US Patent No. 10,772,110

UNIVERSAL CHANNEL RESERVATION SIGNAL FOR MEDIUM SHARING


Patent No. 10,772,110
Issue Date September 08, 2020
Title Universal Channel Reservation Signal For Medium Sharing
Inventorship Xiaoxia Zhang, San Diego, CA (US)
Tamer Kadous, San Diego, CA (US)
Yongbin Wei, La Jolla, CA (US)
Zhifei Fan, San Diego, CA (US)
Jing Sun, San Diego, CA (US)
Aleksandar Damnjanovic, Del Mar, CA (US)
Bin Tian, San Diego, CA (US)
Assignee QUALCOMM Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,772,110

1. A method of wireless communication, comprising:detecting, by a wireless communication device of a first radio access technology (RAT), a channel reservation signal of a second RAT in a spectrum shared by the first RAT and the second RAT;
determining, by the wireless communication device based on a repeating waveform sequence of the channel reservation signal, whether the channel reservation signal indicates a first transmission opportunity (TXOP) duration or a second TXOP duration that is different from the first TXOP duration; and
carrying out, by the wireless communication device based on the determining, at least one of:
performing a backoff when the channel reservation signal indicates the first TXOP duration; or
continuing to monitor the spectrum when the channel reservation signal indicates the second TXOP duration.