Information processing method and apparatus, and communication device, communication system and storage medium

Abstract

Disclosed in the embodiments of the present disclosure are an information processing method and apparatus. The method comprises: sending first channel status information (CSI) and second CSI to a network device, wherein the first CSI comprises first indication information, and the second CSI comprises second indication information; the first indication information is used for indicating at least one base vector and / or is used for indicating at least one port, and the second indication information is used for indicating a combination coefficient which corresponds to the at least one base vector; and the at least one base vector and the combination coefficient are used for determining pre-determined codes for a terminal, such that the terminal can separately report the base vector and the combination coefficient, or separately report a port selection and the combination coefficient, or separately report the base vector and the port selection, and the combination coefficient, thereby effectively reducing feedback overheads of the terminal and decreasing the computation complexity of the terminal while ensuring that the system performance remains unchanged.

Description

Information processing method and device, communication equipment, communication system, and storage medium Technical Field

[0001] The present disclosure relates to the field of communication technology, and in particular to an information processing method and apparatus, communication equipment, a communication system, and a storage medium. Background Art

[0002] In a codebook-based transmission scheme, the terminal can feedback channel status information (CSI) to the network device based on the channel measurement reference signal sent by the network side. The network device can determine the precoding for downlink data transmission of the terminal based on the CSI fed back by the terminal.

[0003] Summary of the Invention

[0004] The embodiments of the present disclosure provide an information processing method and apparatus, a communication device, a communication system, and a storage medium.

[0005] A first embodiment of the present disclosure provides an information processing method, which is executed by a terminal and includes:

[0006] Sending first channel state information CSI and second CSI to the network device;

[0007] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0008] A second aspect of the present disclosure provides an information processing method, which is executed by a network device and includes:

[0009] receiving first channel state information CSI and second CSI sent by a terminal;

[0010] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0011] A third aspect of the present disclosure provides an information processing method, the method comprising:

[0012] The terminal sends the first channel state information CSI and the second CSI to the network device;

[0013] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0014] A fourth aspect of the present disclosure provides a terminal, including:

[0015] A transceiver module sends first channel state information CSI and second CSI to the network device;

[0016] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0017] A fifth embodiment of the present disclosure provides a network device, the network device comprising:

[0018] A transceiver module, receiving first channel state information CSI and second CSI sent by a terminal;

[0019] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0020] The solution proposed in the embodiment of the present disclosure is to send first channel state information CSI and second CSI to a network device, wherein the first CSI includes first indication information, the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, the second indication information is used to indicate a combination coefficient corresponding to at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal, so that the terminal can independently report the basis vector and the combination coefficient, or independently report the port selection and the combination coefficient, or independently report the basis vector and the port selection and the combination coefficient. This can effectively reduce the feedback overhead of the terminal and reduce the computational complexity of the terminal while ensuring that the system performance remains unchanged. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the background technology, the drawings required for use in the embodiments of the present disclosure or the background technology will be described below.

[0022] FIG1 is a schematic diagram of the architecture of a communication system provided by an embodiment of the present disclosure;

[0023] FIG2A is an interactive schematic diagram of an information processing method provided by an embodiment of the present disclosure;

[0024] FIG3A is a flow chart of an information processing method provided by an embodiment of the present disclosure;

[0025] FIG3B is a flow chart of an information processing method provided by an embodiment of the present disclosure;

[0026] FIG4A is a flow chart of an information processing method provided by an embodiment of the present disclosure;

[0027] FIG4B is a flow chart of an information processing method provided by an embodiment of the present disclosure;

[0028] FIG5 is a flow chart of an information processing method provided by an embodiment of the present disclosure;

[0029] FIG6A is a schematic structural diagram of a terminal provided by an embodiment of the present disclosure;

[0030] FIG6B is a schematic structural diagram of a network device provided by an embodiment of the present disclosure;

[0031] FIG7A is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure;

[0032] FIG7B is a schematic structural diagram of a chip provided in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0033] The embodiments of the present disclosure provide an information processing method and apparatus, a communication device, a communication system, and a storage medium.

[0034] In a first aspect, an embodiment of the present disclosure provides an information processing method, which is executed by a terminal and includes:

[0035] Sending first channel state information CSI and second CSI to the network device;

[0036] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0037] In the above embodiments, the terminal is enabled to independently report the basis vector and the combination coefficient, or to independently report the port selection and the combination coefficient, or to independently report the basis vector and the port selection and the combination coefficient. This can effectively reduce the feedback overhead of the terminal and reduce the computational complexity of the terminal while ensuring that the system performance remains unchanged.

[0038] With reference to some embodiments of the first aspect, in some embodiments, the first CSI and the second CSI have at least one of the following differences:

[0039] The first CSI and the second CSI are located in different resources;

[0040] The time domain behaviors corresponding to the first CSI and the second CSI are different;

[0041] The configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

[0042] In the above embodiments, the basis vector and the combination coefficient can be reported independently, or the port selection and the combination coefficient can be reported independently, or the basis vector and the port selection and the combination coefficient can be reported independently, and the independent reporting method can be flexibly selected to effectively reduce the feedback overhead of the terminal, reduce the computational complexity of the terminal, and improve the flexibility of the solution.

[0043] In conjunction with some embodiments of the first aspect, in some embodiments, the first CSI and the second CSI have any one or more of the following association relationships:

[0044] The first CSI and the second CSI correspond to the same channel measurement reference signal;

[0045] The first CSI associated with the second CSI is the first CSI that is located before the second CSI in the time domain and has the shortest time domain interval with the second CSI;

[0046] The first CSI is periodic or semi-persistent in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI belongs;

[0047] The first CSI and the second CSI correspond to the same channel type.

[0048] In the above embodiment, by associating the two independently fed-back CSIs, a matching relationship between the two can be ensured, thereby avoiding precoding calculation errors caused by information mismatch in the two CSIs, improving the accuracy of precoding calculation, and improving system communication efficiency.

[0049] In conjunction with some embodiments of the first aspect, in some embodiments, the first CSI is sent on a wideband physical uplink control channel PUCCH, and the time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission; or,

[0050] The first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or aperiodic transmission.

[0051] In the above embodiment, the channel resources occupied by the CSI feedback including the basis vectors and / or port indications can be flexibly configured, which effectively reduces the feedback overhead of the terminal, reduces the computational complexity of the terminal, and improves the flexibility of the solution.

[0052] In combination with some embodiments of the first aspect, in some embodiments, the PUCCH is a long PUCCH or a short PUCCH.

[0053] In the above embodiment, the channel type occupied by the CSI feedback including the basis vector and / or port indication can be flexibly configured, which effectively reduces the feedback overhead of the terminal, reduces the computational complexity of the terminal, and improves the flexibility of the solution.

[0054] In conjunction with some embodiments of the first aspect, in some embodiments, the first CSI includes a CSI part; or,

[0055] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one spatial domain SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one frequency domain FD basis vector and at least one Doppler domain DD basis vector; or

[0056] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one FD basis vector and at least one DD basis vector; or

[0057] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

[0058] In the above embodiment, the CSI reporting mode corresponding to the basis vector and / or port indication can be flexibly selected, which effectively reduces the feedback overhead of the terminal, reduces the computational complexity of the terminal, and improves the flexibility of the solution.

[0059] In combination with some embodiments of the first aspect, in some embodiments, the second CSI is sent on the wideband of the PUSCH, and the time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission; or,

[0060] The second CSI is sent on the broadband of the long PUCCH, and the time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

[0061] In the above embodiment, the channel resources occupied by the CSI feedback including the combination coefficient indication can be flexibly configured, which effectively reduces the feedback overhead of the terminal, reduces the calculation complexity of the terminal, and improves the flexibility of the solution.

[0062] In combination with some embodiments of the first aspect, in some embodiments, the second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and the amplitude and phase quantization information of the non-zero combination coefficients.

[0063] In the above embodiment, the CSI reporting mode corresponding to the combination coefficient indication can be flexibly configured, which effectively reduces the feedback overhead of the terminal, reduces the calculation complexity of the terminal, and improves the flexibility of the solution.

[0064] In combination with some embodiments of the first aspect, in some embodiments, the second CSI further includes a channel quality indication CQI.

[0065] In the above embodiment, the indication information included in the CSI report can be determined based on the configuration, thereby improving the universality of the solution.

[0066] In combination with some embodiments of the first aspect, in some embodiments, the number of the CQI is one, and the CQI is included in the first CSI part of the second CSI.

[0067] In the above embodiment, the indication information included in the CSI report can be determined based on the configuration, and the corresponding CSI reporting method can be determined, thereby improving the universality of the solution.

[0068] In combination with some embodiments of the first aspect, in some embodiments, the number of the CQIs is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

[0069] In the above embodiment, the indication information included in the CSI report can be determined based on the configuration, and the corresponding CSI reporting method can be determined, thereby improving the universality of the solution.

[0070] In combination with some embodiments of the first aspect, in some embodiments, the first CSI also includes a rank indication RI; or, the second CSI also includes the RI.

[0071] In the above embodiment, the indication information included in the CSI report can be flexibly determined, which effectively reduces the feedback overhead of the terminal, reduces the calculation complexity of the terminal, and improves the flexibility of the solution.

[0072] In combination with some embodiments of the first aspect, in some embodiments, the first CSI includes the RI, and the first CSI includes a CSI part; or

[0073] The first CSI includes the RI, and the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first CSI part of the first CSI includes the RI.

[0074] In the above embodiment, the indication information included in the CSI report can be flexibly determined, and the corresponding CSI reporting method can be determined, thereby effectively reducing the feedback overhead of the terminal, lowering the calculation complexity of the terminal, and improving the flexibility of the solution.

[0075] In conjunction with some embodiments of the first aspect, in some embodiments, the time domain behavior corresponding to the first CSI and the second CSI is semi-continuous transmission or aperiodic transmission, and the method further includes:

[0076] Receive one or more first signalings sent by the network device, where the first signaling is used to trigger the terminal to send the first CSI and the second CSI.

[0077] In the above embodiment, the aperiodic or semi-continuous CSI reporting of the terminal can be triggered based on the same type of signaling, which can effectively save signaling overhead.

[0078] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:

[0079] Receive first information sent by the network device, where the first information is used to configure a codebook of the terminal, and the first information includes at least one of the following information:

[0080] the number of the at least one basis vector;

[0081] The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer;

[0082] The maximum number of non-zero coefficients in the corresponding combined coefficients of all transmission layers;

[0083] The number of CQIs.

[0084] In the above embodiment, parameter information of the codebook configured by the network can be determined before CSI feedback is performed, thereby improving the universality of the solution, improving the accuracy of precoding calculation, and reducing feedback overhead.

[0085] In a second aspect, an embodiment of the present disclosure provides an information processing method, which is executed by a network device and includes:

[0086] receiving first channel state information CSI and second CSI sent by a terminal;

[0087] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0088] In the above embodiments, the terminal is enabled to independently report the basis vector and the combination coefficient, or to independently report the port selection and the combination coefficient, or to independently report the basis vector and the port selection and the combination coefficient. This can effectively reduce the feedback overhead of the terminal and reduce the computational complexity of the terminal while ensuring that the system performance remains unchanged.

[0089] In conjunction with some embodiments of the second aspect, in some embodiments, the first CSI and the second CSI have at least one of the following differences:

[0090] The first CSI and the second CSI are located in different resources;

[0091] The time domain behaviors corresponding to the first CSI and the second CSI are different;

[0092] The configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

[0093] With reference to some embodiments of the second aspect, in some embodiments, the first CSI and the second CSI have any one or more of the following association relationships:

[0094] The first CSI and the second CSI correspond to the same channel measurement reference signal;

[0095] The first CSI associated with the second CSI is the first CSI that is located before the second CSI in the time domain and has the shortest time domain interval with the second CSI;

[0096] The first CSI is periodic or semi-persistent in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI belongs;

[0097] The first CSI and the second CSI correspond to the same channel type.

[0098] In conjunction with some embodiments of the second aspect, in some embodiments, the first CSI is sent on a wideband physical uplink control channel PUCCH, and the time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission; or,

[0099] The first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or aperiodic transmission.

[0100] In combination with some embodiments of the second aspect, in some embodiments, the PUCCH is a long PUCCH or a short PUCCH.

