Uplink transmission control method and terminal
An uplink transmission control method and a terminal are provided. The method includes: monitoring uplink cancellation signaling at a first moment; determining, according to the uplink cancellation signaling, whether to cancel corresponding uplink transmission, where an interval between the first moment and a second moment of sending the uplink transmission is greater than or equal to a preset time length, and the first moment is before the second moment.
1. An uplink transmission control method, applied to a terminal, comprising:
monitoring uplink cancellation signaling at a first moment; and
determining, according to the uplink cancellation signaling, whether to cancel corresponding uplink transmission, wherein
an interval between the first moment and a second moment of sending the uplink transmission is greater than or equal to a preset time length, and the first moment is before the second moment,
wherein, the method further comprises:
receiving first configuration information, wherein the first configuration information comprises a quantity of time units indicated by time domain;
determining a quantity of frequency units indicated by the uplink cancellation signaling according to the first configuration information and the uplink cancellation signaling,
wherein the quantity of frequency units satisfies that: Nf=└14/Nt┘, Nf is a quantity of frequency units in one frequency domain region, and the frequency domain region is a frequency range indicated by the uplink cancellation signaling, Nt is a quantity of time units in a monitoring period.
2. The method according to claim 1 , wherein the first configuration information further comprises:
a length of a time domain region, wherein the time domain region is a time range that uplink cancellation signaling is capable of indicating,
the length of the time domain region, the quantity of time units indicated by time domain, and the quantity of frequency units satisfy following relations:
the length of the
the quantity
the quantity of
time domain region
of time units
frequency units
2
2
7
2
1
14
4
2
7
4
1
14
7
7
2
7
2
7
7
1
14
14
14
1
14
7
2
14
2
7
14
1
14.
3. The method according to claim 1 , wherein the preset time length is a minimum processing time for the terminal to cancel the uplink transmission.
4. The method according to claim 1 , wherein before the monitoring uplink cancellation signaling at a first moment, the method further comprises:
receiving configuration information sent by a network device, wherein the configuration information is used for configuring a first physical downlink control channel (PDCCH) monitoring occasion, and the first PDCCH monitoring occasion is used for monitoring the uplink cancellation signaling at the first moment.
5. The method according to claim 1 , wherein the method further comprises:
monitoring, in a case that a first PDCCH monitoring occasion is not configured, the uplink cancellation signaling before the first moment, wherein the first PDCCH monitoring occasion is used for monitoring the uplink cancellation signaling at the first moment.
6. The method according to claim 5 , wherein the monitoring the uplink cancellation signaling before the first moment comprises any one of the following:
monitoring the uplink cancellation signaling at a second PDCCH monitoring occasion closest to the first moment, wherein the second PDCCH monitoring occasion is before the first moment;
monitoring the uplink cancellation signaling at one or more third PDCCH monitoring occasions, the third PDCCH monitoring occasion is a PDCCH monitoring occasion before the first moment; or
monitoring the uplink cancellation signaling at a PDCCH monitoring occasion between a third moment and the first moment, wherein the third moment is before the first moment.
7. The method according to claim 1 , further comprising:
cancelling the corresponding uplink transmission when a target moment is earlier than the first moment;
wherein the target moment is a moment for scheduling downlink control information (DCI) of the uplink transmission.
8. The method according to claim 1 , wherein the preset time length comprises N time units, wherein N is a positive integer; and the time unit comprises one of a slot, a subframe, a symbol, a sub-slot, or a symbol group.
9. A terminal, comprising: a memory, a processor, and a program stored on the memory and executable on the processor, wherein when executed by the processor, the program implements:
monitoring uplink cancellation signaling at a first moment; and
determining, according to the uplink cancellation signaling, whether to cancel corresponding uplink transmission, wherein
an interval between the first moment and a second moment of sending the uplink transmission is greater than or equal to a preset time length, and the first moment is before the second moment,
wherein, the program further implements:
receiving first configuration information, wherein the first configuration information comprises a quantity of time units indicated by time domain;
determining a quantity of frequency units indicated by the uplink cancellation signaling according to the first configuration information and the uplink cancellation signaling,
wherein the quantity of frequency units satisfies that: Nf=└14/Nt┘, Nf is a quantity of frequency units in one frequency domain region, and the frequency domain region is a frequency range indicated by the uplink cancellation signaling, Nt is a quantity of time units in a monitoring period.
