US Patent No. 10,798,739

ENHANCED LAA TRANSCEIVER WITH AID OF CARRIER SENSING FROM WIFI


Patent No. 10,798,739
Issue Date October 06, 2020
Title Enhanced Laa Transceiver With Aid Of Carrier Sensing From Wifi
Inventorship Tianyan Pu, Cupertino, CA (US)
Prateek Sharma, San Jose, CA (US)
Sami M. Almalfouh, San Jose, CA (US)
Ping Wang, San Jose, CA (US)
Wei Zhang, Santa Clara, CA (US)
Sreevalsan Vallath, Dublin, CA (US)
Assignee Apple Inc., Cupertino, CA (US)

Claim of US Patent No. 10,798,739

1. A method, comprising:at a user equipment (“UE”) operating in a carrier aggregation mode and connected to a first cell operating on a licensed band and a second cell operating on an unlicensed band, wherein the UE comprises an Industrial, Scientific, and Medical (ISM) chip and a cellular chip:
performing a carrier sensing operation on the unlicensed band;
determining, from the carrier sensing operation, a duration that the unlicensed band will be occupied;
refraining from transmitting data to the second cell on the unlicensed band for the duration that the unlicensed band will be occupied; and
setting a transmitter in communication with the second cell to a low power mode for the duration that the unlicensed band will be occupied, wherein the cellular chip sets the transmitter to the low power mode for the duration.