Method and apparatus for terminal self-reselecting resource based on priority in wireless communication system
First Claim
1. A method for reselecting a sidelink resource by a media access control (MAC) entity of a user equipment (UE) in a wireless communication system, the method comprising:
- selecting to configure a sidelink grant corresponding to transmissions of multiple MAC protocol data units (PDUs);
determining that there is data for a vehicle-to-everything (V2X) communication in a sidelink traffic channel (STCH);
determining that the configured sidelink grant cannot fulfil a latency requirement according to a ProSe per-packet priority (PPPP); and
reselecting the sidelink resource,wherein the MAC entity is configured by an upper layer to transmit based on sensing by using a resource pool.
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Abstract
Suggested is a novel condition for a media access control (MAC) entity in user equipment (UE) reselecting a sidelink resource in a wireless communication system. The MAC entity of the UE can reselect a sidelink resource when a configured sidelink grant does not satisfy a latency requirement according to ProSe per-packet priority (PPPP). More particularly, configuration is performed by an upper layer so that the MAC entity transmits on the basis of sensing using a resource pool; the MAC entity selects generation of a configured sidelink grant corresponding to transmission of a plurality of MAC protocol data units (PDU); and when data is available in a sidelink traffic channel (STCH) and the configured sidelink grant does not satisfy the latency requirement according to the PPPP, a sidelink resource is reselected.
16 Citations
15 Claims
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1. A method for reselecting a sidelink resource by a media access control (MAC) entity of a user equipment (UE) in a wireless communication system, the method comprising:
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selecting to configure a sidelink grant corresponding to transmissions of multiple MAC protocol data units (PDUs); determining that there is data for a vehicle-to-everything (V2X) communication in a sidelink traffic channel (STCH); determining that the configured sidelink grant cannot fulfil a latency requirement according to a ProSe per-packet priority (PPPP); and reselecting the sidelink resource, wherein the MAC entity is configured by an upper layer to transmit based on sensing by using a resource pool. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A user equipment (UE) in a wireless communication system, the UE comprising:
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a memory; a transceiver; and a processor, operably coupled to the memory and the transceiver, that; selects to configure a sidelink grant corresponding to transmissions of multiple media access control (MAC) protocol data units (PDUs); determines that there is data for a vehicle-to-everything (V2X) communication in a sidelink traffic channel (STCH); determines that the configured sidelink grant cannot fulfil a latency requirement according to a ProSe per-packet priority (PPPP); and reselects a sidelink resource, wherein a MAC entity of the UE is configured by an upper layer to transmit based on sensing by using a resource pool. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification