Optimum Transmission Of The Narrow Band PSK For Mobile Radio Services

K. Wakai, Jinzhu Li, T. Komatsu, H. Ikeda
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引用次数: 4

Abstract

The narrow band PSK system for the mobile radio having a small phase deviation angle has been proposed to suppress the spectrum energy spread over the transmission bandwidth. For the determination of the optimum transmission parameters in the narrow band PSK system, the transmission rate, number of phases, and phase deviation angles are changed. The bandwidth in the medium-wave frequency range must be kept within k7.5 kHz because the frequencies are allocated in 9 kHz spans. The experimental results provided the optimum parameters in the PSK system at medium frequencies. These were a transmission rate of 1,200 bps or 2,400 bps, a number of phases of 2

移动无线电业务中窄带PSK的最佳传输
为了抑制频谱能量在传输带宽上的扩散,提出了具有小相位偏差角的移动无线电窄带PSK系统。为了确定窄带PSK系统的最佳传输参数,改变了传输速率、相位数和相位偏差角。中波频率范围内的带宽必须保持在k7.5 kHz以内,因为频率是按9khz的跨度分配的。实验结果为中频PSK系统提供了最佳参数。传输速率为1200 bps或2400 bps,相位数为2
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