US Patent No. 10,117,261

DEVICE, NETWORK, AND METHOD FOR COMMUNICATIONS WITH CARRIER SENSING AND COEXISTENCE


Patent No. 10,117,261
Issue Date October 30, 2018
Title Device, Network, And Method For Communications With Carrier Sensing And Coexistence
Inventorship Jialing Liu, Palatine, IL (US)
Fei Teng, Evanston, IL (US)
Zhiyi Zhou, Evanston, IL (US)
Weimin Xiao, Hoffman Estates, IL (US)
Assignee Futurewei Technologies, Inc., Plano, TX (US)

Claim of US Patent No. 10,117,261

1. A method for wireless communications, comprising:sensing, by a second network element, a first reservation signal transmitted by a first network element in a sensing region of a frame communicated over a carrier, the first reservation signal being transmitted to reserve the carrier for transmission by the first network element, wherein the first network element and the second network element share the carrier and are from different operators;
determining, by the second network element, whether the carrier is available for transmission by the second network element by performing cancellation on sensed signals of the second network element to remove the first reservation signal from the sensed signals; and
transmitting, by the second network element, a second reservation signal in the sensing region of the frame to reserve the carrier for transmission by the second network element in response to determining that the carrier is available, the carrier being determined to be available when a power level of the sensed signal after the cancellation is performed is less than a threshold, wherein both the first network element and the second network element reserve the carrier for transmission.