Optimum Filter design for digitally modulated signal

Optimum Filter design for digitally modulated signal
Author(s):
Kiran S Kale
Keywords:
(QAM), AWGN Channel, RPF etc.
Abstract
Modern communication systems use modulations with high spectral efficiency to transmit information over limited bandwidth channels. Thus, quadrature amplitude modulation (QAM) is widely used but requires accurate synchronization between transmitter and receiver oscillators. Use of an equalizer with an adaptive algorithm is then necessary to correct inter- symbols interferences. When distortions, frequency offset and modulation level become important, a joint architecture is mandatory to allow carrier recovery and adaptive equalization algorithms to collaborate and work efficiently. Different type of filters suggested in this paper to low down the noise in communication channel.
Article Details
Unique Paper ID: 146647 Publication Volume & Issue: Volume 5, Issue 1 Page(s): 388 - 391
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