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A novel near-optimum medium access control protocol for a distributed Cooperative ARQ scheme in wireless networks

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4 Author(s)
Alonso-Zarate, J. ; Centre Tecnol. de Telecomunicacions de Catalunya, Barcelona ; Verikoukis, C. ; Kartsakli, E. ; Alonso, L.

The distributed queuing MAC protocol for cooperative networks (DQCOOP) is presented in this paper as an innovative MAC protocol designed to coordinate the relay retransmissions in a cooperative automatic retransmission request (C-ARQ) scheme for wireless networks. The distributed cooperative ARQ scheme when the DQCOOP is applied at layer two is compared to an ideal non-cooperative ARQ scheme. Computer simulations show that the relay multiple access problem is efficiently handled by the DQCOOP and the cooperative approach outperforms the traditional non-cooperative ARQ scheme in all cases. In addition, the DQCOOP is compared with an IEEE 802.11-based MAC protocol for C-ARQ schemes, demonstrating improved efficiency.

Published in:

Personal, Indoor and Mobile Radio Communications, 2008. PIMRC 2008. IEEE 19th International Symposium on

Date of Conference:

15-18 Sept. 2008