RU expects time delay information when the receiving/transmitting state is switched.
(10) The RU expects guard interval (guard period) information at the time of the transmission/reception state switching.
(11) And the time delay information when the current configured receiving/transmitting state of the RU is switched.
(12) Guard interval information when the current configured receiving/transmitting state of the RU is switched.
(13) A mode of operation in a time domain supported by the RU.
Wherein the operation mode may include: time domain discontinuous operating mode, frequency domain operating bandwidth, etc.
(14) The frequency domain mode of operation supported by the RU.
Wherein the operation mode may include: time domain discontinuous operating mode, frequency domain operating bandwidth, etc.
(15) The current configured uplink/downlink time unit information of the RU.
(16) Uplink/downlink time unit information supported by the RU.
Wherein the time units described in (15) and (16) may be slots, subframes, symbols, and the like.
(17) A time-domain mode of operation in which the RU is currently configured or activated.
Wherein the operation mode may include: time domain discontinuous operating mode, frequency domain operating bandwidth, etc.
(18) The frequency domain mode of operation for which the RU is currently configured or activated.
Wherein the operation mode may include: time domain discontinuous operating mode, frequency domain operating bandwidth, etc.
(19) The SSB of the RU forwards parameters such as sequence, beam, power, etc. of the SSB.
(20) And the CSI-RS forwarding parameters of the RU, such as the sequence, beam, power and the like of the CSI-RS.
Further, as a possible implementation manner, the handover request may carry at least one of the following (1) - (3) in addition to the aforementioned context information of the MT/RU.
(1) Type indication information of the RU; the type indication information is used for indicating whether the signal amplifier is a fixed signal amplifier or a mobile signal amplifier, or indicating whether the signal amplifier is high-power or low-power, and the like.
(2) Mobility information for the RU. In the case that the signal amplifier is a mobile signal amplifier, the handover request may carry the mobile information, such as speed information and/or direction information of the signal amplifier.
(3) User attribute indication information of the RU. The user attribute indication information is used to indicate whether the signal amplifier is user private or operator deployment, so that the target base station may adopt a corresponding configuration policy, for example, for a private signal amplifier, the target base station may configure a smaller RU transmission power, power spectral density, amplification factor, and the like, so as to control interference.
And S420, the original base station receives the switching response sent by the target base station.
And the handover response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier.
It is understood that, in addition to the related description in reference to the method embodiment 300, as a possible implementation manner, the handover response also carries at least one of the following (1) - (2).
(1) Information of the SSB transmitted by the RU.
The SSB information includes time-frequency resource configuration information of a Primary Synchronization Signal (PSS), a Secondary Synchronization Signal (SSS), and a Physical Broadcast Channel (PBCH).
In addition, the SSB information may be information of an SSB transmitted by the terminal and forwarded by the signal amplifier, or may be information of an SSB that is determined by the signal amplifier itself and needs to be transmitted, which is not limited herein.
In one implementation, in a case that the SSB sent by the RU is a forwarded SSB and a detected SSB from a terminal device, the SSB information belongs to a set of SSBs corresponding to a target cell.
(2) And the RU needs to send the information of the time-frequency resource and/or the sequence (sequence) of the CSI-RS.
Similar to the information of the SSB, the information of the CSI-RS time-frequency resource and/or the CSI-RS sequence may be the information of the SSB transmitted by the terminal forwarded by the signal amplifier, or the information of the SSB determined by the signal amplifier and required to be transmitted, which is not limited herein.
In one implementation, in a case that the CSI-RS sent by the RU is a CSI-RS forwarded by the RU and detected by a terminal device, the CSI-RS belongs to a CSI-RS set corresponding to a target cell.
It is understood that the target cell described in (1) and (2) above refers to a new cell where the target base station is located.
And S430, the original base station sends a switching command to the signal amplifier.
And the switching command carries second reconfiguration information determined by the original base station based on the first reconfiguration information.
It is understood that the implementation process of S410 may include the following one or two ways after the signal amplifier receives the handover command, as a possible implementation manner, in addition to the related description in reference to the method embodiment 300.
The first method is as follows: the signal amplifier establishes a connection with the target base station through the MT (e.g., successfully receives the Msg 4), and activates the RU to operate according to RU reconfiguration information included in the second reconfiguration information.
The second method comprises the following steps: and the signal amplifier configures and activates the RU to work according to the RU reconfiguration information included in the second reconfiguration information.
Based on the foregoing description of method embodiments 300 and/or 400, the switching process of the signal amplifier will be further described with reference to fig. 5.
S510, the original base station sends a switching request to the target base station.
S520, the target base station determines the first reconfiguration information according to the context information of the signal amplifier carried in the switching request.
S530, the target base station feeds back the switching response carrying the first reconfiguration information to the original base station.
And S540, the original base station determines a switching command carrying second reconfiguration information based on the first reconfiguration information.
And S550, the original base station sends a switching command to the signal amplifier.
And S560, the signal amplifier switches from the original base station to the target base station according to the switching command.
It should be noted that, depending on the communication scenario, the process of switching the signal amplifier from the original base station to the target base station may include, but is not limited to, the foregoing S410-S460, and for example, may include more or less steps than the foregoing S410-S460, which is not limited herein. In addition, as for the implementation process of S410-S460, reference may be made to the description in the foregoing method embodiments 300 and/or 400, and details are not repeated here.
