Channel measurement method and device

Abstract

The present application proposes a channel measurement method and device. A channel measurement method includes: configuring measurement resource information, the measurement resource information is used to obtain channel state information, wherein the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers; sending the measurement resource information; and receiving the channel state information sent by the terminal, where the channel state information includes channel-related parameters and / or interference-related parameters.

Description

Technical Field

[0001] The present application relates to a wireless communication network, for example, to a channel measurement method and device. Background Art

[0002] In wireless communications, path loss increases with carrier frequency, particularly in high-frequency communications, where its impact on performance becomes more pronounced. To ensure coverage, multi-element array antennas are typically used to achieve beamforming gain, which compensates for the effects of path loss. To achieve beamforming gain, the optimal beam matching the user terminal's channel must be selected.

[0003] Currently, Release 15 of the new radio access technology (NR) for the fifth generation (5G) of mobile communications uses a beam selection method based on reference signal received power (RSRP). This method uses the beam with the highest received power as the user's transmit or receive beam. However, this method does not consider the impact of co-channel interference. Therefore, in scenarios with significant interference, the RSRP-based method cannot accurately select beams. An enhanced approach is to factor interference into the beam selection method, but there is currently no effective solution for measuring or feeding back interference-related information. Summary of the Invention

[0004] The present application provides a channel measurement method and device, which enables the base station to select the optimal beam to establish a communication connection with the terminal, better reflect the role of interference in beam management, and thus select a better beam to improve system performance.

[0005] The present invention provides a channel measurement method, which includes:

[0006] Configure measurement resource information, where the measurement resource information is used to obtain channel state information, wherein the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers;

[0007] Send measurement resource information.

[0008] The present invention provides a channel measurement method, which includes:

[0009] receiving measurement resource information, where the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers;

[0010] Acquire channel state information according to the measurement resource information, where the channel state information includes channel-related parameters and / or interference-related parameters;

[0011] Transmit channel state information to the base station.

[0012] The present invention provides a method for determining spatial reception parameters, including:

[0013] Determine group information associated with Class A channels and / or signals;

[0014] Determining, based on the determined group information associated with the Class A channels and / or signals, at least one of the following: spatial reception parameters of at least one class of channels and / or signals among the Class A channels and / or signals, and a transmission mode of the Class A channels and / or signals;

[0015] The intersection of the time domain resources occupied by the Category A channels and / or signals is not empty, and A is a positive integer greater than or equal to 2.

[0016] The present embodiment provides a channel measurement device, including:

[0017] a configuration module, configured to configure measurement resource information, where the measurement resource information is used to obtain channel state information, wherein the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers;

[0018] The sending module is configured to send measurement resource information.

[0019] An embodiment of the present application provides a channel measurement device, including:

[0020] A receiving module configured to receive measurement resource information, wherein the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers;

[0021] a measurement module, configured to obtain channel state information according to the measurement resource information, where the channel state information includes channel-related parameters and / or interference-related parameters;

[0022] The sending module is configured to transmit channel state information to the base station.

[0023] An embodiment of the present application provides a device for determining a spatial reception parameter, characterized by comprising:

[0024] a group information determination module configured to determine group information associated with Class A channels and / or signals;

[0025] a parameter determination module configured to determine, based on the determined group information associated with the Class A channels and / or signals, at least one of the following: spatial reception parameters of at least one class of channels and / or signals among the Class A channels and / or signals, and a transmission mode of the Class A channels and / or signals;

[0026] The intersection of the time domain resources occupied by the Category A channels and / or signals is not empty, and A is a positive integer greater than or equal to 2. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 Schematic diagram of multi-beam transmission;

[0028] Figure 2 A flow chart of a channel measurement method provided by an embodiment;

[0029] Figure 3 This is a schematic diagram of the relationship between CMR and IMR resources;

[0030] Figure 4 A flow chart of another channel measurement method provided by an embodiment;

[0031] Figure 5 A schematic structural diagram of a channel measurement device provided by an embodiment;

[0032] Figure 6 A schematic structural diagram of another channel measurement device provided by an embodiment;

[0033] Figure 7 A schematic structural diagram of a device for determining spatial reception parameters provided by an embodiment;

[0034] Figure 8 A schematic structural diagram of a base station provided in one embodiment;

[0035] Figure 9 A schematic diagram of the structure of a terminal provided by an embodiment. DETAILED DESCRIPTION

[0036] The embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0037] In wireless communication technology, a solution has been proposed to use multi-element array antennas to perform multi-beam forming, thereby increasing beam gain and compensating for path loss. Figure 1 As shown, Figure 1 is a schematic diagram of multi-beam transmission. Figure 1In this scenario, multi-beam communication is implemented between the base station and the terminal using multiple array antennas. To achieve beam gain, the optimal beam matching the terminal's channel must be selected. The current beam selection method uses RSRP. However, due to the multi-beam forming implemented by the base station and the terminal, other beams on the same frequency can interfere with the selected beam, affecting beam selection. Therefore, accurate measurement of beam channel and interference information is required to accurately select beams based on the measurement results.

[0038] Figure 2 A flow chart of a channel measurement method provided by an embodiment is shown in FIG. Figure 2 As shown, the method provided in this embodiment includes the following steps.

[0039] Step S2010: configure measurement resource information, where the measurement resource information is used to obtain channel state information. The measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers.

[0040] The channel measurement method provided in this embodiment is applied to a base station device (hereinafter referred to as a base station) in a wireless communication system. The base station allocates various transmission resources to a terminal and sends various configuration information to the terminal so that the terminal can determine the resources to be used for transmission and the various measurements or transmission instructions to be performed.

[0041] When a base station and a terminal implement multi-beamforming using multi-element array antennas, the terminal needs to measure the multiple beams formed by the base station and transmit the measured beam status to the base station. This allows the base station to select the beam with the highest gain as the optimal beam to establish a channel with the terminal for data transmission. Currently, the terminal measures the RSRP of each beam and provides feedback, selecting the beam with the highest received power as the beam used by the terminal. However, this approach does not consider interference from other beams on the same frequency, which may affect beam selection.

[0042] To address the above issues, in this embodiment, the base station configures measurement resource information, which is used to obtain channel state information. The measurement resource information includes N channel measurement resource (CMR) information and M interference measurement resource (IMR) information, where N and M are positive integers. The base station configures the measurement resource information in a report configuration or reporting setting. The N CMR information is used by the terminal to measure the channel state of each beam, and the M IMR information is used by the terminal to measure the interference experienced by each beam.

[0043] CMR information (CMR setting or CMR config) includes a channel measurement resource set (CMR set) and / or a channel measurement resource subset (CMR sub set). A channel measurement resource set includes at least one channel measurement resource subset, a channel measurement resource set includes at least one channel measurement resource, and a channel measurement resource subset includes at least one channel measurement resource. Among them, the channel measurement resource represents the reference signal resource used for channel measurement, including but not limited to Channel State Information-Reference Signal (CSI-RS) resources, Synchronization Signals Block (SSB) resources, Physical Broadcast Channel (PBCH) resources, Synchronization Broadcast Block / Physical Broadcast Channel (SSB / PBCH) resources, and uplink sounding reference signal (SRS) resources. Among them, CSI-RS resources mainly refer to non-zero power channel state information-reference signal (NZP-CSI-RS) resources. When the channel measurement resource set includes only one channel measurement resource subset, the channel measurement resource information is the channel measurement resource set; otherwise, it may be the channel measurement resource subset.

[0044] In an embodiment of the present application, the channel measurement resources in each channel measurement resource subset have the same spatial characteristics, and / or the channel measurement resources in different channel measurement resource subsets have different spatial characteristics.

[0045] A specific channel measurement resource configuration method is as follows: the lth channel measurement resource set is divided into Kl channel measurement resource subsets according to a predetermined method, such as spatial characteristics, where Kl is a positive integer, l = 1, ..., N. Each channel measurement resource subset includes at least one channel measurement resource, and the channel measurement resources included in a channel measurement resource subset have the same spatial characteristics, while the channel measurement resources in different channel measurement resource subsets have different spatial characteristics. For example, a channel measurement resource set is divided into K subsets, and the i-th channel measurement resource subset includes Li channel measurement resources, wherein the channel measurement resources in the Li-th channel measurement resource subset all have the same spatial characteristics, while a channel measurement resource in the Li-th channel measurement resource subset and a channel measurement resource in the Lj-th channel measurement resource subset have different spatial characteristics, i, j = 1, ..., K, and i is not equal to j. Here, the number of channel measurement resource subsets included in each channel measurement resource set can be different or the same, and the number of channel measurement resources included in each channel measurement resource subset can also be the same or different. Here, a channel measurement resource subset in the channel measurement resource set may also be configured according to higher layer signaling.

