CN112564853B

CN112564853B - Configuration method and device for special search space

Info

Publication number: CN112564853B
Application number: CN201910910121.2A
Authority: CN
Inventors: 吴兆礼; 苏进喜
Original assignee: Datang Mobile Communications Equipment Co Ltd
Current assignee: Datang Mobile Communications Equipment Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2023-03-14
Anticipated expiration: 2039-09-25
Also published as: CN112564853A

Abstract

The application discloses a configuration method and a device of a special search space, wherein the method comprises the following steps: when detecting that user equipment is accessed, configuring the format of Downlink Control Information (DCI) borne by a Physical Downlink Control Channel (PDCCH) of a special search space of the user equipment into a first format; when the user equipment carries out uplink or downlink service, judging whether the user equipment meets a first condition, wherein the first condition comprises that the user equipment has service requirements not less than 2 streams and/or that the user equipment has service requirements for multi-user multi-input multi-output; if the user equipment meets the first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment; and if the format support of the DCI is configured to be the second format, configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to be the second format.

Description

Configuration method and device for special search space

Technical Field

The present application relates to the field of wireless communications technologies, and in particular, to a method and an apparatus for configuring a dedicated search space.

Background

The Fifth Generation (5G) communication protocol specifies that two formats exist for Downlink Control Information (DCI) carried by a Physical Downlink Control Channel (PDCCH) of a search space dedicated to a User Equipment (UE), which are formats0 to 0And 1 to 0And formats0 to 1And 1 to 1, respectively. The control resource set (Coreset) is the physical resource of the PDCCH, which determines the supported PDCCH DCI formats by associating UE-specific search spaces. The number of Coreset of the UE is not more than 3, the UE detects 4 DCIs with different sizes at most in a single Cell, and detects DCI formats scrambled by Cell-Radio Network Temporary Identifier (CRNTI) with 3 different sizes at most. One UE cannot configure formats 0-0And 1-0 And 0-1And 1-1 simultaneously, that is, only one type of PDCCH DCI format is supported at the same time.

formats 0-0And 1-0 only support single stream transmission And cannot reach the peak rate of 5G; formats0-1And formats 1-1 support multiflow, so the peak rate far exceeds formats 0-0And 1-0, and can reach a peak rate of 5G. But each field of the formats 0-0And 1-0 is specific, and 3 columns of pilot frequencies are fixedly occupied, so that the method can be compatible with each protocol version of 5G And can be widely applied to various poor channel conditions And fast moving scenes. The formats0 to 1And the formats 1 to 1 are flexible, the length of each field is related to the parameter configuration, and the PDCCH DCI lengths corresponding to different versions of the 5G protocol (e.g., F20 And F30 protocol versions) under the same configuration parameter are different, and the different understanding of the effective time of the parameter by each UE may also cause the different PDCCH DCI lengths. If only the formats0-1And formats 1-1 are configured, it is easy to cause that part of the UEs cannot access the 5G network because the DCI format lengths are not understood to be consistent, on the other hand, because the base station only configures no more than 2 columns of DMRS pilots by default, if the UE is in a fast moving process, the signal-to-noise ratio is deteriorated, or in a poor scene of other channels, the formats0-1And formats 1-1 are more prone to decoding errors And access fails, which results in that the UEs cannot access the 5G network to perform the 5G service; resulting in poor 5G network compatibility. If only formats 0-0And 1-0 are configured, a peak rate of 5G cannot be achieved.

Therefore, how to guarantee compatibility while increasing the speed is an urgent problem to be solved.

Disclosure of Invention

The embodiment of the application provides a configuration method and a configuration device for a special search space, which are used for guaranteeing compatibility while increasing speed.

In a first aspect, a method for configuring a dedicated search space is provided, including:

when detecting that user equipment accesses, configuring the format of Downlink Control Information (DCI) carried by a Physical Downlink Control Channel (PDCCH) of a special search space of the user equipment into a first format;

when the user equipment carries out uplink or downlink service, judging whether the user equipment meets a first condition, wherein the first condition comprises that the user equipment has service requirements not less than 2 streams and/or that the user equipment has service requirements for multi-user multi-input multi-output;

if the user equipment meets a first condition, judging whether the format of DCI carried by the PDCCH of the dedicated search space of the user equipment supports being configured as a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment;

and if the format support of the DCI is configured to be the second format, configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to be the second format.

