Novel Distributed Space-Time Trellis Codes for Relay Systems over Cascaded Rayleigh Fading

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Dec 2010Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Communications Letters, volume 14, pages 1,140-1,142 (issn: 1089-7798,

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Authors: Ilhan, Haci; Altunbas, Ibrahim; Uysal, Murat;

doi: 10.1109/lcomm.2010.102610.101133

handle: 10679/198

Novel Distributed Space-Time Trellis Codes for Relay Systems over Cascaded Rayleigh Fading

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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.

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Keywords

Distributed space-time coding, Error rate performance, Cascaded Rayleigh fading channels, Amplify-and-forward relaying

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