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Distributed Double-Differential Orthogonal Space-Time Coding for Cooperative Networks

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Distributed Double-Differential Orthogonal Space-Time Coding for Cooperative Networks
— In this paper, distributed double-differential coding is proposed to avoid the problem of carrier offsets in amplify and forward protocol based cooperative network with two relays. A double-differential orthogonal-space-time block code is transmitted by the relays in a distributed manner without channel knowledge. We derive a low complexity linear decoder which does not require the channel and carrier offset knowledge. A pairwise error probability (PEP) analysis is also conducted and we found an upper bound of the PEP for the proposed system. In addition, an optimized power allocation is proposed to improve the SER performance of the system.
Manav R. Bhatnagar, Are Hjørungnes
Added 29 May 2010
Updated 29 May 2010
Type Conference
Year 2008
Where GLOBECOM
Authors Manav R. Bhatnagar, Are Hjørungnes
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