[0046] The channel measurement resource identifiers (IDs) contained in the channel measurement resource set and / or the channel measurement resource subset are uniformly sorted or overall sorted, so the channel measurement resource IDs contained in the channel measurement resource set and / or the channel measurement resource subset are uniquely numbered and there will be no duplicate IDs.

[0047] IMR information (IMR setting or IMR config) includes at least one of an interference measurement resource set (IMR set), an interference measurement resource subset (IMR sub set), and an interference measurement resource sub-sub set (IMR sub sub set). An interference measurement resource set includes at least one interference measurement resource subset, an interference measurement resource set includes at least one interference measurement resource, an interference measurement resource subset includes at least one interference measurement resource sub-sub set, and an interference measurement resource sub-sub set includes at least one interference measurement resource. The interference measurement resource represents a reference signal resource used for interference measurement, including but not limited to a non-zero power channel state information-reference signal (NZP-CSI-RS) resource for measuring interference, a channel state information interference measurement (CSI-IM) resource, and a zero power channel state reference signal (ZP-CSI-RS) resource. Among them, the NZP-CSI-RS interference measurement resource will be configured with a sequence resource, that is, a measurement reference signal, and the interference power is obtained based on the measurement reference signal in the NZP-CSI-RS interference measurement resource. The CSI-IM interference measurement resource will not be configured with a sequence resource, that is, no measurement reference signal is configured. The power received on the CSI-IM interference measurement resource is the power of the interference. Generally speaking, there is no parameter configuration such as quasi-co-location. For example: the IMR information includes M interference measurement resource sets, the sum of the number of all interference measurement resource subsets included in the M information interference measurement resource sets is M1, and / or the sum of the number of all interference measurement resource sub-subsets included in the M interference measurement resource sets is M2. Then M1 and / or M2 is greater than 1. When the interference measurement resource set includes only one interference measurement resource subset, the interference measurement resource information is the interference measurement resource set, otherwise it can be the interference measurement resource subset. If the interference measurement resource subset is divided into interference measurement resource sub-subsets, then the interference measurement resource information is the interference measurement resource sub-subset.

[0048] In an embodiment of the present application, the interference measurement resources in each interference measurement resource subset have the same spatial characteristics, and / or the interference measurement resources in different interference measurement resource subsets have different spatial characteristics.

[0049] A specific interference measurement resource configuration method is as follows: the interference measurement resource information includes an interference measurement resource set and / or an interference measurement resource subset and / or an interference measurement resource sub-subset; when the interference measurement resource information is an interference measurement resource set, the lth interference measurement resource set is divided into Ol interference measurement resource interference measurement resource subsets based on spatial characteristics, where Ol is a positive integer, and l = 1, ..., M. The interference measurement resource subsets include at least one interference measurement resource, and the interference measurement resources included in the interference measurement resource subsets have the same spatial characteristics, while the interference measurement resources in different interference measurement resource subsets have different spatial characteristics. For example, the interference measurement resource set is divided into O subsets, the i-th interference measurement resource subset includes Li IMRs, wherein the interference measurement resources in the Li-th interference measurement resource subset all have the same spatial characteristics, and an interference measurement resource in the Li-th interference measurement resource subset and an interference measurement resource in the Lj-th interference measurement resource subset have different spatial characteristics, where i, j = 1, ..., K, and i is not equal to j. Here, the number of interference measurement resource subsets protected by each interference measurement resource set may be different or the same. Furthermore, the interference measurement resource subset may be further subdivided into at least one interference measurement resource sub-subset.

[0050] The interference measurement resource IDs included in the interference measurement resource set and / or the interference measurement resource subset are uniformly sorted or overall sorted, so the interference measurement resource IDs included in the interference measurement resource set and / or the interference measurement resource subset are uniquely numbered and there will be no repeated IDs.

[0051] For example, N channel measurement resource information includes one of the following specific configurations: A1: N channel measurement resource sets, each channel measurement resource set includes at least one channel measurement resource, and each channel measurement resource set has only one channel measurement resource subset. A2: N = 1 channel measurement resource set, each channel measurement resource set is divided into K channel measurement resource subsets, and each channel measurement resource subset includes at least one channel measurement resource set. A3: N > 1 channel measurement resource set, the i-th channel measurement resource set is divided into Ki channel measurement resource subsets, and each channel measurement resource subset includes at least one channel measurement resource, where i = 1, ..., N.

[0052] The M interference measurement information includes one of the following specific configurations: B1: M interference measurement resource sets, each interference measurement resource set includes at least one interference measurement resource, and each interference measurement resource set has only one interference measurement resource subset. B2: M=1 interference measurement resource set, each interference measurement resource set is divided into O interference measurement resource subsets, each interference measurement resource subset includes at least one interference measurement resource, or further, each interference measurement resource subset is divided into at least one interference measurement resource sub-subset. B3: M>1 interference measurement resource set, the i-th interference measurement resource set is divided into Oi interference measurement resource subsets, each interference measurement resource subset includes at least one interference measurement resource, i=1,…,M, or further, each interference measurement resource subset is divided into at least one interference measurement resource sub-subset.

[0053] A channel measurement resource set or a channel measurement resource subset in any configuration A1, A2, or A3 of the channel measurement resource information can be associated with an interference measurement resource set or an interference measurement resource subset or an interference measurement resource sub-subset in any configuration B1, B2, or B3 of the interference measurement resource information. In one embodiment, a channel measurement resource set in A1 is associated with an interference measurement resource set in B1; a channel measurement resource subset in A2 is associated with an interference measurement resource subset and / or an interference measurement resource sub-subset in B2; a channel measurement resource subset in A3 is associated with an interference measurement resource subset and / or an interference measurement resource sub-subset in B3; and a channel measurement resource subset in A2 is associated with an interference measurement resource subset and / or an interference measurement resource sub-subset in B3. Which channel measurement resource subset (set) is associated with or corresponds to which interference measurement resource subset (set) is pre-defined, or configured by the base station, or determined by signaling, and the signaling includes physical layer signaling and / or high layer signaling.

[0054] Figure 3 This is a schematic diagram of the relationship between CMR and IMR resources.

[0055] Step S2020: Send measurement resource information.

[0056] After configuring the measurement resource information, the base station can send the measurement resource information to the terminal. The base station can send the measurement resource information to the terminal through any downlink control channel.

[0057] After receiving the measurement resource information, the terminal may measure the channel and the interference respectively according to the N channel measurement resource information and the M interference measurement resource information included in the measurement resource information.

[0058] The terminal receives channel measurement resource information and interference measurement resource information configured by the base station, obtains association information between the channel measurement resource information and the interference measurement resource information, and calculates channel state information using the channel measurement resource information and the interference measurement resource information and their association. For example, the channel state information is calculated using the channel measurement resources of the i-th channel measurement resource subset and the interference measurement resources of the j-th interference measurement resource subset, where the i-th channel measurement resource subset (set) and the j-th interference measurement resource subset (set) have an association relationship, i=1, ..., N, j=1, ..., M, and N and M are the number of channel measurement resource subsets (sets) and interference measurement resource subsets (sets), respectively.

[0059] Optionally, after sending the measurement resource information, the base station may also receive channel state information from the terminal. The channel state information includes channel-related parameters and / or interference-related parameters. Upon receiving the channel state information from the terminal, the base station can determine the channel state and interference situation of each beam emitted by the base station with respect to the terminal. The base station can then select the optimal beam to establish a communication connection with the terminal for data transmission.

[0060] The base station receives various measured parameters, i.e., channel state information, sent by the terminal. The channel state information includes channel-related parameters and / or interference-related parameters. The channel-related parameters are parameters measured by the terminal in response to channel measurement resources, and the interference-related parameters are parameters measured by the terminal in response to interference measurement resources.

[0061] The channel state information includes at least one of the following: channel state information-reference signal resource indicator (CSI-RSResource Indicator, CRI), interference measurement resource indicator (Interference Measurement Resource Indicator, IMRI), synchronization signal block resource indicator (Synchronization Signals Block Resource Indicator, SSBRI), RSRP, differential RSRP (Differential RSRP), interference quality indicator (Interference quality indicator, IQI), differential IQI (Differential IQI). Among them, the interference quality indicator includes but is not limited to at least one of the following: interference reference signal received power (Interference Reference Signal Received Power, IRSRP), level 1 signal-to-interference-plus-noise ratio (L1-signal-to-interference-plus-noise ratio, L1-SINR), differential IQI includes at least one of the following: differential interference reference signal received power (Differential IRSRP) (i.e., the difference between IRSRPi and IRSRP or the difference between IRSRPi and RSRP, where IRSRPi represents the IRSRPi obtained by the i-th interference resource information), the difference between L1-SINRi and L1-SINR, where L1-SINRi represents the ratio of the average power of the resource corresponding to the i-th channel measurement information and the average received power of the interference measurement resource corresponding to the i-th interference measurement information, such as the average received power of the CSI-RS resource in the channel measurement information (including the channel measurement information set or the channel measurement information subset), and the received power ratio of the corresponding interference measurement information (wherein, the received power of the interference measurement information includes an NZP CSI-RS average received power or a ZP CSI-RS received power or the sum of an NZP CSI-RS average received power and a ZP CSI-RS received power in the interference measurement information set or the interference measurement information subset or the interference measurement information sub-subset, where the NZP CSI-RS here can also be replaced with an SSB resource). The channel state information includes channel-related parameters and interference-related parameters. The channel-related parameters include at least one of the following: CRI, SSBRI, RSRP, differential RSRP; the interference-related parameters include at least one of the following: IMRI, IQI, differential IQI.

