Communication method, communication device, communication system and storage medium

Abstract

The invention provides a communication method, communication equipment, a communication system and a storage medium, and the method comprises the steps: carrying out the CSI measurement of a first cell based on a first reference signal resource of the first cell, and enabling the first cell to be not a service cell of a terminal; and sending the CSI report of the first cell to the network equipment. In the embodiments of the present disclosure, CSI measurement can be performed on the first cell based on the first reference signal resource before handover, so that the CSI report of the first cell can be obtained in time, and when the first cell becomes a new serving cell of the terminal, a network device can schedule the terminal in time according to the CSI report of the first cell.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of communication, and particularly relates to a communication method, a communication device, a communication system and a storage medium. BACKGROUND

[0002] In New Radio (NR), especially when the communication frequency band is in frequency range 2 (above 6 GHz), due to fast high-frequency channel attenuation, in order to ensure coverage range and communication quality, a base station configures multiple candidate cells for a terminal, and performs measurement on the multiple candidate cells, and further implements fast cell switching of the terminal based on the measurement result. SUMMARY

[0003] The present disclosure provides a communication method, a communication device, a communication system and a storage medium.

[0004] According to a first aspect of an embodiment of the present disclosure, a communication method is provided, executed by a terminal, comprising:

[0005] performing channel state information (CSI) measurement on a first cell based on a first reference signal resource of the first cell, the first cell being not a serving cell of the terminal;

[0006] sending a CSI report of the first cell to a network device.

[0007] According to a second aspect of an embodiment of the present disclosure, a communication method is provided, executed by a network device, comprising:

[0008] sending at least one of first information and second information to a terminal, the at least one of the first information and the second information being used to determine a first reference signal resource of a first cell, the first reference signal resource being used for CSI measurement on the first cell, the first cell being not a serving cell of the terminal;

[0009] receiving a CSI report of the first cell sent by the terminal.

[0010] According to a third aspect of an embodiment of the present disclosure, a communication method is provided, used in a communication system comprising a terminal and a network device, comprising:

[0011] the network device sends first information or second information to the terminal;

[0012] the terminal receives at least one of the first information and the second information, and determines a first reference signal resource of a first cell according to the at least one of the first information and the second information;

[0013] The terminal performs CSI measurement on the first cell according to the first reference signal resource;

[0014] The terminal sends a CSI report of the first cell to the network device;

[0015] The network device receives the CSI report of the first cell.

[0016] According to a fourth aspect of embodiments of the present disclosure, a terminal is provided, comprising:

[0017] A processing module is configured to perform CSI measurement on a first cell based on a first reference signal resource of the first cell, the first cell being a non-serving cell of the terminal.

[0018] A transceiver is configured to send a CSI report of the first cell to a network device.

[0019] According to a fifth aspect of embodiments of the present disclosure, a network device is provided, comprising:

[0020] A transceiver is configured to send at least one of first information and second information to a terminal, the at least one of the first information and the second information being used to determine a first reference signal resource of a first cell, the first reference signal resource being used to perform CSI measurement on the first cell, the first cell being a non-serving cell of the terminal, and receive a CSI report of the first cell sent by the terminal.

[0021] According to a sixth aspect of embodiments of the present disclosure, a terminal is provided, comprising one or more processors; wherein the terminal is configured to perform the communication method according to the first aspect.

[0022] According to a seventh aspect of embodiments of the present disclosure, a network device is provided, comprising one or more processors; wherein the network device is configured to perform the communication method according to the second aspect.

[0023] According to an eighth aspect of embodiments of the present disclosure, a communication system is provided, comprising a terminal and a network device, wherein the terminal is configured to implement the communication method according to the first aspect, and the network device is configured to implement the communication method according to the second aspect.

[0024] According to a ninth aspect of embodiments of the present disclosure, a storage medium is provided, the storage medium storing instructions, when the instructions run on a communication device, causing the communication device to perform the communication method according to any one of the first aspect to the second aspect.

[0025] According to a tenth aspect of the embodiments of the present disclosure, a program product is provided, comprising a computer program, the computer program being executed by a communication device to implement the communication method described in the first aspect and the second aspect.

[0026] According to an eleventh aspect of the embodiments of the present disclosure, a computer program is provided, which, when executed on a computer, causes the computer to perform the communication method described in the first aspect and the second aspect.

[0027] It can be understood that the terminal, the network device, the communication device, the communication system, the storage medium, the program product, and the computer program are all used to execute the method provided by the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved are referred to the beneficial effects in the corresponding method, which will not be described here. BRIEF DESCRIPTION OF DRAWINGS

[0028] The above and / or additional aspects and advantages of the present disclosure will become apparent and be readily appreciated from the following description, including the following figures, wherein:

[0029] Figure 1 The architecture schematic diagram of some communication systems provided by the embodiments of the present disclosure;

[0030] Figure 2A The flowchart of the communication method according to the embodiments of the present disclosure is shown;

[0031] Figure 2B The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0032] Figure 2C The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0033] Figure 3A The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0034] Figure 3B The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0035] Figure 3C The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0036] Figure 3D The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0037] Figure 3E The flowchart of another communication method according to the embodiments of the present disclosure is shown;

[0038] Figure 4Ais a flow chart of another communication method according to an embodiment of the present disclosure;

[0039] Figure 4B is a flow chart of another communication method according to an embodiment of the present disclosure;

[0040] Figure 4C is a flow chart of another communication method according to an embodiment of the present disclosure;

[0041] Figure 5 is a flow chart of another communication method according to an embodiment of the present disclosure;

[0042] Figure 6A A schematic diagram of the structure of a terminal provided by an embodiment of the present disclosure;

[0043] Figure 6B A schematic diagram of the structure of a network device provided by one embodiment of the present disclosure;

[0044] Figure 7A This is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure;

[0045] Figure 7B A schematic structural diagram of a chip provided in accordance with an embodiment of the present disclosure. DETAILED DESCRIPTION

[0046] The embodiments of the present disclosure provide a communication method, a communication device, a communication system, and a storage medium.

[0047] In a first aspect, an embodiment of the present disclosure provides a communication method, which is executed by a terminal. The method includes:

[0048] Based on a first reference signal resource of a first cell, CSI measurement is performed on the first cell, where the first cell is not a serving cell of a terminal; and a CSI report of the first cell is sent to a network device.

[0049] In the above embodiment, when the first cell is not a serving cell, CSI measurement of the first cell can be performed based on the first reference signal resource of the first cell, that is, CSI measurement of the first cell can be performed based on the first reference signal resource before switching, so that the CSI report of the first cell can be obtained in time. When the first cell becomes the new serving cell of the terminal, the network device can schedule the terminal in time according to the CSI report of the first cell, thereby improving the efficiency and speed of data transmission and increasing the decoding success rate.

[0050] In conjunction with some embodiments of the first aspect, in some embodiments, the method further includes:

[0051] receive at least one of first information and second information sent by the network device;

[0052] determine the first reference signal resource based on at least one of the first information and the second information.

[0053] In the above embodiment, in the case that the first cell is not a serving cell, the first reference signal resource can be determined based on at least one of the first information and the second information before handover, and thus the CSI measurement of the first cell can be implemented.

[0054] In combination with some embodiments of the first aspect, in some embodiments, the first information is one of the following information:

[0055] report configuration information of CSI;

[0056] report configuration information of L1 / L2 triggered mobility LTM-CSI.

[0057] In combination with some embodiments of the first aspect, in some embodiments, the first reference signal resource is one of the following reference signal resources:

[0058] the first reference signal resource is a reference signal resource corresponding to the first cell;

[0059] the first reference signal resource is a reference signal resource having a quasi co-location QCL relationship with a reference signal resource of the first cell.

[0060] In combination with some embodiments of the first aspect, in some embodiments, the CSI report of the first cell includes at least one of the following information:

[0061] precoding matrix indicator PMI;

[0062] rank indicator RI;

[0063] channel quality indicator CQI;

[0064] layer indicator LI;

[0065] channel state information reference signal resource indicator CRI.

[0066] In combination with some embodiments of the first aspect, in some embodiments, the second information is used to indicate a CSI measurement configuration corresponding to at least one second cell; and the first cell is determined from the second cell based on the second information.

[0067] In combination with some embodiments of the first aspect, in some embodiments, the method further includes:

[0068] The second information is downlink control information (DCI), and the DCI includes a first code point.

[0069] From a first mapping relationship between the code point and a trigger state, a first trigger state having a mapping relationship with the first code point is determined.

[0070] From a second mapping relationship between the trigger state and a CSI measurement configuration, a first CSI measurement configuration having a mapping relationship with the first trigger state is determined as the CSI measurement configuration corresponding to the at least one second cell.

[0071] In some embodiments of the first aspect, the method further includes:

[0072] The second information is a medium access control control element (MAC CE), and the MAC CE includes a first indication field.

[0073] One or more bits in the first indication field correspond to a CSI report configuration ID, a first CSI report configuration ID corresponding to bits having a first value is determined, and a first CSI measurement configuration corresponding to the first CSI report configuration ID is determined as the CSI measurement configuration corresponding to the at least one second cell.

[0074] The second information indicates a CSI measurement configuration corresponding to one second cell, and the second cell is determined to be the first cell.

[0075] In some embodiments of the first aspect, the method further includes:

[0076] The second information indicates CSI measurement configurations corresponding to a plurality of second cells, and the plurality of second cells are all determined to be the first cell, or part of the plurality of second cells are determined to be the first cell.

[0077] In some embodiments of the first aspect, the method further includes:

[0078] Beam qualities of the plurality of second cells are determined, and N second cells having the best beam qualities are determined as the part of the second cells, where N is a natural number greater than or equal to 1.

[0079] In some embodiments of the first aspect, the method further includes:

[0080] The second cell corresponds to a plurality of beam qualities, and an optimal beam quality is determined from the plurality of beam qualities as the beam quality of the second cell.

[0081] In some embodiments of the first aspect, the method further includes:

[0082] determining a second cell with a beam quality greater than a first set threshold value in the plurality of second cells as the part of second cells.

[0083] In some embodiments of the first aspect, the method further comprises:

[0084] determining a beam quality of a serving cell of the terminal;

[0085] determining a second cell with a beam quality greater than a sum of the beam quality of the serving cell and an offset in the plurality of second cells as the part of second cells.

[0086] In some embodiments of the first aspect, the method further comprises:

[0087] sending an identification of the part of second cells to the network device.

[0088] In the above embodiments, the terminal can select a cell with good beam quality from a plurality of second cells configured by the network device as the first cell, so as to ensure that the terminal switches to the first cell with good quality, improve the efficiency and speed of data transmission, and improve the decoding success rate.

[0089] In some embodiments of the first aspect, the method further comprises:

[0090] sending a CSI report of the first cell to a network device corresponding to the serving cell; or,

[0091] sending the CSI report of the first cell to a network device corresponding to the first cell;

[0092] wherein the serving cell is a cell sending at least one of the first information and the second information.

[0093] In some embodiments of the first aspect, the method further comprises:

[0094] sending the CSI report of the first cell in a first PUSCH in a process in which the terminal connects to the first cell.

[0095] In some embodiments of the first aspect, the first PUSCH is one of the following PUSCHs:

[0096] a PUSCH including a message 3 in a 4-step random access process;

[0097] a PUSCH including a message A in a 2-step random access process.

[0098] In the above embodiment, the CSI report of the first cell is sent through the first PUSCH, so that the network device can quickly obtain the CSI report of the first cell, and then the terminal can be scheduled in time, and fast switching of the terminal is realized.

[0099] In some embodiments of the first aspect, in some embodiments, the first cell is one of a candidate cell, a neighbor cell or a target cell of the terminal.

[0100] In a second aspect, the embodiments of the present disclosure provide a communication method, executed by a network device, and the method comprises:

[0101] sending, to the terminal, at least one of first information and second information, the at least one of the first information and the second information being used to determine a first reference signal resource of the first cell, the first reference signal resource being used for CSI measurement on the first cell, and the first cell not being a serving cell of the terminal;

[0102] receiving a CSI report of the first cell sent by the terminal.

[0103] In the above embodiment, the network device can indicate the first reference signal resource of the first cell to the terminal, and in the case that the first cell is not a serving cell, the CSI measurement on the first cell can be performed based on the first reference signal resource before switching, so that the network device can obtain the CSI report of the first cell in time, and when the terminal is switched to the first cell to become a new serving cell of the terminal, the network device can schedule the terminal in time according to the CSI report of the first cell, the efficiency and speed of data transmission are improved, and the decoding success rate is improved.

[0104] In some embodiments of the second aspect, in some embodiments, the first reference signal resource is one of the following reference signal resources:

[0105] The first reference signal resource is a reference signal resource corresponding to the first cell;

[0106] The first reference signal resource is a reference signal resource having a quasi co-location (QCL) relationship with a reference signal resource of the first cell.