[0101] In conjunction with some embodiments of the second aspect, in some embodiments, the first CSI includes a CSI part; or,

[0102] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one spatial domain SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one frequency domain FD basis vector and at least one Doppler domain DD basis vector; or

[0103] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one FD basis vector and at least one DD basis vector; or

[0104] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

[0105] In conjunction with some embodiments of the second aspect, in some embodiments, the second CSI is sent on the wideband of the PUSCH, and the time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission; or,

[0106] The second CSI is sent on the broadband of the long PUCCH, and the time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

[0107] In combination with some embodiments of the second aspect, in some embodiments, the second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and the amplitude and phase quantization information of the non-zero combination coefficients.

[0108] In combination with some embodiments of the second aspect, in some embodiments, the second CSI also includes a channel quality indication CQI.

[0109] In combination with some embodiments of the second aspect, in some embodiments, the number of the CQI is one, and the CQI is included in the first CSI part of the second CSI.

[0110] In combination with some embodiments of the second aspect, in some embodiments, the number of the CQIs is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

[0111] In combination with some embodiments of the second aspect, in some embodiments, the first CSI further includes a rank indication RI; or,

[0112] The second CSI also includes the RI.

[0113] In conjunction with some embodiments of the second aspect, in some embodiments, the first CSI includes the RI, and the first CSI includes a CSI part; or

[0114] The first CSI includes the RI, and the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first CSI part of the first CSI includes the RI.

[0115] In conjunction with some embodiments of the second aspect, in some embodiments, the time domain behavior corresponding to the first CSI and the second CSI is semi-continuous transmission or aperiodic transmission, and the method further includes:

[0116] One or more first signalings are sent to the terminal, where the first signalings are used to trigger the terminal to send the first CSI and the second CSI.

[0117] In conjunction with some embodiments of the second aspect, in some embodiments, the method further includes:

[0118] Sending first information to the terminal, where the first information is used to configure a codebook of the terminal, and the first information includes at least one of the following information:

[0119] the number of the at least one basis vector;

[0120] The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer;

[0121] The maximum number of non-zero coefficients in the corresponding combined coefficients of all transmission layers;

[0122] The number of CQIs.

[0123] In a third aspect, an embodiment of the present disclosure provides an information processing method, the method comprising:

[0124] receiving first channel state information CSI and second CSI sent by a terminal;

[0125] The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

[0126] In the above embodiments, the terminal is enabled to independently report the basis vector and the combination coefficient, or to independently report the port selection and the combination coefficient, or to independently report the basis vector and the port selection and the combination coefficient. This can effectively reduce the feedback overhead of the terminal and reduce the computational complexity of the terminal while ensuring that the system performance remains unchanged.

[0127] In conjunction with some embodiments of the third aspect, in some embodiments, the first CSI and the second CSI have at least one of the following differences:

[0128] The first CSI and the second CSI are located in different resources;

[0129] The time domain behaviors corresponding to the first CSI and the second CSI are different;

[0130] The configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

[0131] In conjunction with some embodiments of the third aspect, in some embodiments, the first CSI and the second CSI have any one or more of the following association relationships:

[0132] The first CSI and the second CSI correspond to the same channel measurement reference signal;

[0133] The first CSI associated with the second CSI is the first CSI that is located before the second CSI in the time domain and has the shortest time domain interval with the second CSI;

[0134] The first CSI is periodic or semi-persistent in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI belongs;

[0135] The first CSI and the second CSI correspond to the same channel type.

[0136] In conjunction with some embodiments of the third aspect, in some embodiments, the first CSI is sent on a wideband physical uplink control channel PUCCH, and the time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission; or,

[0137] The first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or aperiodic transmission.

[0138] In combination with some embodiments of the third aspect, in some embodiments, the PUCCH is a long PUCCH or a short PUCCH.

[0139] With reference to some embodiments of the third aspect, in some embodiments, the first CSI includes a CSI part; or,

[0140] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one spatial domain SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one frequency domain FD basis vector and at least one Doppler domain DD basis vector; or

[0141] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one FD basis vector and at least one DD basis vector; or

[0142] The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

[0143] In conjunction with some embodiments of the third aspect, in some embodiments, the second CSI is sent on the wideband of the PUSCH, and the time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission; or,

[0144] The second CSI is sent on the broadband of the long PUCCH, and the time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

[0145] In combination with some embodiments of the third aspect, in some embodiments, the second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and the amplitude and phase quantization information of the non-zero combination coefficients.

[0146] In combination with some embodiments of the third aspect, in some embodiments, the second CSI also includes a channel quality indication CQI.

[0147] In combination with some embodiments of the third aspect, in some embodiments, the number of the CQI is one, and the CQI is included in the first CSI part of the second CSI.

[0148] In combination with some embodiments of the third aspect, in some embodiments, the number of the CQIs is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

[0149] In conjunction with some embodiments of the third aspect, in some embodiments, the first CSI further includes a rank indication RI; or,

[0150] The second CSI also includes the RI.

[0151] In conjunction with some embodiments of the third aspect, in some embodiments, the first CSI includes the RI, and the first CSI includes a CSI part; or

[0152] The first CSI includes the RI, and the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first CSI part of the first CSI includes the RI.

[0153] In conjunction with some embodiments of the third aspect, in some embodiments, the time domain behavior corresponding to the first CSI and the second CSI is semi-continuous transmission or aperiodic transmission, and the method further includes:

[0154] One or more first signalings are sent to the terminal, where the first signalings are used to trigger the terminal to send the first CSI and the second CSI.

[0155] In conjunction with some embodiments of the third aspect, in some embodiments, the method further includes:

[0156] Sending first information to the terminal, where the first information is used to configure a codebook of the terminal, and the first information includes at least one of the following information:

[0157] the number of the at least one basis vector;

[0158] The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer;

[0159] The maximum number of non-zero coefficients in the corresponding combined coefficients of all transmission layers;

[0160] The number of CQIs.

[0161] In a fourth aspect, an embodiment of the present disclosure proposes a terminal, which includes at least one of a transceiver module and a processing module; wherein the terminal is used to execute the first aspect and the optional implementation method of the first aspect.

[0162] In a fifth aspect, an embodiment of the present disclosure proposes a network device, which includes at least one of a transceiver module and a processing module; wherein the terminal is used to execute the second aspect and the optional implementation method of the second aspect.

[0163] In a sixth aspect, an embodiment of the present disclosure proposes a terminal, comprising: one or more processors; wherein the terminal is used to execute the first aspect and the optional implementation method of the first aspect.

[0164] In a seventh aspect, an embodiment of the present disclosure proposes a network device, comprising: one or more processors; wherein the network device is used to execute the second aspect and the optional implementation method of the second aspect.

[0165] In the eighth aspect, an embodiment of the present disclosure proposes a communication system, which includes: a terminal and a network device; wherein the terminal is configured to execute the method described in the first aspect and the optional implementation of the first aspect, and the network device is configured to execute the method described in the second aspect and the optional implementation of the second aspect.

[0166] In the ninth aspect, an embodiment of the present disclosure proposes a storage medium, which stores instructions. When the instructions are executed on a communication device, the communication device executes the method described in the first aspect and the optional implementation of the first aspect, the second aspect and the optional implementation of the second aspect.

[0167] In a tenth aspect, an embodiment of the present disclosure proposes a program product. When the program product is executed by a communication device, the communication device executes the method described in the first aspect and the optional implementation of the first aspect, the second aspect and the optional implementation of the second aspect.

[0168] In an eleventh aspect, an embodiment of the present disclosure proposes a computer program, which, when executed on a computer, enables the computer to execute the method described in the first aspect and the optional implementation of the first aspect, the second aspect and the optional implementation of the second aspect.

[0169] In a twelfth aspect, an embodiment of the present disclosure provides a chip or a chip system, wherein the chip or chip system includes a processing circuit configured to execute the method described in accordance with the first aspect and its optional implementation, the second aspect and its optional implementation.

[0170] It is understandable that the above-mentioned terminals, network devices, communication systems, storage media, program products, computer programs, chips, or chip systems are all used to perform the methods proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved can refer to the beneficial effects of the corresponding methods and will not be repeated here.

[0171] The present disclosure provides an information processing method and apparatus, a communication device, a communication system, and a storage medium. In some embodiments, the terms "information processing method" and "information processing method" and "communication method" are interchangeable; the terms "information processing apparatus" and "information processing apparatus" and "communication apparatus" are interchangeable; and the terms "information processing system" and "communication system" are interchangeable.

[0172] The embodiments of the present disclosure are not exhaustive and are merely illustrative of some embodiments, and are not intended to be a specific limitation on the scope of protection of the present disclosure. In the absence of contradiction, each step in a certain embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined. For example, a solution after removing some steps in a certain embodiment can also be implemented as an independent embodiment, and the order of the steps in a certain embodiment can be arbitrarily exchanged. In addition, the optional implementation methods in a certain embodiment can be arbitrarily combined; in addition, the embodiments can be arbitrarily combined. For example, some or all steps of different embodiments can be arbitrarily combined, and a certain embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.

[0173] In each embodiment of the present disclosure, unless otherwise specified or provided for by logic, the terms and / or descriptions between the embodiments are consistent and can be referenced by each other. The technical features in different embodiments can be combined to form a new embodiment based on their inherent logical relationships.

[0174] The terms used in the embodiments of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure.

[0175] In the embodiments of the present disclosure, unless otherwise specified, elements expressed in the singular, such as "a", "an", "the", "above", "said", "the", "the", etc., may mean "one and only one", or "one or more", "at least one", etc. For example, when using articles such as "a", "an", "the" in English in translation, the noun following the article may be understood as a singular expression or a plural expression.

[0176] In the embodiments of the present disclosure, “plurality” refers to two or more.

[0177] In some embodiments, the terms "at least one," "one or more," "a plurality of," "multiple," etc. may be used interchangeably.

[0178] In some embodiments, descriptions such as "at least one of A and B," "A and / or B," "A in one case, B in another case," or "in response to one case A, in response to another case B" may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); and in some embodiments, A and B (both A and B are executed). The above is also applicable when there are more branches such as A, B, and C.

[0179] In some embodiments, "A or B" and other descriptions may include the following technical solutions depending on the situation: in some embodiments, A (A is executed independently of B); in some embodiments, B (B is executed independently of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The above is also applicable when there are more branches such as A, B, C, etc.

[0180] The prefixes such as "first" and "second" in the embodiments of the present disclosure are only used to distinguish different description objects and do not constitute any restriction on the position, order, priority, quantity or content of the description objects. For the statement of the description object, please refer to the description in the context of the claims or embodiments, and no unnecessary restriction should be constituted due to the use of prefixes. For example, if the description object is a "field", the ordinal number before the "field" in the "first field" and the "second field" does not limit the position or order between the "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of the "first field" and the "second field". For another example, if the description object is a "level", the ordinal number before the "level" in the "first level" and the "second level" does not limit the priority between the "levels". For another example, the number of description objects is not limited by the ordinal number and can be one or more. Taking "first device" as an example, the number of "devices" can be one or more. In addition, the objects modified by different prefixes can be the same or different. For example, if the description object is "device", then the "first device" and the "second device" can be the same device or different devices, and their types can be the same or different; for another example, if the description object is "information", then the "first information" and the "second information" can be the same information or different information, and their contents can be the same or different.

[0181] In some embodiments, “including A,” “comprising A,” “used to indicate A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.

[0182] In some embodiments, terms such as "in response to...", "in response to determining...", "in the case of...", "at the time of...", "when...", "if...", "if...", etc. can be used interchangeably.

[0183] In some embodiments, terms such as "greater than", "greater than or equal to", "not less than", "more than", "more than or equal to", "not less than", "higher than", "higher than or equal to", "not less than", and "above" can be replaced with each other, and terms such as "less than", "less than or equal to", "not greater than", "less than", "less than or equal to", "not more than", "lower than", "lower than or equal to", "not higher than", and "below" can be replaced with each other.

[0184] In some embodiments, devices and equipment can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. In some cases, they can also be understood as "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", "subject", etc.

[0185] In some embodiments, "network" can be interpreted as devices included in the network, such as access network equipment, core network equipment, etc.

[0186] In some embodiments, "access network device (AN device)" may also be referred to as "radio access network device (RAN device)", "base station (BS)", "radio base station", "fixed station", and in some embodiments may also be understood as "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission and / or reception point (TRP)" "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "serving cell", "carrier", "component carrier", "bandwidth part (BWP)", etc.

[0187] In some embodiments, "terminal" or "terminal device" may be referred to as "user equipment (UE)", "user terminal" "mobile station (MS)", "mobile terminal (MT)", subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless terminal, remote terminal, handset, user agent, mobile client, client, etc.

[0188] In some embodiments, obtaining data, information, etc. may comply with the laws and regulations of the country where the data is obtained.

