Investigations on Lifting Scheme Based DWT OFDM and Its FPGA Implementation

Provided by: Asian Research Publishing Network (ARPN)
Topic: Hardware
Format: PDF
One of the most promising modulation techniques is orthogonal frequency division multiplexing. In most of the wireless and wired standards, it has been widely adopted. The main idea of OFDM is to utilize the numerous number of closely spaced orthogonal subcarriers into a parallel stream of channels to transmit data. Here in this paper, implementation of DWT based OFDM in FPGA is done using lifting scheme architecture. The lifting scheme of DWT architecture is made by using both System generator Xilinx and Simulink Matlab and the results are analyzed. Also the linking of lifting scheme with OFDM is done.

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