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Performance Comparison of RAKE Receivers in SC-UWB Systems and DS-UWB Systems
Zhenyu XIAO Li SU Depeng JIN Lieguang ZENG
Publication
IEICE TRANSACTIONS on Communications
Vol.E93-B
No.4
pp.1041-1044 Publication Date: 2010/04/01 Online ISSN: 1745-1345
DOI: 10.1587/transcom.E93.B.1041 Print ISSN: 0916-8516 Type of Manuscript: LETTER Category: Wireless Communication Technologies Keyword: UWB, SC-UWB, DS-UWB, RAKE,
Full Text: PDF(218.6KB)>>
Summary:
RAKE receivers are generally employed to collect multipath energy in single-carrier ultra-wideband (SC-UWB) systems and direct-sequence ultra-wideband (DS-UWB) systems. Performance of RAKE receivers in these two kinds of systems is studied and compared with each other in this letter. Both theoretical analysis and simulation results over IEEE 802.15.3a UWB channels are presented. Our results show that, with the same signal to noise ratio (SNR) per bit, the same occupied bandwidth and the same number of RAKE fingers, RAKE receivers with maximum ratio combination (MRC) in SC-UWB systems can achieve exactly the same performance as that in DS-UWB systems.
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