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In asynchronous wireless relay networks, the spacetime codes (STC) applied should be delay-tolerant. Although several delay-tolerant STC have been presented, they are limited by high decoding complexity, low rate and/or low diversity gain. To overcome these limitations, a new class of delay-tolerant STC, called shift group-decodable space-time block codes (STBC), with code rate 1 for arbitrary transmit...
We propose a new method of applying network coding for cooperative wireless networks. The network consists of multiple (M ges 2) users having independent information to be transmitted to a common base station (BS). These users form partners and relay information for each other. The transmission blocks are subject to block-fading with independent fading coefficients for each block. Designed non-binary...
Multi-hop relaying has proven to be an effective method of additional spatial diversity on wireless fading channels. This paper propose and analyze a simple technique that Cooperative Transmit Diversity (CTD) can be applicable to multi-hop relay enhanced diversity order to fading relay channels, and furthermore the system using X-OR with STBC half encoding at the relay that offers increased performance...
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