[0107] In some embodiments of the second aspect, in some embodiments, the first information is one of the following information:

[0108] report configuration information of the CSI;

[0109] report configuration information of L1 / L2 triggered mobility (LTM)-CSI.

[0110] In some embodiments of the second aspect, in some embodiments, the CSI comprises at least one of the following information:

[0111] a precoding matrix indicator (PMI);

[0112] a rank indicator (RI);

[0113] a channel quality indicator (CQI);

[0114] a layer indicator (LI);

[0115] a channel state information reference signal resource indicator (CRI).

[0116] In some embodiments of the second aspect, in some embodiments, the method further comprises:

[0117] sending, to the terminal, second information, wherein the second information is used to indicate CSI measurement configuration corresponding to at least one second cell, and the first cell is a cell in the second cell.

[0118] In some embodiments of the second aspect, in some embodiments, the method further comprises:

[0119] the second information is DCI, and the DCI is sent to the terminal, wherein the DCI comprises a first code point, the first code point is used to determine a first trigger state from a first mapping relationship between the code point and the trigger state, and the first trigger state is used to determine the CSI measurement configuration of the second cell.

[0120] In some embodiments of the second aspect, in some embodiments, the second information is a medium access control control element (MAC CE), and the MAC CE is sent to the terminal, wherein the MAC CE comprises a first indication field;

[0121] one or more bits in the first indication field correspond to a CSI report configuration ID, and a bit with a first value in the bits is used to determine a first CSI measurement configuration corresponding to a corresponding first CSI report configuration ID, and the first CSI measurement configuration is used to determine the CSI measurement configuration corresponding to the at least one second cell.

[0122] In some embodiments of the second aspect, in some embodiments, the second information indicates the CSI measurement configuration corresponding to one second cell, and the second cell is the first cell.

[0123] In some embodiments of the second aspect, in some embodiments, the second information indicates the CSI measurement configuration corresponding to a plurality of second cells, and the plurality of second cells are all the first cell; or, part of the plurality of second cells are the first cell.

[0124] In some embodiments of the second aspect, in some embodiments, the partial cell is N second cells with the best beam quality among the plurality of second cells, where N is a natural number greater than or equal to 1.

[0125] In some embodiments of the second aspect, in some embodiments, the second cell corresponds to a plurality of beam qualities, and the optimal beam quality is the beam quality of the second cell.

[0126] In some embodiments of the second aspect, in some embodiments, a second cell with a beam quality greater than a first set threshold value among the plurality of second cells is the partial second cell.

[0127] In some embodiments of the second aspect, in some embodiments, a second cell with a beam quality greater than a sum of a beam quality of the serving cell and an offset among the plurality of second cells is the partial second cell.

[0128] In some embodiments of the second aspect, in some embodiments, the method further comprises:

[0129] receiving an identification of the partial second cell sent by the terminal.

[0130] In some embodiments of the second aspect, in some embodiments, the network device comprises at least one of a network device corresponding to a serving cell of the terminal and a network device corresponding to the first cell, wherein the serving cell is a cell sending at least one of the first information and the second information.

[0131] In some embodiments of the second aspect, in some embodiments, the method further comprises:

[0132] receiving a CSI report of the first cell on a first PUSCH in a process in which the terminal connects to the first cell.

[0133] In some embodiments of the second aspect, in some embodiments, the first PUSCH is one of the following PUSCHs:

[0134] a PUSCH including a message 3 in a 4-step random access process;

[0135] a PUSCH including a message A in a 2-step random access process.

[0136] In some embodiments of the second aspect, in some embodiments, the first cell is one of a candidate cell, a neighbor cell, or a target cell of the terminal.

[0137] In a third aspect, the embodiments of the present disclosure provide a communication method for a communication system, the communication system comprising a terminal and a network device, the method comprising:

[0138] The network device sends at least one of the first information and the second information to the terminal;

[0139] The terminal receives at least one of the first information and the second information, and determines a first reference signal resource of a first cell according to at least one of the first information and the second information, the first cell being not a serving cell of the terminal;

[0140] The terminal performs CSI measurement on the first cell according to the first reference signal resource;

[0141] The terminal sends a CSI report of the first cell to the network device;

[0142] The network device receives the CSI report of the first cell.

[0143] In a fourth aspect, the embodiments of the present disclosure provide a terminal, comprising:

[0144] A processing module configured to perform CSI measurement on a first cell based on a first reference signal resource of the first cell, the first cell being not a serving cell of the terminal;

[0145] A transceiver configured to send a CSI report of the first cell to a network device.

[0146] In combination with some embodiments of the fourth aspect, in some embodiments, the transceiver is further configured to receive at least one of the first information and the second information sent by the network device;

[0147] The processing module is further configured to determine the first reference signal resource according to at least one of the first information and the second information.

[0148] In combination with some embodiments of the fourth aspect, in some embodiments, the first information is one of the following information:

[0149] Report configuration information of CSI;

[0150] Report configuration information of L1 / L2 triggered mobility LTM-CSI.

[0151] In combination with some embodiments of the fourth aspect, in some embodiments, the first reference signal resource is one of the following reference signal resources:

[0152] The first reference signal resource is a reference signal resource corresponding to the first cell;

[0153] The first reference signal resource is a reference signal resource having a quasi co-location (QCL) relationship with a reference signal resource of the first cell.

[0154] In some embodiments in combination with the fourth aspect, in some embodiments, the CSI report of the first cell comprises at least one of the following information:

[0155] a precoding matrix indicator (PMI);

[0156] a rank indicator (RI);

[0157] a channel quality indicator (CQI);

[0158] a layer indicator (LI);

[0159] a channel state information reference signal resource indicator (CRI).

[0160] In some embodiments in combination with the fourth aspect, in some embodiments, the second information is used to indicate a CSI measurement configuration corresponding to one or more second cells.

[0161] The processing module is further configured to determine the first cell from the second cells based on the second information.

[0162] In some embodiments in combination with the fourth aspect, in some embodiments, the second information is a downlink control information (DCI), and the DCI comprises a first codepoint.

[0163] The processing module is further configured to determine, from a first mapping relationship between codepoints and trigger states, a first trigger state that has a mapping relationship with the first codepoint; and determine, from a second mapping relationship between trigger states and CSI measurement configurations, a first CSI measurement configuration that has a mapping relationship with the first trigger state as the CSI measurement configuration corresponding to the at least one second cell.

[0164] In some embodiments in combination with the fourth aspect, in some embodiments, the second information is a medium access control control element (MAC CE), and the MAC CE comprises a first indication field; one or more bits in the first indication field correspond to a CSI report configuration ID; and the processing module is further configured to determine a first CSI report configuration ID corresponding to a bit whose value is a first value, and determine a first CSI measurement configuration corresponding to the first CSI report configuration ID as the CSI measurement configuration corresponding to the at least one second cell.

[0165] In some embodiments in combination with the fourth aspect, in some embodiments, the second information indicates a CSI measurement configuration corresponding to one second cell, and the processing module is further configured to determine that the second cell is the first cell.

[0166] In some embodiments of the fourth aspect, in some embodiments, the second information indicates CSI measurement configurations corresponding to the plurality of second cells, and the processing module is further configured to determine that all of the plurality of second cells are the first cell, or determine that part of the plurality of second cells are the first cell.

[0167] In some embodiments of the fourth aspect, in some embodiments, the method further includes:

[0168] The processing module is further configured to determine beam qualities of the plurality of second cells, and determine N second cells with the best beam qualities as the part of the plurality of second cells, where N is a natural number greater than or equal to 1.

[0169] In some embodiments of the fourth aspect, in some embodiments, the second cell corresponds to a plurality of beam qualities, and the processing module is further configured to determine an optimal beam quality from the plurality of beam qualities as the beam quality of the second cell.

[0170] In some embodiments of the fourth aspect, in some embodiments, the processing module is further configured to determine, as the part of the plurality of second cells, a second cell from the plurality of second cells whose beam quality is greater than a first set threshold.

[0171] In some embodiments of the fourth aspect, in some embodiments, the processing module is further configured to determine a beam quality of a serving cell of the terminal, and determine, as the part of the plurality of second cells, a second cell from the plurality of second cells whose beam quality is greater than a sum of the beam quality of the serving cell and an offset.

[0172] In some embodiments of the fourth aspect, in some embodiments, the transceiver is further configured to send, to the network device, an identifier of the part of the plurality of second cells.

[0173] In some embodiments of the fourth aspect, in some embodiments, the transceiver is further configured to send, to a network device corresponding to a serving cell, a CSI report of the first cell, or send, to a network device corresponding to the first cell, the CSI report of the first cell.

[0174] In some embodiments of the fourth aspect, in some embodiments, the serving cell is a cell that sends at least one of the first information and the second information.

[0175] In some embodiments of the fourth aspect, in some embodiments, the transceiver is further configured to send, to a network device corresponding to a serving cell, a CSI report of the first cell, or send, to a network device corresponding to the first cell, the CSI report of the first cell.

[0176] In some embodiments of the fourth aspect, in some embodiments, the first PUSCH is one of the following PUSCHs:

[0177] a PUSCH including a message 3 in a 4-step random access procedure;

[0178] a PUSCH including a message A in a 2-step random access procedure.

[0179] In some embodiments of the fourth aspect, in some embodiments, the first cell is one of a candidate cell, a neighbor cell, or a target cell of the terminal.

[0180] In the fifth aspect, the embodiments of the present disclosure provide a network device, comprising:

[0181] a transceiver, configured to: transmit, to a terminal, at least one of first information and second information, the at least one of the first information and the second information being used to determine a first reference signal resource of a first cell, the first reference signal resource being used for CSI measurement on the first cell; the first cell not being a serving cell of the terminal; and receive a CSI report of the first cell transmitted by the terminal.

[0182] In some embodiments of the fifth aspect, in some embodiments, the first reference signal resource is one of the following reference signal resources:

[0183] the first reference signal resource is a reference signal resource corresponding to the first cell;

[0184] the first reference signal resource is a reference signal resource having a quasi co-location (QCL) relationship with a reference signal resource of the first cell.

[0185] In some embodiments of the fifth aspect, in some embodiments, the first information is one of the following information:

[0186] report configuration information of CSI;

[0187] report configuration information of L1 / L2 triggered mobility (LTM)-CSI.

[0188] In some embodiments of the fifth aspect, in some embodiments, the CSI includes at least one of the following information:

[0189] a precoding matrix indicator (PMI);

[0190] a rank indicator (RI);

[0191] a channel quality indicator (CQI);

[0192] a layer indicator (LI);

[0193] Channel state information reference signal resource identifier, CRI.

[0194] In some embodiments of the fifth aspect, in some embodiments, the transceiver is further configured to send, to the terminal, second information, wherein the second information is used to indicate CSI measurement configuration corresponding to at least one second cell, and the first cell is one of the second cells.

[0195] In some embodiments of the fifth aspect, in some embodiments, the second information is DCI, and the transceiver is further configured to send, to the terminal, the DCI, wherein the DCI includes a first codepoint, and the first codepoint is used to determine a first trigger state from a first mapping relationship between codepoints and trigger states, and the first trigger state is used to determine the CSI measurement configuration of the second cell.

[0196] In some embodiments of the fifth aspect, in some embodiments, the second information is a medium access control control element (MAC CE), and the MAC CE includes a first indication field, and one or more bits in the first indication field correspond to a CSI report configuration ID, and a bit with a first value in the bits is used to determine a first CSI measurement configuration corresponding to a corresponding first CSI report configuration ID, and the first CSI measurement configuration is used to determine the CSI measurement configuration of the at least one second cell.

[0197] In some embodiments of the fifth aspect, in some embodiments, the second information indicates the CSI measurement configuration of one second cell, and the second cell is the first cell.

[0198] In some embodiments of the fifth aspect, in some embodiments, the second information indicates the CSI measurement configuration of a plurality of second cells, and each of the plurality of second cells is the first cell, or part of the plurality of second cells is the first cell.

[0199] In some embodiments of the fifth aspect, in some embodiments, the part of the cells are N second cells with the best beam quality in the plurality of second cells, and N is a natural number greater than or equal to 1.

[0200] In some embodiments of the fifth aspect, in some embodiments, the second cell corresponds to a plurality of beam qualities, and a best beam quality in the plurality of beam qualities is the beam quality of the second cell.

[0201] In some embodiments of the fifth aspect, in some embodiments, a second cell with a beam quality greater than a first set threshold value in the plurality of second cells is the part of the second cells.

[0202] In some embodiments of the fifth aspect, in some embodiments, the second cell in the plurality of second cells whose beam quality is greater than the sum of the beam quality of the serving cell and the offset is the partial second cell.

