WO2022150981A1

WO2022150981A1 - Method for enhancing transmission, and communication device

Info

Publication number: WO2022150981A1
Application number: PCT/CN2021/071315
Authority: WO
Inventors: 黎添; 生嘉
Original assignee: 捷开通讯(深圳)有限公司
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2022-07-21
Also published as: CN116636287B; CN116636287A

Abstract

The present application provides a method for enhancing transmission, comprising: receiving a PDCCH transmission, wherein the PDCCH transmission is configured with a first set of search spaces and a first set of control resources associated therewith and a second set of search spaces and a second set of control resources associated therewith; determining a first PDCCH candidate according to the first set of search spaces and the first set of control resources and decoding same to obtain connection relationship information between the first PDCCH candidate and a second PDCCH candidate; obtaining the second set of search spaces according to indication information, wherein the indication information is used to indicate the second set of search spaces; and monitoring and decoding the second PDCCH candidate according to the second set of search spaces, the second set of spatial resources, and the connection relationship information. The present application further provides a corresponding communication device. By means of the described method, the enhancement of PDCCH transmission is implemented.

Description

A transmission enhancement method and communication device

【Technical field】

The disclosed embodiments of the present application relate to the field of communication technologies, and more particularly, to a transmission enhancement method and a communication device.

【Background technique】

In the New Radio (NR) system, since the PDCCH channel may be blocked from the transmission/reception point (TRP) to the user equipment (User Equipment, UE), in order to give full play to the multi-TRP ( The advantages of Multiple-TRP) system need to enhance the reliability of PDCCH.

[Content of the invention]

According to the embodiments of the present application, the present application proposes a transmission enhancement method and a communication device to solve the above problems.

According to a first aspect of the present application, an exemplary transmission enhancement method is disclosed, comprising: receiving a PDCCH transmission, wherein the PDCCH transmission is configured with a first set of search spaces and its associated first set of control resources and a second search space set and its associated second control resource set; according to the first search space set and the first control resource set, determine and decode the first PDCCH candidate to obtain the first PDCCH candidate and the Connection relationship information between the second PDCCH candidates; obtain the second search space set according to the indication information, wherein the indication information is used to indicate the second search space set; according to the second search space set , the second space resource set and the connection relationship information, and monitor and decode the second PDCCH candidate.

According to a second aspect of the present application, an exemplary transmission enhancement method is disclosed, comprising: performing a PDCCH transmission, wherein the PDCCH transmission is configured with a first set of search spaces and its associated first set of control resources and a second search A space set and its associated second set of control resources, the second set of search spaces indicated by the indication information.

According to a third aspect of the present application, an exemplary user equipment is disclosed, which is characterized in that, when applied to a multi-TRP system, it includes: a processor, a memory, and a communication circuit, where the memory stores instructions, the instructions are When the processor executes, the processor is caused to execute the method according to the first aspect above through the communication circuit.

According to a fourth aspect of the present application, an exemplary base station is disclosed, applying a multi-TRP system, comprising: a processor, a memory, and a communication circuit, the memory storing instructions that, when executed by the processor, cause The processor performs the method as described in the second aspect above through the communication circuit.

According to a fifth aspect of the present application, an exemplary non-volatile computer storage medium is disclosed, characterized in that it stores instructions that, when executed, implement the method described in the first aspect.

According to a sixth aspect of the present application, an exemplary non-volatile computer storage medium is disclosed, characterized in that it stores instructions that, when executed, implement the method described in the second aspect above.

The beneficial effects of the present application are as follows: by decoding the first PDCCH candidate according to the first search space set and the first control resource set, the connection relationship information between the first PDCCH candidate and the second PDCCH candidate is obtained, and through the indication information , to obtain the second search space set, so that the second PDCCH candidate is monitored and decoded according to the second search space set, the second space resource set and the connection relationship information, so as to realize PDCCH transmission enhancement.

【Description of drawings】

The application will be further described below in conjunction with the accompanying drawings and embodiments, in which:

FIG. 1 is a schematic diagram of a multi-TRP system to which an embodiment of the present application is applied.

