The Transactions of The Korean Institute of Electrical Engineers (전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Additional Transmission Protocol for Fairness Enhancement in IEEE 802.11 Wireless LANs

IEEE 802.11 무선 랜에서 공평성 향상을 위한 추가 전송 프로토콜

  • Kang, Tae-Uk (Dept. of Computer Software Engineering, Kumoh National Institute of Technology) ;
  • Kim, Sunmyeng (Dept. of Computer Software Engineering, Kumoh National Institute of Technology)
  • Received : 2016.10.14
  • Accepted : 2016.11.16
  • Published : 2016.12.01
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Abstract

In IEEE 802.11 wireless LANs, when a source node with low data rate occupies the channel resource for a long time, network performance degrades. In order to improve performance, the cooperative communication has been proposed. In the previous cooperative communication protocols, relay nodes deliver data packets only for a source node. In this paper, we propose an additional transmission scheme in which relay nodes select an additional source node based on several information and deliver data packets for the original source node and the selected additional source node. The proposed scheme improves performance and provides fairness among source nodes. Performance of the proposed scheme is investigated by simulation. Our results show that the proposed scheme outperforms the previous protocol in terms of fairness index and throughput.

Keywords

References

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