Blog - Cloud RAN & Next-Gen Wireless Access

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Cloud RAN & Next-Gen Wireless Access


The radio access network (RAN) is the critical asset that underpins the world's largest technology platform -- mobile communications. It is fundamental to wide-area connectivity and supports an enormous, and expanding, range of services.
Cloud RAN -- sometimes also known as software-defined RAN (SD-RAN) -- is emerging as central to the new wireless network architecture. As they "cloudify" their networks, operators are seeking to apply principles of centralized control and distributed processing to wireless access. This, inevitably, means a more software-centric, software-configurable RAN is emerging.
In the next-generation Cloud RAN architecture, real-time functions are deployed close to the user (e.g.,Chec at the antenna site) to accurately and efficiently manage air interface resources, while non-real-time control functions are hosted centrally (e.g. at a distributed data center) to coordinate transmissions across the coverage area. In 5G this architecture is being formalized with the Central Unit (CU) and Distributed Unit (DU) functional split.

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http://www.lightreading.com/mobile/c...a/d-id/731783?

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V250