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 Media Access Control for Spatial Reuse in Wireless Ad hoc Networks

무선 Ad hoc 네트워크에서의 공간재이용을 위한 매체접근제어프로토콜

  • 푸칭씨안 (인제대학교 전자정보통신공학과) ;
  • 황원주 (인제대학교 정보통신공학과)
  • Published : 2008.04.30
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Abstract

Using directional antenna in wireless network can offer many advantages including significant decrease of interference, increase of spatial reuse and possibility of improving network capacity. However, existing 802.11 MAC is designed for use of omni-directional antenna then those advantages can not be shown in that MAC protocol when it uses directional antenna. In this paper, we present a MAC protocol specifically designed for directional antenna to achieve spatial reuse and improve capacity of MAC protocol. Simulation result shows the advantages of our proposal in comparison with existing MAC in terms of end-to-end delay and network throughput.

무선 Ad hoc 네트워크에 지향성 안테나를 사용함으로써 간섭의 영향 감소, 공간재이용(spatial reuse) 증가, 그리고 통신용량 증가 등의 장점을 실현할 수 있다. 그러나 기존의 IEEE 802.11 MAC 프로토콜은 무지 향성 안테나를 고려하여 설계되었기 때문에 기존의 MAC 프로토콜을 지향성 안테나를 탑재한 무선 Ad hoc 네트워크에 적용할 경우 그 장점을 효율적으로 제공할 수 없다. 본 논문에서는 최적의 공간재이용을 통한 성능향상을 달성하기 위한 MAC 프로토콜을 제안하였으며, 시뮬레이션을 통하여 기존의 MAC과 통신효율과 종단간 지연을 비교하였다.

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References

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