Transmission control method under time domain resource collision, and, apparatus, terminal, and readable storage medium
A transmission control method includes in a case that a resource collision exists between uplink transmission and downlink transmission of a terminal in time domain, obtaining, by the terminal, target information; and performing, by the terminal, a corresponding terminal behavior based on the target information, where the terminal is a terminal having an HD-FDD capability, and the target information includes at least one of the following: a configuration of a base station or a processing capability of the terminal.
1 . A transmission control method, comprising:
in a case that a resource collision exists between uplink transmission and downlink transmission of a terminal in time domain, obtaining, by the terminal, target information; and
performing, by the terminal, a corresponding terminal behavior based on the target information, wherein
the target information comprises at least one of following: a configuration of a base station or a processing capability of the terminal; and the terminal is a terminal having a half-duplex frequency division duplex (HD-FDD) capability; wherein
in a case that the downlink transmission comprises a synchronization signal and physical broadcast channel block (SSB) indicated by the base station for the terminal by using a ssb-PositionsInBurst in system information block (SIB1), receiving, by the terminal, the SSB, and skipping performing the uplink transmission; otherwise, skipping receiving, by the terminal, the SSB, wherein
the uplink transmission comprises any one of following: a physical random access channel (PRACH) triggered by physical downlink control channel (PDCCH) order, and uplink transmission configured by higher layer semi-persistent signaling;
or
in a case that the uplink transmission comprises the PRACH triggered by PDCCH order, preferentially receiving, by the terminal, a SSB; the SSB comprises that the SSB indicate to the terminal via ssb-PositionsInBurst in SIB1;
or
depending on implementation of the terminal, determining, by the terminal, to transmit the uplink transmission or receive the downlink transmission; wherein the uplink transmission comprises: valid RACH occasion (RO) for the PRACH, and the downlink transmission comprises: downlink transmission dynamically scheduled by a downlink control information (DCI) format.
2 . The method according to claim 1 , wherein the PRACH comprises a first-part PRACH and a second-part PRACH, wherein
the first-part PRACH comprises symbols of the PRACH in a target time period;
duration of the target time period is target duration, and the target duration is Tproc,2;
a start point of the target time period is a last symbol of a target CORESET;
the target CORESET comprises either of following: a CORESET in which a downlink symbol or a flexible symbol indicated by a DCI format detected by the terminal is located and a CORESET in which downlink transmission scheduled by a DCI format detected by the terminal is located; and
the second-part PRACH comprises: a PRACH part other than the first-part PRACH in the PRACH.
3 . The method according to claim 2 , wherein the terminal does not indicate support for a partial cancellation capability; and
the performing, by the terminal, a corresponding terminal behavior based on the target information comprises:
if the terminal meets a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission; or
if the terminal meets a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and skipping transmitting the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission, wherein
that the terminal meets a timeline for canceling entire uplink transmission comprises: a difference between a time when the terminal transmits a first symbol of the PRACH and a time when the terminal detects the last symbol of the target CORESET is greater than or equal to the target duration.
4 . The method according to claim 2 , wherein the terminal indicates support for a partial cancellation capability; and
the performing, by the terminal, a corresponding terminal behavior based on the target information comprises:
if the terminal meets a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal does not meet a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and canceling transmission of the second-part PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal meets a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal does not meet a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the second-part PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission, wherein
that the terminal meets a timeline for canceling entire uplink transmission comprises: a difference between a time when the terminal transmits a first symbol of the PRACH and a time when the terminal detects the last symbol of the target CORESET is greater than or equal to the target duration.
5 . The method according to claim 1 , wherein
the terminal does not expect that a resource overlap of at least one symbol exists between the PRACH triggered by the PDCCH order and the SSB.
6 . A terminal, comprising a processor, a memory, and a program or instructions stored in the memory and executable on the processor, wherein the program or instructions, when executed by the processor, causes the terminal to perform:
in a case that a resource collision exists between uplink transmission and downlink transmission of a terminal in time domain, obtaining, by the terminal, target information; and
performing, by the terminal, a corresponding terminal behavior based on the target information, wherein
the target information comprises at least one of following: a configuration of a base station or a processing capability of the terminal; and the terminal is a terminal having an HD-FDD capability; wherein
in a case that the downlink transmission comprises a synchronization signal and physical broadcast channel block (SSB) indicated by the base station for the terminal by using a ssb-PositionsInBurst in system information block (SIB1), receiving, by the terminal, the SSB, and skipping performing the uplink transmission; otherwise, skipping receiving, by the terminal, the SSB, wherein
the uplink transmission comprises any one of following: a physical random access channel (PRACH) triggered by physical downlink control channel (PDCCH) order, and uplink transmission configured by higher layer semi-persistent signaling;
or
in a case that the uplink transmission comprises the PRACH triggered by PDCCH order, preferentially receiving, by the terminal, a SSB; the SSB comprises that the SSB indicate to the terminal via ssb-PositionsInBurst in SIB1;
or
depending on implementation of the terminal, determining, by the terminal, to transmit the uplink transmission or receive the downlink transmission; wherein the uplink transmission comprises: valid RACH occasion (RO) for the PRACH, and the downlink transmission comprises: downlink transmission dynamically scheduled by a downlink control information (DCI) format.