[0062] The Channel State Information-Reference Signal Resource Indicator (CSI-RS Resource Indicator, CRI) takes a value of i to represent the i-th CSI-RS resource, i = 0, 1, ... N, where N is the number of CSI-RS resources. The Synchronization Signals Block Resource Indicator (SSBRI) takes a value of i to represent the i-th SSB and / or PBCH resource, i = 0, 1, ... N1, where N1 is the number of SSB resources. The Interference Measurement Resource Indicator (IMRI) takes a value of i to represent the i-th IMR resource, i = 0, 1, ... N1, where N1 is the number of IMR resources.

[0063] The channel measurement method provided in this embodiment first configures measurement resource information, where the measurement resource information is used to obtain channel state information. The measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers. The measurement resource information is then sent to the terminal, so that the terminal can measure the channel conditions and interference conditions of multiple beams generated by the base station, which can better reflect the role of interference in beam management, thereby selecting a better beam to improve system performance.

[0064] In one embodiment, when configuring measurement resource information, the association relationship between N channel measurement resource information and M interference measurement resource information may also be determined according to a preset rule. The association relationship between the N channel measurement resource information and the M interference measurement resource information may be preset in the base station or in the terminal. If the association relationship is preset in the base station, the base station sends a first signaling to the terminal after determining the association relationship, and the first signaling is used to determine the association relationship between the N channel measurement resource information and the M interference measurement resource information. The association relationship between the N channel measurement resource information and the M interference measurement resource information may also be referred to as an association relationship. The association relationship here includes at least one of the following: the value of a parameter is obtained based on the value of another parameter; the value range of a parameter is obtained based on the value or value range of another parameter; certain value combinations of two parameters cannot appear at the same time; parameter 2 is configured as associated with parameter 1 in the configuration information of parameter 1; the relationship between the two parameters is determined by the first signaling and / or a predetermined rule.

[0065] The above-mentioned predetermined rule is that the channel measurement resource information having the same index as the interference measurement resource information and the same index as the interference measurement resource information has an association relationship with the interference measurement resource information, specifically including but not limited to one of the following: the interference measurement resource subset having the same interference measurement resource subset ID as the channel measurement resource subset ID has an association relationship or a correspondence relationship with the channel measurement resource subset; the interference measurement resource subset having the same interference measurement resource subset ID as the channel measurement resource subset has an association relationship or a correspondence relationship with the channel measurement resource subset; the interference measurement resource subset having the same interference measurement resource subset ID as the channel measurement resource subset ID has an association relationship or a correspondence relationship with the channel measurement resource; the interference measurement resource set having the same interference measurement resource set ID as the channel measurement resource set ID has an association relationship or a correspondence relationship with the channel measurement resource set.

[0066] The above-mentioned predetermined rule is a one-to-one correspondence relationship based on the index of the channel measurement resource information and the index of the interference measurement resource information. Specifically, it includes but is not limited to: the i-th interference measurement resource subset is associated with the i-th channel measurement resource subset; the i-th interference measurement resource subset is associated with the i-th channel measurement resource subset; the i-th interference measurement resource subset is associated with the i-th interference measurement resource; the i-th interference measurement resource set is associated with the i-th interference measurement resource set, where i=1, ..., N, where N is the number of channel measurement resource information or interference measurement resource information.

[0067] The predetermined rule is to determine the association relationship between the channel measurement resource information and the interference measurement resource information based on the spatial characteristics of the channel measurement resource information and the interference measurement resource information. That is, the channel measurement resource information and the interference measurement resource information having the same spatial characteristics as the channel measurement resource information and the interference measurement resource information have an association relationship. This includes one of the following:

[0068] A channel measurement resource in the channel measurement resource information and an interference measurement resource in the interference measurement resource information have the same spatial characteristics, so they are associated;

[0069] A channel measurement resource subset in the channel measurement resource information and an interference measurement resource subset in the interference measurement resource information have the same spatial characteristics, so they are associated;

[0070] A channel measurement resource subset in the channel measurement resource information and an interference measurement resource sub-subset in the interference measurement resource information have the same spatial characteristics, so they are associated;

[0071] A channel measurement resource set in the channel measurement resource information and an interference measurement resource set in the interference measurement resource information have the same spatial characteristics, so they are associated.

[0072] The channel measurement resource information and interference measurement resource information that are associated with each other can be sent or received at the same time.

[0073] In this article, association relationship and correspondence relationship are equivalent concepts and can be replaced with each other.

[0074] The first signaling may be high-layer signaling and / or physical layer signaling. The high-layer signaling includes at least one of the following: a resource information link list, a resource information link state, and a resource information bitmap mapping. The first signaling sent by the base station or received by the terminal, wherein the first signaling is used to determine an association or correspondence between the interference measurement resource information and the channel measurement resource information;

[0075] The resource information link list (BeamManageStateList) includes at least one resource information link state (BeamManageState), which is used to determine the association between a channel measurement resource information and at least one interference measurement resource information. Each resource information link state carries one of the following information:

[0076] The interference measurement resource subset corresponding to the interference measurement resource subset ID and the channel measurement resource subset ID carried by the resource information link state is associated with the channel measurement resource subset; the interference measurement resource subset corresponding to the interference measurement resource subset ID and the channel measurement resource subset ID carried by the resource information link state is associated with the channel measurement resource subset; the interference measurement resource subset corresponding to the interference measurement resource subset ID and the channel measurement resource ID carried by the resource information link state is associated with the channel measurement resource; the interference measurement resource set corresponding to the interference measurement resource set ID and the channel measurement resource set ID carried by the resource information link state is associated with the channel measurement resource set.

[0077] In addition, if the number of states N included in the resource information link list is less than or equal to L, then a physical layer signaling can be further used to dynamically trigger the selection of a resource information link in the resource information link list. If the number of resource information link states included in the resource information link list is greater than L, a MAC CE signaling is further used to select L from the N resource information link states, and physical layer signaling is further used to dynamically select one of the L resource information link states selected by the MAC CE. Where L is a higher layer signaling configuration.

[0078] The resource bitmap mapping (BeamManageBitmap) includes the association relationship between all configured channel measurement resource information and interference measurement resource information. The i-th channel measurement resource information and the j-th interference measurement resource information correspond to the i-th row and j-th column (or the j-th row and i-th column) of the two-dimensional bitmap. If the bit value of the i-th row and j-th column (or the j-th row and i-th column) is v1, it means that the i-th channel measurement resource information and the j-th interference measurement resource information are associated. If the bit value of the i-th row and j-th column (or the j-th row and i-th column) is v0, it means that the i-th channel measurement resource information and the j-th interference measurement resource information are associated or not associated, where v0 is 0, v1 is 1, or other agreed non-zero integers, i=1,...,N,j=1,...,M,N,M correspond to the number of channel measurement resource information and interference measurement resource information respectively. Here, if the first dimension of the bitmap is the interference measurement resource information, the above i-th row and j-th column needs to be changed to the j-th row and i-th column. Or

[0079] The i-th channel measurement resource information and the j-th interference measurement resource information correspond to the K=(i-1)*M+j (or K=(j-1)*N+i)th bit of the one-dimensional bit map. If the K-th bit value is v1, it means that the i-th channel measurement resource information and the j-th interference measurement resource information are associated. If the K-th bit value is v0, it means that the i-th channel measurement resource information and the j-th interference measurement resource information are associated or not associated, where v0 is 0, v1 is 1, or other agreed non-zero integers, i=1, ..., N, j=1, ..., M, N, M correspond to the number of channel measurement resource information and interference measurement resource information, respectively. Here, if the indexes of i and j start from 0, then the above expression of K is K=i*M+j, or K=j*N+i.

[0080] The first signaling determines an association or correspondence between the interference measurement resource information and the channel measurement resource information, including but not limited to configuring a BeamManageStateList, where the BeamManageStateList includes at least one BeamManageState, and each BeamManageState is configured with one of the following information:

[0081] The interference measurement resource subset ID and the channel measurement resource subset ID configured in each BeamManageState are associated with the interference measurement resource subset corresponding to each of the interference measurement resource subset ID and the channel measurement resource subset.