FIG. 2 is a flowchart of a transmission enhancement method according to the first embodiment of the present application.

FIG. 3 is a flowchart of a transmission enhancement method according to a second embodiment of the present application.

FIG. 4 is a schematic diagram of overlapping PDCCH monitoring occasions applied in an embodiment of the present application.

FIG. 5 is a flowchart of a transmission enhancement method according to a third embodiment of the present application.

FIG. 6 is a schematic structural diagram of a communication device according to the first embodiment of the present application.

FIG. 7 is a schematic structural diagram of a communication device according to a second embodiment of the present application.

FIG. 8 is a schematic structural diagram of a non-volatile computer-readable storage medium according to the first embodiment of the present application.

FIG. 9 is a schematic structural diagram of a non-volatile computer-readable storage medium according to a second embodiment of the present application.

【Detailed ways】

In order to make those skilled in the art better understand the technical solutions of the present application, the related technologies of the present application are first introduced below.

The UE needs to know the location of the Physical Downlink Control Channel (PDCCH) in the frequency domain and the location in the time domain to successfully decode the PDCCH. In the NR system, the frequency domain resource information of the PDCCH and the number of orthogonal frequency division multiplexing (Orthogonal Frequency Division Multiplexing, OFDM) symbols occupied in the time domain are encapsulated in the control resource set (Control Resource Set, CORESET). Information such as the starting OFDM symbol of the PDCCH, the listening period, and the associated control resource set are encapsulated in a search space (Search Space).

After the UE determines the candidate time-frequency positions of the PDCCH according to the search space and the control resource set configuration, these candidate resources are called PDCCH candidates (PDCCH candidates). The UE performs Polar decoding and Cyclic Redundancy Check (CRC) on each PDCCH candidate, and when the CRC passes, it means that the current PDCCH candidate is successfully decoded.

As shown in Figure 1, multiple PDCCHs (ie PDCCH1 and PDCCH2) are transmitted from multiple TRPs to one UE. These PDCCHs are transmitted using different beams and indicate the same resource allocation information for scheduling a physical downlink shared channel (Physical Downlink). Share Channel, PDSCH)/Physical Uplink Share Channel (PUSCH), etc. Through multi-TRP transmission, the reliability of the PDCCH can be enhanced.

Currently, regarding the PDCCH transmission in the enhanced multi-TRP system, a Repetition scheme is supported, and two PDCCH candidates are explicitly linked (Explicitly Link), and the maximum number of PDCCH candidates is 2.

Two transmission configuration indications (Transmission Configuration Indication, TCI) are configured for one PDCCH transmission, and two search space sets (Search Space Set, SS set) are supported to be associated with corresponding control resource sets respectively.

After the two PDCCH candidates establish a connection relationship, regarding the blind detection (Blind Detection, BD) restriction, the assumptions that have been reached are: the UE does not decode the two separate PDCCH candidates, but only decodes the combined candidate; the UE decodes the two separate PDCCH candidates. candidate; the UE decodes the first PDCCH candidate and the combined PDCCH candidate; and the UE decodes the two PDCCH candidates individually first, and then decodes the combined PDCCH candidate.

In order for those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the present application are further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 2 , it is a flowchart of the transmission enhancement method according to the first embodiment of the present application. The method can be applied to the enhanced scenario of PDCCH transmission in the multi-TRP system of FIG. 1, and is performed by the UE. The method includes:

Step 210: Receive a PDCCH transmission.

The PDCCH transmission is configured with a first search space set and its associated first control resource set and a second search space set and its associated second control resource set.

Step 220: Determine and decode the first PDCCH candidate according to the first search space set and the first control resource set to obtain connection relationship information between the first PDCCH candidate and the second PDCCH candidate.

There is an explicit connection relationship between the first PDCCH candidate and the second PDCCH candidate, and the connection relationship information between them is the position of the starting control channel element (Control Channel Element, CCE), the PDCCH candidate index value, and the like.

