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A Reliable Successive Relaying Protocol

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A Reliable Successive Relaying Protocol.pdf (1.255Mb)
Date
2014
Author
Basar, Ertugrul
Aygölü, Ümit
Panayirci, Erdal
Poor, H. Vincent
Abstract
Successive relaying has recently emerged as an effective technique for cooperative networks and provides significant improvements in bandwidth efficiency over traditional relaying techniques ;however to achieve full-diversity the available successive relaying protocols generally assume noise-free sourcerelay and interference-free inter-relay channels. In this paper a novel successive relaying protocol is proposed for N-relay wireless networks by removing these optimistic assumptions. The proposed protocol benefits from distributed space-time block codes (STBCs) with coordinate interleaving and relay selection. It achieves a diversity order of two and high transmission rate under realistic network conditions with single-symbol maximum likelihood (ML) detection. A general N-relay signaling protocol is presented and specific design examples are given for N = 2 3 and 4-relay cooperative networks. The average symbol error probability (ASEP) is analytically derived and shown to match with computer simulation results. It is also shown via computer simulations that the proposed scheme achieves significantly better error performance and is more robust to channel estimation errors than its counterparts given in the literature under realistic network conditions.

Source

IEEE Transactions on Communications

Issue

5

Volume

62

Pages

1431-1443

URI

https://hdl.handle.net/20.500.12469/716
https://doi.org/10.1109/TCOMM.2014.030214.130420

Collections

  • Araştırma Çıktıları / Scopus [1350]
  • Araştırma Çıktıları / WOS [1335]
  • Elektrik-Elektronik Mühendisliği / Electrical - Electronics Engineering [330]

Keywords

Cooperative communications
Coordinate interleaved orthogonal design (CIOD)
Successive relaying

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DSpace software copyright © 2002-2015  DuraSpace
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