[0082] The interference measurement resource sub-set and the channel measurement resource sub-set corresponding to the interference measurement resource sub-set ID and the channel measurement resource sub-set ID configured in each BeamManageState are associated with each other;

[0083] The interference measurement resource sub-set and channel measurement resource set corresponding to the interference measurement resource sub-set ID and the channel measurement resource sub-set ID configured in each BeamManageState are associated with each other;

[0084] The interference measurement resource set and the channel measurement resource set corresponding to the interference measurement resource set ID and the channel measurement resource set ID configured in each BeamManageState are associated with each other.

[0085] The above-mentioned association information or correspondence is mutual, that is, if the i-th interference measurement resource information is associated or corresponds to the j-th channel measurement resource information, then the j-th channel measurement resource information is also associated or corresponds to the i-th interference measurement resource information, i=1,…,N,j=1,…,M.

[0086] The above ID represents a collection, subcollection, or resource, and is a non-negative integer.

[0087] The association relationship between the N channel measurement resource information and the M interference measurement resource information includes at least one of the following: a channel measurement resource in the channel measurement resource information is associated with an interference measurement resource in the interference measurement resource information; a channel measurement resource subset in the channel measurement resource information is associated with an interference measurement resource subset in the interference measurement resource information; a channel measurement resource subset in the channel measurement resource information is associated with an interference measurement resource subset in the interference measurement resource information; a channel measurement resource set in the channel measurement resource information is associated with an interference measurement resource set in the interference measurement resource information. The associated channel measurement resource information and interference measurement resource information can be sent simultaneously, or the associated channel measurement resource information and interference measurement resource information have the same spatial characteristics.

[0088] The spatial characteristics include at least one of the following: quasi co-location (QCL), transmission configuration indication (TCI), transmission configuration state, QCL Type D, receive spatial characteristics, transmit spatial characteristics, receive beam group, transmit beam group, receive beam, transmit beam, and spatial receive parameter (Spatial Rx Parameter). The same spatial characteristics means that at least one of the above spatial characteristic parameters has the same value. In one embodiment, the spatial characteristics mainly include QCL Type D or spatial receive parameter (Spatial Rx Parameter).

[0089] The quasi-co-location relationship between two reference signals regarding a type of quasi-co-location parameters includes at least one of the following: the quasi-co-location parameters of one reference signal can be obtained based on the quasi-co-location parameters of another reference signal; the quasi-co-location reference signals of the two reference signals regarding a type of quasi-co-location parameters are the same, for example, the quasi-co-location reference signal of CSI-RS1 regarding the spatial reception parameters is CSI-RS3, and the quasi-co-location reference signal of CSI-RS2 regarding the spatial reception parameters is CSI-RS3, then CSI-RS1 and CSI-RS2 satisfy the quasi-co-location relationship regarding the spatial reception parameters.

[0090] In one embodiment, the spatial characteristics of the interference measurement resource information are determined by the spatial characteristics of the channel measurement resource information associated with the interference measurement resource information. The interference measurement resource information here mainly includes at least one of the following: NZP CSI-RS resources, NZP CSI-RS resource sets, NZP CSI-RS resource subsets, and NZP CSI-RS resource sub-subsets.

[0091] In one embodiment, the reference pilot corresponding to the spatial characteristic of the interference measurement resource information is determined by the reference pilot corresponding to the spatial characteristic of the channel measurement resource information associated with the interference measurement resource information. For example, if the spatial characteristic value of the channel measurement resource information is A and the corresponding spatial characteristic reference pilot is B, then the spatial characteristic value of the associated interference measurement resource information is also A, and the corresponding spatial characteristic reference pilot is also B. That is, the spatial characteristic value of the interference measurement resource information and the spatial characteristic value of the associated channel measurement resource information are the same, and the corresponding spatial characteristic reference pilots are the same. Specifically, for example, the spatial characteristic of the channel measurement resource subset and the (corresponding) interference measurement resource subset or channel interference resource subset associated with the channel measurement resource subset have the same spatial reception parameters.

[0092] In one embodiment, the channel measurement resource information and the interference measurement resource information include a repetition parameter.

[0093] The interference measurement resource information and the repetition parameter of the interference measurement resource information are determined by any of the following methods: the repetition parameter of the interference measurement resource set is determined by the repetition parameter of the channel measurement resource set associated with the interference measurement resource set; the repetition parameter of the interference measurement resource subset is determined by the repetition parameter of the channel measurement resource subset associated with the interference measurement resource subset; the repetition parameter of the interference measurement resource sub-subset is determined by the repetition parameter of the channel measurement resource subset associated with the interference measurement resource subset; the repetition parameter of the interference measurement resource set and the repetition parameter of the channel measurement resource set associated with the interference measurement resource set are determined by independent high-level parameters; the repetition parameter of the interference measurement resource subset and the repetition parameter of the channel measurement resource subset associated with the interference measurement resource subset are determined by independent high-level parameters; the repetition parameter of the interference measurement resource sub-subset is determined by the repetition parameter of the channel measurement resource subset associated with the interference measurement resource subset is determined by an independent high-level parameter.

[0094] For example, if the repetition parameter value of the channel measurement resource information is on, then the repetition parameter value of the associated interference measurement resource information is also on. For example, the repetition parameter value of the interference measurement resource subset and / or the interference measurement resource sub-subset is determined based on the repetition parameter value of the channel measurement resource subset; and the repetition parameter value of the interference measurement resource subset and / or the interference measurement resource sub-subset is determined based on the repetition parameter value of the channel measurement resource.

[0095] Since the base station does not know the total number of bits of channel state information that the terminal needs to transmit when sending measurement resource information to the terminal, the base station cannot accurately schedule uplink resources. In addition, when transmitting channel state information, the terminal also needs to transmit channel state information (CSI) related parameters, hybrid automatic repeat request (HARQ) and other related parameters to the base station in addition to channel-related parameters and interference-related parameters. Among them, CSI other than channel-related parameters and interference-related parameters (CSI parameters other than channel-related parameters and interference-related parameters are collectively referred to as channel quality-related parameters in this article) includes but is not limited to at least one of the following: channel quality indicator (CQI), precoding matrix indicator (PMI), channel state information reference signal resource indicator (CSI-RS resource indicator, CRI), layer indicator (LI), rank indicator (RI). After the terminal completes the detection of the channel state information, when the uplink resources cannot transmit all the channel state information, it is necessary to discard part of the channel state information.

[0096] Then it is necessary to prioritize the channel state information, where the priority of the CSI-related parameters includes at least one of the following:

[0097] The priority of IQI is not higher than the priority of RSRP.

[0098] The priority of IMRI is not higher than that of CRI or SSBRI.

[0099] The priority of IMRI is no less than that of RI.

[0100] The priority of IMRI is no less than that of PMI.

[0101] The priority of IMRI is no less than that of LI.

[0102] The priority of IMRI is not lower than that of CQI.

[0103] IMRI takes precedence over IQI and / or Differential IQI.

[0104] The priority of IMRI is higher than the priority of RSRP and / or Differential RSRP.

[0105] The priority of RSRP is not lower than the priority of IQI and / or Differential IQI.

[0106] The priority of Differential IQI is not higher than that of Differential RSRP.

[0107] IQI and / or Differential IQI have higher priority than RI and / or LI;

[0108] The priority of IQI and / or Differential IQI is higher than the priority of PMI and / or CQI.

[0109] The terminal encodes the CSI-related parameters according to the above priorities, and may discard the parameters with lower priorities until the system coding rate requirement is met when the coding rate requirement does not meet the system coding rate requirement. The base station decodes the CSI-related parameters according to the priorities. The channel state information sent by the receiving terminal includes at least one of the following situations:

[0110] When IMRI is determined by CRI, CRI is received;

[0111] When IMRI was confirmed by SSBRI, receive SSBRI;

[0112] receiving at least one CRI, RSRP, and / or differential RSRP;

[0113] receiving at least one CRI, IQI, and / or differential IQI;

[0114] receiving at least one CRI, RSRP and / or differential RSRP, IQI and / or differential IQI;

[0115] receiving at least one SSBRI, RSRP, and / or differential RSRP;

[0116] receiving at least one SSBRI, IQI, and / or differential IQI;

[0117] receiving at least one SSBRI, RSRP and / or differential RSRP, IQI and / or differential IQI;

[0118] Receiving at least one IMRI, RSRP, and / or differential RSRP;

[0119] receiving at least one IMRI, IQI, and / or differential IQI;

[0120] receiving at least one IMRI, RSRP and / or differential RSRP, IQI and / or differential IQI;

[0121] receiving at least one CRI, at least one IMRI, RSRP, and / or differential RSRP;

[0122] receiving at least one CRI, at least one IMRI, an IQI, and / or a differential IQI;

[0123] At least one CRI, at least one IMRI, RSRP and / or differential RSRP, IQI and / or differential IQI are received.