[0203] In some embodiments of the fifth aspect, in some embodiments, the transceiver is further configured to receive the identification of the partial second cell from the terminal.

[0204] In some embodiments of the fifth aspect, in some embodiments, the network device comprises at least one of a network device corresponding to a serving cell of the terminal and a network device corresponding to the first cell, wherein the serving cell is a cell that transmits at least one of the first information and the second information.

[0205] In some embodiments of the fifth aspect, in some embodiments, the transceiver is further configured to receive the CSI report of the first cell on a first PUSCH in a process in which the terminal connects to the first cell.

[0206] In some embodiments of the fifth aspect, in some embodiments, the first PUSCH is one of the following PUSCHs:

[0207] a PUSCH comprising a message 3 in a 4-step random access procedure;

[0208] a PUSCH comprising a message A in a 2-step random access procedure.

[0209] In some embodiments of the fifth aspect, in some embodiments, the first cell is one of a candidate cell, a neighbor cell, or a target cell of the terminal.

[0210] In a sixth aspect, the embodiments of the present disclosure provide a terminal, comprising: one or more processors; wherein the terminal is configured to perform the method described in the first aspect and the optional implementation manners of the first aspect.

[0211] In a seventh aspect, the embodiments of the present disclosure provide a network device, comprising: one or more processors; wherein the network device is configured to perform the method described in the second aspect and the optional implementation manners of the second aspect.

[0212] In an eighth aspect, the embodiments of the present disclosure provide a communication system, comprising: a terminal, a network device; wherein the terminal is configured to perform the method described in the first aspect and the optional implementation manners of the first aspect, and the network device is configured to perform the method described in the second aspect and the optional implementation manners of the second aspect.

[0213] In a ninth aspect, the embodiments of the present disclosure provide a storage medium, which stores instructions. When the instructions are executed on a communication device, the communication device performs the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.

[0214] In a tenth aspect, the embodiments of the present disclosure provide a program product, which includes a computer program. When the computer program is executed by a processor, the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect is implemented.

[0215] In an eleventh aspect, the embodiments of the present disclosure provide a computer program. When the computer program is executed on a computer, the computer performs the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.

[0216] In a twelfth aspect, the embodiments of the present disclosure provide a chip or a chip system. The chip or the chip system includes processing circuitry configured to perform the method described in the first aspect, the optional implementation of the first aspect, the second aspect, and the optional implementation of the second aspect.

[0217] It can be understood that the terminal, the network device, the communication device, the communication system, the storage medium, the program product, and the computer program are all used to execute the method proposed in the embodiments of the present disclosure. Therefore, the beneficial effects that can be achieved are referred to the beneficial effects in the corresponding method, which will not be described here.

[0218] The embodiments of the present disclosure propose a communication method, a communication device, a communication system, and a storage medium. In some embodiments, the communication method and the information processing method, the information sending method, and the information receiving method can be replaced with each other, the communication device and the information processing device, the information sending device, and the information receiving device can be replaced with each other, and the information processing system, the communication system, the information sending system, and the information receiving system can be replaced with each other.

[0219] The embodiments of the present disclosure are not exhaustive, but only illustrate some embodiments, and are not specific limitations on the protection scope of the present disclosure. In the case of no contradiction, each step in an embodiment can be implemented as an independent embodiment, and the steps can be combined arbitrarily, for example, the scheme after removing some steps in an embodiment can also be implemented as an independent embodiment, and the order of the steps in an embodiment can be exchanged arbitrarily, in addition, the optional implementation in an embodiment can be combined arbitrarily; in addition, the embodiments can be combined arbitrarily, for example, the steps of different embodiments or parts or all of the steps of different embodiments can be combined arbitrarily, and an embodiment can be combined with the optional implementation of other embodiments.

[0220] In the embodiments of the present disclosure, the terms and / or descriptions among the embodiments are consistent and can be referred to each other if there is no special description and logical conflict, and the technical features in different embodiments can be combined to form new embodiments according to their inherent logical relationship.

[0221] The terms used in the embodiments of the present disclosure are only for the purpose of describing particular embodiments and are not used as limitations of the present disclosure.

[0222] In the embodiments of the present disclosure, unless otherwise specified and logically conflicted, the elements expressed in singular form, such as "one", "a", "the", "above", "said", "preceding", "this" and the like, can represent "one and only one", or "one or more", "at least one" and the like. For example, in the case of using articles such as "a", "an", "the" in English, the noun after the article can be understood as singular expression, or as plural expression.

[0223] In the embodiments of the present disclosure, "plurality" refers to two or more.

[0224] In some embodiments, the terms "at least one of", "at least one of", "at least one of", "one or more", "a plurality of", "multiple" and the like can be replaced with each other.

[0225] In the embodiments of the present disclosure, the description manner such as "at least one of A, B, C", "A and / or B and / or C" and the like includes any one of A, B, C exists alone, and also includes any combination of any multiple of A, B, C, and each case can exist alone; for example, "at least one of A, B, C" includes single A, single B, single C, A and B combination, A and C combination, B and C combination, A and B and C combination; for example, A and / or B includes single A, single B, A and B combination.

[0226] In some embodiments, the description manner such as "A in one case, B in another case", "in response to one case A, in response to another case B" and the like can include the following technical solutions according to the case: A is executed regardless of B, that is, A in some embodiments; B is executed regardless of A, that is, B in some embodiments; A and B are selectively executed, that is, A and B are selected from A and B to be executed in some embodiments; A and B are both executed, that is, A and B in some embodiments. When there are more branches such as A, B, C, the above is similar.

[0227] The prefix words "first", "second", and the like in the embodiments of the present disclosure are merely used to distinguish different description objects, and do not constitute limitation on the position, order, priority, quantity or content of the description objects. The description of the description objects should refer to the description in the context of the claims or embodiments, and should not constitute redundant limitation because of the use of the prefix words. For example, the description objects are "fields", and the ordinal words before "fields" in "first field" and "second field" do not limit the position or order between "fields". "First" and "second" do not limit whether the "fields" they modify are in the same message, nor do they limit the order of "first field" and "second field". For another example, the description objects are "levels", and the ordinal words before "levels" in "first level" and "second level" do not limit the priority between "levels". For another example, the quantity of the description objects is not limited by the ordinal words. For example, "first device", where the quantity of "devices" can be one or more. In addition, the objects modified by different prefix words can be the same or different. For example, the description objects are "devices", and "first device" and "second device" can be the same device or different devices, and their types can be the same or different. For another example, the description objects are "information", and "first information" and "second information" can be the same information or different information, and their contents can be the same or different.

[0228] In some embodiments, "including A", "containing A", "for indicating A", "carrying A" can be interpreted as directly carrying A, or indirectly indicating A.

[0229] In some embodiments, the terms "in response to", "in response to determining", "in the case of", "when", "when", "if", "if" and the like can be replaced with each other.

[0230] In some embodiments, the terms "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 lower than", "above" and the like can be replaced with each other, and the terms "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", "below" and the like can be replaced with each other.

[0231] In some embodiments, devices, etc. can be interpreted as physical or virtual, and their names are not limited to the names recorded in the embodiments. Terms such as "device", "equipment", "device", "circuit", "network element", "node", "function", "unit", "section", "system", "network", "chip", "chip system", "entity", and "subject" can be used interchangeably.

[0232] In some embodiments, "network" can be interpreted as devices included in the network (eg, access network equipment, core network equipment, etc.).

[0233] In some embodiments, the terms "access network device (AN device)", "radio access network device (RAN device)", "base station (BS)", "radio base station" "fixed station", "node", "access point", "transmission point (TP)", "reception point (RP)", "transmission / reception point (TRP)", "panel", "antenna panel", "antenna array", "cell", "macro cell", "small cell", "femto cell", "pico cell", "sector", "cell group", "carrier", "component carrier", "bandwidth part (BWP)" and the like may be used interchangeably.

[0234] In some embodiments, the terms "terminal," "terminal device," "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," and so on can be replaced with each other.

[0235] In some embodiments, an access network device, a core network device, or a network device can be replaced with a terminal. For example, for a structure in which communication between an access network device, a core network device, or a network device and a terminal is replaced with communication between a plurality of terminals (for example, also referred to as device-to-device (D2D), vehicle-to-everything (V2X), and so on), embodiments of the present disclosure can also be applied. In this case, a structure in which a terminal has all or part of the functions of an access network device can also be provided. Furthermore, the language of "uplink," "downlink," and so on can also be replaced with language corresponding to communication between terminals (for example, "side"). For example, an uplink channel, a downlink channel, and so on can be replaced with a side channel, and an uplink, a downlink, and so on can be replaced with a side link.

[0236] In some embodiments, a terminal can be replaced with an access network device, a core network device, or a network device. In this case, a structure in which an access network device, a core network device, or a network device has all or part of the functions of a terminal can also be provided.

[0237] In some embodiments, the data, information, etc. can be obtained in compliance with the laws and regulations of the country where the location is situated.

[0238] In some embodiments, the data, information, etc. can be obtained after obtaining the consent of the user.

[0239] In addition, each element, each row, or each column in the table of the embodiments of the present disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.

[0240] The correspondence shown in each table in the present disclosure can be configured or predefined. The values of the information in each table are merely examples, and other values can be configured, and the present disclosure is not limited thereto. When configuring the correspondence between the information and each parameter, it is not necessarily required to configure all the correspondences shown in each table. For example, the correspondence shown in some rows in the table in the present disclosure can also not be configured. For another example, the above table can be appropriately deformed, for example, split, merged, etc. The name of the parameter shown in the title of each table in the present disclosure can also use other names understandable by the communication device, and the value or representation of the parameter can also use other values or representations understandable by the communication device. Each table in the present disclosure can also use other data structures when implemented, for example, an array, a queue, a container, a stack, a linear table, a pointer, a linked list, a tree, a graph, a structure, a class, a heap, a hash table, etc.

[0241] The predefinition in the present disclosure can be understood as defining, predefining, storing, pre-storing, pre-negotiating, pre-configuring, solidifying, or pre-burning.

[0242] Figure 1 FIG. 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure. As shown in FIG. 1, the communication system can include a terminal 101 and a network device 102. Figure 1

[0243] ​In some embodiments, the terminal example 101 described above is at least one of a mobile phone, a wearable device, an Internet of Things (IoT) device, a Narrow Band Internet of Things (NB-IOT) device, a communication-capable automobile, a smart automobile, a tablet (Pad), a wireless transceiver-equipped computer, 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, a wireless terminal device in a smart home, but is not limited thereto.

[0244] In some embodiments, the network device 102 described above is at least one of a node or a device that accesses a terminal to a wireless network, for example, an evolved NodeB (eNB) in a 5G communication system, a next generation eNB (ng-eNB), a next generation NodeB (gNB), a node B (NB), a home node B (HNB), a home evolved node B (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 RAN, a Cloud RAN, a base station in other communication systems, an access node in a wireless fidelity (WiFi) system, but is not limited thereto.

[0245] In some embodiments, the technical solutions of the present disclosure can be applied to an Open RAN architecture, at this time, the interfaces between or within the access network devices involved in the embodiments of the present disclosure can become internal interfaces of the Open RAN, and the processes and information interactions between these internal interfaces can be implemented through software or programs.

[0246] In some embodiments, the access network device can be composed of a central unit (CU) and a distributed unit (DU), where the CU can also be referred to as a control unit. The CU-DU structure can split the protocol layers of the access network device, and some of the functions of the protocol layers are controlled by the CU, and the remaining or all of the functions of the protocol layers are distributed in the DU and controlled by the CU. However, the present disclosure is not limited thereto.

[0247] It can be understood that the communication system described in the embodiments of the present disclosure is for more clearly illustrating the technical solutions of the embodiments of the present disclosure, and does not constitute a limitation on the technical solutions proposed by the embodiments of the present disclosure. Those skilled in the art can know that, as the system architecture evolves and new business scenarios appear, the technical solutions proposed by the embodiments of the present disclosure are also applicable to similar technical problems.

[0248] The following embodiments of the present disclosure can be applied to Figure 1 the communication system 100 shown, or part of the subjects, but are not limited thereto. Figure 1 The subjects shown are examples, and the communication system can include Figure 1 all or part of the subjects, or can include other subjects Figure 1 in addition to the above. The number and form of each subject are arbitrary, and the connection relationship between the subjects is an example. The subjects can be connected or not connected, and the connection can be in any way, can be direct connection or indirect connection, can be wired connection or wireless connection.