Optionally, the configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to be the second format includes:

configuring a format of DCI carried by a PDCCH of a dedicated search space of the user equipment to a second format through Radio Resource Control (RRC) reconfiguration signaling.

Optionally, after configuring a format of DCI carried by a PDCCH of the dedicated search space of the user equipment to be a second format, the method further includes:

when the signal to noise ratio is detected to be deteriorated and/or the user equipment is in a fast moving state, configuring the format of DCI carried by the PDCCH of the dedicated search space of the user equipment into a first format through RRC reconfiguration signaling.

Optionally, the method further comprises:

after receiving an RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling, adjusting a format of DCI carried by a PDCCH of the dedicated search space of the user equipment in the base station to a format of DCI configured by the user equipment.

Optionally, the first format is formats 0-0And 1-0; the second format is formats0-1And 1-1.

In a second aspect, an apparatus for configuring a dedicated search space is provided, including: the device comprises a detection unit, a judgment unit and a configuration unit;

the configuration unit is configured to configure a format of downlink control information DCI carried by a physical downlink control channel PDCCH of a dedicated search space of the user equipment into a first format when the detection unit detects that the user equipment accesses;

the determining unit is configured to determine whether the ue meets a first condition when the ue performs an uplink or downlink service, where the first condition includes a service requirement that the ue has no less than 2 streams and/or a service requirement that the ue performs multi-user multiple-input multiple-output; if the user equipment meets a first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment;

the configuring unit is configured to configure the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment into a second format if the format support of the DCI is configured into the second format.

Optionally, the configuration unit is specifically configured to:

Optionally, the configuration unit is further configured to:

when the detecting unit detects that the signal-to-noise ratio is deteriorated and/or the user equipment is in a fast moving state, configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment into a first format through RRC reconfiguration signaling.

Optionally, the configuration unit is further configured to:

and after receiving an RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling, adjusting the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment in the base station to the format of the DCI configured by the user equipment.

In a third aspect, a communication apparatus is provided, including: a processor, a memory, and a transceiver; wherein the processor is configured to read a program in the memory and execute the method according to any one of the above first aspects.

In a fourth aspect, there is provided a computer-readable storage medium having stored thereon computer-executable instructions for causing the computer to perform the method of any of the first aspects above.

In the embodiments of the present application, when detecting that a user equipment accesses, a format of downlink control information DCI carried by a PDCCH in a dedicated search space of the user equipment is configured as a first format; when the user equipment carries out uplink or downlink service, judging whether the user equipment meets a first condition, wherein the first condition comprises that the user equipment has service requirements not less than 2 streams and/or that the user equipment has service requirements for multi-user multi-input multi-output; if the user equipment meets the first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment; if the format support of the DCI is configured to be the second format, configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to be the second format; therefore, according to the service requirement of the user equipment, the format of the DCI is flexibly configured for the user equipment, the problem that the service requirement of the user equipment cannot be met because the first format is only configured for the user equipment is solved, and the speed is improved while the compatibility is ensured.

Drawings

Fig. 1 is a schematic structural diagram of a configuration system of a conventional dedicated search space;

fig. 2 is a schematic structural diagram of a configuration system of a dedicated search space according to an embodiment of the present application;

fig. 3 is a schematic flowchart of a configuration method of a dedicated search space according to an embodiment of the present application;

fig. 4 is a schematic structural diagram of an apparatus for configuring a dedicated search space according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a communication device according to an embodiment of the present application.

Detailed Description

Hereinafter, some terms in the embodiments of the present application are explained so as to be easily understood by those skilled in the art.

(1) "first" and "second" are used to distinguish similar objects and are not necessarily used to describe a particular order or sequence.

(2) "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.

