NTT DOCOMO, INC. (DOCOMO) commenced commercial 5G standalone (SA)-based services on December 13, 2021, with NECI providing packet core (5GC) and base stations (5G RUs, CU/DU).
The cloud-native design of
NECI's 5G Core for SA, which includes container and Control and User Plane
Separation (CUPS), enables flexible operation for various services. NECI's 5GC
for SA also uses network slicing technology to develop customized networks
on-demand to meet the needs of 5G services like eMBB (enhanced Mobile
Broadband), mMTC (massive Machine Type Communication), and URLLC
(Ultra-Reliable and Low Latency Communications).
Furthermore, NECI's 5G CU/DU,
which was previously operating on DOCOMO's commercial network as a
non-standalone (NSA) device, has been smoothly upgraded to 5G SA via a software
upgrade in conjunction with the 5GC as mentioned above.
"5G SA enables the supply
of networking solutions that can adapt to a wide range of use cases," NTT
DOCOMO Senior Vice President Hiroshi Kobayashi stated. "Through its 5G SA,
NTT DOCOMO will contribute to the creation of new value and the resolution of
social concerns, as well as support the continued advancement of its 5G network
to make its customers' lives more easy and prosperous," says the
Company." "It's a pleasure to have been a part of the commercial
launch of NTT DOCOMO's 5G SA services." the Company further added.
NECI's Executive Vice President
Atsuo Kawamura further stated,” By offering high-quality and dependable 5GC and
base station equipment, we will help DOCOMO expand its 5G services, while also
contributing to the continued development of next-generation mobile
infrastructure across worldwide markets."
What
Is 5G and How Does It Work?
Radio frequencies (also known
as a spectrum) are used in wireless communications systems to transmit long
distances.
5G is similar to 4G. However,
it uses higher radio frequencies that are less crowded. This phenomenon enables
it to transport more data at a much faster rate. Millimeter waves are the
higher frequency bands (waves). Regulators have opened them available for
licensing after they were previously unlicensed. Because the necessary
equipment was both unavailable and expensive, they had mostly gone unnoticed by
the general population.
While higher bands are faster in carrying data, sending across long distances can be problematic. Physical objects, such as trees and buildings, can easily block them. 5G will use numerous input and output antennae to improve signals and capacity across the wireless network to overcome this difficulty.
Tiny transmitters will also be
used in the technology. Instead of employing single standalone masts, they are
mounted on buildings and street furniture. According to current predictions, 5G
will accommodate 1,000 more devices per meter than 4G.
A physical network can also be sliced into several virtual networks using 5G technology. Operators will supply the appropriate network slice based on how it is being used, allowing them to manage their networks better.
This process means that, depending on the
importance of the task, an operator will be able to choose varying slice
capacities. The planning team might segregate simpler devices from more complex
and demanding applications, such as managing driverless vehicles. A single user
streaming a video would use a different slice of a corporation.
Businesses will also rent their
own segregated and insulated network slice to distinguish them from other
Internet traffic.
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