[0249] The embodiments of the present disclosure may 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), 6th generation mobile communication system (6G), 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 802.17 (WiMAX (registered trademark)), IEEE 802.18 (WiMAX (registered trademark)), IEEE 802.19 (WiMAX (registered trademark)), IEEE 802.20 (WiMAX (registered trademark)), IEEE 802.21 (WiMAX (registered trademark)), IEEE 802.22 (WiMAX (registered trademark)), IEEE 802.23 (WiMAX (registered trademark)), IEEE 802.24 (WiMAX (registered trademark)), IEEE 802.25 (WiMAX (registered trademark)), IEEE 802.26 (WiMAX (registered trademark)), IEEE 802.27 (WiMAX (registered trademark)), IEEE 802.28 (WiMAX (registered trademark)), IEEE 802.29 (WiMAX (registered trademark)), IEEE 802.30 (WiMAX (registered trademark)), IEEE 802.31 (WiMAX (registered trademark)), IEEE 802.32 (WiMAX (registered trademark)), IEEE 802.33 ( 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).

[0250] In NR, especially when the communication frequency band is in frequency range 2 (above 6 GHz), due to the rapid attenuation of high-frequency channels, in order to ensure coverage, beam-based transmission and reception need to be used. In order to realize the fast switching of the terminal, Rel-18 studies L1 / L2 trigger mobility (LTM), that is, the base station configures multiple candidate cells for the terminal, each candidate cell is configured with some Synchronization Signal Blocks (SSBs), and the terminal can measure the SSBs of the candidate cells and report the measurement results of the SSBs corresponding to the M candidate cells, wherein the measurement results of N SSBs on each candidate cell are reported, such as Layer 1 Reference Signal Received Power (L1-RSRP).

[0251] Based on the measurement results, the base station configures a target cell for the terminal, and a Transport configuration indicator (TCI) state identifier (ID) corresponding to the target cell. The reference signal resource (RS) indicated in the TCI state ID can be an SSB of the target cell or a Tracking Reference Signal (TRS) having a Quasi Co-Location (QCL) relationship with the SSB of the target cell.

[0252] In some embodiments, after the terminal switches to the target cell, the target cell becomes a new serving cell, and the terminal needs to first obtain the configuration information of the reference signal resource for CSI measurement and CSI reporting of the new serving cell, then perform CSI measurement, and then report the CSI to the new serving cell. The new serving cell schedules the terminal based on the obtained CSI and transmits data. However, this will cause a large data transmission delay. If the new serving cell does not obtain the CSI of the terminal and directly schedules the terminal based on the default CSI, if the default CSI is poor, the transmission rate of the terminal will be low, and if the default CSI is high, the decoding success rate will be low, so the transmission rate will also be low.

[0253] In order to solve the above problems, the method proposed in the embodiment of the present disclosure can perform CSI measurement on the first cell when the first cell is not the service cell of the terminal cell, so that the network equipment can obtain the CSI report of the first cell in time. When the first cell becomes the service cell of the terminal, the terminal can be scheduled in time according to the CSI report of the first cell.

[0254] Figure 2A FIG. 1 is an interactive diagram of a communication method according to an embodiment of the present disclosure. Figure 2A As shown, the embodiment of the present disclosure relates to a communication method, which is used in a communication system 100. The method includes:

[0255] Step S2101: The network device sends first information to the terminal.

[0256] In some embodiments, the network device may send the first information to the terminal. Optionally, the terminal receives the first information sent by the network device.

[0257] In some embodiments, the first information may be used to determine a first reference signal resource for CSI measurement of the first cell.

[0258] In some embodiments, the first information may be used to indicate a first reference signal resource for CSI measurement of the first cell.

[0259] In some embodiments, the first information may be used to configure a first reference signal resource for CSI measurement of the first cell.

[0260] In some embodiments, the first information may be referred to as “resource determination information”, “resource indication information”, “resource configuration information”, etc.

[0261] Step 2102: The terminal determines a first reference signal resource of the first cell according to the first information.

[0262] In some embodiments, the first cell is not a serving cell of the terminal, that is, the first cell is currently a non-serving cell of the terminal. It is understandable that the first cell is not a serving cell of the terminal, that is, when the terminal determines the first reference signal resource of the first cell, the first cell is not yet a serving cell of the terminal.

[0263] In some embodiments, the first cell may be one of a candidate cell, a neighboring cell, and a target cell for the terminal. It is understood that when the terminal determines the first reference signal resource, the first cell is not yet the terminal's serving cell. For example, the first cell may be the cell to which the terminal is about to switch. After the terminal switches to the first cell, the first cell becomes the terminal's serving cell.

[0264] In some embodiments, the first information can be report configuration information of CSI. Optionally, the first reference signal resource can be configured based on a CSI framework.

[0265] In some embodiments, the first information can be report configuration information of L1 / L2 triggered mobility (LTM)-CSI.

[0266] In some embodiments, the first information includes specific parameters of the first reference signal resource, such as frequency, time location, period, etc. Optionally, the first information can carry an identifier of the resource. Optionally, the first information can further carry additional information of the resource, such as priority of the resource, etc.

[0267] In some embodiments, after receiving the first information, the terminal can determine the first reference signal resource of the first cell according to the information carried in the first information, such as determining the frequency domain and time domain location, port configuration, resource mapping, etc. corresponding to the first cell.

[0268] In some embodiments, the first reference signal resource is a CSI-RS resource corresponding to the first cell, which can include non-zero power (NZP) CSI-RS, SSB, and CSI interference measurement (CSI-IM) resource, etc.

[0269] In some embodiments, the first cell has a set of reference signal resources, and the first information can indicate the number or offset of the resource in the set to determine the first reference signal resource from the set of reference signal resources.

[0270] In some embodiments, the first reference signal resource can be a reference signal resource having a quasi co-location (QCL) relationship with the reference signal resource of the first cell. Optionally, the network device can configure and indicate the first reference signal resource having the QCL relationship through radio resource control (RRC) signaling.

[0271] In some embodiments, the first information can be RRC signaling. Optionally, the RRC signaling can configure a list of (LTM) CSI trigger states, each trigger state in the list corresponds to one or more CSI report configuration identifiers (CSI report config IDs), each CSI report config ID corresponds to a corresponding resource configuration, and each resource configuration corresponds to one or more resources of the first cell, which can be used as the first reference signal resource.

[0272] In some embodiments, the number of the first cells may be one or more.

[0273] Step 2103: The network device sends second information to the terminal.

[0274] In some embodiments, the second information is used to indicate a CSI measurement configuration corresponding to one or more first cells.

[0275] In some embodiments, the CSI measurement configuration may include at least one of the following information:

[0276] The configuration information of the CSI-RS resource may include, for example, resource periodicity: the CSI-RS resource may be periodic, semi-persistent, or aperiodic.

[0277] The type of measurement resources, where the measurement type may include resources for channel measurement and resources for interference measurement.

[0278] The configuration information of CSI reporting may include, for example, the report type, report content, report frequency, and report timing. The report type may be periodic, semi-continuous (based on PUCCH or PUSCH), or aperiodic. The report content is the reported parameters, for example, may include the Precoding Matrix Indicator (PMI), Rank Indicator (RI), Layer Indicator (LI), Channel Quality Indicator (CQI), etc.

[0279] The codebook information reported in CSI may include, for example, the codebook type and codebook restriction subset. The codebook type specifies the codebook type used for reporting, such as Type I, Type II, or enhanced Type II codebooks. The codebook restriction subset limits the range of precoding matrices used by the terminal for CSI reporting.

[0280] Configure power control parameters during CSI measurement and reporting;

[0281] Configure restrictions on CSI measurement and reporting in the time and frequency domains, etc.

[0282] Step 2104: The terminal performs CSI measurement on the first cell based on the first reference signal resource.

[0283] In some embodiments, the terminal uses the first reference signal resource of the first cell and performs CSI measurement on the first cell according to the CSI measurement configuration of the first cell to obtain a CSI report of the first cell.

[0284] In some embodiments, the terminal may determine the measurement period, measurement duration, and measurement frequency according to the CSI measurement configuration, and perform CSI measurement on the first cell using the first reference signal resource according to the above information to obtain a CSI report for the first cell.

[0285] Step 2105: The terminal sends a CSI report of a first cell to the network device, where the first cell is not a serving cell of the terminal.

[0286] In some embodiments, the first cell is not a serving cell of the terminal, that is, the first cell is currently a non-serving cell of the terminal. It is understandable that the first cell is not a serving cell of the terminal, that is, when the terminal determines the first reference signal resource of the first cell, the first cell is not yet a serving cell of the terminal.

[0287] In some embodiments, the CSI report of the first cell may include at least one of the following information:

[0288] Precoding Matrix Indicator (PMI);

[0289] Rank Indicator (RI);

[0290] Channel Quality Indicator (CQI);

[0291] Layer Indicator (LI);

[0292] CSI-RS Resource Indicator (CRI).

[0293] In some embodiments, the terminal can determine parameters such as the CSI report type, report content, report frequency and report timing based on the CSI measurement configuration, and report the CSI report of the first cell according to the above parameters. Optionally, the network device receives the CSI report of the first cell reported by the terminal.

[0294] In some embodiments, the terminal may send a CSI report for the first cell to the network device corresponding to the serving cell. That is, the terminal may report the CSI report for the first cell before the handover. Accordingly, the network device receiving the CSI report for the first cell is the network device corresponding to the serving cell. It is understood that the serving cell is the cell that sends at least one of the first information and the second information to the terminal. The serving cell before the handover may also be referred to as the old serving cell.

[0295] In some embodiments, the terminal can send the CSI report of the first cell to the network device corresponding to the first cell. That is, the terminal can report the CSI report of the first cell after the handover, and the network device receiving the CSI report of the first cell is the network device corresponding to the first cell. Here, the first cell is the serving cell after the handover, which can also be referred to as the new serving cell.

[0296] It can be understood that if the reference signal resource corresponding to the QCL source of the demodulation reference signal (DMRS) of the physical uplink shared channel (PUSCH) through which the terminal reports the CSI report of the first cell is the reference signal resource of the old serving cell of the terminal, the terminal reports the CSI report of the first cell to the old serving cell; if the reference signal resource is the reference signal resource of the new serving cell, the terminal reports the CSI report of the first cell to the new serving cell.

[0297] In some embodiments, when the terminal sends the CSI report of the first cell to the network device of the first cell, the terminal can send the CSI report of the first cell to the network device on the first PUSCH in the process of connecting to the first cell. Optionally, the network device receives the CSI report of the first cell on the first PUSCH.

[0298] In some embodiments, the first PUSCH is one of the following PUSCHs:

[0299] If the terminal connects to the first cell by using a 4-step random access procedure, the first PUSCH is a PUSCH including a message 3 (msg 3) in the 4-step random access procedure.

[0300] If the terminal connects to the first cell by using a 2-step random access procedure, the first PUSCH is a PUSCH including a message A (msg A) in the 2-step random access procedure.

[0301] The communication method related to the embodiments of the present disclosure can include at least one of steps S2101-S2105. For example, step 2101 can be implemented as an independent embodiment, step 2102 can be implemented as an independent embodiment, step 2103 can be implemented as an independent embodiment, step 2101+S2102 can be implemented as an independent embodiment, but is not limited thereto.

[0302] In the present embodiment or example, each step can be independent, arbitrarily combined or exchanged in order, the optional mode or optional example can be arbitrarily combined, and can be arbitrarily combined with any step of other embodiments or other examples.

[0303] In the above embodiment, when the first cell is not yet a serving cell, CSI measurement of the first cell can be performed based on the first reference signal resource of the first cell, that is, CSI measurement of the first cell can be performed based on the first reference signal resource before switching, so that the CSI report of the first cell can be obtained in time. When the first cell becomes the new serving cell of the terminal, the network device can schedule the terminal in time according to the CSI report of the first cell, thereby improving the efficiency and speed of data transmission and increasing the decoding success rate.

[0304] Figure 2B FIG. 1 is an interactive diagram of a communication method according to an embodiment of the present disclosure. Figure 2B As shown, the embodiment of the present disclosure relates to a communication method, which is used in a communication system 100. The method includes:

[0305] Step S2201: The network device sends first information to the terminal.

[0306] Optional implementations of step S2201 can be found in Figure 2A Optional implementation of step S2101, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.

[0307] Step S2202: The terminal determines a first reference signal resource of the first cell according to the first information.

[0308] Optional implementations of step S2201 can be found in Figure 2A Optional implementation of step S2102, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.

[0309] Step S2203: The network device sends second information to the terminal.

[0310] In some embodiments, the second information may include CSI measurement configuration of one or more second cells.

[0311] In some embodiments, the second cell may be a candidate cell, a neighboring cell, or a target cell of the terminal.

[0312] In some embodiments, the second information is downlink control information (DCI), and the DCI includes the first code point.