As shown in fig. 6, a flowchart of a handover method 600 provided in an exemplary embodiment of the present application is shown, where the handover method 600 may be, but is not limited to be, executed by a target base station, and specifically may be executed by hardware and/or software installed in an original base station. In this embodiment, the method 600 may include at least the following steps.
S610, the target base station receives the switching request sent by the original base station.
Wherein, the switching request carries context information of the signal amplifier;
and S620, the target base station sends a switching response to the original base station.
Wherein the handover response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier.
In a possible implementation, the context information of the signal amplifier includes context information of the MT and/or context information of the radio frequency unit RU.
In another possible implementation manner, the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
In another possible implementation manner, the RU control information includes at least one of: first control information for controlling a transmit/receive beam on the RU; second control information for controlling the opening and/or closing of the RU; third control information for activating and/or deactivating the RU; fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU; fifth control information for activating and/or deactivating a frequency domain operation mode of the RU; sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
In another possible implementation, the physical channel configuration includes at least one of: a format configuration of the physical channel; time frequency resource allocation corresponding to the physical channel; configuring power control parameters corresponding to the physical channels; and the modulation/demodulation reference signal configuration corresponding to the physical channel.
In another possible implementation, the context information of the RU includes at least one of: the model information of the RU; capability information of a beam of the RU; SSB forwarding parameters of the RU; a CSI-RS forwarding parameter of the RU; beam configuration information when the RU communicates with the original base station; forwarding delay information of the RU; capability information related to transmission power of the RU; a power parameter at which the RU is configured; the configured uplink/downlink power control parameters of the RU; when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU; time delay information when the RU expects to switch the receiving/transmitting state; the RU expects guard interval information when receiving/transmitting state is switched; the time delay information when the current configured receiving/sending state of the RU is switched; the current configured protection interval information of the RU when the receiving/sending state is switched; a mode of operation in a time domain supported by the RU; an operating mode of a frequency domain supported by the RU; the current configured uplink/downlink time unit information of the RU; uplink/downlink time unit information supported by the RU; a time-domain mode of operation in which the RU is currently configured or activated; the frequency domain mode of operation in which the RU is currently configured or activated.
In another possible implementation manner, the handover request further carries at least one of the following: type indication information of the RU; mobility information of the RU; user attribute indication information of the RU.
In another possible implementation manner, the handover response further carries at least one of the following: information of SSB sent by the RU; and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
In another possible implementation manner, in a case that the SSB sent by the RU is forwarded and comes from an SSB detected by a terminal device, the SSB information belongs to an SSB set corresponding to a target cell; and if the CSI-RS transmitted by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to the CSI-RS set corresponding to the target cell.
It should be noted that the implementation process of the method embodiment 600 may refer to the related descriptions in the foregoing method embodiments 300-500, and is not repeated herein to avoid repetition.
In this embodiment, when the signal amplifier needs to be switched from the original base station to the target base station, the original base station may send a switching request carrying context information of the signal amplifier to the target base station, so that the target base station feeds back reconfiguration information generated based on the context information of the signal amplifier to the original base station, and the original base station sends a switching command to the signal amplifier based on the reconfiguration information, so that the signal amplifier is switched from the original base station to the target base station, thereby ensuring smooth and smooth switching of the signal amplifier from the original base station to the target base station.
As shown in fig. 7, a flow chart of a switching method 700 provided for an exemplary embodiment of the present application, the method 700 may be, but is not limited to, performed by a signal amplifier, and specifically may be performed by hardware and/or software installed in the signal amplifier. In this embodiment, the method 700 may include at least the following steps.
And S710, the signal amplifier receives a switching command sent by the original base station.
The handover command carries second reconfiguration information, the second reconfiguration information is determined by the original base station based on first reconfiguration information sent by a target base station, and the first reconfiguration information is determined by the target base station based on context information of a signal amplifier;
and S720, the signal amplifier is switched to the target base station from the original base station based on the second reconfiguration information.
In a possible implementation, the context information of the signal amplifier includes context information of the MT and/or context information of the radio unit RU.
In another possible implementation manner, the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
In another possible implementation manner, the RU control information includes at least one of: first control information for controlling a transmit/receive beam on the RU; second control information for controlling the RU to be turned on and/or turned off; third control information for activating and/or deactivating the RU; fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU; fifth control information for activating and/or deactivating a frequency domain operation mode of the RU; sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
In another possible implementation, the physical channel configuration includes at least one of: a format configuration of the physical channel; time frequency resource allocation corresponding to the physical channel; configuring power control parameters corresponding to the physical channels; and the modulation/demodulation reference signal configuration corresponding to the physical channel.
