Design and Performance Evaluation of Carrier Lock Detection in Digital QPSK Receiver

被引：0

作者：

Fu WenJun ^{[1
]}

Jiang JingShan ^{[1
]}

Wang ShuanRong ^{[1
]}

Lv Luan ^{[1
]}

机构：

[1] Chinese Acad Sci, Ctr Space Sci & Applicat Res, Beijing, Peoples R China

来源：

2006 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS, VOLS 1-12 | 2006年

关键词：

carrier lock detection; quadrature phase-shift keying; AWGN Channel;

D O I：

暂无

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Carrier lock detection function based on QPSK digital receiver has been analyzed in details. Beginning with how to construct a carrier lock detector, we point out the conditions that a good carrier lock detection function should conform to. Then a new carrier lock detector was proposed, which surpasses the traditional methods in performance and hardware cost. By comparing the performances of all of these carrier lock detectors, we conclude that the new carrier lock detector has the better performance at lower SNR, which indicate it is more suitable for lower demodulator threshold digital receivers.

引用

页码：2941 / 2945

页数：5

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