Story
4G,” says Guido Meardi, CEO
and co-founder V-Nova. “Also,
additional applications based on
live video and edge processing
will emerge.”
NETWORKS. As to whether
networks will be able to cope
with the predicted increase in
mobile video consumption,
Michael Schachter, product
marketing director at Allot,
suggests the short answer is
yes, but with some specific
technology enhancements.
“5G will handle a variety of
services not previously available
with standard LTE coverage.
“As we witness the
Streaming services, smart cities,
proliferation of more
automated cars, and even the
sophisticated and
use of augmented reality will
bandwidth-hungry video
dominate Internet bandwidth
applications (i.e., 4K/8K,
when 5G is fully deployed.”
stereoscopic video 360,
He suggests that
holographic streaming),
Communication Service
improved video experiences
Providers (CSPs) will need
will boost usage,” predicts
more than slicing and mobile
Broadpeak’s Begassat.
edge computing to prevent
“There is little doubt that
congestion on their networks.
we will run out of capacity
“They will need tools such as
sooner or later in some
innovative network congestion
regions. The issues are likely
“The leap forward to begin in the most densely
management and network
in capacity will
security solutions. CSPs are in
populated areas, with traffic
the perfect position to provide
spiking at regular peak hours
reinvigorate the
optimum QoE through network
video-over-cellular and during popular live
traffic management and security-
events (e.g., sports events,
experience.” -
as-a-service to their customers
TV shows). Therefore,
Yann Begassat,
throughout the transition to 5G
operators will likely continue
Broadpeak
while also creating a new line of
to optimise video delivery
revenue for their businesses.”
at radio cell and backhaul/
“The transition to 5G presents many
aggregation levels, with sophisticated solutions
challenges for CSPs to ensure mobile network
like elastic deep edge caching, server-
security. The proliferation of connected IoT
controlled ABR streaming, and satellite cache
devices, enabled by 5G, will only increase
contribution.”
security threats for those consuming video
“Most 5G deployments have been
on these devices and the use of mobile edge
predicated upon dramatic increases in network
computing will push the threat landscape even
capacity (versus 4G capacity),” observes
further. According to a report from Cisco, 5G’s
Cisco’s Everson. “For most deployment
faster broadband (10 to 20 times faster than
scenarios, the predicted rise in mobile video
4G) will enable 12 billion mobile-ready devices
consumption can be handled by the increased
and IoT connections by 2022 compared to
capacity delivered by 5G. Part of that network
nine billion in 2017. While this is great news
capacity improvement is in the handling
for the rising number of smart device users
of content. As more high-quality content is
globally, the increased connectivity can be
generated and consumed, we’ll see increased
taxing on IoT security.”
focus on offloading non-linear on-demand
QoE. In terms of QoE implications, he
content by caching it at the edge, relieving
suggests that when CSP networks are
pressure on network resources.”
congested, QoE suffers. “The main reason
LATENCY. “For mobile video, it’s the
is that network slices are quantified by
combination of higher data rates coupled with
their allocated resources and to scale these
low latency over 5G that effectively eliminates
resources, utilisation and technical KPIs are
buffering and enables higher resolution
used. But these KPIs do not represent the true
streaming,” advises Futuresource’s Forrest.
user QoE because it focuses on the quality of
“5G promises data speeds over 100x faster
service management and not how the service is
than 4G, with 50x lower latency and 100x
perceived by the user.”
more network capacity with more reliable
8 EUROMEDIA
connections, so networks should be able to
support mobile video services for multiple
subscribers per tower. But not all consumers
be streaming in 8K UHD because, similarly
to the debate over whether 4K is sufficient
versus 8K being overkill for television, there’s
the same argument over the necessity to
stream UHD services to mobile devices with
notably smaller screens. Likewise existing
techniques such as adaptive bitrate streaming
will be employed, just as they are today, to
optimise picture quality based upon available
bandwidth and device capability, coupled
with a move towards ever more efficient video
encoding schemes such as AV-1, VVC and
EVC. It becomes more interesting when you
consider what other formats video might take,
given 5G connectivity. We should expect to see
new applications around AR and VR, and more
immersive formats such as volumetric video.”
“The quality of HD delivered over 5G
will be infinitely better compared with 4G,
especially in terms of eliminating the zero-
rating issues that video users are accustomed
to dealing with today on their 4G mobile
devices,” asserts Harmonic’s Fautier. “Beyond
that, 5G networks will also enable 4K video
delivery, which will have a big impact on live
streaming
of sports.
Through 5G
networks,
content
providers
can deliver
high-quality,
immersive
video
experiences,
“Video streaming
with the
services are
low latency,
unlikely to look
to mobile
very different
devices.
As 5G has
to what we
much higher
have today.”-
bandwidth
Simon Forrest,
than 4G,
Futuresource.
minimum 10x