The following detailed description of embodiments of the present application will be made with reference to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present application, are given by way of illustration and explanation only, and are not intended to limit the present application.

Referring to fig. 1, a schematic structural diagram of a configuration system for a conventional dedicated search space is shown.

As shown in the figure, the configuration system includes a PDCCH resource configuration module 101, a PDCCH resource usage module 102, and a traffic module 103.

The PDCCH resource configuring module 101 is configured to configure a first PDCCH resource for the ue when it is detected that a user equipment accesses, and notify the PDCCH resource using module 102 of the first PDCCH resource configured for the user equipment, where the first PDCCH resource is used to indicate that a format of DCI carried by a PDCCH of a dedicated search space of the user equipment is formats 0-0And 1-0.

The PDCCH resource includes information such as a control resource set and a search space (SearchSpace) of the PDCCH.

The PDCCH resource using module 102 is configured to determine, according to the first PDCCH resource configured by the PDCCH resource configuring module 101 for the user equipment, that a format of DCI carried by a PDCCH of a dedicated search space of the user equipment is formats 0-0And 1-0, and notify, to the service module 103, the format of DCI carried by the PDCCH of the dedicated search space of the user equipment.

The service module 103 is configured to perform a downlink service according to the PDCCH DCI format of the user equipment determined by the PDCCH resource using module 102. In addition, the service module 103 is further configured to send a request message for applying for PDCCH control resources to the PDCCH resource utilization module 102, so as to determine a format of DCI carried by a PDCCH of the dedicated search space of the user equipment, fill in a PDCCH DCI message matching the service, and send the PDCCH DCI message to the user equipment.

When a user accesses, the PDCCH resource configuration module configures the control resource set of the PDCCH and the format of the PDCCH DCI pointed to by the information such as the Search Space (Search Space) for the user equipment only is the format of the PDCCH DCI, and thus the PDCCH resource configuration module cannot flexibly adjust the format according to the service scenario. When there are different user equipments simultaneously accessed in a cell, for example, a part of the user equipments are F20 protocol versions, and a part of the user equipments are F30 protocol versions, a part of the user equipments in the cell cannot be accessed, and cannot use 5G network services. Meanwhile, if there is a fast moving ue or a ue in poor channel conditions (such as signal-to-noise ratio degradation), the access failure rate is also greatly increased.

In order to solve the above problem, the embodiments of the present application provide a configuration system of a dedicated search space.

Fig. 2 is a schematic structural diagram of a configuration system of a dedicated search space according to an embodiment of the present application.

As shown, the configuration system includes: a PDCCH resource configuration module 201, a PDCCH resource usage module 202, a traffic module 203, and a PDCCH resource adjustment module 204.

The PDCCH resource allocation module 201 is configured to allocate a first PDCCH resource for a user equipment when detecting that the user equipment is accessed; receiving a format switching notification sent by the PDCCH resource adjusting module 204, and re-configuring PDCCH resources for the ue, wherein if the currently configured PDCCH resource is a first PDCCH resource, a second PDCCH resource is re-configured for the ue, and if the currently configured PDCCH resource is a second PDCCH resource, the first PDCCH resource is re-configured for the ue; the PDCCH resource usage module 202 is notified of PDCCH resources configured for the user equipment; in an uplink or downlink service of the user equipment, a notification message indicating that the first PDCCH resource or the second PDCCH resource is configured and sent by the PDCCH resource adjusting module 204 is received.

The second PDCCH resource is used to indicate that a format of DCI carried by a PDCCH of a dedicated search space of the user equipment is formats0-1And 1-1.

A PDCCH resource using module 202, configured to determine, according to the PDCCH resource notified by the PDCCH resource configuring module 201, whether a format of DCI carried by a PDCCH of a dedicated search space of the user equipment is a first format or a second format; changing the format of DCI carried by PDCCH of the special search space of the user equipment into the determined DCI format through Radio Resource Control (RRC) reconfiguration signaling; after receiving an RRC reconfiguration response message (namely RRC reconfiguration success) returned by the user equipment in response to the RRC reconfiguration signaling, adjusting the format of DCI (Downlink control information) carried by a PDCCH (physical downlink control channel) of the special search space of the user equipment in the base station into the determined DCI format; the determined DCI format is notified to the service module 203.

