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Sensors 2011, 11(5), 4917-4942; doi:10.3390/s110504917
Article

Multi-Channel Multi-Radio Using 802.11 Based Media Access for Sink Nodes in Wireless Sensor Networks

1
, 2
, 3,*  and 1,*
Received: 23 February 2011; in revised form: 6 April 2011 / Accepted: 27 April 2011 / Published: 4 May 2011
(This article belongs to the Special Issue Advanced Embedded Sensors)
Abstract: The next generation surveillance and multimedia systems will become increasingly deployed as wireless sensor networks in order to monitor parks, public places and for business usage. The convergence of data and telecommunication over IP-based networks has paved the way for wireless networks. Functions are becoming more intertwined by the compelling force of innovation and technology. For example, many closed-circuit TV premises surveillance systems now rely on transmitting their images and data over IP networks instead of standalone video circuits. These systems will increase their reliability in the future on wireless networks and on IEEE 802.11 networks. However, due to limited non-overlapping channels, delay, and congestion there will be problems at sink nodes. In this paper we provide necessary conditions to verify the feasibility of round robin technique in these networks at the sink nodes by using a technique to regulate multi-radio multichannel assignment. We demonstrate through simulations that dynamic channel assignment scheme using multi-radio, and multichannel configuration at a single sink node can perform close to optimal on the average while multiple sink node assignment also performs well. The methods proposed in this paper can be a valuable tool for network designers in planning network deployment and for optimizing different performance objectives.
Keywords: WSN; multi-channel; multi-radio; IEEE 802.11; nodes; channels WSN; multi-channel; multi-radio; IEEE 802.11; nodes; channels
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Campbell, C.-A.; Khan, S.; Singh, D.; Loo, K.-K. Multi-Channel Multi-Radio Using 802.11 Based Media Access for Sink Nodes in Wireless Sensor Networks. Sensors 2011, 11, 4917-4942.

AMA Style

Campbell C-A, Khan S, Singh D, Loo K-K. Multi-Channel Multi-Radio Using 802.11 Based Media Access for Sink Nodes in Wireless Sensor Networks. Sensors. 2011; 11(5):4917-4942.

Chicago/Turabian Style

Campbell, Carlene E.-A.; Khan, Shafiullah; Singh, Dhananjay; Loo, Kok-Keong. 2011. "Multi-Channel Multi-Radio Using 802.11 Based Media Access for Sink Nodes in Wireless Sensor Networks." Sensors 11, no. 5: 4917-4942.


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