Abstract

A field-programmable gate array (FPGA) prototyping board and several IP sets have been developed for the next generation wireless LAN standard, IEEE802.11n. This standard specifies the use of state-of-the-art wireless technologies such as MIMO-OFDM (multiple-input multiple-output orthogonal frequency division multiplexing) and LDPC(low-density parity check code) error correction, which means that larger LSI chips are needed. The board has five large-scale FPGAs with mesh connections, so it can easily implement MIMO-OFDM systems. The report also presents some RTL-based IP for 11n system such as frame synchronization, carrier synchronization, co-channel interference cancellation, LDPC error correction, fast Fourier transformation (FFT), and inverse fast Fourier transformation (IFFT).

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