CN110912625B

CN110912625B - Method and communication device for transmitting signals

Info

Publication number: CN110912625B
Application number: CN201811077535.3A
Authority: CN
Inventors: 葛士斌; 施弘哲; 毕晓艳
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2018-09-15
Filing date: 2018-09-15
Publication date: 2022-05-31
Anticipated expiration: 2038-09-15
Also published as: CN110912625A; WO2020052639A1

Abstract

The method comprises the steps that terminal equipment determines that signals from M spatial transmitting filters need to be received in the same time unit, wherein the number of the spatial receiving filters supported by the terminal equipment is N, M is greater than N, and M and N are integers; and the terminal equipment receives signals sent by K sending filters in the M space sending filters in the same time unit through the L space receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M. The embodiment of the application provides a scheme that when the number of the spatial receiving filters corresponding to the signals sent by the network equipment is more than the receiving capacity of the terminal equipment, the terminal equipment decides the signals to be received, and the problem that the signals to be received cannot be determined in the prior art is solved.

Description

Method and communication device for transmitting signals

Technical Field

The present application relates to the field of communications, and in particular, to a method and a communication apparatus for transmitting a signal.

Background

In the fifth generation (5th-generation, 5G) communication system, with the rapid development of mobile communication, there are higher requirements in many aspects such as system capacity, instantaneous peak rate, spectrum efficiency, cell edge user throughput, and time delay. A coordinated multiple points transmission/reception (CoMP) technique is a key technique for satisfying the above requirements.

CoMP techniques aim to enable coordinated transmission between transmission points in different geographical locations. At present, the CoMP technology, whether uplink or downlink, can improve the system performance, especially improve the spectrum efficiency at the cell edge. Currently, the mainstream CoMP technology implementation manners can be divided into a Joint Processing (JP) technology, a coordinated scheduling/beamforming (CS/CB) technology, a Joint Transmission (JT) technology, and a non-coherent Joint transmission (NCJT) technology.

In the multi-point transmission scenario, multiple transmission points can transmit signals to the terminal device at the same time, and when the number of receiving filters corresponding to the multiple transmission points transmitting signals is more than the receiving capability of the terminal device (for example, the number of beams of the multiple transmission points transmitting signals is more than the number of receiving beams of the terminal device supporting the signal reception in the same time unit), the terminal device cannot choose the signals to be received.

Therefore, how to determine the signal that the terminal device needs to receive becomes an urgent problem to be solved.

Disclosure of Invention

The application provides a method and a communication device for transmitting signals, which can determine the signals required to be received by terminal equipment.

In a first aspect, a method for transmitting a signal is provided, the method comprising:

the method comprises the steps that terminal equipment determines that signals from M space transmitting filters need to be received in the same time unit, wherein the number of the space receiving filters supported by the terminal equipment is N, M is larger than N, and M and N are integers;

and the terminal equipment receives signals sent by K sending filters in the M space sending filters in the same time unit through the L space receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M.

It should be understood that in the embodiment of the present application, a time unit may represent a period of time, for example, the time unit may be an Orthogonal Frequency Division Multiplexing (OFDM) symbol, a slot, a subframe, a frame, and the like, and the embodiment of the present application is not limited thereto. For example, when the time unit is an OFDM symbol, the at least one indication message is used to instruct the terminal device to receive signals from the M spatial transmission filters in the same OFDM symbol.

In this embodiment, the signals transmitted by the M spatial transmission filters completely overlap in time or at least a part of the M signals overlap in time, which is not limited in this embodiment.

It should be understood that, the signal in the embodiment of the present application may be a reference signal, control information, data, and the like, and the embodiment of the present application is not limited thereto. For example, the signal in the embodiment of the present application may include at least one of the following signals: control information carried by a Physical Downlink Control Channel (PDCCH), data carried by a Physical Downlink Shared Channel (PDSCH), a channel state information reference (CSI-RS) signal, and a signal carried by a synchronization signal/broadcast channel block (PBCH) block, SSB).

Specifically, in this embodiment of the present application, a network device sends signals through M spatial transmit filters, and when the number of directions corresponding to the M spatial transmit filters is greater than the number N of spatial receive filters supported by a terminal device, the terminal device receives signals sent by K transmit filters through L spatial receive filters according to a preset rule.

Therefore, the embodiment of the application provides a scheme that the terminal device decides the signal to be received when the number of the spatial receiving filters corresponding to the signal sent by the network device is more than the receiving capability of the terminal device, and solves the problem that the signal to be received cannot be determined in the prior art.

With reference to the first aspect, in certain implementations of the first aspect, the preset rule includes at least one of the following rules:

rule one is as follows:

the high priority signal takes precedence of the reception rule.

Specifically, each signal corresponds to a priority, and the terminal device may receive signals in order from high to low based on the signal priorities. It should be understood that the priority corresponding to each signal may be a priority corresponding to the signal itself, or may also be a priority corresponding to a channel carrying the signal, and the embodiment of the present application is not limited thereto.

For example, and without limitation, signals carried by a PDCCH have a higher priority than signals carried by a PDSCH, signals carried by a PDSCH have a higher priority than CSI-RSs, aperiodic CSI-RSs have a higher priority than semi-static CSI-RSs, semi-static CSI-RSs have a higher priority than periodic CSI-RSs, and signals carried by a common (common) PDCCH have a higher priority than signals carried by a user equipment specific (UE specific) PDCCH.

Alternatively, in practical applications, the terminal device may select the received signals based on the order of the signal priorities from low to high, and the embodiment of the present application is not limited thereto.

Rule two:

the signals with the same attribute are received preferentially.

Specifically, when there are two or more spatial transmission filters among the M spatial transmission filters having the same transmitted signal attribute, the terminal device may preferentially receive the signal having the same attribute.

The signals with the same properties in the embodiments of the present application are described as follows:

in the embodiment of the present application, different channel/signal attributes are the same, and have different definitions, which are taken as an example and not as a limitation, and the definitions of the same PDSCH, PDCCH, and CSI-RS attributes are given below.

The PDSCH attribute identity refers to that certain Radio Network Temporary Identity (RNTI) nrtis corresponding to 2 PDSCHs are the same, for example, paging RNTI (P-RNTI), system information RNTI (SI-RNTI), random access RNTI (RA-RNTI), configured scheduling RNTI (CS-RNTI), or cell-RNTI (C-RNTI).

The PDCCH attribute being the same may be any one of the following three cases:

the first condition is as follows: it means that the 2 PDCCHs are of the same type, for example, all are cell common control channels (common PDCCHs) or all are user equipment dedicated control channels (UE specific PDCCHs), and the embodiments of the present application are not limited thereto.

Case two: the 2 PDCCHs are of the same type and the same format (format), for example, each of the following formats: DCI format 0_0, DCI format 0_1, DCI format 1_0, DCI format 1_1, DCI format 2_0, DCI format 2_1, DCI format 2_2, and DCI format 2_ 3.

Case three: the 2 PDCCHs are of the same type, the same format, and the same corresponding RNTI, for example, one of the following RNTIs: C-RNTI, CS-RNTI, SI-RNTI, Semi-Persistent channel state information RNTI (Semi-Persistent CSI-RNTI, SP-CSI-RNTI), transmission power control uplink control channel RNTI (transmit power control PUCCH RNTI, TPC-PUCCH-RNTI), transmission power control uplink data channel RNTI (transmit power control PUSCH RNTI, TPC-PUSCH-RNTI), transmission power control sounding reference signal RNTI (transmit power control SRS, TPC-SRS-RNTI), temporary Cell RNTI (TC-RNTI), P-RNTI, RA-RNTI, slot format indication RNTI (SFI-RNTI) or transmission interruption indication RNTI (INT-RNTI).

The CSI-RS properties being the same may be any one of the following three cases:

the first condition is as follows: it means that the periodic behaviors of the 2 CSI-RSs are the same, such as the CSI-RSs (P CSI-RSs), semi-persistent CSI-RSs (semi persistent CSI-RSs) or aperiodic CSI-RSs (AP CSI-RSs)

Case two: the 2 CSI-RSs are used for the same purpose, such as being used as beam management (CSI-RS for BM), being used as CSI acquisition (CSI-RS for CSI acquisition), or being used as beam failure recovery or radio link monitoring (CSI for RLM/BFR).

Case three: the 2 CSI-RSs have the same periodic behavior and the same purpose, for example, all are periodic CSI-RSs (P CSI-RS for BM) used for beam management, Semi-persistent CSI-RSs (Semi persistent CSI-RS for BM) used for beam management or aperiodic CSI-RSs (AP CSI-RS for BM) used for beam management; a periodic CSI-RS (P CSI-RS for CSI acquisition), a Semi-persistent CSI-RS (Semi-persistent CSI-RS for CSI acquisition) for CSI acquisition, or an aperiodic CSI-RS (AP CSI-RS for CSI acquisition) for CSI acquisition; a periodic CSI-RS (P CSI-RS for RLM/BFR) used for beam failure recovery or radio link monitoring, a Semi-persistent CSI-RS (Semi persistent CSI-RS for RLM/BFR) used for beam failure recovery or radio link monitoring, or an aperiodic CSI-RS (AP CSI-RS for RLM/BFR) used for beam failure recovery or radio link monitoring.

Rule three:

the signal with small preset identification or the spatial filter receives the rule preferentially.

It should be understood that the preset identifier in the embodiment of the present application may include a first type identifier and/or a second type identifier, for example, the preset identifier may include a first type identifier and a second type identifier. Alternatively, the preset identifier representation in the embodiment of the present application may include the second identifier and not include the first type identifier. The first type of identifier may be a parameter identifier related to a cell, and the second identifier may be a signal/channel resource or a signal/channel configuration-related identifier.

For example, the first type of identification may comprise at least one of the following identifications:

cell identification (serving cell ID) and cell group identification (cell group ID).

The cell identity is used to identify a cell. For example, when the cell identity value is 0, it indicates a primary serving cell (primary serving cell), and when the cell identity value is 1, it indicates a secondary cell.

The cell group identity is used to identify the cell group. For example, when the cell group identifier takes a value of 0, it indicates a master cell group, and when it takes another value, for example, 1, it indicates a secondary cell group.

The second type of identification may comprise at least one of the following identifications:

an identifier of a downlink Control channel PDCCH configuration parameter, a Control Resource set (CORESET) identifier, a DMRS port identifier, an identifier of a DMRS port group, an identifier of a transmission block, a search space identifier and an identifier of a search space configuration parameter.

It should be understood that the identities in this second type of identity may be explicitly represented (or may be referred to as directly represented), for example, by displaying an indication identity via a field or parameter, for example, a ControlResourceSetsId in RRC signaling represents a CORESET identity. The identifier in the second type of identifier may also be implicitly indicated (or may be referred to as indirect indication), for example, the identifier of the transport block TB is implicitly determined by the MCS field corresponding to the TB, RV, and the location of NDI in the DCI, for example, the DCI has two configuration fields of TB, each configuration field includes one MCS field, one RV field, and one NDI field, where one of the two configuration fields occupies the bits at the front position and the other configuration occupies the bits at the back position, then the configuration field of the bit at the front position may correspond to TB1, and the configuration field of the bit at the back position may correspond to TB 2.

In the embodiment of the present application, the PDCCH configuration parameter may be PDCCH configuration (PDCCH-Config). The PDCCH-Config may include a core set and a search space (search space), and includes parameters for detecting candidate PDCCHs. The CORESET can be called as a control resource set, namely, time-frequency resources of the CORESET, such as the size of a resource block occupied by a frequency domain, the number of symbols occupied by a time domain and the like; it can also be called as control resource set configuration parameter, that is, the related parameter of signaling configuration, and is used to obtain the CORESET time-frequency resource. The search space may be referred to as a search space configuration parameter, i.e. a parameter related to signaling configuration, for obtaining when and in what manner to search for candidate or possible PDCCHs; the search space may also refer directly to where the PDCCH candidates are detected, or where detection is needed.

Optionally, the PDCCH configuration parameter may also be a downlink control channel configuration parameter group (PDCCH-configuration group), a control resource set configuration parameter group (CORESET group), or a search space configuration parameter group (search space group). The downlink control channel configuration parameter group may include one or more downlink control channel configuration parameters or index numbers of the downlink control channel configuration parameters; the control resource set configuration parameter group may include one or more control resource set configuration parameters or index numbers of the control resource set configuration parameters; the set of search space configuration parameters may comprise one or more search space configuration parameters or index numbers of search space configuration parameters.

The rule three may include a signal priority reception rule with a small preset identifier or a spatial filter priority reception rule with a small preset identifier.

Specifically, the signal priority receiving rule with the small preset identifier indicates that the terminal device can select the received signals from small to large based on the preset identifier corresponding to the signal.

Specifically, the preferential receiving rule of the spatial filter with the small preset identifier indicates that the terminal device can select the received signals from small to large based on the sequence of the preset identifiers corresponding to the spatial transmitting filter for transmitting the signals; or, the spatial filter preferential reception rule with the small preset identifier indicates that the terminal device may select the received signals in the order from small to large based on the preset identifiers of the spatial filter of the signals.

It should be noted that, herein, when the preset identifier includes the first type identifier and the second type identifier, the signal with the smaller preset identifier represents the signal with the smaller second type identifier in the signals determined according to the first type identifier. For example, when the preset identifier includes a first type identifier and a second type identifier, X spatial transmission filters with smaller preset identifiers represent X spatial transmission filters with smaller second type identifiers in Y spatial transmission filters determined according to the first type identifier, that is, the terminal device receives signals by using X spatial reception filters corresponding to the X spatial transmission filters, where Y is greater than X. The signals with small preset identifiers mentioned in the embodiments below are all similar to this, and are not described in detail below.

Specifically, when the preset identifier includes the first type identifier, the embodiment of the present application may determine the Y transmit spatial filters according to the first type identifier by following at least one of the following rules:

1. and the signal priority receiving rule with smaller cell identification.

For example, there are M spatial transmission filters, and the terminal device determines, from the M spatial transmission filters, Y spatial transmission filters with smaller cell identifiers of transmitted signals according to the cell identifiers corresponding to the signals.

2. Signals in the cell group having the smaller cell group identity are received preferentially.

For example, the signal in the cell group with the smaller cell identification is received preferentially, and then the signal with the smaller cell identification is received preferentially in the cell group with the smaller identification according to the rule.

3. The signal in the primary cell is received preferentially.

For example, when there are a primary cell signal and a secondary cell signal, the terminal device determines Y transmission spatial transmission filters from among M spatial transmission filters according to a rule that preferentially receives the signal of the primary cell.

4. The signal in the master cell group is received preferentially.

It should be understood that, in practical applications, at least one or more of the four rules described above may be used to determine Y spatial transmission filters according to the first class identifier, and the embodiments of the present application are not limited thereto.

And a fourth rule:

the signal with large symbol interval is received preferentially.

It should be understood that the symbol interval of a signal means an interval between a symbol of a PDCCH with which the signal is associated and a symbol of the signal.

For example, the signal may be a PDSCH signal, and then the symbol interval of the signal represents the interval between a symbol of a PDCCH scheduling a PDSCH and the PDSCH symbol.

