US Patent No. 10,602,543

ASYNCHRONOUS CHANNEL RESERVATION DESIGN WITH PARTIAL SYMBOL ALIGNMENT


Patent No. 10,602,543
Issue Date March 24, 2020
Title Asynchronous Channel Reservation Design With Partial Symbol Alignment
Inventorship Jing Sun, San Diego, CA (US)
Xiaoxia Zhang, San Diego, CA (US)
Taesang Yoo, San Diego, CA (US)
Tamer Kadous, San Diego, CA (US)
Assignee QUALCOMM Incorporated, San Diego, CA (US)

Claim of US Patent No. 10,602,543

1. A method of wireless communication, comprising:performing, by a transmitter node, a listen before talk (LBT) procedure on a transmission channel shared by one or more synchronous or asynchronous network nodes;
transmitting, by the transmitter node, a fixed-length preamble in response to passing the LBT procedure;
transmitting, by the transmitter node, a dynamic length cyclic prefix after the preamble, wherein the dynamic length cyclic prefix includes a normal cyclic prefix plus a dynamic period; and
transmitting, by the transmitter node, a channel reservation message after the dynamic length cyclic prefix.