[0313] In some embodiments, after obtaining a first code point in the DCI, a first trigger state having a mapping relationship with the first code point is determined from a first mapping relationship between code points and trigger states. Optionally, the first mapping relationship includes mapping relationships between multiple code points and multiple trigger states. Optionally, the first mapping relationship between code points and trigger states can be agreed upon based on a protocol. Optionally, the network device can configure and indicate the first mapping relationship between code points and trigger states through RRC signaling.

[0314] In some embodiments, a first CSI measurement configuration that has a mapping relationship with the first trigger state is determined from a second mapping relationship between the trigger state and the CSI measurement configuration as the CSI measurement configuration corresponding to the at least one second cell. Optionally, the second mapping relationship includes mapping relationships between multiple trigger states and multiple CSI measurement configurations. Optionally, the second mapping relationship between the protocol trigger state and the CSI measurement configuration may be based on the second mapping relationship. Optionally, the network device may configure and indicate the second mapping relationship between the trigger state and the CSI measurement configuration through RRC signaling.

[0315] In some embodiments, the codepoint carried by the CSI request field in the DCI may be used to indicate a trigger state, and the trigger state indicated by the codepoint may correspond to one or more CSI report config IDs. Each CSI report config ID may correspond to one or more second cells.

[0316] In some embodiments, the number of trigger states included in the triggerstatelist configured by the first information (RRC signaling) in step S2101 is N, and the number of bits of the CSIrequest of the DCI is M. When N>(2^M-1), it means that the codepoint of the CSIrequest of the DCI cannot indicate N triggerstates, so the MACCE needs to first activate a maximum of 2^M-1 triggerstates in the list, and then the codepoint of the DCI indicates one of the multiple triggerstates activated by the MACCE.

[0317] In some embodiments, the second information is a Medium Access Control Control Element (MAC CE), and the MAC CE includes a first indication field.

[0318] In some embodiments, one or more bits in the first indication field correspond to a CSI reporting configuration ID. Optionally, a one-to-one correspondence between each bit and each CSI reporting configuration ID may be achieved, i.e., N bits correspond to N CSI reports. Alternatively, N bits may correspond to M CSI reporting configuration IDs. For example, one bit may correspond to multiple CSI reporting configuration IDs, and the multiple CSI reporting configuration IDs may form an ID set, with one bit indicating a CSI reporting configuration ID set. When the value of a certain bit is a first value, it indicates that the one or more CSI reporting configuration IDs corresponding to the bit are activated. The one or more CSI reporting configuration IDs corresponding to the bit may be referred to as a first CSI reporting configuration ID. Optionally, the first value may be "1" or "0." After obtaining the first indication field in the MACCE, the terminal may determine the first CSI reporting configuration ID corresponding to the bit with the first value and, based on the correspondence between the CSI reporting configuration ID and the CSI measurement configuration provided by RRC signaling, use the first CSI measurement configuration corresponding to the one or more activated first CSI reporting configuration IDs as the CSI measurement configuration corresponding to at least one second cell.

[0319] In the case where the bits in the first indication field correspond one-to-one with the CSI reporting configuration IDs, for example, the CSI reporting configuration IDs include CSI reporting configuration ID1, CSI reporting configuration ID2, CSI reporting configuration ID3, CSI reporting configuration ID4, and CSI reporting configuration ID5. The CSI measurement configurations may include CSI measurement configuration A, CSI measurement configuration B, CSI measurement configuration C, CSI measurement configuration D, and CSI measurement configuration E. CSI reporting configuration ID1 to CSI reporting configuration ID5 correspond to CSI measurement configurations A to CSI measurement configuration E, respectively.

[0320] The first indication field may include 5 bits, and the 5 bits correspond to CSI report configuration ID1 to CSI report configuration ID5 respectively. If the value of bit 2 is "1", it can be determined that CSI report configuration ID2 can be activated, and then the CSI measurement configuration B corresponding to CSI report configuration ID2 can be used as the first CSI measurement configuration, that is, the CSI measurement configuration of at least one second cell. It can be understood that the value of bit 1 and bit 2 on the first indication field is "1", which can determine that CSI report configuration ID1 and CSI report configuration ID2 are activated, and then the CSI measurement configuration A corresponding to CSI report configuration ID1 and the CSI measurement configuration B corresponding to CSI report configuration ID2 can be used as the first CSI measurement configuration, that is, the CSI measurement configuration of at least one second cell.

[0321] In the case that the N bits in the first indication field correspond to the M CSI report configuration IDs, an example is shown as follows. For example, 3 bits are included in the first indication field. Bit 1 corresponds to CSI report configuration ID1 and CSI report configuration ID2; bit 2 corresponds to CSI report configuration ID3 and CSI report configuration ID4; and bit 3 corresponds to CSI report configuration ID5. If the value of bit 1 is "1", it can be determined that CSI report configuration ID1 and CSI report configuration ID2 are the first CSI report configuration IDs. CSI measurement configuration A corresponding to CSI report configuration ID1 and CSI measurement configuration B corresponding to CSI report configuration ID2 are determined as the first CSI measurement configurations, as the CSI measurement configurations of the at least one second cell.

[0322] In step S2204, the terminal determines the first cell from the plurality of second cells.

[0323] In some embodiments, the second information indicates the CSI measurement configuration corresponding to one second cell, and the terminal determines the second cell as the first cell.

[0324] In some embodiments, the second information indicates the CSI measurement configuration corresponding to a plurality of second cells, and the terminal can determine that the plurality of second cells are all the first cells.

[0325] In some embodiments, the second information indicates the CSI measurement configuration corresponding to a plurality of second cells, and the terminal can determine that part of the plurality of second cells are the first cells.

[0326] In some embodiments, the beam quality of each of the plurality of second cells is determined, and the N second cells with the best beam quality are determined as the part of the second cells, that is, as the first cells, where N is a natural number greater than or equal to 1. Alternatively, the beam qualities of the plurality of second cells are sorted, and the N second cells in the front are determined as the part of the second cells.

[0327] In some embodiments, the beam quality can include, but is not limited to, the RSRP of the cell, the RSRQ of the cell, the SINR of the cell, etc.

[0328] In some embodiments, when the second cell corresponds to a plurality of beam qualities, the optimal beam quality is determined from the plurality of beam quality parameters as the beam quality of the second cell. For example, the plurality of beam qualities include the RSRP, RSRQ and SINR of the second cell. If the RSRP of the second cell is the optimal one among the RSRP, RSRQ and SINR of the second cell, the RSRP of the second cell is taken as the final beam quality of the second cell.

[0329] In some embodiments, second cells whose beam qualities are greater than a first set threshold value among the plurality of second cells are determined as part of the second cells.

[0330] In some embodiments, the beam quality of the service cell of the terminal is determined, and based on the beam quality and offset of the service cell, some second cells are determined from multiple second cells. Optionally, the sum of the beam quality and the offset of the service cell is determined as a second set threshold value, and the second cells among the multiple second cells whose beam quality is greater than the second set threshold value are determined as some second cells.

[0331] It can be understood that if the beam quality of the second cell is the RSRP of the cell, the sum value (second set threshold value) is obtained based on the RSRP of the serving cell and the offset. If the beam quality of the second cell is the RSRQ of the cell, the sum value (second set threshold value) is obtained based on the RSRQ of the serving cell and the offset. If the beam quality of the second cell is the SINR of the cell, the sum value (second set threshold value) is obtained based on the RSRQ of the serving cell and the offset. That is, the beam quality of the second cell and the beam quality of the serving cell are the same type of quality parameters.

[0332] In some embodiments, some of the second cells among the plurality of second cells are determined based on the indication signaling of the network device. For example, if the indication signaling of the network device indicates a target cell, the target cell is used as part of the second cell, that is, the target cell is used as the first cell.

[0333] Optionally, the network device may indicate the target cell based on RRC signaling, for example, RRC reconfiguration or handover command includes an identifier of the target cell.

[0334] Optionally, the network device may indicate the target cell based on the indication information of TCIstate, where the cell corresponding to TCIstate is the target cell, TCIstate is one of the TCIstatelist of the target cell, or the reference signal resource indicated by TCIstate is the reference signal resource of the target cell, or the QCLsource of the reference signal resource indicated by TCIstate is the reference signal resource of the target cell. For example, the network device may indicate the indicatedTCIstate used for terminal communication through MACCE and / or DCI, and the terminal determines that the target cell corresponding to indicatedTCIstate is part of the second cell.

[0335] In some embodiments, after determining some of the second cells, the terminal may send identifiers of some of the second cells to the network device.

[0336] In some embodiments, the terminal may determine the positions of some second cells among the plurality of second cells, use the positions of some second cells among the plurality of second cells as identifiers of some second cells, and send the positions corresponding to some second cells to the network device.

[0337] In some embodiments, the terminal may determine cell identifiers of part of the second cell and send the cell identifiers of part of the second cell to the network device.

[0338] In some embodiments, after the terminal determines some of the second cells, it sends the identifiers of some of the second cells to the network device while sending the CSI reports of some of the second cells. Alternatively, after the terminal determines some of the second cells, it sends the identifiers of some of the second cells to the network device in the CSI reports corresponding to the second cells.

[0339] Step 2205: The terminal performs CSI measurement on the first cell based on the first reference signal resource.

[0340] Optional implementations of step S2205 can be found in Figure 2A Optional implementation of step S2104, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.

[0341] In step 2206, the terminal sends a CSI report of a first cell to the network device, where the first cell is not a serving cell of the terminal.

[0342] In some embodiments, the first cell is not a serving cell of the terminal, that is, the first cell is currently a non-serving cell of the terminal. It is understandable that the first cell is not a serving cell of the terminal, that is, when the terminal determines the first reference signal resource of the first cell, the first cell is not yet a serving cell of the terminal.

[0343] Optional implementations of step S2206 can be found in Figure 2A Optional implementation of step S2105, and Figure 2A Other related parts in the embodiments involved will not be described in detail here.

[0344] In some embodiments, the first cell is determined by the terminal from multiple second cells, and the terminal may send an identifier of the first cell to the network device at the same time as sending the CSI report of the first cell.

[0345] The communication method involved in the embodiments of the present disclosure may include at least one of steps 2201 to 2106. For example, step 2205 may be implemented as an independent embodiment, step 2206 may be implemented as an independent embodiment, and step 2205+S2206 may be implemented as an independent embodiment, but the present invention is not limited thereto.

[0346] 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.

[0347] In the above embodiment, a cell with good quality may be determined from multiple second cells as the first cell, thereby ensuring that the terminal can switch to the cell with good quality, thereby improving the efficiency and speed of data transmission and increasing the decoding success rate.

[0348] Figure 2C FIG. 1 is an interactive diagram of a communication method according to an embodiment of the present disclosure. Figure 2C As shown, the embodiment of the present disclosure relates to a communication method, which is used in a communication system 100. The method includes:

[0349] Step S2301: The network device sends second information to the terminal.

[0350] In some embodiments, the second information may be CSI measurement configuration of at least one or more second cells.

[0351] In some embodiments, the second information may configure the CSI-RS of the second cell in the CSI measurement configuration of the second cell.

[0352] In some embodiments, the second cell may be a candidate cell, a target cell, or a neighboring cell of the terminal.

[0353] In some embodiments, the second information is DCI, and the DCI includes the first code point.

[0354] For the process of determining the CSI measurement configuration of one or more second cells based on the first code point carried in the DCI, please refer to Figure 2B Optional implementation of step S2203, and Figure 2B Other related parts in the embodiments involved will not be described in detail here.

[0355] In some embodiments, the second information is a MAC CE, and the MAC CE includes a first indication field.

[0356] For the process of determining the CSI measurement configuration of one or more second cells based on the first indication field carried in the MAC CE, please refer to Figure 2B Optional implementation of step S2203, and Figure 2B Other related parts in the embodiments involved will not be described in detail here.

[0357] Step S2302: The terminal determines a first cell from multiple second cells.

[0358] The optional implementation of step S2302 can refer to the optional implementation of step S2202 in the embodiments of the optional implementation of step S2204, and the other associated parts in the embodiments involved by the optional implementation of step S2204, which are not described here again. Figure 2B The optional implementation of step S2303 can refer to the optional implementation of step S2203 in the embodiments of the optional implementation of step S2204, and the other associated parts in the embodiments involved by the optional implementation of step S2204, which are not described here again. Figure 2B The optional implementation of step S2304 can refer to the optional implementation of step S2104 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again.

[0359] In step S2303, the terminal determines the first reference signal resource of the first cell according to the second information.

[0360] In some embodiments, after the terminal determines the first cell from the plurality of second cells, the terminal can determine the first reference signal resource of the first cell from the CSI measurement configuration corresponding to the first cell according to the second information.

