TD-SCDMA系统中基于线性预测的内环功率控制  

Inner-loop Power Control Based on the Linear Prediction in TD-SCDMA

作　　者：李鹏[1] 李莉[2] 

机构地区：[1]中国石油大学(华东)计算机与通信工程学院,山东东营257061 [2]山东胜利职业学院建设工程分院,山东东营257000

出　　处：《郑州大学学报（工学版）》2008年第3期51-53,共3页Journal of Zhengzhou University（Engineering Science）

基　　金：国家自然科学基金资助项目(60572020)

摘　　要：针对TD-SCDMA系统的特点,基于其系统中内环功率控制的方法,提出了一种基于线性预测参数的内环功率控制算法,结合开环、外环功率控制,对不同信道条件、不同控制输入参数的内环功率控制进行了仿真,结果表明,该算法可以适当补偿路径损耗和慢衰落,对系统性能的提高有一定的益处.In view of the characteristics of the TD-SCDMA system,the inner- loop power control algorithms in the system are elaborated,and a power control algorithm based on linear prediction of the input parameters of the power control is also put forward. In combination with open -loop and outer- loop power control, the inner - loop power control under some conditions such as different channel environments and different control parameters has been simulated. It shows that the algorithm can counteract the power loss of path loss and slow fading to a certain extent, so as to benefit the system performance.

关 键 词：时分双工同步码分多址 功率控制 信干比 开环 内环 

分 类 号：TN914[电子电信—通信与信息系统]