Transmission method, network device, and terminal
A transmission method, a network device, and a terminal are provided. The method includes: sending indication information, where the indication information includes a first indication, the first indication is used to indicate bit information of one or more bits to be monitored by a terminal, and the one or more bits to be monitored is at least one bit of downlink control information (DCI) on a physical downlink control channel (PDCCH).
1. A transmission method, applied to a network device and comprising:
sending indication information, wherein the indication information comprises a first indication, the first indication is used to indicate bit information of one or more bits to be monitored by a terminal, and the one or more bits to be monitored is at least one bit of downlink control information (DCI) on a physical downlink control channel (PDCCH).
2. The method according to claim 1 , wherein the bit information comprises the number of bits and/or positions of bits.
3. The method according to claim 1 , wherein the indication information further comprises a second indication, and the second indication is used to indicate at least one of the following:
the number of bits of the DCI;
the number of cyclic redundancy check (CRC) bits;
a radio network temporary identifier (RNTI); or,
a scrambling identifier (ID) for PDCCH coded bits.
4. The method according to claim 1 , wherein the indication information further comprises a third indication, and the third indication is used to indicate at least one of the following:
a search space for the PDCCH;
the number of physical downlink control channel candidates (PDCCH candidates) or a subset thereof;
an aggregation level; or,
a downlink control information format (DCI format).
5. The method according to claim 1 , wherein the indication information is transmitted by using at least one of system information, radio resource control (RRC) signaling, a medium access control-control element (MAC-CE), or the PDCCH.
6. The method according to claim 1 , wherein information transmitted on the PDCCH is used to indicate at least one of the following:
whether the terminal needs to perform PDCCH monitoring within a first discontinuous reception DRX on-duration, wherein the first DRX on-duration is a current DRX on-duration, or next M DRX on-durations after a current moment, and M is a positive integer;
the terminal to perform bandwidth part (BWP) switching;
the terminal to activate or deactivate an object, wherein the object is a cell group or a carrier group;
the terminal to stop PDCCH monitoring in a preset time period;
the terminal to switch between receive antennas;
a slot structure for the terminal group;
the terminal to trigger reporting of channel state information (CSI);
the terminal to trigger sending of a sounding reference signal (SRS);
the terminal to receive tracking reference signal (TRS);
the terminal to receive channel state information reference signal (CSI-RS);
the terminal to perform at least one of beam management (BM) measurement, radio link monitoring (RLM) measurement, or radio resource management (RRM) measurement;
at least one of a total duration of a channel occupancy time (COT) in a new radio unlicensed frequency band (NR-U), a remaining duration, or a channel access priority to the terminal;
a power control parameter for sending an uplink physical channel and/or physical signal by the terminal; or,
the terminal to activate different DRX configurations or search space configurations.
7. A network device, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein when the program is executed by the processor, the steps of the transmission method according to claim 1 are implemented.
8. A transmission method, applied to a terminal and comprising:
receiving indication information from a network device, wherein the indication information comprises a first indication, the first indication is used to indicate bit information of one or more bits to be monitored by a terminal, and the one or more bits to be monitored is at least one bit of downlink control information (DCI) on a physical downlink control channel (PDCCH); and
monitoring the one or more bits to be monitored.
9. The method according to claim 8 , wherein the bit information comprises the number of bits and/or positions of bits.
10. The method according to claim 8 , wherein the indication information further comprises a second indication, and the second indication is used to indicate at least one of the following:
the number of bits of the DCI;
the number of cyclic redundancy check (CRC) bits;
a radio network temporary identifier (RNTI); or,
a scrambling ID for PDCCH coded bits.
11. The method according to claim 8 , wherein the indication information further comprises a third indication, and the third indication is used to indicate at least one of the following:
a search space for the PDCCH;
the number of physical downlink control channel candidates (PDCCH candidates) to be monitored or a subset thereof;
an aggregation level; or,
a downlink control information format (DCI format).
12. The method according to claim 8 , wherein that the first indication is used to indicate bit information of one or more bits to be monitored by a terminal comprises:
the first indication is used to indicate bit information of one or more bits to be monitored by one terminal; or
the first indication is used to indicate bit information of one or more bits to be monitored by all terminals in one terminal group.