In another possible implementation, the context information of the RU includes at least one of: the model information of the RU; capability information of a beam of the RU; SSB forwarding parameters of the RU; a CSI-RS forwarding parameter of the RU; the wave beam configuration information when the RU communicates with the original base station; forwarding delay information of the RU; capability information related to transmission power of the RU; a power parameter to which the RU is configured; the configured uplink/downlink power control parameters of the RU; when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU; time delay information when the RU expects to switch the receiving/transmitting state; the RU expects guard interval information when receiving/transmitting state is switched; the time delay information when the current configured receiving/sending state of the RU is switched; guard interval information when the current configured receiving/transmitting state of the RU is switched; a mode of operation in a time domain supported by the RU; an operating mode of a frequency domain supported by the RU; the current configured uplink/downlink time unit information of the RU; uplink/downlink time unit information supported by the RU; a time-domain mode of operation in which the RU is currently configured or activated; the frequency domain mode of operation for which the RU is currently configured or activated.
In another possible implementation manner, the step of switching, by the signal amplifier, to the target base station from the original base station based on the second reconfiguration information includes any one of: the signal amplifier establishes a connection with the target base station through the MT, and activates the RU according to RU reconfiguration information included in the second reconfiguration information; the signal amplifier configures and activates the RU according to RU reconfiguration information included in the second reconfiguration information.
It should be noted that the implementation process of the method embodiment 600 may refer to the related descriptions in the foregoing method embodiments 300-500, and is not repeated herein to avoid repetition.
In this embodiment, when the signal amplifier needs to be switched from the original base station to the target base station, the original base station may send a switching request carrying context information of the signal amplifier to the target base station, so that the target base station feeds back reconfiguration information generated based on the context information of the signal amplifier to the original base station, and the original base station sends a switching command to the signal amplifier based on the reconfiguration information, so that the signal amplifier is switched from the original base station to the target base station, thereby ensuring smooth and smooth switching of the signal amplifier from the original base station to the target base station.
It should be noted that, in the switching method 300-700 provided in the embodiment of the present application, the execution subject may be a switching device, or a control module in the switching device for executing the switching method 300-700. In the embodiment of the present application, the switching device performs the switching method 300-700 as an example, and the switching device provided in the embodiment of the present application is described.
As shown in fig. 8, a schematic structural diagram of a switching device 800 according to an exemplary embodiment of the present application is provided, where the switching device 800 includes: a first sending module 810, configured to send a handover request to a target base station, where the handover request carries context information of a signal amplifier; a first receiving module 820, configured to receive a handover response sent by a target base station, where the handover response carries first reconfiguration information that is determined by the target base station based on context information of the signal amplifier; the first sending module 810 is further configured to send a handover command to the signal amplifier, where the handover command carries second reconfiguration information that is determined by the original base station based on the first reconfiguration information.
In a possible implementation, the context information of the signal amplifier comprises context information of the terminal module MT and/or context information of the radio frequency unit RU.
In another possible implementation manner, the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
In another possible implementation manner, the RU control information includes at least one of: first control information for controlling a transmission/reception beam on the RU; second control information for controlling the opening and/or closing of the RU; third control information for activating and/or deactivating the RU; fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU; fifth control information for activating and/or deactivating a frequency domain operation mode of the RU; sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
In another possible implementation manner, the physical channel configuration includes at least one of: format configuration of the physical channel; time frequency resource allocation corresponding to the physical channel; configuring power control parameters corresponding to the physical channels; and the modulation/demodulation reference signal configuration corresponding to the physical channel.
In another possible implementation, the context information of the RU includes at least one of: the model information of the RU; capability information of a beam of the RU; SSB forwarding parameters of the RU; a CSI-RS forwarding parameter of the RU; beam configuration information when the RU communicates with the original base station; forwarding delay information of the RU; capability information related to transmission power of the RU; a power parameter at which the RU is configured; the configured uplink/downlink power control parameters of the RU; when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU; time delay information when the RU expects to switch the receiving/transmitting state; guard interval information when the RU expects to switch the receiving/transmitting state; the time delay information when the current configured receiving/sending state of the RU is switched; guard interval information when the current configured receiving/transmitting state of the RU is switched; a mode of operation in a time domain supported by the RU; an operating mode of a frequency domain supported by the RU; the current configured uplink/downlink time unit information of the RU; uplink/downlink time unit information supported by the RU; a time-domain mode of operation in which the RU is currently configured or activated; the frequency domain mode of operation in which the RU is currently configured or activated.
In another possible implementation manner, the handover request further carries at least one of the following: type indication information of the RU; mobility information of the RU; user attribute indication information of the RU.
In another possible implementation manner, the handover response further carries at least one of the following: information of SSB sent by the RU; and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
In another possible implementation manner, in a case that the SSB sent by the RU is a forwarded SSB and is a detected SSB from a terminal device, the SSB information belongs to an SSB set corresponding to a target cell; and if the CSI-RS sent by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to a CSI-RS set corresponding to the target cell.
As shown in fig. 9, a schematic structural diagram of a switching device 900 according to an exemplary embodiment of the present application is provided, where the switching device 900 includes: a second receiving module 910, configured to receive a handover request sent by an original base station, where the handover request carries context information of a signal amplifier; a second sending module 920, configured to send a handover response to the original base station, where the handover response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier.
In one possible implementation, the context information of the signal amplifier includes context information of the MT and/or context information of the RU.
In another possible implementation manner, the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
In another possible implementation manner, the RU control information includes at least one of: first control information for controlling a transmission/reception beam on the RU; second control information for controlling the opening and/or closing of the RU; third control information for activating and/or deactivating the RU; fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU; fifth control information for activating and/or deactivating a frequency domain operation mode of the RU; sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
In another possible implementation, the physical channel configuration includes at least one of: format configuration of the physical channel; time frequency resource allocation corresponding to the physical channel; configuring power control parameters corresponding to the physical channels; and configuring modulation/demodulation reference signals corresponding to the physical channels.
In another possible implementation, the context information of the RU includes at least one of: the model information of the RU; capability information of a beam of the RU; SSB forwarding parameters of the RU; CSI-RS forwarding parameters of the RU; beam configuration information when the RU communicates with the original base station; forwarding delay information of the RU; capability information related to transmission power of the RU; a power parameter at which the RU is configured; the configured uplink/downlink power control parameters of the RU; when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU; time delay information when the RU expects to switch the receiving/transmitting state; guard interval information when the RU expects to switch the receiving/transmitting state; the time delay information when the current configured receiving/sending state of the RU is switched; guard interval information when the current configured receiving/transmitting state of the RU is switched; a mode of operation in a time domain supported by the RU; an operating mode of a frequency domain supported by the RU; the current configured uplink/downlink time unit information of the RU; uplink/downlink time unit information supported by the RU; a time-domain mode of operation in which the RU is currently configured or activated; the frequency domain mode of operation in which the RU is currently configured or activated.
In another possible implementation manner, the handover request further carries at least one of the following: type indication information of the RU; mobility information of the RU; user attribute indication information of the RU.
In another possible implementation manner, the handover response further carries at least one of the following: information of SSB sent by the RU; and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
In another possible implementation manner, in a case that the SSB sent by the RU is forwarded and comes from an SSB detected by a terminal device, the SSB information belongs to an SSB set corresponding to a target cell; and if the CSI-RS sent by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to a CSI-RS set corresponding to the target cell.
As shown in fig. 10, a schematic structural diagram of a switching device 1000 according to an exemplary embodiment of the present application is provided, where the switching device 1000 includes: a third receiving module 1010, configured to receive a handover command sent by an original base station, where the handover command carries second reconfiguration information, the second reconfiguration information is determined by the original base station based on first reconfiguration information sent by a target base station, and the first reconfiguration information is determined by the target base station based on context information of a signal amplifier; a switching module 1020, configured to switch, based on the second reconfiguration information, from the original base station to the target base station.
In a possible implementation, the context information of the signal amplifier includes context information of the MT and/or context information of the radio unit RU.
In another possible implementation manner, the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
In another possible implementation manner, the RU control information includes at least one of: first control information for controlling a transmission/reception beam on the RU; second control information for controlling the RU to be turned on and/or turned off; third control information for activating and/or deactivating the RU; fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU; fifth control information for activating and/or deactivating a frequency domain operation mode of the RU; sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
In another possible implementation, the physical channel configuration includes at least one of: a format configuration of the physical channel; time frequency resource configuration corresponding to the physical channel; configuring power control parameters corresponding to the physical channels; and configuring modulation/demodulation reference signals corresponding to the physical channels.
In another possible implementation, the context information of the RU includes at least one of: the model information of the RU; capability information of a beam of the RU; SSB forwarding parameters of the RU; CSI-RS forwarding parameters of the RU; beam configuration information when the RU communicates with the original base station; forwarding delay information of the RU; capability information related to transmission power of the RU; a power parameter to which the RU is configured; the configured uplink/downlink power control parameters of the RU; when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting wave beam of the RU; time delay information when the RU expects to switch the receiving/transmitting state; guard interval information when the RU expects to switch the receiving/transmitting state; the time delay information when the current configured receiving/sending state of the RU is switched; guard interval information when the current configured receiving/transmitting state of the RU is switched; a mode of operation in a time domain supported by the RU; an operating mode of a frequency domain supported by the RU; the current configured uplink/downlink time unit information of the RU; uplink/downlink time unit information supported by the RU; a time domain mode of operation for which the RU is currently configured or activated; the frequency domain mode of operation in which the RU is currently configured or activated.
In another possible implementation manner, the switching module is configured to: establishing connection with the target base station through the MT, and activating the RU according to the RU reconfiguration information included in the second reconfiguration information; and configuring and activating the RU according to the RU reconfiguration information included in the second reconfiguration information.
The switching devices 800-1000 in the embodiments of the present application may be devices, devices or electronic devices having an operating system, or may be components, integrated circuits, or chips in a terminal. The device or the electronic equipment can be a mobile terminal or a non-mobile terminal. For example, the mobile terminal may include, but is not limited to, the type of the terminal 11 listed above, and the non-mobile terminal may be a server, a Network Attached Storage (NAS), a Personal Computer (PC), a television (television), a teller machine (teller machine), a self-service machine (kiosk), or the like, and the embodiments of the present application are not limited in particular.
The switching devices 800 to 1000 provided in this embodiment of the application can implement each process implemented by the method embodiments of fig. 3 to fig. 7, and achieve the same technical effect, and are not described herein again to avoid repetition.
