Feedback information transmission method and apparatus, and device and storage medium
A feedback information transmission method can include: selecting a basic sequence according to an information item of sidelink communication; generating feedback information of the sidelink communication according to the basic sequence; and transmitting the feedback information to a second terminal.
1. A feedback information transmission method, being applied in a first terminal and comprising:
selecting a basic sequence according to an information item of sidelink communication;
generating feedback information of the sidelink communication according to the basic sequence; and
transmitting the feedback information to a second terminal;
wherein selecting the basic sequence according to the information item of the sidelink communication comprises:
generating a first identity according to the information item of the sidelink communication;
performing the first identity mod n to obtain a group number of the basic sequence, the n being a group number of candidate basic sequences; and
selecting the basic sequence according to the group number; and
wherein selecting the basic sequence according to the group number comprises:
selecting a first basic sequence when the basic sequence corresponding to the group number comprises the first basic sequence;
selecting the first basic sequence, or selecting a second basic sequence when the basic sequence corresponding to the group number comprises the first basic sequence and the second basic sequence; or
generating a pseudo-random number when the basic sequence corresponding to the group number comprises a first basic sequence and a second basic sequence; and selecting the first basic sequence or the second basic sequence according to the pseudo-random number.
2. The feedback information transmission method according to claim 1 , wherein the information item of the sidelink communication comprises at least one of the following information items:
a source ID of sidelink unicast communication;
a source ID of sidelink multicast communication;
a destination ID of the sidelink unicast communication;
a destination ID of the sidelink multicast communication;
a part of bit fields, bit fields or a combination of bit fields of Sidelink Control Information (SCI) of the sidelink unicast communication;
a part of bit fields, bit fields or a combination of bit fields of SCI of the sidelink multicast communication;
location information of a time-frequency resource used for SCI transmission of the sidelink unicast communication;
location information of a time-frequency resource used for SCI transmission of the sidelink multicast communication;
location information of a time-frequency resource used for data transmission of the sidelink unicast communication;
location information of a time-frequency resource used for data transmission of the sidelink multicast communication;
a physical layer parameter used for the SCI transmission of the sidelink unicast communication;
a physical layer parameter used for the SCI transmission of the sidelink multicast communication;
a physical layer parameter used for the data transmission of the sidelink unicast communication; and
a physical layer parameter used for the data transmission of the sidelink multicast communication.
3. The feedback information transmission method according to claim 2 , wherein the physical layer parameter used for the data transmission comprises at least one of the following parameters:
a sequence number of a Demodulation Reference Signal (DMRS) for the data transmission; and
a time-frequency resource mapping format of the DMRS for the data transmission.
4. The feedback information transmission method according to claim 1 , wherein generating the pseudo-random number comprises:
initializing a pseudo-random sequence by adopting the first identity or a second identity to obtain an initialized pseudo-random sequence;
generating a sequence number according to a time domain unit in which the feedback information is located;
generating the pseudo-random number according to the sequence number and the initialized pseudo-random sequence; and
the second identity being different from the first identity.
5. A feedback information transmission method, being applied in a second terminal and comprising:
selecting a basic sequence according to an information item of sidelink communication; and
receiving feedback information of the sidelink communication transmitted by a first terminal according to the basic sequence;
wherein selecting the basic sequence according to the information item of the sidelink communication comprises:
generating a first identity according to the information item of the sidelink communication;
performing the first identity mod n to obtain a group number of the basic sequence, the n being a group number of candidate basic sequences; and
selecting the basic sequence according to the group number; and
wherein selecting the basic sequence according to the group number comprises:
selecting a first basic sequence when the basic sequence corresponding to the group number comprises the first basic sequence;
selecting the first basic sequence, or selecting a second basic sequence when the basic sequence corresponding to the group number comprises the first basic sequence and the second basic sequence; or
generating a pseudo-random number when the basic sequence corresponding to the group number comprises a first basic sequence and a second basic sequence; and selecting the first basic sequence or the second basic sequence according to the pseudo-random number.