[0124] In one embodiment, the channel state information sent by the receiving terminal can be the channel state information transmitted by the receiving terminal through uplink resources, wherein the channel-related parameters and interference-related parameters in the channel state information need to be encoded using a certain encoding method, and then the base station can use a decoding method corresponding to the terminal to implement decoding. Uplink resources include physical uplink channels and high-layer signaling. Among them, the physical uplink channel includes at least one of the following: physical uplink shared channel (PUSCH), physical uplink control channel (PUCCH), and physical random-access channel (PRACH). High-layer signaling includes radio resource control (RRC) signaling and media access control control element (MAC CE) signaling. The uplink resources here can all be used to transmit channel state information.

[0125] To facilitate describing how channel state information is transmitted in a report, the channel state information must first be encoded. Before encoding, the number of bits for each channel state information variable must be determined. The current standard already defines the number of bits for parameters such as CRI, SSBRI, and RSRP, as shown in Table 1.

[0126] Table 1

[0127]

[0128] in, is the number of CSI-RSs in the CSI-RS resource set where the CSI-RS is located, is the number of SS / PBCH blocks in the SS / PBCH resource set corresponding to the SS / PBCH.

[0129] Tables 2 and 3 show the bit numbers of IMRI, IQI, and Differential IQI. Table 2 does not include IMRI because IMRI may be implicitly transmitted by CRI.

[0130] Table 2

[0131]

[0132] Table 3

[0133]

[0134] in, is the number of interference measurement resource subsets and / or the number of interference measurement resource sets, and a and b are positive integers, for example, a=7 and b=4.

[0135] Alternatively, the bit widths of all channel state information are combined into one table 4.

[0136] Table 4

[0137]

[0138] It should be noted that if IMRI is implicitly indicated by CRI or SSBRI, then Table 4 is replaced by Table 5:

[0139] Table 5

[0140]

[0141] After knowing the transmission bits of the channel state information and their priorities, the channel state information can be encoded and transmitted to the base station in uplink resources.

[0142] The specific method of encoding the channel state information can be carried out in the following three ways:

[0143] 1) The channel-related parameters and interference-related parameters in the channel state information are jointly encoded in one coding block.

[0144] At this time, the uplink resource is PUCCH, and the channel-related parameters and interference-related parameters in the channel state information are jointly encoded. The specific encoding method is shown in Table 6.

[0145] Table 6

[0146]

[0147] 2) The channel-related parameters and interference-related parameters in the channel state information are encoded independently in two coding blocks.

[0148] At this time, the uplink resource is PUCCH, and the channel-related parameters and interference-related parameters in the channel state information are independently encoded, as shown in Figure 7 and Table 8, where Table 7 shows the encoding method of the channel-related parameters and Table 8 shows the encoding method of the interference-related parameters.

[0149] Table 7

[0150]

[0151] Table 8

[0152]

[0153] 3) When the channel state information includes RSRP and IQI, RSRP is encoded in the first part of the coding block, and IQI is encoded in the broadband or subband part of the second part of the coding block; when the channel state information includes differential RSRP and IQI, differential RSRP is encoded in the first part of the coding block, and IQI is encoded in the broadband or subband part of the second part of the coding block; when the channel state information includes RSRP and differential IQI, RSRP is encoded in the first part of the coding block, and differential IQI is encoded in the broadband or subband part of the second part of the coding block; when the channel state information includes differential RSRP and differential IQI, differential RSRP is encoded in the first part of the coding block, and differential IQI is encoded in the broadband or subband part of the second part of the coding block; when the channel state information includes IQI but does not include RSRP and / or differential RSRP, IQI is encoded in the first part of the coding block; when the channel state information includes differential IQI but does not include RSRP and / or differential RSRP, IQI is encoded in the first part of the coding block; wherein, the transmission priority of the first part of the coding block is higher than the transmission priority of the second part of the coding block. That is, after the terminal completes the encoding, it preferentially transmits the information encoded in the first part of the encoding block.

[0154] Among them, at least one of CRI, SSBRI, and IMIR is encoded in the first part of the coding block, as shown in Table 9, and at least one of IQI, RSRP, Differential IQI, and Differential RSRP is encoded in the second part of the coding block, as shown in Table 10.

[0155] Table 9

[0156]

[0157]

[0158] Table 10

[0159]

[0160] It should be noted that if only one of the IQI and RSRP parameters exists, it can be encoded only in the first coding block. The terminal encodes the channel state information according to the methods in Tables 6-10. If other CSI parameters are also present, they can also be encoded together. The encoded data is modulated and resource mapped before being transmitted to the base station on the PUCCH. The base station receives the channel state information on the PUCCH resources and obtains beamforming-related parameters through a series of operations such as demodulation and decoding.

[0161] In addition, if transmitted on the PUSCH, other coding methods may exist in addition to those in Tables 6-10, such as the coding methods shown in Tables 11-13. In Table 11, all channel state information is encoded in the first coding block of the CSI report; in Table 12, at least one of the following parameters is encoded in the first coding block of the CSI report: CRI, SSBRI, IMRI, RSRP, and Differential RSRP; Table 13 indicates that at least one of the following parameters is encoded in the wideband portion of the second coding block of the CSI report: IQI and Differential IQI.

[0162] Table 11

[0163]

[0164] Table 12

[0165]

[0166] Table 13

[0167]

[0168] That is, for PUSCH transmission, one of the following features is further included:

[0169] The channel-related parameters and the interference-related parameters are jointly encoded in the first coding block of the CSI report, or the CRI, SSBRI, IMR and at least one of RSRP and Differential RSRP are encoded in the first coding block of the CSI report, and at least one of the IQI and Differential IQI is encoded in the wideband part of the first coding block of the CSI report or the subband part of the first coding block of the CSI report.

[0170] The terminal encodes the channel state information in the manner shown in Tables 6 to 13. If other CSI parameters are present, they can also be encoded together. The encoded data is modulated, resource mapped, and other operations are performed before being transmitted to the base station on the PUSCH. The base station receives the channel state information on the PUSCH resources and obtains beamforming-related parameters through a series of operations such as demodulation and decoding.

[0171] It should be noted that the terminal may also encode the channel state information in the manner of Table 6 to Table 13, and transmit some channel state information on the PUCCH, while transmitting the other part of the channel state information on the PUSCH or higher layer signaling.

[0172] It should be noted that Tables 6 to 13 are only some embodiments of encoding channel state information. There may also be other encoding methods for arbitrarily combining and splitting the channel state information, which are not listed here one by one.

[0173] Figure 4 A flow chart of another channel measurement method provided by an embodiment, such as Figure 4 As shown, the method provided in this embodiment includes the following steps.

[0174] Step S4010: Receive measurement resource information, where the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers.

[0175] The channel measurement method provided in this embodiment is applied to a terminal device (hereinafter referred to as a terminal) in a wireless communication system. The terminal completes data transmission based on the transmission resources allocated by the base station, receives various configuration information sent by the base station, determines the required transmission resources based on the various configuration information, and executes the measurement instructions indicated by the various configuration information.

[0176] When a base station and a terminal implement multi-beamforming using multi-element array antennas, the terminal needs to measure the multiple beams formed by the base station and transmit the measured beam status to the base station. This allows the base station to select the beam with the highest gain as the optimal beam to establish a channel with the terminal for data transmission. Currently, the terminal measures and transmits the RSRP of each beam, selecting the beam with the highest received power as the beam used by the terminal. However, this method does not consider interference from other beams on the same frequency, which may affect beam selection.

[0177] To solve the above problem, in this embodiment, the terminal receives measurement resource information sent by the base station, where the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers.

[0178] The specific meaning and mutual relationship of the measurement resource information, as well as the N channel measurement resource information and M interference measurement resource information in the measurement resource information are described in Figure 2 The embodiments shown have been described in detail and will not be repeated here.

[0179] Step S4020: Acquire channel state information according to the measurement resource information, where the channel state information includes channel-related parameters and / or interference-related parameters.

[0180] After receiving the measurement resource information, the terminal can measure the channel and interference respectively according to the N channel measurement resource information and M interference measurement resource information included in the measurement resource information to obtain channel state information, where the channel state information includes channel-related parameters and / or interference-related parameters.

[0181] The meaning of channel state information and the relationship between channel-related parameters and interference-related parameters are Figure 2 The embodiments shown have been described in detail and will not be repeated here.

[0182] Step S4030: Transmit channel state information to the base station.

[0183] After acquiring the channel state information, the terminal transmits it to the base station. The base station receives the various measured parameters sent by the terminal, namely the channel state information, which includes channel-related parameters and / or interference-related parameters. Channel-related parameters are parameters measured by the terminal in response to channel measurement resources, and interference-related parameters are parameters measured by the terminal in response to interference measurement resources. Upon receiving the channel state information sent by the terminal, the base station can determine the channel state and interference conditions of each beam emitted by the base station for the terminal, thereby enabling the base station to select the optimal beam to establish a communication connection with the terminal for data transmission.

