Improved Connectivity-Based Reliable Multicast MAC Protocol for IEEE 802.11 Wireless LANs

IEEE 802.11 무선랜에서 신뢰성 있는 멀티캐스트 전송을 위한 연결정보 기반의 효율적인 MAC 프로토콜

  • Choi, Woo-Yong (Department of Industrial and Management Systems Engineering Dong-A University)
  • 최우용 (동아대학교 산업경영공학과)
  • Received : 2010.02.12
  • Accepted : 2010.05.07
  • Published : 2010.06.01

Abstract

The reliable multicast MAC (Medium Access Control) protocol is needed to guarantee the recipients' nonerroneous reception of the multicast data frames, which can be transmitted by the AP (Access Point) in infrastructure mode IEEE 802.11 wireless LANs. Enhancing the BMMM (Batch Mode Multicast MAC) protocol, in the literature, the connectivity-based reliable multicast MAC protocol was proposed to reduce the RAK (Request for ACKnowledgement) frame transmissions and enhance the multicast MAC performance. However, the number of necessary RAK frame transmissions increases as the number of multicast recipients increases. To alleviate the problem of the larger number of RAK frame transmissions with the larger number of multicast recipients, we propose the clustering algorithm for partitioning the recipients into a small number of clusters, so that the recipients are connected each other within the same clusters. Numerical examples are presented to show the reliable multicast MAC performance improvement by the clustering algorithm.

Keywords

References

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