Abstract
This paper is proposed to reduce power consumption and cost of operation in the Base Band Unit (BBU) pool by switch off number of BBUs that work at low traffic load. Furthermost, this work is introduced new power consumption model for Cloud Radio Access Network (C-RAN) architecture. Two algorithms have been proposed that host in Control Unit (CU) which located in the BBU pool. One the algorithms is to convert the operation processing of switched off BBUs to the remaining ones depending on their valuable capacities. The other one is to control the electronic Smart Switch (SS) in order to exchange the traffic load between the Optical Transmitters (OTXs). The C-RAN is applied using the DWDM/SCM-PON-RoF architecture to decrease the cost effectiveness. The results in system model validation showed a reduction in the BBUs utilization of 84% and 83% in residential and office area respectively. Furthermore, OTXs operation has been reduced by 86% during the 24 hours compared with the conventional RAN network.
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