V2x communication performance method performed by v2x terminal in wireless communication system, and terminal using the method
AssigneeLG Electronics Inc.
InventorsSeungmin Lee, Hyukjin Chae
Life of this patent
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Abstract
The present invention provides a V2X communication performance method which is performed by a vehicle-to-X (V2X) terminal in a wireless communication system, and which is based on a relatively short transmission time interval (S-TTI) compared to a legacy transmission time interval (L-TTI), whereby a channel busy ratio (CBR) or a channel occupancy ratio (CR) for the S-TTI-based V2X communication is measured, and the S-TTI-based V2X communication is performed based on the measured CBR or CR, wherein the S-TTI has a variable length.
Claims7
1-11. (canceled)
A method for performing a vehicle to X (V2X) communication based on a short transmission time interval (S-TTI) shorter than a legacy transmission time interval (L-TTI) in a wireless communication system, the method performed by a V2X User Equipment (UE) and comprising:
- measuring a channel busy ratio (CBR) or a channel occupancy ratio (CR) for the V2X communication based on the S-TTI;
- and
- performing the V2X communication based on the S-TTI and either the measured CBR or the measured CR,
- wherein the S-TTI has a variable length,
- wherein the L-TTI corresponds to a plurality of the S-TTIs,
- wherein, when the V2X UE measures the CBR or the CR, the measurement is performed in a subchannel unit based on the S-TTI and a duration of the measurement is determined in S-TTI units, and
- wherein the V2X UE performs the V2X communication on a resource pool on which only V2X communications based on the S-TTI are existed.
A vehicle-to-X (V2X) User Equipment (UE) for performing a V2X communication based on a short transmission time interval (S-TTI) shorter than a legacy transmission time interval (L-TTI) in a wireless communication system, comprising:
- a transceiver for transmitting and receiving a radio signal;
- and
- a processor operating with being combined with the transceiver, wherein the processor is configured to:
- measure a channel busy ratio (CBR) or a channel occupancy ratio (CR) for the V2X communication based on the S-TTI;
- and
- perform the V2X communication based on the S-TTI and either the measured CBR or the measured CR,
- wherein the S-TTI has a variable length,
- wherein the L-TTI corresponds to a plurality of the S-TTIs,
- wherein, when the V2X UE measures the CBR or the CR, the measurement is performed in a subchannel unit based on the S-TTI and a duration of the measurement is determined in S-TTI units, and
- wherein the V2X UE performs the V2X communication on a resource pool on which only V2X communications based on the S-TTI are existed.
Dependencies are inferred from the claim text.