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	Heuristic IG-TDMA protocol for underwater acoustic sensor networks
	Cheng, Xilin ; Zhang, Rongqing ; Yang, Liuqing ; Cheng, Xiang
	2015
英文摘要	In this paper, we design a heuristic interference-graph-based time division multiple access (IG-TDMA) protocol for underwater acoustic sensor networks (UW-ASNs) to improve the network performance. A general underwater communication scenario is considered for the protocol design, where the communication network topology is modeled as a three-dimensional (3D) scenario and the mobility of sensor nodes is also taken into consideration. In this protocol, we introduce a dynamic and flexible spatial reuse strategy and formulate the interference scenario as a dynamic interference graph according to the nodes' position distribution and a preset interference-free threshold. To achieve high spatial reuse efficiency with low computational complexity, we propose a heuristic interference graph clustering algorithm for the protocol. Simulations verify the performance advantages of our proposed protocol over the carrier sense multiple access with collision avoidance (CSMA/CA) protocol and the traditional TDMA protocol. ? 2015 IEEE.; EI; 1101-1105
语种	英语
出处	IEEE Global Conference on Signal and Information Processing, GlobalSIP 2015
DOI标识	10.1109/GlobalSIP.2015.7418368
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/436270]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Cheng, Xilin,Zhang, Rongqing,Yang, Liuqing,et al. Heuristic IG-TDMA protocol for underwater acoustic sensor networks. 2015-01-01.

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