2006•Information and Electronic EngineeringRequires access

Hardware Platform for High Order QAM Demodulator

Dong Yao

Abstract

In order to satisfy the demands of the multimedia and computer communications,and increase the frequency spectrum efficiency,a hardware platform for a variable-rate QAM demodulation based on European DVB-C standard is presented.The QAM demodulation theory is simply discussed.Several ASIC chips are used as the basic function units to realize the symbol recovery and carrier synchronization,and then QAM signals are demodulated.

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Available abstract

Key concepts: Demodulation, QAM, Quadrature amplitude modulation, Synchronization (alternating current), Carrier recovery, Computer science, Electronic engineering, Symbol (formal)