Analysis of Intersymbol Interference due to Overlap in Overlap-Based DM-BPSK CSS Systems 


Vol. 36,  No. 2, pp. 99-104, Feb.  2011


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  Abstract

The chirp spread spectrum (CSS) technique spreads the data signal over a frequency bandwidth wider than minimum required bandwidth. By using time overlapping, the bit rate in CSS can be increased. However, for reliable transmission of data signal, the intersymbol interference (ISI) due to overlap should be analyzed. In this paper, the relation between the degree of overlap and ISI is analyzed in direct modulation binary phase shift keying CSS systems. In some cases, the overlap does not incur ISI at all and the ISI fluctuates or monotonically increases as the number of overlaps changes. It is also shown that the simulation results closely agree with the analytic results.

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  Cite this article

[IEEE Style]

J. Kim, Y. Lee, I. Song, S. Yoon, "Analysis of Intersymbol Interference due to Overlap in Overlap-Based DM-BPSK CSS Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 2, pp. 99-104, 2011. DOI: .

[ACM Style]

Junhwan Kim, Youngpo Lee, Iickho Song, and Seokho Yoon. 2011. Analysis of Intersymbol Interference due to Overlap in Overlap-Based DM-BPSK CSS Systems. The Journal of Korean Institute of Communications and Information Sciences, 36, 2, (2011), 99-104. DOI: .

[KICS Style]

Junhwan Kim, Youngpo Lee, Iickho Song, Seokho Yoon, "Analysis of Intersymbol Interference due to Overlap in Overlap-Based DM-BPSK CSS Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 36, no. 2, pp. 99-104, 2. 2011.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880