Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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A study on helper node selection mechanisms in cooperative communications

협력통신에서 도움노드 선정방법에 대한 비교연구

  • Received : 2012.02.27
  • Accepted : 2012.03.26
  • Published : 2012.07.31
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Abstract

Cooperative communications play a important role in increasing frame transmission rate at wireless communication networks where frequency resource is strictly limited. In this paper, we did a research on how to select the helper nodes that are very import in cooperative communications. As a prelude study in this research field, we carried out performance comparison of three helper node selection schemes using computer simulation. The system throughput was used as the performance measure and the random way point mobility model, where every communicating nodes move around within the designated communication range, was used.

협력통신용 MAC 프로토콜은 주파수 자원이 한정된 무선통신망에서 프레임 전송속도를 증가시키는데 매우 중요한 역할을 담당한다. 본 논문에서는 협력통신용 MAC 프로토콜 기법에서 매우 중요한 협력노드를 선정하는 방법에 대하여 연구를 수행하였으며, 선행연구로서 기존에 제안된 도움노드 선정기법들을 컴퓨터 모의실험을 통해 성능평가를 직접 수행하여 성능결과를 서로 비교하였고, 각 기법의 장단점을 분석하였다. 성능평가 척도로는 시스템 처리량을 사용하였으며, 각 통신노드는 IEEE 802.11b 무선 랜 프로토콜을 사용하여 주어진 통신영역 내에서 자유롭게 이동하는 random way point 이동성 모델을 사용하였다.

Keywords

References

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Cited by

  1. Performance Evaluation of a New Helper Node Selection Scheme for Cooperative Communications vol.17, pp.8, 2013, https://doi.org/10.6109/jkiice.2013.17.8.1811