[0189] In some embodiments, data, information, etc. may be obtained with the user's consent.

[0190] In addition, each element, each row, or each column in the table of the embodiment of the present disclosure can be implemented as an independent embodiment, and the combination of any elements, any rows, and any columns can also be implemented as an independent embodiment.

[0191] FIG1 is a schematic diagram showing the architecture of a communication system according to an embodiment of the present disclosure.

[0192] As shown in FIG1 , a communication system 100 includes a terminal 101 and a network device 102 .

[0193] In some embodiments, the terminal 101 includes, for example, a mobile phone, a wearable device, an Internet of Things device, a car with communication function, a smart car, a tablet computer, a computer with wireless transceiver function, a virtual reality (VR) terminal device, an augmented reality (AR) terminal device, a wireless terminal device in industrial control, a wireless terminal device in self-driving, a wireless terminal device in remote medical surgery, a wireless terminal device in a smart grid, a wireless terminal device in transportation safety, a wireless terminal device in a smart city, and at least one of a wireless terminal device in a smart home, but is not limited thereto.

[0194] In some embodiments, the network device 102 is, for example, a node or device that accesses a terminal to a wireless network. The network device may include an evolved NodeB (eNB), a next generation evolved NodeB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved nodeB (HeNB), a wireless backhaul device, a radio network controller (RNC), a base station controller (BSC), a base transceiver station (BTS), a base band unit (BBU), a mobile switching center, a base station in a 6G communication system, an open base station (Open RAN), a cloud base station (Cloud RAN), a base station in other communication systems, and at least one of an access node in a Wi-Fi system, but is not limited thereto.

[0195] In some embodiments, the technical solution of the present disclosure can be applied to the Open RAN architecture. In this case, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can be transformed into internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0196] In some embodiments, the network device can be composed of a centralized unit (CU) and a distributed unit (DU), where the CU can also be called a control unit. The CU-DU structure can be used to split the protocol layer of the access network device, with the functions of some protocol layers centrally controlled by the CU, and the functions of the remaining part or all of the protocol layers distributed in the DU, which is centrally controlled by the CU, but is not limited to this.

[0197] It can be understood that the communication system described in the embodiment of the present disclosure is for the purpose of more clearly illustrating the technical solution of the embodiment of the present disclosure, and does not constitute a limitation on the technical solution proposed in the embodiment of the present disclosure. Ordinary technicians in this field can know that with the evolution of the system architecture and the emergence of new business scenarios, the technical solution proposed in the embodiment of the present disclosure is also applicable to similar technical problems.

[0198] The following embodiments of the present disclosure may be applied to the communication system 100 shown in FIG1 , or a portion thereof, but are not limited thereto. The entities shown in FIG1 are illustrative only. The communication system may include all or part of the entities shown in FIG1 , or may include other entities outside of FIG1 . The number and form of the entities are arbitrary, and the entities may be physical or virtual. The connection relationships between the entities are illustrative only. The entities may be connected or disconnected, and the connection may be in any manner, including direct or indirect, wired or wireless.

[0199] The embodiments of the present disclosure can be applied to Long Term Evolution (LTE), LTE-Advanced (LTE-A), LTE-Beyond (LTE-B), SUPER 3G, IMT-Advanced, 4th generation mobile communication system (4G), 5th generation mobile communication system (5G), 5G new radio (NR), future radio access (FRA), new radio access technology (RAT), new radio (NR), new radio access (NX), future generation radio access (FX), Global System for Mobile communications (GSM (registered trademark)), CDMA2000, Ultra Mobile Broadband (UMB), IEEE 802.11 (Wi-Fi (registered trademark)), IEEE 802.16 (WiMAX (registered trademark)), IEEE 802.20, Ultra-WideBand (UWB), Bluetooth (registered trademark), Public Land Mobile Network (PLMN) networks, Device-to-Device (D2D) systems, Machine-to-Machine (M2M) systems, Internet of Things (IoT) systems, Vehicle-to-Everything (V2X), systems utilizing other communication methods, and next-generation systems based on and extending these methods. Furthermore, multiple systems may be combined (for example, a combination of LTE or LTE-A with 5G).

[0200] In a codebook-based transmission scheme, the terminal can feedback channel status information (CSI) to the network device based on the channel measurement reference signal sent by the network side. The network device can determine the precoding for downlink data transmission of the terminal based on the CSI fed back by the terminal.

[0201] The types of codebooks in the embodiments of the present disclosure and the applicable scenarios are diverse. For example, they may include a Rel-15 Type II codebook, a Rel-16 Type II codebook, a Rel-17 port selection Type II codebook, an added Rel-18 Type II Doppler codebook for medium and high-speed mobility scenarios, or an enhanced Rel-18 Type II codebook for coherent joint transmission (CJT) scenarios, and the like.

[0202] In some embodiments, for the Rel-15 Type II codebook, the Rel-16 Type II codebook, the Rel-17 port selection Type II codebook, the Rel-18 Type II Doppler codebook added in medium and high speed mobility scenarios, or the enhanced Rel-18 Type II codebook in the CJT scenario, the CSI can be reported in two parts: Part 1 and Part 2. Part 1 includes the rank number (Rank), the channel quality indication (CQI), and the number of non-zero coefficients of the Rank=v transmission layers or the wideband combination coefficients. Part 2 includes the indication information of the spatial domain (SD) / frequency domain (FD) / Doppler domain (DD) basis vectors (basis) corresponding to Rank=v, the quantization information of the linear combination coefficients, and the non-zero coefficient position indication information. For the Rel-15 Type I codebook, CSI is not split and can be reported in two parts, Part 1 and Part 2. For the Rel-15 Type II codebook, CSI reporting can report only Part 1 or both Part 1 and Part 2.

[0203] CSI reporting includes periodic and semi-persistent CSI reporting carried on the Physical Uplink Control Channel (PUCCH). Table 1 below shows various combinations of PUCCH-based reporting corresponding to different codebook types.

[0204] Table 1: Various combinations reported on the PUCCH

[0205] CSI reporting also includes semi-persistent and aperiodic CSI reporting carried on the Physical Uplink Shared Channel (PUSCH). Table 2 below shows various combinations of reporting carried on the PUSCH.

[0206] Table 2: Combinations reported on the PUSCH

[0207] For the above-mentioned Rel-15 Type II codebook, Rel-16 Type II codebook, Rel-17 port selection Type II codebook, the addition of Rel-18 Type II Doppler codebook in medium and high speed mobility scenarios, or the enhanced Rel-18 Type II codebook in CJT scenarios, CSI can be reported aperiodically on the PUSCH.

[0208] The codebook structure of Rel-15 Type II codebook can be expressed as The structure of Rel-16 Type II codebook and Rel-17 port selection Type II codebook can be expressed as: The codebook structure with the Rel-18 Type II Doppler codebook added in the medium- and high-speed mobile scenario can be expressed as Or the codebook structure of the enhanced Rel-18 Type II codebook in the CJT scenario can be expressed as The meanings of the letters in the above codebook structure expression are as follows:

[0209] W is the calculated precoding used for downlink data transmission;

[0210] W1 is composed of multiple SD basis, or the identity matrix, where 1 in the identity matrix represents the port selected by the terminal;

[0211] Indicates the combination coefficient corresponding to SD basis, FD basis and / or DD basis;

[0212] W f Consists of one or more FD basis;

[0213] W d Consists of one or more DD basis;

[0214] W 1,n is the SD basis corresponding to the nth TRP;

[0215] X H represents the conjugate transpose of the matrix X;

[0216] Indicates calculation of the Kronecker product.

[0217] In some embodiments, for each CSI report based on the Rel-15 / 16 Type II or Rel-18 Type II codebook, the CSI report includes indication information such as the SD / FD / DD basis and the combination coefficients of these bases. For each CSI report based on the Rel-17 port selection Type II codebook, the CSI report includes indication information such as the port selection and the port combination coefficients, which are reported in a configured CSI report. The port combination coefficient indication information includes position indication information of non-zero combination coefficients and amplitude and phase quantization information of the non-zero coefficients.

[0218] However, in massive MIMO systems, the SD / FD / DD basis or port selection does not change over time and has a slow-changing nature. Therefore, it is not necessary to include the SD / FD / DD basis or port selection indication in every CSI report. However, the combining coefficient has a fast-changing nature and must be included in every CSI report.

[0219] Therefore, if the SD / FD / DD basis indication information and the combination coefficient indication information can be reported independently, the reporting overhead can be effectively reduced. Therefore, how to report the SD / FD / DD basis indication information and the combination coefficient indication information independently is an urgent problem to be solved.

[0220] The information processing method and device provided by the present disclosure are described in detail below with reference to the accompanying drawings.

[0221] FIG2A is an interactive diagram of an information processing method according to an embodiment of the present disclosure. As shown in FIG2A , the present disclosure embodiment relates to an information processing method, which includes:

[0222] Step S2101 , the network device 102 sends first information to the terminal 101 .

[0223] In some embodiments, the first information is used to configure a codebook of terminal 101 .

[0224] In some embodiments, the first information includes parameters of a codebook of terminal 101 .

[0225] In some embodiments, the name of the first information is not limited, and it can be, for example, "codebook configuration information", "codebook parameter configuration information", etc.

[0226] In some embodiments, the first information may include at least one of the following information:

[0227] at least one number of basis vectors;

[0228] The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer;

[0229] The maximum number of non-zero coefficients in the combined coefficients corresponding to all transmission layers;

[0230] The number of CQIs.

[0231] Optionally, the above-mentioned basis vectors may be at least one of SD basis vectors, FD basis vectors, and DD basis vectors.

[0232] Optionally, in some embodiments, the number of the CQI is one or two.

[0233] Step S2102 : Terminal 101 sends first CSI and second CSI to network device 102 .

[0234] In some embodiments, the first CSI includes first indication information.

[0235] In some embodiments, the second CSI includes second indication information.

[0236] In some embodiments, the first indication information is used to indicate at least one basis vector and / or at least one port.

[0237] Optionally, each port of the at least one port corresponds to one or more basis vectors, or each port corresponds to a combination of multiple basis vectors (for example, each port corresponds to a combination of an SD basis vector and an FD basis vector).

[0238] In some embodiments, the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector.

[0239] In some embodiments, the second indication information is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer.

[0240] In some embodiments, the second indication information is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers.

[0241] In some embodiments, the second indication information is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and amplitude and phase quantization information of the non-zero combination coefficients.

[0242] In some embodiments, the at least one basis vector and the combining coefficients are used to determine precoding for the terminal.

[0243] In some embodiments, the at least one basis vector and / or the at least one port, and the combining coefficient are used to determine precoding of the terminal.

[0244] In some embodiments, the at least one basis vector and / or the at least one port, and the combination coefficient are used to determine the precoding of the terminal based on a codebook structure corresponding to a codebook configured with the aforementioned first information.

[0245] In some embodiments, the name of the first indication information is not limited, and may be, for example, “basis indication”, “port selection”, “port indication”, etc.

[0246] In some embodiments, the name of the second indication information is not limited, and it can be, for example, "combination coefficient indication", "combination coefficient indication quantization information", "combination coefficient quantization information indication", etc.

[0247] In some embodiments, the first CSI and the second CSI are located in different resources.

[0248] In some embodiments, the time domain behaviors corresponding to the first CSI and the second CSI are different.

[0249] In some embodiments, the configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

[0250] Optionally, any one or more of the above three differences may exist between the first CSI and the second CSI.

[0251] Optionally, the resource where the CSI is located may be, for example, a broadband of a short PUCCH, or a broadband of a long PUCCH, or a broadband of a PUSCH, or a subband of a PUSCH, etc.

[0252] Optionally, the time domain behavior corresponding to the CSI may be any one of the following: the CSI is periodically sent in the time domain, the CSI is semi-continuously sent in the time domain, and the CSI is non-periodically sent in the time domain.

[0253] Optionally, the name of the above configuration information is not limited, and it can be, for example, "CSI configuration information", "CSI reporting (report) configuration information", etc.

[0254] In some embodiments, the first CSI and the second CSI have any one or more of the following association relationships:

[0255] The first CSI and the second CSI correspond to the same channel measurement reference signal;

[0256] The first CSI associated with the second CSI is the first CSI that is located before the second CSI in the time domain and has the shortest time domain interval with the second CSI;

[0257] The first CSI is transmitted periodically or semi-continuously in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI is located;

[0258] The first CSI and the second CSI correspond to the same channel type.

