List of Figures and Tables Integrated Wireless-PON Access Network Architectures ix
Figure 5-11: BER versus SNR for upstream WiMAX signals over faded SUI-4 ................................... 109
Figure 6-1: Multi-wavelength WiMAX-PON ......................................................................................... 117
Figure 6-2: Required WiMAX spectral mask (left) in comparison to modeled (right) ........................... 121
Figure 6-3: Transmitted optical spectrum observed at the output of the AWG ...................................... 122
Figure 6-4: AWG modeling in VPI ......................................................................................................... 123
Figure
6-5: 5×5 Gaussian response of dense AWG modeling ................................................................ 124
Figure 6-6: Modified ONU/BS to account for multi-wavelength transmission ...................................... 125
Figure 6-7: VCSEL array - practical (left) and modeled (right) .............................................................. 126
Figure 6-8: VPI model utilized to set the required noise floor for the wireless receiver ......................... 128
Figure 6-9: EVM versus RF drive power for the two wavelengths ......................................................... 129
Figure 6-10: BER versus received power for the WiMAX channels in the overlapping sector
downstream ............................................................................................................................................. 130
Figure 6-11 : BER versus received power for the WiMAX channels in the overlapping sector upstream
................................................................................................................................................................. 131
Figure 7-1: WiMAX over multi-wavelength splitter-PON and experimental setup ............................... 138
Figure 7-2: Output from the ADM .......................................................................................................... 142
Figure 7-3: Obtained EVM for 3.5 GHz WiMAX channel at remote antenna downstream ................... 144
Figure 7-4: Electrical spectrum after PIN ................................................................................................ 145
Figure 7-5: Obtained EVM for 3.5 GHz WiMAX channel at remote antenna downstream ................... 146
Figure 7-6: Obtained EVM at the WiMAX OLT receiver for 3.5 GHz channel ..................................... 147
Figure 7-7: 64-QAM Downstream (left) and 16-QAM upstream (right) modulation ............................. 148
Figure 8-1: Long reach optical/wireless integration (MO: middle office, eNB: enhanced Node B) ....... 161
Figure 8-2: LTE network architecture (P-GW: packet gateway, S-GW: service getaway, MME: mobility
management unit) .................................................................................................................................... 162
Figure 8-3: An example of xPON backhauling for LTE ......................................................................... 162
Figure 8-4: CPRI general block diagram ................................................................................................. 164
Figure C-1: Experimental setup photo .................................................................................................... 180
Figure C-2: VPI network modelling ........................................................................................................ 181