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Rapid acquisition of PN signals for DS/SS systems employing a phase estimator

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Authors
Kang, Suwon; Lee, Yong-Hwan
Issue Date
1999-07
Citation
IEEE 49th Vehicular Technology Conference, vol. 1, pp. 118-122, July 1999
Keywords
ACQUISITIONPHASE ESTIMATOR
Abstract
We propose a scheme for rapid acquisition of PN signals for direct-sequence spread spectrum (DS/SS) CDMA systems by estimating the phase of the incoming PN signal with the use of an auxiliary signal. The phase of the incoming PN signal is estimated using the cross-correlation properties between the PN signal and the auxiliary signal. The estimated phase is used to initialize the phase of the local PN code generator. A conventional serial search scheme is used to detect phase alignment. The performance of the proposed acquisition scheme is analytically evaluated in terms of the mean acquisition time. Results show that the proposed scheme can significantly reduce the acquisition time.
Language
English
URI
http://hdl.handle.net/10371/7565
DOI
https://doi.org/10.1109/VETEC.1999.778030
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
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