Design of FFT Algorithm in OFDM Communication System

Provided by: International Journal of Engineering Research and Applications (IJERA)
Topic: Networking
Format: PDF
The present communication system is limited by three major factors. Those are System capacity, higher data rates and interference. To meet these requirements, 802.11-based wireless LANs has fascinated interest in providing higher data rates and greater system capacities. Among them, the 802.11a standard based on OFDM (Orthogonal Frequency Division Multiplexing) modulation scheme is defined to meet high-speed and large-system-capacity challenges. To implement OFDM System, FFT (Fast Fourier Transform) and IFFT (Inverse Fast Fourier Transform) are the major hardware requirements.

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