Decode the first PDCCH candidate to obtain connection relationship information between the first PDCCH candidate and the second PDCCH candidate, for example, its starting CCE position, PDCCH candidate index value, and the like.

Step 230: Obtain a second search space set according to the indication information, where the indication information is used to indicate the second search space set.

The indication message may be related to the first search space set of the first PDCCH candidate, or may be related to the first PDCCH candidate.

Step 240: Monitor and decode the second PDCCH candidate according to the second search space set, the second space resource set, and the connection relationship information.

Monitor and decode the second PDCCH candidate through the second search space set, the second space resource set, and the connection relationship information between the first PDCCH candidate and the second PDCCH candidate, for example, its starting CCE position, and the PDCCH candidate index value. PDCCH candidate.

In this embodiment, by decoding the first PDCCH candidate according to the first search space set and the first control resource set, the connection relationship information between the first PDCCH candidate and the second PDCCH candidate is obtained, and the indication information is used to obtain The second search space set, so that the second PDCCH candidate is monitored and decoded according to the second search space set, the second space resource set and the connection relationship information, so as to realize PDCCH transmission enhancement.

As described above, the indication information is used to indicate the second search space set, and according to the indication information, the second search space set can be obtained. In some embodiments, both the first set of search spaces and the second set of search spaces are available, and the first set of search spaces and the second set of search spaces and the indication information are configured by higher layer signaling.

High-level signaling is Radio Resource Control (RRC). For example, the available first search space set and second search space set are configured through the high layer parameter searchSpacesToAddModList contained in the high layer parameter PDCCH-Config. That is, the number of search space sets configured through higher layer signaling is 2.

In some examples, the configuration information of the second search space set is obtained from the high-level search space set configuration information, that is, the UE can directly obtain the configuration information of the second search space set from the high-level search space set configuration information.

At this time, step 230 includes: acquiring the configuration information of the second search space set from the search space configuration information of the upper layer, so as to obtain the second search space set.

That is to say, the configuration information of the second search space set is obtained from the search space configuration information of the high layer, that is, configured by the high layer signaling, and at this time, the search space set configuration information of the high layer can be regarded as indication information. The UE directly obtains the configuration information of the second search space set from the search space configuration information of the upper layer, and then monitors and decodes the second PDCCH candidate in combination with the connection relationship information between the first PDCCH candidate and the second PDCCH candidate.

In other examples, the indication information indicates that the index value of the second search space set is indicated by a parameter newly added in the high-level parameter SearchSpace of the first search space set, that is, the indication information is related to the first search space set.

At this time, step 230 includes: obtaining an index value of the second search space set from a parameter newly added in the high-level parameter SearchSpace of the first search space set, thereby obtaining the second search space set.

That is to say, a parameter newly added to the high-level parameter SearchSpace of the first search space set is used to indicate the index value of the search space set associated with it, and the search space set index value is used to indicate the index of the second search space set value. According to the index value of the search space set, that is, the index value of the second search space set, the UE can obtain the second search space set, and then combines the connection relationship information between the first PDCCH candidate and the second PDCCH candidate to monitor and monitor Decode the second PDCCH candidate.

In other examples, the indication information is indicated by the downlink control information carried by the first PDCCH candidate, that is, the indication information is related to the first PDCCH candidate. Specifically, in some examples, the indication information indicates that the index value of the second search space set is indicated by the carrying information in the downlink control information carried by the first PDCCH candidate. The carrying information may be a newly added parameter in the downlink control information.

At this time, step 230 includes: obtaining the index value of the second search space set according to the carrying information in the downlink control information carried by the first PDCCH candidate, so as to obtain the second search space set.

That is to say, a newly added parameter in the DCI carried by the first PDCCH candidate is used to indicate the search space set index value associated with it, and the search space set index value is used to indicate the index value of the second search space set . The UE decodes the first PDCCH candidate in the first search space set and the associated first control resource set, and then obtains the index value of the second search space set through the index value of the associated search space set in the DCI, that is, A second search space set is obtained, and the second PDCCH candidate is monitored and decoded in combination with the connection relationship information between the first PDCCH candidate and the second PDCCH candidate.

In some embodiments, the connection relationship information between the first PDCCH candidate and the second PDCCH candidate is obtained according to the first PDCCH candidate. It can be seen that by obtaining the connection relationship information between the first PDCCH candidate and the second PDCCH candidate according to the first PDCCH candidate, it is solved that the current connection relationship information between the first PDCCH candidate and the second PDCCH candidate is not specific. The problem of the indication method is to realize the indication of the connection relationship between the first PDCCH candidate and the second PDCCH candidate. Specifically, after decoding the first PDCCH candidate according to the first search space set and its associated first control resource set, the UE stores relevant information of the first PDCCH candidate, for example, the starting CCE position, the PDCCH candidate index The value, etc., is used as the association information of the second PDCCH candidate, that is, the connection relationship information between the first PDCCH candidate and the second PDCCH candidate, and is used to decode the second PDCCH candidate.

As shown in FIG. 3 , it is a flowchart of a transmission enhancement method according to a third embodiment of the present application. The method can be applied to the enhanced scenario of PDCCH transmission in the multi-TRP system of FIG. 1, and is executed by the UE. On the basis of the above-mentioned embodiment, the method includes:

Step 310: If the monitoring timings of the second PDCCH candidate and the first PDCCH candidate overlap, simultaneously monitor the second PDCCH candidate and the first PDCCH candidate, wherein the second control resource set of the second PDCCH candidate is the same as that of the first PDCCH candidate. The first control resource sets of the PDCCH candidates are configured with different quasi-co-location type D properties.

The quasi-co-located type of the control resource set includes quasi-co-located type D (Quasi Co-Located TypeD, QCL-TypeD). In the current protocol, Quasi Co-Located Type D (Quasi Co-Located Type D, QCL-Type D) is a quasi co-location property (Property) used to describe the airspace reception parameters of two ports.

The second control resource set and the first control resource set are respectively configured with TCI, the quasi-co-location type of the two TCI configurations is quasi-co-location type D, and the second control resource set of the second PDCCH candidate is the same as that of the first PDCCH. The candidate first control resource set is configured with different quasi-co-location type D properties, that is, the quasi-co-location type D properties of the two TCI configurations are different. At this time, the UE can monitor the second PDCCH candidate and the first PDCCH at the same time. candidate. That is to say, when the PDCCH repetition scheme adopts intra-slot repetition, or when two PDCCH candidates are frequency division multiplexing/space division multiplexing, the two PDCCH candidates may be in overlapping PDCCH monitoring occasions (Monitoring Occasion), namely When the monitoring timings of the second PDCCH candidate and the first PDCCH candidate overlap, the UE supports simultaneous monitoring of two PDCCH candidates with different quasi-co-location type D properties, which solves the problem that the UE will not be able to monitor the current PDCCH monitoring timing due to the overlapping PDCCH monitoring timing. Two PDCCH issues.

As shown in Figure 4, PDCCH candidate 1 and PDCCH candidate 2 are two PDCCH candidates with a connection relationship, namely the first PDCCH candidate and the second PDCCH candidate, when the PDCCH repetition scheme adopts intra-slot repetition, or when the two When the PDCCH candidates are frequency division multiplexed/space division multiplexed, the monitoring timings of the two PDCCH candidates overlap.

Among them, as shown in (a) of Figure 4, when the PDCCH repetition scheme adopts the repetition within the time slot, since the duration of a control resource set in the time domain can be 1/2/3 symbols, then PDCCH candidate 1 and PDCCH candidate The timing of monitoring for 2 may overlap. As shown in (b) of Figure 4, if the two PDCCH candidates are frequency division multiplexed, then the two PDCCH candidates occupy different frequency domain resources, and the time domain occupies the same resources. Therefore, PDCCH candidate 1 and PDCCH candidate The monitoring timing of 2 is overlapping. As shown in (c) of FIG. 4 , if the two PDCCH candidates are space-division multiplexed, the two PDCCH candidates occupy the same time-frequency resources, therefore, the monitoring timings of PDCCH candidate1 and PDCCH candidate2 overlap.