Specifically, each signal corresponds to one symbol interval, and the terminal device may receive signals in order from large to small based on the symbol intervals.

Rule five:

signal priority reception rule with predefined attribute

The above attributes mainly refer to the types of DCI/PDCCH, including different configurations of primary and secondary DCI/PDCCH, fast and slow DCI/PDCCH, two-level DCI, DCI format (format), and the same DCI format. For example, one DCI includes a Modulation and Coding Scheme (MCS) field which may be a MCS (modulation and coding scheme) field for configuring a modulation order and a code rate, a Redundancy Version (RV) field for indicating a current version number, and a New Data Indicator (NDI) field for indicating New transmission or retransmission, and another DCI includes two MCS fields, two RV fields, and two NDI fields. If the signal/signal is a PDCCH, the predefined attribute may refer to that the PDCCH (or DCI carried by the PDCCH) is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_1 and/or a DCI/PDCCH with 2 Transport Block (TB) configuration fields, that is, the PDCCH (or DCI carried by the PDCCH) with the attribute is preferentially received, where each configuration field includes one MCS field, one RV field, and one NDI field; the predefined attribute may also mean that the PDCCH (or the DCI carried by the PDCCH) is an auxiliary DCI/PDCCH and/or a fast DCI/PDCCH and/or a second-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_0 and/or a DCI/PDCCH with 1 TB configuration field, that is, the PDCCH (or the DCI carried by the PDCCH) with the attribute is preferentially received. If the signal/channel is not DCI/PDSCH, the predefined attribute means that the DCI/PDCCH corresponding/associated with the channel/signal has the attribute, for example, PDSCH means that the DCI/PDCCH scheduling the PDSCH has the attribute; the CSI-RS means that the DCI/PDCCH triggering the CSI-RS has the above attributes. For example, if the DCI/PDCCH for scheduling the PDSCH is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_1 and/or a DCI/PDCCH with 2 TB configuration domains exists, the PDSCH is preferentially received; and if the DCI/PDCCH triggering the CSI-RS is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with the format of 1_1 and/or a DCI/PDCCH with 2 TB configuration domains exists, the CSI-RS preferentially receives the DCI/PDCCH.

That is, in rule five, the terminal device determines the priority receiving order of each signal/channel according to the type of the PDCCH corresponding to the signal or the type of DCI carried by the PDCCH.

Rule six:

and a signal priority reception rule having a correspondence/association relationship with the signal having the higher priority.

Rule six may be used in conjunction with the rule. Specifically, the terminal equipment firstly receives signals from high to low according to a rule-priority, and if the number of spatial transmission filters corresponding to the priority signal is greater than the number of spatial reception filters available at the moment of the terminal when a certain priority is reached, the terminal equipment receives signals according to a rule-six and a high priorityThe received signal is further determined by the rule that the signals with the corresponding/associated relation of the prior signals are received preferentially. If there are multiple higher priorities before the current priority, the corresponding/association relationship includes determining the signals to be received according to the priority from high to low. For example, when the priority reaches the certain priority according to a rule one, the CSI-RS needing to be received is determined, and the CSI-RS needing to be received corresponds to Y₁A plurality of spatial transmitting filters, wherein the number of the terminal side available spatial receiving filters is X₁(Y₁>X₁) And the signal with higher priority than the CSI-RS comprises a PDCCH and a PDSCH, and the priority of the PDCCH is higher than that of the PDSCH, the CSI-RS corresponding to/associated with the PDCCH is received first, and then the CSI-RS corresponding to/associated with the PDSCH is received according to the sixth rule.

The correspondence/association relationship between signals in rule six is described below.

For example, if the terminal device determines that the PDSCH needs to be received currently and a signal with a higher priority than the PDSCH is PDCCH/DCI, the correspondence/association relationship may be: 1) PDSCH is high priority DCI/PDCCH scheduled; 2) the configuration information corresponding to the PDSCH is associated with the configuration information of the PDCCH/DCI. The downlink control information configuration information may be a downlink control channel configuration parameter (PDCCH-configuration), a control resource set (core resource sets, core set) configuration parameter, or a search space configuration parameter (search space). The downlink control information configuration information may also be a downlink control channel configuration parameter group (PDCCH-configuration group), a control resource set configuration parameter group (CORESET group), or a search space configuration parameter group (search space group).

The configuration information corresponding to the PDSCH may be an antenna port (antenna port) index number or a DMRS port parameter (e.g., a DMRS port index number, a DMRS port identification code, a DMRS port group index number, or a DMRS port group identification code), or may be a TB-related parameter (e.g., a Modulation and Coding Scheme (MCS) for configuring a modulation order and a code rate, a Redundancy version number (RV) for indicating a current version number, and a New Data Indicator (NDI) for indicating New transmission or retransmission); the configuration information corresponding to the PDSCH may also be an identifier of a TB, where the identifier of the TB is determined by a MCS field, an RV field, and a NDI field corresponding to the TB in the DCI), for example, the DCI has two configuration fields of the TB, where each configuration field includes an MCS field, an RV field, and an NDI field, where one of the two configuration fields occupies bits located at the front and the other occupies bits located at the back, so that the configuration field of the bits located at the front may correspond to TB1, and the configuration field of the bits located at the back may correspond to TB 2. It should be understood that the identity of the TB is implicit here, and is implicitly represented by the bit positions of the configuration field. The configuration information corresponding to the PDSCH may also be physical downlink shared channel configuration information (PUSCH-configuration).

For example, when the CSI-RS is currently received and the previous high-priority signal is PDCCH/DCI, the correspondence/association relationship may be: 1) CSI-RS is high priority DCI/PDCCH triggered; 2) the configuration information corresponding to the CSI-RS is associated with the configuration information of the DCI/PDCCH. The configuration information of the CSI-RS may be CSI measurement configuration information (CSI-MeasConfig), CSI reporting configuration information (CSI-Report Config), CSI resource configuration information (CSI-resource, CSI-IM-resource), CSI resource set configuration information (CSI-resource set, CSI-IM-resource set), and CSI resource set configuration information (CSI-resource set, CSI-IM-resource set).

For example, when the CSI-RS is currently received and the previous high-priority signal is the PDSCH, the correspondence/association relationship may be: 1) the CSI-RS is high priority DCI/PDCCH triggered; 2) the configuration information corresponding to the CSI-RS is associated with the configuration information corresponding to the PDSCH.

For example, when the PDSCH is currently received and the previous high-priority signal is CSI-RS, the correspondence/association relationship may be: 1) the CSI-RS is high priority DCI/PDCCH triggered; 2) the configuration information corresponding to the CSI-RS is associated with the configuration information corresponding to the PDSCH.

Alternatively, in practical applications, the terminal device may preferentially receive a signal having no correspondence/association with a signal having a high priority, and a signal having a correspondence/association with a signal having a high priority, and use the same spatial receiving filter as the signal having a high priority, that is, assume that a signal having a correspondence/association with a signal having a high priority and a signal having a high priority have the same spatial transmitting filter/the same QCL, and the embodiment of the present application is not limited thereto.

It should be understood that in practical applications, the terminal device may receive signals according to only one of the above rules, or may receive signals according to multiple rules. For example, the terminal device may first determine the received signal according to a rule, and in the case that the terminal device cannot determine the final received signal, the terminal device may determine the received signal according to a rule again on the basis of the determination until the terminal device can determine the final received signal. For another example, the six rules may have a sequential usage order, for example, the usage order of the six rules is from rule one to rule six, that is, the terminal device first determines the received signal using rule one, and does not consider the following rules when determining the final received signal; in the case where it is determined that the final received signal cannot be obtained, the terminal device determines the received signals using the latter rule in turn until the terminal device can determine the final received signal. For another example, the terminal device may determine the signal that needs to be received by using a rule one plus a rule three, specifically, the terminal device may determine the signal that needs to be received according to the priority of the signal, and if the number of spatial transmit filters corresponding to the determined signal is still greater than the number of spatial receive filters on the terminal side, the terminal device determines the received signal by using the signal with the small preset identifier or the spatial filter preferential reception rule. For example, assuming that the terminal device supports two receiving beams, when the terminal device determines that a signal to be received needs to be received by using the signal priority, and when it determines that the signal needs to be received by using four spatial receiving filters, the terminal device further selects one or two spatial receiving filters from the four spatial receiving filters to receive the corresponding signal by using a signal with a small preset identifier or a spatial filter priority receiving rule. Specifically, when the preset identifier includes a first type identifier and a second type identifier, and when the terminal device determines that a signal that needs to be received is determined by using the signal priority, and when it is determined that four spatial receiving filters need to be used for receiving the signal, the terminal device determines three spatial receiving filters from the four spatial receiving filters according to the first type identifier, for example, the three spatial receiving filters are three spatial receiving filters corresponding to a smaller identifier (for example, the smaller identifier is a cell identifier or a cell group identifier) in the first type identifier, for example, the three spatial receiving filters are three spatial receiving filters corresponding to a cell 0 or a primary cell, and then selects one or two spatial receiving filters from the three spatial receiving filters according to the second type identifier to receive the corresponding signal, for example, the terminal device determines one or two spatial receiving filters with smaller second type identifiers (for example, the second type identifiers can be identifiers of downlink control channel PDCCH configuration parameters, control resource set configuration parameter CORSET identifiers, demodulation reference signal DMRS port identifiers, DMRS port group identifiers, transport block identifiers, search space identifiers or search space configuration parameters) from the three spatial receiving filters to receive corresponding signals.

With reference to the first aspect, in certain implementations of the first aspect, the preset rule includes a high-priority signal-first receiving rule, and the M spatial transmit filters include M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nThe spatial transmission filters are respectively used for transmitting a 1 st signal and a 2 nd signal with the same attribute, wherein the priority levels of the 1 st signal and the 2 nd signal … are sequentially reduced, and M is₁、M₂…M_nAre integers greater than or equal to 1;

the terminal equipment receives signals sent by K sending filters in M space sending filters in the same time unit through L space receiving filters according to a preset rule, and the method comprises the following steps:

the terminal device uses the M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to a spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1)；

Alternatively, the first and second electrodes may be,

the terminal device uses the M₁L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters receive signals, wherein L is less than or equal to M₁。

With reference to the first aspect, in certain implementations of the first aspect, at (M)₁+...+M_i)≥L>(M₁+...+M_i-1) The method comprises the following steps:

the L- (M)₁+...M_i-1) A spatial transmission filter of said M_iL- (M) with smaller preset identification corresponding to signal transmitted in spatial transmission filter₁+...M_i-1) A spatial transmission filter or said M_iL- (M) with smaller preset identification corresponding to space transmitting filter₁+...M_i-1) A spatial transmission filter, or, the L- (M)₁+...M_i-1) A spatial transmission filter of said M_iL- (M) of signal transmitted in space transmitting filter corresponding to symbol interval greater than symbol interval threshold₁+...M_i-1) A spatial transmit filter;

at L is less than or equal to M₁The method comprises the following steps:

the L spatial transmission filters are M₁Signals transmitted in a spatial transmit filter or said M₁And L spatial transmission filters with smaller preset identifications corresponding to the spatial transmission filters.

With reference to the first aspect, in certain implementations of the first aspect, the preset rules include signal priority reception rules with the same attribute;

the M spatial transmitting filters comprise Z spatial transmitting filters and W spatial transmitting filters, wherein the attributes of signals transmitted by the Z spatial transmitting filters are different, the attributes of signals transmitted by the W spatial transmitting filters are the same, and Z and W are integers which are larger than or equal to 1;

the terminal equipment receives signals by using L spatial receiving filters corresponding to L spatial transmitting filters in the W spatial transmitting filters, wherein W is more than or equal to L;

alternatively, the first and second liquid crystal display panels may be,

and the terminal equipment receives signals by using the spatial receiving filters corresponding to the W spatial transmitting filters and the spatial receiving filters corresponding to the L-W spatial transmitting filters in the Z spatial transmitting filters, wherein L > W.

With reference to the first aspect, in certain implementations of the first aspect, when W ≧ L:

the L spatial transmission filters are signals transmitted by the W spatial transmission filters or L spatial transmission filters with smaller preset marks corresponding to the W spatial transmission filters,

when L > W:

the L-W spatial transmit filters are signals transmitted from the Z spatial transmit filters or L-W spatial transmit filters with smaller preset identifiers corresponding to the Z spatial transmit filters, or the L-W spatial transmit filters are L-W spatial transmit filters with higher priority of signals transmitted from the Z spatial transmit filters.

the M spatial transmission filters include M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nThe spatial transmission filters are respectively used for transmitting the 1 st signal and the 2 nd signal with the same attribute₁、M₂…M_nAre integers greater than or equal to 1;

the terminal device uses the M₁M corresponding to a spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1) Wherein, the priority level of the 1 st signal and the priority level of the 2 nd signal … n are sequentially reduced;

alternatively, the first and second liquid crystal display panels may be,

the terminal device uses the M₁M corresponding to spatial transmission filter₁A spatial reception filter … said M_nM corresponding to a spatial transmission filter_nOne spatial receiving filter, and L- (M) among Q spatial transmitting filters₁+...M_n) L- (M) corresponding to each spatial transmission filter₁+...M_n) A spatial receiving filter for receiving the signal, wherein L>(M₁+...+M_n) Wherein, the L- (M)₁+...M_n) The spatial transmission filters are signals transmitted in the Q spatial transmission filters or L- (M) with smaller preset marks corresponding to the Q spatial transmission filters₁+...M_n) A spatial transmission filter, or, the L- (M)₁+...M_n) The signal transmitted by the Q spatial transmission filters corresponds to L- (M) with the symbol interval larger than the symbol interval threshold value₁+...M_n) A plurality of spatial transmission filters, wherein the M spatial transmission filters further include the Q spatial transmission filters, and the signal transmitted by the Q spatial transmission filters has different attributes,q is an integer greater than or equal to 1;

alternatively, the first and second electrodes may be,

the terminal device uses the M₁L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters receive signals, wherein L is less than or equal to M₁Wherein the 1 st signal has the highest priority among the 1 st signal, the 2 nd signal … nth signal;

alternatively, the first and second electrodes may be,

the terminal device uses the M₁Receiving signals by L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters, wherein the L spatial transmitting filters are the M spatial transmitting filters₁L spatial transmission filters with symbol intervals larger than a symbol interval threshold corresponding to signals transmitted in the spatial transmission filters, wherein L is less than or equal to M₁；

Alternatively, the first and second liquid crystal display panels may be,

the terminal device uses the M₁L in a spatial transmit filter₁L corresponding to each spatial transmission filter₁A receiving filter, and said M₂L in a spatial transmit filter₂L corresponding to each spatial transmission filter₂A receiving filter receiving the signal, wherein L₁The signal transmitted in each spatial transmission filter corresponds to a symbol interval greater than a symbol interval threshold, M₁Residual M in a spatial transmit filter₁-L₁The signal transmitted by each spatial transmission filter corresponds to a symbol interval less than a symbol interval threshold, L₂A spatial transmission filter of said M₂The signal transmitted in each space transmitting filter or the L with smaller preset identification corresponding to the space transmitting filter₂A spatial transmission filter, L ═ L₁+L₂，L₁And L₂Are integers greater than or equal to 1.

