基于最小连通支配集的CRL分发系统研究

doi:10.3969/j.issn.1000-0801.2012.04.016

Abstract

Abstract:

efficiency of CRL distribution was one of the most important factors, which related to PKI used in wireless network. Because of limited energy in wireless network and distribution of CRL in time, this paper proposed CRL distribution based on minimum connected dominating set and designed the protocol which included the description of date structure, packet format and the construction of broadcast tree. Based on this protocol, we designed the CRL distribution system.Finally, we simulated with NS-2, and the result showed that this system could adapt the network with more nodes and ensure better delivery ratio, lower delivery cost and shorter time cost, it had certain application value.

Key words: minimum connected dominating set, CRL distribution system, wireless network

, , . Study on CRL Distribution System Based on Minimum Connected Dominating Set[J]. Telecommunications Science, 2012, 28(4): 79-83.

参数	描述	缺省值
Node_num	移动节点的数目	60s
SRC_num	广播源数目	1
TX_start	起始发送时刻	0.1s
TX_rat	消息产生速率	0.5（每2s 产生1个消息）
SIM_time	模拟时间	10 s
TX_range	传输距离	250 m
Length	区域长度	1 000 m
Width	区域宽度	1 000 m

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Study on CRL Distribution System Based on Minimum Connected Dominating Set

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