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A genetic approach to channel assignment for multi-radio multi-channel wireless mesh networks

Published: 12 June 2009 Publication History

Abstract

Multi-channel communication in a Wireless Mesh Network with routers having multiple radio interfaces significantly enhances the network capacity. Efficient channel assignment is critical for realization of optimal throughput in such networks. In this paper, we investigate the problem of finding the largest number of links that can be connected with the overall network interference is minimized. Since the number of radios on any node can be less than the number of available channels, the channel assignment must obey the constraint that the number of different channels assigned to the links incident on any node is at most the number of radio interfaces on that node. The above optimization problem is known to be NP-hard. By presenting the theoretical model, the above task is formulated as a multi-objective problem, and then a novel channel assignment based on improved NSGA-II is proposed. Extensive empirical evaluations represent that the novel algorithm proposed in this paper can implement network connectivity with little interference rapidly and efficiently. To meet the actual demand in wireless mesh network, ns-2 simulations are used to demonstrate the performance potential of our channel assignment algorithms in 802.11-based multi-radio mesh networks.

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    cover image ACM Conferences
    GEC '09: Proceedings of the first ACM/SIGEVO Summit on Genetic and Evolutionary Computation
    June 2009
    1112 pages
    ISBN:9781605583266
    DOI:10.1145/1543834
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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    Published: 12 June 2009

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    Author Tags

    1. channel assignment
    2. connectivity
    3. genetic algorithm
    4. interference
    5. multi-radio multi-channel
    6. wireless mesh networks

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    • (2020)RAPTAP: a socio-inspired approach to resource allocation and interference management in dense small cellsWireless Networks10.1007/s11276-020-02460-7Online publication date: 17-Sep-2020
    • (2018)A Joint Routing and Channel Assignment Scheme for Hybrid Wireless-Optical Broadband-Access NetworksJournal of Sensor and Actuator Networks10.3390/jsan70400447:4(44)Online publication date: 16-Oct-2018
    • (2017)A study on channel assignment algorithms for multi-channel multi-radio wireless mesh networks2017 International Conference on Intelligent Sustainable Systems (ICISS)10.1109/ISS1.2017.8389234(568-575)Online publication date: Dec-2017
    • (2016)Review of channel assignment approaches in multi-radio multi-channel wireless mesh networkJournal of Network and Computer Applications10.1016/j.jnca.2016.06.00872:C(113-139)Online publication date: 1-Sep-2016
    • (2016)Realistic interference-free channel assignment for dynamic wireless mesh networks using beamformingAd Hoc Networks10.1016/j.adhoc.2016.08.00151:C(21-35)Online publication date: 15-Nov-2016
    • (2015)On the performance of beamforming-based channel assignment in dense wireless mesh networks2015 IEEE 28th Canadian Conference on Electrical and Computer Engineering (CCECE)10.1109/CCECE.2015.7129381(824-829)Online publication date: May-2015
    • (2015)Clonal-Selection-Based Minimum-Interference Channel Assignment Algorithms for Multiradio Wireless Mesh NetworksBio-Inspired Computation in Telecommunications10.1016/B978-0-12-801538-4.00013-6(287-321)Online publication date: 2015
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