With reference to the first aspect, in certain implementations of the first aspect, the preset rule includes a preset low-identification signal or spatial filter preferential reception rule,

and the terminal equipment selects the L spatial receiving filters corresponding to the L spatial transmitting filters with smaller preset identifications from the M spatial transmitting filters to receive signals in the same time unit.

In a second aspect, a method of transmitting a signal is provided, the method comprising:

the method comprises the steps that network equipment sends at least one indication message to terminal equipment, wherein the at least one indication message is used for indicating that the terminal equipment needs to receive signals from M spatial transmitting filters in the same time unit, the number of the spatial receiving filters supported by the terminal equipment is N, M is greater than N, and M and N are integers;

and the network equipment sends signals through the M spatial sending filters, so that the terminal equipment receives the signals sent by K sending filters in the M spatial sending filters in the same time unit through L spatial receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M.

With reference to the second aspect, in one implementation manner, the preset rule includes at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

presetting a signal with a small identifier or a preferential receiving rule of a spatial filter;

the signal with large symbol interval is received preferentially.

It is to be understood that the second aspect corresponds to the first aspect, and the execution subject of the second aspect may be a network device interacting with the execution subject terminal device of the first aspect. Corresponding description of the second aspect may refer to the description in the first aspect. To avoid repetition, detailed description is appropriately omitted here.

In combination with the first or second aspect, in one implementation,

the M spatial transmission filters include one spatial filter for transmitting a third signal, the one spatial filter belongs to a spatial transmission filter other than the K spatial transmission filters among the M spatial transmission filters, and the method further includes:

the terminal equipment receives the third signal according to a space receiving filter corresponding to a space transmitting filter with a smaller preset identification corresponding to a channel transmitted in the K space transmitting filters;

alternatively, the first and second liquid crystal display panels may be,

the terminal equipment receives the third signal according to a space receiving filter corresponding to one space transmitting filter corresponding to the signal which is transmitted in the K space transmitting filters and has the incidence relation with the third signal;

alternatively, the first and second electrodes may be,

the terminal equipment receives the third signal according to a space receiving filter corresponding to a space transmitting filter with the highest signal priority level in the K space transmitting filters;

alternatively, the first and second electrodes may be,

and the terminal equipment receives the third signal according to the space receiving filter, of which the symbol interval corresponding to the signal sent by the K space sending filters is larger than the symbol interval threshold value.

Therefore, the scheme for acquiring the third signal is provided in the embodiment of the application, and the problem that the terminal equipment cannot acquire the third signal under the condition that the type-D QCL of the third signal is not configured is solved.

In a third aspect, a method of transmitting a signal is provided, the method comprising:

the method comprises the steps that a terminal device receives signals sent by K sending filters in M space sending filters in the same time unit through L space receiving filters, the number of the space receiving filters supported by the terminal device is N, M is larger than N, M and N are integers, L is smaller than or equal to N, K is smaller than M, the M space sending filters comprise a space filter used for sending a third signal, and the space filter belongs to space sending filters except the K space sending filters in the M space sending filters;

alternatively, the first and second electrodes may be,

Or

And the terminal equipment receives the third signal according to a space receiving filter corresponding to one space transmitting filter with the attribute of the signal transmitted in the K space transmitting filters being the predefined attribute.

The above attributes mainly refer to the type of DCI/PDCCH, including different configurations of main and auxiliary DCI/PDCCH, fast and slow DCI/PDCCH, two-level DCI, DCI format, and the same DCI format. If the signal is a PDCCH, the predefined attribute means that the PDCCH (or DCI carried by the PDCCH) is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_1 and/or a DCI/PDCCH configured with 2 TBs; the method is used for the auxiliary DCI/PDCCH and/or the fast DCI/PDCCH and/or the second-level DCI/PDCCH and/or the DCI/PDCCH with the format of 1_0 and/or the DCI/PDCCH configured with 1 transport block TB. If the signal is not DCI/PDSCH, the predefined attribute means that the DCI/PDCCH corresponding to/associated with the channel/signal has the attribute, for example, PDSCH, means that the DCI/PDCCH for scheduling the PDSCH has the attribute; the CSI-RS means that the DCI/PDCCH triggering the CSI-RS has the above attributes.

The main DCI/PDCCH refers to that the auxiliary DCI only includes an indication field included in a part of the main DCI, that is, the main DCI includes more parameters or indication information than the auxiliary DCI, or the main DCI may also be a DCI including some specific parameter or certain specific parameters, for example, the specific parameter may be carrier indication information (carrier indicator), partial bandwidth indication information (bandwidth part indicator), rate matching indication information (rate matching indicator), zero power channel state information-reference signal trigger information (ZP CSI-RS trigger); accordingly, the secondary DCI may be a DCI that does not include a certain parameter or parameters, e.g., does not include the specific parameters described above. The fast and slow DCI/PDCCH means that the two DCI/PDCCHs have different occurrence frequencies, and the fast DCI/PDCCH has high occurrence frequency. The two-stage DCI/PDCCH refers to 2 types of DCI/PDCCH having indication relationship, for example, the first-stage DCI indicates whether the second-stage DCI exists and/or a time domain and/or a frequency domain position where the second-stage DCI is located. DCI format, i.e. 1 piece of DCI is format 1_0, and the other is format 1_ 1. Different configurations of the same DCI format, that is, the formats of 2 DCIs are the same, but the enabled fields (fields) are different, for example, 1 DCI includes only one MCS field, one RV field, and one NDI field corresponding to 1 TB; another DCI contains 2 TBs corresponding fields, i.e., the other DCI includes two MCS fields, two RV fields, and two NDI fields.

In a fourth aspect, a method of transmitting a signal is provided, the method comprising:

the network equipment transmits signals to the terminal equipment through M spatial transmitting filters, so that the terminal equipment receives signals transmitted by K transmitting filters in the M spatial transmitting filters in the same time unit through L spatial receiving filters, the number of the spatial receiving filters supported by the terminal equipment is N, M > N, M and N are integers, L is less than or equal to N, and K is less than M, wherein the M spatial transmitting filters comprise a spatial filter used for transmitting a third signal, and the spatial filter belongs to the spatial transmitting filters except the K spatial transmitting filters in the M spatial transmitting filters;

the terminal device receives the third signal according to a space receiving filter corresponding to a space transmitting filter with a smaller preset identifier corresponding to a channel transmitted in the K space transmitting filters;

alternatively, the first and second electrodes may be,

the third signal is received by the terminal device according to a spatial receiving filter corresponding to one spatial transmitting filter corresponding to a signal which is transmitted by the K spatial transmitting filters and has an association relation with the third signal;

alternatively, the first and second electrodes may be,

the third signal is received by the terminal device according to a spatial receiving filter corresponding to a spatial transmitting filter with the highest signal priority transmitted in the K spatial transmitting filters;

alternatively, the first and second electrodes may be,

and the third signal is received by the terminal equipment according to the spatial receiving filter of which the symbol interval corresponding to the signal transmitted in the K spatial transmitting filters is larger than the symbol interval threshold value.

Or

And the third signal is received by the terminal equipment according to a spatial receiving filter corresponding to one spatial transmitting filter with the attribute of the signal transmitted in the K spatial transmitting filters being the predefined attribute.

It is to be understood that the fourth aspect corresponds to the third aspect, and the execution subject of the fourth aspect may be a network device interacting with the execution subject terminal device of the third aspect. Corresponding description of the fourth aspect may refer to the description in the third aspect. To avoid repetition, detailed description is appropriately omitted here.

In a fifth aspect, a communication device is provided, which includes various means or units for performing the method of any one of the possible implementations of the first aspect or the third aspect, the first aspect or the third aspect.

In one implementation, the communication device is a terminal device.

In a sixth aspect, a communication device is provided, which comprises means for performing the methods of the second aspect or any one of the possible implementations of the fourth aspect, the second aspect or the fourth aspect.

In one implementation, the communication device is a network side device.

In a seventh aspect, a communications apparatus is provided that includes a transceiver, a processor, and a memory. The processor is configured to control the transceiver to transceive signals, the memory is configured to store a computer program, and the processor is configured to retrieve and execute the computer program from the memory, so that the network device performs the method of the first aspect or the third aspect and possible implementations thereof.

In one implementation, the communication device is a terminal device.

In an eighth aspect, a communications apparatus is provided that includes a transceiver, a processor, and a memory. The processor is configured to control the transceiver to transceive signals, the memory is configured to store a computer program, and the processor is configured to retrieve and execute the computer program from the memory, so that the terminal device performs the method of the second aspect or the fourth aspect and possible implementation manners thereof.

In one implementation, the communication device is a network side device.

In a ninth aspect, there is provided a computer readable medium having stored thereon a computer program which, when executed by a computer, implements the method of the first or third aspect and possible implementations thereof.

A tenth aspect provides a computer readable medium having stored thereon a computer program which, when executed by a computer, implements the method of the second or fourth aspect and possible implementations thereof. .

In an eleventh aspect, there is provided a computer program product which, when executed by a computer, implements the method of the first or third aspect and possible implementations thereof. .

In a twelfth aspect, a computer program product is provided which, when executed by a computer, implements the method of the second or fourth aspect and its possible implementations. .

In a thirteenth aspect, a processing apparatus is provided that includes a processor and an interface.

In a fourteenth aspect, a processing apparatus is provided that includes a processor, an interface, and a memory.

In a thirteenth aspect or a fourteenth aspect, the processor is configured to perform the methods as an execution subject of the methods in any possible implementation manner of the first to fourth aspects or the first to fourth aspects, where relevant data interaction processes (e.g. sending or receiving data transmission) are completed through the interface. In a specific implementation process, the interface may further complete the data interaction process through a transceiver.

It should be understood that the processing device in the thirteenth aspect or the fourteenth aspect may be a chip, the processor may be implemented by hardware or by software, and when implemented by hardware, the processor may be a logic circuit, an integrated circuit, or the like; when implemented in software, the processor may be a general-purpose processor implemented by reading software code stored in a memory, which may be integrated with the processor, located external to the processor, or stand-alone.

In a fifteenth aspect, a system is provided, which includes the foregoing network device and terminal device.

Drawings

Fig. 1 is a schematic diagram of a scenario to which an embodiment of the present application is applicable.

Fig. 2 is a flow diagram of a method of communication according to one embodiment of the present application.

Fig. 3 is a schematic illustration of signal transmission according to an embodiment of the present application.

Fig. 4 is a signal transmission diagram according to another embodiment of the present application.

Fig. 5 is a schematic diagram of signal transmission according to another embodiment of the present application.

Fig. 6 is a schematic diagram of signal transmission according to another embodiment of the present application.

Fig. 7 is a schematic diagram of signal transmission according to another embodiment of the present application.

Fig. 8 is a schematic diagram of a terminal device antenna panel according to one embodiment of the present application.

Fig. 9 is a flow chart illustrating a method of communication according to another embodiment of the present application.

Fig. 10 is a schematic diagram of signal transmission according to another embodiment of the present application.

Fig. 11 is a schematic block diagram of a communication device of the present application.

Fig. 12 is a schematic block diagram of a terminal device according to the present application.

Fig. 13 is a schematic block diagram of another communication device of the present application.

Fig. 14 is a schematic block diagram of a network device of the present application.

Detailed Description

The technical solution in the present application will be described below with reference to the accompanying drawings.

Embodiments of the present application are applicable to various communication systems, and thus, the following description is not limited to a specific communication system. For example, the embodiments of the present application may be applied to a global system for mobile communications (GSM) system, a Code Division Multiple Access (CDMA) system, a Wideband Code Division Multiple Access (WCDMA) system, a General Packet Radio Service (GPRS), a Long Term Evolution (LTE) system, a Frequency Division Duplex (FDD) system, a Time Division Duplex (TDD) system, a Universal Mobile Telecommunications System (UMTS), a Worldwide Interoperability for Microwave Access (WiMAX) communication system, a fifth generation (5, 5) wireless Network (NR) system, or the like.

Fig. 1 shows a schematic block diagram of a wireless communication system 100 suitable for use in embodiments of the present application. The wireless communication system 100 may include a first network device 110, a second network device 120, and one or more terminal devices 130 located within the coverage area of the first network device 110 and the second network device 120. The terminal device 130 may be mobile or stationary. First network device 110 and second network device 120 may each communicate with terminal device 130 over a wireless air interface. First network device 110 and second network device 120 may provide communication coverage for a particular geographic area and may communicate with terminal devices located within the coverage area.

It should be understood that "first", "second", and the like in the embodiments of the present application are merely for distinguishing one from another, and the first and second are not intended to limit the embodiments of the present application.

The first network device 110 or the second network device 120 may be a Base Transceiver Station (BTS) in a global system for mobile communications (GSM) system or a Code Division Multiple Access (CDMA) system, a base station (NodeB, NB) in a Wideband Code Division Multiple Access (WCDMA) system, an evolved NodeB (eNB, or eNodeB) in an LTE system, or a wireless controller in a Cloud Radio Access Network (CRAN) scenario, or the network device may be a relay station, an access point, a vehicle device, a wearable device, a network device in a 5G network or a network device in a future evolved PLMN network, etc., for example, a transmission point (TRP or TP) in an NR system, a base station (gNB) in an NR system, one or a set (including multiple antenna panels) of antenna panels of base stations in a 5G system, and the like. The present embodiment is not particularly limited to this.

Terminal equipment 130 may also be referred to as User Equipment (UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a remote terminal, a mobile device, a user terminal, a wireless communication device, a user agent, or a user device. The access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a handheld device with wireless communication function, a computing device or other processing device connected to a wireless modem, a vehicle-mounted device, a wearable device, a drone device, a terminal device in a 5G network or a terminal device in a Public Land Mobile Network (PLMN) for future evolution, and the like, which are not limited in this embodiment.

The wireless communication system 100 may support Multi-transmission point (Multi-TRP) transmission, for example, CoMP transmission, where at least two network devices (transmission points) transmit downlink data to a terminal device in a coordinated Multi-point transmission manner, in other words, the terminal device 130 may communicate with the first network device 110 and the second network device 120 on the same carrier, where the coordinated Multi-point transmission manner may be implemented by using technologies such as spatial diversity and/or spatial multiplexing, which is not limited in this application.

The term "coordinated multipoint transmission" in this application includes, but is not limited to, joint transmission JT. JT includes coherent JT and non-coherent JT (NCJT), which are distinguished in that NCJT performs beamforming on different MIMO data streams from multiple cooperating TPs, respectively, and coherent JT performs beamforming on all MIMO data streams from multiple cooperating TPs in a joint manner.

In this embodiment, the first network device may be a serving network device, and the second network device may be a cooperative network device; alternatively, the first network device may be a cooperative network device and the second network device may be a serving network device.

In a scenario of applying coordinated multipoint transmission, the serving network device may send a control signaling to the terminal device, and the coordinated network device may send data to the terminal device; alternatively, the serving network device may send control signaling to the terminal device, and the serving network device and the cooperating network device may send data to the terminal device at the same time, or the serving network device and the cooperating network device may send control signaling to the terminal device at the same time, and the serving network device and the cooperating network device may send data to the terminal device at the same time. The present embodiment is not particularly limited to this. Communication, such as control message transfer, can be performed between the service network device and the cooperative network device and between the plurality of cooperative network devices.

