Markov codes make gaussian pulse superior to a raised cosine pulse

Yutaka Jitsumatsu; Tohru Kohda

doi:10.1109/ISSSTA.2008.142

Markov codes make gaussian pulse superior to a raised cosine pulse

Yutaka Jitsumatsu, Tohru Kohda

Mathematical Informatics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A Gaussian pulse has inter-symbol-interference, which degrades signal to interference ratio (SIR). In asynchronous CDMA system, however, Markov codes with negative correlation recover the SIR of Gaussian pulses. The improvement over i.i.d. codes is 2.3dB and Gaussian pulse achieves almost same SIR and bandwidth as a root raised cosine (RRC) pulse. The filter length of Gaussian pulse is only a quarter of the RRC one.

Original language	English
Title of host publication	2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications - Proceedings, ISSSTA2008
Pages	730-734
Number of pages	5
DOIs	https://doi.org/10.1109/ISSSTA.2008.142
Publication status	Published - Dec 25 2008
Event	2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2008 - Bologna, Italy Duration: Aug 25 2008 → Aug 28 2008

Other

Other	2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2008
Country/Territory	Italy
City	Bologna
Period	8/25/08 → 8/28/08

All Science Journal Classification (ASJC) codes

Electrical and Electronic Engineering
Applied Mathematics

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10.1109/ISSSTA.2008.142

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Jitsumatsu, Y & Kohda, T 2008, Markov codes make gaussian pulse superior to a raised cosine pulse. in 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications - Proceedings, ISSSTA2008., 4621501, pp. 730-734, 2008 IEEE 10th International Symposium on Spread Spectrum Techniques and Applications, ISSSTA2008, Bologna, Italy, 8/25/08. https://doi.org/10.1109/ISSSTA.2008.142

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N2 - A Gaussian pulse has inter-symbol-interference, which degrades signal to interference ratio (SIR). In asynchronous CDMA system, however, Markov codes with negative correlation recover the SIR of Gaussian pulses. The improvement over i.i.d. codes is 2.3dB and Gaussian pulse achieves almost same SIR and bandwidth as a root raised cosine (RRC) pulse. The filter length of Gaussian pulse is only a quarter of the RRC one.

AB - A Gaussian pulse has inter-symbol-interference, which degrades signal to interference ratio (SIR). In asynchronous CDMA system, however, Markov codes with negative correlation recover the SIR of Gaussian pulses. The improvement over i.i.d. codes is 2.3dB and Gaussian pulse achieves almost same SIR and bandwidth as a root raised cosine (RRC) pulse. The filter length of Gaussian pulse is only a quarter of the RRC one.

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Y2 - 25 August 2008 through 28 August 2008

ER -

Markov codes make gaussian pulse superior to a raised cosine pulse

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