[0361] For example, the plurality of second cells include cell 1, cell 2, cell 3 and cell 4, and the terminal can determine cell 2 and cell 3 as the first cell from the cell 1 to the cell 4. Accordingly, the terminal can determine the CSI measurement configuration corresponding to the cell 2 and the cell 3 from the second information. Since the CSI measurement configuration includes the CSI-RS corresponding to the cell, the terminal can determine the first reference signal resource of the cell 2 from the CSI measurement configuration corresponding to the cell 2. The terminal can determine the first reference signal resource of the cell 3 from the CSI measurement configuration corresponding to the cell 3.

[0362] In step S2304, the terminal performs CSI measurement on the first cell based on the first reference signal resource.

[0363] The optional implementation of step S2304 can refer to the optional implementation of step S2104 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again. Figure 2A The optional implementation of step S2305 can refer to the optional implementation of step S2105 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again. Figure 2A The optional implementation of step S2305 can refer to the optional implementation of step S2105 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again.

[0364] In step S2305, the terminal sends the CSI report of the first cell to the network device, and the first cell is not a serving cell of the terminal.

[0365] In some embodiments, the first cell is not a serving cell of the terminal, that is, the first cell is currently a non-serving cell of the terminal. It can be understood that the first cell is not a serving cell of the terminal, that is, the first cell is not a serving cell of the terminal when the terminal determines the first reference signal resource of the first cell.

[0366] The optional implementation of step S2305 can refer to the optional implementation of step S2105 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again. Figure 2A The optional implementation of step S2305 can refer to the optional implementation of step S2105 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again. Figure 2A The optional implementation of step S2305 can refer to the optional implementation of step S2105 in the embodiments of the optional implementation of step S2103, and the other associated parts in the embodiments involved by the optional implementation of step S2103, which are not described here again.

[0367] The communication method involved in the embodiment of the present disclosure may include at least one of steps S2301 to S2305. For example, step 2304 may be implemented as an independent embodiment, and steps S2304+S2305 may be implemented as independent embodiments, but are not limited thereto.

[0368] 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.

[0369] Figure 3A FIG. 1 is a flow chart of a communication method according to an embodiment of the present disclosure. Figure 3A As shown, the embodiment of the present disclosure relates to a communication method for a terminal, the method comprising:

[0370] Step S3101, receiving first information.

[0371] Step S3102: Determine a first reference signal resource of the first cell according to the first information.

[0372] Step S3103, receiving the second information.

[0373] Step S3104: Determine the CSI measurement configuration of the first cell according to the second information.

[0374] Step S3105: Perform CSI measurement on the first cell based on the first reference signal resource and the CSI measurement configuration.

[0375] Step S3106: Send a CSI report of the first cell, where the first cell is not a serving cell of the terminal.

[0376] For a detailed description of steps S3101-3106, please refer to the above embodiment description.

[0377] The communication method involved in the embodiment of the present disclosure may include at least one of steps S3101 to S3106. For example, step S3105 may be implemented as an independent embodiment, and steps S3105+S3106 may be implemented as independent embodiments, but are not limited thereto.

[0378] 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.

[0379] Figure 3B FIG. 1 is a flow chart of a communication method according to an embodiment of the present disclosure. Figure 3BAs shown, the embodiments of the present disclosure relate to a communication method for a terminal, and the method comprises:

[0380] Step S3201, receiving first information.

[0381] Step S3202, determining a first reference signal resource of a first cell according to the first information.

[0382] Step S3203, receiving second information.

[0383] Step S3204, determining the first cell from a plurality of second cells according to the second information.

[0384] Step S3205, performing CSI measurement on the first cell based on the first reference signal resource.

[0385] Step S3206, sending a CSI report of the first cell, the first cell being not a serving cell of the terminal.

[0386] Details about steps S3201-S3206 can be referred to the description of the above embodiments.

[0387] The communication method related to the embodiments of the present disclosure can comprise at least one of steps S3201-S3206. For example, step S3205 can be implemented as an independent embodiment, and steps S3205+S3206 can be implemented as an independent embodiment, but are not limited thereto.

[0388] In the present embodiment or example, each step can be independently, arbitrarily combined or exchanged in order, optional modes or optional examples can be arbitrarily combined, and can be arbitrarily combined with any step of other embodiments or other examples.

[0389] Figure 3C is a flowchart of a communication method according to the embodiments of the present disclosure. As shown, the embodiments of the present disclosure relate to a communication method for a terminal, and the method comprises: Figure 3C As shown, the embodiments of the present disclosure relate to a communication method for a terminal, and the method comprises:

[0390] Step S3301, receiving second information.

[0391] Step S3302, determining a first cell from a plurality of second cells.

[0392] Step S3303, determining a first reference signal resource of the first cell.

[0393] Step S3304, performing CSI measurement on the first cell based on the first reference signal resource.

[0394] Step S3305, sending a CSI report of the first cell, the first cell being not a serving cell of the terminal.

[0395] For a detailed description of steps S3301-S3305, please refer to the above embodiment description.

[0396] The communication method involved in the embodiment of the present disclosure may include at least one of steps S3301 to S3305. For example, step S3304 may be implemented as an independent embodiment, and steps S3304+S3305 may be implemented as independent embodiments, but are not limited thereto.

[0397] 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.

[0398] Figure 3D FIG. 1 is a flow chart of a communication method according to an embodiment of the present disclosure. Figure 3D As shown, the embodiment of the present disclosure relates to a communication method for a terminal, the method comprising:

[0399] Step S3401: determine a first reference signal resource of a first cell, where the first cell is not a serving cell of a terminal.

[0400] Step S3402: Perform CSI measurement on the first cell based on the first reference signal resource.

[0401] Step S3403: Send the CSI report of the first cell to the network device.

[0402] For a detailed description of steps S3401-S3405, please refer to the above embodiment description.

[0403] The communication method involved in the embodiment of the present disclosure may include at least one of steps S3401 to S3403. For example, steps S3402+S3403 may be implemented as independent embodiments, but are not limited thereto.

[0404] 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.

[0405] Figure 3E FIG. 1 is a flow chart of a communication method according to an embodiment of the present disclosure. Figure 3E As shown, the embodiment of the present disclosure relates to a communication method for a terminal, the method comprising:

[0406] In step S3401, a CSI measurement is performed on the first cell based on a first reference signal resource of the first cell, wherein the first cell is not a serving cell of the terminal.

[0407] In step S3402, a CSI report of the first cell is sent to the network device.

[0408] Optionally, at least one of the first information and the second information sent by the network device is received.

[0409] According to at least one of the first information and the second information, the first reference signal resource is determined.

[0410] Optionally, the first information is one of the following information:

[0411] report configuration information of the CSI;

[0412] report configuration information of L1 / L2 triggered mobility LTM-CSI.

[0413] Optionally, the first reference signal resource is one of the following reference signal resources:

[0414] The first reference signal resource is a reference signal resource corresponding to the first cell;

[0415] The first reference signal resource is a reference signal resource having a QCL relationship with a reference signal resource of the first cell.

[0416] Optionally, the CSI includes at least one of the following information: PMI, RI, CQI, LI, CRI.

[0417] Optionally, the second information is used to indicate a CSI measurement configuration corresponding to at least one second cell;

[0418] Based on the second information, the first cell is determined from the second cell.

[0419] Optionally, the second information is a downlink control information DCI, and the DCI includes a first code point;

[0420] From a first mapping relationship between the code point and the trigger state, a first trigger state having a mapping relationship with the first code point is determined.

[0421] From a second mapping relationship between the trigger state and the CSI measurement configuration, a first CSI measurement configuration having a mapping relationship with the first trigger state is determined as the CSI measurement configuration corresponding to the at least one second cell.

[0422] Optionally, the second information is a medium access control control element (MAC CE), and the MAC CE includes the first indication field.

[0423] One or more bits in the first indication field correspond to a CSI report configuration ID, a bit with a first value in the one or more bits corresponds to a first CSI report configuration ID, and a first CSI measurement configuration corresponding to the first CSI report configuration ID is determined as the CSI measurement configuration corresponding to the at least one second cell.

[0424] Optionally, the second information indicates a CSI measurement configuration corresponding to a second cell, and the second cell is determined as the first cell.

[0425] Optionally, the second information indicates CSI measurement configurations corresponding to multiple second cells, and the multiple second cells are all determined as the first cell, or part of the multiple second cells are determined as the first cell.

[0426] Optionally, beam qualities of the multiple second cells are determined, and N second cells with the best beam qualities are determined as the part of the second cells, where N is a natural number greater than or equal to 1.

[0427] Optionally, multiple beam qualities corresponding to the second cell are determined, and an optimal beam quality is determined as the beam quality of the second cell from the multiple beam qualities.

[0428] Optionally, a second cell with a beam quality greater than a first set threshold value in the multiple second cells is determined as the part of the second cells.

[0429] Optionally, a beam quality of a serving cell of the terminal is determined.

[0430] Optionally, a second cell with a beam quality greater than a sum of the beam quality of the serving cell and an offset in the multiple second cells is determined as the part of the second cells.

[0431] Optionally, an identifier of the part of the second cells is sent to the network device.

[0432] Optionally, a CSI report of the first cell is sent to a network device corresponding to the serving cell; or,

[0433] A CSI report of the first cell is sent to a network device corresponding to the first cell.

[0434] Optionally, the serving cell is a cell sending the first information and the second information.

[0435] Optionally, the CSI report of the first cell is sent in a first PUSCH in a process that the terminal connects to the first cell.

[0436] Optionally, the first PUSCH is one of the following PUSCHs:

[0437] a PUSCH including a message 3 in a 4-step random access procedure;

[0438] a PUSCH including a message A in a 2-step random access procedure.

[0439] Optionally, the first cell is one of a candidate cell, a neighbor cell or a target cell of the terminal.

[0440] Figure 4A is a flowchart of a communication method according to an embodiment of the present disclosure. As shown in Figure 4A The present embodiment of the present disclosure relates to a communication method, and is used for a network device. The above method comprises the following steps:

[0441] Step S4101, sending first information to a terminal.

[0442] Step S4102, sending second information to the terminal.

[0443] Step S4103, receiving a CSI report of a first cell, the first cell being not a serving cell of the terminal.

[0444] For details of steps S4101-S4103, refer to the above embodiment description.

[0445] The communication method according to the present embodiment of the present disclosure can comprise at least one of steps S4101-S4103. For example, step S4103 can be implemented as an independent embodiment, and steps S4101+S4104 can be implemented as an independent embodiment, but are not limited thereto.

[0446] In the present embodiment or the present embodiment, each step can be independently, arbitrarily combined or exchanged in order, and optional modes or optional examples can be arbitrarily combined, and can be arbitrarily combined with any step of other embodiments or other embodiments.

[0447] Figure 4B is a flowchart of a communication method according to an embodiment of the present disclosure. As shown in Figure 4B The present embodiment of the present disclosure relates to a communication method, and is used for a network device. The above method comprises the following steps:

[0448] Step S4201, sending second information to a terminal.

[0449] Step S4202: Receive a CSI report of a first cell, where the first cell is not a serving cell of the terminal.

[0450] For a detailed description of steps S4201-4202, please refer to the above embodiment description.

[0451] Figure 4C FIG. 1 is a flow chart of a communication method according to an embodiment of the present disclosure. Figure 4C As shown, an embodiment of the present disclosure relates to a communication method for a network device, the method comprising:

[0452] Step S4301: Send at least one of the first information and the second information to the terminal.

[0453] In some embodiments, at least one of the first information and the second information is used to determine a first reference signal resource of a first cell, where the first reference signal resource is used to perform CSI measurement on the first cell.

[0454] Step S4302: Receive a CSI report of a first cell, where the first cell is not a serving cell of the terminal.

[0455] Optionally, the first reference signal resource is one of the following reference signal resources:

[0456] The first reference signal resource is a reference signal resource corresponding to the first cell;

[0457] The first reference signal resource is a reference signal resource having a quasi co-location (QCL) relationship with a reference signal resource of the first cell.

[0458] Optionally, the first information is one of the following information:

[0459] CSI report configuration information;

[0460] Report configuration information for L1 / L2 triggered mobility LTM-CSI.

[0461] Optionally, the CSI report of the first cell includes at least one of the following information: PMI, RI, CQI, LI, CRI.

[0462] Optionally, second information is sent to the terminal, where the second information is used to indicate a CSI measurement configuration corresponding to one or more second cells, and the first cell is a cell in the second cells.

[0463] Optionally, the second information is DCI, the DCI is sent to the terminal, the DCI includes a first code point, the first code point is used to determine a first trigger state from a first mapping relationship between the code point and the trigger state, and the first trigger state is used to determine the CSI measurement configuration of the second cell.