The first format is formats 0-0And 1-0, and the second format is formats0-1And 1-1.

A service module 203, configured to perform downlink service according to the DCI format determined by the PDCCH resource using module 202; when the user equipment performs an uplink or downlink service, determining whether the user equipment meets a first condition, and if the user equipment meets the first condition and the DCI format is the first format, notifying the PDCCH resource adjusting module 204 to adjust the DCI format carried by the PDCCH of the dedicated search space of the user equipment to a second format; when the ue does not satisfy the first condition and the DCI format is the second format, the PDCCH resource adjusting module 204 is notified to adjust the DCI format carried by the PDCCH in the dedicated search space of the ue to the first format; when the format of the DCI is the second format, and when it is detected that the signal-to-noise ratio is degraded and/or the user equipment is in the fast moving state, the PDCCH resource adjusting module 204 is notified to adjust the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to the first format.

The first condition is that the user equipment has service requirements not less than 2 flows; or the first condition is that the user equipment has a service requirement for multi-user multiple input multiple output (mumimo); or the first condition is that the user equipment has a service requirement not less than 2 streams and the user equipment has a service requirement for multi-user multiple input multiple output.

A PDCCH resource adjusting module 204, configured to determine, when the DCI format is the first format, whether the DCI format carried by the PDCCH of the dedicated search space of the user equipment is configured to the second format according to the PDCCH resource of the user equipment and the capability of the user equipment, and send, to the PDCCH resource configuring module 201, a notification message indicating that the second PDCCH resource is configured when the DCI format is configured to the second format; when the DCI format is the second format, a notification message indicating that the first PDCCH resource is configured is sent to the PDCCH resource configuration module 201.

Wherein the capability of the user equipment is used to indicate whether the user equipment supports the capability of the second format.

Based on the configuration system shown in fig. 2, an embodiment of the present application further provides a configuration method for a dedicated search space.

Fig. 3 is a schematic flowchart of a configuration method of a dedicated search space according to an embodiment of the present disclosure.

As shown, the method flow includes:

s301: when detecting that the user equipment is accessed, configuring the format of Downlink Control Information (DCI) carried by a PDCCH (physical downlink control channel) of a special search space of the user equipment into a first format.

When the user equipment accesses, the format of the downlink control information DCI carried by the PDCCH of the dedicated search space of the user equipment is configured to be a first format, so that the user equipment starts to perform uplink or downlink service according to the first format.

S302: when the user equipment carries out uplink or downlink service, whether the user equipment meets a first condition is judged.

The first condition includes that the user equipment has a service requirement not less than 2 streams and/or the user equipment has a service requirement for multi-user multiple input multiple output.

Specifically, in the process of performing uplink or downlink service by the user equipment according to the first format, whether the user equipment has a service requirement not less than 2 streams or whether the user equipment has a service requirement for performing multi-user multi-output or whether the user equipment has a service requirement not less than 2 streams and for performing multi-user multi-output is detected in real time.

S303: if the UE meets the first condition, whether the format of DCI carried by the PDCCH of the dedicated search space of the UE supports being configured as a second format is judged according to the PDCCH resource of the UE and the capability of the UE.

Specifically, in a case that the user equipment satisfies the first condition, it is further determined whether a format of DCI carried by a PDCCH of a dedicated search space of the user equipment supports being configured as the second format according to the configured set of control resources and the capability of the user equipment.

S304: and if the format of the DCI supports the configuration as the second format, configuring the format of the DCI carried by the PDCCH of the special search space of the user equipment as the second format.

Specifically, if the format support of the DCI carried by the PDCCH in the dedicated search space of the user equipment is configured as the second format, the RRC reconfiguration signaling is issued to the user equipment, and the format of the DCI carried by the PDCCH in the dedicated search space of the user equipment is configured as the second format through the RRC reconfiguration signaling, so that the user equipment performs the uplink or downlink service according to the second format. After receiving an RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling, synchronously adjusting the format of DCI (downlink control information) borne by a PDCCH (physical downlink control channel) of the special search space of the user equipment in the base station into a second format; and if the RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling is not received within the set duration, keeping the current DCI format unchanged to the first format.

