Cooperative diversity schemes for asynchronous wireless networks

Authors:
Petros Elia;Somsak Kittipiyakul;Tara Javidi
Affiliations:
Department of ECE, University of California at San Diego, La Jolla, USA 92093-0407;Department of ECE, University of California at San Diego, La Jolla, USA 92093-0407;Department of ECE, University of California at San Diego, La Jolla, USA 92093-0407
Venue:
Wireless Personal Communications: An International Journal
Year:
2007

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Abstract

We construct cooperative diversity coding schemes that mitigate the effects of symbol asynchronicity among network users. We do so by modifying, at the expense of implementation practicality, the signaling complexity of well behaved existing schemes. The modification allows the same good performance (DMT optimality) in the presence of synchronicity, and almost-surely permits full-diversity gains for any event of symbol asynchronicity.