FFT-DMAC: a tone based DMAC protocol |
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| Authors: | Li Ying Li Minglu Shu Wei Wu Minyou |
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| Institution: | Li Ying Li Minglu Shu Wei Wu Minyou (School of Computer Science & Technology,Soochow University,Suzhou 215006,P.R.China),(* Department of Computer Science and Engineering,Shanghai Jiaotong University,Shanghai 200030,(** Department of Electrical and Computer Engineering,The University of New Mexico,Albuquerque 87131,USA) |
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| Abstract: | This paper presents the flip-flop tone(FFT)DMAC protocol,a tone based MAC protocol using di- rectional antennas to solve the deafness problem,hidden terminal and exposed terminal problems simulta- neously.It uses two pairs of flip-flop tones .The first pair of tone is to send omni-directionally to reach every neighboring node to announce the start and the end of communication,and therefore to alleviate the deafness problem.The second pair of tone is to send directionally towards the sender.It is used to sol... |
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| Keywords: | MAC directional antenna busy tone |
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