At this time, it is assumed that the two control resource sets corresponding to the two PDCCH candidates in FIG. 3 are respectively configured with different TCIs, that is, the first control resource set and the second control resource set are configured with different TCIs, and the two TCIs are configured with different TCIs. The quasi-co-location type is quasi-co-location type D, then the airspace receiving parameters used to monitor PDCCH candidate 1 and PDCCH candidate 2 are different, that is, the quasi-co-location type D has different properties. At this time, the UE can monitor the two PDCCH candidates at the same time, that is, the UE supports the simultaneous monitoring of two PDCCH candidates with different quasi-co-location types D, and solves the problem of multiple overlapping PDCCH monitoring occasions. The same problem of PDCCH with quasi-co-located type D properties is applicable to enhancing the reliability of PDCCH in a multi-TRP system.

In this embodiment, in the case where the monitoring timings of the second PDCCH candidate and the first PDCCH candidate overlap, the UE simultaneously monitors the second PDCCH candidate and The first PDCCH candidate solves the problem that the UE only monitors PDCCHs with the same quasi-co-location type D property in the case of multiple overlapping PDCCH monitoring occasions, and is suitable for enhancing PDCCH reliability in multi-TRP systems.

In some embodiments, the quasi-co-location types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are all quasi-co-location types D, and the indicated source reference signal types are different.

The PDCCH receiving beam uses the TCI state for notification. Each TCI state indicates a source reference signal that is quasi-co-located in the space of the signal to be received. If the quasi-co-location type in the TCI state is quasi-co-location type D, that is, the quasi-co-location under the spatial reception parameters , the demodulation reference signal (Demodulation Reference Signal, DM-RS) of the PDCCH is quasi-co-located with the source reference signal, and the same beam as the source reference signal can be used to receive the PDCCH. For the source reference signal type under the quasi-co-location type D of the DMRS of the PDCCH, it can be SSB (marked as source reference signal 1), and the CSI- RS resource (marked as source reference signal 2), CSI-RS resource (marked as source reference signal 3) under the high-level parameter NZP-CSI-RS-ResourceSet configured with high-level parameter repetition, and without high-level parameters trs-Info and repetition The CSI-RS resource (marked as source reference signal 4) under the higher layer parameter NZP-CSI-RS-ResourceSet.

In order that the first control resource set and the second control resource set are configured with different quasi-co-location type D properties, if the quasi-co-location types indicated in the transmission configuration indication status of the first control resource set and the second control resource set are both For quasi-co-location type D, the indicated source reference signal types are not the same, that is, the source reference signal types indicated in the TCI state are two of the source reference signals 1-4. For example, if the source reference signal indicated by the TCI state of the first control resource set is source reference signal 2, then the source reference signal indicated by the TCI state of the second control resource set is source reference signal 1, 3 or 4.

In some embodiments, the source reference signal types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are different, and the directions of the indicated receive beams are the same or different.

The direction of the receiving beam can be defined by the angle of arrival and the average angle of arrival. Specifically, the angle of arrival can be further divided into a horizontal angle of arrival and a vertical angle of arrival.

In order that the first control resource set and the second control resource set are configured with different quasi-co-location type D properties, if the source reference signal types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are different If the same, the directions of the indicated receive beams are the same or different, eg, the angle of arrival of the receive beams is different from at least one of the average angles of arrival.

In some embodiments, the source reference signal types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are the same, and the indicated reference signals have different spatial reception parameters.

If the UE can simultaneously receive multiple beams with multiple panels, then two panels can be used to receive PDCCH candidates with different beam directions, the two PDCCH candidates are configured by the corresponding control resource sets, and the two control resource sets Configurations have different quasi-co-location type D properties. At this time, in the TCI states of the two control resource sets, if the source reference signal types are the same, the spatial reception parameters of the reference signals are different; if the source reference signal types are different, the spatial reception parameters of the source reference signals may be the same, or can be different.

