NDLI: Superimposed code based channel assignment in multi-radio multi-channel wireless mesh networks

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Superimposed code based channel assignment in multi-radio multi-channel wireless mesh networks

Content Provider	ACM Digital Library
Author	Liang, Qilian Cheng, Xiuzhen Xing, Kai Ma, Liran
Abstract	Motivated by the observation that channel assignment for multiradio multi-channel mesh networks should support both unicast and local $broadcast^{1},$ should be interference-aware, and should result in low overall switching delay, high throughput, and low overhead, we propose two flexible localized channel assignment algorithms based on s-disjunct superimposed codes. These algorithms support the local broadcast and unicast effectively, and achieve interference-free channel assignment under certain conditions. In addition, under the primary interference $constraints^{2},$ the channel assignment algorithm for unicast can achieve 100% throughput with a simple scheduling algorithm such as the maximal weight independent set scheduling, and can completely avoid hidden/exposed terminal problems under certain conditions. Our algorithms make no assumptions on the underlying network and therefore are applicable to a wide range of MR-MC mesh network settings. We conduct extensive theoretical performance analysis to verify our design.
Starting Page	15
Ending Page	26
Page Count	12
File Format	PDF
ISBN	9781595936813
DOI	10.1145/1287853.1287857
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-09-09
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Channel assignment Interference Superimposed codes Multi-radio multi-channel wireless mesh networks
Content Type	Text
Resource Type	Article

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