A Novel Circuit Design Based Cordic For Qam Modulator

Xueming Wei,Shengyuan Zhou

2007 INTERNATIONAL CONFERENCE ON COMMUNICATIONS, CIRCUITS AND SYSTEMS PROCEEDINGS, VOLS 1 AND 2: VOL 1: COMMUNICATION THEORY AND SYSTEMS; VOL 2: SIGNAL PROCESSING, COMPUTATIONAL INTELLIGENCE, CIRCUITS AND SYSTEMS（2007）

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摘要

Quadrature Amplitude Modulation (QAM) is applied extensive in the fields of broadcasting and satellite communication for its high efficiency on power consumption and bandwidth using. The paper introduces a novel circuit which makes use of CORDIC algorithm to implement QAM modulator. The CORDIC module can complete ASK function as well as export two-way orthogonal signal synchronously By using this character, we can implement high speed QAM modulator with single filter.

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关键词

satellite communication,cordic algorithm,logic design,bandwidth,integrated circuit design,circuit design,quadrature amplitude modulation

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