Cellular Wireless Networks


Erwan Gasc TV-Bay Magazine
Read ezine online
by Erwan Gasc
Issue 99 - March 2015

1. What advantage do 3G/4G cellular wireless networks provide to broadcasters over satellite networks?

For many years, satellite was the primary approach for real-time video delivery within the broadcast industry. That changed with the explosion of the Internet and second-screen devices like smartphones and tablets. As a global 3G and 4G cellular wireless network infrastructure was built to address the growing consumer demand for voice and data services, these networks have emerged as the ideal method for sending live video signals because they are more flexible, affordable, and easy to use compared with satellite.

Prior to 3G/4G networks, delivering live news coverage over satellite was far more expensive. In addition, setting up and deploying satellite vans is much more complex and time-consuming. Now that 3G/4G cellular wireless networks have been deployed all over the world, broadcasters can deliver the same amount of content, with the same video quality, at a fraction of the cost of satellite.

2. Describe the development and current status of 3G/4G cellular wireless networks around the world.


3G/4G cellular wireless networks are available in all corners of the world. When broadcasters are reporting on a news story in a small town, they can easily tap into 3G/4G networks in the area and find the bandwidth necessary to deliver high-quality video coverage. This is important because people today want to be abreast of news as and when it happens. As a broadcaster, if you're not able to provide timely news coverage, you will lose viewers and ultimately advertising dollars.

When AVIWEST launched its first video hybrid contribution systems in 2009, there were only 3G networks in existence. Since 3G networks were initially designed to support voice services, the bandwidth was limited; therefore, the quality of video that broadcasters could send was poor. AVIWEST saw that broadcasters needed a way to improve the video quality. That's why we created our DMNG (Digital Mobile News Gathering) system, which can detect and aggregate (bonding together) multiple IP-based networks (e.g., 3G, 4G, WiMax, WiFi, Ethernet, and satellite). By enabling broadcasters to take advantage of every IP network in their immediate vicinity as and when they become available, the DMNG system dramatically improves video quality for live television streams.

Since that time, 4G networks have popped up all over the world. 4G networks offer a much larger spectrum of bandwidth, making them perfect for live video applications.

3. Are most broadcasters using 3G/4G cellular wireless networks to deliver
live news or satellite?


Most broadcasters have embraced 3G/4G cellular wireless networks for live news because of the flexibility and affordability they provide. In fact, I would say that for 99 percent of applications, using 3G/4G networks is advantageous. Overall, satellite is just too expensive and complex to deploy.

However, in some instances, satellite is still needed. For example, major sporting events require that broadcasters send a crystal-clear HD signal. There cannot be variations in video quality due to the capacity changes of cellular networks, or this would lead to viewer dissatisfaction. If there are multiple broadcasters reporting on the sporting event and they are all relying on the same 3G/4G networks, the networks can become over saturated and there wouldn't be enough bandwidth to deliver good video quality. In this case, broadcasters can rely on satellite technology, which offers a greater - and guaranteed - bandwidth, in order to provide the video quality that viewers demand.

4. Can 3G/4G cellular wireless networks support Ultra HD and 4K?

Consumer demand for Ultra HD and 4K is increasing. We're entering into unchartered territory because 3G/4G cellular wireless networks weren't initially developed to support the bandwidth that is needed to deliver that level of video quality.

Thanks to new video compression technologies and the cellular network developments, the broadcast industry is getting closer to being able to offer Ultra HD and 4K content over 3G/4G networks. However, before this becomes a reality, I think we'll need to develop applications that enable bandwidth sharing.

5. What types of features should one be looking for in a video hybrid contribution system and why?

While in the field, it's hard for broadcasters to predict what kind of environmental, climatic, and network conditions they will be facing. Given these challenges, broadcasters need robust newsgathering solutions that are cost-effective, reliable, and flexible from anywhere in the world.

