Integrated Wireless-pon access Network Architectures Milos Milosavljevic

Figure 2-5: Enhancement band for gigabit capable optical access networks
Chapter 2 Next Generation Access Networks
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in support of the GPON standard, enhancements to address the network of the 
future requirements have been also recently defined by ITU-T [38]
wavelength band operation. To that extent, multi-wavelength transmission over the currently 
based PONs should be demonstrated at the slightest modification 
hardware, supporting e.g. 10G-PON operation on separate wavelengths simultaneously with 
next generation and traditional ONUs can operate concurrently in the 
the standard defines the application of wavelength selective 
s displayed in Figure 2-5 [38], inside the OLT next generation access 
(NGA) and RF (e.g. video or wireless) related services are multiplexed on different wavelengths 
and broadcasted to each ONU via passive splitter. Inside the ONU a specific wavelength is 
selected by wavelength division multiplexer (WDM) filter prior to the 
blocking filter (WBF) could then be used to separate different services 
supported by specific ONU on the same wavelength (e.g. GPON and video). 
splitter size, IF-interface, NGA-Next Generation Access, WBF(V)
Enhancement band for gigabit capable optical access networks
 
Next Generation Access Networks 
in support of the GPON standard, enhancements to address the network of the 
[38] by employing extended 
wavelength transmission over the currently 
based PONs should be demonstrated at the slightest modification in network 
on separate wavelengths simultaneously with 
next generation and traditional ONUs can operate concurrently in the 
ve filters to be supported 
inside the OLT next generation access 
are multiplexed on different wavelengths 
and broadcasted to each ONU via passive splitter. Inside the ONU a specific wavelength is 
multiplexer (WDM) filter prior to the signal reception at the 
blocking filter (WBF) could then be used to separate different services 
(e.g. GPON and video).
Next Generation Access, WBF(V)-Wideband Filter (Video),