An embodiment of the present application further provides a network-side device, which includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or an instruction to implement the methods described in method embodiments 300 to 700. The embodiment of the network side device corresponds to the embodiment of the method of the network side device, and all implementation processes and implementation manners of the embodiment of the method can be applied to the embodiment of the network side device and can achieve the same technical effect.
Specifically, the embodiment of the application further provides a network side device. As shown in fig. 11, the network device 1100 includes: antenna 1101, radio frequency device 1102, baseband device 1103. An antenna 1101 is connected to the radio frequency device 1102. In the uplink direction, the rf device 1102 receives information via the antenna 1101, and sends the received information to the baseband device 1103 for processing. In the downlink direction, the baseband device 1103 processes information to be transmitted and transmits the processed information to the rf device 112, and the rf device 112 processes the received information and transmits the processed information through the antenna 111.
The above-mentioned band processing means may be located in the baseband apparatus 1103, and the method performed by the network side device in the above embodiment may be implemented in the baseband apparatus 1103, where the baseband apparatus 1103 includes a processor 1104 and a memory 1105.
The baseband apparatus 1103 may include at least one baseband board, for example, a plurality of chips disposed on the baseband board, as shown in fig. 11, where one of the chips, for example, the processor 1104, is connected to the memory 1105 to call up a program in the memory 1105 to execute the network device operations shown in the above method embodiments.
The baseband apparatus 1103 may further include a network interface 1106, such as a Common Public Radio Interface (CPRI), for exchanging information with the rf apparatus 1102.
Specifically, the network side device of the embodiment of the present invention further includes: the instructions or programs stored in the memory 1105 and capable of being executed on the processor 1104, the processor 1104 invokes the instructions or programs in the memory 1105 to execute the methods executed by the modules shown in fig. 8, 9, or 10, and achieve the same technical effects, which are not described herein in detail in order to avoid repetition.
The embodiment of the present application further provides a readable storage medium, where a program or an instruction is stored on the readable storage medium, and when the program or the instruction is executed by a processor, the program or the instruction implements each process of the foregoing switching method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here.
Wherein, the processor is the processor in the terminal described in the above embodiment. The readable storage medium includes a computer readable storage medium, such as a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and so on.
The embodiment of the present application further provides a chip, where the chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a network-side device program or an instruction, to implement each process of the foregoing switching method embodiment, and can achieve the same technical effect, and in order to avoid repetition, the details are not repeated here.
It should be understood that the chips mentioned in the embodiments of the present application may also be referred to as a system-on-chip, a system-on-chip or a system-on-chip, etc.
The embodiment of the present application further provides a computer program product, where the computer program product includes a processor, a memory, and a program or an instruction stored in the memory and capable of running on the processor, and when the program or the instruction is executed by the processor, the processes of the foregoing switching method embodiment are implemented, and the same technical effect can be achieved, and details are not repeated here to avoid repetition.
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 one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element. Further, it should be noted that the scope of the methods and apparatuses in the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions recited, e.g., the described methods may be performed in an order different from that described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present application or portions thereof that contribute to the prior art may be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the method according to the embodiments of the present application.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present embodiments are not limited to those precise embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope of the appended claims.

Claims (52)

1. A method of handover, comprising:
an original base station sends a switching request to a target base station, wherein the switching request carries context information of a signal amplifier;
the original base station receives a switching response sent by a target base station, wherein the switching response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier;
and the original base station sends a switching command to the signal amplifier, wherein the switching command carries second reconfiguration information determined by the original base station based on the first reconfiguration information.
2. The method according to claim 1, wherein the context information of the signal amplifier comprises context information of a terminal module MT and/or context information of a radio frequency unit RU.
3. The method according to claim 2, wherein the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
4. The method of claim 3, wherein the RU control information comprises at least one of:
first control information for controlling a transmit/receive beam on the RU;
second control information for controlling the opening and/or closing of the RU;
third control information for activating and/or deactivating the RU;
fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU;
fifth control information for activating and/or deactivating a frequency domain operation mode of the RU;
sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
5. The method of claim 3, wherein the physical channel configuration comprises at least one of:
format configuration of the physical channel;
time frequency resource allocation corresponding to the physical channel;
configuring power control parameters corresponding to the physical channels;
and the modulation/demodulation reference signal configuration corresponding to the physical channel.
6. The method of claim 2, wherein the context information for the RU comprises at least one of:
the model information of the RU;
capability information of a beam of the RU;
SSB forwarding parameters of the RU;
a CSI-RS forwarding parameter of the RU;
the wave beam configuration information when the RU communicates with the original base station;
forwarding delay information of the RU;
capability information related to transmission power of the RU;
a power parameter to which the RU is configured;
the configured uplink/downlink power control parameters of the RU;
when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU;
time delay information when the RU expects to switch the receiving/transmitting state;
guard interval information when the RU expects to switch the receiving/transmitting state;
the time delay information when the current configured receiving/sending state of the RU is switched;
guard interval information when the current configured receiving/transmitting state of the RU is switched;
a mode of operation in a time domain supported by the RU;
an operating mode of a frequency domain supported by the RU;
the current configured uplink/downlink time unit information of the RU;
uplink/downlink time unit information supported by the RU;
a time-domain mode of operation in which the RU is currently configured or activated;
the frequency domain mode of operation in which the RU is currently configured or activated.
