DS/CDMA系统中硬判决相关接收性能分析

Performance Analysis of Hard-Limiting Correlation Reception in DS/CDMA System

本文从相干接收的角度研究硬判决相关接收在大容量宽带CDMA中的应用可行性。引入误码片率(CER)充分考虑了量化损失的累积影响,给出了BER性能和捕捉性能与用户数的一般关系的精确描述和近似方法。

The feasibility of applying hard-limiting correlation reception into high capacity wide band CDMA is discussed with the aspect of coherent reception. By introducing the concept of the chip error rate(CER)the accumulated effects imposed on the correlating procedure by the quantiza tion loss is well considered. The general expressions that the BER and acquisition performances vary,with the number of users and processing gain are given,accurately and approximately.