Taking the first network device as a serving network device and the second network device as a cooperative network device as an example, the number of the second network devices may be one or more, and the second network devices and the first network devices are QCL (Quasi-Co-Location) network devices that satisfy different requirements. It should be understood that the first network device and the second network device may also both be serving network devices, and the embodiments of the present application are not limited thereto.

It should be understood that, in the embodiment of the present application, the definition of QCL may refer to the definition in LTE, that is, a signal transmitted from an antenna port of QCL may undergo the same large-scale fading, where the large-scale fading includes delay spread, doppler shift, average channel gain, and average delay. However, the embodiments of the present application are not limited thereto, for example, the large scale fading may further include spatial domain information, such as an angle of transmission (AOA), an angle of Arrival (AOD), a channel correlation matrix, a power spreading spectrum, and the like, and the definition of the QCL may also refer to the correlation definition in fig. 5G.

A Transmission Configuration Indicator (TCI) is transmitted in the NR for indicating a QCL relationship between two reference signals, where a target reference signal may generally be a demodulation reference signal (DMRS), and the referenced reference signals may generally be a channel state information reference signal (CSI-RS) and an SSB (SS/PBCH block). A TCI state (TCI state) may contain one or two referenced reference signals and an associated QCL type (QCL type). QCL types can be divided into four categories, a/B/C/D. From the beam management perspective, the most directly relevant is the Tpye-D QCL. That is, the pairing relationship between the transmission beam of the base station and the reception beam of the terminal device is indicated by the TCI configured with type-D QCL, and the reception beams of the terminal devices corresponding to two signals satisfying QCL for type-D are the same.

In NR, the base station may transmit different signals/channels on the same time unit (e.g., OFDM symbol), e.g., the base station transmits PDSCH and PDCCH simultaneously on a certain OFDM symbol. According to the current NR protocol, the base station respectively configures QCLs for DMRS of PDSCH and DMRS of PDCCH. If the type-D QCL is indicated, the terminal device may respectively determine the receiving beams corresponding to the PDCCH and the PDSCH according to the configured type-D QCL of the PDCCH and the PDSCH in combination with the previous beam training. Since the PDCCH and PDSCH are transmitted simultaneously and their corresponding reception beams are determined separately, this case requires the terminal device to have the capability of receiving 2 beams in the same time unit. But not necessarily all terminal devices support the capability to receive 2 beams in the same time unit. The NR protocol discusses how to ensure the normal operation of the system when the number of received beams corresponding to signals/channels simultaneously transmitted by the base station exceeds the capability of the terminal device.

There is no scheme in the existing NR for selecting a received signal in a multi-point transmission scenario, that is, in the multi-point transmission scenario, a plurality of transmission points may transmit signals to a terminal device at the same time, and when the number of receiving beams corresponding to the plurality of transmission points transmitting the signals is greater than the receiving capability of the terminal device (for example, the number of receiving beams corresponding to the plurality of transmission points transmitting the signals is greater than the number of receiving beams supported by the terminal device for receiving the signals in the same time unit), the terminal device cannot decide the signal to be received.

In view of the above problems, the present application provides a method for transmitting a signal, which enables a terminal device to decide a signal to be received according to a preset rule, and thus can solve the problems in the prior art.

For convenience of understanding and explanation, the following description will be given, by way of example and not limitation, of the implementation and actions of the method for transmitting signals in the present application in a communication system.

It should be understood that, in the embodiment of the present application, the terminal device or the network device includes a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer. The hardware layer includes hardware such as a Central Processing Unit (CPU), a Memory Management Unit (MMU), and a memory (also referred to as a main memory). The operating system may be any one or more computer operating systems that implement business processing through processes (processes), such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a windows operating system. The application layer comprises applications such as a browser, an address list, word processing software, instant messaging software and the like. Furthermore, the embodiment of the present application does not particularly limit the specific structure of the execution main body of the method provided by the embodiment of the present application, as long as the communication can be performed according to the method provided by the embodiment of the present application by running the program recorded with the code of the method provided by the embodiment of the present application, for example, the execution main body of the method provided by the embodiment of the present application may be a terminal device or a network device, or a functional module capable of calling the program and executing the program in the terminal device or the network device.

In addition, various aspects or features of the present application may be implemented as a method, apparatus, or article of manufacture using standard programming and/or engineering techniques. The term "article of manufacture" as used herein is intended to encompass a computer program accessible from any computer-readable device, carrier, or media. For example, computer-readable media can include but are not limited to magnetic storage devices (e.g., hard disk, floppy disk, magnetic strips, etc.), optical disks (e.g., Compact Disk (CD), Digital Versatile Disk (DVD), etc.), smart cards, and flash memory devices (e.g., erasable programmable read-only memory (EPROM), card, stick, or key drive, etc.). In addition, various storage media described herein can represent one or more devices and/or other machine-readable media for storing information. The term "machine-readable medium" can include, without being limited to, wireless channels and various other media capable of storing, containing, and/or carrying instruction(s) and/or data.

It should be understood that the joint transmission scenario applicable to the embodiment of the present application shown in fig. 1 may be a joint transmission scenario of a homogeneous network or a joint transmission scenario of a heterogeneous network, and the embodiment of the present application is not limited thereto.

It should also be understood that the scene shown in fig. 1 may be a low-frequency scene or a high-frequency scene, and this is not limited in this embodiment of the application.

For ease of understanding and explanation, the following description will be given by way of example, and not by way of limitation, of the implementation and actions of the method of the present application in a communication system.

It should be noted that, some names and english in the present application are simply referred to as descriptions of the embodiment of the present application taking the LTE system as an example, but the embodiment of the present application is not limited thereto, and may change with the evolution of the network, and for a specific evolution, reference may be made to descriptions in corresponding standards, for example, reference may be made to corresponding descriptions in 5G.

Fig. 2 is a schematic flow chart diagram of a method 200 of communication according to one embodiment of the present application. The method shown in fig. 2 may be applied to a Multi-TRP enabled communication system, such as a CoMP system, as shown in fig. 1. The method 200 shown in FIG. 2 includes:

210, the network device sends at least one indication message to the terminal device.

Specifically, the at least one indication message is used to instruct the terminal device to receive signals from the M spatial transmission filters in the same time unit.

Correspondingly, the terminal equipment determines that signals from M spatial transmitting filters need to be received in the same time unit, wherein the number of the spatial receiving filters supported by the terminal equipment is N, M is greater than N, and M and N are integers;

specifically, the terminal device determines that the signals from the M spatial transmission filters need to be received in the same time unit according to at least one indication message sent by the network device. For example, the terminal device determines that the signals and/or channels are transmitted on the same time unit according to the spatial parameters of the respective signals and/or channel configurations.

It should be understood that the at least one indication message may include one indication information and may also include a plurality of indication messages, and when the at least one indication message includes a plurality of indication messages, the plurality of indication messages may be sent together by the network device or sent separately by the network device. In other words, the multiple indication messages may be sent by the network device through one signaling, or may be sent by the network device through multiple signaling, and the embodiment of the present application is not limited thereto.

It should be understood that, in this embodiment of the present application, the signals transmitted by the M spatial transmission filters may be from at least two network devices, or the signals of the M spatial transmission filters may correspond to at least two DCIs for scheduling downlink data, or the signals of the M spatial transmission filters may have two signals with the same attribute, or the M spatial transmission filters may be divided into at least two groups, or the M spatial transmission filters correspond to antenna panels of at least two terminal devices, and the like, and this embodiment of the present application is not limited thereto.

It should be understood that the spatial filter in the embodiments of the present application may be referred to as a beam, wherein the spatial transmit filter (or transmit filter) may be referred to as a transmit beam, and the spatial receive filter (or receive filter) may be referred to as a receive beam. In the embodiment of the present application, the beam may be a wide beam, a narrow beam, or another type of beam. In the present application, the technique of forming the beam may be a beamforming technique or other technical means. The beamforming technique may specifically be a digital beamforming technique, an analog beamforming technique or a hybrid digital/analog beamforming technique, for example.

In other words, the beam may be embodied in the NR protocol as a spatial filter, or a spatial filter or spatial parameters. A beam used for transmitting a signal may be referred to as a transmission beam (Tx beam), may be referred to as a spatial domain transmit filter (spatial domain transmit filter), or a spatial domain transmit parameter (spatial domain transmit parameter); the beam used for receiving the signal may be referred to as a reception beam (Rx beam), may be referred to as a spatial domain receive filter (spatial domain receive filter), or a spatial domain receive parameter (spatial domain receive parameter). The transmission beam may refer to the distribution of signal strength formed in different spatial directions after the signal is transmitted through the antenna, and the reception beam may refer to the distribution of signal strength of the wireless signal received from the antenna in different spatial directions.

In this embodiment of the present application, the M spatial transmission filters may be spatial transmission filters with different directions, and optionally, the M spatial transmission filters may also have the same direction of some spatial transmission filters. Optionally, the number of directions corresponding to the M spatial transmit filters is greater than N, that is, greater than the number of spatial receive filters supported by the terminal device. Of course, in practical application, the number of directions corresponding to the M spatial transmission filters may also be less than or equal to N. The embodiment of the present application mainly aims at how the terminal device decides a scheme of how to select a signal that needs to be received when the number of directions corresponding to the M spatial transmission filters is greater than N, but the embodiment of the present application is not limited thereto, and of course, the signal reception priority selection scheme of the present application may also be applied when the number of directions corresponding to the M spatial transmission filters is less than or equal to N.

It should be understood that the signal in the embodiment of the present application may be a reference signal, may also be control information, may also be data, and the like, and the embodiment of the present application is not limited thereto. For example, the signal in the embodiment of the present application may include at least one of the following signals: control information carried by a Physical Downlink Control Channel (PDCCH), data carried by a Physical Downlink Shared Channel (PDSCH), a channel state information reference signal (CSI-RS) signal, and a signal carried by a synchronization signal/broadcast channel block (SSB).

It should be understood that the at least one indication message may include at least one of a Radio Resource Control (RRC) message, a Medium Access Control (MAC) message, or Downlink Control Information (DCI).

For example, the network device instructs the M spatial transmit filters to each transmit a signal over the first time unit via at least one indication message. For example, the network device may instruct the UE to detect the PDCCH on OFDM symbol 1 through RRC signaling, where a corresponding transmit spatial filter is 1; indicating PDSCH to be transmitted in OFDM symbol 1 through DCI, wherein the corresponding spatial transmission filter is 2; the CSI-RS is instructed by the MAC message to be transmitted on OFDM symbol 1, its corresponding spatial transmit filter is 2, etc.

Accordingly, the terminal device determines the signal to be received on OFDM symbol 1 and the corresponding spatial transmit filter according to the at least one indication message, i.e., the RRC message, the DCI, and the MAC message.

The network device transmits the signal through the M spatial transmit filters 220.

Correspondingly, the terminal equipment receives signals sent by K sending filters in the M space sending filters in the same time unit through the L space receiving filters according to a preset rule, wherein L is smaller than or equal to N, and K is smaller than M.

Generally, the number of directions corresponding to the M spatial transmission filters is greater than N, and in order to receive a signal sent by the network device as much as possible, a value of L in the embodiment of the present application may be N, but the embodiment of the present application is not limited thereto.

It is understood that K can be greater than or equal to L. For example, K transmit filters may be equal to L when K directions correspond to K directions. When the number of directions corresponding to the K transmit filters is less than K, K may be greater than L. It should be noted that, in the embodiment of the present application, if the number of directions corresponding to the M spatial transmission filters is less than or equal to N, K may also be equal to M when the rule of the present application is applied.

Therefore, the embodiment of the application provides a scheme that the terminal device decides the signal to be received when the receiving capability of the terminal device cannot meet the requirement of receiving all signals sent by the network device, and the problems in the prior art are solved.

In the embodiment of the application, the terminal device can determine the signals required to be received according to a plurality of preset rules.

Optionally, by way of example, and not limitation, the preset rule includes at least one of the following five rules:

rule one is as follows:

the high priority signal takes precedence of the reception rule.

Specifically, each signal corresponds to a priority, and the terminal device may receive signals in order from high to low based on the signal priorities. It should be understood that the priority corresponding to each signal may be a priority corresponding to the signal itself, or a priority corresponding to a channel carrying the signal, and the embodiment of the present application is not limited thereto.

Rule two:

the signals with the same attribute are received preferentially.

The PDSCH attribute is the same, i.e. the Radio Network Temporary Identity (RNTI) nrtis corresponding to the 2 PDSCHs are the same, and are, for example, paging-RNTI (P-RNTI), system information RNTI (SI-RNTI), random access-RNTI (RA-RNTI), configured scheduling-RNTI (CS-RNTI), or cell-RNTI (C-RNTI).

The PDCCH has the same attribute, which may be any one of the following three cases, for example, but the application is not limited thereto:

the first condition is as follows: it means that the 2 PDCCHs are of the same type, for example, all of the PDCCHs are a cell common control channel (common PDCCH) or all of the PDCCHs are user equipment dedicated control channels (UE specific PDCCH), and the embodiment of the present invention is not limited thereto.

The CSI-RS attributes are the same, and may be any one of the following three cases, for example, but the application is not limited thereto:

Case three: the periodic behaviors of the 2 CSI-RSs are the same and the purposes are the same, for example, the periodic CSI-RSs (P CSI-RS for BM) used for beam management, the Semi-persistent CSI-RSs (Semi persistent CSI-RS for BM) used for beam management or the aperiodic CSI-RSs (AP CSI-RS for BM) used for beam management are all used; a periodic CSI-RS (P CSI-RS for CSI acquisition), a Semi-persistent CSI-RS (Semi-persistent CSI-RS for CSI acquisition) for CSI acquisition, or an aperiodic CSI-RS (AP CSI-RS for CSI acquisition) for CSI acquisition; a periodic CSI-RS (P CSI-RS for RLM/BFR) used for beam failure recovery or radio link monitoring, a Semi-persistent CSI-RS (Semi persistent CSI-RS for RLM/BFR) used for beam failure recovery or radio link monitoring, or an aperiodic CSI-RS (AP CSI-RS for RLM/BFR) used for beam failure recovery or radio link monitoring.

Rule three:

In the embodiment of the present application, the PDCCH configuration parameter may be PDCCH configuration (PDCCH-Config). The PDCCH-Config may include CORESET and a search space (search space), and includes parameters for detecting candidate PDCCHs. The CORESET can be called as a control resource set, namely, time-frequency resources of the CORESET, such as the size of a resource block occupied by a frequency domain, the number of symbols occupied by a time domain and the like; it can also be called as control resource set configuration parameter, that is, the related parameter of signaling configuration, and is used to obtain the CORESET time-frequency resource. The search space may be referred to as a search space configuration parameter, i.e. a parameter related to signaling configuration, for obtaining when and in what manner to search for candidate or possible PDCCHs; the search space may also refer directly to where the PDCCH candidates are detected, or where detection is needed.

