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A Fuse-and-Forward Protocol for Two-Way Relaying Networks With Relay Having Its Own Broadcasting Information | IEEE Journals & Magazine | IEEE Xplore

A Fuse-and-Forward Protocol for Two-Way Relaying Networks With Relay Having Its Own Broadcasting Information


Abstract:

A fuse-and-forward (FF) relaying protocol is proposed and analyzed for two-way relaying networks where the relay node has its own information to broadcast. In our FF prot...Show More

Abstract:

A fuse-and-forward (FF) relaying protocol is proposed and analyzed for two-way relaying networks where the relay node has its own information to broadcast. In our FF protocol, the relay node will firstly process the received signals to obtain a new signal version by fusing with its own information, then broadcast to all the source nodes. We assume that multiple antennas are deployed to the relay node, while only single antenna for the source nodes. To obtain full diversity and ensure the destination nodes concurrently decode the information both from the source nodes and from the relay node, a distributed space-time block code (DSTBC) is used in conjunction with unique-factorable constellation pairs (UFCPs). Especially, when the relay node is deployed with two antennas, an Alamouti-based concatenated two-way FF-STBC is presented. Upper bound analysis on the pairwise-error-probability (PEP) with maximum-likelihood (ML) decoding shows a theoretical upper bound {{({{c_1}\ln \rho + {c_2}})}/{{\rho^2}}}, where \rho denotes the signal-to-noise ratio and c_1, c_2 are the constants independent of \rho.
Published in: IEEE Communications Letters ( Volume: 19, Issue: 8, August 2015)
Page(s): 1450 - 1453
Date of Publication: 11 June 2015

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