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Effect of Chip Waveforms on the Detection Performance of the Energy Detector in DS/SS Communications

Chiho LEE, Kiseon KIM

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Summary :

In this letter, we show the effects of the chip waveform selection on the detection performance of the energy detector in DS/SS communications. Three chip waveforms such as rectangular, half-sine and raised-cosine are examined as the DS/SS chip waveform. It is demonstrated that the partial-band detection can enhance the detection performance of the energy detector approximately 50-70% compared with the full-band detection. When the chip rate is identical, the raised-cosine waveform shows lower detection probability due to its wider spreading bandwidth. However, when the spreading bandwidth is identical, the rectangular waveform shows lower detection probability due to its lower partial-band energy factor.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E87-A No.9 pp.2474-2478
Publication Date
2004/09/01
Publicized
Online ISSN
DOI
Type of Manuscript
LETTER
Category
Spread Spectrum Technologies and Applications

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