Specifically, when the preset identifier includes a first type identifier, for example, in the embodiment of the present application, the Y transmit spatial filters may be determined according to the first type identifier by following at least one of the following rules:

1. and the signal priority receiving rule with smaller cell identification.

3. The signal in the primary cell is received preferentially.

For example, in the case where there are a primary cell signal and a secondary cell signal, the terminal device determines Y transmission spatial transmission filters from among M spatial transmission filters according to a rule of preferentially receiving the signal of the primary cell.

4. The signal in the master cell group is received preferentially.

Rule four:

the signal with large symbol interval is received preferentially.

It should be understood that the symbol interval of a signal represents the interval between the symbol of the PDCCH with which the signal is associated and the symbol of the signal.

Rule five:

signal priority reception rule with predefined attribute

The attributes mainly refer to the type of the DCI/PDCCH, and include different configurations of main and auxiliary DCI/PDCCH, fast and slow DCI/PDCCH, two-level DCI, DCI format (format), and the same DCI format. For example, one DCI includes a Modulation and Coding Scheme (MCS) field which may be a MCS (modulation and coding scheme) field for configuring a modulation order and a code rate, a Redundancy Version (RV) field for indicating a current version number, and a New Data Indicator (NDI) field for indicating New transmission or retransmission, and another DCI includes two MCS fields, two RV fields, and two NDI fields. If the signal/signal is a PDCCH, the predefined attribute may refer to that the PDCCH (or DCI carried by the PDCCH) is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_1 and/or a DCI/PDCCH with 2 Transport Block (TB) configuration fields, that is, the PDCCH (or DCI carried by the PDCCH) with the attribute is preferentially received, where each configuration field includes one MCS field, one RV field, and one NDI field; the predefined attribute may also mean that the PDCCH (or DCI carried by the PDCCH) is a secondary DCI/PDCCH and/or a fast DCI/PDCCH and/or a second-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_0 and/or a DCI/PDCCH with 1 TB configuration field, that is, the PDCCH (or DCI carried by the PDCCH) with the attribute is preferentially received. If the signal/channel is not DCI/PDSCH, the predefined attribute means that the DCI/PDCCH corresponding/associated with the channel/signal has the attribute, for example, PDSCH means that the DCI/PDCCH scheduling the PDSCH has the attribute; the CSI-RS means that the DCI/PDCCH triggering the CSI-RS has the above attributes. For example, if the DCI/PDCCH for scheduling the PDSCH is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_1 and/or a DCI/PDCCH with 2 TB configuration domains exists, the PDSCH is preferentially received; and if the DCI/PDCCH triggering the CSI-RS is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with the format of 1_1 and/or a DCI/PDCCH with 2 TB configuration domains exists, the CSI-RS preferentially receives the DCI/PDCCH.

Rule six:

Rule six may be used in conjunction with the rule. Specifically, the terminal device first receives signals from high to low according to a rule-one priority, and if the number of spatial transmission filters corresponding to the priority signal is greater than the number of spatial reception filters available at the time of the terminal when a certain priority is reached, further determines the received signals according to a rule that six signals having a correspondence/association relationship with the high-priority signals are received preferentially. If there are multiple higher priorities before the current priority, the corresponding/association relationship includes determining the signals to be received according to the priority from high to low. For example according to rulesDetermining that the CSI-RS needs to be received when the priority reaches a certain priority, wherein the CSI-RS needing to be received corresponds to Y₁A plurality of spatial transmitting filters, wherein the number of the terminal side available spatial receiving filters is X₁(Y₁>X₁) And the signal with higher priority than the CSI-RS comprises a PDCCH and a PDSCH, and the priority of the PDCCH is higher than that of the PDSCH, the CSI-RS corresponding to/associated with the PDCCH is received first, and then the CSI-RS corresponding to/associated with the PDSCH is received according to the sixth rule.

For example, if the terminal device determines that the PDSCH needs to be received currently and a signal with a higher priority than the PDSCH is PDCCH/DCI, the correspondence/association relationship may be: 1) PDSCH is high priority DCI/PDCCH scheduled; 2) the configuration information corresponding to the PDSCH is associated with the configuration information of the PDCCH/DCI. The downlink control information configuration information may be a downlink control channel configuration parameter (PDCCH-configuration), a control resource set (core) configuration parameter or a search space configuration parameter (search space). The downlink control information configuration information may also be a downlink control channel configuration parameter group (PDCCH-configuration group), a control resource set configuration parameter group (CORESET group), or a search space configuration parameter group (search space group).

For example, when the CSI-RS is currently received and the previous high-priority signal is a PDSCH, the correspondence/association relationship may be: 1) the CSI-RS is high priority DCI/PDCCH triggered; 2) the configuration information corresponding to the CSI-RS is associated with the configuration information corresponding to the PDSCH.

It should be understood that in practical applications, the terminal device may receive signals according to only one of the above rules, or may receive signals according to multiple rules. For example, the terminal device may first determine the received signal according to a rule, and in the case that the terminal device cannot determine the final received signal, the terminal device may determine the received signal according to a rule again on the basis of the determination until the terminal device can determine the final received signal. For another example, the six rules may have a sequential usage order, for example, the usage order of the six rules is from rule one to rule six, that is, the terminal device first determines the received signal using rule one, and does not consider the following rules when determining the final received signal; in the case where it is determined that the final received signal cannot be obtained, the terminal device determines the received signals using the latter rule in turn until the terminal device can determine the final received signal. For another example, the terminal device may determine a signal that needs to be received by using a rule one plus a rule three, specifically, the terminal device may determine the signal that needs to be received according to the priority of the signal, and if the number of spatial transmit filters corresponding to the determined signal is still greater than the number of spatial receive filters on the terminal side, the terminal device determines the received signal by using a signal with a small preset identifier or a spatial filter priority receiving rule. For example, assuming that the terminal device supports two receiving beams, when the terminal device determines that a signal to be received needs to be received by using the signal priority, and when it determines that the signal needs to be received by using four spatial receiving filters, the terminal device further selects one or two spatial receiving filters from the four spatial receiving filters to receive the corresponding signal by using a signal with a small preset identifier or a spatial filter priority receiving rule. Specifically, when the preset identifier includes a first type identifier and a second type identifier, and when the terminal device determines that a signal that needs to be received is determined by using the signal priority, and when it is determined that four spatial receiving filters need to be used for receiving the signal, the terminal device determines three spatial receiving filters from the four spatial receiving filters according to the first type identifier, for example, the three spatial receiving filters are three spatial receiving filters corresponding to a smaller identifier (for example, the smaller identifier is a cell identifier or a cell group identifier) in the first type identifier, for example, the three spatial receiving filters are three spatial receiving filters corresponding to a cell 0 or a primary cell, and then selects one or two spatial receiving filters from the three spatial receiving filters according to the second type identifier to receive corresponding signals, for example, the terminal device determines one or two spatial receiving filters with smaller second type identifiers (for example, the second type identifiers can be identifiers of downlink control channel PDCCH configuration parameters, control resource set configuration parameter CORSET identifiers, demodulation reference signal DMRS port identifiers, DMRS port group identifiers, transport block identifiers, search space identifiers or search space configuration parameters) from the three spatial receiving filters to receive corresponding signals.

The following describes in detail specific schemes of the terminal device receiving signals according to the preset rule in the embodiment of the present application with reference to specific examples respectively.

In one form of implementation, the first and second electrodes are,

the preset rule comprises a high-priority signal priority receiving rule, and the M spatial transmission filters comprise M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nThe spatial transmission filters are respectively used for transmitting a 1 st signal and a 2 nd signal with the same attribute, wherein the priority levels of the 1 st signal and the 2 nd signal … are sequentially reduced, and M is₁、M₂…M_nAre integers greater than or equal to 1;

the terminal device uses the M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1)。

Alternatively, the first and second electrodes may be,

It should be understood that at M₁、M₂… or M_nWhen the value of (d) is greater than 1, for example, 2 or 3, etc., it means that the 1 st signal, the 2 nd signal, or the nth signal, which have the same signal property, are transmitted by the 2 or 3 spatial transmission filters. When it takes the value 1, since there is only one spatial transmit filter, at M₁、M₂… or M_nWhen the value of (1) is equal to 1, it indicates that the 1 spatial transmit filter is used for transmitting the 1 st signal, the 2 nd signal.

Further, in (M)₁+...+M_i)≥L>(M₁+...+M_i-1) The method comprises the following steps:

the L- (M)₁+...M_i-1) A spatial transmission filter of said M_iL- (M) with smaller preset identification corresponding to signal transmitted in spatial transmission filter₁+...M_i-1) A spatial transmission filter or said M_iL- (M) with smaller preset identification corresponding to space transmitting filter₁+...M_i-1) A spatial transmission filter, or, the L- (M)₁+...M_i-1) A spatial transmission filter of said M_iThe signal transmitted in the spatial transmission filter corresponds to a symbol interval greater than L- (M) of a symbol interval threshold₁+...M_i-1) A spatial transmit filter.

At L is less than or equal to M₁The method comprises the following steps:

the L spatial transmission filters are M₁Signals transmitted in a spatial transmission filter or said M₁And L spatial transmission filters with smaller preset identifications corresponding to the spatial transmission filters.

For example, as shown in fig. 3, M is 3, n is 2, the 1 st signal is a signal carried by PDCCH, the 2 nd signal is a signal carried by PDSCH, and M is₁＝1，M₂＝2；L＝2，K＝2。

Specifically, as shown in fig. 3, the first network device transmits PDCCH1 and PDSCH1 through two spatial transmit filters, respectively, and the second network device transmits PDSCH2 through one spatial transmit filter.

It should be understood that, in the embodiment of the present application, transmitting PDCCH1 through a spatial filter indicates transmitting signals carried in PDCCH1 through a spatial transmission filter, and for brevity, the embodiment of the present application is simply described as transmitting PDCCH1, and similar and concise descriptions are adopted in many places herein, and are not described one by one.

According to the above-mentioned preset rule, since (M)₁+...+M_i)≥L>(M₁+...+M_i-1) The spatial receiving filter of the received signal determined by the terminal device is a spatial receiving filter corresponding to PDCCH1 and a spatial receiving filter corresponding to one of two spatial transmitting filters transmitting PDCSH1 and PDSCH 2. The spatial transmit filter is a spatial transmit filter with a smaller preset identifier corresponding to two spatial transmit filters for transmitting PDCSH1 and PDSCH2 or a spatial transmit filter with a symbol interval greater than a symbol interval threshold in transmission of PDCSH1 and PDSCH 2. For example, the one spatial transmission filter is a spatial transmission filter corresponding to PDSCH 2. The terminal device receives signals using a spatial reception filter corresponding to PDCCH1 and a spatial reception filter corresponding to PDSCH 2. In other words, the terminal device aligns two reception beams with a transmission beam transmitting PDCCH1 and a transmission beam transmitting PDCSH2, respectively.

Alternatively, in another implementation,

the preset rules comprise signal priority receiving rules with the same attribute; the M spatial transmitting filters comprise Z spatial transmitting filters and W spatial transmitting filters, wherein the attributes of signals transmitted by the Z spatial transmitting filters are different, the attributes of signals transmitted by the W spatial transmitting filters are the same, and Z and W are integers which are larger than or equal to 1;

alternatively, the first and second electrodes may be,

Further, the air conditioner is provided with a fan,

when W is more than or equal to L:

the L spatial transmission filters are signals transmitted in the W spatial transmission filters or L spatial transmission filters with smaller preset identifications corresponding to the W spatial transmission filters.

When L > W:

For example, as shown in fig. 4, M is 3, W is 2, Z is 1, L is 2, and K is 2.

Specifically, as shown in fig. 4, the first network device transmits PDCCH1 and PDSCH1 through two spatial transmit filters, respectively, and the second network device transmits PDSCH2 through one spatial transmit filter.

According to the preset rule, since W is L, the terminal device receives signals using L spatial receiving filters corresponding to L spatial transmitting filters among the W spatial transmitting filters.

Therefore, the terminal device receives signals using the spatial reception filter corresponding to PDSCH1 and the spatial reception filter corresponding to PDSCH 2. In other words, the terminal device aligns the two reception beams with the transmission beam transmitting PDSCH1 and the transmission beam transmitting PDCSH2, respectively.

Alternatively, in another implementation,

the preset rules comprise signal priority receiving rules with the same attribute; the M spatial transmission filters include M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nThe spatial transmission filters are respectively used for transmitting the 1 st signal and the 2 nd signal with the same attribute₁、M₂…M_nAre integers greater than or equal to 1;

the terminal equipment receives signals transmitted by K transmission filters in M spatial transmission filters in the same time unit through L spatial reception filters according to a preset rule, and the terminal equipment determines the received signals by using one of the following 5 ways:

the first method is as follows: the terminal equipment uses the M₁M corresponding to a spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1) Wherein, the priority level of the 1 st signal and the priority level of the 2 nd signal … n are sequentially reduced.

The first mode describes a scheme in which, when there are a plurality of signals having the same attribute, the terminal device determines a signal to be received according to the priority of the signal.

It should be understood that, in the embodiment of the present application, the terminal device determining a signal that needs to be received may mean that the terminal device aligns its own receiving beam with a transmitting beam carrying the signal that needs to be received, and corresponding descriptions in the following embodiments are similar to this, and are not described herein one by one.

The second method comprises the following steps: the terminal device uses the M₁M corresponding to a spatial transmission filter₁A spatial reception filter … said M_nM corresponding to spatial transmission filter_nOne spatial receiving filter, and L- (M) among Q spatial transmitting filters₁+...M_n) L- (M) corresponding to each spatial transmission filter₁+...M_n) A spatial receiving filter for receiving the signal, wherein L>(M₁+...+M_n) Wherein, the L- (M)₁+...M_n) The spatial transmitting filters are signals transmitted in the Q spatial transmitting filters or L- (M) with smaller preset marks corresponding to the Q spatial transmitting filters₁+...M_n) A spatial transmission filter, or, the L- (M)₁+...M_n) The signal transmitted by the Q spatial transmission filters corresponds to L- (M) with the symbol interval larger than the symbol interval threshold value₁+...M_n) The M spatial transmission filters further comprise Q spatial transmission filters, the attributes of signals transmitted by the Q spatial transmission filters are different from each other, and Q is an integer greater than or equal to 1.

The second mode describes that the terminal device determines to receive the signals with the same attribute first, in this case, if the terminal device has the receiving capability, the signals needing to be received are determined from the signals with the single attribute according to the preset identification or symbol interval.

The third method comprises the following steps: the terminal equipment uses the M₁L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters receive signals, wherein L is less than or equal to M₁Wherein the 1 st signal has the highest priority among the 1 st signal, the 2 nd signal … nth signal.

The third mode describes that when there are a plurality of signals having the same attribute, the terminal device receives the signal of the highest priority. It should be understood that mode three can be considered a special case of mode one. I.e., a special case where the number of transmission beams transmitting the highest priority signal is greater than or equal to L.