One of the unique features a broadcaster should look for is the ability to deliver live video and recorded files. Our DMNG system features multiple 3G or 4G modems with high gain custom antennas, an internal Wi-Fi modem, plus two USB ports into which two additional 3G/4G USB modems can be plugged to stream a live video or forward files over bonded wireless networks.
In addition to finding a system that features a wide range of functionality, broadcasters need to consider the design, too. When journalists are in remote locations, they need equipment that is lightweight, compact, easy to use and deploy. For example, our DMNG PRO video uplink system can be mounted on camera, in a newsgathering vehicle, or stashed in a backpack for extra flexibility.

6. In what types of applications should broadcasters utilize BGAN satellites for live video delivery?

Using Inmarsat's BGAN satellite network is ideal in instances where there is no Internet connection, the 3G/4G cellular wireless network connection is too poor to support video streaming, or in environments where deploying a Ka-band satellite van simply isn't an option.
For example, in a war zone like Syria, it is difficult to deploy satellite vans for safety reasons, and the Internet isn't reliable. This is a good example of where using a BGAN terminal comes in handy.

Another example that comes to mind was this past January when BGAN terminals were used by broadcasters during the rallies and demonstrations in Paris after the terrorist attack on Charlie Hebdo magazine. There were too many people crowded in the streets to use Ka satellite dishes, which are bigger and less easy to transport by journalists in the field, and the 3G/4G networks were flooded. If you wanted to send live video from these types of environments, you would need a video uplink system like our DMNG PRO with the BGAN terminal.

At the 2015 NAB Show, AVIWEST will showcase our DMNG PRO, now standard integrated with Cobham's EXPLORER 710 BGAN terminal, an ultra-portable satellite antenna. When used during satellite transmission, the Cobham antenna provides real-time information about the satellite's available bit rate, enabling the DMNG PRO to compress video content accordingly to ensure superior video quality.

7. Why is having a network management system important?

Typically, broadcasters have deployed a large number of transmitters. They need a dedicated tool that simplifies management of these devices. Our DMNG Manager server application enables broadcasters to monitor and manage an entire fleet of DMNG equipment including transmitters, smartphones with the DMNG APP, and studio receivers. By dramatically streamlining digital mobile newsgathering operations, a network management system provides significant time and cost savings.


Tags: iss099 | aviwest | 3G/4G | wireless | cellular | satellite | network | Erwan Gasc
Contributing Author Erwan Gasc

Read this article in the tv-bay digital magazine
Article Copyright tv-bay limited. All trademarks recognised.
Reproduction of the content strictly prohibited without written consent.

Related Interviews
  • HEVC 4k Encoding from Aviwest at NAB 2017

    HEVC 4k Encoding from Aviwest at NAB 2017

  • AVIWEST at NAB 2016

    AVIWEST at NAB 2016

  • AVIWEST at IBC 2015

    AVIWEST at IBC 2015

  • AVIWEST at BVE 2015

    AVIWEST at BVE 2015

  • AVIWEST at IBC 2014

    AVIWEST at IBC 2014

  • LiveU: Smart Grip at NAB 2013

    LiveU: Smart Grip at NAB 2013

  • Hitomi Matchbox Glass lipsync, audio and video alignment. Now Wireless on a free app. IBC 2019

    Hitomi Matchbox Glass lipsync, audio and video alignment. Now Wireless on a free app. IBC 2019

  • Sony HXR-MC88 palm-sized camcorder shown plus UWP series wireless transmission at NAB 2019

    Sony HXR-MC88 palm-sized camcorder shown plus UWP series wireless transmission at NAB 2019

