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Orthogonal Frequency Division Multiplexing Using Transmitter Band
Ms. Shweta Chawhan,  Dr.Suchitra Varade
Orthogonal Frequency Division Multiplexing (OFDM) is a multi-carrier modulation technique which divides the available spectrum into many carriers. OFDM uses the spectrum efficiently compared to FDMA by spacing the channels much closer together and making all carriers orthogonal to one another to prevent interference between the closely spaced carriers. The main advantage of OFDM is their robustness to channel fading in wireless environment, but here MB-OFDM transmitter baseband is designing in order to provide high speed for application than OFDM . The objective of this project is to design and implement a baseband of MB-OFDM transmitter on FPGA hardware which provides very high speed for application. This project concentrates on developing Fast Fourier Transform (FFT) and Inverse Fast Fourier Transform (IFFT). The work also includes in designing a mapping module, serial to parallel and parallel to serial converter module. The design uses FFT and IFFT for the processing module which indicate that the processing block contain inputs data. All modules are designed using VHDL programming language and implement using Apex 20KE board. The board is connected to computer through serial port.Input and output data is displayed to computer .Software and tools which used in this project includes VHDLmg Design Entry, Altera and Altera Quartus-II Software tools are used to assist the design process and downloading process into FPGA board while Apex board is used to execute the designed module.
Unique Identification Number - IJEDR1403037Page Number(s) - 3129-3136Pubished in - Volume 2 | Issue 3 | Sept 2014DOI (Digital Object Identifier) -    Publisher - IJEDR (ISSN - 2321-9939)
Cite this Article
Ms. Shweta Chawhan,  Dr.Suchitra Varade,   "Orthogonal Frequency Division Multiplexing Using Transmitter Band"
, International Journal of Engineering Development and Research (IJEDR), ISSN:2321-9939, Volume.2, Issue 3, pp.3129-3136, Sept 2014, Available at :http://www.ijedr.org/papers/IJEDR1403037.pdf