Dual hop MIMO relaying with orthogonal space-time block codes

Authors:
Prathapasinghe Dharmawansa;Matthew R. McKay;Ranjan K. Mallik
Affiliations:
Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong;Department of Electronic and Computer Engineering, Hong Kong University of Science and Technology, Kowloon, Hong Kong;Department of Electrical Engineering, Indian Institute of Technology - Delhi, New Delhi, India
Venue:
ICC'09 Proceedings of the 2009 IEEE international conference on Communications
Year:
2009

Citing 11
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Abstract

This paper considers orthogonal space-time block coded (OSTBC) transmission for non-regenerative multiple-input multiple-output dual-hop channels. We focus on scenarios where the relay does not have access to instantaneous channel state information, and as such operates according to a non-coherent amplify-and-forward protocol based on a long-term power constraint.We investigate the performance of the proposed OSTBC approach by employing tools from finite-dimensional random matrix theory. In particular, we derive exact closed-form expressions for the moment generating function, high order cumulants, and first and second moments of the signal-to-noise ratio at the destination. Based on these results, we also derive analytical expressions for the symbol error rate with M-ary phase-shift keying, and the amount of fading.