Full-diversity partial interference cancellation for multi-user wireless relaying networks

M. T O El Astal, Amr Ismail, Mohamed-Slim Alouini, Jan Corné Olivier

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations


We focus on the uplink channel of multi-user wireless relaying networks in a coverage extension scenario. The network consists of two users, a single half duplex (HD) relay and a destination, all equipped with multiple antennas. Perfect channel state information (CSI) is assumed to be available exclusively at the receiving nodes (i.e., the relay and the destination) while the users are assumed to be completely blind. The communication through the considered network takes place over two phases. During the first phase, both users send their information concurrently to the relay. The second phase consists of decoding the received data and forwarding it simultaneously to the destination. A transmission scheme that achieves full-diversity under partial interference cancellation (PIC) group decoding is proposed. Unlike many existing schemes, it allows the concurrent transmission in both phases while achieving the full-diversity gain of full time division multiple access (TDMA) transmission regardless of the number of antennas at each node. Numerical comparison with existing schemes in the literature is provided to corroborate our theoretical claims. It is found that our interference cancellation (IC) scheme clearly outperforms existing schemes at the expense of an affordable increase in decoding complexity at both of the relay and destination. © 2013 IEEE.
Original languageEnglish (US)
Title of host publication2013, 7th International Conference on Signal Processing and Communication Systems (ICSPCS)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISBN (Print)9781479913190
StatePublished - Dec 2013


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