For example, the user equipment uses the first panel and the second panel to receive PDCCH transmission. At this time, the first quasi-co-location type D configuration is configured on the first panel of the UE, and the second quasi-co-location type D configuration is configured on the second panel , and the two quasi-co-location type D configurations are different, and these two configurations are simultaneously used to receive PDCCH transmission.

As shown in FIG. 5 , it is a flowchart of a transmission enhancement method according to an embodiment of the present application. The method can be applied to the enhanced PDCCH transmission scenario in the multi-TRP system in FIG. 1 , and is performed by the base station, for example, the base station communicates with the UE through TRP1 and TRP2 in FIG. 1 . The method includes:

Step 510: Perform PDCCH transmission, wherein the PDCCH transmission is configured with a first set of search spaces and its associated first set of control resources and a second set of search spaces and its associated second set of control resources, the second set of search spaces being indicated by information indication.

That is, the indication information is used to indicate the second search space set.

The indication message may be related to the first search space set of the first PDCCH candidate, or may be related to the first PDCCH candidate. The relevant content has been described in detail in the above-mentioned embodiments, and is not described here for brevity.

In this embodiment, the second search space set is indicated by the indication information, so that the second PDCCH candidate can be monitored and decoded, and the PDCCH transmission enhancement can be realized.

In some embodiments, both the first set of search spaces and the second set of search spaces are available, and the first set of search spaces and the second set of search spaces and the indication information are configured by higher layer signaling.

In some embodiments, the configuration information of the second set of search spaces is obtained from high-level search space configuration information.

In some embodiments, the indication information indicates that the index value of the second search space set is indicated by a newly added parameter in the high-level parameter SearchSpace of the first search space set.

In some embodiments, the indication information is indicated by downlink control information carried by the first PDCCH candidate determined and decoded according to the first set of search spaces and the first set of control resources.

In some embodiments, the indication information indicates that the index value of the second search space set is indicated by carrying information in the downlink control information carried by the first PDCCH candidate.

In some embodiments, the second set of control resources and the first set of control resources are configured with different quasi-co-location type D properties.

In some embodiments, if the PDCCH transmission is received by the first panel and the second panel, the first quasi-co-location type D configuration is configured on the first panel, the second quasi-co-location type D configuration is configured on the second panel, and the second quasi-co-location type D configuration is configured on the second panel. A quasi-co-location type D configuration is different from a second quasi-co-location type D configuration.

It should be noted that, the above-mentioned embodiment of the transmission enhancement method has already described the above-mentioned content in detail, and will not be described here again.

As shown in FIG. 6 , which is a schematic structural diagram of the communication device according to the first embodiment of the application, the communication device 600 includes a memory 610 , a processor 620 , and a communication circuit 630 , and the memory 610 and the communication circuit 630 are respectively connected to the processor 620 .

Memory 610 may include read-only memory and/or random access memory, among others, and provide instructions and data to processor 620 . A portion of memory 610 may also include non-volatile random access memory (NVRAM). Memory 610 stores instructions.

The communication circuit 630 is used for sending and receiving data, and is an interface for the communication device 600 to communicate with other communication devices.

The processor 620 controls the operation of the communication device, and the processor 620 may also be referred to as a CPU (Central Processing Unit, central processing unit). The processor 620 may be an integrated circuit chip with signal processing capability. Processor 620 may also be a general purpose processor, digital signal processor (DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components . A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The processor 620 is configured to execute the instructions to implement the method provided by any one of the first embodiment to the second embodiment of the transmission enhancement method of the present application and any non-conflicting combination.

The communication device in this embodiment may be user equipment, or may be an independent component that can be integrated in the user equipment, such as a baseband board.