[0259] Optionally, the channel measurement reference signal is a reference signal sent by the network device 102 to the terminal 101 and used for channel measurement, which is, for example, a channel status information reference signal (CSI-RS) and the like.

[0260] Optionally, the time domain position of the first CSI is before the second CSI associated with the first CSI.

[0261] It can be understood that the association of the second CSI with the first CSI corresponding to the period in which the time domain position of the second CSI is located means that, within a period in which the first CSI is sent, the first CSI sent within the period is associated with the second CSI sent within the period.

[0262] Optionally, the first CSI and the second CSI may correspond to the same channel type, for example, the first CSI and the second CSI may be both sent on the PUCCH, or the first CSI and the second CSI may be both sent on the PUSCH, etc.

[0263] In some embodiments, the first CSI is sent on a wideband of a physical uplink control channel PUCCH, and the time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission.

[0264] Optionally, the PUCCH may be a short PUCCH or a long PUCCH.

[0265] In some embodiments, the first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or aperiodic transmission.

[0266] In some embodiments, the first CSI includes a CSI part.

[0267] Optionally, the first indication information included in the first CSI can be used to indicate at least one SD basis vector and can also be used to indicate at least one FD basis vector.

[0268] Optionally, the first indication information included in the first CSI can be used to indicate at least one SD basis vector, and can also be used to indicate at least one FD basis vector and at least one DD basis vector.

[0269] Optionally, the first indication information included in the first CSI can be used to indicate at least one port, each port corresponding to one or more SD basis vectors, and can also be used to indicate at least one FD basis vector and / or at least one DD basis vector.

[0270] Optionally, the first indication information included in the first CSI can be used to indicate at least one port and at least one FD basis vector, and each port corresponds to a combination of an SD basis vector and an FD basis vector.

[0271] Optionally, the first indication information included in the first CSI can be used to indicate at least one port and at least one FD basis vector, each port corresponds to a combination of an SD basis vector and an FD basis vector, and the first indication information can also be used to indicate at least one DD basis vector.

[0272] Optionally, the first indication information includes at least one of the following:

[0273] Indication information of at least one SD basis vector (used to indicate at least one SD basis vector);

[0274] Indication information of at least one FD basis vector (used to indicate at least one FD basis vector);

[0275] Indication information of at least one DD basis vector (used to indicate at least one DD basis vector);

[0276] Port indication information (used to indicate at least one port).

[0277] Optionally, the first CSI includes indication information of at least one SD basis vector and indication information of at least one FD basis vector.

[0278] Optionally, the first CSI includes indication information of at least one SD basis vector, indication information of at least one FD basis vector and indication information of at least one DD basis vector.

[0279] Optionally, the first CSI includes port indication information.

[0280] Optionally, the first CSI includes port indication information and indication information of at least one FD basis vector.

[0281] Optionally, the first CSI includes port indication information, indication information of at least one FD basis vector and indication information of at least one DD basis vector.

[0282] In some embodiments, the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one FD basis vector and / or at least one DD basis vector.

[0283] Optionally, the first CSI part of the first CSI includes indication information of at least one SD basis vector, and the second CSI part of the first CSI includes indication information of at least one FD basis vector.

[0284] Optionally, the first CSI part of the first CSI includes indication information of at least one SD basis vector, and the second CSI part of the first CSI includes indication information of at least one FD basis vector and indication information of at least one DD basis vector.

[0285] In some embodiments, the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one FD basis vector and / or at least one DD basis vector.

[0286] Optionally, each of the above ports corresponds to one or more SD basis vectors.

[0287] Optionally, the first CSI part of the first CSI includes port indication information, and the second CSI part of the first CSI includes indication information of at least one FD basis vector.

[0288] Optionally, the first CSI part of the first CSI includes port indication information, and the second CSI part of the first CSI includes indication information of at least one FD basis vector and indication information of at least one DD basis vector.

[0289] In some embodiments, the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

[0290] Optionally, each of the above ports corresponds to a combination of an SD basis vector and an FD basis vector.

[0291] Optionally, the first CSI part of the first CSI includes port indication information and indication information of at least one FD basis vector, and the second CSI part of the first CSI includes indication information of at least one DD basis vector.

[0292] In some embodiments, the first indication information is used to indicate at least one port, which corresponds to a combination of an SD basis vector, an FD basis vector, and a DD basis vector. The first CSI may include only one CSI part, which includes the first indication information for indicating at least one port, at least one FD basis vector, and at least one DD basis vector.

[0293] Optionally, the first CSI includes port indication information, indication information of at least one FD basis vector and indication information of at least one DD basis vector, wherein the port corresponds to a combination of an SD basis vector, an FD basis vector and a DD basis vector.

[0294] In some embodiments, the second CSI is sent on the wideband of the PUSCH, and the time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission.

[0295] In some embodiments, the second CSI is sent on the wideband of the long PUCCH, and the time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

[0296] In some embodiments, the second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, as well as the amplitude and phase quantization information of the non-zero combination coefficients.

[0297] Optionally, the second indication information includes at least one of the following:

[0298] Indication information of the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer;

[0299] Indication information of the number of non-zero combination coefficients among the combination coefficients corresponding to all transmission layers;

[0300] information indicating positions of non-zero combination coefficients in the combination coefficients;

[0301] The information indicating the quantization information of the amplitude and phase of the non-zero combination coefficients in the combination coefficients.

[0302] Optionally, the first CSI part of the second CSI includes indication information of the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or includes indication information of the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second CSI part of the second CSI includes indication information of the position of the non-zero combination coefficients in the combination coefficients, and indication information of the amplitude and phase quantization information of the non-zero combination coefficients in the combination coefficients.

[0303] In some embodiments, the second CSI further includes a channel quality indication CQI.

[0304] Optionally, the number of CQIs that the terminal 101 needs to feed back to the network device 102 is one, and the CQI is included in the first CSI part of the second CSI.

[0305] Optionally, the number of CQIs that the terminal 101 needs to feed back to the network device 102 is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

[0306] Optionally, each of the above CQIs includes a wideband CQI and a subband CQI corresponding to the CQI.

[0307] In some embodiments, the first CSI further includes a rank indication (RI).

[0308] In some embodiments, the second CSI further includes a rank indication RI.

[0309] In some embodiments, RI is included only in the first CSI.

[0310] In some embodiments, only RI is included in the second CSI.

[0311] In some embodiments, both the first CSI and the second CSI include RI.

[0312] In some embodiments, the RI is configured by a network device, and the RI may not be included in the first CSI and the second CSI.

[0313] Optionally, the RI is used to indicate the precoding rank of the terminal.

[0314] Optionally, the RI is used to indicate the number of transmission layers of the terminal.

[0315] In some embodiments, the first CSI includes RI, and the first CSI includes only one CSI part.

[0316] In some embodiments, the first CSI includes RI, and the first CSI includes two CSI parts, and the RI is included in a first CSI part of the first CSI.

[0317] In some embodiments, the second CSI includes RI, and the second CSI includes two CSI parts, and the RI is included in a first CSI part of the second CSI.

[0318] As an example, the first CSI includes first indication information and RI, and the first CSI includes two CSI parts, the first CSI part of the first CSI includes RI and first indication information, the first indication information is used to indicate at least one SD basis vector or at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate an FD basis vector and / or a DD basis vector.

[0319] In some embodiments, the time domain behavior corresponding to the first CSI is non-periodic transmission or semi-continuous transmission, and the network device 102 can also send one or more first signalings to the terminal 101, and the first signaling is used to trigger the terminal 101 to send the first CSI.

[0320] In some embodiments, the time domain behavior corresponding to the second CSI is non-periodic transmission or semi-continuous transmission, and the network device 102 can also send one or more first signalings to the terminal 101, and the first signaling is used to trigger the terminal 101 to send the second CSI.

[0321] In some embodiments, the time domain behavior corresponding to the first CSI is non-periodic transmission or semi-continuous transmission, and the time domain behavior corresponding to the second CSI is non-periodic transmission or semi-continuous transmission. The network device 102 can also send one or more first signalings to the terminal 101, and the first signaling is used to trigger the terminal 101 to send the first CSI and the second CSI.

[0322] Optionally, the network device 102 may send first signaling to trigger the terminal 101 to send the first CSI and the second CSI respectively.

[0323] Optionally, the first signaling used to trigger the terminal 101 to send the first CSI is of the same type as the first signaling used to trigger the terminal 101 to send the second CSI (for example, both are DCI, etc.).

[0324] Optionally, the first signaling may be, for example, downlink control information (DCI), or a media access control element (MAC CE), etc.

[0325] In some embodiments, the first CSI and / or the second CSI may further include other indication information, such as the strongest coefficient indication (SCI), phase offset indication information, CSI-RS selection indication information, etc.

[0326] In some embodiments, the first CSI and the second CSI may not include all of the indication information mentioned above, but may only include part of the indication information. Under certain network parameter configurations, part of the indication information may not be reported to the network side.

[0327] To more clearly understand the above embodiments, several exemplary implementations are shown below. CSI feedback of a certain codebook type is used as an example. The parameter indication information and CSI feedback reporting method described in any example may also be applicable to CSI feedback of other Type II codebook types, and the embodiments of the present disclosure are not limited thereto.

[0328] As an example, the codebooks of the terminal 101 and the network device 102 are Rel-16 Type II codebooks, and the terminal 101 feeds back CSI to the network device 102 based on the Rel-16 Type II codebook.

[0329] For example, the network device 102 configures two types of CSI reporting configuration information for the terminal 101: CSIreport1 (for configuring the second CSI) and CSI report 2 (for configuring the first CSI). Indication information such as RI, CQI, non-zero coefficient number indication information, SCI, and non-zero coefficient position, amplitude and phase quantization information are carried on the PUSCH and reported in the second CSI (CSIreport1) transmitted non-periodically, and these indication information are reported in two parts, as shown in Table 3. The SD basis and FD basis are carried on the LongPUCCH and reported in the periodic or semi-continuous first CSI (CSI report 2), and the indication information of the SD basis and FD basis is reported independently through a CSI part. Among them, the FD basis indication information includes the FD basis corresponding to each layer under the maximum supported rank. For example, if the maximum supported rank = 4, the CSI part includes FD basis indication information corresponding to 4 layers.

[0330] Table 3: Contents reported in the two CSI parts of the Rel-16 Type II codebook

[0331] Optionally, RI can also be reported together with the indication information of SD basis and FD basis through a configured CSI report (i.e., reported through the first CSI), and reported through CSI Part 1 and CSI Part 2, where CSI Part 1 of the first CSI includes RI, or includes RI and SD basis indication information. CSI Part 2 of the first CSI includes FD basis indication information corresponding to each layer when rank = v = 4.

[0332] Terminal 101 or network device 102 uses Rel-16 Type II codebook structure When calculating precoding, it is necessary to ensure the combination coefficient and SD / FD basis, i.e. W1 / W f Matched or associated because The calculation of depends on W1 and W selected by terminal 101 f If the calculation of precoding is used and W1 / W f If there is no correlation, it will lead to errors in the calculated precoding and reduce system performance. With this report Before and with the report The most recent SD / FD basis report is associated (i.e., the first CSI associated with the second CSI is the first CSI whose time domain position is before the second CSI and is closest to the second CSI time domain interval), that is, on the terminal side W1 and W are determined by the association relationship defined above. f On the network side, the network device 102 determines the received combination coefficient related information and the associated SD basis, FD basis and other indication information respectively. W1 and W f , and is used to calculate the precoding of downlink data.

[0333] As another example, the codebooks of the terminal 101 and the network device 102 are Rel-18 Type II codebooks in a medium-high speed mobility scenario, and the terminal 101 feeds back CSI to the network device 102 based on the Rel-18 Type II codebook in the medium-high speed mobility scenario.

[0334] For example, the network device 102 configures two types of CSI reporting configuration information for the terminal 101: CSIreport1 (for configuring the second CSI) and CSI report 2 (for configuring the first CSI). RI, one or two wideband CQIs and subband CQIs, non-zero coefficient number indication information, SCI, and non-zero coefficient indication information are carried on the PUSCH and included in the second CSI (CSIreport1) transmitted aperiodically, and these indication information are reported in two parts, as shown in Table 4. The indication information on the SD basis, FD basis, and DD basis are carried on the PUSCH and included in the first CSI (CSI report 2) transmitted aperiodically, and the indication information on the SD basis, FD basis, and DD basis are reported independently through one CSI part. The FD basis and DD basis indication information include the FD basis corresponding to each layer under the maximum supported rank. For example, if the maximum supported rank = 4, the CSI part includes the FD basis indication information corresponding to 4 layers. The above-mentioned first CSI and second CSI transmitted aperiodically can be triggered to be reported through one or two first signalings (for example, DCI).

