A Dual-Tone DMAC Protocol for Mobile Ad Hoc Networks(Network)

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概要

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• Ad hoc DMAC protocols have been proposed to improve spatial reuse, but directional transmissions have the problem of deafness. In the ToneDMAC protocol, an omnidirectional out-of-band tone after transmitting DATA or ACK mitigates deafness, but cannot prevent the interference packets caused by retransmissions to node in deafness. In this paper, we propose a dual-tone DMAC protocol with the out-of-band start-tone and stop-tone. In the proposed MAC protocol, a start-tone prevents retransmissions to node in deafness and decreases the packet collision probability. Throughput performance of the proposed MAC protocol is confirmed by simulations using Qualnet ver. 3.8 simulator.

• 社団法人電子情報通信学会の論文
• 2007-02-01

著者

• Ko Sang-bo

  Ubist Coporation

• Jwa Jeong-woo

  Mobile Communications Lab. The Faculty Of Telecommunication And Computer Eng. Cheju National Univ.

関連論文

• A Dual-Tone DMAC Protocol for Mobile Ad Hoc Networks(Network)
• Performance of QPSK/OFDM on Frequency-Selective Rayleigh Fading Channels(Wireless Communication Technology)

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