[0464] Optionally, the second information is a medium access control control element (MAC CE), and the MAC CE is sent to the terminal, the MAC CE includes a first indication field.

[0465] One or more bits in the first indication field correspond to a CSI report configuration ID, and a bit with a first value in the bits is used to determine a first CSI measurement configuration corresponding to a corresponding first CSI report configuration ID, and the first CSI measurement configuration is used to determine the CSI measurement configuration corresponding to the at least one second cell.

[0466] Optionally, the second information indicates the CSI measurement configuration corresponding to one second cell, and the second cell is the first cell.

[0467] Optionally, the second information indicates the CSI measurement configuration corresponding to a plurality of second cells, and the plurality of second cells are all the first cell, or part of the plurality of second cells are the first cell.

[0468] Optionally, the part of the cells are N second cells with the best beam quality in the plurality of second cells, and the N is a natural number greater than or equal to 1.

[0469] Optionally, the second cell corresponds to a plurality of beam qualities, and a best beam quality in the plurality of beam qualities is the beam quality of the second cell.

[0470] Optionally, a second cell with a beam quality greater than a first set threshold value in the plurality of second cells is the part of the second cells.

[0471] Optionally, a second cell with a beam quality greater than a sum of a beam quality of the serving cell and an offset in the plurality of second cells is the part of the second cells.

[0472] Optionally, the identification of the part of the second cells is received from the terminal.

[0473] Optionally, the network device includes at least one of a network device corresponding to a serving cell of the terminal and a network device corresponding to the first cell, and the serving cell is a cell sending at least one of the first information and the second information.

[0474] Optionally, the CSI report of the first cell is received on a first PUSCH in a process that the terminal connects to the first cell.

[0475] Optionally, the first PUSCH is one of the following PUSCHs:

[0476] a PUSCH including a message 3 in a 4-step random access procedure;

[0477] a PUSCH including a message A in a 2-step random access procedure.

[0478] Optionally, the first cell is one of a candidate cell, a neighbor cell or a target cell of the terminal.

[0479] Figure 5 is an interaction schematic diagram of a communication method according to an embodiment of the present disclosure. As shown in Figure 5 The present disclosure relates to a communication method, and is used for a communication system including a terminal and a network device. The method includes at least one of the following:

[0480] In step S5101, the network device sends at least one of first information and second information to the terminal.

[0481] In step S5102, the terminal receives at least one of the first information and the second information, and determines a first reference signal resource of a first cell according to at least one of the first information and the second information.

[0482] In step S5103, the terminal performs CSI measurement on the first cell according to the first reference signal resource, and the first cell is not a serving cell of the terminal.

[0483] In step S5104, the terminal sends a CSI report of the first cell to the network device.

[0484] In step S5105, the network device receives the CSI report of the first cell.

[0485] Optional implementation manners of steps S5101-S5105 can refer to the above-mentioned embodiment introduction.

[0486] In some embodiments, the above-mentioned method can include the method described in the above-mentioned embodiment of the communication system side, the terminal side, the network device side, etc., which will not be described here.

[0487] The communication method related to the embodiments of the present disclosure can include at least one of steps S5101-S5105. For example, step S5103 can be implemented as an independent embodiment, and steps S5104+S5104 can be implemented as an independent embodiment, but are not limited thereto.

[0488] In the embodiments or examples, each step can be independent, arbitrarily combined or exchanged in sequence, optional mode or optional example can be arbitrarily combined, and can be arbitrarily combined with any step of other embodiments or other examples, without contradiction.

[0489] The following is an exemplary introduction to the above method.

[0490] The present disclosure provides a communication method.

[0491] In some embodiments, the terminal determines a first reference signal resource for CSI measurement, wherein the first reference signal resource is a reference signal resource corresponding to a first cell or a reference signal resource having a QCL relationship with the reference signal resource of the first cell, and the first cell is not a serving cell of the terminal.

[0492] In some embodiments, the first cell can be referred to as a candidate cell, a neighbor cell, a target cell, etc.

[0493] In some embodiments, when the terminal determines the first reference signal resource, the first cell is not a serving cell of the terminal. However, it is possible that the first cell is a cell to which the terminal will switch next, and after switching, the first cell becomes a serving cell of the terminal.

[0494] In some embodiments, the terminal determines the first reference signal resource, and the first reference signal resource configuration information can be included in the CSI-reportconfig (i.e., configured based on the CSI framework), and the first reference signal resource configuration information is included in the LTM-CSI-reportconfig.

[0495] In some embodiments, the CSI report (reportquantity) of the first cell includes at least one of the following:

[0496] PMI, RI, CQI, LI, CRI.

[0497] In some embodiments, the network device configures the CSI measurement configuration.

[0498] In some embodiments, the network device triggers the CSI measurement configuration based on the DCI, the codepoint of the DCI has a mapping relationship with different trigger states, and the mapping relationship is determined based on the MAC CE.

[0499] In some embodiments, the CSI measurement configuration includes one or more CSI measurements corresponding to the first cell, the terminal determines at least one first cell as a second cell, and measures and reports the CSI corresponding to the second cell. In some embodiments, the CSI measurement configuration includes one or more CSI measurements corresponding to the first cell, the terminal determines at least one first cell as a second cell, and measures and reports the CSI corresponding to the second cell.

[0500] In some embodiments, the first kind is that the CSI measurement includes a CSI measurement corresponding to a first cell, and the terminal directly measures the CSI of the first cell and reports a CSI report of the first cell.

[0501] In some embodiments, the second kind is that the CSI measurement includes CSI measurements corresponding to multiple first cells, and the terminal directly determines all the first cells as second cells.

[0502] In some embodiments, the third kind is that the CSI measurement includes CSI measurements corresponding to multiple first cells, and the terminal determines part of the first cells as second cells, and indicates an identity corresponding to the second cells, such as a position of the second cells in the multiple first cells.

[0503] In some embodiments, if the beam quality of the first cell is the best N of the multiple first cells, N can be 1 or greater than 1.

[0504] It should be noted that the beam quality refers to the L1-RSRP or L1-SINR corresponding to the reference signal resource, and the reference signal resource here is different from the reference signal resource used for CSI measurement

[0505] In some embodiments, if a cell corresponds to multiple beam qualities, here it can be the best beam quality.

[0506] In some embodiments, the beam quality of the first cell is higher than a certain threshold.

[0507] In some embodiments, the beam quality of the first cell is higher than the beam quality of the serving cell plus an offset value.

[0508] In some embodiments, the terminal reports the CSI report of the first cell.

[0509] In some embodiments, the terminal reports the CSI report of the first cell to the old serving cell, i.e., before the handover.

[0510] In some embodiments, the terminal reports the CSI report of the first cell to the new serving cell (the first cell), i.e., after the handover.

[0511] In some embodiments, it is reported in the first PUSCH in the process of reestablishing to the target cell. The PUSCH includes the PUSCH of Msg 3 (the third step signaling of the 4-step random access process) or the PUSCH in Msg A (the first step signaling of the 2-step random access process).

[0512] In some embodiments, if the reference signal resource of the QCL source corresponding to the DMRS of the PUSCH of the CSI report of the first cell reported by the terminal is of the old serving cell, the CSI report is reported to the old serving cell; if the reference signal resource is of the new serving cell, the CSI report is reported to the new serving cell.

[0513] In the present embodiment or example, each step can be independent, arbitrarily combined or exchanged in order, the optional mode or optional example can be arbitrarily combined, and can be arbitrarily combined with any step of other embodiments or other examples.

[0514] The embodiments of the present disclosure also propose a device for implementing any of the above methods, for example, a device including units or modules for implementing each step performed by the terminal in any of the above methods. For another example, another device is also proposed, including units or modules for implementing each step performed by the network equipment (such as access network equipment, core network function node, core network equipment, etc.) in any of the above methods.

[0515] It should be understood that the division of each unit or module in the above apparatus is only a logical function division, and all or part of them can be integrated into a physical entity or physically separated in actual implementation. In addition, the units or modules in the apparatus can be implemented in the form of processor calling software: for example, the apparatus includes a processor connected with a memory, the memory stores instructions, and the processor calls the instructions stored in the memory to implement any of the above methods or realize the functions of each unit or module of the above apparatus, wherein the processor is, for example, a general processor such as a central processing unit (CPU) or a microprocessor, and the memory is a memory within the apparatus or a memory outside the apparatus. Alternatively, the units or modules in the apparatus can be implemented in the form of hardware circuit, and the functions of part or all of the units or modules can be realized by the design of the hardware circuit. The above hardware circuit can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of part or all of the above units or modules are realized by the design of the logical relationship of the elements in the circuit; for example, in another implementation, the above hardware circuit is a programmable logic device (PLD), and a field programmable gate array (FPGA) is taken as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to realize the functions of part or all of the above units or modules. All units or modules of the above apparatus can be implemented in the form of processor calling software, or all units or modules can be implemented in the form of hardware circuit, or part of the units or modules are implemented in the form of processor calling software, and the remaining part is implemented in the form of hardware circuit.

[0516] In the embodiment of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and execution capability, 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, and the logical relationship of the above hardware circuit is fixed or reconfigurable, such as a hardware circuit implemented by a processor as an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In a reconfigurable hardware circuit, the processor loads a configuration document to implement the process of hardware circuit configuration, which 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.

[0517] Figure 6A This is a schematic diagram of the structure of the terminal proposed in the embodiment of the present disclosure. Figure 6A As shown, it includes: at least one of a transceiver module and a processing module.

[0518] a processing module, configured to perform channel state information (CSI) measurement on a first cell based on a first reference signal resource of the first cell, where the first cell is not a serving cell of the terminal;

[0519] The transceiver module is used to send the CSI report of the first cell to the network device.

[0520] Optionally, the processing module is used to execute steps related to "processing" executed by the terminal in any of the above methods, and the transceiver module is used to execute steps related to "transmitting and receiving" executed by the terminal in any of the above methods.

[0521] Figure 6B This is a schematic diagram of the structure of the network device proposed in the embodiment of the present disclosure. Figure 6B As shown, it includes: at least one of a transceiver module and a processing module.

[0522] transmitting, to a terminal, at least one of first information and second information, the at least one of the first information and the second information being used to determine a first reference signal resource of a first cell, the first reference signal resource being used for CSI measurement on the first cell, the first cell not being a serving cell of the terminal, and receiving a CSI report of the first cell transmitted by the terminal.

[0523] Optionally, the transceiver is configured to perform the steps related to "transmitting" and "receiving" performed by the network device in any of the above methods. Optionally, the network device can further include a processor configured to perform the steps related to "processing" performed by the network device in any of the above methods.

[0524] Figure 7A is a structural diagram of a communication device 7100. The communication device 7100 can be a network device (for example, an access network device, a core network device, etc.), a terminal (for example, a user equipment, etc.), a chip, a chip system, or a processor supporting the network device to implement any of the above methods, or a chip, a chip system, or a processor supporting the terminal to implement any of the above methods. The communication device 7100 can be used to implement the methods described in the above method embodiments, and details can be referred to the descriptions in the above method embodiments.

[0525] 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 special purpose processor, for example, a baseband processor or a central processing unit. The baseband processor can be used to process communication protocols and communication data, and the central processing unit can be used to control the communication device (for example, a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute programs, and process data of the programs. The processor 7101 is configured to invoke instructions to enable the communication device 7100 to perform any of the above methods.

[0526] In some embodiments, the communication device 7100 further includes one or more memories 7102 configured to store instructions. Optionally, all or part of the memory 7102 can also be outside the communication device 7100.

[0527] In some embodiments, the communication device 7100 further includes one or more transceivers 7103. When the communication device 7100 includes one or more transceivers 7103, the communication steps such as transmitting and receiving in the above methods are performed by the transceiver 7103, and the other steps are performed by the processor 7101.

[0528] In some embodiments, the transceiver can include a receiver and a transmitter, which can be separate or integrated together. Optionally, the terms transceiver, transceiving unit, transceiver, transceiving circuit, etc. can be replaced by each other, the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc. can be replaced by each other, and the terms receiver, receiving unit, sensing signal receiving end, receiving circuit, etc. can be replaced by each other.

[0529] Optionally, the communication device 7100 further includes one or more interface circuits 7104 connected with the memory 7102, which can be used to receive signals from the memory 7102 or other devices, and can be used to send signals to the memory 7102 or other devices. For example, the interface circuit 7104 can read the instructions stored in the memory 7102 and send the instructions to the processor 7101.

