FPGA Implementation of OFDM Transceiver Using FFT Algorithm

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Provided by: International Journal of Engineering Science and Technology (IJEST)
Topic: Mobility
Format: PDF
Orthogonal Frequency Division Multiplexing (OFDM) is the most promising modulation technique. It has been adopted by most wireless and wired communication standards. The idea is to utilize a number of carriers, spread regularly over a frequency band, in such a way so that the available bandwidth is utilized to maximal efficiency. In this paper the design and implementation of OFDM on a Field Programmable Gate Array (FPGA) device has been presented. This attractive architecture uses Radix-2 serialized 512-point FFT (Fast Fourier Transform) algorithm that enhances its speed. The system design is optimized in terms of both area and speed. The implementation was made on FPGA since it allows flexibility in design and also it can achieve higher computing speed than digital signal processors.
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