In some embodiments, after S304, the ue performs an uplink or downlink service according to the second format, and if it is detected that the signal-to-noise ratio of the current channel is degraded and/or the ue is in a fast moving state, or it is predicted that the signal-to-noise ratio of the channel will be degraded and/or the ue will be in the fast moving state within a next period of time, an RRC reconfiguration signaling is issued to the ue, and the format of the DCI carried by the PDCCH in the dedicated search space of the ue is configured to be the first format through the RRC reconfiguration signaling. After receiving an RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling, synchronously adjusting the format of DCI (downlink control information) borne by a PDCCH (physical downlink control channel) of the special search space of the user equipment in the base station into a first format; and if the RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling is not received within the set duration, keeping the current DCI format as the second format unchanged.

In some embodiments, after S304, the ue performs uplink or downlink service according to the second format, and detects whether the ue meets the first condition in real time; and when detecting that the user equipment does not meet the first condition, issuing RRC reconfiguration signaling to the user equipment, and configuring the format of DCI (downlink control information) carried by the PDCCH (physical downlink control channel) of the special search space of the user equipment into a first format through the RRC reconfiguration signaling. After receiving an RRC reconfiguration response message returned by user equipment in response to the RRC reconfiguration signaling, synchronously adjusting the format of DCI (downlink control information) carried by a PDCCH (physical downlink control channel) of a special search space of the user equipment in a base station into a first format; and if the RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling is not received within the set duration, keeping the current DCI format as the second format unchanged.

Based on the same technical concept, the embodiment of the present application further provides a configuration apparatus for a dedicated search space, where the configuration apparatus can implement the process executed in fig. 3 in the foregoing embodiment.

Fig. 4 is a schematic structural diagram of an apparatus for configuring a dedicated search space according to an embodiment of the present application.

As shown, the configuration device includes a detection unit 401, a determination unit 402, and a configuration unit 403.

Wherein, the configuring unit 403 is configured to configure, when the detecting unit 401 detects that the user equipment accesses, a format of downlink control information DCI carried by a physical downlink control channel PDCCH of a dedicated search space of the user equipment into a first format;

a determining unit 402, configured to determine whether a user equipment meets a first condition when the user equipment performs an uplink or downlink service, where the first condition includes a service requirement that the user equipment has no less than 2 streams, and/or a service requirement that the user equipment has multiple users and multiple inputs and multiple outputs; if the user equipment meets the first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment;

a configuring unit 403, configured to configure, if the DCI format support is configured to be the second format, the format of the DCI carried by the PDCCH in the dedicated search space of the user equipment to be the second format.

Optionally, the configuration unit 403 is specifically configured to:

configuring a format of DCI carried by a PDCCH of a dedicated search space of a user equipment to a second format through Radio Resource Control (RRC) reconfiguration signaling.

Optionally, the configuration unit 403 is further configured to:

when the detecting unit 401 detects that the signal-to-noise ratio is degraded and/or the user equipment is in a fast moving state, the format of DCI carried by the PDCCH of the dedicated search space of the user equipment is configured to be the first format through RRC reconfiguration signaling.

Optionally, the configuration unit 403 is further configured to:

Based on the same technical concept, the embodiment of the present application further provides a communication device, which can implement the flow executed in fig. 3 in the foregoing embodiment.

Referring to fig. 5, a schematic structural diagram of a communication device provided in an embodiment of the present application is shown, where the communication device may include: a processor 501, a memory 502, a transceiver 503, and a bus interface 504.

The processor 501 is responsible for managing the bus architecture and general processing, and the memory 502 may store data used by the processor 501 in performing operations. The transceiver 503 is used to receive and transmit data under the control of the processor 501.

