Novel distributed space-time trellis codes for relay systems over cascaded Rayleigh fading

Authors:
Haci İlhan;İbrahim Altunbaş;Murat Uysal
Affiliations:
Department of Electronics and Communication Engineering, Istanbul Technical University, Istanbul, Turkey;Department of Electronics and Communication Engineering, Istanbul Technical University, Istanbul, Turkey;Faculty of Engineering, Özyeğin University, Istanbul, Turkey
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

In this letter, we consider the deployment of distributed space-time trellis codes (STTCs) for user cooperation. We derive a pairwise error probability (PEP) expression for distributed STTCs over cascaded Rayleigh fading channels. Using the derived PEP expression, we determine a code design criterion and propose novel 4-/8-/16-state 4-PSK and 8-/16-state 8-PSK distributed STTCs through a systematic code search. We confirm the superiority of the proposed codes through extensive Monte-Carlo simulations.