UD-TDMA: A Distributed TDMA Protocol for Underwater Acoustic Sensor Network

被引:0
|
作者
Li, Zhengbao [1 ]
Guo, Zhongwen [1 ]
Qu, Haipeng [1 ]
Hong, Feng [1 ]
Chen, Pengpeng [1 ]
Yang, Meng [1 ]
机构
[1] Ocean Univ China, Coll Informat Sci & Engn, Dept Comp Sci, Qingdao, Peoples R China
关键词
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents a distributed and robust time slot scheduling algorithm, which is suitable for underwater acoustic sensor network (UASN). The information of nodes' 2-hop neighbors is needed to be collected and then be used to calculate nodes' initial time slot by a distributed algorithm. A maximal independent set is formed by the nodes which were assigned with the same initial slot. Some theorems were proved to reveal that in an interference graph the size of this maximal independent set is at least 1/224 of the size of the maximum independent set of the nodes. The simulation compares UD-TDMA with other three MAC protocols. The results show that the proposed protocol is effective in the UASN with random deployment, especially in high-density underwater acoustic sensor network.
引用
收藏
页码:112 / 117
页数:6
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