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IEICE TRANSACTIONS on Fundamentals

An Initial Code Acquisition Scheme for Indoor Packet DS/SS Systems with Macro/Micro Antenna Diversity

Youhei IKAI, Masaaki KATAYAMA, Takaya YAMAZATO, Akira OGAWA

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Summary :

In this paper, we study macro/micro diversity techniques for code acquisition of a direct-sequence spread-spectrum signal in an indoor packet communication system. In the system discussed, the base station has several radio ports each with a cluster of antennas, and the terminal also has multiple antennas. The performance in the uplink of this system is analyzed under Lognormal shadowing and flat Rayleigh fading. The numerical results show great performance improvements by proposed diversity techniques. In addition, it is clarified that the mean acquisition time, which is often used as the measure of performance, is not suitable for packet radio systems as it underestimates the necessary preamble length for initial code acquisition.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E83-A No.11 pp.2070-2077
Publication Date
2000/11/25
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications)
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