Dynamic channel assignment in clustered multihop CDMA/TDMA ad hoc networks

doi:10.1109/PIMRC.2004.1370853

南華大學機構典藏系統 > 科技學院 > 資訊工程學系 > 期刊論文 > Item 987654321/25086

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题名:	Dynamic channel assignment in clustered multihop CDMA/TDMA ad hoc networks
作者:	吳建民;Wu, Chien-Min;Hou, Ting-Chao;Chan, Ming-Chieh
貢獻者:	資訊工程學系
关键词:	Intelligent networks;Spread spectrum communication;Multiaccess communication;Time division multiple access;Ad hoc networks;Bandwidth;Land mobile radio cellular systems;Data communication;Throughput;Telecommunication traffic
日期:	2004-09
上传时间:	2017-07-19 15:54:31 (UTC+8)
摘要:	A good channel assignment scheme in a multihop ad hoc network should not only guarantee successful data transmissions without collisions, but also enhance the channel spatial reuse to maximize the system throughput. It becomes very inefficient to use fixed channel assignment when the network size grows. Therefore, spatial reuse of channels becomes more important in a large multihop ad hoc network. We consider an ad hoc network with an overlaid CDMA/TDMA structure. We divide each code into time slots to form the channels. Two dynamic channel assignment (DCA) strategies, called greedy-based DCA (GB-DCA) and channel segregation DCA (CS-DCA) are proposed in a clustered wireless multihop ad hoc network. These DCA strategies are designed to make better use of available channels by taking advantage of the spatial reuse concept. We show that the bandwidth saving due to channel spatial reuse is higher than the additional bandwidth spent on the control overhead.
關聯:	2004 IEEE 15th International Symposium on Personal, Indoor and Mobile Radio Communications 2004 vol. 1 pp.145-149
显示于类别:	[資訊工程學系] 期刊論文

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