cpich

Because there is no power control in CPICH , the received common pilot signal power is possibly very low if the mobile is far from the base station , and this time the channel estimates is inaccurate .

由于公共导频信道无功率控制，有可能在接收端接收到的公共导频信号的功率很低，使得信道估计的误差变大。

Performance Analysis for CPICH Acquisition in WCDMA

WCDMA系统下行链路CPICH信道捕获性能分析

In this paper , Performance analysis and comparison of the channel estimation methods based on CPICH and time multiplexed pilot symbols respectively are made from the computer simulation results .

本文就分别基于这两种方式的信道估计算法进行了性能的分析和比较，并给出实现模型及仿真结果。

A RAKE receiver for WCDMA downlink physical channel with the channel estmation by the CPICH is presented .

本文针对WCDMA这一最新改变，给出了利用公共导频信道进行信道估计，实现相干RAKE接收的模型算法、性能分析及仿真结果。

The acquisition of CPICH ( common pilot channel ) provides the primary scrambling code of one base station which is the third step of cell search algorithm in WCDMA systems .

公共导频信道的捕获是WCDMA系统3步同步小区搜索算法的第3步，它给出对基站主扰码的判决信息。

The space-time transmit diversity ( STTD ) architecture in WCDMA downlink is analyzed and the channel estimation method based on the Common Pilot Channel ( CPICH ) is investigated .

分析了WCDMA下行链路STTD发射分集的结构，给出了利用公共导频信道进行信道估计的算法及性能。