DC offset elimination analysis in Zero-IF receiver

被引：0
|
作者：
Lee, CD [1 ]
机构：
[1] Motorola Software Ctr, Motorola Technol Sdn Bhd, CGISS, Global Technol Dev Grp, Bayan Lepas, Penang, Malaysia
来源：
APCC 2003: 9TH ASIA-PACIFIC CONFERENCE ON COMMUNICATION, VOLS 1-3, PROCEEDINGS | 2003年
关键词：
D O I：
10.1109/APCC.2003.1274443
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The most serious problem faced in zero-intermediate frequency (IF) receiver is DC-offset. DC-offset is caused by leakage of the local oscillator (LO) into the down converter input. The receiver performance is significantly degraded due to DC-offset. This paper illustrate, analyze, simulate and compare two digital signal processing (DSP) algorithms which remove this residual DC-offset. In the analysis, the settling time, maximum fluctuation and variance of the two DC estimators were derived.
引用
收藏
页码：675 / 679
页数：5
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