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本文提出在宽带网中宜于采用MSK调制技术。首先分析了宽带网是具有带宽受限和功率受限等特点的频分复用系统。为提高网络的信道容量及其性能,必须选择合适的数字调制方式。然后分析了各种主要数字调制方式的性能,指出MSK是目前国内外发展较快的一种数字调制技术,它具有频带利用率高,频谱集中,误码性能优越等特点,特别适于宽带网在带宽和功率受限的情况下采用。最后,分析了MSK的信号形式并研究了MSK调制技术在宽带网中的实现方法。
This paper proposes to adopt MSK modulation technology in broadband networks. First of all, it analyzes the broadband network is a frequency division multiplexing system with the characteristics of limited bandwidth and limited power. To improve the channel capacity of the network and its performance, we must choose the appropriate digital modulation. Then the performance of various main digital modulation schemes is analyzed. It is pointed out that MSK is a kind of digital modulation technology developed rapidly at home and abroad. It has the characteristics of high frequency band utilization, spectrum concentration and superior error performance, and is especially suitable for broadband networks Used with limited bandwidth and power. Finally, the signal form of MSK is analyzed and the realization method of MSK modulation in broadband network is studied.