  • Wireless 4k transmission from BOXX TV at NAB 2019

    Wireless 4k transmission from BOXX TV at NAB 2019

  • Boxx TV Wireless 4K Sub-Frame Breakthrough at NAB 2019

    Boxx TV Wireless 4K Sub-Frame Breakthrough at NAB 2019

  • Teradek demonstrates the Bolt 4K Wireless Video System at NAB2019

    Teradek demonstrates the Bolt 4K Wireless Video System at NAB2019

  • Teradek RT wireless CTRL.3 camera control shown at NAB 2019

    Teradek RT wireless CTRL.3 camera control shown at NAB 2019

  • Wireless Transmitters for Boxx TV at NAB 2018

    Wireless Transmitters for Boxx TV at NAB 2018

  • Pliant Technologies CrewComm Wireless Intercom at IBC 2017

    Pliant Technologies CrewComm Wireless Intercom at IBC 2017

  • Wireless 4K Transmitter from DTC Domo Broadcast at IBC 2017

    Wireless 4K Transmitter from DTC Domo Broadcast at IBC 2017

  • Boxx TV Wireless Transmission with Meridian, Atom and Zenith on show at IBC 2017

    Boxx TV Wireless Transmission with Meridian, Atom and Zenith on show at IBC 2017

  • Videosys Wireless Transmitters at BVE 2014

    Videosys Wireless Transmitters at BVE 2014

  • Sony Wireless Microphones at BVE 2014

    Sony Wireless Microphones at BVE 2014

  • Cobham satellite EXPLORER products at IBC 2014

    Cobham satellite EXPLORER products at IBC 2014

  • SIS LIVE ManPak and LoStow at IBC 2014

    SIS LIVE ManPak and LoStow at IBC 2014

  • Cobham: Mini RF Transmitters at NAB 2013

    Cobham: Mini RF Transmitters at NAB 2013

  • Cobham: RF Transmitter at NAB 2013

    Cobham: RF Transmitter at NAB 2013

  • SmallHD shows the Cine 7 monitor with camera control and integrated Teradek Bolt at NAB 2019

    SmallHD shows the Cine 7 monitor with camera control and integrated Teradek Bolt at NAB 2019