[0530] The communication device 7100 described in the above embodiments can be a network device or a terminal, but the scope of the communication device 7100 described in the present disclosure is not limited to this, and the structure of the communication device 7100 can not be limited by Figure 7a. The communication device can be a standalone device or can be part of a larger device. For example, the communication device can be: 1) a standalone integrated circuit (IC), or a chip, or a chip system or subsystem; (2) a set of one or more ICs, which can optionally also include storage components for storing data, programs; (3) an ASIC, such as a Modem; (4) a module that can be embedded in other devices; (5) a sensing signal receiving end, a terminal device, a smart terminal device, a cellular phone, a wireless device, a handset, a mobile unit, a vehicle-mounted device, a network device, a cloud device, an artificial intelligence device, etc.; (6) other devices, etc.

[0531] Figure 7B Figure 7b shows a structural schematic diagram of a chip 7200 according to an embodiment of the present disclosure. For the case where the communication device 7100 is a chip or a chip system, reference can be made to the structural schematic diagram of the chip 7200 shown in Figure 7b, but not limited thereto. Figure 7B

[0532] The chip 7200 includes one or more processors 7201, which are used to invoke instructions to enable the chip 7200 to perform any of the above methods.

[0533] ​In some embodiments, chip 7200 further includes one or more interface circuits 7202 connected to memory 7203, which can be used to receive signals from or send signals to memory 7203 or other devices. For example, interface circuit 7202 can read instructions stored in memory 7203 and send the instructions to processor 7201. Alternatively, the terms interface circuit, interface, transceiver pin, transceiver, etc. can be replaced by each other.

[0534] In some embodiments, chip 7200 further includes one or more memories 7203 for storing instructions. Alternatively, all or part of memory 7203 can be outside chip 7200.

[0535] The disclosure also proposes a storage medium, which stores instructions, and when the instructions run on communication device 7100, communication device 7100 performs any of the above methods. Alternatively, the storage medium is an electronic storage medium. Alternatively, the storage medium is a computer readable storage medium, but is not limited to this, and it can also be a storage medium readable by other devices. Alternatively, the storage medium can be a non-transitory storage medium, but is not limited to this, and it can also be a transitory storage medium.

[0536] The disclosure also proposes a program product, which is executed by communication device 7100, so that communication device 7100 performs any of the above methods. Alternatively, the program product is a computer program product.

[0537] The disclosure also proposes a computer program, which, when running on a computer, causes the computer to perform any of the above methods.

[0538] In the embodiments described above, all or part of the embodiments can be implemented by software, hardware, firmware or any combination thereof. When implemented by 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 programs are loaded on a computer and executed, all or part of the processes or functions described in the embodiments of the present disclosure are produced. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices. The computer programs can be stored in a computer readable storage medium or transferred from one computer readable storage medium to another computer readable storage medium, for example, the computer programs can be transferred from one website, computer, server or data center to another website, computer, server or data center through wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) mode. The computer readable storage medium can be any available medium accessible by a computer or a data storage device such as a server, data center, etc. integrated with one or more available media. The available media can be magnetic media (such as floppy disk, hard disk, magnetic tape), optical media (such as high-density digital video disc (digital video disc, DVD)), or semiconductor media (such as solid state disk (solid state disk, SSD)) and the like.

[0539] Those skilled in the art can appreciate that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware or a combination of computer software and electronic hardware. Whether the functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. A skilled person can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present disclosure.

[0540] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the above-described systems, devices and units can refer to the corresponding processes in the foregoing method embodiments, which will not be described here.

[0541] The above is only a specific implementation of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A communication method, characterized in that: Executed by the terminal, including: Performing channel state information (CSI) measurement on a first cell based on a first reference signal resource of a first cell, where the first cell is not a serving cell of the terminal; Send a CSI report of the first cell to a network device.

2. The method according to claim 1, characterized in that The method further comprises: receiving at least one of the first information and the second information sent by the network device; The first reference signal resource is determined according to at least one of the first information and the second information.

3. The method according to claim 1 or 2, characterized in that The first information is at least one of the following: CSI report configuration information; Report configuration information for L1 / L2 triggered mobility LTM-CSI.

4. The method according to any one of claims 1 to 3, characterized in that The first reference signal resource is at least one of the following reference signal resources: The first reference signal resource is a reference signal resource corresponding to the first cell; The first reference signal resource is a reference signal resource having a quasi co-location (QCL) relationship with a reference signal resource of the first cell.

5. The method according to any one of claims 1 to 4, characterized in that The CSI report of the first cell includes at least one of the following information: Precoding matrix identifier PMI; Rank identifier RI; Channel quality identifier CQI; Layer identifier LI; Channel State Information Reference Signal Resource Identifier CRI.

6. The method according to any one of claims 2 to 4, characterized in that The second information is used to indicate a CSI measurement configuration corresponding to at least one second cell; The first cell is determined from the second cells based on the second information.

7. The method according to claim 6, characterized in that The method further comprises: The second information is downlink control information DCI, and the DCI includes a first code point; Determining, from a first mapping relationship between code points and trigger states, a first trigger state having a mapping relationship with the first code point; From a second mapping relationship between trigger states and CSI measurement configurations, a first CSI measurement configuration that has a mapping relationship with the first trigger state is determined as the CSI measurement configuration corresponding to the at least one second cell.

8. The method according to claim 6, characterized in that The method further comprises: The second information is a media access control element MACCE, and the MACCE includes a first indication field; One or more bits in the first indication field correspond to a CSI report configuration identification ID, determine the first CSI report configuration ID corresponding to the bit whose bit value is the first value, and use the first CSI measurement configuration corresponding to the first CSI report configuration ID as the CSI measurement configuration corresponding to the at least one second cell.

9. The method according to claim 6, characterized in that The method further comprises: The second information indicates a CSI measurement configuration corresponding to a second cell, and the second cell is determined to be the first cell; or The second information indicates CSI measurement configurations corresponding to multiple second cells, and determines that the multiple second cells are all the first cell; or determines that some of the multiple second cells are the first cell.

10. The method according to claim 9, characterized in that The determining that some of the plurality of second cells are the first cells includes: determining beam qualities of the plurality of second cells, and determining N second cells with the strongest beam qualities as the part of the second cells, where N is a natural number greater than or equal to 1; or determining, among the plurality of second cells, second cells whose beam qualities are greater than a first set threshold value as the part of the second cells; or, Determine the beam quality of the serving cell of the terminal, and determine second cells among the multiple second cells whose beam quality is greater than the sum of the beam quality of the serving cell and the offset as the part of the second cells.

11. The method according to claim 10, characterized in that The determining the beam qualities of the plurality of second cells includes: The second cell corresponds to multiple beam qualities, and an optimal beam quality is determined from the multiple beam qualities as the beam quality of the second cell.

12. The method according to any one of claims 9 to 11, characterized in that The method further comprises: The identifiers of the part of the second cells are sent to the network device.

13. The method according to any one of claims 2 to 12, characterized in that The method further comprises: Sending a CSI report of the first cell to a network device corresponding to a serving cell of the terminal; or, Sending a CSI report of the first cell to a network device corresponding to the first cell; The serving cell is a cell that sends at least one of the first information and the second information.

14. The method according to claim 13, characterized in that The sending the CSI report of the first cell to the network device corresponding to the first cell includes: The CSI report of the first cell is sent to the network device corresponding to the first cell on the first physical uplink shared channel PUSCH during the process of the terminal connecting to the first cell.

15. The method according to claim 14, characterized in that The first PUSCH is one of the following PUSCHs: PUSCH including message 3 of the 4-step random access procedure; The PUSCH includes message A in the 2-step random access procedure.

16. The method according to any one of claims 1 to 15, characterized in that The first cell is one of a candidate cell, a neighboring cell or a target cell of the terminal.

17. A communication method, characterized in that: Performed by network devices, including: sending at least one of first information and second information to a terminal, where the at least one of the first information and the second information is used to determine a first reference signal resource of a first cell, where the first reference signal resource is used to perform CSI measurement on the first cell; the first cell is not a serving cell of the terminal; Receive a CSI report of the first cell sent by the terminal.

18. The method according to claim 17, characterized in that The first reference signal resource is one of the following reference signal resources: The first reference signal resource is a reference signal resource corresponding to the first cell; The first reference signal resource is a reference signal resource having a quasi co-location (QCL) relationship with a reference signal resource of the first cell.

19. The method according to claim 17 or 18, characterized in that The first information is one of the following: CSI report configuration information; Report configuration information for L1 / L2 triggered mobility LTM-CSI.

20. The method according to any one of claims 17 to 19, characterized in that The CSI report of the first cell includes at least one of the following information: PMI, RI, CQI, LI, and CRI.

21. The method according to any one of claims 17 to 20, characterized in that The method further comprises: Second information is sent to the terminal, where the second information is used to indicate a CSI measurement configuration corresponding to at least one second cell, and the first cell is a cell in the second cell.

22. The method according to claim 21, characterized in that The method further comprises: The second information is DCI, which is sent to the terminal. The DCI includes a first code point. The first code point is used to determine a first trigger state from a first mapping relationship between the code point and the trigger state. The first trigger state is used to determine the CSI measurement configuration of the second cell.

23. The method according to claim 21, characterized in that The method further comprises: The second information is a media access control element MACCE, which is sent to the terminal, and the MACCE includes a first indication field; One or more bits in the first indication field correspond to a CSI report configuration ID, and the bit whose value is the first value is used to determine the first CSI measurement configuration corresponding to the corresponding first CSI report configuration ID, and the first CSI measurement configuration is used to determine the CSI measurement configuration corresponding to the at least one second cell.

24. The method according to claim 21, characterized in that The second information indicates a CSI measurement configuration corresponding to a second cell, where the second cell is the first cell; or The second information indicates CSI measurement configurations corresponding to multiple second cells, where the multiple second cells are all the first cell; or, some of the multiple second cells are the first cell.

25. The method according to claim 24, characterized in that The part of the second cells are N second cells with the strongest beam quality among the multiple second cells, where N is a natural number greater than or equal to 1; or, The part of the second cells are the second cells whose beam quality is greater than the first set threshold value among the multiple second cells; or, The part of the second cells are second cells among the multiple second cells whose beam quality is greater than the sum of the beam quality of the serving cell and the offset.

26. The method according to claim 25, characterized in that The second cell corresponds to multiple beam qualities, and the best beam quality among the multiple beam qualities is the beam quality of the second cell.

27. The method according to any one of claims 24 to 26, characterized in that The method further comprises: Receive the identifiers of the part of the second cells sent by the terminal.

28. The method according to any one of claims 17 to 27, characterized in that The network device includes at least one of a network device corresponding to a serving cell of the terminal and a network device corresponding to the first cell, wherein the serving cell is a cell that sends at least one of the first information and the second information.

29. The method according to claim 28, characterized in that The method further comprises: The CSI report of the first cell is received on a first PUSCH in a process in which the terminal is connected to the first cell.

30. The method according to claim 29, wherein The first PUSCH is one of the following PUSCHs: PUSCH including message 3 of the 4-step random access procedure; The PUSCH includes message A in the 2-step random access procedure.

31. The method according to any one of claims 17 to 31, wherein: The first cell is one of a candidate cell, a neighboring cell or a target cell of the terminal.

32. A communication method, used in a communication system, wherein the communication system includes a terminal and a network device, the method comprising: The network device sends at least one of first information and second information to the terminal; The terminal receives at least one of the first information and the second information, and determines a first reference signal resource of a first cell according to at least one of the first information and the second information, where the first cell is not a serving cell of the terminal; performing, by the terminal, CSI measurement on the first cell according to the first reference signal resource; The terminal sends a CSI report of the first cell to the network device; The network device receives a CSI report of the first cell.

33. A terminal, characterized in that: include: a processing module, configured to perform channel state information (CSI) measurement on a first cell based on a first reference signal resource of the first cell, where the first cell is not a serving cell of the terminal; The transceiver module is used to send the CSI report of the first cell to the network device.

34. A network device, characterized in that: include: A transceiver module is used to send at least one of first information and second information to a terminal, where at least one of the first information and the second information is used to determine a first reference signal resource of a first cell, and the first reference signal resource is used to perform CSI measurement on the first cell; the first cell is not a serving cell of the terminal; and receive a CSI report of the first cell sent by the terminal.

35. A terminal, characterized in that: include: one or more processors; The terminal is used to execute the method according to any one of claims 1 to 16.

36. A network device, characterized in that: include: one or more processors; The network device is configured to execute the method according to any one of claims 17 to 31.

37. A communication system, characterized in that: The invention comprises a terminal and a network device, wherein the terminal is configured to implement the method according to any one of claims 1 to 16, and the network device is configured to implement the method according to any one of claims 17 to 31.

38. A storage medium storing instructions, characterized in that: When the instruction is executed on a communication device, the communication device is caused to execute the method according to any one of claims 1 to 16 or claims 17 to 31.

39. A program product, characterized in that The invention comprises a computer program which, when executed by a communication device, implements the method according to any one of claims 1 to 16 or claims 17 to 31.

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