As shown in FIG. 7 , which is a schematic structural diagram of a communication device according to the second embodiment of the present application, the communication device 700 includes a memory 710 , a processor 720 , and a communication circuit 730 . The memory 710 and the communication circuit 730 are respectively connected to the processor 720 .

Memory 710 may include read-only memory and/or random access memory, among others, and provide instructions and data to processor 720 . A portion of memory 710 may also include non-volatile random access memory (NVRAM). Memory 710 stores instructions.

The communication circuit 730 is used for sending and receiving data, and is an interface for the communication device 700 to communicate with other communication devices.

The processor 720 controls the operation of the communication device, and the processor 720 may also be referred to as a CPU (Central Processing Unit, central processing unit). The processor 720 may be an integrated circuit chip with signal processing capability. Processor 720 may also be a general purpose processor, digital signal processor (DSP), application specific integrated circuit (ASIC), off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components . A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.

The processor 720 is configured to execute the instructions to implement any one of the third embodiments of the transmission enhancement method of the present application and the method provided by any non-conflicting combination.

The communication device in this embodiment may be a base station, or may be an independent component that can be integrated in the base station, such as a baseband board.

As shown in FIG. 8 , which is a schematic structural diagram of a non-volatile computer-readable storage medium according to an embodiment of the present application, the non-volatile computer-readable storage medium 800 internally stores an instruction 801, and when the instruction 801 is executed, the following The transmission enhancement method of the present application is provided by any one of the above-mentioned first and second embodiments and any non-conflicting combination.

The non-volatile computer-readable storage medium 800 may be a portable storage medium such as a U disk or an optical disk, or a base station or an independent component that can be integrated in the base station, such as a baseband board.

As shown in FIG. 9, which is a schematic structural diagram of a non-volatile computer-readable storage medium according to an embodiment of the present application, the non-volatile computer-readable storage medium 900 internally stores an instruction 901, and when the instruction 901 is executed, the following The transmission enhancement method of the present application is provided by any one of the above-mentioned third embodiments and any non-conflicting combination.

The non-volatile computer-readable storage medium 900 may be a portable storage medium such as a U disk or an optical disk, or a base station or an independent component that can be integrated in the base station, such as a baseband board.

The above are only the embodiments of the present application, and are not intended to limit the scope of the patent of the present application. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present application, or directly or indirectly applied in other related technical fields, All are similarly included in the scope of patent protection of the present application.

Claims

A transmission enhancement method, comprising:

receiving a PDCCH transmission configured with a first set of search spaces and its associated first set of control resources and a second set of search spaces and its associated second set of control resources;

determining and decoding a first PDCCH candidate according to the first search space set and the first control resource set to obtain connection relationship information between the first PDCCH candidate and the second PDCCH candidate;

obtaining the second search space set according to the indication information, wherein the indication information is used to indicate the second search space set;

The second PDCCH candidate is monitored and decoded according to the second search space set, the second space resource set, and the connection relationship information.
The method of claim 1, wherein both the first set of search spaces and the second set of search spaces are available, and wherein the first set of search spaces and the second set of search spaces are And the indication information is configured by high layer signaling.
The method of claim 2, wherein the configuration information of the second search space set is obtained from high-level search space configuration information;

Obtaining the second search space set according to the indication information includes:

The configuration information of the second search space set is obtained from the high-level search space configuration information, so as to obtain the second search space set.
The method according to claim 2, wherein the indication information indicates that the index value of the second search space set is indicated by a newly added parameter in the high-level parameter SearchSpace of the first search space set;

Obtaining the second search space set according to the indication information includes:

From a parameter newly added in the high-level parameter SearchSpace of the first search space set, the index value of the second search space set is obtained, so as to obtain the second search space set.
The method of claim 1, wherein the indication information is indicated by downlink control information carried by the first PDCCH candidate.
The method according to claim 5, wherein the indication information indicates that the index value of the second search space set is indicated by the carrying information in the downlink control information carried by the first PDCCH candidate;

Obtaining the second search space set according to the indication information includes:

The index value of the second search space set is obtained according to the carrying information in the downlink control information carried by the first PDCCH candidate, thereby obtaining the second search space set.
The method of claim 1, wherein the connection relationship information is obtained according to the first PDCCH candidate.
The method of claim 1, further comprising:

If the monitoring timings of the second PDCCH candidate and the first PDCCH candidate overlap, the second PDCCH candidate and the first PDCCH candidate are simultaneously monitored, wherein all of the second PDCCH candidate The second control resource set and the first control resource set of the first PDCCH candidate are configured with different quasi-co-location type D properties.
The method according to claim 8, wherein the quasi-co-location types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are all quasi-co-location types D, And the indicated source reference signal types are not the same.
The method of claim 8, wherein the source reference signal types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are different, and the indicated receive The directions of the beams are the same or different.
The method of claim 8, wherein the source reference signals indicated in the transmission configuration indication states of the first control resource set and the second control resource set are of the same type, and the indicated reference signals are of the same type. The airspace receiving parameters are different.
The method of claim 11, wherein the user equipment receives PDCCH transmissions using a first panel and a second panel, wherein a first quasi-co-location type D configuration is configured on the first panel, and the first panel is configured with a first quasi-co-location type D configuration. A second quasi-co-location type D configuration is configured on the two panels, and the first quasi-co-location type D configuration is different from the second quasi-co-location type D configuration.
A transmission processing method, comprising:

performing a PDCCH transmission configured with a first set of search spaces and its associated first set of control resources and a second set of search spaces and its associated second set of control resources, the second set of search spaces consisting of Indication information.
The method of claim 13, wherein:

Both the first set of search spaces and the second set of search spaces are available, and the first set of search spaces and the second set of search spaces and the indication information are configured by higher layer signaling.
The method of claim 14, wherein the indication information indicates that the configuration information of the second search space set is obtained from high-level search space configuration information.
The method of claim 14, wherein the indication information indicates that the index value of the second search space set is indicated by a newly added parameter in the high-level parameter SearchSpace of the first search space set.
The method of claim 13, wherein the indication information is the downlink control information carried by the first PDCCH candidate determined and decoded according to the first search space set and the first control resource set instruct.
The method of claim 17, wherein the indication information indicates that the index value of the second search space set is indicated by carrying information in downlink control information carried by the first PDCCH candidate.
The method of claim 13, wherein the second control resource set and the first control resource set are configured with different quasi-co-location type D properties.
The method according to claim 19, wherein the quasi-co-location types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are all quasi-co-location types D, And the indicated source reference signal types are not the same.
The method of claim 19, wherein the source reference signal types indicated in the transmission configuration indication states of the first control resource set and the second control resource set are different, and the indicated receive The directions of the beams are the same or different.
The method of claim 19, wherein the source reference signals indicated in the transmission configuration indication states of the first control resource set and the second control resource set are of the same type, and the indicated reference signals are of the same type. The airspace receiving parameters are different.
The method of claim 22, wherein if the PDCCH transmission is received by a first panel and a second panel, a first quasi-co-location type D configuration is configured on the first panel, and the first panel is configured with a first quasi-co-location type D configuration. A second quasi-co-location type D configuration is configured on the two panels, and the first quasi-co-location type D configuration is different from the second quasi-co-location type D configuration.
A user equipment, characterized in that, when applied to a multi-TRP system, comprising: a processor, a memory and a communication circuit, the memory stores an instruction, and when the instruction is executed by the processor, the processor causes the processor to pass The communication circuit performs the method of any of claims 1-12.
A base station, characterized in that, when applied to a multi-TRP system, it includes: a processor, a memory, and a communication circuit, wherein the memory stores instructions, and when the instructions are executed by the processor, the instructions cause the processor to pass all The communication circuit performs the method of any of claims 13-23.
A non-volatile computer storage medium, characterized in that it stores instructions that, when executed, implement the method according to any one of claims 1-12.
A non-volatile computer storage medium, characterized in that it stores instructions that, when executed, implement the method according to any one of claims 13-23.