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New cell search algorithm for inter-cell asynchronous mode DS-CDMA mobile radio system

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5 Author(s)
Jun-Kui Ahn ; Dept. of Electr. Eng., Yonsei Univ., Seoul, South Korea ; Seung-Hoon Hwang ; Een-Kee Hong ; Jun-Mo Koo
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Inter-cell asynchronous DS-CDMA systems were proposed for third-generation mobile systems, and many research studies on this system are in progress. An inter-cell asynchronous mode DS-CDMA system using a two-pilot structure was proposed by Hong, Lee, Yang, Ahn and (see IEEE ICUPC'96, vol.2, p.365-8, 1996) for flexible cell deployment. In the system, a cell site transmits two pilots, a cluster and a cell pilot, and the cell search is performed by two steps to decrease the cell search time. In this paper, a practical cell structure and cell search algorithm based on the two-pilot scheme of Hong et al. are described, and the performance of the cell search algorithm is evaluated by computer simulations. The results shows that over than 90% of the cell search can be completed within about 600 ms when 512 cell pilot codes of 40960 chip length is used

Published in:

Vehicular Technology Conference, 1998. VTC 98. 48th IEEE  (Volume:2 )

Date of Conference:

18-21 May 1998