Information transmission method, resource determination method and apparatuses
An information transmission method, a resource determination method and apparatuses thereof. The information transmission method includes: determining a second resource set by a second UE according to a first transmission priority; and transmitting assistance information by the second UE to a first UE, the assistance information including time frequency domain information of resources in the second resource set, and the second resource set being used by the first UE for determining a first candidate resource set for transmitting first sidelink data, wherein the first transmission priority is determined according to a priority of the first sidelink data transmitted by the first UE.
1 . An information transmission apparatus, applicable to a second UE, wherein the apparatus comprises:
a receiver configured to receive first sidelink control information transmitted by a first terminal equipment (UE), the first sidelink control information indicating a priority of first sidelink data transmitted by the first terminal equipment, the first sidelink control information being configured to trigger transmission of assistance information, wherein a transmission priority of the assistance information is pre-configured;
processor circuitry configured to:
determine a first transmission priority according to the priority of first sidelink data transmitted by the first terminal equipment, and
determine a second resource set according to the first transmission priority; and
a transmitter configured to transmit the assistance information to the first UE, the assistance information including time frequency domain information of resources in the second resource set, the second resource set being used by the first UE for determining a first candidate resource set for transmitting first sidelink data.
2 . The apparatus according to claim 1 , wherein the processor circuitry is further configured to determine the second resource set by using sensing detection.
3 . The apparatus according to claim 1 , wherein the first transmission priority is a priority of the first sidelink data transmitted by the first UE, or the transmitter is further configured to transmit the assistance information to a third UE, and the second resource set is further used by the third UE for determining a third candidate resource set for transmitting third sidelink data, wherein the first transmission priority is a higher priority of the priority of the first sidelink data transmitted by the first UE and a priority of the third sidelink data transmitted by the third UE.
4 . The apparatus according to claim 1 , wherein the processor circuitry is further configured to determine whether a part or all of PSSCH resources indicated by second SCI indicating a third reception priority are contained in the second resource set according to the first transmission priority and the third reception priority, and the processor circuitry is further configured to:
detect the second sidelink control information and measure a reference signal to which a PSCCH or PSSCH corresponding to the second sidelink control information corresponds to obtain an RSRP measurement result;
determine an RSRP threshold of a measurement resource according to the first transmission priority and the third reception priority indicated by the detected second SCI, and
compare the RSRP measurement result with the RSRP threshold, and contain all or a part of PSSCH resources indicated by the second SCI indicating the third reception priority in the second resource set when the second SCI is detected and a measurement result of the reference signal to which a PSCCH or PSSCH corresponding to the second sidelink control information corresponds is greater than the threshold, or contain all or a part of PSSCH resources indicated by the second SCI indicating the third reception priority in the second resource set when the second SCI is detected and a measurement result of the reference signal to which a PSCCH or PSSCH corresponding to the detected second SCI corresponds is less than the threshold.
5 . A resource determination apparatus, applicable to a first UE, wherein the apparatus comprises:
a transmitter configured to transmit first sidelink control information to a second terminal equipment (UE), the first sidelink control information being indicating a priority of first sidelink data transmitted by the first terminal equipment, the first sidelink control information being configured to trigger transmission of assistance information, wherein a transmission priority of the assistance information is pre-configured;
a receiver configured to receive the assistance information transmitted by the second UE; wherein the assistance information including time frequency domain information of resources in a second resource set, the second resource set being determined by the second UE according to a first transmission priority, the first transmission priority being determined according to a priority of first sidelink data transmitted by the first UE; and
processor circuitry configured to, according to the second resource set, determine a first candidate resource set for transmitting the first sidelink data.