The bus architecture may include any number of interconnected buses and bridges, with one or more processors, represented by processor 501, and various circuits, represented by memory 502, being linked together. The bus architecture may also link together various other circuits such as peripherals, voltage regulators, power management circuits, and the like, which are well known in the art, and therefore, will not be described any further herein. The bus interface provides an interface. The processor 501 is responsible for managing the bus architecture and general processing, and the memory 502 may store data used by the processor 501 in performing operations.

Specifically, the processor 501 is configured to configure a format of downlink control information DCI carried by a physical downlink control channel PDCCH of a dedicated search space of a user equipment as a first format when the detection unit detects that the user equipment accesses; when the user equipment carries out uplink or downlink service, judging whether the user equipment meets a first condition, wherein the first condition comprises that the user equipment has service requirements not less than 2 streams and/or that the user equipment has service requirements for multi-user multi-input multi-output; if the user equipment meets the first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment; and if the format of the DCI supports the configuration as the second format, configuring the format of the DCI carried by the PDCCH of the special search space of the user equipment as the second format.

Optionally, the processor 501 is specifically configured to: and configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment into a second format through Radio Resource Control (RRC) reconfiguration signaling.

Optionally, the processor 501 is further configured to: when the detecting unit detects that the signal-to-noise ratio is deteriorated and/or the user equipment is in a fast moving state, the format of DCI carried by the PDCCH of the dedicated search space of the user equipment is configured to be a first format through RRC reconfiguration signaling.

Optionally, the processor 501 is further configured to: and after receiving an RRC reconfiguration response message returned by the user equipment in response to the RRC reconfiguration signaling, adjusting the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment in the base station to the format of the DCI configured by the user equipment.

The processes disclosed in the embodiments of the present application may be applied to the processor 501, or implemented by the processor 501. In implementation, the steps of the signal processing flow may be implemented by integrated logic circuits of hardware or instructions in the form of software in the processor 501. The processor 501 may be a general purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or the like that may implement or perform the methods, steps, and logic blocks disclosed in the embodiments of the present application. The general purpose processor may be a microprocessor or any conventional processor or the like. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in the memory 502, and the processor 501 reads the information in the memory 502 and completes the steps of the signal processing flow in combination with the hardware thereof.

Based on the same technical concept, the embodiment of the application also provides a computer readable storage medium. The computer-readable storage medium stores computer-executable instructions for causing a computer to perform the processes performed in fig. 3-5.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. A method for configuring a dedicated search space, comprising:

when the user equipment carries out uplink or downlink service, judging whether the user equipment meets a first condition, wherein the first condition comprises that the user equipment has service requirements of not less than 2 streams;

if the user equipment meets a first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment;

if the format support of the DCI is configured to be a second format, configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to be the second format;

wherein, the first format is format formats 0-0and 1-0; the second format is formats0-1And 1-1.

2. The method of claim 1, wherein the configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to a second format comprises:

3. The method of claim 1, wherein after the configuring the format of the DCI carried by the PDCCH of the dedicated search space of the user equipment to the second format, further comprising:

4. The method of any one of claims 2 or 3, further comprising:

5. An apparatus for configuring a dedicated search space, comprising: the device comprises a detection unit, a judgment unit and a configuration unit;

the configuration unit is configured to configure, when the detection unit detects that the user equipment accesses, a format of downlink control information DCI carried by a physical downlink control channel PDCCH of a dedicated search space of the user equipment into a first format;

the determining unit is configured to determine whether the ue meets a first condition when the ue performs an uplink or downlink service, where the first condition includes that the ue has a service requirement of not less than 2 flows; if the user equipment meets a first condition, judging whether the format of DCI carried by the PDCCH of the special search space of the user equipment supports being configured into a second format or not according to the PDCCH resource of the user equipment and the capability of the user equipment;

the configuring unit is configured to configure, if the DCI format supports being configured as a second format, the DCI format carried by the PDCCH in the dedicated search space of the ue as the second format;

6. The apparatus of claim 5, wherein the configuration unit is specifically configured to:

7. The apparatus of claim 5, wherein the configuration unit is further configured to:

8. The apparatus of any of claims 6 or 7, wherein the configuration unit is further to: