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Issue:
Wavelet and Its Hilbert Transform Based Multi-Carrier CDMA
Author(s):
LI Weihua
,
ZHAO Yahong
,
WU Weiling
Pages:
60
-
63
Year:
2002
Issue:
3
Journal:
JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS
Keyword:
多载波码分多址
;
小波
;
带宽效率
;
Abstract:
根据小波的希尔伯特变换与其自身时移正交、与相应的小波及小波的时移正交的特点,提出了3种基于小波及其希尔伯特变换的多载波CDMA,比较了传统多载波CDMA与提出的多载波CDMA性能差异.在AWGN信道下,基于小波及其希尔伯特变换的多载波CDMA与传统MC/BPSK-CDMA和MC/QPSK-CDMA具有相同的BER,且在不增加带宽的情况下,加倍了比特速率.
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