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强干扰情况下用于CDMA系统的时空域联合处理
引用本文:曾涛,龙腾,毛二可.强干扰情况下用于CDMA系统的时空域联合处理[J].电子学报,2000,28(6):51-54.
作者姓名:曾涛  龙腾  毛二可
作者单位:清华大学电子工程系微波与数字通信国家重点实验室,北京 100084
摘    要:本文提出了一个时空域联合处理技术来对抗码分多址通信系统中的多址干扰.它由智能天线和多用户联合检测结合而成,智能天线可以压制与有用信号来向不同的干扰,余下的与用户信号来向相同的干扰可以被多用户联合检测系统消除.这种结构在干扰严重的信道仍能得到令人满意的效果.

关 键 词:码分多址  智能天线  多用户联合检测  时空域联合处理  
收稿时间:1999-05-11

A New Approach of the Design and Realization of Intermediate Sampling Filter
ZENG Tao,LONG Teng,MAO Er-ke.A New Approach of the Design and Realization of Intermediate Sampling Filter[J].Acta Electronica Sinica,2000,28(6):51-54.
Authors:ZENG Tao  LONG Teng  MAO Er-ke
Affiliation:State Key Lab on Microwave & Digital Communications,Tsinghua University,Beijing 100084,China
Abstract:Many signal processing algorithms aim at complex signals,so it is important to create complex signal from the bandpass real signal.Intermediate frequency sampling technique samples the intermediate frequency signal directly and produces complex signal by digital signal processing.Unlike current IF sampling method,the bandwidth of the sampling filter proposed in this paper is variable,and the coefficients of the filter are given analytically.The new filter produces similar results when the sampling rate is 2b or 4b,and works much better when the band of the signal is narrow.
Keywords:IF sampling  digital filter
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