Information quantization method, terminal device, and network device

1 . An information quantization method, performed by a terminal device, comprising:

determining a target-grouping quantization scheme;

grouping a channel state information (CSI) feedback information based on the target-grouping quantization scheme, wherein the CSI feedback information is divided into a plurality of groups for feedback by the target-grouping quantization scheme; and quantizing the CSI feedback information in each of the plurality of groups according to a corresponding quantization mode of each group;

wherein at least two of the plurality of groups are defined to correspond to different quantization modes.

2 . The method as claimed in claim 1 , wherein the determining a target-grouping quantization scheme, comprises:

receiving a first indication signaling from a network device; and

acquiring the target-grouping quantization scheme based on the first indication signaling.

3 . The method as claimed in claim 1 , wherein the determining a target-grouping quantization scheme, comprises:

receiving a second indication signaling from a network device;

acquiring n candidate grouping quantization schemes based on the second indication signaling, wherein the n is a positive integer greater than 1; and

determining the target-grouping quantization scheme from the n candidate grouping quantization schemes.

4 . The method as claimed in claim 3 , wherein the determining the target-grouping quantization scheme from the n candidate grouping quantization schemes comprises:

receiving a third indication signaling from the network device;

determining the target-grouping quantization scheme from the n candidate grouping quantization schemes based on the third indication signaling.

5 . The method as claimed in claim 2 , wherein the indication signaling comprises at least one of:

a broadcast message,

a system information block (SIB),

a radio resource control (RRC) message,

a RRC reconfiguration signaling,

downlink control information DCI,

a media access control (MAC)-control cell (CE),

a physical downlink control channel (PDCCH) order, and

data information.

6 . The method as claimed in claim 3 , further comprising:

transmitting a fourth indication signaling to the network device;

wherein the fourth indication signaling is configured to indicate the target-grouping quantization scheme from in the n candidate grouping quantization schemes.

7 . The method as claimed in claim 6 , wherein the fourth indication signaling comprises at least one of:

uplink control information (UCI),

a physical uplink control channel (PUCCH),

a RRC message, and

data information.

8 . The method as claimed in claim 1 , wherein the target-grouping quantization scheme comprises at least one of:

feedback mode information for each group and feedback parameter information for each group.

9 . The method as claimed in claim 8 , wherein the feedback mode information comprises at least one of:

uniform quantization and non-uniform quantization.

10 . The method as claimed in claim 8 , wherein the feedback parameter information comprises at least one of:

quantization bit,

quantization granularity, and

quantization range.

11 . A terminal device, comprising:

a processor; and

a memory for storing at least one instruction that when executed by the processor causes the terminal device to interact with a network device to determine a target-grouping quantization scheme;

group channel state information (CSI) feedback information based on the target-grouping quantization scheme, wherein the CSI feedback information is divided into a plurality of groups for feedback by the target-grouping quantization scheme; and quantize the CSI feedback information in each of the plurality of groups according to a corresponding quantization mode of each group;

wherein at least two of the plurality of groups are defined to correspond to different quantization modes.

12 . The terminal device as claimed in claim 11 , wherein indication signaling transmitted by the network device comprises at least one of:

a broadcast message,

a system information block (SIB),

a radio resource control (RRC) message,

a RRC reconfiguration signaling,

downlink control information DCI,

a media access control (MAC)-control cell (CE),

a physical downlink control channel (PDCCH) order, and

data information.

13 . The terminal device as claimed in claim 11 , wherein the processor is configured to execute the at least one instruction to cause the terminal device to:

receive a second indication signaling transmitted by the network device;

acquire n candidate grouping quantization schemes based on the second indication signaling; wherein the n is a positive integer greater than 1;

determine the target-grouping quantization scheme from the n candidate grouping quantization schemes; and

transmit a fourth indication signaling to the network device; wherein the fourth indication signaling is configured to indicate the target-grouping quantization scheme in the n candidate grouping quantization schemes.

14 . The terminal device as claimed in claim 11 , wherein the target-grouping quantization scheme comprises at least one of:

feedback mode information for each group and feedback parameter information for each group.

15 . A network device, comprising:

a processor; and

a memory for storing at least one instruction that, when executed by the processor causes the network device to interact with a terminal device to determine a target-grouping quantization scheme;

wherein the target-grouping quantization scheme is configured for the terminal device to; group a channel state information (CSI) feedback information, wherein the CSI feedback information is divided into a plurality of groups for feedback by the target-grouping quantization scheme; and quantize the CSI feedback information in each of the plurality of groups according to a corresponding quantization mode of each group; wherein at least two of the plurality of groups are defined to correspond to different quantization modes.

16 . The network device as claimed in claim 15 , wherein the processor is configured to execute the at least one instruction to cause the network device to:

transmit a second indication signaling to the terminal device; wherein the second indication signaling is configured to indicate n candidate grouping quantization schemes, and the n is a positive integer greater than 1; and

determine the target-grouping quantization scheme from the n candidate grouping quantization schemes.

17 . The network device as claimed in claim 16 , wherein the processor is configured to execute the at least one instruction to cause the network device to:

transmit a third indication signaling to the terminal device; wherein the third indication signaling is configured to indicate the target-grouping quantization scheme in the n candidate grouping quantization schemes.

18 . The network device as claimed in claim 16 , wherein the processor is configured to execute the at least one instruction to cause the network device to:

receive a fourth indication signaling transmitted by the terminal device; and

determine the target-grouping quantization scheme from the n candidate grouping quantization schemes based on the fourth indication signaling;

wherein the fourth indication signaling comprises at least one of uplink control information (UCI), a physical uplink control channel (PUCCH), a RRC message, and data information.

19 . The network device as claimed in claim 15 , wherein the target-grouping quantization scheme comprises at least one of

feedback mode information for each group and feedback parameter information for each group.

20 . The network device as claimed in claim 19 , wherein the feedback parameter information comprises at least one of:

quantization bit,

quantization granularity, and

quantization range.