  • Vislink Technologies at NAB 2019

    Vislink Technologies at NAB 2019

  • Boxx TV Company Overview at NAB 2018

    Boxx TV Company Overview at NAB 2018

  • Boxx TV updates at NAB 2017

    Boxx TV updates at NAB 2017

  • Atom Lite from Boxx at NAB 2017

    Atom Lite from Boxx at NAB 2017

  • Quantum C80 from Cineo at NAB 2017

    Quantum C80 from Cineo at NAB 2017

  • Pliant Technologies at IBC 2016

    Pliant Technologies at IBC 2016

  • Clear-Com FreeSpeak II at NAB 2016

    Clear-Com FreeSpeak II at NAB 2016

  • Thomson Broadcast at IBC 2014

    Thomson Broadcast at IBC 2014

  • Clear-Com LinQ at IBC 2014

    Clear-Com LinQ at IBC 2014

  • Clear-Com FreeSpeak II at IBC 2014

    Clear-Com FreeSpeak II at IBC 2014

  • Cobham new receiver at IBC 2014

    Cobham new receiver at IBC 2014

  • Dejero at NAB 2014

    Dejero at NAB 2014

  • Tally Technologies at BVE 2014

    Tally Technologies at BVE 2014

  • Trilogy on BroadcastShow LIVE at IBC 2013

    Trilogy on BroadcastShow LIVE at IBC 2013

  • Cobham on BroadcastShow LIVE at IBC 2013

    Cobham on BroadcastShow LIVE at IBC 2013

  • Gearhouse Broadcast on Tour May 2013

    Gearhouse Broadcast on Tour May 2013

  • Clear-Com: Tempest at NAB 2013

    Clear-Com: Tempest at NAB 2013

  • Anton Bauer at NAB 2013

    Anton Bauer at NAB 2013

  • VideoSys at BVE North 2012

    VideoSys at BVE North 2012

  • IMT Broadcast at NAB 2012

    IMT Broadcast at NAB 2012

  • Anton Bauer at NAB 2012

    Anton Bauer at NAB 2012

  • IDX at BVE North 2011

    IDX at BVE North 2011

  • RTS Telex at IBC2011

    RTS Telex at IBC2011

  • Telecast at IBC2011

    Telecast at IBC2011

  • Dejero on BroadcastShow LIVE at IBC 2013

    Dejero on BroadcastShow LIVE at IBC 2013

  • Dejero LIVE+ VSET at NAB 2013

    Dejero LIVE+ VSET at NAB 2013

  • Dejero + Nucomm Connect Live at NAB 2013

    Dejero + Nucomm Connect Live at NAB 2013

  • LiveU at NAB 2012

    LiveU at NAB 2012

  • LiveU at IBC2011

    LiveU at IBC2011

  • CellSat - the cell and Ku-band IP satellite solution from Dejero at IBC 2017

    CellSat - the cell and Ku-band IP satellite solution from Dejero at IBC 2017

  • PacTV Truck at NAB 2014

    PacTV Truck at NAB 2014

  • Inmarsat at NAB 2014

    Inmarsat at NAB 2014

  • SIS LIVEs Martyn Hopkins on BroadcastShow LIVE at IBC 2013

    SIS LIVEs Martyn Hopkins on BroadcastShow LIVE at IBC 2013

  • SIS LIVE and their products ManPak and DriveForce at IBC 2013

    SIS LIVE and their products ManPak and DriveForce at IBC 2013

  • SIS LIVE: ManPak and uPack60 at NAB 2013

    SIS LIVE: ManPak and uPack60 at NAB 2013

  • Inmarsat: Global Xpress and Explorer at NAB 2013

    Inmarsat: Global Xpress and Explorer at NAB 2013

  • Tariam Tooway stand at BVE 2013

    Tariam Tooway stand at BVE 2013

  • SIS Live at IBC 2012 Part Two

    SIS Live at IBC 2012 Part Two

  • SIS Live at IBC 2012 Part One

    SIS Live at IBC 2012 Part One

  • SIS LIVE at NAB 2012

    SIS LIVE at NAB 2012

  • Haivision at IBC2011

    Haivision at IBC2011

  • SIS LIVE at IBC2011

    SIS LIVE at IBC2011

  • Bella 22 MK11 Network Audio Monitor from Glensound at IBC 2019

    Bella 22 MK11 Network Audio Monitor from Glensound at IBC 2019

  • Argosy cables, connectors, active products, network KVM switches and fiber transport at IBC 2019

    Argosy cables, connectors, active products, network KVM switches and fiber transport at IBC 2019

