| 基于GMSK调制终端的相位误差测试中的算法研究 |
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| 引用本文： | 唐彦波,GE Wan-cheng.基于GMSK调制终端的相位误差测试中的算法研究[J].通信技术,2008,41(8). |
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| 作者姓名： | 唐彦波 GE Wan-cheng |
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| 作者单位： | 同济大学,电信学院,上海,200092 |
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| 基金项目： | 德国罗德与施瓦茨公司资助 |
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| 摘 要： | 丈章采用优化最小二乘算法实现基于GMSK调制终端中相位、频率误差的测试.对GSM测试终端的频率和相位误差特性进行了详细分析.在分析罗德施瓦茨综合测试仪CMU200的相位误差测试原理和方法的基础上,结合GSM突发脉冲的特性,提出了采用分段式最小二乘法来计算相位误差的算法.仿真表明分段最小二乘方法是测试射频终端相位误差的快速、准确的方法.
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| 关 键 词： | 高斯最小频移键控 分段式最小二乘法 相位误差 频率误差 |
Algorithm for Phase Error Measurement based on GSMK Modulated Terminal |
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| TANG Yan-bo,GE Wan-cheng.Algorithm for Phase Error Measurement based on GSMK Modulated Terminal[J].Communications Technology,2008,41(8). |
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| Authors: | TANG Yan-bo GE Wan-cheng |
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| Affiliation: | TANG Yan-bo,GE Wan-cheng(School of Electronics , Information of Tongji University,Shanghai 200092,China) |
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| Abstract: | This article describes the realization of optimized least square method in measuring phase error and frequency error based on GMSK modulated terminals.The characteristic of frequency error and phase error on GSM terminals is analyzed.The paper also demonstrates how to test phase error in Rohde & Schwarz CMU200.The disjunction LSM algorithm has been employed for calculating frequency error based on the special GSM burst.Simulation result indicates that the LSM algorithm is a good choice for precise phase err... |
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| Keywords: | GMSK Disjunction LSM Phase error Frequency error |
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