针对基于忙音的广播方法的仿真研究

doi:10.3969/j.issn.1000-436x.2012.z2.018

Abstract

Abstract:

In ad hoc network with high dynamic topology,broadcasting method based on handshake mechanism was not efficient.Therefore,a broadcasting method based on busy tone was proposed.This method was modeled and implemented with the network simulation platform OPNET,and the performance of the broadcasting method was analyzed based on experimental results.Experimental results show that,the broadcasting method based on busy tone is applicable to the network with high dynamic topology.

Key words: ad hoc network, broadcasting method, busy tone, simulation

Sheng-hong XU,Qing-tian HAN,Wen-jing CAO. Simulation of broadcasting method based on busy tone[J]. Journal on Communications, 2012, 33(Z2): 141-145.

Figures/Tables 6

References 7

[1]	TANG K , GERLA M . MAC layer broadcast support in 802.11 wireless networks[A]. Proc IEEE MILCOM 2000[C]. LosAngeles,CA,USA, 2000. 544-548.
[2]	TANG K , GERLA M . Random access MAC for efficient broadcast support in ad hoc networks[A]. Proc IEEE WCNC 2000[C]. Chicago,IL,USA, 2000. 454-459.
[3]	TANG K , GERLA M . MAC reliable broadcast in ad hoc networks[A]. Proc IEEE MILCOM 2001[C]. LosAngeles,CA,USA, 2001. 1008-1013.
[4]	SUN M T , HUANG L F , ARORA A ,et al. Reliable MAC layer multicast in IEEE 802.11 Wireless Networks[J]. Wireless Communications and Mobile Computing, 2003,3(4): 439-453.
[5]	LOU W , WU J . On reducing broadcast redundancy in ad hoc wireless networks[J]. IEEE Trans on Mobile Computing, 2002,1(2): 111-123.
[6]	FARNOUD F , VALAEE S . Reliable broadcast of safety message in vehicular ad hoc networks[A]. Proc IEEE INFOCOM 2009[C]. Rio de Jandiro,Bracil, 2009. 226-234.
[7]	HAAS Z J , DENG J . Dual busy tone multiple access (DBTMA):a medium access control for multihop networks[J]. IEEE Transactions on Communications, 2002,50(6): 975-985.

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状态	状态描述
IDLE	等待状态，等待信道空闲以及自身产生广播数据
CONTEND	竞争状态，预约信道
SENDDATA	发送数据状态
RECEPT	接收数据状态
BACKOFF	退避状态

事件名	事件描述	中断类型
PK_ARRIVAL_FROMGEN	gen模块产生的数据到达本模块	流中断
PK_ARRIVAL_FROMRR	rr_0模块接收的数据到达本模块	流中断
DATACHANNEL_BUSY	通过rr_0检测到的数据信道状态从空闲变为忙	统计中断
DATACHANNEL_FREED	通过rr_0检测到的数据信道状态从忙变为空闲	统计中断
TDATACHANNEL_FREED	通过rt_0检测到的数据信	统计中断
	道状态从忙变为空闲
BACKOFF_OVER	预约信道的定时器到时	自中断
BACKOFF1_OVER	退避的定时器到时	自中断
INTER_BT_SELFINTRPT	忙音定时器到时	自中断

场景序号	平均接收节点数目
15	29
16	88
17	29
18	88

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Simulation of broadcasting method based on busy tone

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