13. The method according to claim 8 , wherein the indication information is transmitted by using at least one of system information, radio resource control (RRC) signaling, a medium access control-control element (MAC-CE), or the PDCCH.
14. The method according to claim 8 , wherein information transmitted on the PDCCH is used to indicate at least one of the following:
whether the terminal needs to perform PDCCH monitoring within a first discontinuous reception (DRX) on-duration, wherein the first DRX on-duration is a current DRX on-duration, or next M DRX on-durations after a current moment, and M is a positive integer;
the terminal to perform bandwidth part (BWP) switching;
the terminal to activate or deactivate an object, wherein the object is a cell group or a carrier group;
the terminal to stop PDCCH monitoring in a preset time period;
the terminal to switch between receive antennas;
a slot structure for the terminal;
the terminal to trigger reporting of channel state information (CSI);
the terminal to trigger sending of a sounding reference signal (SRS);
the terminal to receive a tracking reference signal (TRS);
the terminal to receive a channel state information reference signal (CSI-RS);
the terminal to perform at least one of beam management (BM) measurement, radio link monitoring (RLM) measurement, or radio resource management (RRM) measurement;
at least one of a total duration of a channel occupancy time (COT) in a new radio interface unlicensed frequency band (NR-U), a remaining duration, or a channel access priority to the terminal;
a power control parameter for sending an uplink physical channel and/or physical signal by the terminal; or,
the terminal to activate different DRX configurations or search space configurations.
15. The method according to claim 14 , wherein when the one or more bits to be monitored comprise at least two bits to be monitored, a bit combination of the one or more bits to be monitored indicates that the corresponding terminal is to perform a first operation, wherein the first operation is an operation corresponding to the information transmitted on the PDCCH, and bit combinations correspond to terminals on a one-to-one basis, or bit combinations correspond to terminal groups on a one-to-one basis.
16. A terminal, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein when the program is executed by the processor, the steps of a transmission method are implemented, wherein the transmission method comprises:
receiving indication information from a network device, wherein the indication information comprises a first indication, the first indication is used to indicate bit information of one or more bits to be monitored by a terminal, and the one or more bits to be monitored is at least one bit of downlink control information (DCI) on a physical downlink control channel (PDCCH); and
monitoring the one or more bits to be monitored.
17. The terminal according to claim 16 , wherein the bit information comprises the number of bits and/or positions of bits.
18. The terminal according to claim 16 , wherein the indication information further comprises a second indication, and the second indication is used to indicate at least one of the following:
the number of bits of the DCI;
the number of cyclic redundancy check (CRC) bits;
a radio network temporary identifier (RNTI); or,
a scrambling ID for PDCCH coded bits.
19. The terminal according to claim 16 , wherein the indication information is transmitted by using at least one of system information, radio resource control (RRC) signaling, a medium access control-control element (MAC-CE), or the PDCCH.
20. The terminal according to claim 16 , wherein information transmitted on the PDCCH is used to indicate at least one of the following:
whether the terminal needs to perform PDCCH monitoring within a first discontinuous reception (DRX) on-duration, wherein the first DRX on-duration is a current DRX on-duration, or next M DRX on-durations after a current moment, and M is a positive integer;
the terminal to perform bandwidth part (BWP) switching;
the terminal to activate or deactivate an object, wherein the object is a cell group or a carrier group;
the terminal to stop PDCCH monitoring in a preset time period;
the terminal to switch between receive antennas;
a slot structure for the terminal;
the terminal to trigger reporting of channel state information (CSI);
the terminal to trigger sending of a sounding reference signal (SRS);
the terminal to receive a tracking reference signal (TRS);
the terminal to receive a channel state information reference signal (CSI-RS);
the terminal to perform at least one of beam management (BM) measurement, radio link monitoring (RLM) measurement, or radio resource management (RRM) measurement;
at least one of a total duration of a channel occupancy time (COT) in a new radio interface unlicensed frequency band (NR-U), a remaining duration, or a channel access priority to the terminal;
a power control parameter for sending an uplink physical channel and/or physical signal by the terminal; or,
the terminal to activate different DRX configurations or search space configurations.