Sub-optimum detection scheme for asynchronous cooperative relay networks

Sub-optimum detection scheme for asynchronous cooperative relay networks

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In this study, a new sub-optimum detection scheme is proposed which employs closed-loop extended orthogonal space–time block coding and outer convolutive coding within an asynchronous cooperative wireless relay network to achieve full data rate and full diversity gain between the relays and destination node together with coding gain. Simulation results confirm that the proposed scheme can effectively suppress intersymbol interference induced by asynchronism between the relay nodes at the destination node.


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      • Elazreg, A.M., Chambers, J.A.: `Closed-loop extended orthogonal space–time block coding for four relays node: under imperfect synchronization', IEEE Workshop on Statistical Signal Processing (SSP), Cardiff, 2009, p. 545–548.
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      • Eltayeb, N.M., Lambotharan, S., Chambers, J.A.: `A phase feedback-based extended space–time block code for enhancement of diversity', IEEE 65th Vehicular Technology Conf. (VTC), 2007, p. 2269–2299.

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