6. The feedback information transmission method according to claim 5 , wherein the information item of the sidelink communication comprises at least one of the following information items:
a source ID of sidelink unicast communication;
a source ID of sidelink multicast communication;
a destination ID of the sidelink unicast communication;
a destination ID of the sidelink multicast communication;
a part of bit fields, bit fields or a combination of bit fields of Sidelink Control Information (SCI) of the sidelink unicast communication;
a part of bit fields, bit fields or a combination of bit fields of SCI of the sidelink multicast communication;
location information of a time-frequency resource used for SCI transmission of the sidelink unicast communication;
location information of a time-frequency resource used for SCI transmission of the sidelink multicast communication;
location information of a time-frequency resource used for data transmission of the sidelink unicast communication;
location information of a time-frequency resource used for data transmission of the sidelink multicast communication;
a physical layer parameter used for the SCI transmission of the sidelink unicast communication;
a physical layer parameter used for the SCI transmission of the sidelink multicast communication;
a physical layer parameter used for the data transmission of the sidelink unicast communication; and
a physical layer parameter used for the data transmission of the sidelink multicast communication.
7. The feedback information transmission method according to claim 6 , wherein the physical layer parameter used for the SCI transmission comprises at least one of the following parameters:
a sequence number of a Demodulation Reference Signal (DMRS) for the SCI transmission;
a time-frequency resource mapping format of the DMRS for the SCI transmission; and
a bit length of the SCI.
8. The feedback information transmission method according to claim 6 , wherein the physical layer parameter used for the data transmission comprises at least one of the following parameters:
a sequence number of a Demodulation Reference Signal (DMRS) for the data transmission; and
a time-frequency resource mapping format of the DMRS for the data transmission.
9. The feedback information transmission method according claim 5 , wherein generating the pseudo-random number comprises:
initializing a pseudo-random sequence by adopting the first identity or a second identity to obtain an initialized pseudo-random sequence;
generating a sequence number according to a time domain unit in which the feedback information is located;
generating the pseudo-random number according to the sequence number and the initialized pseudo-random sequence; and
the second identity being different from the first identity.
10. A feedback information transmission method, comprising:
receiving configuration information of an access network device, wherein the configuration information is generated according to information items of sidelink communication;
determining a basic sequence according to the configuration information;
generating feedback information of sidelink communication according to the basic sequence; and
transmitting or receiving the feedback information;
wherein determining the basic sequence according to the configuration information comprises:
generating a first identity according to the information items of the sidelink communication;
performing the first identity mod n to obtain a group number of the basic sequence, the n being a group number of candidate basic sequences; and
selecting the basic sequence according to the group number; and
wherein selecting the basic sequence according to the group number comprises:
selecting a first basic sequence when the basic sequence corresponding to the group number comprises the first basic sequence;
selecting the first basic sequence, or selecting a second basic sequence when the basic sequence corresponding to the group number comprises the first basic sequence and the second basic sequence; or
generating a pseudo-random number when the basic sequence corresponding to the group number comprises a first basic sequence and a second basic sequence; and selecting the first basic sequence or the second basic sequence according to the pseudo-random number.
11. A terminal, comprising:
a processor;
a transceiver connected to the processor; and
wherein the processor is configured to load and execute executable instructions to implement the feedback information transmission method of claim 1 .
12. A non-transitory computer-readable storage medium for storing at least one at least one instruction, at least one program, a code set or an instruction set, wherein the at least one instruction, at least one program, code set or instruction set is loaded and executed by a processor to implement the feedback information transmission method of claim 1 .
13. A terminal, comprising:
a processor;
a transceiver connected to the processor; and
wherein the processor is configured to load and execute executable instructions to implement the feedback information transmission method of claim 5 .
14. A non-transitory computer-readable storage medium for storing at least one at least one instruction, at least one program, a code set or an instruction set, wherein the at least one instruction, at least one program, code set or instruction set is loaded and executed by a processor to implement the feedback information transmission method of claim 5 .