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A Novel Multipath Transmission Diversity Scheme in TDD-CDMA Systems
Ji-Bing WANG Ming ZHAO Shi-Dong ZHOU Yan YAO
Publication
IEICE TRANSACTIONS on Communications
Vol.E82-B
No.10
pp.1706-1709 Publication Date: 1999/10/25 Online ISSN:
DOI: Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Mobile Communication Keyword: eigenfilter, TDD-CDMA, multipath, RAKE, FIR filter,
Full Text: PDF>>
Summary:
A novel multipath diversity scheme used in TDD-CDMA systems is presented. A FIR filter is added in the transmitter, while a RAKE combiner is used in the receiver. The optimum FIR filter problem may be viewed as an eigenvalue problem. The multiple antennas system is also analyzed. Results show that this new scheme can greatly improve the output Signal to Noise Ratio (SNR) compared with conventional RAKE receiver or Pre-RAKE diversity system.
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