RF Engineering, Implementation, and Operation
VzW is intensifying its deployment of C-RAN in an attempt to try and solve in-building coverage gaps in dense urban environments. Inadvertently creating serious Radio Access Network (RAN) QoS problems due to the high RAN latency C-RAN architectures.
Delayed modulation decision making and high latency issues in the "cloud e-nodeB pool model" will definitely impair streaming services, eg, VoLTE, VTC, VoIP, Movies, online radio and any other timing sensitive applications. Forward error correction (FEC) overheads and poor RF conditions will exasperate the problem, and the outcome will be more to deploy more DAS and small cells.. 3GPP optimized LTE RAN latency to 5.5ms by moving the radio network controller (RNC) and radio resource controller (RRC) from the core network to the e-nodeB., C-RAN architecture creates serious latency hazards and bottlenecks that will need to be considered, it's architecture is inherently not optimized for LTE latency and this blogger still believes DAS and small cells are superior for LTE and 802.11x WiFi deployment.
If you want a quality in building and campus wireless experience contact Fast DAS. I'm in the midst of writing a research article about C-RAN now. If you like, I will send you a link when it’s ready just shoot me an email at firstname.lastname@example.org.
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Farzin S. Yazdani
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