7. The method of claim 2, wherein the handover request further carries at least one of:
type indication information of the RU;
mobility information of the RU;
user attribute indication information of the RU.
8. The method of claim 2, wherein the handover response further carries at least one of:
information of SSB sent by the RU;
and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
9. The method of claim 8, wherein in case the SSB sent by the RU is forwarded and the detected SSB from a terminal device, the SSB information belongs to a set of SSBs corresponding to a target cell;
and if the CSI-RS sent by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to a CSI-RS set corresponding to the target cell.
10. A method of handover, comprising:
a target base station receives a switching request sent by an original base station, wherein the switching request carries context information of a signal amplifier;
and the target base station sends a switching response to the original base station, wherein the switching response carries first reconfiguration information determined by the target base station based on the context information of the signal amplifier.
11. The method according to claim 10, wherein the context information of the signal amplifier comprises context information of the MT and/or context information of the radio frequency unit RU.
12. The method according to claim 11, wherein the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
13. The method of claim 12, wherein the RU control information comprises at least one of:
first control information for controlling a transmit/receive beam on the RU;
second control information for controlling the opening and/or closing of the RU;
third control information for activating and/or deactivating the RU;
fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU;
fifth control information for activating and/or deactivating a frequency domain operation mode of the RU;
sixth control information for controlling at least one of a transmission power, a transmission power spectral density, and an amplification factor of the RU.
14. The method of claim 12, wherein the physical channel configuration comprises at least one of:
a format configuration of the physical channel;
time frequency resource allocation corresponding to the physical channel;
configuring power control parameters corresponding to the physical channels;
and configuring modulation/demodulation reference signals corresponding to the physical channels.
15. The method of claim 11, wherein the context information for the RU includes at least one of:
the model information of the RU;
capability information of a beam of the RU;
SSB forwarding parameters of the RU;
a CSI-RS forwarding parameter of the RU;
the wave beam configuration information when the RU communicates with the original base station;
forwarding delay information of the RU;
capability information related to transmission power of the RU;
a power parameter at which the RU is configured;
the configured uplink/downlink power control parameters of the RU;
when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting wave beam of the RU;
time delay information when the RU expects to switch the receiving/transmitting state;
guard interval information when the RU expects to switch the receiving/transmitting state;
the time delay information when the current configured receiving/sending state of the RU is switched;
the current configured protection interval information of the RU when the receiving/sending state is switched;
a mode of operation in a time domain supported by the RU;
an operating mode of a frequency domain supported by the RU;
the current configured uplink/downlink time unit information of the RU;
uplink/downlink time unit information supported by the RU;
a time domain mode of operation for which the RU is currently configured or activated;
the frequency domain mode of operation for which the RU is currently configured or activated.
16. The method of claim 11, wherein the handover request further carries at least one of:
type indication information of the RU;
mobility information of the RU;
user attribute indication information for the RU.
17. The method of claim 11, wherein the handover response further carries at least one of:
information of SSB sent by the RU;
and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
18. The method of claim 17, wherein in case that the SSB sent by the RU is forwarded and is from an SSB detected by a terminal device, the SSB information belongs to a set of SSBs corresponding to a target cell;
and if the CSI-RS sent by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to a CSI-RS set corresponding to the target cell.
19. A method of handover, comprising:
a signal amplifier receives a switching command sent by an original base station, wherein the switching command carries second reconfiguration information, the second reconfiguration information is determined by the original base station based on first reconfiguration information sent by a target base station, and the first reconfiguration information is determined by the target base station based on context information of the signal amplifier;
and the signal amplifier is switched to the target base station by the original base station based on the second reconfiguration information.
20. The method according to claim 19, wherein the context information of the signal amplifier comprises context information of the MT and/or context information of the radio frequency unit RU.
21. The method according to claim 20, wherein the MT's context information includes physical channel configuration for receiving RU control information from a network side device, and/or processing delay parameters for the RU control information by the MT.
22. The method of claim 21, wherein the RU control information comprises at least one of:
first control information for controlling a transmission/reception beam on the RU;
second control information for controlling the opening and/or closing of the RU;
third control information for activating and/or deactivating the RU;
fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU;
fifth control information for activating and/or deactivating a frequency domain operation mode of the RU;
sixth control information for controlling at least one of a transmission power, a transmission power spectral density, and an amplification factor of the RU.
23. The method of claim 21, wherein the physical channel configuration comprises at least one of:
a format configuration of the physical channel; time frequency resource configuration corresponding to the physical channel;
configuring power control parameters corresponding to the physical channels;
and configuring modulation/demodulation reference signals corresponding to the physical channels.
24. The method of claim 20, wherein the context information for the RU comprises at least one of:
the RU model information;
capability information of a beam of the RU;
SSB forwarding parameters of the RU;
CSI-RS forwarding parameters of the RU;
beam configuration information when the RU communicates with the original base station;
forwarding delay information of the RU;
capability information related to transmission power of the RU;
a power parameter to which the RU is configured;
the configured uplink/downlink power control parameters of the RU;
when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting wave beam of the RU;
time delay information when the RU expects to switch the receiving/transmitting state;
guard interval information when the RU expects to switch the receiving/transmitting state;
the time delay information when the current configured receiving/sending state of the RU is switched;
guard interval information when the current configured receiving/transmitting state of the RU is switched;
a mode of operation in a time domain supported by the RU;
an operating mode of a frequency domain supported by the RU;
the current configured uplink/downlink time unit information of the RU;
uplink/downlink time unit information supported by the RU;
a time domain mode of operation for which the RU is currently configured or activated;
the frequency domain mode of operation in which the RU is currently configured or activated.
