Link-state routing without broadcast storming for multichannel mesh networks |
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| Authors: | Cheolgi Kim Young-Bae Ko Nitin H Vaidya |
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| Affiliation: | 1. School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, China;2. Guangxi Key Laboratory of Trusted Software, Guilin University of Electronic Technology, Guilin 541004, China;1. Hamilton Institute, National University of Ireland Maynooth, Maynooth, Co. Kildare, Ireland;2. Centre for Complex Dynamic Systems and Control, The University of Newcastle, Callaghan NSW 2308, Australia;1. Department of Psychology, Ludwig-Maximilian-University of Munich, Germany;2. Catholic University Eichstätt-Ingolstadt, Ostenstr. 25, D-85071 Eichstätt, Germany |
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| Abstract: | A link-state routing protocol tailored for multichannel mesh networks is proposed. One drawback of using multichannel communications is the high overhead involved in broadcast operations: a transmitter should transmit a broadcast packet to all channels that may be occupied by receivers. This makes certain broadcast-intensive mechanisms, such as link-state routing, difficult to implement. The link-state routing protocol proposed in this paper is tailored for multichannel mesh networks by minimizing the broadcast overheads. This is achieved by a special set of nodes, called cluster-heads. We have implemented our protocol on a multichannel mesh network test bed and compared its performance with an AODV-like reactive routing protocol, also tailored for multichannel mesh networks. The measurements show that the proposed link-state routing protocol provides transient communications with comparable or better performance. Ways to improve the performance of the proposed routing with infrastructure access is also discussed. |
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