NDLI: Performance benefits of fractional sampling in the initial code synchronization for the wireless access of 3G mobile communications

Content Provider	IEEE Xplore Digital Library
Author	Benedetto, F. Carli, M. Giunta, G. Neri, A.
Copyright Year	2005
Description	Author affiliation: Dept. of Appl. Electron., Rome Univ., Italy (Benedetto, F.; Carli, M.; Giunta, G.; Neri, A.)
Abstract	The paper addresses algorithms for the initial code synchronization of the W-CDMA wireless access infrastructure. Conventional non-coherent algorithms of sequential cell search usually operate at the chip rate. We match the conventional power detector procedure, based on one sample chip, to the fractional technique operating at twice the chip rate. In our analysis, we have used the constant false alarm rate procedure, often employed to perform effective tests. The benefits of using fractional chip sampling on the mean acquisition time are twofold: code acquisition denotes improved cross-correlation accuracy; timing error results are half those of the conventional technique. Slot synchronization error rate has been evaluated for various wireless channels (pedestrian and vehicular scenarios). The possible disturbing effect of further base stations has been also examined. The obtained results evidence a significant realtime saving of the mean acquisition time in the presence of typical pedestrian and vehicular scenarios.
Starting Page	377
Ending Page	381
File Size	251077
Page Count	5
File Format	PDF
ISBN	0780388879
ISSN	15502252
DOI	10.1109/VETECS.2005.1543315
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-30
Publisher Place	Sweden
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Sampling methods 3G mobile communication Multiaccess communication Detectors Performance analysis Performance evaluation Testing Accuracy Timing Error analysis wireless access Cell search Code synchronization UMTS W-CDMA
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Electrical and Electronic Engineering Computer Science Applications

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