Multipath Searcher for W-CDMA System 


Vol. 27,  No. 6, pp. 601-609, Jun.  2002


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  Abstract

In multi-path wireless channels with time-variant delay profile, a mobile station measures the received signal strength and report it to network which performs network control function such as handover. In order to improve the maximum ratio combining (MRC) gain, it also should search the strongest signal paths and measure their time offsets fast and exactly. This paper proposes some methods of fast and exactly measuring the multi-path signal strength and time offset. Since the W-CDMA system adopts antenna diversity technique for the next generation high speed packet access (HSDPA) service, we derive the optimum design parameter values for the proposed methods through computer simulations under the HSDPA conditions of low speed of mobile, of no power control, and of multi-path wireless environment with transmit and receive antenna diversity. Finally, we prove the validity of the proposed methods by showing the improvement of the bit error rate (BER) performance.

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  Cite this article

[IEEE Style]

S. H. Won and W. W. Kim, "Multipath Searcher for W-CDMA System," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 6, pp. 601-609, 2002. DOI: .

[ACM Style]

Seok H. Won and Whan Woo Kim. 2002. Multipath Searcher for W-CDMA System. The Journal of Korean Institute of Communications and Information Sciences, 27, 6, (2002), 601-609. DOI: .

[KICS Style]

Seok H. Won and Whan Woo Kim, "Multipath Searcher for W-CDMA System," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 6, pp. 601-609, 6. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880