[0335] Table 4: Contents of two CSI parts reported based on Rel-18 Type II codebook in medium- and high-speed mobility scenarios

[0336] Optionally, RI can also be reported together with the indication information of SD basis, FD basis, and DD basis through a configured CSI report (i.e., reported through the first CSI), and reported through CSI Part 1 and CSI Part 2, where CSI Part 1 of the first CSI includes RI, or includes RI and SD basis indication information. CSI Part 2 of the first CSI includes FD basis and DD basis indication information corresponding to each layer when rank = v = 4.

[0337] Terminal 101 or network device 102 uses Rel-18 Type II codebook structure When calculating precoding, it is also necessary to ensure the combination coefficient and SD / FD basis, i.e. W1 / W f The first CSI (CSI report 2) and the second CSI (CSI report 1) configured by the network device 102 are both associated with the same CSI-RS resource for channel measurement (i.e., the first CSI and the second CSI correspond to the same channel measurement reference signal). With this report Before and with the report The most recent SD / FD basis report is associated (i.e., the first CSI associated with the second CSI is the first CSI whose time domain position is before the second CSI and whose time domain interval is closest to the second CSI), that is, the first CSI reported on the terminal side. W1 and W are determined by the above defined relationship. f 、W d On the network side, the network device 102 determines the received combination coefficient related indication information and the associated SD basis, FD basis and other indication information respectively. W1, W f and W d , and is used to calculate the precoding of downlink data.

[0338] As another example, the codebooks of the terminal 101 and the network device 102 are Rel-18 Type II codebooks in a CJT scenario, and the terminal 101 feeds back CSI to the network device 102 based on the Rel-18 Type II codebook in the CJT scenario.

[0339] For example, network device 102 configures terminal 101 with two types of CSI reporting configuration information: CSIreport1 (for configuring the second CSI) and CSIreport2 (for configuring the first CSI). The CQI, non-zero coefficient number indication information, SCI, and non-zero coefficient indication information are reported in the second CSI (CSI report 1) transmitted aperiodically on the PUSCH, and these indication information are reported in two parts, as shown in Table 5. The RI, CSI-RS resource selection indication, SD basis combination indication for the selected CSI-RS resource, SD basis, phase offset, and FD basis indication information corresponding to N≥1 TRPs or CSI-RS resources are reported in the first CSI (CSI report 2) transmitted aperiodically on the PUSCH, and the SD basis, phase offset, and FD basis indication information are reported independently in one CSI part.

[0340] Table 5: Contents of two CSI parts reported based on the Rel-18 Type II codebook in the CJT scenario

[0341] Optionally, RI, SD basis, phase offset, and FD basis indication information can also be reported through CSI Part 1 and CSI Part 2. CSI Part 1 of the first CSI includes RI, CSI-RS resource selection indication information, and SD basis combined indication information selected by the UE (SD basis). CSI Part 2 of the first CSI includes SD basis indication information corresponding to the selected CSI-RS resource and FD basis indication information corresponding to Rank = v (v is determined by the RI indication) transmission layers. Phase offset indication information can be placed in CSI Part 1 or CSI Part 2.

[0342] Terminal 101 or network device 102 uses Rel-18 Type II codebook structure When calculating precoding, it is also necessary to ensure the combination coefficient and SD / FD basis, i.e. W1 / W f The first CSI (CSI report 2) and the second CSI (CSI report 1) configured by the network device 102 are both associated with the same PUSCH resource (ie, the first CSI and the second CSI correspond to the same channel type). With this report Before and with the report The most recent SD / FD basis report is associated (i.e., the first CSI associated with the second CSI is the first CSI whose time domain position is before the second CSI and is closest to the second CSI time domain interval), that is, the first CSI reported on the terminal side. W is determined by the association relationship defined above 1,i 、W f 、W d On the network side, the network device 102 determines the received combination coefficient related indication information and the associated SD basis, FD basis and other indication information respectively. W 1,i 、W f and W d , and is used to calculate the precoding of downlink data.

[0343] As another example, the codebooks of the terminal 101 and the network device 102 are Rel-17 Type II port selection codebooks, and the terminal 101 feeds back CSI to the network device 102 based on the Rel-17 Type II port selection codebook.

[0344] For example, network device 102 configures terminal 101 with two types of CSI reporting configuration information: CSI report 1 (used for configuring the second CSI) and CSI report 2 (used for configuring the first CSI). Indication information such as RI, CQI, non-zero coefficient number indication information, SCI, and non-zero coefficients is reported in the second CSI (CSI report 1) transmitted aperiodically on the PUSCH, and this information is reported in two parts, as shown in Table 6. The port selection indication and FD basis are reported in the first CSI (CSI report 2) transmitted periodically or semi-persistently on the Long PUCCH, and the port selection and FD basis indication information is reported independently in a single CSI part.

[0345] Table 6: Contents of the two CSI parts reported in the Rel-17 Type II port selection codebook

[0346] Optionally, the RI, the port selection indication, and the FD basis indication information are reported through one CSI report. It can also be reported through one CSI part because the port selection indication is independent of the values ​​of the FD basis indication and the rank.

[0347] UE or gNB uses the Rel-17 Type II codebook structure When calculating precoding, it is necessary to ensure the combination coefficient And port selection / FD basis i.e. W1 / W f Match or associate. Assuming that the port selection and FD basis indication information is reported through the first CSI that is sent periodically or semi-continuously, within one period of the first CSI, the port selection and FD basis indication information (i.e., the first CSI) is reported first, and then the combination coefficient indication quantization information (i.e., the second CSI) is reported. Among them, the indication quantization information of the reported combination coefficient is associated with the port selection and FD basis indication information reported within the period (i.e., the first CSI is periodic or semi-continuous in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI is located). That is, on the terminal side, W1 and W are determined by the association relationship defined above. f On the network side, the network device 102 determines the received combination coefficient and other related indication information and the associated port selection, FD basis and other indication information respectively. W1 and W f , and is used to calculate the precoding of downlink data.

[0348] In some embodiments, the names of information, etc. are not limited to the names described in the embodiments, and terms such as "information", "message", "signal", "signaling", "report", "configuration", "indication", "instruction", "command", "channel", "parameter", "domain", "field", "symbol", "symbol", "codeword", "codebook", "codeword", "codepoint", "bit", "data", "program", and "chip" can be used interchangeably.

[0349] In some embodiments, the terms "codebook," "codeword," and "precoding matrix" may be used interchangeably. For example, a codebook may be a collection of one or more codewords / precoding matrices.

[0350] In some embodiments, terms such as "uplink", "uplink", "physical uplink" can be interchangeable with each other, and terms such as "downlink", "downlink", "physical downlink" can be interchangeable with each other, and terms such as "side", "sidelink", "side communication", "sidelink communication", "direct connection", "direct link", "direct communication", "direct link communication" can be interchangeable with each other.

[0351] In some embodiments, the terms "downlink control information (DCI)", "downlink (DL) assignment", "DL DCI", "uplink (UL) grant", "UL DCI" and the like may be used interchangeably.

[0352] In some embodiments, terms such as "physical downlink shared channel (PDSCH)" and "DL data" can be used interchangeably, and terms such as "physical uplink shared channel (PUSCH)" and "UL data" can be used interchangeably.

[0353] In some embodiments, the terms "radio", "wireless", "radio access network (RAN)", "access network (AN)", "RAN-based" and the like may be used interchangeably.

[0354] In some embodiments, the terms "search space", "search space set", "search space configuration", "search space set configuration", "control resource set (CORESET)", "CORESET configuration" and the like may be used interchangeably.

[0355] In some embodiments, terms such as "synchronization signal (SS)", "synchronization signal block (SSB)", "reference signal (RS)", "pilot", and "pilot signal" can be used interchangeably.

[0356] In some embodiments, terms such as "moment", "time point", "time", and "time position" can be replaced with each other, and terms such as "duration", "period", "time window", "window", and "time" can be replaced with each other.

[0357] In some embodiments, the terms "precoding", "precoder", "weight", "precoding weight", "quasi-co-location (QCL)", "transmission configuration indication (TCI) state", "spatial relation", "spatial domain filter", "transmission power", "phase rotation", "antenna port", "antenna port group", "layer", "the number of layers", "rank", "resource", "resource set", "resource group", "beam", "beam width", "beam angular degree", "antenna", "antenna element", "panel" and the like can be used interchangeably.

[0358] In some embodiments, "obtain", "get", "get", "receive", "transmit", "bidirectional transmission", "send and / or receive" can be interchangeable, and can be interpreted as receiving from other entities, obtaining from protocols, obtaining from higher layers, obtaining by self-processing, autonomous implementation, etc.

[0359] In some embodiments, terms such as "send", "transmit", "report", "download", "transmit", "bidirectional transmission", "send and / or receive" can be used interchangeably.

[0360] In some embodiments, terms such as "certain", "preset", "preset", "setting", "indicated", "a certain", "any", and "first" can be interchangeable. "Specific A", "preset A", "preset A", "setting A", "indicated A", "a certain A", "any A", and "first A" can be interpreted as A pre-specified in a protocol, etc., or as A obtained through setting, configuration, or indication, etc., or as specific A, a certain A, any A, or first A, etc., but not limited to this.

[0361] The communication method involved in the embodiments of the present disclosure may include at least one of steps S2101 and S2102. For example, step 2102 may be implemented as an independent embodiment, step 2101 may be implemented as an independent embodiment, steps 2101+2102 may be implemented as independent embodiments, etc., but the present disclosure is not limited thereto.

[0362] In some embodiments, step 2101 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0363] In some embodiments, reference may be made to other optional implementations described before or after the description corresponding to FIG. 2A .

[0364] FIG3A is a flow chart of an information processing method according to an embodiment of the present disclosure. As shown in FIG3A , the present disclosure embodiment relates to an information processing method, which is executed by terminal 101 and includes:

[0365] Step S3101, receiving first information.

[0366] The optional implementation of step S3101 can refer to the optional implementation of step S2101 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.

[0367] In some embodiments, the terminal 101 receives the first information sent by the network device 102, but is not limited thereto and may also receive the first information sent by other entities.

[0368] In some embodiments, terminal 101 obtains first information specified by a protocol.

[0369] In some embodiments, terminal 101 obtains the first information from upper layer(s).

[0370] In some embodiments, the terminal 101 performs processing to obtain the first information.

[0371] In some embodiments, step S3101 is omitted, and the terminal 101 autonomously implements the function indicated by the first information, or the above function is default or by default.

[0372] Step S3102: Send the first CSI and the second CSI.

[0373] The optional implementation of step S3102 can refer to the optional implementation of step S2102 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.

[0374] In some embodiments, the terminal 101 sends the first CSI and the second CSI to the network device 102, but is not limited thereto. The first CSI and the second CSI may also be sent to other entities.

[0375] Optionally, the first CSI and the second CSI are used to determine the precoding of the terminal 101.

[0376] The communication method involved in the embodiments of the present disclosure may include at least one of steps S3101 and S3102. For example, step 3102 may be implemented as an independent embodiment, step 3101 may be implemented as an independent embodiment, steps 3101+3102 may be implemented as independent embodiments, etc., but the present disclosure is not limited thereto.

[0377] In some embodiments, step 3101 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0378] FIG3B is a flow chart of an information processing method according to an embodiment of the present disclosure. As shown in FIG3B , the embodiment of the present disclosure relates to an information processing method, which is executed by terminal 101 and includes:

[0379] Step S3201: Send the first CSI and the second CSI to the network device 102.

[0380] The optional implementation of step S3201 can refer to step S2102 in Figure 2A, the optional implementation of step S3101 in Figure 3A, and other related parts in the embodiments involved in Figures 2A and 3A, which will not be repeated here.

[0381] In some embodiments, the terminal 101 sends the first CSI and the second CSI to the network device 102, but is not limited thereto. The first CSI and the second CSI may also be sent to other entities.

[0382] Optionally, the first CSI and the second CSI are used to determine the precoding of the terminal 101.

[0383] FIG4A is a flow chart of an information processing method according to an embodiment of the present disclosure. As shown in FIG4A , the present disclosure embodiment relates to an information processing method, which is executed by the network device 102 and includes:

[0384] Step S4101, sending the first information.

[0385] The optional implementation of step S4101 can refer to the optional implementation of step S2101 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.

[0386] In some embodiments, the network device 102 sends the first information to the terminal 101, but is not limited thereto and may also send configuration information to other entities.

