Randomized Space-Time Block Coding for the Multiple-Relay Channel (2010)
Abstract / truncated to 115 words
In the last decade, cooperation among multiple terminals has been seen as one of the more promising strategies to improve transmission speed in wireless communications networks. Basically, the idea is to mimic an antenna array and apply distributed versions of well-known space-diversity techniques. In this context, the simplest cooperative scheme is the relay channel: all the terminals (relays) that overhear a point-to-point communication between a source and a destination may decide to aid the source by forwarding (relaying) its message. In a mobile system, it is common to assume that the relays do not have any information about the channel between them and the destination. Under this hypothesis, the best solution to exploit the diversity ... toggle 8 keywordslinear dispersion space-time block coding – relaying – amplify and forward – decode and forward – spectral efficiency – outage probability – random matrix theory – free probability
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