节点文献
CDMA系统反向链路闭环功率控制的测量算法
CDMA Systems Reverse Link Close Loop Power Control Measurement Algorithm
【摘要】 功率控制是用来克服CDMA系统中"远近效应"的有效手段,而功率测量是功率控制的基础和关键技术。文中对CDMA系统反向键路闭环功率控制中的功率测量技术进行了研究,通过对反向链路信号的传输分析,推导出接收机多径合并后的判决变量系数的表达式,并在此基础上推导出一种以测量短时平均信干比为基础的功率测量算法。通过系统仿真,证明该算法收敛,对信号功率能有效地测量。
【Abstract】 The power COntrol is an effidsnt method to solve the near far effeCt which arses inca-CDMA syStems. POwer ineaSurend is the fund-metal and critiCal aignals ac drives isexpr Of the d variable at output Of the RAKE receiver. on that,a method to estimate theshoat term Eb/Io Of the reCeived is Obtained. Computer simulation is tO Check the aigorithln at thePlateform Of workstation,tal the result is agree with tbo algorithm.
【关键词】 码分多址;
个人通信;
功率测量与控制;
移动通信;
【Key words】 CDMA; personal communication; power control and measurement; mobilecommunication;
【Key words】 CDMA; personal communication; power control and measurement; mobilecommunication;
【基金】 国家科委863高科技项目
- 【文献出处】 电子科技大学学报 ,Journal of University of Electronic Science and Technology of China , 编辑部邮箱 ,1996年S3期
- 【分类号】TN914.53
- 【被引频次】3
- 【下载频次】107