[0387] Step S4102: Receive the first CSI and the second CSI.

[0388] The optional implementation of step S4102 can refer to the optional implementation of step S2102 in Figure 2A and other related parts in the embodiment involved in Figure 2A, which will not be repeated here.

[0389] In some embodiments, the network device 102 receives the first CSI and the second CSI sent by the terminal 101, but is not limited thereto and may also receive the first CSI and the second CSI sent by other entities.

[0390] Optionally, the first CSI and the second CSI are used to determine the precoding of the terminal 101.

[0391] The communication method involved in the embodiments of the present disclosure may include at least one of steps S4101 and S4102. For example, step 4102 may be implemented as an independent embodiment, step 4101 may be implemented as an independent embodiment, steps 4101+4102 may be implemented as independent embodiments, etc., but the present disclosure is not limited thereto.

[0392] In some embodiments, step S4101 is optional, and one or more of these steps may be omitted or replaced in different embodiments.

[0393] FIG4B is a flow chart of an information processing method according to an embodiment of the present disclosure. As shown in FIG4B , the embodiment of the present disclosure relates to an information processing method, which is executed by the network device 102 and includes:

[0394] Step S4201: Receive first CSI and second CSI.

[0395] The optional implementation of step S4201 can refer to step S2102 in Figure 2A, the optional implementation of step S4102 in Figure 4A, and other related parts in the embodiments involved in Figures 2A and 4A, which will not be repeated here.

[0396] In some embodiments, the network device 102 receives the first CSI and the second CSI sent by the terminal 101, but is not limited thereto and may also receive the first CSI and the second CSI sent by other entities.

[0397] Optionally, the first CSI and the second CSI are used to determine the precoding of the terminal 101.

[0398] FIG5 is a flow chart of an information processing method according to an embodiment of the present disclosure. As shown in FIG5 , the method according to the embodiment of the present disclosure is used in a communication system 100, and the method includes:

[0399] Step S5101 : Terminal 101 sends first channel state information CSI and second CSI to network device 102 .

[0400] Optionally, the first CSI and the second CSI are used to determine the precoding of the terminal 101.

[0401] The optional implementation method of step S5101 can refer to the steps in any embodiment or any multiple embodiments in the above-mentioned Figures 2A, 3A-3B, and 4A-4B, and other related parts of the embodiments involved in Figures 2A, 3A-3B, and 4A-4B.

[0402] In some embodiments, the above method may include the method described in the above embodiments of the communication system side, terminal side, network device side, etc., which will not be repeated here.

[0403] In this embodiment or example, unless there is any contradiction, each step can be independent, arbitrarily combined or exchanged in order, the optional methods or optional examples can be arbitrarily combined, and can be arbitrarily combined with any steps of other embodiments or other examples.

[0404] The following is an exemplary introduction to the methods described in the above embodiments.

[0405] Codebook-based CSI reporting includes SD / FD / DD basis, RI, CQI indication, and combined coefficient indication quantization reporting. The following provides one or more independent reporting methods of SD / FD / DD basis and RI, CQI indication, and combined coefficient indication quantization:

[0406] Indications on a SD / FD / DD basis are reported in different bearer resources:

[0407] Optionally, the SD / FD / DD basis is reported in a broadband manner through shortPUCCH or LongPUCCH, and the time domain behavior of the reporting can be semi-continuous reporting or periodic reporting.

[0408] Optionally, the SD / FD / DD basis is reported in a broadband manner through the PUSCH, and the time domain behavior of the reporting is semi-continuous reporting or non-periodic reporting.

[0409] Reporting method for SD / FD / DD basis instructions:

[0410] Optionally, the SD / FD / DD basis is reported independently in the CSI containing only one CSI part.

[0411] Optionally, the SD / FD / DD basis is still reported in two parts, CSI Part 1 and CSI Part 2, where the SD basis is reported in CSI Part 1, and the FD and DD basis are reported in CSI Part 2.

[0412] Reporting of port selection indication:

[0413] Optionally, the port corresponds to SD basis, and the port selection indication is reported in CSI Part 1.

[0414] Optionally, the port corresponds to a combination of SD basis and FD basis, the port selection indication is reported in CSI Part 1, and the FD basis can be reported in CSI Part 1 together with the port selection indication.

[0415] · Reporting of quantization information of combination coefficients and / or CQI:

[0416] Optionally, the quantization information indicating the linear combination coefficient and / or the CQI are reported in a broadband manner via the PUSCH, and the time domain behavior of the reporting is semi-continuous or non-periodic.

[0417] Optionally, the quantization information indicating the linear combination coefficients and / or the CQI are reported in a broadband manner via the Long PUCCH, and the time domain behavior of the reporting may be semi-continuous or periodic.

[0418] · Reporting method of quantization information of combination coefficient and / or CQI:

[0419] Optionally, the reporting of the indication quantization information of the combination coefficient and / or CQI is divided into two parts, CSI Part 1 and CSI Part 2, where CSI Part 1 includes the indication information of the number of non-zero coefficients in the combination coefficient corresponding to Rank=v transmission layers and / or multiple TRPs, and the wideband CQI and subband CQI indication information corresponding to the first CQI; CSI Part 2 includes the non-zero coefficient position indication information of the combination coefficient and the amplitude and phase quantization information of the non-zero coefficient.

[0420] In some embodiments, RI is reported together with the quantization information indicating the combination coefficient and / or CQI, or together with the indication information on the SD / FD / DD basis. RI and the indication information on the SD / FD / DD basis are reported in one CSI part, or RI and the indication information on the SD / FD / DD basis are reported in two parts via CSI. If reported in two parts via CSI, RI and SD basis are reported in CSI Part 1, while FD / DD basis is reported in CSI Part 2.

[0421] Among the above-reported indication information, at least the SD / FD / DD basis indication reporting and the quantization indication information of the combination coefficient are reported via two different CSI reports. Different CSI reports refer to reporting on different bearer resources, reporting in different time domain behaviors, or reporting via different CSI reporting configurations. That is, the SD / FD / DD basis and the combination coefficient are reported via a combination of the above-mentioned different methods.

[0422] For configuring multiple different aperiodic or semi-persistent CSI reporting configurations, the network side may trigger reporting by sending one or more identical signalings such as DCI and / or MAC-CE.

[0423] At least the SD / FD / DD basis indication report and the quantization indication information of the combination coefficient in the above-mentioned reported indication information need to be associated through two different CSI reports in one or more of the following ways:

[0424] Mode 1: These two different CSI reports are associated with the same channel measurement resource.

[0425] Mode 2: The indication quantization information report of the combination coefficient is associated with the SD / FD / DD basis indication report that is most recent to the indication quantization information report of the combination coefficient.

[0426] Mode 3: If the SD / FD / DD basis is periodic or semi-continuous reporting, the indication quantization information report of the combination coefficient is associated with an SD / FD / DD basis report within the SD / FD / DD basis indication reporting period in which the indication quantization information report of the combination coefficient is located.

[0427] Mode 4: Associating by allocating the same uplink resources, such as allocating the same PUCCH or PUSCH resources.

[0428] In some embodiments, the above-mentioned SD basis / FD basis / DD basis indication may also be replaced by a port selection indication.

[0429] In some embodiments, the above-mentioned CSI reporting does not always include all of the above-mentioned indication information. Under certain network parameter configurations, part of the indication information is not reported to the network side.

[0430] In order to more clearly understand the above scheme, several exemplary embodiments are provided below. The following embodiments only use CSI feedback of a certain codebook type as an example. The reporting method of indication information such as SD / FD / DD basis and combination coefficient described in a certain embodiment may also be applicable to CSI reporting of other Type II codebook types.

[0431] Example 1 (CSI Feedback Based on Rel-16 Type II Codebook)

[0432] Currently, CSI feedback based on the Rel-16 Type II codebook includes two parts: CSI Part 1 and CSI Part 2. CSI reporting is carried out in a semi-persistent or aperiodic manner on the PUSCH. The possible contents of CSI Part 1 and CSI Part 2 are shown in Table 7.

[0433] Table 7: Contents reported in two CSI parts of the Rel-16 Type II codebook in related technologies

[0434] In each CSI report, CSI Part 1 and CSI Part 2 need to be reported simultaneously. Since the SD basis and FD basis change slowly or remain essentially unchanged within a certain time range, they only need to be reported once within this time range, which reduces the UE's feedback overhead.

[0435] Assume that the gNB configures CSI Report 1 and CSI Report 2 for the UE. Indication information such as RI, CQI, non-zero coefficient number indication, SCI, and non-zero coefficients is reported via the PUSCH in aperiodic CSI Report 1. This information is reported in two parts, as shown in Table 7 above. SD-based and FD-based indication information are reported via the Long PUCCH in periodic or semi-persistent CSI Report 2. The SD-based and FD-based indication information are reported independently in a single CSI part. The FD-based indication information includes the FD-based indication information for each layer under the maximum supported rank. For example, if the maximum supported rank is 4, the CSI part includes FD-based indication information for all four layers.

[0436] Optionally, the RI and SD basis and FD basis indication information are reported through a configured CSI report and reported through CSI Part 1 and CSI Part 2, where CSI Part 1 includes RI, or includes RI and SD basis indication information. CSI Part 2 includes FD basis indication information corresponding to each layer when rank = v = 4.

[0437] UE or gNB uses Rel-16 Type II codebook structure When calculating precoding, it is necessary to ensure the combination coefficient and SD / FD basis, i.e. W1 / W f Matched or associated because The calculation of depends on W1 and W selected by terminal 101 f If the calculation of precoding is used and W1 / W f If there is no correlation, it will lead to errors in the calculated precoding and reduce system performance. With this report Before and with the report The most recent SD / FD basis report is associated (corresponding to the two different CSI report association methods in the above scheme 2), that is, on the UE side W1 and W are determined by the association relationship defined above. f On the network side, the gNB determines the received combination coefficients and other related indication information based on the SD basis, FD basis and other related indication information. W1 and W f , and is used to calculate the precoding of downlink data.

[0438] Example 2 (CSI Feedback Based on Rel-18 Type II Codebook in Medium- and High-Speed ​​Mobility Scenario)

[0439] Currently, CSI feedback based on the Rel-18 Type II codebook in medium- and high-speed mobility scenarios includes CSI Part 1 and CSI Part 2. CSI reporting is carried out via a semi-persistent or aperiodic manner on the PUSCH. The possible contents of CSI Part 1 and CSI Part 2 are shown in Table 8.

[0440] Table 8: Contents of two CSI parts reported based on Rel-18 Type II codebook in medium-high speed mobility scenarios in related technologies

[0441] Assume that the gNB configures CSI Report 1 and CSI Report 2 for the UE. The RI, one or two wideband CQIs and subband CQIs, non-zero coefficient number indication information, SCI, and non-zero coefficient indication information are reported via the PUSCH in aperiodic CSI Report 1. These indications are reported in two parts, as shown in Table 8 above. The SD-based, FD-based, and DD-based indication information are reported via the PUSCH in aperiodic CSI Report 2. The SD-based, FD-based, and DD-based indication information are reported independently in a single CSI part. The FD-based and DD-based indication information includes the FD-based indication information for each layer under the maximum supported rank. For example, if the maximum supported rank is 4, the CSI part includes FD-based indication information for all four layers. These two aperiodic CSI reports can be triggered by one or two DCI signalings.

[0442] Optionally, the indication information on the RI and SD basis, and on the FD basis and DD basis is reported through a configured CSI report and reported through CSI Part 1 and CSI Part 2, where CSI Part 1 includes RI, or includes RI and SD basis indication information. CSI Part 2 includes the FD basis and DD basis indication information corresponding to each layer when rank = v = 4.

[0443] UE or gNB uses the Rel-18 Type II codebook structure When calculating precoding, it is also necessary to ensure the combination coefficient and SD / FD basis, i.e. W1 / W f The first CSI (CSI report 2) and the second CSI (CSI report 1) configured by the network device 102 are both associated with the same CSI-RS resource for channel measurement (corresponding to the two different CSI reporting association methods in method 1 in the above solution). With this report Before and with the report The most recent SD / FD basis report is associated (corresponding to the two different CSI report association methods in the above scheme 2), that is, the one reported on the terminal side W1 and W are determined by the above defined relationship. f 、W d On the network side, the gNB determines the received combination coefficient and other related indication information based on the SD basis, FD basis and other related indication information. W1, W f and W d , and is used to calculate the precoding of downlink data.

