基于优先级的无线传感网络MAC协议的研究
首发时间:2011-09-13
摘要:通过修改802.15.4协议的CSMA/CA机制,实现了基于优先级传输的无线传感网络协议,并运用OMNET++网络仿真软件,对修改后的协议与原始协议的高优先级信息包的等待时间和传输时延分别进行比较,并且针对修改后的网络整体性能造成的影响进行了分析,得出基于优先级的算法在传输具有优先级的信息包时,具有一定的可行性。
关键词: 无线传感网 优先级 CSMA/CA OMNET++
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Research Based on Priority of MAC Layer in Wireless Sensor Network
Abstract:By modifying the 802.15.4 CSMA/CA mechanism to achieve the priority-based transmission protocol for wireless sensor networks, and use OMNET + + network simulation software to compare packet waiting time and transmission delay both in the original protoco and modified protocol. Then analysis the impact of the whole network after modifying. And finially, get a conclusion that it is compatible to use this modified protocol to transmit packet.
Keywords: Wireless Sensor Network Priority CSMA/CA OMNET++
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