The effect of using channel equalizer in the SDR Modem | Zendy

Sabah N. Hussein | Zendy; Raghad Saad Majeed | Zendy

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The effect of using channel equalizer in the SDR Modem

Author(s) -

Sabah N. Hussein,

Raghad Saad Majeed

Publication year - 2015

Language(s) - English

Resource type - Conference proceedings

DOI - 10.15849/icit.2015.0034

Subject(s) - adaptive equalizer , computer science , electronic engineering , qam , equalizer , channel (broadcasting) , field programmable gate array , intersymbol interference , quadrature amplitude modulation , transmitter , single antenna interference cancellation , equalization (audio) , computer hardware , telecommunications , engineering , bit error rate

The channel equalization is a technique allowing to remove the inter-symbol interference (ISI) in the SDR receiver caused by the radio-mobile channel. In this paper, present a design and implementation of modem with 16-QAM modulation, convolution, interleaved circuit, differential coding and adaptive equalizer using LMS algorithm based of SDR, using MATLAB system generator model. The results show that LMS equalizer gives a good estimation on the proposed channel model. The hardware implementation is done in FPGA board kit, which has shown a promising foundation for developing coding, modulating and other circuit of modems circuits.

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