摘要
高斯滤波最小频移键控(GMSK)是一种典型的连续相位调制方式,具有包络恒定、频谱紧凑、抗干扰能力强等特点,可有效降低邻道干扰,提高非线性功率放大器的功率,因此在数字移动通信中得到了广泛使用。本文通过在Matlab中的Simulink建立仿真模型进行仿真研究。并通过观察GMSK系统调制、解调信号的波形和误比特率曲线,从而分析GMSK系统的抗噪声性能。
Gaussian Minimum Shift Keying（GMSK） is a typical continuous phase modulation with constantenvelope, with the characteristics of compact spectrum and strong anti-interference. GMSK can effectively reducethe adjacent channel interference and improve the non-linear power amplifier, so it has been widely used in digitalmobile communications. In this paper, a simulation model is made with Simulink in Matlab. And the anti-noiseperformance of GMSK system is analyzed by observing the waveform of the GMSK system modulation, demodulationsignal, and bit error rate curve.
出处
《新疆师范大学学报（自然科学版）》
2015年第2期67-72,2,共6页
Journal of Xinjiang Normal University(Natural Sciences Edition)
基金
新疆师范大学优秀青年教师科研启动基金(XJNU201317)