[0184] for Figure 4 In the illustrated embodiment, the composition and mutual relationship of channel measurement resources and interference measurement resources, the composition and mutual relationship of channel-related parameters and interference-related parameters, how the base station transmits channel state information to the base station, and the specific method of how to encode the channel state information have been described in detail in the above embodiments and will not be repeated here.

[0185] It should be noted that in the embodiment of the present application, only the example of the base station configuring measurement resource information, measuring resource information to the terminal, and then receiving the channel state information sent by the terminal is used for explanation, that is, the channel state information is transmitted through uplink resources. However, in fact, since the current terminal also supports multi-beam endowment, for the base station and the terminal, the channel state information can also be transmitted through downlink resources, that is, the base station transmits the channel state information to the terminal, so that the terminal selects a suitable uplink beam. The specific method is similar to the method provided in the embodiment of the present application, and the only difference is that the uplink resource is changed to a downlink resource. Those skilled in the art can realize the transmission of channel state information on the downlink resource according to the channel measurement method provided in the present application, and will not be repeated in this embodiment.

[0186] In addition, currently, for the same receiving end, the same receiving beam is used to receive signals on the same symbol. This does not allow for flexible reception of channels or signals based on the channel characteristics corresponding to different TRPs when multiple transmit receive points (TRPs) are jointly transmitting. To this end, the present application also provides a spatial reception parameter.

[0187] A spatial reception parameter includes: determining group information associated with Class A channels and / or signals;

[0188] Determining, based on the determined group information associated with the Class A channels and / or signals, at least one of the following: spatial reception parameters of at least one class of channels and / or signals among the Class A channels and / or signals, and a transmission mode of the Class A channels and / or signals;

[0189] The intersection of the time domain resources occupied by the Category A channels and / or signals is not empty, and A is a positive integer greater than or equal to 2.

[0190] In an embodiment of the present application, based on determining the group information associated with Class A channels and / or signals; based on the group information associated with Class A channels and / or signals, the spatial reception parameters of at least one Class A channel and / or signal are determined.

[0191] Determining, based on the determined group information associated with the Class A channels and / or signals, spatial reception parameters of at least one class of channels and / or signals among the Class A channels and / or signals, includes at least one of the following:

[0192] When the group information associated with the Class A channels and / or signals is the same, the Class A channels and / or signals satisfy a quasi-co-location relationship with respect to spatial reception parameters;

[0193] When the group information associated with the Class A channels and / or signals is the same, the Class A channels and / or signals satisfy a quasi-co-location relationship with respect to spatial reception parameters in the intersection portion;

[0194] When the group information associated with the Class A channels and / or signals is different, the Class A channels and / or signals are each associated with a spatial reception parameter;

[0195] When the group information associated with the Category A channels and / or signals is different, the Category A channels and / or signals are respectively associated with a spatial reception parameter in the intersection part.

[0196] The following description takes A=2 as an example. In the following description, the following relationship is satisfied when the Class A channels and / or signal associated groups are the same. If the Class A channels and / or associated group information are different, the following relationship does not need to be satisfied.

[0197] Case 1: When the spacing between the downlink control information (DCI) and the physical downlink shared channel (PUSCH) scheduling the PDSCH is less than a predetermined threshold, the time-domain intersection between the PDSCH and the control resource set (CORESET) is not empty (a CORESET is a time-frequency resource block configured for transmitting downlink control information), the PDSCH and CORESET have different 'QCL-TypeD' (i.e., spatial reception parameters), and the PDSCH and CORESET are associated with the same group information, the physical downlink control channel (PUCCH) in the CORESET is preferentially received. In this case, the PDSCH 'QCL-TypeD' is the 'QCL-TypeD' of the CORESET associated with at least one search space to be detected in the time unit closest to the PDSCH, with the lowest CORESET ID, and located in the CC where the PDSCH is located.

[0198] Case 2: If the CSI-RS resources configured for the UE and the CORESETs associated with a search space set have at least one common Orthogonal Frequency Division Multiplexing (OFDM) symbol, and the CSI-RS and the CORESET have the same group ID, if 'QCL-Type D' is configured, the terminal assumes that the CSI-RS and the demodulation reference signals (DMRS) of all PDCCHs contained in the CORESETs associated with these search space sets meet the quasi-co-location relationship with respect to 'QCL-Type D'. This also applies to the case where the CSI-RS and the CORESET are in different intra-band component carriers.

[0199] Case 3: If the intersection of the OFDM time-domain symbols occupied by the CSI-RS resources and SS / PBCH resource blocks configured by the terminal is not empty, and the CSI-RS resources and SS / PBCH resource blocks have the same group ID, and if 'QCL-Type D' is applied, then the CSI-RS and SS / PBCH resource blocks satisfy a quasi-co-location relationship with respect to 'QCL-Type D'.

[0200] Case 4: If the intersection of the OFDM symbols occupied by the PDSCH DMRS and the SS / PBCH resource block received by the terminal is not empty, the PDSCH DMRS and the SS / PBCH resource block have the same group ID, and if 'QCL-TypeD' is configured, then the DM-RS and SS / PBCH resource block are quasi-co-located with respect to 'QCL-TypeD'

[0201] Case 5: If the terminal is configured in single carrier or carrier aggregation (CA) mode, the intersection between the detection opportunities of PDCCHs belonging to multiple CORESETs is not empty, and these CORESETs have the same group index, the terminal detects the PDCCH in one of the CORESETs and the CORESET that satisfies QCL-D with this CORESET.

[0202] The group ID is at least one of the following: a downlink control channel element group index, a transmission configuration indicator (TCI) state group index, an antenna group index, a channel and / or signal group index, or a channel and / or signal parameter value group index. The downlink control channel element includes one of the following: a core set, a search space set, a search space, or a candidate PDCCH. For example, different groups correspond to different transmission resource allocation (TRPs).

[0203] When the intersection between the above-mentioned Class A channels and / or signals is not empty and has the same group index, the Class A channels and / or signals satisfy a quasi-co-location relationship with respect to QCL-typeD (i.e., spatial reception parameters). This embodiment does not exclude that the intersection between the Class A channels and / or signals is not empty and has the same group index, and the number of reference signals included in the set composed of quasi-co-location reference signals with respect to QCL-typeD (i.e., spatial reception parameters) between the Class A channels and / or signals is less than a third predetermined threshold, or the number of reference signals that do not satisfy the quasi-co-location relationship in the set composed of quasi-co-location reference signals with respect to QCL-typeD (i.e., spatial reception parameters) between the Class A channels and / or signals is less than a third predetermined threshold, for example, more than one receiving beam can be projected for a TRP terminal.

[0204] The intersection between Class A channels and / or signals is non-empty and has different group indexes. Class A channels and / or signals do not need to satisfy a quasi-co-location relationship regarding QCL-typeD (i.e., spatial reception parameters). In the set consisting of quasi-co-location reference signals regarding QCL-typeD (i.e., spatial reception parameters) between Class A channels and / or signals, the number of reference signals that do not satisfy the quasi-co-location relationship is less than a fourth predetermined threshold, where the fourth threshold is greater than the third predetermined threshold. For example, the terminal can project a predetermined number of receiving beams for each TRP terminal, and the number of receiving beams that the terminal can project for two TRP terminals is greater than the number of receiving beams that the terminal can project for one TRP terminal.

[0205] In one embodiment, one channel and / or signal is associated with one downlink control channel element group, including at least one of the following:

[0206] The physical layer control channel of the scheduling channel and / or the signal is transmitted in the downlink control channel element group;

[0207] Higher-layer signaling for scheduling channels and / or signals is included in downlink data channels scheduled by control channels transmitted in downlink control channel element groups. For example, if RRC / MAC-CE commands for scheduling periodic or semi-persistent channels and / or signals are included in the PDCCH of a coreset group 1, the coreset group associated with these periodic or semi-persistent channels and / or signals is referred to as coreset group 1.

[0208] In one embodiment, in the above situations 1 to 6, when the group information associated with the Class A channels and / or signals is different, they do not need to satisfy a quasi-co-location relationship with respect to spatial reception parameters.