7 . The terminal according to claim 6 , wherein the PRACH comprises a first-part PRACH and a second-part PRACH, wherein
the first-part PRACH comprises symbols of the PRACH in a target time period;
duration of the target time period is target duration, and the target duration is Tproc,2;
a start point of the target time period is a last symbol of a target CORESET;
the target CORESET comprises either of following: a CORESET in which a downlink symbol or a flexible symbol indicated by a DCI format detected by the terminal is located and a CORESET in which downlink transmission scheduled by a DCI format detected by the terminal is located; and
the second-part PRACH comprises: a PRACH part other than the first-part PRACH in the PRACH.
8 . The terminal according to claim 7 , wherein the terminal does not indicate support for a partial cancellation capability; and
the program or instructions, when executed by the processor, causes the terminal to perform:
if the terminal meets a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission; or
if the terminal meets a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and skipping transmitting the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission, wherein
that the terminal meets a timeline for canceling entire uplink transmission comprises: a difference between a time when the terminal transmits a first symbol of the PRACH and a time when the terminal detects the last symbol of the target CORESET is greater than or equal to the target duration.
9 . The terminal according to claim 7 , wherein the terminal indicates support for a partial cancellation capability; and
the program or instructions, when executed by the processor, causes the terminal to perform:
if the terminal meets a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal does not meet a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and canceling transmission of the second-part PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal meets a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal does not meet a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the second-part PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission, wherein
that the terminal meets a timeline for canceling entire uplink transmission comprises: a difference between a time when the terminal transmits a first symbol of the PRACH and a time when the terminal detects the last symbol of the target CORESET is greater than or equal to the target duration.
10 . The terminal according to claim 6 , wherein
the terminal does not expect that a resource overlap of at least one symbol exists between the PRACH triggered by the PDCCH order and the SSB.
11 . A non-transitory readable storage medium, wherein the non-transitory readable storage medium stores a program or instructions, and the program or instructions, when executed by a processor of a terminal, causes the terminal to perform:
in a case that a resource collision exists between uplink transmission and downlink transmission of a terminal in time domain, obtaining, by the terminal, target information; and
performing, by the terminal, a corresponding terminal behavior based on the target information, wherein
the target information comprises at least one of following: a configuration of a base station or a processing capability of the terminal; and the terminal is a terminal having an HD-FDD capability; wherein
in a case that the downlink transmission comprises a synchronization signal and physical broadcast channel block (SSB) indicated by the base station for the terminal by using a ssb-PositionsInBurst in system information block (SIB1), receiving, by the terminal, the SSB, and skipping performing the uplink transmission; otherwise, skipping receiving, by the terminal, the SSB, wherein
the uplink transmission comprises any one of following: a physical random access channel PRACH) triggered by physical downlink control channel (PDCCH) order, and uplink transmission configured by higher layer semi-persistent signaling;
or
in a case that the uplink transmission comprises the PRACH triggered by PDCCH order, preferentially receiving, by the terminal, a SSB; the SSB comprises that the SSB indicate to the terminal via ssb-PositionsInBurst in SIB1;
or
depending on implementation of the terminal, determining, by the terminal, to transmit the uplink transmission or receive the downlink transmission; wherein the uplink transmission comprises: valid RACH occasion (RO) for the PRACH, and the downlink transmission comprises: downlink transmission dynamically scheduled by a downlink control information (DCI) format.
12 . The non-transitory readable storage medium according to claim 11 , wherein the PRACH comprises a first-part PRACH and a second-part PRACH, wherein
the first-part PRACH comprises symbols of the PRACH in a target time period;
duration of the target time period is target duration, and the target duration is Tproc,2;
a start point of the target time period is a last symbol of a target CORESET;
the target CORESET comprises either of the following: a CORESET in which a downlink symbol or a flexible symbol indicated by a DCI format detected by the terminal is located and a CORESET in which downlink transmission scheduled by a DCI format detected by the terminal is located; and
the second-part PRACH comprises: a PRACH part other than the first-part PRACH in the PRACH.
13 . The non-transitory readable storage medium according to claim 12 , wherein the terminal does not indicate support for a partial cancellation capability; and
the program or instructions, when executed by the processor, causes the terminal to perform:
if the terminal meets a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission; or
if the terminal meets a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and skipping transmitting the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission, wherein
that the terminal meets a timeline for canceling entire uplink transmission comprises: a difference between a time when the terminal transmits a first symbol of the PRACH and a time when the terminal detects the last symbol of the target CORESET is greater than or equal to the target duration.
14 . The non-transitory readable storage medium according to claim 12 , wherein the terminal indicates support for a partial cancellation capability; and
the program or instructions, when executed by the processor, causes the terminal to perform:
if the terminal meets a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal does not meet a timeline for canceling entire uplink transmission, skipping receiving, by the terminal, the downlink transmission, and canceling transmission of the second-part PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal meets a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission;
or
if the terminal does not meet a timeline for canceling entire uplink transmission, receiving, by the terminal, the downlink transmission, and canceling transmission of the second-part PRACH; otherwise, skipping receiving, by the terminal, the downlink transmission, wherein
that the terminal meets a timeline for canceling entire uplink transmission comprises: a difference between a time when the terminal transmits a first symbol of the PRACH and a time when the terminal detects the last symbol of the target CORESET is greater than or equal to the target duration.
15 . The non-transitory readable storage medium according to claim 11 , wherein
the terminal does not expect that a resource overlap of at least one symbol exists between the PRACH triggered by the PDCCH order and the SSB.