An optimized SAW chirp -Z Transform for OFDM systems

The OFDM system that can use it combined to the Fourier transform to the OFDM signal for amount of wave of the inverse Fourier transform and received OFDM can have a definite advantage in power consumption, a super-high-speed operation processing performance be possessed, and the SAW chirp-Z transform be applied to high-speed wireless LAN and WAN. As for the SAW chirp-Z transform, operation speed 5.5 GFLOPS is feasible in OFDM for 5 GHz band high-speed wireless LAN. However, the following points exist as a problem to the OFDM system that consists of the SAW chirp-Z transform. 1. In the SAW element, is not the temperature delay characteristic a problem? 2. There might be a limit in the adjustment of the chirp rate by the accuracy of the pattern of the SAW element. This paper presents the solution of these various problems, and has achieved optimization SAW chirp- Z transform for the OFDM system.