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A New Multiple Access Protocol Based on the Active State of Neighboring Nodes for Mobile Ad Hoc Networks

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3 Author(s)
Junhuan Feng ; Southwest Jiaotong Univ., Chengdu ; Liu Yang ; Pingzhi Fan

For the shared channel in wireless ad hoc networks, the MAC access protocol with delayed backoff window scheme is commonly adopted. This paper presents a new multiple protocol based on the active state of neighboring nodes (BASNN) for mobile ad hoc networks. If a source node has a packet to send, and the number of the active neighbors is n in the T cycle, then the source node sends a RTS (request-to-send) packet with probability Min{ a/(n+1),1} or backoff with probability 1-Min{a/(n+1),1}. It is shown by analysis and simulation that, based on the new protocol, the throughput performance of the networks is significantly increased.

Published in:

Signal Design and Its Applications in Communications, 2007. IWSDA 2007. 3rd International Workshop on

Date of Conference:

23-27 Sept. 2007