US Patent No. 10,694,548

WIRELESS MESSAGE COLLISION AVOIDANCE WITH HIGH THROUGHPUT


Patent No. 10,694,548
Issue Date June 23, 2020
Title Wireless Message Collision Avoidance With High Throughput
Inventorship David E. Newman, Poway, CA (US)
R. Kemp Massengill, Palos Verdes, CA (US)
Assignee AUTONOMOUS ROADWAY INTELLIGENCE, LLC, Palos Verdes, CA (US)

Claim of US Patent No. 10,694,548

1. A system for wireless communication, comprising:a transmitter configured to transmit wireless messages;
a receiver configured to receive wireless messages;
a processor operably connected to the transmitter and the receiver; and
non-transient computer-readable media operably connected to the processor, containing instructions for causing the processor to perform a method comprising:
transmitting a wireless message while no interfering signals are detected;
then, if a confirmatory reply is not received within a predetermined interval, waiting a time period equal to the sum of a predetermined initial waiting interval plus a randomly selected delay within a predetermined initial contention window and then re-transmitting the wireless message;
then, if a confirmatory reply to the re-transmitted message is not received within a predetermined interval, waiting a predetermined second waiting interval plus a randomly selected delay within a predetermined second contention window, wherein the second waiting interval is shorter than the initial waiting interval, or the second contention window is shorter than the initial contention window; and
then, transmitting the wireless message.