For example, as shown in fig. 5, M is 4, M₁＝2，M ₂2, L2 and K2. Specifically, as shown in fig. 5, the first network device transmits PDCCH1 and PDSCH1 through two spatial transmit filters, respectively, and the second network device transmits PDSCH2 and PDCCH2 through two spatial transmit filters.

According to the third preset rule, it is assumed that the priority of the PDCCH is higher than that of the PDSCH, and L is less than or equal to M₁Therefore, the terminal device uses spatial reception corresponding to PDCCH1The filter receives a signal with a spatial reception filter corresponding to PDCCH 2. In other words, the terminal device aligns two reception beams with a transmission beam transmitting PDCCH1 and a transmission beam transmitting PDCCH2, respectively.

The method is as follows: the terminal device uses the M₁Receiving signals by L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters, wherein the L spatial transmitting filters are the M spatial transmitting filters₁L spatial transmission filters with symbol intervals larger than a symbol interval threshold corresponding to signals transmitted in the spatial transmission filters, wherein L is less than or equal to M₁；

The fourth mode describes a scheme that the terminal device determines the received signal through the symbol interval in a signal with the same attribute.

The fifth mode is as follows: the terminal device uses the M₁L in a spatial transmit filter₁L corresponding to each spatial transmission filter₁A receiving filter, and said M₂L in a spatial transmit filter₂L corresponding to each spatial transmission filter₂A receiving filter for receiving the signal, wherein L is₁The signal transmitted in each spatial transmission filter corresponds to a symbol interval greater than a symbol interval threshold, M₁Residual M in a spatial transmit filter₁-L₁The signal transmitted by each spatial transmission filter corresponds to a symbol interval less than a symbol interval threshold, L₂A spatial transmission filter of said M₂The signal transmitted in each space transmitting filter or the L with smaller preset identification corresponding to the space transmitting filter₂A spatial transmission filter, L ═ L₁+L₂，L₁And L₂Are all integers greater than or equal to 1.

Mode 5 describes that a part of signals needing to be received is determined in signals with the same attribute through a symbol interval, and then another part of signals needing to be received is determined in other signals through a preset identifier.

For example, as shown in fig. 6, M is 3, M₁＝2，M₂＝1，L＝2，L₁＝1，L ₂1 and K2. In particular toAlternatively, as shown in fig. 6, the first network device transmits PDCCH1 and PDSCH1 through two spatial transmit filters, respectively, and the second network device transmits PDSCH2 through one spatial transmit filter.

According to the preset rule, the symbol interval corresponding to the PDSCH2 is assumed to be greater than the symbol threshold, and the symbol interval corresponding to the PDSCH1 is assumed to be less than the symbol threshold, again because of M₂Therefore, the terminal device receives signals using a spatial reception filter corresponding to PDSCH2 and a spatial reception filter corresponding to PDCCH 1. In other words, the terminal device aligns the two reception beams with the transmission beam transmitting PDSCH2 and the transmission beam transmitting PDCSH1, respectively.

Alternatively, in another implementation,

the preset rule comprises a signal with a small preset identification or a spatial filter preferential receiving rule,

For example, as shown in fig. 7, M is 3, L is 2, and K is 2.

Specifically, as shown in fig. 7, the first network device transmits PDCCH1 and PDSCH1 through two spatial transmit filters, respectively, and the second network device transmits PDSCH2 through one spatial transmit filter. It is assumed that the preset flags corresponding to the three spatial transmission filters are, in order of small, a spatial transmission filter for transmitting PDSCH2, a spatial transmission filter for transmitting PDCCH1, and a spatial transmission filter for transmitting PDSCH 1. Then the terminal device determines the spatial receiving filter of the received signal to be the spatial receiving filter corresponding to PDSCH2 and the spatial receiving filter corresponding to PDCCH1 according to the above rule. In other words, the terminal device aligns two reception beams with a transmission beam transmitting PDSCH2 and a transmission beam transmitting PDCCH1, respectively.

It is understood that the above examples are illustrative only and that various combinations or modifications may be made by those skilled in the art based on the above description, and such modifications are intended to be within the scope of the embodiments of the present application.

It should be understood that, for the sake of simplicity, the foregoing example only describes that one spatial transmission filter transmits one signal or that different transmission signals correspond to different transmissions, but the embodiments of the present application are not limited thereto. In practical applications, one spatial transmit filter may transmit a plurality of signals, the plurality of signals transmitted by the one spatial transmit filter correspond to the same transmit direction, and a terminal device may receive the plurality of signals transmitted by the one spatial transmit filter by using one receive filter, that is, by aligning the receive direction of the one receive filter with the transmit direction of the one spatial transmit filter. Specifically, the parameters of the example where one spatial transmit filter transmits multiple signals may be described in the foregoing, and are not described herein again to avoid repetition.

Optionally, as another embodiment, one spatial filter used for transmitting the third signal is included in the M spatial transmission filters, and the one spatial filter belongs to a spatial transmission filter other than the K spatial transmission filters among the M spatial transmission filters, and the method further includes:

alternatively, the first and second electrodes may be,

It should be understood that the third signal may be any one of a PDCCH signal, a PDSCH signal, a CSI-RS signal, and an SSB signal, and the embodiments of the present application are not limited thereto.

It should be noted that, in practical applications, the terminal device may support multiple antenna panels, and each antenna panel may correspond to one beam group, where one beam group may include multiple transmit beam pairs of the network device and multiple receive beam pairs of the terminal device. The beam groups corresponding to different antenna panels are different, and the same beam does not exist in the two beam groups corresponding to the different two antenna panels. For example, as shown in fig. 8, the terminal device has two antenna panels, i.e., a first antenna panel and a second antenna panel, which correspond to two beam groups.

The scheme in which the terminal device determines the received signal in the above embodiment may be used for any one of the plurality of antenna panels. In other words, different antenna panels are independent of each other, and the terminal device can determine the received signal of each antenna panel according to the scheme of the above embodiment.

In a possible implementation manner, the spatial transmit filters of the network device may be divided into a plurality of groups, and the terminal device may determine the spatial receive filters in each group of spatial transmit filters according to the scheme in the above embodiment, specifically, one spatial receive filter can be determined for each group of spatial transmit filters.

In one possible implementation, the spatial transmit filters of the network device may be divided into a plurality of groups, and the terminal device has a receive beam capability (i.e., a spatial receive filter capability) corresponding to the group of spatial transmit filters for each group. The receiving beam capabilities corresponding to different groups of spatial transmission filters may be the same or different, and the embodiments of the present application are not limited thereto. The terminal device may determine the spatial receiving filters in each group of spatial transmitting filters respectively according to the scheme of the above embodiments by using the spatial receiving filter capability corresponding to the group, and in particular, one spatial receiving filter can be determined corresponding to each group of spatial transmitting filters. For example, the spatial transmission filters are divided into 2 groups (group 1, group 2), and for the two groups of spatial transmission filters, the spatial reception filter capabilities (i.e., the number of spatial reception filters) of the terminal device are M1 and M2, respectively, then the terminal device may determine that M1 or less and M2 or less spatial reception filters receive signals in the spatial

transmission filter groups

1 and 2, respectively, according to the scheme of the above embodiment.

In a possible embodiment, there is a parameter (or field) in the configuration parameters of the spatial transmit filters, and spatial transmit filters with the same parameter (or field) belong to the same group, where different values of the parameter may correspond to different panels, for example, the parameter corresponds to the antenna panel 1 when the value of the parameter is 1, and corresponds to the antenna panel 2 when the value of the parameter is 0. For another example, the parameter value is 0 and corresponds to the antenna panel 1, and the parameter value is 1 and corresponds to the antenna panel 2. The terminal device determines the spatial receiving filters in the spatial transmitting filters with the same parameter value according to the above embodiment, and particularly determines 1 spatial receiving filter according to the spatial transmitting filters with the same parameter value. For another example, different values of the parameter may correspond to different transmission points (TRPs), for example, when the parameter is 1, the parameter corresponds to TRP1, and when the parameter is 0, the parameter corresponds to TRP 2. The terminal device determines the spatial receiving filter in the spatial transmitting filter with the same parameter value according to the above embodiment.

It should be noted that, the above describes a scheme in which the terminal device determines the received signal according to a preset rule during downlink transmission.

Similarly, the terminal device may determine the scheme of transmitting the signal according to the similar rule described above. That is, when the network device instructs the terminal device to transmit an uplink signal beyond the capability of the terminal device, the terminal device may select the transmitted uplink signal according to a scheme similar to downlink transmission.

Specifically, when the network device indicates, through at least one piece of indication information, that the terminal device needs to transmit signals through M spatial transmission filters in the same time unit, the terminal device determines that the signals need to be transmitted through M spatial transmission filters in the same time unit, for example, the terminal device determines, according to the at least one piece of indication information, that the signals need to be transmitted through M spatial transmission filters in the same time unit, where the number of spatial transmission filters supported by the terminal device is N, M > N, and M and N are integers; it is to be understood that the at least one indication information may refer to at least one indication information in the above downlink transmission, with the difference that in the uplink transmission the at least one indication information indicates that the terminal device transmits an uplink signal, and in the downlink transmission the at least one indication information indicates that the terminal device receives a downlink signal.

And then, the terminal equipment transmits signals K to be smaller than M through K transmission signals K in the M spatial transmission filters according to a preset rule.

Specifically, the scheme that the terminal device in uplink transmission determines to send the uplink signal according to the preset rule may refer to the scheme that the terminal device in downlink transmission determines to receive the downlink signal according to the preset rule in the foregoing. For example, the preset rule in the uplink transmission may include at least one of the following rules: a high-priority signal priority transmission rule; signal priority sending rules with the same attributes; presetting a signal with a small identifier or a preferential sending rule of a spatial filter; the signal with large symbol interval is sent in priority.

The difference between the uplink transmission and the downlink transmission is that a preset rule in the downlink transmission corresponds to the terminal device receiving the downlink signal, and a preset rule in the uplink transmission corresponds to the terminal device sending the uplink signal. Those skilled in the art can similarly obtain a scheme for determining a sending signal by the terminal device in uplink transmission according to a preset rule according to the scheme for downlink transmission in the foregoing, and in order to avoid repetition, the detailed description is omitted here.

In the above-described embodiment, the network device may configure a type-D QCL for each transmitted signal, so that the terminal device may determine a receiving beam of the signal according to the type-D QCL, and further may acquire a corresponding signal according to the receiving beam. However, in practical applications, the network device may not configure the QCL relationship of some signals, and in this case, the terminal device cannot determine the receiving beam corresponding to the signal, in other words, the terminal device cannot determine the manner of receiving the receiving beam of the signal, so that the terminal device cannot acquire the signal. Therefore, how to acquire the signal in this case becomes an urgent problem to be solved.

In view of the above problems, embodiments of the present application provide a method for acquiring a signal, which solves the above problems. As will be described in detail below in connection with fig. 9.

The method of fig. 9 includes:

the network device transmits signals to the terminal device through the M spatial transmit filters 910.

Correspondingly, the terminal device receives signals transmitted by K spatial transmitting filters in M spatial transmitting filters in the same time unit through L spatial receiving filters, the number of the spatial receiving filters supported by the terminal device is N, M > N, M and N are integers, L is less than or equal to N, and K is less than M, the M spatial transmitting filters include one spatial filter for transmitting a third signal, and the one spatial filter belongs to a spatial transmitting filter other than the K spatial transmitting filters in the M spatial transmitting filters.

It should be understood that the terminal device may determine the received signal according to the method mentioned in fig. 2 above, and may also determine the signal to be received by using other methods, and the embodiments of the present application are not limited thereto.

The terminal device receives 920 the third signal.

Specifically, the terminal device receives the third signal using one of the above-described L spatial reception filters.

For example, the one spatial receiving filter is the L-th spatial receiving filter among the L spatial receiving filters. It should be understood that the terminal device may receive the signal transmitted by the transmission filter opposite thereto among the K transmission filters and the third signal through the l spatial reception filter.

For example, in the embodiment of the present application, the third signal may be received in one of the following manners.

alternatively, the first and second electrodes may be,

Or

The above attributes mainly refer to the type of DCI/PDCCH, including different configurations of main and auxiliary DCI/PDCCH, fast and slow DCI/PDCCH, two-level DCI, DCI format, and the same DCI format. If the signal is a PDCCH, the predefined attribute means that the PDCCH (or DCI carried by the PDCCH) is a main DCI/PDCCH and/or a slow DCI/PDCCH and/or a first-level DCI/PDCCH and/or a DCI/PDCCH with a format of 1_1 and/or a DCI/PDCCH configured with 2 TBs; the method is used for the auxiliary DCI/PDCCH and/or the fast DCI/PDCCH and/or the second-level DCI/PDCCH and/or the DCI/PDCCH with the format of 1_0 and/or the DCI/PDCCH configured with 1 TB. If the signal is not DCI/PDSCH, the predefined attribute means that the DCI/PDCCH corresponding to/associated with the channel/signal has the attribute, for example, PDSCH, means that the DCI/PDCCH for scheduling the PDSCH has the attribute; the CSI-RS means that the DCI/PDCCH triggering the CSI-RS has the above attributes.

The main DCI/PDCCH refers to that the auxiliary DCI only includes an indication field included in part of the main DCI, that is, the main DCI includes more parameters or indication information than the auxiliary DCI, or the main DCI may also be a DCI including some specific parameter or certain specific parameters, for example, the specific parameter may be Carrier indication information (Carrier indicator), partial Bandwidth indication information (Bandwidth part indicator), Rate matching indication information (Rate matching indicator), zero power channel state information-reference signal trigger information (ZP CSI-RS trigger); accordingly, the secondary DCI may be a DCI that does not include a certain parameter or parameters, e.g., does not include the specific parameters described above. The fast and slow DCI/PDCCH means that the two DCI/PDCCHs have different occurrence frequencies, and the fast DCI/PDCCH has high occurrence frequency. The two-stage DCI/PDCCH refers to 2 types of DCI/PDCCH having indication relationship, for example, the first-stage DCI indicates whether the second-stage DCI exists and/or a time domain and/or a frequency domain position where the second-stage DCI is located. DCI format, i.e. 1 piece of DCI is format 1_0, and the other is format 1_ 1. Different configurations of the same DCI format, that is, formats of 2 DCIs are the same, but enabled fields are different, for example, 1 DCI includes only one MCS field, one RV field, and one NDI field corresponding to 1 TB); another DCI contains 2 TBs corresponding fields, i.e., the other DCI includes two MCS fields, two RV fields, and two NDI fields.

For example, as shown in fig. 10, the third signal is CSI-RS, the first network device sends PDCCH1 and CSI-RS1 through two spatial transmit filters, respectively, the second network device sends PDCCH2 through one spatial transmit filter, the terminal device aligns the spatial transmit filter carrying PDCCH1 and the spatial transmit filter carrying PDCCH2 through two spatial receive filters, respectively, and demodulates the reference signal according to one of the above rules, for example, receives the CSR-RS according to the spatial receive filter aligned to the spatial transmit filter carrying PDCCH 1.

