Two-Dimensional RAKE Reception Scheme for DS/CDMA Systems in Beam Space Digital Beam Forming Antenna Configuration

Takashi INOUE
Yoshio KARASAWA

Publication
IEICE TRANSACTIONS on Communications   Vol.E81-B    No.7    pp.1374-1383
Publication Date: 1998/07/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Third Generation Land Mobile Communication Systems)
Category: 
Keyword: 
DS/CDMA,  RAKE reception,  2D-RAKE,  anti-fading technique,  wideband propagation channel model,  

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Summary: 
To enhance the anti-fading technique of direct sequence code division multiple access (DS/CDMA) schemes in land mobile radio communication systems, a two-dimensional RAKE reception (2D-RAKE) scheme in beam space digital beam forming (BS-DBF) antenna configuration is proposed. The proposed scheme is applied to cellular base stations where the received signals in the reverse link are relieved from multipath fading by means of enhanced RAKE combining in spacial and temporal domains. Fundamental performance in the reverse link under multipath fading environments is investigated by computer simulation applying a wideband propagation channel model.