Page 33 - SAMENA Trends - March-April 2023

REGIONAL & MEMBERS UPDATES SAMENA TRENDS

Make Joint Efforts to Build a 5G New of devices compatible with 5G New Call- Mobile recruited 'friendly users' in Jiangsu,
Calling Ecosystem ing, and encourage developers to use open Zhejiang, and Guangdong provinces to try
According to the white paper, cultivating a APIs to develop New Calling applications. out 5G New Calling services, such as vi-
wide and vibrant ecosystem is critical to This will stimulate service innovation, pro- sualized voice calling, fun calling, and re-
the prosperity of 5G New Calling, which vide users with a wider variety of services, al-time translation. With the launch of new
includes building industry consensus and and prevent the New Calling industry from terminals that support data channels, more
vision, collaborating with suppliers, pro- becoming scattered. At present, operators real-time interactive services will be devel-
moting services step by step, and setting in China are moving towards the commer- oped. The white paper proposes that more
benchmarks. The white paper recommends cial deployment of 5G New Calling, includ- partners group together to build the 5G New
that operators strive to improve users' rec- ing services such as real-time translation, Calling ecosystem, so as to catalyze the de-
ognition of service value, collaborate with video-based customer services, and re- velopment of this new industry and open up
suppliers to accelerate the development mote maintenance. Earlier this year, China a new horizon for communications.

AT&T is Taking 5G to the Next Level with
Standalone 5G

AT&T is architecting tomorrow’s wireless AT&T is charging forward to advance SA aggregation data call in the U.S. Carrier
network to connect people to greater ecosystem readiness. Businesses and aggregation (CA) means we are combining
possibility. As engineers, we design, developers will be some of the first to or “aggregating” different frequency
build, test, refine and repeat so that you take advantage of the new technologies bands to give you more bandwidth and
can get more out of your 5G connection standalone 5G enables as we continue to capacity. For you, this means faster uplink
and developers can build and deploy the move from research & development to their transmission speeds. Think of this as
next generation of apps and services. deployment. This new age of connectivity adding more lanes in the network traffic
A key part of this evolution is the critical is not only about consuming more content highway. No one in the U.S market has
transition phase we are entering in scaling but also generating more content than successfully aggregated two carriers in 5G
from 5G non-standalone (NSA) to 5G ever before. Demand for uplink capacity SA uplink – until now. This is part of our
standalone (SA). How does Standalone and speed continues to increase, about ongoing effort to provide greater reliability
take 5G to the next level? Unlike 5G NSA 30% a year in AT&T’s mobility network. for our customers. The test was conducted
that still relies on a 4G LTE core, 5G SA Whether you are uploading large files, on in our labs with Nokia’s 5G AirScale
uses a dedicated 5G core that can unlock a video call with family, live streaming, portfolio and MediaTek’s 5G M80 mobile
capabilities like faster upload speeds, cloud gaming or using extended reality test platform. We aggregated our low-
ultra-low latency, ultra-high reliability and applications, the network is facing surging band n5 and our mid-band n77 spectrum.
edge functions. This technology will be upstream traffic demands it never has Compared to our low-band n5 alone, we
key to business opportunities like the next before. Our latest network innovations are saw a 100% increase in uplink throughput
generation of connected cars. We have complex but are all about helping meet this by aggregating our low-band n5 with
said that we plan to deploy Standalone new demand. Just a few weeks ago, we 40MHz of our mid-band n77. Taking it a
5G when the ecosystem is ready, and completed the first 5G SA Uplink 2-carrier step further, we achieved a 250% increase
aggregating 100MHz of n77. The bottom
line? We achieved incredible upload speeds
of over 70 Mbps on n5 with 40MHz of n77
and over 120 Mbps on n5 with 100MHz
of n77. While carrier aggregation is like
adding more traffic lanes in the highway,
adding another vehicle to carry traffic is
another way we are managing surging
uplink demand. We are doing this via a
two-layer uplink MIMO on time division
duplex (TDD) in our mid-band n77. MIMO
combines signals and data streams from
multiple antennas (“vehicles”) to improve
signal quality and data rates. This feature
will not only improve uplink throughput but
also enhance cell capacity and spectrum

33 MARCH-APRIL 2023