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Cloud Radio Access Network (C-RAN) or centralized RAN could be seen as a promising solution to deal the 5G requirements. Traditional C-RANs are organized as a three-element network, that contains Base Band Unit (BBU) pool, Radio Radio Remote Unit (RRU) and the network interconnecting BBUs and RRUs called fronthaul. The BBU provides baseband signal processing functions and the RRU provides Radio Frequency...
The introduction of the Common Public Radio Interface (CPRI) technology allows for a centralization in Base Bandwidth Unit (BBU) of some access functions with advantages in terms of power consumption saving when switching off algorithms are implemented. Unfortunately the advantages of the CPRI technology is to be paid with an increase in bandwidth to be carried between the BBU and the Radio Remote...
We propose an integrated OTN/WDM switch that allows for significantly lower complexity and cost at the price of relaxing the non-blocking ideal performance requirements normally required to such a kind of switch. In this paper we investigate the impact that the switch blocking has on the network performance in static and dynamic scenario. We show how blocking degradation occurs in a case study of...
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