[0444] Example 3 (CSI Feedback Based on Rel-18 Type II Codebook in CJT Scenario)

[0445] Currently, CSI feedback based on the Rel-18 Type II codebook in CJT scenarios includes CSI Part 1 and CSI Part 2. CSI reporting is carried out via a semi-persistent or aperiodic manner on the PUSCH. The possible contents of CSI Part 1 and CSI Part 2 are shown in Table 9.

[0446] Table 9: Contents of two CSI parts reported based on Rel-18 Type II codebook in CJT scenario in related technologies

[0447] Assume that the gNB configures CSI Report 1 and CSI Report 2 for the UE. The CQI, non-zero coefficient number indication, SCI, and non-zero coefficient indication are reported on the PUSCH in aperiodic CSI Report 1. These indications are reported in two parts, as shown in Table 9 above. The RI, CSI-RS resource selection indicator, SD-based combination indication for the selected CSI-RS resource, SD-based, phase offset, and FD-based indication corresponding to N ≥ 1 TRPs or CSI-RS resources are reported on the PUSCH in aperiodic CSI Report 2. The SD-based, phase offset, and FD-based indications are reported independently in a single CSI part. Assume that the RI, SD-based, phase offset, and FD-based indications are reported in both CSI Part 1 and CSI Part 2. CSI Part 1 includes the RI, CSI-RS resource selection indication information, and the SD basis combination indication information selected by the UE (SD basis). CSI Part 2 includes the SD basis indication information corresponding to the selected CSI-RS resource and the FD basis indication information corresponding to the Rank = v (v is determined by the RI indication) transmission layers. Phase offset indication information can be placed in either CSI Part 1 or CSI Part 2.

[0448] UE or gNB uses the Rel-18 Type II codebook structure When calculating precoding, it is also necessary to ensure the combination coefficient and SD / FD basis, i.e. W1 / W f Match or associate (the following gives a combination of two CSI reporting association methods, namely the combination of method 4 and method 2). The CSI report 1 and CSI report 2 configured by the gNB are both associated with the same PUSCH resource (corresponding to the two different CSI reporting association methods in method 4 in the above scheme). With this report Before and with the report The most recent SD / FD basis report is associated (corresponding to the two different CSI report association methods in the above scheme 2), that is, the one reported on the terminal side W is determined by the association relationship defined above 1,i 、W f 、W dOn the network side, the gNB determines the received combination coefficient and other related indication information based on the SD basis, FD basis and other related indication information. W 1,i 、W f and W d , and is used to calculate the precoding of downlink data.

[0449] Example 4 (CSI Feedback Based on Rel-17 Type II Port Selection Codebook)

[0450] Currently, CSI feedback based on the Rel-17 Type II codebook includes two parts: CSI Part 1 and CSI Part 2. CSI reporting is carried out in a semi-persistent or aperiodic manner on the PUSCH. The possible contents of CSI Part 1 and CSI Part 2 are shown in Table 10.

[0451] Table 10: Contents reported in two CSI parts of the Rel-17 Type II port selection codebook in related art

[0452] Assume that the gNB configures CSI Report 1 and CSI Report 2 for the UE. Indication information such as RI, CQI, non-zero coefficient number indication, SCI, and non-zero coefficients is reported via the PUSCH in aperiodic CSI Report 1. These indications are reported in two parts, as shown in Table 10 above. The port selection indication and FD basis indication are reported via the Long PUCCH in periodic or semi-persistent CSI Report 2. The port selection and FD basis indications are reported independently in a single CSI part. Assuming that RI, the port selection indication, and the FD basis indication are reported in a single CSI report, they can also be reported in a single CSI part because the port selection indication is independent of the FD basis indication and rank values.

[0453] UE or gNB uses the Rel-17 Type II codebook structure When calculating precoding, it is necessary to ensure the combination coefficient And port selection / FD basis i.e. W1 / W fMatch or associate. Assuming that the port selection and FD basis indication information are reported through the first CSI that is sent periodically or semi-continuously, within one period of the first CSI, the port selection and FD basis indication information are reported first, and then the combination coefficient indication quantization information is reported. Among them, the reported combination coefficient indication quantization information is associated with the port selection and FD basis indication information reported within the period (corresponding to the two different CSI reporting association methods in method 3 in the aforementioned scheme). That is, on the terminal side, W1 and W are determined by the association relationship defined above. f On the network side, the gNB determines the received combination coefficient and other related indication information and the associated port selection, FD basis and other indication information respectively. W1 and W f , and is used to calculate the precoding of downlink data.

[0454] In some embodiments, the above-mentioned CSI reporting does not always include all indication information, and part of the indication information is not reported to the network side under certain network parameter configurations.

[0455] The embodiments of the present disclosure further provide an apparatus for implementing any of the above methods. For example, an apparatus is provided, comprising units or modules for implementing each step performed by a terminal in any of the above methods. For another example, another apparatus is provided, comprising units or modules for implementing each step performed by a network device (e.g., an access network device, a core network function node, a core network device, etc.) in any of the above methods.

[0456] It should be understood that the division of the various units or modules in the above device is merely a division of logical functions. In actual implementation, they may be fully or partially integrated into a physical entity, or they may be physically separated. In addition, the units or modules in the device may be implemented in the form of a processor calling software: for example, the device includes a processor, the processor is connected to a memory, and the memory stores instructions. The processor calls the instructions stored in the memory to implement any of the above methods or implement the functions of the various units or modules of the above device, wherein the processor is, for example, a general-purpose processor, such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the device or a memory outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuits, and the functions of some or all of the units or modules can be realized by designing the hardware circuits. The above-mentioned hardware circuits can be understood as one or more processors; for example, in one implementation, the above-mentioned hardware circuit is an application-specific integrated circuit (ASIC), which realizes the functions of some or all of the above units or modules by designing the logical relationship of the components in the circuit; for example, in another implementation, the above-mentioned hardware circuit can be realized by a programmable logic device (PLD). Taking a field programmable gate array (FPGA) as an example, it can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by configuring the configuration file, thereby realizing the functions of some or all of the above units or modules. All units or modules of the above devices can be realized in the form of software called by the processor, or in the form of hardware circuits, or in part by the form of software called by the processor, and the rest by hardware circuits.

[0457] In the embodiments of the present disclosure, the processor is a circuit with signal processing capabilities. In one implementation, the processor can be a circuit with instruction reading and execution capabilities, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP). In another implementation, the processor can implement certain functions through the logical relationship of the hardware circuit. The logical relationship of the above-mentioned hardware circuit is fixed or reconfigurable. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the process of the processor loading a configuration document and implementing the hardware circuit configuration can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), etc.

[0458] Figure 6A is a structural diagram of the terminal proposed in an embodiment of the present disclosure. As shown in Figure 6A, the terminal 6100 may include: at least one of a transceiver module 6101, a processing module 6102, etc. In some embodiments, the above-mentioned transceiver module is used to send a first CSI and a second CSI to a network device; wherein, the first CSI includes first indication information, the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal. Optionally, the above-mentioned transceiver module is used to perform at least one of the communication steps such as sending and / or receiving (for example, step 2101, step 2102, but not limited to this) performed by the terminal 101 in any of the above methods, which will not be repeated here.

[0459] Figure 6B is a structural diagram of the network device proposed in an embodiment of the present disclosure. As shown in Figure 6B, the access network device 6200 may include: at least one of a transceiver module 6201, a processing module 6202, etc. In some embodiments, the above-mentioned transceiver module is used to receive the first CSI and the second CSI sent by the terminal; wherein, the first CSI includes first indication information, the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or for indicating at least one port, the second indication information is used to indicate the combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal. Optionally, the above-mentioned transceiver module is used to perform at least one of the communication steps such as sending and / or receiving performed by the network device 102 in any of the above methods (for example, step 2101, step 2102, but not limited thereto), which will not be repeated here.

[0460] In some embodiments, the transceiver module may include a transmitting module and / or a receiving module, and the transmitting module and the receiving module may be separate or integrated. Optionally, the transceiver module may be interchangeable with the transceiver.

[0461] In some embodiments, the processing module can be a single module or can include multiple submodules. Optionally, the multiple submodules respectively execute all or part of the steps required to be executed by the processing module. Optionally, the processing module can be interchangeable with the processor.

[0462] Figure 7A is a schematic diagram of the structure of a communication device 7100 proposed in an embodiment of the present disclosure. Communication device 7100 can be a network device (e.g., an access network device, a core network device, etc.), a terminal (e.g., a user equipment, etc.), a chip, a chip system, or a processor that supports a network device to implement any of the above methods, or a chip, a chip system, or a processor that supports a terminal to implement any of the above methods. Communication device 7100 can be used to implement the methods described in the above method embodiments. For details, please refer to the description of the above method embodiments.

[0463] As shown in Figure 7A, the communication device 7100 includes one or more processors 7101. The processor 7101 can be a general-purpose processor or a dedicated processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process the communication protocol and communication data, and the central processing unit can be used to control the communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process program data. Optionally, the communication device 7100 is used to perform any of the above methods. Optionally, one or more processors 7101 are used to call instructions to enable the communication device 7100 to perform any of the above methods.

[0464] In some embodiments, the communication device 7100 further includes one or more transceivers 7102. When the communication device 7100 includes one or more transceivers 7102, the transceiver 7102 performs at least one of the communication steps such as sending and / or receiving in the above method (for example, step 2101 and step 2102, but not limited thereto), and the processor 7101 performs at least one of the other steps. In an optional embodiment, the transceiver may include a receiver and / or a transmitter, and the receiver and transmitter may be separate or integrated. Optionally, the terms transceiver, transceiver unit, transceiver, transceiver circuit, interface circuit, and interface may be interchangeable, the terms transmitter, transmitting unit, transmitter, and transmitting circuit may be interchangeable, and the terms receiver, receiving unit, receiver, and receiving circuit may be interchangeable.

[0465] In some embodiments, the communication device 7100 further includes one or more memories 7103 for storing data. Alternatively, all or part of the memories 7103 may be located outside the communication device 7100. In alternative embodiments, the communication device 7100 may include one or more interface circuits 7104. Optionally, the interface circuits 7104 are connected to the memory 7102 and may be configured to receive data from the memory 7102 or other devices, or to send data to the memory 7102 or other devices. For example, the interface circuits 7104 may read data stored in the memory 7102 and send the data to the processor 7101.

[0466] The communication device 7100 described in the above embodiment may be a network device or a terminal, but the scope of the communication device 7100 described in the present disclosure is not limited thereto, and the structure of the communication device 7100 may not be limited by FIG. 7A. The communication device may be an independent device or may be part of a larger device. For example, the communication device may be: 1) an independent integrated circuit IC, or a chip, or a chip system or subsystem; (2) a collection of one or more ICs, optionally, the above IC collection may also include a storage component for storing data or programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, a terminal device, an intelligent terminal device, a cellular phone, a wireless device, a handheld device, a mobile unit, an in-vehicle device, a network device, a cloud device, an artificial intelligence device, etc.; (6) others, etc.

[0467] 7B is a schematic diagram of the structure of a chip 7200 proposed in an embodiment of the present disclosure. If the communication device 7100 can be a chip or a chip system, please refer to the schematic diagram of the structure of the chip 7200 shown in FIG7B , but the present disclosure is not limited thereto.

[0468] The chip 7200 includes one or more processors 7201. The chip 7200 is configured to execute any of the above methods.

[0469] In some embodiments, chip 7200 further includes one or more interface circuits 7202. Alternatively, terms such as interface circuit, interface, and transceiver pins may be used interchangeably. In some embodiments, chip 7200 further includes one or more memories 7203 for storing data. Alternatively, all or part of memory 7203 may be located external to chip 7200. Optionally, interface circuit 7202 is connected to memory 7203 and may be used to receive data from memory 7203 or other devices, or may be used to send data to memory 7203 or other devices. For example, interface circuit 7202 may read data stored in memory 7203 and send the data to processor 7201.

[0470] In some embodiments, the interface circuit 7202 performs at least one of the communication steps (e.g., steps 2101 and 2102, but not limited thereto) of transmitting and / or receiving in the above method. For example, the interface circuit 7202 performing the communication steps (e.g., transmitting and / or receiving) in the above method means that the interface circuit 7202 performs data exchange between the processor 7201, the chip 7200, the memory 7203, or the transceiver device. In some embodiments, the processor 7201 performs at least one of the other steps.

[0471] The modules and / or devices described in various embodiments, such as virtual devices, physical devices, and chips, can be arbitrarily combined or separated according to circumstances. Optionally, some or all steps can also be performed collaboratively by multiple modules and / or devices, which is not limited here.

