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Effect of Nonlinear Amplifiers of Transmitters in the CDMA System Using Offset-QPSK
Manabu SAWADA Masaaki KATAYAMA Akira OGAWA
IEICE TRANSACTIONS on Communications
Publication Date: 1993/07/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section LETTER (Special Section of Letters Selected from the 1992 IEICE Fall Conference and the 1993 IEICE Spring Conference)
radio communication, nonlinear amplifier, CDMA, offset-QPSK,
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This paper deals with study results on the effect of nonlinear amplification in the CDMA system using offset-QPSK signals bandlimited with a square-root cosine roll-off filter. As a result of the study, it is shown that the nonlinear amplification does not affect bit error rate performance with reasonable out-of-band emission characteristics when the roll-off factor of the transmit filter is one.