不完美开环功率控制的CDMA系统分析(英文)

Analysis of CDMA System with Imperfect Open-loop Power Control

根据卫星移动通信系统传播是延长的特点,采用Moment-Generating-Funetion的方法,研究了CDMA系统在移动卫星条件下的功率控制和不完美电源控制系统的性能;采用开环功率控制,减少了功控误差;讨论了信道模型,给出了补偿因子和仿真结果。整个评估过程易于公式化,以简洁表格形式表达的平均误差性能使不同系统参数作用更易于检验。

The paper study the power control of the motion satellite, based on the broadcast delay feture of the motion satellite communication system. A moment-generating-function based approach is used in this paper for analyzing the system performance with imperfect power control. Compared with the previous work,to bring down the error of power control, analyzing the channel model, calculating the offset factor,giving the result of simulation, our whole evaluation procedures are easily formulated and the average error performance in compact forms can be obtained to ease the examination of effects of different system arameters.