[0209] In one embodiment, when the group information associated with the Class A channels and / or signals is different, it includes at least one of the following features:

[0210] When the group information associated with the Class A channels and / or signals is different and the number of reference signals that do not satisfy the quasi-co-location relationship in the set consisting of quasi-co-location reference signals of the Class A channels and / or signals with respect to spatial reception parameters is greater than G, Class B channels and / or signals in the Class A channels and / or signals are transmitted according to the priority of the group information, where the value of B is a positive integer less than the value of A;

[0211] When the group information associated with the Category A channels and / or signals is different and the number of reference signals that do not satisfy the quasi-co-location relationship in the set of quasi-co-location reference signals of the Category A channels and / or signals with respect to spatial reception parameters is greater than G, Category B channels and / or signals in the Category A channels and / or signals are transmitted, where the value of B is a positive integer less than the value of A;

[0212] When the group information associated with the Class A channels and / or signals is different and the number of reference signals that do not satisfy the quasi-co-location relationship in the set consisting of quasi-co-location reference signals of the Class A channels and / or signals with respect to spatial reception parameters is less than or equal to G, the Class A channels and / or signals are transmitted;

[0213] When the group information associated with the Category A channels and / or signals is the same and the number of reference signals that do not satisfy the quasi-co-location relationship in the set consisting of quasi-co-location reference signals of the Category A channels and / or signals with respect to spatial reception parameters is greater than H, Category B channels and / or signals in the Category A channels and / or signals are transmitted, where the value of B is a positive integer less than the value of A;

[0214] When the group information associated with the Class A channels and / or signals is the same and the number of reference signals that do not satisfy the quasi-co-location relationship in the set consisting of quasi-co-location reference signals of the Class A channels and / or signals with respect to spatial reception parameters is less than or equal to H, the Class A channels and / or signals are transmitted;

[0215] Where G and H are positive integers greater than or equal to 1, and / or the value of G is obtained based on at least one of the following information: downlink control channel element group, TCI state group, antenna group, channel and / or signal group. And / or H is less than G.

[0216] For example, channels and / or signals of the same group are sent by the same TRP, and channels and / or signals of different groups are sent by different TRPs.

[0217] For example, if there are two CORESET groups, each corresponding to a TRP, and the group information associated with the two types of channels and / or signals is different and the number of reference signals that do not satisfy the quasi-co-location relationship in the set of quasi-co-location reference signals of the two types of channels and / or signals with respect to spatial reception parameters is less than or equal to 2, the two types of channels and / or signals are transmitted;

[0218] There are two CORESET groups, each corresponding to a TRP. When the group information associated with the two types of channels and / or signals is the same and the number of reference signals that do not meet the quasi-co-location relationship in the set composed of quasi-co-location reference signals of the two types of channels and / or signals with respect to spatial reception parameters is greater than one, one of the two types of channels and / or signals is transmitted;

[0219] It should be noted that, in all parts of the present application specification, transmission includes sending and / or receiving, which means sending at the sending end of the channel and / or signal and receiving at the receiving end of the channel and / or signal.

[0220] In the present embodiment of the application, according to determining the Class A channel and / or signal association group information;

[0221] Determine the transmission mode of the Class A channel and / or signal based on the group information associated with the Class A channel and / or signal. This includes at least one of the following:

[0222] When Class A channels and / or signals are associated with different group information and do not meet the quasi-co-location relationship with respect to spatial reception parameters, Class B channels and / or signals within the Class A channels and / or signals are transmitted based on the priority of the group information, where the value of B is a positive integer less than the value of A. For example, the channel and / or signal with the smallest group information index has the highest priority. For example, different group information corresponds to different TRPs.

[0223] In this embodiment of the application, when the intersection of time domain resources occupied by Class A channels and / or signals is not empty, Class B channels and / or signals within the Class A channels and / or signals are transmitted, and a value B is determined based on a relationship between the number of reference signals included in a reference signal set consisting of quasi-co-located reference signals with respect to spatial reception parameters of the Class A channels and / or signals and a first predetermined value. For example, if the number of reference signals included in the reference signal set consisting of quasi-co-located reference signals with respect to spatial reception parameters of the Class A channels and / or signals is greater than the first predetermined value, and the value B is less than the value A, or the value B is further determined based on a relationship between group information associated with the Class A channels and / or signals, otherwise the value B is equal to the value A.

[0224] The first predetermined value and / or the second predetermined value are obtained based on at least one of the following information: downlink control channel element group, TCI state group, antenna group, channel and / or signal group. For example, different group information corresponds to different TRPs.

[0225] In the present embodiment of the application, when the intersection between the time domain resources occupied by Class A channels and / or signals is not empty, Class B channels and / or signals in Class A channels and / or signals are transmitted, and the B value is determined based on the relationship between the number of reference signals whose spatial reception parameters do not satisfy the quasi-co-location relationship and a second predetermined value in the reference signal set composed of quasi-co-location reference signals of Class A channels and / or signals regarding spatial reception parameters.

[0226] For example, when the number of reference signals whose spatial reception parameters do not satisfy the quasi-co-location relationship included in the reference signal set consisting of quasi-co-location reference signals of Category A channels and / or signals with respect to spatial reception parameters is greater than a second predetermined value, the value B is less than the value A or is further determined based on the relationship between group information associated with Category A channels and / or signals; otherwise, the value B is equal to the value A.

[0227] The first predetermined value and / or the second predetermined value are obtained according to at least one of the following information: downlink control channel element group, TCI state group, antenna group, channel and / or signal group, for example, different group information corresponds to different TRPs.

[0228] Figure 5 A schematic structural diagram of a channel measurement device provided in an embodiment is shown in FIG. Figure 5As shown, the channel measurement device provided in this embodiment includes: a configuration module 51, configured to configure measurement resource information, the measurement resource information is used to obtain channel state information, wherein the measurement resource information includes N channel measurement resource information and M interference measurement resource information, N and M are positive integers; a sending module 52, configured to send the measurement resource information.

[0229] The channel measurement device provided in this embodiment is used to implement Figure 2 The channel measurement method of the illustrated embodiment and the channel measurement device provided in this embodiment have similar implementation principles and technical effects, and are not described in detail here.

[0230] Figure 6 A schematic diagram of the structure of another channel measurement device provided by an embodiment is shown in FIG. Figure 6 As shown, the channel measurement device provided in this embodiment includes: a receiving module 61, configured to receive measurement resource information, wherein the measurement resource information includes N channel measurement resource information and M interference measurement resource information, where N and M are positive integers; a measurement module 62, configured to obtain channel state information based on the measurement resource information, where the channel state information includes channel-related parameters and / or interference-related parameters; and a sending module 63, configured to transmit the channel state information to a base station.

[0231] The channel measurement device provided in this embodiment is used to implement Figure 4 The channel measurement method of the illustrated embodiment and the channel measurement device provided in this embodiment have similar implementation principles and technical effects, and are not described in detail here.

[0232] Figure 7 A schematic diagram of a structure of a device for determining spatial reception parameters provided by an embodiment, such as Figure 7 As shown, the spatial reception parameter determination device provided by this embodiment includes: a group information determination module 71, configured to determine the group information associated with Class A channels and / or signals; a parameter determination module 72, configured to determine at least one of the following based on the determined group information associated with Class A channels and / or signals: spatial reception parameters of at least one type of channels and / or signals in the Class A channels and / or signals, and a transmission mode of the Class A channels and / or signals; wherein the intersection between the time domain resources occupied by the Class A channels and / or signals is not empty, and A is a positive integer greater than or equal to 2.

[0233] Figure 8 A schematic diagram of the structure of a base station provided in an embodiment is shown in FIG. Figure 8 As shown, the base station includes a processor 81, a memory 82, a receiver 83 and a transmitter 84; the number of processors 81 in the base station can be one or more. Figure 8 In the example, a processor 81 is used; the processor 81 and the memory 82 in the base station can be connected by a bus or other means. Figure 8The bus connection is taken as an example.

[0234] The memory 82 is a computer-readable storage medium that can be configured to store software programs, computer-executable programs, and modules. The processor 81 executes the software programs, instructions, and modules stored in the memory 82 to implement at least one functional application and data processing of the base station, that is, to implement the above-mentioned channel measurement method.

[0235] The memory 82 may primarily include a program storage area and a data storage area. The program storage area may store an operating system and at least one application required for a function; the data storage area may store data generated based on the use of the base station. Furthermore, the memory 82 may include high-speed random access memory and non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state storage device.

[0236] The receiver 83 is a module or device combination capable of receiving radio frequency signals from space, such as a combination of a radio frequency receiver, an antenna, and other devices. The transmitter 84 is a module or device combination capable of transmitting radio frequency signals into space, such as a combination of a radio frequency transmitter, an antenna, and other devices.

[0237] Figure 9 A schematic diagram of the structure of a terminal provided in an embodiment is shown in FIG. Figure 9 As shown, the terminal includes a processor 91, a memory 92, a receiver 93 and a transmitter 94; the number of processors 91 in the terminal can be one or more. Figure 9 In the figure, a processor 91 is taken as an example; the processor 91 and the memory 92 in the terminal may be connected via a bus or other means.

[0238] The memory 92 is a computer-readable storage medium that can be configured to store software programs, computer executable programs, and modules, such as the present application. Figure 4 Program instructions / modules corresponding to the channel measurement method in the embodiment: The processor 91 executes the software programs, instructions, and modules stored in the memory 92, thereby performing at least one functional application and data processing of the terminal, that is, implementing the above-mentioned unlicensed spectrum measurement method.