  • SIS LIVE with Anylive Fibre Network at IBC 2018

    SIS LIVE with Anylive Fibre Network at IBC 2018

  • Glensound show Beatrice the AES67 Network audio intercom beltpack at IBC 2018

    Glensound show Beatrice the AES67 Network audio intercom beltpack at IBC 2018

  • Media Defined Networking from Media Links at IBC 2017

    Media Defined Networking from Media Links at IBC 2017

  • Thomson Video Networks at IBC 2015

    Thomson Video Networks at IBC 2015

  • THOMSON VIDEO NETWORKS at NAB 2015

    THOMSON VIDEO NETWORKS at NAB 2015

  • Thomson Video Networks at IBC 2014

    Thomson Video Networks at IBC 2014

  • Audio Network on BroadcastShow LIVE at IBC 2013

    Audio Network on BroadcastShow LIVE at IBC 2013

  • Thomson Video Networks at IBC2011

    Thomson Video Networks at IBC2011

  • Broadcast Networks at IBC2011

    Broadcast Networks at IBC2011

  • Dejero at IBC 2016

    Dejero at IBC 2016

  • Movidiam at BVE 2015

    Movidiam at BVE 2015

  • DPA Microphones and Bubblebee Industries at BVE 2014

    DPA Microphones and Bubblebee Industries at BVE 2014

  • Clear-Com: HelixNet Partyline at NAB 2013

    Clear-Com: HelixNet Partyline at NAB 2013

  • Autocue at NAB 2013

    Autocue at NAB 2013

  • Adder at NAB 2012

    Adder at NAB 2012

  • Calrec at NAB 2012

    Calrec at NAB 2012

  • Broadway Systems at NAB 2012

    Broadway Systems at NAB 2012

  • Bluebell at NAB 2012

    Bluebell at NAB 2012

  • Holdan and Teradek at BVE North 2011

    Holdan and Teradek at BVE North 2011

  • Globecomm at IBC2011

    Globecomm at IBC2011


Related Shows
  • The KITPLUS Show discussing minicams, mics and reality challenges

    The KITPLUS Show discussing minicams, mics and reality challenges


Articles
The LED Lighting Revolution
Neil Vann Back in April 2019, the National Association of Broadcasters hosted the annual NAB show in Las Vegas where over 90,000 people from more than 160 countries came to see the latest broadcast technology from around the world. Honouring the highlights of the show were NAB’s 2019 Product of the Year awards, where the newly launched Chroma-Q Space Force onebytwo – a bright, tuneable white LED softlight with a high CRI, TLCI and TM-30 - picked up one of these prestigious awards in the lighting category.
Tags: iss139 | ac-ent | led | lighting | chroma-q space | softlight | studio force phosphor | Neil Vann
Contributing Author Neil Vann Click to read or download PDF
The Making of Zero
Keith and David Lynch

The Brothers Lynch explain how they created the sinister atmospheric world for their new sci-fi short

In a post-apocalyptic world where humankind has emerged victorious in a war against artificial intelligent machines, a young girl dares to venture into the unknown. This is Zero, the new sci-fi short film from acclaimed British writer-director duo The Brothers Lynch which has premiered at the Tribeca Film Festival.

Tags: iss139 | blackmagic design | davinci resolve | editing | grading | grade | mk2 zeiss | superspeeds | cinema 4d | molinaire | Keith and David Lynch
Contributing Author Keith and David Lynch Click to read or download PDF
Covering Ironman Australia
KitPlus KitPlus recently chatted with Stephen Kane, production manager of IRONMAN Oceania in Australia and New Zealand. IRONMAN is one of the leading mass sports brands in the world, consisting of over 260 events across 44 countries including long (IRONMAN and IRONMAN 70.3) and short (Sprint and Olympic) distance triathlons, mountain bike stage racing, road cycling and running, both marathon and trail. One of those events is IRONMAN Australia, which takes place yearly on the Australian east coast.
Tags: iss139 | ironman | dejero | streaming | cellsat | 5g | engo | mobile transmitter | facebook live | wi-fi | cellular | satellite | KitPlus
Contributing Author KitPlus Click to read or download PDF
The University of the Third Age
Bernard Newnham Here's a cliché - "We all get to be old one day - if we're lucky". There comes a point when things like "....mastered in Dolby Vision Domestic and SDR Rec 709....." become just a touch unimportant (and actually I never really understood that stuff in the first place). I retired for the third time last year - BBC producer, and before that cameraman, then freelance producer, trainer, do-your-own camera, sound, editor, blah blah, then 11 years university teaching. I did my bit - never a BAFTA, but certainly the first into a good few things - but it all has to come to an end sometime.
Tags: iss139 | u3a | panasonic | davinci resolve | Bernard Newnham
Contributing Author Bernard Newnham Click to read or download PDF
Keeping the Show on the Road
Andy McKenzie There is long-established saying in the media business that, if something goes wrong, at least nobody dies. It is almost true unless you happen to be a TV producer suffering a cardiac arrest because your primary video feed has gone blank during a high-budget programme.
Tags: iss139 | service | support | finepoint | maintenance | Andy McKenzie
Contributing Author Andy McKenzie Click to read or download PDF