Performance analysis of joint adaptive modulation and diversity combining over fading channels

Authors:
Hong-Chuan Yang;Nesrine Belhaj;Mohamed-Slim Alouini
Affiliations:
University of Victoria, Victoria, BC, Canada;TAMU-Qatar, Doha, Qatar;TAMU-Qatar, Doha, Qatar
Venue:
Proceedings of the 2006 international conference on Wireless communications and mobile computing
Year:
2006

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Abstract

Both adaptive modulation and diversity combining represent important enabling techniques for future generations of wireless communication systems. In this paper, capitalizing on recent developments in adaptive combining, we propose two joint adaptive modulation and diversity combining (AMDC) schemes. With these schemes, the modulation mode and diversity combiner structure are adaptively determined based on the fading channel condition and error rate requirement. We accurately analyze these AMDC schemes in terms of processing power consumption, spectral efficiency and error rate performance. Selected numerical examples show that the proposed AMDC systems meet the target error rate requirement while achieving high spectral efficiency with low processing power consumption.