In Broadcast - NAB SHOW 2018 - 28

28

www.inbroadcast.com | NAB Show 7-12 April 2018 | Product Preview

Dejero - Revolutionizing
Connectivity Choices for
Remote Broadcasters
Broadcasters are under ever-more pressure to deliver high-quality live shots
as quickly and cost-effectively as possible, says Mark Moore,
VP International Sales, Dejero...

O

ften on a mission to be the first
to send high-quality pictures
from a breaking news scene or highprofile event to ever-demanding
viewers, remote crews can occasionally
find themselves in locations that
can be challenging when it comes to
establishing reliable transmission
paths.
Take the 2018 Winter Games in South
Korea for example, which, locationwise, stretched reliable connectivity
to its limits. Imagine you are at the top
of Alpensia Resort, Daegwallyeongmyeon in PyeongChang, covering
your nation's champion skiers and
snowboarders as they compete for a
medal on this world stage. Your crew
has been tasked with interviewing the
athletes at the end of their run down
the slopes. You have some fantastic
gear with you - the latest cameras,
audio and editing equipment all tested
and ready to go. Your biggest concern
now is connectivity.
Reliable Transmission
The pressure is on to capture these
once in a lifetime moments live - but
if you cannot establish a reliable
transmission path to send your video
back to the broadcast studio, there
is no moment - not to your network's
viewers anyway.
Reliability, flexibility, and ease of
use are the key requirements when
covering such events, especially
when the location is on mountainous
terrain, with crowds who can overload
the cellular networks, or in adverse
weather conditions - or indeed, all
three.
To send live shots back to base,
three options are generally available
to broadcasters: satellite, microwave,
and cellular connectivity. Each varying
in cost, reliability and simplicity, with
broadcasters continuously performing
a balancing act between these three.
Although satellite communication is

reliable, the associated
costs and administration
can be traditionally
complex, requiring the
broadcaster to book
slots hours, days or
weeks ahead of use.
This is easy enough for
a program that has been
scheduled way ahead,
but quite problematic
for
breaking
news
stories.
Broadcasters
either
block
book
satellite time that they
may or may not use, and
usually end up paying
Dejero EnGo at the
high usage costs by the Winter Games 2018
minute if they overrun,
or book at short notice, again incurring game there was a danger that cellular
prohibitive costs.
networks could get overloaded. WLEX
supplemented the NBC coverage with
Cell Communications
a 90-minute special wrap-around at
Establishing reliable microwave the end of the game, added live. They
communications is more of an art used two cameras; one connected to
than a science. Complex interactions the in-vehicle encoder/transmitter,
between buildings, weather fronts using CellSat, and the other connected
and distance all conspire to make to a Dejero mobile transmitter, using
microwave links difficult to establish cellular. Back at the station, the
and then keep reliably connected.
operators couldn't tell whether the
Cellular
connectivity
is
well video was coming in via satellite or
established
giving
high-quality cell; the picture quality was that good,
pictures in metropolitan areas, and the latency that indifferent.
costs are lower, but cell networks can
occasionally become saturated during Blending Pathways
peak demand, especially in a crowd,
WLEX-TV can confidently broadcast
sports arena, or where a live news live from virtually anywhere, including
story is breaking.
in storm tracking situations, safe in the
Only too familiar with these knowledge that if the available cellular
challenges is WLEX-TV - LEX18 bandwidth deteriorates, the blended
- the NBC affiliate in Lexington, solution will automatically bring in
Kentucky, and part of the Cordillera Ku-band IP satellite connectivity to
Communications Group. US local boost bandwidth to get high-quality
broadcaster, WLEX - LEX18 - an NBC live shots to air while saving time and
affiliate in Kentucky, for example, money. No single delivery technology
recently used Dejero's CellSat for is perfect and they all have their
coverage of the Music City Bowl; a relative strengths and weaknesses. A
popular post-season college football far better solution, like CellSat, is to
fixture which takes place annually in combine the best attributes of these
Nashville. With 70,000 fans at the technologies to benefit from their

respective strengths and
give broadcasters better
choice, depending on the
situation.
This new technology
allows broadcasters to
choose to use cellular
if there is sufficient
bandwidth and there's
no concern that the
bandwidth will degrade
during the live broadcast,
or use a combination of
cellular and satellite for
better reliability.
This particular solution
has antenna auto-acquire
systems that simplify
the satellite connection
process.
Built-in
intelligence
constantly analyses the characteristics
of up to six cellular connections, as
well as the Ku-band IP connection,
in real time, dynamically managing
the transmission path for fluctuating
bandwidth and latency to ensure
reliable delivery. Network blending
technology encodes IP traffic over
the available connections, optimizing
the routing to achieve a reliable, low
latency stream. A receiver located at
the broadcast facility then decodes
that traffic, ready for playout.
Assured Links
The unique ability to have the
choice between bonded cellularonly or a blended cellular and
satellite transmission path, allows
broadcasters to take advantage of
the convenience and cost savings of
cellular networks and the robustness
of satellite networks. The result is
that broadcasters can rest assured,
knowing that they have reliable
bandwidth to cover live events or
breaking news. It's a revolution when
it comes to connectivity choices in
challenging conditions.
www.dejero.com


http://www.inbroadcast.com http://www.dejero.com http://www.dejero.com

Table of Contents for the Digital Edition of In Broadcast - NAB SHOW 2018

Contents
In Broadcast - NAB SHOW 2018 - Intro
In Broadcast - NAB SHOW 2018 - Cover1
In Broadcast - NAB SHOW 2018 - Cover2
In Broadcast - NAB SHOW 2018 - 3
In Broadcast - NAB SHOW 2018 - Contents
In Broadcast - NAB SHOW 2018 - 5
In Broadcast - NAB SHOW 2018 - 6
In Broadcast - NAB SHOW 2018 - 7
In Broadcast - NAB SHOW 2018 - 8
In Broadcast - NAB SHOW 2018 - 9
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In Broadcast - NAB SHOW 2018 - 11
In Broadcast - NAB SHOW 2018 - 12
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In Broadcast - NAB SHOW 2018 - 19
In Broadcast - NAB SHOW 2018 - 20
In Broadcast - NAB SHOW 2018 - 21
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In Broadcast - NAB SHOW 2018 - 24
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In Broadcast - NAB SHOW 2018 - 26
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In Broadcast - NAB SHOW 2018 - Cover3
In Broadcast - NAB SHOW 2018 - Cover4
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