采用对数域信号处理的GSM低中频多相接收机

2000 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium Digest of Papers (Cat. No.00CH37096) Pub Date : 2000-06-10 DOI:10.1109/RFIC.2000.854422

B. Minnis, P. Moore, A. Payne, A. C. Caswell, M. Barnard

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引用次数: 15

摘要

介绍了一种GSM多相接收机的设计。与超高温解决方案相比，它提供类似的性能，但更容易集成在硅片上，而不需要片外通道滤波器。与零中频解决方案相比，由于消除了直流偏移和IP/sub 2/生成问题，性能得到了实质性的提高。对数域信号处理的使用简化了数字基带，消除了对AGC的需求。

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A low-IF polyphase receiver for GSM using log-domain signal processing

The design of a polyphase receiver for GSM is presented. Compared with a superhet solution, it offers similar performance but is very much easier to integrate on silicon without the need for off-chip channel filters. Compared with a zero-IF solution, a substantial improvement in performance is achieved by virtue of eliminating the problems with DC offsets and IP/sub 2/ generation. The use of log-domain signal processing leads to simplifications in the digital baseband and eliminates the need for AGC.

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2000 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium Digest of Papers (Cat. No.00CH37096)

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