System and method for using SIC to solve WiFi collisions

摘要

An embodiment method of collision resolution includes receiving a frame A and a colliding frame B. The frame A and the colliding frame B are received over a channel and overlap in time. The method also includes decoding the frame A. The method also includes recovering and decoding the colliding frame B, at least partially, using successive interference cancellation (SIC).

主权项

1. A method of collision resolution, comprising:
receiving a frame A from a first station and a colliding frame B from a second station, wherein the frame A and the colliding frame B are received over a channel and overlap in time; decoding the frame A; recovering and decoding the colliding frame B, at least partially, using successive interference cancellation (SIC); sending a first acknowledgment (ACK) to the first station, wherein the first ACK includes a delayed ACK; receiving, from the first station, a message indicating the delayed ACK can be tolerated; and sending a second ACK to the second station before the sending the first ACK, when the colliding frame B is completely decoded.