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This paper explores the possibility of achieving multi-gigabit data throughput over wireless networks, by using the FPGA technology. It focuses on the implementation complexity of an Orthogonal Frequency-Division Multiplexing (OFDM) modulation, as the most complex part of a physical layer in an 802.11 wireless network.The calculations are performed for a typical OFDM system, as synthesized in the Xilinx ISE Studio for the most popular Xilinx FPGA architectures. The results present the upper processing speeds that can be expected from an FPGA implementation of an OFDM modem.

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