HARQ number determination method, network device, and terminal
View Patent ↗A method for determining a HARQ identifier includes determining, by a network device, a HARQ identifier of a transport block (TB) based on a first time domain resource sequence number of a current TB, a number of HARQ processes, a time domain period of a non-dynamic resource, and a HARQ identifier offset. The method also includes receiving, by the network device, the TB from a terminal on the non-dynamic resource according to the HARQ ID.
1. A method for determining a hybrid automatic repeat request (HARQ) identifier, the method comprising:
determining, by a network device, a HARQ identifier of a transport block (TB) based on a first time domain resource sequence number of a current TB, a number of HARQ processes, a time domain period of a non-dynamic resource, and a HARQ identifier offset; and
receiving, by the network device, the TB from a terminal on the non-dynamic resource according to the HARQ ID,
wherein the HARQ ID satisfies a formula, HARQ Process ID=[floor((t_temp-current_n)/T)] modulo B+Hoffset, and
wherein the HARQ Process ID is the HARQ ID of the TB, t represents a time domain resource sequence number of the TB, T represents a time domain resource period of the non-dynamic resource, (t_temp−current_n) is the first time domain resource sequence number, t_temp is a parameter obtained by converting t based on a specific time unit, current_n represents a number of transmission times of the TB, B represents the number of HARQ processes corresponding to the TB, floor represents rounding down and modulo represents modulo operation.
2. The method of claim 1 , wherein the first time domain resource sequence number of the TB is determined based on a time domain resource sequence number of the TB and a number of transmission times of the TB.
3. The method of claim 1 , wherein the method further comprises:
configuring the number of HARQ processes and time domain resource period of the non-dynamic resource.
4. The method of claim 1 , wherein the number of HARQ processes and time domain resource period of the non-dynamic resource are configured by RRC signaling.
5. A method for determining a HARQ identifier, the method comprising:
determining, by a terminal on a non-dynamic resource, a HARQ identifier of a transport block (TB) based on a first time domain resource sequence number of a current TB, a number of HARQ processes, a time domain period of a non-dynamic resource, and a HARQ identifier offset; and
sending, by the terminal, the TB according to the HARQ ID to a network device,
wherein the HARQ ID satisfies a formula, HARQ Process ID=[floor((t_temp-current_n)/T)] modulo B+Hoffset, and
wherein the HARQ Process ID is the HARQ ID of the TB, t represents a time domain resource sequence number of the TB, T represents a time domain resource period of the non-dynamic resource, (t_temp−current_n) is the first time domain resource sequence number, t_temp is a parameter obtained by converting t based on a specific time unit, current_n represents a number of transmission times of the TB, B represents the number of HARQ processes corresponding to the TB, floor represents rounding down and modulo represents modulo operation.
6. The method of claim 5 , wherein the first time domain resource sequence number of the TB is determined based on a time domain resource sequence number of the TB and a number of transmission times of the TB.
7. The method of claim 5 , further comprising: obtaining the number of HARQ processes and time domain resource period of the non-dynamic resource configured by the network device.
8. The method of claim 5 , wherein the number of HARQ processes and time domain resource period of the non-dynamic resource are configured by RRC signaling.
9. A terminal, comprising:
a communication interface;
a memory configured to store computer-executable instructions; and
one or more processors in communication with communication interface and the memory and configured to execute the computer-executable instructions to at least:
determine a HARQ identifier of a transport block (TB) based on a first time domain resource sequence number of a current TB, a number of HARQ processes, a time domain period of a non-dynamic resource, and a HARQ identifier offset; and
send, by the communication interface, the TB according to the HARQ ID to a network device,
wherein the HARQ ID satisfies a formula, HARQ Process ID=[floor((t_temp-current_n)/T)] modulo B+Hoffset, and
wherein the HARQ Process ID is the HARQ ID of the TB, t represents a time domain resource sequence number of the TB, T represents a time domain resource period of the non-dynamic resource, (t_temp−current_n) is the first time domain resource sequence number, t_temp is a parameter obtained by converting t based on a specific time unit, current_n represents a number of transmission times of the TB, B represents the number of HARQ processes corresponding to the TB, floor represents rounding down and modulo represents modulo operation.
10. The terminal of claim 9 , wherein the first time domain resource sequence number of the TB is determined based on a time domain resource sequence number of the TB and a number of transmission times of the TB.
11. The terminal of claim 9 , wherein the computer-executable instructions further cause the one or more processors to:
obtain the number of HARQ processes and time domain resource period of the non-dynamic resource configured by the network device.
12. The terminal of claim 9 , wherein the number of HARQ processes and a time domain resource period of the non-dynamic resource are configured by RRC signaling.
13. A network device, comprising:
a communication interface;
a memory configured to store computer-executable instructions; and
one or more processors in communication with communication interface and the memory and configured to execute the computer-executable instructions to at least:
determine a HARQ identifier of a transport block (TB) based on a first time domain resource sequence number of a current TB, a number of HARQ processes, a time domain period of a non-dynamic resource, and a HARQ identifier offset; and
receive, by the communication interface, the TB from a terminal on the non-dynamic resource according to the HARQ ID,
wherein the HARQ ID satisfies a formula, HARQ Process ID=[floor((t_temp-current_n)/T)] modulo B+Hoffset;
wherein the HARQ Process ID is the HARQ ID of the TB, t represents a time domain resource sequence number of the TB, T represents a time domain resource period of the non-dynamic resource, (t_temp−current_n) is the first time domain resource sequence number, t_temp is a parameter obtained by converting t based on a specific time unit, current_n represents a number of transmission times of the TB, B represents the number of HARQ processes corresponding to the TB, floor represents rounding down and modulo represents modulo operation.
14. The network device of claim 13 , wherein the first time domain resource sequence number of the TB is determined based on a time domain resource sequence number of the TB and a number of transmission times of the TB.
15. The network device of claim 13 , wherein the computer-executable instructions further cause the one or more processors to:
configure the number of HARQ processes and time domain resource period of the non-dynamic resource.
16. The network device of claim 13 , wherein the number of HARQ processes and a time domain resource period of the non-dynamic resource are configured by RRC signaling.