一种跳频MAC协议的自适应机制

doi:10.3969/j.issn.1001-2400.2013.05.013

Abstract

Abstract:

For the frequency hopping media access control protocol (FH_MAC), there is a parabola relationship between throughput and traffic, and then an adaptive FH_MAC (AFH_MAC) is proposed for the maximum throughput, which is fit for timeliness traffic in aeronautical ad hoc networks. The paper works out the expression for the throughput, success transmission probability and average time delay based on the queuing theory, combination theory and discrete laplase transformation. The results show that, the time delay performance of the FH_MAC is better than that of the time division multiple access (TDMA) and IEEE 802.11 distributed coordination function (DCF), that the throughput and success transmission probability of the FH_MAC are higher than that of the ALOHA when the traffic load is low, and that the theoretic analysis of the AFH_MAC is in accordance with simulation, and the adaptive mechanism works well.

Key words: aeronautical ad hoc networks, media access control protocol, frequency hopping, time delay, throughput, adaptive

CLC Number:

TP393.0

WANG Yequn;YE Xiangyang;QI Yunjun;HUANG Guoce;ZHANG Hengyang. Adaptive mechanism for the frequency hopping MAC[J].J4, 2013, 40(5): 78-85.

References

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Adaptive mechanism for the frequency hopping MAC

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