Network architectures for CPRI backhauling

Mobile networks evolution is heavily driven by the increasing diffusion of broad-band wireless devices. The quickly growing traffic has to be managed by operators drastically reducing CAPEX and OPEX of their networks per transported bandwidth unit: in some cases this may imply the adoption of revolu...

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Bibliographic Details
Main Authors: Lometti, A., Colombo, C., Frigerio, S., Sestito, V.
Format: Conference Proceeding
Language:English
Subjects:
Computer architecture
CPRI (Common Public Radio Interface)
Mobile communication
Passive optical networks
PON (Passive Optical Network)
TDM (Time Division Multiplexing)
Time division multiplexing
Wavelength division multiplexing
WDM (Wavelength Division Multiplexing)
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Summary:Mobile networks evolution is heavily driven by the increasing diffusion of broad-band wireless devices. The quickly growing traffic has to be managed by operators drastically reducing CAPEX and OPEX of their networks per transported bandwidth unit: in some cases this may imply the adoption of revolutionary, more than evolutionary approaches. Under this extent, an important case is CPRI backhauling: a new network paradigm implying centralization of mobile base-band units. The paper describes different functional and physical architectures for CPRI backhauling, comparing them under different CAPEX and OPEX impacting aspects.
ISSN:2162-7339
DOI:10.1109/ICTON.2012.6253770