Channel estimation in mobile wireless systems

ii 5.2 Periodogram with Rectangular window…………………………………….26 6. SIMULATION RESULTS AND ANALYSIS……………….………………………………………….27 6.1 WINNER phase II model…………………………………………………………….27 6.2 Simulation of the channel estimation of the WINNER II channel model, Slepian basis expansion and Fourier basis expansion…….32 6.2.1 Simulations of the channel estimation of the WINNER II model and the Slepian basis expansion…………………………………….33 6.2.2 Simulations of the channel estimation of the WINNER II model and the Fourier basis expansion……………………………………..36 7. Figure 6.1: BS, MS, active link and direction of the MS…………………………………………………….28 Figure 6.2: Channel gain at 102.6 km/h……………………………………………………………………………29 Figure 6.3: Spectrum of channel process in a high mobility at 102.6 km/h………………………29 Figure 6.4: Channel gain at 50 km/h…………………………………………………………………………………30 Figure 6.5: Spectrum of channel process at 50 km/h…………………….…………………………………30 Figure 6.6: Channel gain for 10 km/h……………………………………………………………………………….31 Figure 6.7: Power spectrum of channel process in a low mobility at 10 km/h………………….31 Figure 6.8: Fitting of WINNER model with Slepian basis expansion………………………….………33 Figure 6.9: Fitting of WINNER model with Fourier basis expansion…………………….……………36 Figure 6.10 MSE as a function of K for Slepian and Fourier at 102.6 km/h………………………..40 Figure 6.11 MSE as a function of K for Slepian and Fourier at 50 km/h……………………………..40 Figure 6.12 MSE as a function of K for Slepian and Fourier at 10 km/h……………………………..41 Figure 6.13 MSE as a function of K for Slepian and Fourier at 102.6 km/h………………………..