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Frequency-Domain Rake Combining for Antenna Diversity Reception of DS-CDMA Signals
Fumiyuki ADACHI Takeshi ITAGAKI
IEICE TRANSACTIONS on Communications
Publication Date: 2003/09/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
frequency-domain equalization, rake combining, antenna diversity reception, DS-CDMA,
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Frequency-domain representation of the well-known time-domain rake combining for the antenna diversity reception of DS-CDMA signals is derived. Two receiver structures using frequency-domain rake combining are presented. Frequency-domain rake combining can alleviate the complexity problem of the time-domain rake arising from too many paths in a severe frequency selective fading channel at the cost of guard interval insertion. The results shown in this paper show a possibility that a DS-CDMA approach still remain to be promising for broadband wireless access technique.