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US 2018/0027597 A1Published application
Method and apparatus for uplink transmission in an unlicensed band
AssigneeLG Electronics Inc.
InventorsJoonkui AHN, Kijun KIM, Hanjun PARK, Seonwook KIM
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Abstract
A method and apparatus for uplink transmission in an unlicensed band are provided. The apparatus performs CCA from a start of the CCA in an unlicensed band to confirm whether a channel is idle or not. If the channel is idle or not, the apparatus transmits uplink data.
Claims13
A method for uplink transmission in an unlicensed band, the method comprising:
- determining, by a wireless device, a clear channel assessment (CCA) start within a CCA window to perform CCA in the unlicensed band;
- confirming, by the wireless device, whether a channel is idle by performing the CCA from the CCA start in the unlicensed band;
- and
- transmitting, by the wireless device, uplink data if the channel is idle.
1 more element
A device in a wireless communication system, the device comprising:
- a transceiver configured to transmit and receive a radio signal;
- and
- a processor operatively coupled to the transceiver and configured to:
- determine a clear channel assessment (CCA) start within a CCA window to perform CCA in the unlicensed band;
- confirm whether a channel is idle by performing the CCA from the CCA start in the unlicensed band;
- and
- transmit uplink data through the transceiver if the channel is idle.
4 more elements
Dependencies are inferred from the claim text.