25. The method of any one of claims 19-24, wherein the step of the signal amplifier switching from the original base station to the target base station based on the second reconfiguration information comprises any one of:
the signal amplifier establishes connection with the target base station through the MT, and activates the RU according to RU reconfiguration information included in the second reconfiguration information;
the signal amplifier configures and activates the RU according to RU reconfiguration information included in the second reconfiguration information.
26. A switching device, comprising:
a first sending module, configured to send a handover request to a target base station, where the handover request carries context information of a signal amplifier;
a first receiving module, configured to receive a handover response sent by a target base station, where the handover response carries first reconfiguration information that is determined by the target base station based on context information of the signal amplifier;
the first sending module is further configured to send a switching command to the signal amplifier, where the switching command carries second reconfiguration information determined by the original base station based on the first reconfiguration information.
27. The apparatus according to claim 26, wherein the context information of the signal amplifier comprises context information of a terminal module MT and/or context information of a radio frequency unit RU.
28. The apparatus according to claim 27, wherein the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
29. The apparatus of claim 28, wherein the RU control information comprises at least one of:
first control information for controlling a transmit/receive beam on the RU;
second control information for controlling the RU to be turned on and/or turned off;
third control information for activating and/or deactivating the RU;
fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU;
fifth control information for activating and/or deactivating a frequency domain operation mode of the RU;
sixth control information for controlling at least one of a transmission power, a transmission power spectral density, and an amplification factor of the RU.
30. The apparatus of claim 28, wherein the physical channel configuration comprises at least one of:
a format configuration of the physical channel; time frequency resource configuration corresponding to the physical channel;
configuring power control parameters corresponding to the physical channels;
and the modulation/demodulation reference signal configuration corresponding to the physical channel.
31. The apparatus of claim 27, wherein the context information for the RU comprises at least one of:
the model information of the RU;
capability information of a beam of the RU;
SSB forwarding parameters of the RU;
a CSI-RS forwarding parameter of the RU;
the wave beam configuration information when the RU communicates with the original base station;
forwarding delay information of the RU;
capability information related to transmission power of the RU;
a power parameter to which the RU is configured;
the configured uplink/downlink power control parameters of the RU;
when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU;
time delay information when the RU expects to switch the receiving/transmitting state;
guard interval information when the RU expects to switch the receiving/transmitting state;
the time delay information when the current configured receiving/sending state of the RU is switched;
the current configured protection interval information of the RU when the receiving/sending state is switched;
a mode of operation in a time domain supported by the RU;
an operating mode of a frequency domain supported by the RU;
the current configured uplink/downlink time unit information of the RU;
uplink/downlink time unit information supported by the RU;
a time-domain mode of operation in which the RU is currently configured or activated;
the frequency domain mode of operation in which the RU is currently configured or activated.
32. The apparatus of claim 27, wherein the handover request further carries at least one of:
type indication information of the RU;
mobility information of the RU;
user attribute indication information of the RU.
33. The apparatus of claim 27, wherein the handover response further carries at least one of:
information of SSB sent by the RU;
and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
34. The apparatus of claim 33, wherein in case the SSB sent by the RU is forwarded and the detected SSB from a terminal device, the SSB information belongs to a set of SSBs corresponding to a target cell;
and if the CSI-RS transmitted by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to the CSI-RS set corresponding to the target cell.
35. A switching device, comprising:
a second receiving module, configured to receive a handover request sent by an original base station, where the handover request carries context information of a signal amplifier;
and a second sending module, configured to send a handover response to the original base station, where the handover response carries first reconfiguration information that is determined by the target base station based on the context information of the signal amplifier.
36. The apparatus according to claim 35, wherein the context information of the signal amplifier comprises context information of an MT and/or context information of a radio unit RU.
37. The apparatus according to claim 36, wherein the context information of the MT includes a physical channel configuration for receiving RU control information from a network side device, and/or a processing delay parameter of the RU control information by the MT.
38. The apparatus of claim 37, wherein the RU control information comprises at least one of:
first control information for controlling a transmit/receive beam on the RU;
second control information for controlling the RU to be turned on and/or turned off;
third control information for activating and/or deactivating the RU;
fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU;
fifth control information for activating and/or deactivating a frequency domain operation mode of the RU;
sixth control information for controlling at least one of a transmit power, a transmit power spectral density, and an amplification factor of the RU.
39. The apparatus of claim 37, wherein the physical channel configuration comprises at least one of:
a format configuration of the physical channel; time frequency resource allocation corresponding to the physical channel;
configuring power control parameters corresponding to the physical channels;
and the modulation/demodulation reference signal configuration corresponding to the physical channel.
40. The apparatus of claim 36, wherein the context information for the RU comprises at least one of:
the model information of the RU;
capability information of a beam of the RU;
SSB forwarding parameters of the RU;
a CSI-RS forwarding parameter of the RU;
beam configuration information when the RU communicates with the original base station;
forwarding delay information of the RU;
capability information related to transmission power of the RU;
a power parameter at which the RU is configured;
the configured uplink/downlink power control parameters of the RU;
when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU;
time delay information when the RU expects to switch the receiving/transmitting state;
guard interval information when the RU expects to switch the receiving/transmitting state;
the time delay information when the current configured receiving/sending state of the RU is switched;
guard interval information when the current configured receiving/transmitting state of the RU is switched;
a mode of operation in a time domain supported by the RU;
an operating mode of a frequency domain supported by the RU;
the current configured uplink/downlink time unit information of the RU;
uplink/downlink time unit information supported by the RU;
a time domain mode of operation for which the RU is currently configured or activated;
the frequency domain mode of operation in which the RU is currently configured or activated.
41. The apparatus of claim 36, wherein the handover request further carries at least one of:
type indication information of the RU;
mobility information of the RU;
user attribute indication information of the RU.
42. The apparatus of claim 36, wherein the handover response further carries at least one of:
information of SSB sent by the RU;
and the RU needs to send the information of the time-frequency resource and/or the CSI-RS sequence of the CSI-RS.
43. The apparatus of claim 42, wherein in case the SSB sent by the RU is forwarded and is from a SSB detected by a terminal device, the SSB information belongs to a set of SSBs corresponding to a target cell;
and if the CSI-RS sent by the RU is the CSI-RS forwarded by the RU and detected by the terminal equipment, the CSI-RS belongs to a CSI-RS set corresponding to the target cell.
44. A switching device, comprising:
a third receiving module, configured to receive a handover command sent by an original base station, where the handover command carries second reconfiguration information, the second reconfiguration information is determined by the original base station based on first reconfiguration information sent by a target base station, and the first reconfiguration information is determined by the target base station based on context information of a signal amplifier;
and the switching module is used for switching the original base station to the target base station based on the second reconfiguration information.
45. The apparatus according to claim 44, wherein the context information of the signal amplifier includes context information of an MT and/or context information of a radio unit RU.
46. The apparatus according to claim 45, wherein the MT's context information includes physical channel configuration for receiving RU control information from a network side device, and/or wherein the MT's processing delay parameters for the RU control information.
47. The apparatus of claim 45, wherein the RU control information comprises at least one of:
first control information for controlling a transmit/receive beam on the RU;
second control information for controlling the RU to be turned on and/or turned off;
third control information for activating and/or deactivating the RU;
fourth control information, configured to activate and/or deactivate a time-domain operating mode of the RU;
fifth control information for activating and/or deactivating a frequency domain operation mode of the RU;
sixth control information for controlling at least one of a transmission power, a transmission power spectral density, and an amplification factor of the RU.
48. The apparatus of claim 46, wherein the physical channel configuration comprises at least one of:
format configuration of the physical channel;
time frequency resource allocation corresponding to the physical channel;
configuring power control parameters corresponding to the physical channels;
and the modulation/demodulation reference signal configuration corresponding to the physical channel.
49. The apparatus of claim 46, wherein the context information for the RU comprises at least one of:
the model information of the RU;
capability information of a beam of the RU;
SSB forwarding parameters of the RU;
a CSI-RS forwarding parameter of the RU;
the wave beam configuration information when the RU communicates with the original base station;
forwarding delay information of the RU;
capability information related to transmission power of the RU;
a power parameter at which the RU is configured;
the configured uplink/downlink power control parameters of the RU;
when the signal amplifier is communicated with a terminal, the power control parameter information of the configured receiving/transmitting beam of the RU;
time delay information when the RU expects to switch the receiving/transmitting state;
guard interval information when the RU expects to switch the receiving/transmitting state;
the time delay information when the current configured receiving/sending state of the RU is switched;
the current configured protection interval information of the RU when the receiving/sending state is switched;
a time-domain mode of operation supported by the RU;
an operating mode of a frequency domain supported by the RU;
the current configured uplink/downlink time unit information of the RU;
uplink/downlink time unit information supported by the RU;
a time-domain mode of operation in which the RU is currently configured or activated;
the frequency domain mode of operation for which the RU is currently configured or activated.
50. The apparatus according to any of claims 44-49, wherein the switching module is configured to any of:
establishing a connection with the target base station through the MT, and activating the RU according to the RU reconfiguration information included in the second reconfiguration information;
and configuring and activating the RU according to the RU reconfiguration information included in the second reconfiguration information.
51. A network side device, comprising a processor, a memory and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the handover method according to any one of claims 1 to 9, or implement the steps of the handover method according to any one of claims 10 to 18, or implement the steps of the handover method according to any one of claims 19 to 25.
52. A readable storage medium, characterized in that a program or instructions are stored thereon, which program or instructions, when executed by a processor, implement the handover method according to any one of claims 1-9, or the steps of the handover method according to any one of claims 10 to 18, or the steps of the handover method according to any one of claims 19 to 25.
CN202110574067.6A 2021-05-25 2021-05-25 Switching method, device and network side equipment Pending CN115396963A (en)

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