Communication method and apparatus
Communication methods and apparatuses are provided in this disclosure. One method includes: receiving, by a terminal device at time slot n, first downlink control information comprising a minimum slot offset value, wherein the minimum slot offset value is to be applied by the terminal device at time slot n+K, where K is a positive integer; receiving, by the terminal device at a time after the time slot n and before the time slot n+K, second downlink control information comprising the minimum slot offset value; and determining, by the terminal device, to apply the minimum slot offset value at the time slot n+K.
1. A communication method, wherein the method comprises:
receiving, by a terminal device at time slot n, first downlink control information comprising a minimum slot offset value, wherein the minimum slot offset value is to be applied by the terminal device at time slot n+K, where K is a positive integer;
receiving, by the terminal device at a time after the time slot n and before the time slot n+K, second downlink control information comprising the minimum slot offset value; and
determining, by the terminal device, to apply the minimum slot offset value received in the first downlink control information at the time slot n+K, wherein the minimum slot offset value is a minimum slot offset value of a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH), and wherein a slot offset value for receiving the corresponding PDSCH or the PUSCH is greater than the minimum slot offset value.
2. The method according to claim 1 , wherein K is a minimum slot offset value currently applied by the terminal device.
3. The method according to claim 1 , wherein K is determined based on a decoding time of a physical downlink control channel (PDCCH), and wherein the first downlink control information and second downlink control information are received via the PDCCH.
4. The method according to claim 1 , further comprising:
determining, by the terminal device, to apply a previously obtained minimum slot offset value before the time slot n+K.
5. A communication method, wherein the method comprises:
sending, at time slot n to a terminal device, first downlink control information comprising a minimum slot offset value, wherein the minimum slot offset value is to be applied by the terminal device at time slot n+K, where K is a positive integer; and
sending, at a time after the time slot n and before the time slot n+K to the terminal device, second downlink control information comprising the minimum slot offset value to be applied by the terminal device at the time slot n+K, wherein the minimum slot offset value is a minimum slot offset value of a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH), and wherein a slot offset value for receiving the corresponding PDSCH or the PUSCH is greater than the minimum slot offset value.
6. The method according to claim 5 , wherein K is a minimum slot offset value currently applied by the terminal device.
7. The method according to claim 5 , wherein K is determined based on a decoding time of a physical downlink control channel (PDCCH), and wherein the first downlink control information and second downlink control information are received via the PDCCH.
8. The method according to claim 5 , further comprising:
determining, by the terminal device, to apply a previously obtained minimum slot offset value before the time slot n+K.
9. A communications apparatus, wherein the apparatus is a terminal device that comprises:
at least one processor;
one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to:
receive first downlink control information comprising a minimum slot offset value, wherein the minimum slot offset value is to be applied by the communication apparatus at time slot n+K, where K is a positive integer;
receive, at a time after the time slot n and before the time slot n+K, second downlink control information comprising the minimum slot offset value; and
determine to apply the minimum slot offset value received in the first downlink control information at the time slot n+K, wherein the minimum slot offset value is a minimum slot offset value of a physical downlink shared channel (PDSCH) or a physical uplink shared channel PUSCH), and wherein a slot offset value for receiving the corresponding PDSCH or the PUSCH is greater than the minimum slot offset value.
10. The apparatus according to claim 9 , wherein K is a minimum slot offset value currently applied by the terminal device.
11. The apparatus according to claim 9 , wherein K is determined based on a decoding time of a physical downlink control channel (PDCCH), and wherein the first downlink control information and second downlink control information are received via the PDCCH.
12. The apparatus according to claim 9 , wherein the one or more memories further storing programming instructions for execution by the at least one processor to determine to apply a previously obtained minimum slot offset value before the time slot n+K.
13. A communications apparatus, wherein the apparatus comprises:
at least one processor;
one or more memories coupled to the at least one processor and storing programming instructions for execution by the at least one processor to:
send, at time slot n to a terminal device, first downlink control information comprising a minimum slot offset value, wherein the minimum slot offset value is to be applied by the terminal device at time slot n+K, where K is a positive integer; and
send, at a time after the time slot n and before the time slot n+K to the terminal device, second downlink control information comprising the minimum slot offset value to be applied by the terminal device at the time slot n+K, wherein the minimum slot offset value is a minimum slot offset value of a physical downlink shared channel (PDSCH) or a physical uplink shared channel (PUSCH), and wherein a slot offset value for receiving the corresponding PDSCH or the PUSCH is greater than the minimum slot offset value.
14. The communications apparatus according to claim 13 , wherein K is a minimum slot offset value currently applied by the terminal device.
15. The communications apparatus according to claim 13 , wherein K is determined based on a decoding time of a physical downlink control channel (PDCCH), and wherein the first downlink control information and second downlink control information are received via the PDCCH.
16. The communications apparatus according to claim 13 , wherein the one or more memories further storing programming instructions for execution by the at least one processor to determine to apply a previously obtained minimum slot offset value before the time slot n+K.