Performance Analysis of Fractional Bandwidth Mode Detection for a Cognitive Radio Based OFDM System 


Vol. 35,  No. 2, pp. 238-245, Feb.  2010


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  Abstract

For orthogonal frequency division multiplexing (OFDM) systems sharing the spectrum with narrow band primary devices, a fractional bandwidth (FBW) mode has been proposed recently to reduce the interference to the primary users. The FBW mode divides the total OFDM bandwidth into subbands and activates (or deactivates) a subset of the subbands according to the result of spectrum sensing. In this paper, we analyze the detection error probability of FBW mode information which is delivered by the sequence embedded in the preamble and evaluate the performance in wireless regional area network environments. The results show that the detection probability derived analytically estimates the actual value from simulation adequately and that a low detection error probability less than 10-3 is obtained at a low signal-to-noise power ratio.

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  Cite this article

[IEEE Style]

J. Lee, J. Wang, Y. Kim, S. Yoon, I. Song, "Performance Analysis of Fractional Bandwidth Mode Detection for a Cognitive Radio Based OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 238-245, 2010. DOI: .

[ACM Style]

Ji-Hye Lee, Jin-Soo Wang, Yun-Hee Kim, Seokho Yoon, and Iickho Song. 2010. Performance Analysis of Fractional Bandwidth Mode Detection for a Cognitive Radio Based OFDM System. The Journal of Korean Institute of Communications and Information Sciences, 35, 2, (2010), 238-245. DOI: .

[KICS Style]

Ji-Hye Lee, Jin-Soo Wang, Yun-Hee Kim, Seokho Yoon, Iickho Song, "Performance Analysis of Fractional Bandwidth Mode Detection for a Cognitive Radio Based OFDM System," The Journal of Korean Institute of Communications and Information Sciences, vol. 35, no. 2, pp. 238-245, 2. 2010.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880