卫星移动系统中一种改进的窄带M-ary FSK技术

Eleventh Annual International Phoenix Conference on Computers and Communication [1992 Conference Proceedings] Pub Date : 1992-04-01 DOI:10.1109/PCCC.1992.200609

J. Fonseka

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引用次数: 1

摘要

为了提高卫星移动信道中带限制器鉴别器的移频键控(FSK)性能，提出了基带脉冲整形技术。对二进制、四进制和八进制信号的数值计算结果表明，脉冲型信号的性能明显优于FSK信号。分析了存在多普勒频移时的误码率下限。数值结果表明，脉冲形信号的误码率下限明显低于FSK信号。

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An improved narrow-band M-ary FSK technique in satellite mobile systems

Baseband pulse shaping is proposed to improve the performance of M-ary frequency shift keying (FSK) with limiter discriminator detection in a satellite mobile channel. Numerical results obtained for binary, quaternary and octonary signals, indicate that pulse shaped signals perform significantly better than FSK signals. The error rate floor in presence of a Doppler shift is also analyzed. Numerical results indicate that the error rate floor of the pulse shaped signals is significantly lower than that of FSK signals.<>

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Eleventh Annual International Phoenix Conference on Computers and Communication [1992 Conference Proceedings]

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