A Channel Assignment Technique for OFDMA-based Wireless Mesh Network with Different Time Delays 


Vol. 36,  No. 6, pp. 568-576, Jun.  2011


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  Abstract

In this paper, a channel assignment technique to mitigate interferences due to ISI(Inter Symbol Interference) and ICI(Inter Carrier Interference) caused by TDoA(Time Difference of Arrival) among distributed MRs(Mesh Routers) in OFDMA(Orthogonal Frequency Division Multiple Access)-based WMN(Wireless Mesh Network) is proposed. The SINR(Signal to Interference and Noise Ratio) associated with the channel assignment for each MR is defined to minimize the effect of ISI and ICI due to TDoA in WMN, which is then used to propose an channel assignment technique considering fairness constraint. It is verified by computer simulation that the proposed channel assignment technique can improve the performance of BER(Bit Error Rate) in WMNs with compared to the conventional technique.

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  Cite this article

[IEEE Style]

H. I. Yoo, C. H. Park, Y. S. Cho, "A Channel Assignment Technique for OFDMA-based Wireless Mesh Network with Different Time Delays," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 6, pp. 568-576, 2011. DOI: .

[ACM Style]

Hyun Il Yoo, Chang Hwan Park, and Yong Soo Cho. 2011. A Channel Assignment Technique for OFDMA-based Wireless Mesh Network with Different Time Delays. The Journal of Korean Institute of Communications and Information Sciences, 36, 6, (2011), 568-576. DOI: .

[KICS Style]

Hyun Il Yoo, Chang Hwan Park, Yong Soo Cho, "A Channel Assignment Technique for OFDMA-based Wireless Mesh Network with Different Time Delays," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 6, pp. 568-576, 6. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880