System and method of distributed interference cancelation based on delayed channel gain information
Castanheira, D.
;
Silva, A.
;
Gameiro, A.
Instituto de Telecomunicações, Universidade de Aveiro
Invention Title: System and method of distributed interference cancelation based on delayed channel gain information
Patent Nr.: US16315710
Type: Patent
Regional Coverage: National
Grant Status: Granted
Priority Date: 07-07-2016
Filing Date: 21-12-2018
Granting Date: 12-11-2019
Tech Offer: Distributed interference cancellation based on outdated channel gain information
Abstract
The disclosure pertains to wireless communications and, more particularly, to the exploitation of channel gain information, advantageously where more than two transmitter/receiver pairs transmit information over a shared medium. The disclosure applies distributed interference compression (23) at the receivers (receiver 1 (8), . . . , receiver k (9), . . . , and receiver K (10)) and repetition coding (13) at the transmitters (transmitter 1 (1), . . . , transmitter k (2), . . . , transmitter K (3)). Repetition coding repeats the same symbol stream (11) several times and the distributed interference compression (23) reduces the number of interference retransmissions (15) required to obtain the interference free signal (26). The throughput achieved by previous solutions is limited to two symbols per time slot, whereas in the present disclosure throughput is enhanced and is proportional to the square root of the number of transmitter/receiver pairs considered.