[0239] The memory 92 may primarily include a program storage area and a data storage area. The program storage area may store an operating system and at least one application required for a function; the data storage area may store data generated based on the use of the terminal. Furthermore, the memory 92 may include high-speed random access memory and non-volatile memory, such as at least one disk storage device, a flash memory device, or other non-volatile solid-state memory device.

[0240] The receiver 93 is a module or device combination capable of receiving radio frequency signals from space, such as a combination of a radio frequency receiver, an antenna, and other devices. The transmitter 94 is a module or device combination capable of transmitting radio frequency signals into space, such as a combination of a radio frequency transmitter, an antenna, and other devices.

[0241] An embodiment of the present application also provides a storage medium containing computer-executable instructions, which, when executed by a computer processor, are used to perform a channel measurement method, the method comprising: configuring measurement resource information, the measurement resource information being used to obtain channel state information, wherein the measurement resource information comprises N channel measurement resource information and M interference measurement resource information, where N and M are positive integers; and sending the measurement resource information.

[0242] An embodiment of the present application also provides a storage medium containing computer-executable instructions, which, when executed by a computer processor, are used to perform a channel measurement method, the method comprising: receiving measurement resource information, wherein the measurement resource information comprises N channel measurement resource information and M interference measurement resource information, where N and M are positive integers; obtaining channel state information based on the measurement resource information, where the channel state information comprises channel-related parameters and / or interference-related parameters; and transmitting the channel state information to a base station.

[0243] It will be appreciated by those skilled in the art that the term user terminal covers any suitable type of wireless user equipment, such as a mobile phone, a portable data processing device, a portable web browser or a vehicle-mounted mobile station.

[0244] In general, various embodiments of the present application may be implemented in hardware or dedicated circuits, software, logic, or any combination thereof. For example, some aspects may be implemented in hardware, while other aspects may be implemented in firmware or software that can be executed by a controller, microprocessor, or other computing device, although the present application is not limited thereto.

[0245] Embodiments of the present application may be implemented by executing computer program instructions by a data processor of a mobile device, for example, in a processor entity, or by hardware, or by a combination of software and hardware. The computer program instructions may be assembly instructions, instruction set architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state setting data, or source code or object code written in any combination of one or more programming languages.

[0246] The block diagram of any logical flow in the accompanying drawings of the present application may represent program steps, or may represent interconnected logical circuits, modules and functions, or may represent a combination of program steps and logical circuits, modules and functions. A computer program may be stored on a memory. The memory may be of any type suitable for the local technical environment and may be implemented using any suitable data storage technology, such as, but not limited to, a read-only memory (ROM), a random access memory (RAM), an optical storage device and system (a digital versatile disc (DVD) or a compact disc (CD)). Computer-readable media may include non-transient storage media. A data processor may be of any type suitable for the local technical environment, such as, but not limited to, a general-purpose computer, a special-purpose computer, a microprocessor, a digital signal processor (DSP), an application-specific integrated circuit (ASIC), a field-programmable gate array (FPGA) and a processor based on a multi-core processor architecture.

Claims

1. A channel measurement method, characterized in that: include: The terminal receives measurement resource information from the base station, where the measurement resource information includes N groups of channel measurement resources and M groups of interference measurement resources, where N and M are positive integers, and the channel measurement resources in the N groups of channel measurement resources are associated with the interference measurement resources in the M groups of interference measurement resources; The terminal acquires channel state information according to the measurement resource information, wherein a spatial characteristic of interference measurement resource information in the measurement resource information is determined by a spatial characteristic of channel measurement resource information associated with the interference measurement resource information; The terminal transmits the channel state information to the base station, wherein the channel state information includes at least one level 1 signal-to-interference and noise ratio L1-SINR and at least one differential L1-SINR, and the at least one L1-SINR and the at least one differential L1-SINR are jointly encoded in a coding block, wherein each L1-SINR value is indicated by 7 bits, and each differential L1-SINR value is indicated by 4 bits.

2. The method according to claim 1, wherein The channel measurement resources include synchronization signal block SSB resources or non-zero power channel state information reference signal NZP-CSI-RS resources.

3. The method according to claim 1, wherein The interference measurement resource includes a channel state information interference measurement CSI-IM resource or a non-zero power channel state information reference signal NZP-CSI-RS resource.

4. The method according to any one of claims 1 to 3, wherein Each group of channel measurement resources in the N groups of channel measurement resources includes a repetition parameter, and each group of interference measurement resources in the M groups of interference measurement resources includes a repetition parameter.

5. A method for obtaining a channel measurement value, comprising: The base station sends measurement resource information to the terminal, where the measurement resource information includes N groups of channel measurement resources and M groups of interference measurement resources, where N and M are positive integers, and the channel measurement resources in the N groups of channel measurement resources are associated with the interference measurement resources in the M groups of interference measurement resources; The base station receives channel state information acquired by the terminal according to the measurement resource information, wherein the spatial characteristics of the interference measurement resource information in the measurement resource information are determined by the spatial characteristics of the channel measurement resource information associated with the interference measurement resource information, and the channel state information includes at least one level 1 signal-to-interference and noise ratio L1-SINR and at least one differential L1-SINR, and the at least one L1-SINR and the at least one differential L1-SINR are jointly encoded in a coding block, and the value of each L1-SINR is indicated by 7 bits, and the value of each differential L1-SINR is indicated by 4 bits.

6. The method according to claim 5, wherein: The channel measurement resources include synchronization signal block SSB resources or non-zero power channel state information reference signal NZP-CSI-RS resources.

7. The method according to claim 5, wherein: The interference measurement resource includes a channel state information interference measurement CSI-IM resource or a non-zero power channel state information reference signal NZP-CSI-RS resource.

8. The method according to any one of claims 5 to 7, wherein Each group of channel measurement resources in the N groups of channel measurement resources includes a repetition parameter, and each group of interference measurement resources in the M groups of interference measurement resources includes a repetition parameter.

9. A communication device comprising a processor, wherein the processor is configured to: receiving measurement resource information from a base station, wherein: The measurement resource information includes N groups of channel measurement resources and M groups of interference measurement resources, where N and M are positive integers, and the channel measurement resources in the N groups of channel measurement resources are associated with the interference measurement resources in the M groups of interference measurement resources; Acquire channel state information according to the measurement resource information, wherein a spatial characteristic of interference measurement resource information in the measurement resource information is determined by a spatial characteristic of channel measurement resource information associated with the interference measurement resource information; Transmitting the channel state information to the base station, wherein the channel state information includes at least one level 1 signal-to-interference and noise ratio (L1-SINR) and at least one differential L1-SINR, and the at least one L1-SINR and the at least one differential L1-SINR are jointly encoded in a coding block, wherein each L1-SINR value is indicated by 7 bits, and each differential L1-SINR value is indicated by 4 bits.

10. The device according to claim 9, wherein The channel measurement resources include synchronization signal block SSB resources or non-zero power channel state information reference signal NZP-CSI-RS resources.

11. The device according to claim 9, wherein The interference measurement resource includes a channel state information interference measurement CSI-IM resource or a non-zero power channel state information reference signal NZP-CSI-RS resource.

12. The device according to any one of claims 9 to 11, wherein Each group of channel measurement resources in the N groups of channel measurement resources includes a repetition parameter, and each group of interference measurement resources in the M groups of interference measurement resources includes a repetition parameter.

13. A communication device comprising a processor, wherein the processor is configured to: Send measurement resource information to the terminal, where: The measurement resource information includes N groups of channel measurement resources and M groups of interference measurement resources, where N and M are positive integers, and the channel measurement resources in the N groups of channel measurement resources are associated with the interference measurement resources in the M groups of interference measurement resources; Receive channel state information acquired by the terminal according to the measurement resource information, wherein the spatial characteristics of interference measurement resource information in the measurement resource information are determined by the spatial characteristics of channel measurement resource information associated with the interference measurement resource information, and the channel state information includes at least one level 1 signal-to-interference and noise ratio (L1-SINR) and at least one differential L1-SINR, and the at least one L1-SINR and the at least one differential L1-SINR are jointly encoded in a coding block, and the value of each L1-SINR is indicated by 7 bits, and the value of each differential L1-SINR is indicated by 4 bits.

14. The device according to claim 13, wherein The channel measurement resources include synchronization signal block SSB resources or non-zero power channel state information reference signal NZP-CSI-RS resources.

15. The device according to claim 13, wherein The interference measurement resource includes a channel state information interference measurement CSI-IM resource or a non-zero power channel state information reference signal NZP-CSI-RS resource.

16. The device according to any one of claims 13 to 15, wherein Each group of channel measurement resources in the N groups of channel measurement resources includes a repetition parameter, and each group of interference measurement resources in the M groups of interference measurement resources includes a repetition parameter.

17. A computer-readable storage medium having a computer program stored thereon, wherein when the computer program is executed by a processor, the method according to any one of claims 1 to 8 is implemented.

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