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Delivers High-AvailabilityNetworks for the Enterprise
| September 26, 2019
Life is digital moments. We are on mission to perfect them. Every day, we take care of more than 20 % of the world's mobile usage data. One billion people get their digital and communications services through our solutions.
Article | April 15, 2021
The Verizon 5G Business Internet rollout that started in parts of Chicago, Houston and Los Angeles continues this month in 21 new markets with more on the way, the company announced Thursday. Verizon Business is marketing fixed-wireless connectivity as an alternative to cable for enterprise and small to midsize customers. In a press release, Tami Erwin, CEO of Verizon Business, said, "As 5G Business Internet scales into new cities, businesses of all sizes can gain access to the superfast speeds, low latency and next-gen applications enabled by 5G Ultra Wideband, with no throttling or data limits."
Nokia and Japan's KDDI have completed a 5G core standalone (SA) network trial, moving the operator closer to being able to provide 5G-enabled services. The standalone trial, using Nokia’s 5G AirGile cloud-native core solution, was conducted entirely independently of previous generations’ mobile network architecture. With a comprehensive 5G core portfolio, Nokia claims that it is well placed to assist KDDI in analyzing the network evolution steps and early deployment of 5G core Stand Alone services, like network slicing in which service providers virtually partition network capacity to subscribers based on customized use case needs.
The next steps for 3GPP, release 16 and 17, will introduce additional features to further enhance the support for new use cases related to smart manufacturing, connected vehicles, electrical power distribution and more, such as drones which are controlled by the network. All of these potentially critical use cases require ultra-reliable low-latency communication (URLLC) which means high reliability and availability, as well as very low end-to-end latency in the range of a few milliseconds. The 5G system is designed with this in mind, and the continued evolution of 5G New Radio (NR) will continue to optimize mobility performance further. A critical part of this is to reduce the handover interruption time between cells in the 5G network.
The RAN (Radio Access Network) architecture for mobile networks includes a remote radio unit (RRU) located at the top of a cell tower, which communicates with a baseband unit (BBU) at the base of the tower. The hardware and communication interfaces are owned by a specific vendor, and its software-driven functionality is tightly coupled within the hardware.
Traditionally, this has worked well for mobile network operators (MNOs). However, there are several drawbacks to consider – for instance, upgrading or changing the wireless network demands physical hardware replacements throughout the network, which is cost-inefficient, labor-intensive, and time-consuming. Furthermore, the equipment and interfaces that connect the hardware are owned by the vendors that originally supplied them, which locks MNOs into existing relationships with them.
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