It should be understood that the above examples of fig. 1 to 10 are only for assisting the skilled person in understanding the embodiments of the present invention, and are not intended to limit the embodiments of the present invention to the specific values or specific scenarios illustrated. It will be apparent to those skilled in the art that various equivalent modifications or variations are possible in light of the examples given in figures 1 to 10, and such modifications or variations are also within the scope of the embodiments of the invention.

It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

The method of the embodiment of the present invention is described in detail above with reference to fig. 1 to 10, and the communication apparatus of the embodiment of the present invention is described below with reference to fig. 11 to 14.

Fig. 11 is a schematic structural diagram of a communication device according to an embodiment of the present application, where the communication device 1100 may include:

a processing unit 1110 and a transceiver unit 1120.

In an implementation manner, the communication apparatus 1100 provided in this application may correspond to the process performed by the terminal device in the above-described method embodiment of fig. 2, and the functions of each unit/module in the communication apparatus may refer to the description above, and detailed description is appropriately omitted here.

Specifically, the processing unit is configured to determine that signals from M spatial transmit filters need to be received at the same time unit, where the number of spatial receive filters supported by the communication apparatus is N, M > N, and M and N are integers;

and the transceiving unit is used for receiving signals sent by K sending filters in the M space sending filters in the same time unit through the L space receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M.

The embodiment of the application provides a scheme that the terminal equipment selects the signal to be received when the number of the spatial receiving filters corresponding to the signal sent by the network equipment is more than the receiving capacity of the terminal equipment, and solves the problem that the signal to be received cannot be determined in the prior art.

Optionally, the preset rule includes at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

the signal with large symbol interval is received preferentially.

Optionally, the preset rule includes a high-priority signal priority receiving rule, and the M spatial transmit filters include M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nThe spatial transmission filters are respectively used for transmitting a 1 st signal and a 2 nd signal with the same attribute, wherein the priority levels of the 1 st signal and the 2 nd signal … are sequentially reduced, and M is₁、M₂…M_nAre integers greater than or equal to 1;

the transceiver unit is specifically configured to:

using said M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is greater than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1)；

Alternatively, the first and second liquid crystal display panels may be,

using said M₁L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters receive signals, wherein L is less than or equal to M₁。

Optionally, in (M)₁+...+M_i)≥L>(M₁+...+M_i-1) The method comprises the following steps:

the L- (M)₁+...M_i-1) A spatial transmission filter of said M_iL- (M) with smaller preset mark corresponding to signal transmitted in spatial transmission filter₁+...M_i-1) A spatial transmission filter or said M_iL- (M) with smaller preset identification corresponding to space transmitting filter₁+...M_i-1) A spatial transmission filter, or, the L- (M)₁+...M_i-1) A spatial transmission filter of said M_iL- (M) of signal transmitted in space transmitting filter corresponding to symbol interval greater than symbol interval threshold₁+...M_i-1) A spatial transmit filter;

at L is less than or equal to M₁The method comprises the following steps:

Optionally, the preset rules include signal priority receiving rules with the same attribute;

the transceiver unit is specifically configured to:

receiving signals by using L spatial receiving filters corresponding to L spatial transmitting filters in the W spatial transmitting filters, wherein W is more than or equal to L;

alternatively, the first and second electrodes may be,

and receiving signals by using the spatial receiving filters corresponding to the W spatial transmitting filters and the spatial receiving filters corresponding to the L-W spatial transmitting filters in the Z spatial transmitting filters, wherein L > W.

Alternatively, when W ≧ L:

when L > W:

the transceiver unit is specifically configured to:

using said M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1) Wherein, the priority levels of the 1 st signal and the 2 nd signal … n are reduced in sequence;

alternatively, the first and second electrodes may be,

using said M₁M corresponding to spatial transmission filter₁A spatial reception filter … said M_nM corresponding to spatial transmission filter_nOne spatial receiving filter, and L- (M) among Q spatial transmitting filters₁+...M_n) L- (M) corresponding to each spatial transmission filter₁+...M_n) A spatial receiving filter for receiving the signal, wherein (M)₁+...+L>(M₁+...+M_n) Wherein, the L- (M)₁+...M_n) The spatial transmitting filters are signals transmitted in the Q spatial transmitting filters or L- (M) with smaller preset marks corresponding to the Q spatial transmitting filters₁+...M_n) A spatial transmission filter, or, the L- (M)₁+...M_n) The signal transmitted by the Q spatial transmission filters corresponds to L- (M) with the symbol interval larger than the symbol interval threshold value₁+...M_n) The M spatial transmitting filters further comprise Q spatial transmitting filters, the attributes of signals transmitted by the Q spatial transmitting filters are different, and Q is an integer greater than or equal to 1;

alternatively, the first and second electrodes may be,

using said M₁L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters receive signals, wherein L is less than or equal to M₁Wherein the 1 st signal has the highest priority among the 1 st signal, the 2 nd signal … nth signal;

alternatively, the first and second electrodes may be,

using said M₁Receiving signals by L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters, wherein the L spatial transmitting filters are the M spatial transmitting filters₁L spatial transmission filters with symbol intervals larger than a symbol interval threshold corresponding to signals transmitted in the spatial transmission filters, wherein L is less than or equal to M₁；

Alternatively, the first and second electrodes may be,

using said M₁L in a spatial transmit filter₁Spatial transmission filterCorresponding L₁A receiving filter, and said M₂L in a spatial transmit filter₂L corresponding to a spatial transmission filter₂A receiving filter receiving the signal, wherein L₁The signal transmitted in each spatial transmission filter corresponds to a symbol interval greater than a symbol interval threshold, M₁Residual M in a spatial transmit filter₁-L₁The signal transmitted by each spatial transmission filter corresponds to a symbol interval less than a symbol interval threshold, L₂A spatial transmission filter of said M₂The signal transmitted in each space transmitting filter or the L with smaller preset identification corresponding to the space transmitting filter₂A spatial transmission filter, L ═ L₁+L₂，L₁And L₂Are integers greater than or equal to 1.

Optionally, the preset rule comprises a signal with a small preset identifier or a spatial filter preferential reception rule,

the transceiver unit is specifically configured to:

and selecting the L spatial receiving filters corresponding to the L spatial transmitting filters with smaller preset identifications from the M spatial transmitting filters to receive signals in the same time unit.

Optionally, the preset identifier includes a first type identifier and/or a second type identifier, where the first type identifier includes at least one of the following identifiers:

a cell identity and a cell group identity;

the second type of identification comprises at least one of the following identifications:

the method comprises the steps of identifying a downlink control channel PDCCH configuration parameter, a control resource set configuration parameter CORSET, a demodulation reference signal DMRS port, a DMRS port group, a transmission block, a search space and a search space configuration parameter.

Optionally, one spatial filter used for transmitting the third signal is included in the M spatial transmit filters, where the one spatial filter belongs to a spatial transmit filter other than the K spatial transmit filters among the M spatial transmit filters, and the transceiver is further configured to:

receiving the third signal according to a space receiving filter corresponding to a space transmitting filter with a smaller preset identifier corresponding to a channel transmitted in the K space transmitting filters;

alternatively, the first and second electrodes may be,

receiving the third signal according to a spatial receiving filter corresponding to one spatial transmitting filter corresponding to a signal which is transmitted in the K spatial transmitting filters and has an incidence relation with the third signal;

alternatively, the first and second electrodes may be,

receiving the third signal according to a spatial receiving filter corresponding to a spatial transmitting filter with the highest signal priority transmitted in the K spatial transmitting filters;

alternatively, the first and second electrodes may be,

The embodiment of the application provides a scheme that when the number of the spatial receiving filters corresponding to the signals sent by the network equipment is more than the receiving capacity of the terminal equipment, the terminal equipment decides the signals to be received, and the problem that the signals to be received cannot be determined in the prior art is solved.

In another implementation manner, the communication apparatus 1100 provided in this application may correspond to the process performed by the terminal device in the above-described method embodiment of fig. 9, and the functions of each unit/module in the communication apparatus may refer to the description above, and detailed descriptions are appropriately omitted here.

Specifically, the processing unit is configured to control the transceiver unit to receive, through L spatial receiving filters, signals sent by K spatial transmitting filters of M spatial transmitting filters in the same time unit, where the number of spatial receiving filters supported by the communication device is N, M > N, M and N are integers, L is less than or equal to N, and K is less than M, where the M spatial transmitting filters include one spatial filter used to transmit a third signal, and the one spatial filter belongs to a spatial transmitting filter other than the K spatial transmitting filters of the M spatial transmitting filters; and receiving the third signal according to a space receiving filter corresponding to a space transmitting filter with a smaller preset identifier corresponding to a channel transmitted in the K space transmitting filters.

It should be understood that the communication device shown in fig. 11 may be a terminal device, or may be a chip or an integrated circuit mounted in the terminal device.

Taking a communication device as an example of a terminal device, fig. 12 is a schematic structural diagram of the terminal device provided in the embodiment of the present application, which is convenient for understanding and illustration, and in fig. 12, the terminal device takes a mobile phone as an example. Fig. 12 shows only the main components of the terminal device. The terminal device 1200 shown in fig. 12 includes a processor, a memory, a control circuit, and an antenna, and optionally may further include an input-output means. It should be understood that the control circuit may be disposed in the processor, or may be located outside the processor, and the present application is not limited thereto.

The processor is mainly used for processing the communication protocol and the communication data, controlling the whole terminal device, executing the software program, and processing data of the software program, for example, for supporting the terminal device to perform the actions described in the above method embodiments. The memory is used primarily for storing software programs and data. The control circuit is mainly used for converting baseband signals and radio frequency signals and processing the radio frequency signals. The control circuit and the antenna together, which may also be called a transceiver, are mainly used for transceiving radio frequency signals in the form of electromagnetic waves. Input and output devices, such as touch screens, display screens, keyboards, etc., are used primarily for receiving data input by a user and for outputting data to the user.

When the terminal device is turned on, the processor can read the software program in the storage unit, interpret and execute the instruction of the software program, and process the data of the software program. When data needs to be sent wirelessly, the processor outputs a baseband signal to the radio frequency circuit after performing baseband processing on the data to be sent, and the radio frequency circuit performs radio frequency processing on the baseband signal and sends the radio frequency signal outwards in the form of electromagnetic waves through the antenna. When data is sent to the terminal equipment, the radio frequency circuit receives radio frequency signals through the antenna, converts the radio frequency signals into baseband signals and outputs the baseband signals to the processor, and the processor converts the baseband signals into the data and processes the data.

Those skilled in the art will appreciate that fig. 12 shows only one memory and processor for ease of illustration. In an actual terminal device, there may be multiple processors and memories. The memory may also be referred to as a storage medium or a storage device, and the like, which is not limited in this application. It should be understood that the memory may be integrated into the processor, or may be located outside the processor, and may exist independently, and the embodiments of the present application are not limited thereto.

As an alternative implementation manner, the processor may include a baseband processor and a central processing unit, where the baseband processor is mainly used to process a communication protocol and communication data, and the central processing unit is mainly used to control the whole terminal device, execute a software program, and process data of the software program. The processor of fig. 12 may integrate the functions of the baseband processor and the central processing unit, and those skilled in the art will understand that the baseband processor and the central processing unit may be independent processors, and are interconnected through a bus or the like. Those skilled in the art will appreciate that the terminal device may include a plurality of baseband processors to accommodate different network formats, the terminal device may include a plurality of central processors to enhance its processing capability, and various components of the terminal device may be connected by various buses. The baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip. The central processing unit can also be expressed as a central processing circuit or a central processing chip. The function of processing the communication protocol and the communication data may be built in the processor, or may be stored in the storage unit in the form of a software program, and the processor executes the software program to realize the baseband processing function.

In the embodiment of the present invention, the antenna and the control circuit having transceiving functions may be regarded as the transceiving unit 121 of the terminal device 1200, for example, for supporting the terminal device to perform transceiving functions as performed by the terminal device in the method implementation in fig. 2 or fig. 9. A processor having a processing function is regarded as the processing unit 122 of the terminal apparatus 1200, which corresponds to the processing unit 1110 in fig. 11. As shown in fig. 12, the terminal apparatus 1200 includes the transceiving unit 121 and the processing unit 122. The transceiving unit may also be referred to as a transceiver, a transceiving device, etc., and corresponds to the transceiving unit 1120 in fig. 11. Alternatively, a device for implementing a receiving function in the transceiving unit 121 may be regarded as a receiving unit, and a device for implementing a sending function in the transceiving unit 121 may be regarded as a sending unit, that is, the transceiving unit 121 includes a receiving unit and a sending unit, the receiving unit may also be referred to as a receiver, an input port, a receiving circuit, and the like, and the sending unit may be referred to as a transmitter, a sending circuit, and the like.

The processing unit 122 may be configured to execute the instructions stored in the memory, so as to control the transceiver unit 121 to receive and/or transmit signals, thereby implementing the functions of the terminal device in the above method embodiments. As an implementation manner, the function of the transceiving unit 121 may be considered to be implemented by a transceiving circuit or a dedicated chip for transceiving.

It should be understood that terminal device 1200 shown in fig. 12 is capable of implementing various processes involving the terminal device in the method embodiments of fig. 2 or 9. The operations and/or functions of the modules in the terminal device 1200 are respectively to implement the corresponding flows in the above method embodiments. Reference may be made specifically to the description of the method embodiments above, and in order to avoid repetition, detailed description is omitted here where appropriate.

Fig. 13 is a schematic structural diagram of a communication apparatus according to an embodiment of the present application, where the apparatus 1300 may include:

a processing unit 1310 and a transceiver unit 1320.

In an implementation manner, the communication apparatus 1300 provided by the present application may correspond to the process performed by the network device in the above-described method embodiment of fig. 2, and the functions of the respective units/modules in the communication apparatus may be referred to the description above, and a detailed description is appropriately omitted here.

Specifically, the unit is configured to control the transceiver unit to send at least one indication message to the terminal device, where the at least one indication message is used to indicate that the terminal device needs to receive signals from M spatial transmit filters at the same time unit, where the number of spatial receive filters supported by the terminal device is N, M > N, and M and N are integers; and sending signals through the M spatial sending filters, so that the terminal equipment receives signals sent by K sending filters in the M spatial sending filters in the same time unit through L spatial receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M.

Optionally, the preset rule includes at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

the signal with large symbol interval is received preferentially.

In another implementation manner, the communication apparatus 1300 provided in this application may correspond to the process performed by the network device in the above-described method embodiment of fig. 9, and the functions of each unit/module in the communication apparatus may refer to the description above, and detailed descriptions are appropriately omitted here.

It should be understood that the communication device shown in fig. 13 may be a network side device, or may be a chip or an integrated circuit installed in the network side device.

It should be understood that the network-side device may represent any one network device communicating with the terminal device, or may represent a whole of a plurality of network devices communicating with the terminal device, and the embodiment of the present application is not limited thereto.

Taking a communication device as an example of a network device communicating with a terminal device, fig. 14 is a schematic structural diagram of a network device provided in an embodiment of the present application, which may be a schematic structural diagram of a base station, for example. As shown in fig. 14, the network device 1400 may be applied to the system shown in fig. 1, and performs the functions of the network device in the above method embodiments.

