Rf Transceiver

about main project on OFDM (FPGA VHDL)?

Can anybody provide me reliable links about FPGA VHDL implementation of OFDM transceiver ?
Both baseband(FPGA) and RF-end (Non-FPGA)implementation .
Main blocks for implementation are FFT/IFFT,scrambler/de-scrambler,mapper/de-mapper,cyclic-prefix add/remove,coder/decoder,bit interleaver/de-interleaver, etc.
I am planning to implement this multiplexing technique for UWB MB-OFDM communication.
So, I have to design UWB Antenna,Low Noise Amplifier, PLL [...]