[0472] The present disclosure also proposes a storage medium having instructions stored thereon. When the instructions are executed on the communication device 7100, the communication device 7100 executes any of the above methods. Optionally, the storage medium is an electronic storage medium. Optionally, the storage medium is a computer-readable storage medium, but is not limited thereto and may also be a storage medium readable by other devices. Optionally, the storage medium may be a non-transitory storage medium, but is not limited thereto and may also be a temporary storage medium.

[0473] The present disclosure also provides a program product, which, when executed by the communication device 7100, enables the communication device 7100 to perform any of the above methods. Optionally, the program product is a computer program product.

[0474] The present disclosure also proposes a computer program, which, when executed on a computer, causes the computer to perform any one of the above methods.

[0475] In the above embodiments, all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof. When implemented using software, all or part of the embodiments can be implemented in the form of a computer program product. The computer program product includes one or more computer programs. When the computer program is loaded and executed on a computer, all or part of the processes or functions described in the embodiments of the present disclosure are generated. The computer can be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer program can be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer program can be transmitted from one website, computer, server or data center to another website, computer, server or data center via a wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) method. 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 or data center that includes one or more available media integrated therein. The available medium may be a magnetic medium (eg, a floppy disk, a hard disk, a magnetic tape), an optical medium (eg, a high-density digital video disc (DVD)), or a semiconductor medium (eg, a solid state disk (SSD)).

[0476] Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professionals and technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this disclosure.

[0477] Those skilled in the art will clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0478] The above description is merely a specific embodiment of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. An information processing method, characterized in that: The method is executed by a terminal, and includes: Sending first channel state information CSI and second CSI to the network device; The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

2. The method according to claim 1, characterized in that There is at least one of the following differences between the first CSI and the second CSI: The first CSI and the second CSI are located in different resources; The time domain behaviors corresponding to the first CSI and the second CSI are different; The configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

3. The method according to claim 1 or 2, characterized in that: The first CSI and the second CSI have any one or more of the following association relationships: The first CSI and the second CSI correspond to the same channel measurement reference signal; The first CSI associated with the second CSI is a first CSI that is located before the second CSI in time domain and has a closest time domain interval to the second CSI; The first CSI is periodic or semi-persistent in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI is located; The first CSI and the second CSI correspond to the same channel type.

4. The method according to any one of claims 1 to 3, characterized in that: The first CSI is sent on a wideband of a physical uplink control channel PUCCH, and a time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission; or, The first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or non-periodic transmission.

5. The method according to claim 4, characterized in that The PUCCH is a long PUCCH or a short PUCCH.

6. The method according to any one of claims 1 to 5, characterized in that: The first CSI includes a CSI part; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one of a space domain SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one frequency domain FD basis vector and at least one Doppler domain DD basis vector; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one FD basis vector and at least one DD basis vector; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

7. The method according to any one of claims 1 to 6, characterized in that: The second CSI is sent on a wideband of the PUSCH, and a time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission; or, The second CSI is sent on a wideband of the long PUCCH, and a time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

8. The method according to any one of claims 1 to 7, characterized in that: The second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and amplitude and phase quantization information of the non-zero combination coefficients.

9. The method according to any one of claims 1 to 8, characterized in that: The second CSI also includes a channel quality indication CQI.

10. The method according to claim 9, characterized in that The number of the CQI is one, and the CQI is included in the first CSI part of the second CSI.

11. The method according to claim 9, characterized in that The number of the CQIs is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

12. The method according to any one of claims 1 to 11, characterized in that: The first CSI further includes a rank indication RI; or, The second CSI also includes the RI.

13. The method according to claim 12, characterized in that The first CSI includes the RI, and the first CSI includes a CSI part; or The first CSI includes the RI, and the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first CSI part of the first CSI includes the RI.

14. The method according to any one of claims 1 to 13, characterized in that: The time domain behavior corresponding to the first CSI and the second CSI is semi-continuous transmission or aperiodic transmission, and the method further includes: Receive one or more first signalings sent by the network device, where the first signaling is used to trigger the terminal to send the first CSI and the second CSI.

15. The method according to any one of claims 1 to 14, characterized in that: The method further comprises: receiving first information sent by the network device, where the first information is used to configure a codebook of the terminal, and the first information includes at least one of the following information: the number of the at least one basis vector; The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer; The maximum number of non-zero coefficients in the corresponding combined coefficients of all transmission layers; The number of CQIs.

16. An information processing method, characterized in that: The method is performed by a network device, and the method includes: Receiving first channel state information CSI and second CSI sent by a terminal; The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

17. The method according to claim 16, characterized in that There is at least one of the following differences between the first CSI and the second CSI: The first CSI and the second CSI are located in different resources; The time domain behaviors corresponding to the first CSI and the second CSI are different; The configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

18. The method according to claim 16 or 17, characterized in that The first CSI and the second CSI have any one or more of the following association relationships: The first CSI and the second CSI correspond to the same channel measurement reference signal; The first CSI associated with the second CSI is a first CSI that is located before the second CSI in time domain and has a closest time domain interval to the second CSI; The first CSI is periodic or semi-persistent in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI is located; The first CSI and the second CSI correspond to the same channel type.

19. The method according to any one of claims 16 to 18, characterized in that: The first CSI is sent on a wideband of a physical uplink control channel PUCCH, and a time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission; or, The first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or non-periodic transmission.

20. The method according to claim 19, characterized in that The PUCCH is a long PUCCH or a short PUCCH.

21. The method according to any one of claims 16 to 20, characterized in that: The first CSI includes a CSI part; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one of a space domain SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one frequency domain FD basis vector and at least one Doppler domain DD basis vector; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one FD basis vector and at least one DD basis vector; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

22. The method according to any one of claims 16 to 21, characterized in that: The second CSI is sent on a wideband of the PUSCH, and a time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission; or, The second CSI is sent on a wideband of the long PUCCH, and a time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

23. The method according to any one of claims 16 to 22, characterized in that: The second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and amplitude and phase quantization information of the non-zero combination coefficients.

24. The method according to any one of claims 16 to 23, characterized in that: The second CSI also includes a channel quality indication CQI.

25. The method according to claim 24, characterized in that The number of the CQI is one, and the CQI is included in the first CSI part of the second CSI.

26. The method according to claim 24, characterized in that The number of the CQIs is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

27. The method according to any one of claims 16 to 26, characterized in that: The first CSI further includes a rank indication RI; or, The second CSI also includes the RI.

28. The method according to claim 27, characterized in that The first CSI includes the RI, and the first CSI includes a CSI part; or The first CSI includes the RI, and the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first CSI part of the first CSI includes the RI.

29. The method according to any one of claims 16 to 28, characterized in that: The time domain behavior corresponding to the first CSI and the second CSI is semi-continuous transmission or aperiodic transmission, and the method further includes: One or more first signalings are sent to the terminal, where the first signalings are used to trigger the terminal to send the first CSI and the second CSI.

30. The method according to any one of claims 16 to 29, characterized in that: The method further comprises: Sending first information to the terminal, where the first information is used to configure a codebook of the terminal, and the first information includes at least one of the following information: the number of the at least one basis vector; The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer; The maximum number of non-zero coefficients in the corresponding combined coefficients of all transmission layers; The number of CQIs.

31. An information processing method, characterized in that: The method comprises: The terminal sends first channel state information CSI and second CSI to the network device; The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

32. The method according to claim 31, characterized in that There is at least one of the following differences between the first CSI and the second CSI: The first CSI and the second CSI are located in different resources; The time domain behaviors corresponding to the first CSI and the second CSI are different; The configuration information corresponding to the first CSI and the second CSI is different, and the configuration information is used to configure the corresponding CSI.

33. The method according to claim 31 or 32, characterized in that The first CSI and the second CSI have any one or more of the following association relationships: The first CSI and the second CSI correspond to the same channel measurement reference signal; The first CSI associated with the second CSI is a first CSI that is located before the second CSI in time domain and has a closest time domain interval to the second CSI; The first CSI is periodic or semi-persistent in the time domain, and the second CSI is associated with the first CSI corresponding to the period in which the time domain position of the second CSI is located; The first CSI and the second CSI correspond to the same channel type.

34. The method according to any one of claims 31 to 33, characterized in that: The first CSI is sent on a wideband of a physical uplink control channel PUCCH, and a time domain behavior corresponding to the first CSI is periodic transmission or semi-continuous transmission; or, The first CSI is sent on a wideband of a physical uplink shared channel PUSCH, and a time domain behavior corresponding to the first CSI is semi-continuous transmission or non-periodic transmission.

35. The method according to claim 34, characterized in that The PUCCH is a long PUCCH or a short PUCCH.

36. The method according to any one of claims 31 to 35, characterized in that The first CSI includes a CSI part; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one of a space domain SD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one frequency domain FD basis vector and at least one Doppler domain DD basis vector; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one of at least one FD basis vector and at least one DD basis vector; or, The first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first indication information included in the first CSI part of the first CSI is used to indicate at least one port and at least one FD basis vector, and the first indication information included in the second CSI part of the first CSI is used to indicate at least one DD basis vector.

37. The method according to any one of claims 31 to 36, characterized in that The second CSI is sent on a wideband of the PUSCH, and a time domain behavior corresponding to the second CSI is semi-continuous transmission or aperiodic transmission; or, The second CSI is sent on a wideband of the long PUCCH, and a time domain behavior corresponding to the second CSI is periodic transmission or semi-continuous transmission.

38. The method according to any one of claims 31 to 37, characterized in that The second CSI includes a first CSI part of the second CSI and a second CSI part of the second CSI, wherein the second indication information included in the first CSI part of the second CSI is used to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to each transmission layer, or to indicate the number of non-zero combination coefficients in the combination coefficients corresponding to all transmission layers, and the second indication information included in the second CSI part of the second CSI is used to indicate the position of the non-zero combination coefficients in the combination coefficients, and amplitude and phase quantization information of the non-zero combination coefficients.

39. The method according to any one of claims 31 to 38, characterized in that The second CSI also includes a channel quality indication CQI.

40. The method according to claim 39, characterized in that The number of the CQI is one, and the CQI is included in the first CSI part of the second CSI.

41. The method according to claim 40, characterized in that The number of the CQIs is two, the first CSI part of the second CSI includes one of the CQIs, and the second CSI part of the second CSI includes the other CQI.

42. The method according to any one of claims 31 to 41, characterized in that The first CSI further includes a rank indication RI; or, The second CSI also includes the RI.

43. The method according to claim 42, characterized in that The first CSI includes the RI, and the first CSI includes a CSI part; or The first CSI includes the RI, and the first CSI includes a first CSI part of the first CSI and a second CSI part of the first CSI, wherein the first CSI part of the first CSI includes the RI.

44. The method according to any one of claims 31 to 43, characterized in that The time domain behavior corresponding to the first CSI and the second CSI is semi-continuous transmission or aperiodic transmission, and the method further includes: The network device sends one or more first signalings to the terminal, where the first signalings are used to trigger the terminal to send the first CSI and the second CSI.

45. The method according to any one of claims 31 to 44, characterized in that The method further comprises: The network device sends first information to the terminal, where the first information is used to configure a codebook of the terminal, and the first information includes at least one of the following information: the number of the at least one basis vector; The maximum number of non-zero coefficients in the combined coefficients corresponding to each transmission layer; The maximum number of non-zero coefficients in the corresponding combined coefficients of all transmission layers; The number of CQIs.

46. ​​A terminal, characterized in that: The terminal comprises: A transceiver module, sending first channel state information CSI and second CSI to a network device; The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

47. A network device, characterized in that: The network equipment includes: A transceiver module, receiving first channel state information CSI and second CSI sent by a terminal; The first CSI includes first indication information, and the second CSI includes second indication information, the first indication information is used to indicate at least one basis vector and / or to indicate at least one port, and the second indication information is used to indicate a combination coefficient corresponding to the at least one basis vector, and the at least one basis vector and the combination coefficient are used to determine the precoding of the terminal.

48. A communication device, characterized in that: The communication device comprises: one or more processors; The communication device is used to execute the information processing method described in any one of claims 1 to 15, or to execute the information processing method described in any one of claims 16 to 30.

49. A communication system, characterized in that: It comprises a terminal and a network device, wherein the terminal is configured to implement the information processing method according to any one of claims 1 to 15, and the network device is configured to implement the information processing method according to any one of claims 16 to 30.

50. A storage medium storing instructions, characterized in that: When the instruction is executed on the communication device, the communication device executes the information processing method according to any one of claims 1-15 or 16-30.

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