Multi-channel MAC Protocol for Improving Channel Efficiency in Wireless Networks 


Vol. 33,  No. 5, pp. 549-560, May  2008


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  Abstract

In this paper, we propose a new multi-channel MAC protocol to improve the channel efficiency by using two interfaces. Most of previous researches that have considered multi-channel wireless network environments use a common control channel to exchange control signals and they have a bottle neck problem at common control channel as increasing the number of data channels. In the proposed MAC protocol, we separate receiving and transmitting channels so that sending and receiving data and control packets at the same time is possible. It increases the total network throughput. Since there is no common control channel, the network does not suffer from the bottle neck problem. By applying a TDMA scheme, we can avoid packet collisions between data packets and control packets and reduce the possibility of CTS or ACK packet collisions. Simulation results show that the proposed multi-channel MAC protocol improves the total network throughput and channel efficiency compared with the existing method.

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  Cite this article

[IEEE Style]

Y. Kim and S. Yoo, "Multi-channel MAC Protocol for Improving Channel Efficiency in Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 5, pp. 549-560, 2008. DOI: .

[ACM Style]

Young-Kyoung Kim and Sang-Jo Yoo. 2008. Multi-channel MAC Protocol for Improving Channel Efficiency in Wireless Networks. The Journal of Korean Institute of Communications and Information Sciences, 33, 5, (2008), 549-560. DOI: .

[KICS Style]

Young-Kyoung Kim and Sang-Jo Yoo, "Multi-channel MAC Protocol for Improving Channel Efficiency in Wireless Networks," The Journal of Korean Institute of Communications and Information Sciences, vol. 33, no. 5, pp. 549-560, 5. 2008.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880