ETRI Journal

  • 제37권2호
  • /
  • Pages.380-386
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  • 2015
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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Novel Section-Based Joint Network Coding and Scheduling Scheme in WMNs: JNCS

  • Cha, Jae Ryong (2nd (C2/IW) R&D Institute, Agency for Defence Development) ;
  • Baek, Gwang Hun (2nd (C2/IW) R&D Institute, Agency for Defence Development)
  • 투고 : 2014.08.08
  • 심사 : 2014.11.21
  • 발행 : 2015.04.01
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초록

Guaranteeing quality of service over a multihop wireless network is difficult because end-to-end (ETE) delay is accumulated at each hop in a multihop flow. Recently, research has been conducted on network coding (NC) schemes as an alternative mechanism to significantly increase the utilization of valuable resources in multihop wireless networks. This paper proposes a new section-based joint NC and scheduling scheme that can reduce ETE delay and enhance resource efficiency in a multihop wireless network. Next, this paper derives the average ETE delay of the proposed scheme and simulates a TDMA network where the proposed scheme is deployed. Finally, this paper compares the performance of the proposed scheme with that of the conventional sequential scheduling scheme. From the performance analysis and simulation results, the proposed scheme gives more delay-and energy-efficient slot assignments even if the NC operation is applied, resulting in a use of fewer network resources and a reduction in ETE delay.

키워드

참고문헌

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피인용 문헌

  1. Learning based relay selection for reliable content distribution in smart class application vol.9, pp.8, 2015, https://doi.org/10.3837/tiis.2015.08.008