A simple distributed antenna processing scheme for cooperative diversity

Authors:
Yijia Fan;Abdulkareem Adinoyi;John S. Thompson;Halim Yanikomeroglu;H. Vincent Poor
Affiliations:
Department of Electrical Engineering, Princeton University, Princeton, NJ;Broadband Communications and Wireless Systems Centre, Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada;Institute for Digital Communications, University of Edinburgh, Edinburgh, UK;Broadband Communications and Wireless Systems Centre, Department of Systems and Computer Engineering, Carleton University, Ottawa, Canada;Department of Electrical Engineering, Princeton University, Princeton, NJ
Venue:
IEEE Transactions on Communications
Year:
2009

Citing 11
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Abstract

In this letter the performance of multiple relay channels is analyzed for the situation in which multiple antennas are deployed only at the relays. The simple repetition-coded decode-and-forward protocol with two different antenna processing techniques at the relays is investigated. The antenna combining techniques are maximum ratio combining (MRC) for reception and transmit beamforming (TB) for transmission. It is shown that these distributed antenna combining techniques can exploit the full spatial diversity of the relay channels regardless of the number of relays and antennas at each relay, and offer significant power gain over distributed space-time coding techniques.