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Pre-rake assisted rake receiver for TDD WCDMA system

Title
Pre-rake assisted rake receiver for TDD WCDMA system
Authors
Jung S.-H.Kim N.-M.Suh H.-J.
Ewha Authors
김낙명
SCOPUS Author ID
김낙명scopus
Issue Date
2003
Journal Title
IEEE Vehicular Technology Conference
ISSN
0740-0551JCR Link
Citation
vol. 57, no. 2, pp. 1396 - 1400
Indexed
SCOPUS scopus
Abstract
The WCDMA system uses rake receiver algorithm or pre-rake algorithm to achieve multipath diversity gain. The pre-rake algorithm works well in slow fading environment, but if the channel condition rapidly changes between the uplink and the downlink, the pre-rake system performance gets degraded. In this paper, we propose a pre-rake assisted rake receiver for TDD WCDMA system. The proposed system can simplify the receiver structure, while increasing the total symbol energy of the received signal effectively. By computer simulation, the performance of the proposed system is compared with the conventional rake only system and pre-rake only system. As a result, the proposed algorithm is proved to achieve better performance than the conventional systems, by more than 3dB.
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엘텍공과대학 > 전자공학과 > Journal papers
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