The network device 1400 may include one or more radio frequency units, such as a Remote Radio Unit (RRU) 141 and one or more baseband units (BBUs) (also referred to as digital units, DUs) 142. The RRU141 may be referred to as a transceiver unit 141, which corresponds to the transceiver unit 1320 in fig. 13, and may also be referred to as a transceiver, a transceiver circuit, or a transceiver, which may include at least one antenna 1411 and a radio frequency unit 1412. The RRU141 is mainly used for transceiving radio frequency signals and converting the radio frequency signals and baseband signals, for example, for sending precoding matrix information to a terminal device. The BBU142 is mainly used for performing baseband processing, controlling a base station, and the like. The RRU141 and the BBU142 may be physically disposed together or may be physically disposed separately, that is, distributed base stations.

The BBU142 is a control center of a base station, and may also be referred to as a processing unit 142, and may correspond to the processing unit 1310 in fig. 13, and is mainly used for completing baseband processing functions, such as channel coding, multiplexing, modulating, spreading, and the like. For example, the BBU (processing unit) can be used to control the base station to execute the operation flow related to the network device in the above method embodiment.

In an example, the BBU142 may be formed by one or more boards, and the boards may support a radio access network of a single access system (e.g., an LTE network) together, or may support radio access networks of different access systems (e.g., an LTE network, a 5G network, or other networks) respectively. The BBU142 also includes a memory 1421 and a processor 1422. The memory 1421 is used for storing necessary instructions and data. The processor 1422 is configured to control the base station to perform necessary actions, for example, to control the base station to perform the operation procedure related to the network device in the above method embodiment. It should be understood that the memory may be integrated into the processor, or may be located outside the processor, and may exist independently, and the embodiments of the present application are not limited thereto. The memory 1421 and processor 1422 may serve one or more boards. That is, the memory and processor may be provided separately on each board. Multiple boards may share the same memory and processor. In addition, each single board can be provided with necessary circuits.

It should be appreciated that the network device 1400 shown in fig. 14 is capable of implementing various processes involving the network device in the method embodiments of fig. 2 or 9. The operations and/or functions of the modules in the network device 1400 are respectively to implement the corresponding flows in the above method embodiments. Specifically, reference may be made to the description of the above method embodiments, and the detailed description is appropriately omitted herein to avoid redundancy.

The embodiment of the application also provides a processing device, which comprises a processor and an interface; the processor is configured to perform the method of communication in any of the above method embodiments.

It should be understood that the processing means may be a chip. For example, the processing Device may be a Field-Programmable Gate Array (FPGA), an Application-Specific Integrated Circuit (ASIC), a System on Chip (SoC), a Central Processing Unit (CPU), a Network Processor (NP), a Digital Signal processing Circuit (DSP), a Microcontroller (MCU), a Programmable Logic Device (PLD), or other Integrated chips.

In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or implemented by a combination of hardware and software modules in a processor. The software modules may be located in ram, flash, rom, prom, or eprom, registers, etc. as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor. To avoid repetition, it is not described in detail here.

It should be noted that the processor in the embodiments of the present invention may be an integrated circuit chip having signal processing capability. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The processor may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, or discrete hardware components. The various methods, steps and logic blocks disclosed in the embodiments of the present invention may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present invention may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.

It will be appreciated that the memory in embodiments of the invention may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a read-only memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM, enhanced SDRAM, SLDRAM, Synchronous Link DRAM (SLDRAM), and direct Rambus RAM (DR RAM). It should be noted that the memory of the systems and methods described herein is intended to comprise, without being limited to, these and any other suitable types of memory.

The embodiment of the present application further provides a communication system, which includes the foregoing network device and terminal device.

The present application further provides a computer-readable medium, on which a computer program is stored, where the computer program is executed by a computer to implement the method in any of the above method embodiments.

The embodiment of the present application further provides a computer program product, and when being executed by a computer, the computer program product implements the method in any of the above method embodiments.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.

It should be understood that the above describes a method for communication during downlink transmission in a communication system, but the present application is not limited thereto, and optionally, a similar scheme as above may also be adopted during uplink transmission, and details are not described here again to avoid repetition.

The network device in the foregoing various apparatus embodiments completely corresponds to the terminal device and the network device or the terminal device in the method embodiments, and the corresponding modules or units execute the corresponding steps, for example, the sending module (transmitter) method executes the steps sent in the method embodiments, the receiving module (receiver) executes the steps received in the method embodiments, and other steps except sending and receiving may be executed by the processing module (processor). The functionality of the specific modules may be referred to in the respective method embodiments. The transmitting module and the receiving module can form a transceiving module, and the transmitter and the receiver can form a transceiver to realize transceiving function together; the processor may be one or more.

In this application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a alone, A and B together, and B alone, wherein A and B may be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" or similar expressions refer to any combination of these items, including any combination of the singular or plural items. For example, at least one (one) of a, b, or c, may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in the various embodiments of the present application, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.

As used in this specification, the terms "component," "module," "system," and the like are intended to refer to a computer-related entity, either hardware, firmware, a combination of hardware and software, or software in execution. For example, a component may be, but is not limited to being, a process running on a processor, an object, an executable, a thread of execution, a program, and/or a computer. By way of illustration, both an application running on a computing device and the computing device can be a component. One or more components can reside within a process and/or thread of execution and a component can be localized on one computer and/or distributed between 2 or more computers. In addition, these components can execute from various computer readable media having various data structures stored thereon. The components may communicate by way of local and/or remote processes such as in accordance with a signal having one or more data packets (e.g., data from two components interacting with another component in a local system, distributed system, and/or across a network such as the internet with other systems by way of the signal).

It should also be understood that reference herein to first, second, third, fourth, and various numerical designations is made only for ease of description and is not intended to limit the scope of the embodiments of the present application.

It should be understood that the term "and/or" herein is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone.

Those of ordinary skill in the art will appreciate that the various illustrative logical blocks and steps (step) described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions (programs). The procedures or functions described in accordance with the embodiments of the present application are generated in whole or in part when the computer program instructions (programs) are loaded and executed on a computer. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A method of transmitting a signal, comprising:

the terminal equipment receives signals sent by K sending filters in M space sending filters in the same time unit through L space receiving filters according to a preset rule, wherein L is smaller than or equal to N, and K is smaller than M;

wherein the preset rule comprises at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

the signal with large symbol interval is received preferentially.

2. The method of claim 1, wherein the preset rules comprise high priority signal-first-receive rules, and wherein the M spatial transmit filters comprise M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nThe spatial transmission filters are respectively used for transmitting a 1 st signal and a 2 nd signal with the same attribute, wherein the priority levels of the 1 st signal and the 2 nd signal … are sequentially reduced, and M is₁、M₂…M_nAre integers greater than or equal to 1;

the terminal device uses the M₁M corresponding to spatial transmission filter₁A spaceReceiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is greater than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1)；

Alternatively, the first and second electrodes may be,

the terminal equipment uses the M₁L receiving filters corresponding to L spatial transmitting filters in the spatial transmitting filters receive signals, wherein L is less than or equal to M₁。

3. The method of claim 2,

in (M)₁+...+M_i)≥L>(M₁+...+M_i-1) The method comprises the following steps:

at L is less than or equal to M₁The method comprises the following steps:

4. The method of claim 1, wherein the preset rules include signal priority reception rules with the same attribute;

alternatively, the first and second electrodes may be,

and the terminal equipment receives signals by using the spatial receiving filters corresponding to the W spatial transmitting filters and the spatial receiving filters corresponding to L-W spatial transmitting filters in the Z spatial transmitting filters, wherein L > W.

5. The method of claim 4,

when W is more than or equal to L:

when L > W:

6. The method of claim 1, wherein the preset rules include signal priority reception rules with the same attribute;

the terminal device uses the M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to a spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1) Wherein, the priority levels of the 1 st signal and the 2 nd signal … n are reduced in sequence;

alternatively, the first and second electrodes may be,

the terminal device uses the M₁M corresponding to spatial transmission filter₁A spatial reception filter … said M_nM corresponding to a spatial transmission filter_nOne spatial receiving filter, and L- (M) among Q spatial transmitting filters₁+...M_n) L- (M) corresponding to a spatial transmission filter₁+...M_n) A spatial receiving filter receiving the signal, wherein L>(M₁+...+M_n) Wherein, the L- (M)₁+...M_n) The spatial transmitting filters are signals transmitted in the Q spatial transmitting filters or L- (M) with smaller preset marks corresponding to the Q spatial transmitting filters₁+...M_n) A spatial transmission filter, or, the L- (M)₁+...M_n) One spatial transmission filter is composed of the Q spatial transmission filtersL- (M) of the transmitted signal corresponding to a symbol interval greater than a symbol interval threshold₁+...M_n) The M spatial transmitting filters further comprise Q spatial transmitting filters, the attributes of signals transmitted by the Q spatial transmitting filters are different, and Q is an integer greater than or equal to 1;

alternatively, the first and second electrodes may be,

Alternatively, the first and second electrodes may be,

7. The method of claim 1, wherein the preset rule comprises a preset low-identification signal or spatial filter priority reception rule,

8. The method according to any one of claims 3, 5 to 7,

the preset identifier comprises a first type identifier and/or a second type identifier, wherein the first type identifier comprises at least one of the following identifiers:

a cell identity and a cell group identity;

9. A method of transmitting a signal, comprising:

the network equipment sends signals through the M spatial sending filters, so that the terminal equipment receives signals sent by K sending filters in the M spatial sending filters in the same time unit through L spatial receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M;

wherein the preset rule comprises at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

the signal with large symbol interval is received preferentially.

10. A communications apparatus, comprising:

the communication device comprises a processing unit, a receiving unit and a processing unit, wherein the processing unit is used for determining that signals from M spatial transmitting filters need to be received at the same time unit, the number of the spatial receiving filters supported by the communication device is N, M > N, and M and N are integers;

the receiving and transmitting unit is used for receiving signals sent by K sending filters in M space sending filters in the same time unit through L space receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M;

wherein the preset rule comprises at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

the signal with large symbol interval is received preferentially.

11. The communications apparatus as claimed in claim 10, wherein the preset rule comprises a high priority signal priority reception rule, and the M spatial transmission filters comprise M₁、M₂…M_nA spatial transmission filter, wherein M₁、M₂…M_nSpatial transmit filters for transmit attribute equalityThe 1 st signal and the 2 nd signal, the 2 nd signal …, wherein the priority level of the 1 st signal and the nth signal is reduced in sequence, and M is₁、M₂…M_nAre integers greater than or equal to 1;

the transceiver unit is specifically configured to:

using said M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to a spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1)；

Alternatively, the first and second electrodes may be,

12. The communication device of claim 11,

in (M)₁+...+M_i)≥L>(M₁+...+M_i-1) When the method is used:

at L is less than or equal to M₁The method comprises the following steps:

the L spatial transmission filtersThe wave filter is₁Signals transmitted in a spatial transmit filter or said M₁And L spatial transmission filters with smaller preset identifications corresponding to the spatial transmission filters.

13. The apparatus according to claim 10, wherein the preset rules include signal priority reception rules with the same attribute;

the transceiver unit is specifically configured to:

alternatively, the first and second liquid crystal display panels may be,

and receiving signals by using the spatial receiving filters corresponding to the W spatial transmitting filters and the spatial receiving filters corresponding to L-W spatial transmitting filters in the Z spatial transmitting filters, wherein L > W.

14. The communication device of claim 13,

when W is more than or equal to L:

when L > W:

15. The apparatus according to claim 10, wherein the preset rules include signal priority reception rules with the same attribute;

the transceiver unit is specifically configured to:

using said M₁M corresponding to spatial transmission filter₁A spatial receiving filter, said M₂M corresponding to spatial transmission filter₂A spatial receiving filter … said M_iL- (M) in a spatial transmit filter₁+...M_i-1) L- (M) corresponding to each spatial transmission filter₁+...M_i-1) A spatial receiving filter for receiving signals, wherein i is more than or equal to 2 and less than or equal to n, and (M)₁+...+M_i)≥L>(M₁+...+M_i-1) Wherein, the priority level of the 1 st signal and the priority level of the 2 nd signal … n are sequentially reduced;

alternatively, the first and second electrodes may be,

using said M₁M corresponding to spatial transmission filter₁A spatial reception filter … said M_nM corresponding to spatial transmission filter_nOne spatial receiving filter, and L- (M) among Q spatial transmitting filters₁+...M_n) L- (M) corresponding to each spatial transmission filter₁+...M_n) A spatial receiving filter receiving the signal, wherein L>(M₁+...+M_n) Wherein, the L- (M)₁+...M_n) The spatial transmitting filters are signals transmitted in the Q spatial transmitting filters or L- (M) with smaller preset marks corresponding to the Q spatial transmitting filters₁+...M_n) A spatial transmission filter, or, the L- (M)₁+...M_n) One space transmissionThe filter is L- (M) of the signal transmitted in the Q space transmission filters, the symbol interval corresponding to the signal is larger than the symbol interval threshold value₁+...M_n) The M spatial transmitting filters further comprise Q spatial transmitting filters, the attributes of signals transmitted by the Q spatial transmitting filters are different, and Q is an integer greater than or equal to 1;

alternatively, the first and second electrodes may be,

alternatively, the first and second liquid crystal display panels may be,

Alternatively, the first and second electrodes may be,

using said M₁L in a spatial transmit filter₁L corresponding to each spatial transmission filter₁A receiving filter, and said M₂L in a spatial transmit filter₂L corresponding to each spatial transmission filter₂A receiving filter receiving the signal, wherein L₁The signal transmitted in each spatial transmission filter corresponds to a symbol interval greater than a symbol interval threshold, M₁Remaining M in a spatial transmit filter₁-L₁The signal transmitted by each spatial transmission filter corresponds to a symbol interval less than a symbol interval threshold, L₂A spatial transmission filter of said M₂The signal transmitted in each space transmitting filter or the L with smaller preset identification corresponding to the space transmitting filter₂A spatial transmission filter, L ═ L₁+L₂，L₁And L₂Are integers greater than or equal to 1.

16. The apparatus according to claim 10, wherein the preset rule comprises a preset low-identification signal or spatial filter priority reception rule,

the transceiver unit is specifically configured to:

17. The communication apparatus according to any one of claims 12, 14 to 16,

a cell identity and a cell group identity;

18. A communications apparatus, comprising:

a processing unit and a transceiving unit,

the processing unit is configured to control the transceiver unit to send at least one indication message to the terminal device, where the at least one indication message is used to indicate that the terminal device needs to receive signals from M spatial transmit filters in the same time unit, where the number of spatial receive filters supported by the terminal device is N, M > N, and M and N are integers;

sending signals through the M spatial sending filters, so that the terminal equipment receives signals sent by K sending filters in the M spatial sending filters in the same time unit through L spatial receiving filters according to a preset rule, wherein L is less than or equal to N, and K is less than M;

wherein the preset rule comprises at least one of the following rules:

a high-priority signal priority reception rule;

signal priority receiving rules with the same attribute;

the signal with large symbol interval is received preferentially.

19. A computer-readable storage medium, in which a computer program is stored which, when run on a processor, performs the method according to any one of claims 1-9.