10. The terminal according to claim 9 , wherein the first configuration information further comprises:
a length of a time domain region, wherein the time domain region is a time range that uplink cancellation signaling is capable of indicating,
the length of the time domain region, the quantity of time units indicated by time domain, and the quantity of frequency units satisfy following relations:
the length of the
the quantity
the quantity of
time domain region
of time units
frequency units
2
2
7
2
1
14
4
2
7
4
1
14
7
7
2
7
2
7
7
1
14
14
14
1
14
7
2
14
2
7
14
1
14.
11. The terminal according to claim 9 , wherein the preset time length is a minimum processing time for the terminal to cancel the uplink transmission.
12. The terminal according to claim 9 , wherein before the monitoring uplink cancellation signaling at a first moment, the program further implements:
receiving configuration information sent by a network device, wherein the configuration information is used for configuring a first physical downlink control channel (PDCCH) monitoring occasion, and the first PDCCH monitoring occasion is used for monitoring the uplink cancellation signaling at the first moment.
13. The terminal according to claim 9 , wherein the program further implements:
monitoring, in a case that a first PDCCH monitoring occasion is not configured, the uplink cancellation signaling before the first moment, wherein the first PDCCH monitoring occasion is used for monitoring the uplink cancellation signaling at the first moment.
14. The terminal according to claim 13 , wherein the monitoring the uplink cancellation signaling before the first moment comprises any one of the following:
monitoring the uplink cancellation signaling at a second PDCCH monitoring occasion closest to the first moment, wherein the second PDCCH monitoring occasion is before the first moment;
monitoring the uplink cancellation signaling at one or more third PDCCH monitoring occasions, the third PDCCH monitoring occasion is a PDCCH monitoring occasion before the first moment; or
monitoring the uplink cancellation signaling at a PDCCH monitoring occasion between a third moment and the first moment, wherein the third moment is before the first moment.
15. The terminal according to claim 9 , wherein the program further implements:
cancelling the corresponding uplink transmission when a target moment is earlier than the first moment;
wherein the target moment is a moment for scheduling downlink control information (DCI) of the uplink transmission.
16. The terminal according to claim 9 , wherein the preset time length comprises N time units, wherein N is a positive integer; and the time unit comprises one of a slot, a subframe, a symbol, a sub-slot, or a symbol group.
17. A non-transitory computer-readable storage medium, storing a computer program, wherein when executed by a processor, the computer program implements:
monitoring uplink cancellation signaling at a first moment; and
determining, according to the uplink cancellation signaling, whether to cancel corresponding uplink transmission, wherein
an interval between the first moment and a second moment of sending the uplink transmission is greater than or equal to a preset time length, and the first moment is before the second moment,
wherein, the computer program further implements:
receiving first configuration information, wherein the first configuration information comprises a quantity of time units indicated by time domain;
determining a quantity of frequency units indicated by the uplink cancellation signaling according to the first configuration information and the uplink cancellation signaling,
wherein the quantity of frequency units satisfies that: Nf=└14/Nt┘, Nf is a quantity of frequency units in one frequency domain region, and the frequency domain region is a frequency range indicated by the uplink cancellation signaling, Nt is a quantity of time units in a monitoring period.
18. The non-transitory computer-readable storage medium according to claim 17 , wherein the first configuration information further comprises:
a length of a time domain region, wherein the time domain region is a time range that uplink cancellation signaling is capable of indicating,
the length of the time domain region, the quantity of time units indicated by time domain, and the quantity of frequency units satisfy following relations:
the length of the
the quantity
the quantity of
time domain region
of time units
frequency units
2
2
7
2
1
14
4
2
7
4
1
14
7
7
2
7
2
7
7
1
14
14
14
1
14
7
2
14
2
7
14
1
14.
19. The non-transitory computer-readable storage medium according to claim 17 , wherein the preset time length is a minimum processing time for the terminal to cancel the uplink transmission.
20. The non-transitory computer-readable storage medium according to claim 17 , wherein before the monitoring uplink cancellation signaling at a first moment, the program further implements:
receiving configuration information sent by a network device, wherein the configuration information is used for configuring a first physical downlink control channel (PDCCH) monitoring occasion, and the first PDCCH monitoring occasion is used for monitoring the uplink cancellation signaling at the first moment.