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STRONSAY, Orkney Islands, Scotland — BBC Research & Development extensively tested live radio broadcasts over a purpose-designed 5G network to assess the capability of the technology to successfully reach people living in rural areas.

The landscape of Stronsay, Orkney Islands. All photos courtesy of BBC R&D.

These areas often suffer from inadequate radio coverage as well as low and unstable bandwidth on both fixed and mobile data connections.

IP FUTURE

The trial took place in Stronsay, a remote island in Orkney, Scotland, off the northern coast of mainland United Kingdom. Before the trial, islanders complained that it could take up to 10 minutes to download an email.

Andrew Murphy, BBD R&D lead engineer, during his speech at the IBC2019 session on digital radio.

“We chose Stronsay because of its very limited existing coverage overall,” said Andrew Murphy, lead engineer for BBC R&D. “There is almost no mobile phone coverage, no DAB coverage and even the FM is not strong. It was definitely a good place to run a test.”

BBC R&D worked closely with the local council and authority. The test in the far reaches of Scotland is part of the “5G RuralFirst” (www.5gruralfirst.org), a government-funded initiative deployed at multiple locations across the U.K. to experiment with new approaches to connectivity in rural areas.

“We were interested in radio,” Murphy explained. “We wanted to assess whether people living in remote areas (where there is a lack of traditional AM/FM or digital radio reception) could access the medium through 4G and 5G and were able to listen to BBC radio programming live.”

Screenshots from the radio app the BBC developed for the 5G broadcast radio trial.

Looking toward an IP future for media, BBC is aware that consumers are increasingly using smartphones to access content over mobile networks. The broadcaster is also active in EBU and 3GPP standardization committees.

“BBC needs to be able to test and understand the forthcoming technologies so that we can work on them and see how we can improve them where appropriate,” Murphy added.

BROADCAST MODE

BBC had some concerns about the capacity and coverage (BBC needs universal availability) mobile networks can effectively ensure. It questioned whether 4G and 5G technologies could potentially help broadcasters overcome these challenges.

Murphy said they decided to assess the delivery of radio through 4G and 5G broadcast technology because radio is a naturally mobile medium, and people enjoy listening to the radio on the move. At the same time, smartphones are increasingly not fitted with broadcast receivers.

Since no commercial 5G system was available, BBC decided to design and build its own base station, which Murphy’s team deployed in the center of the island at Stronsay Junior High School.

The base station (4G technology but designed to emulate 5G) was designed to give BBC engineers total control over transmission parameters, such as modulation and coding settings, and to alter them to assess performance in different situations. The trial used 2×10 MHz bandwidth in the 700 MHz band.

A crowd-sourced coverage map built on data coming from the BBC app installed on trial receivers.

The trial featured the broadcast-mode delivery of radio over 4G (eMBMS with MPEG-DASH), enriched by mobile broadband to give listeners access to live (broadcast) and catch-up (unicast) content, as well as internet access, using a mixed mode in 3GPP Rel-12, providing both broadcast and unicast.

DETAILED TELEMETRY

The broadcast mode can reduce the amount of bandwidth needed to air the involved content since in this approach the base station is only sending one transmission rather than multiple versions (one to each different user).

This means that when many users request the same live program at the same time, broadcasting it over 5G helps reduce congestion on the rest of the network.

“We incorporated 13 live radio services, including BBC Radio Orkney.” Murphy explained “We recruited 20 people to use broadcast-capable handsets featuring 4G technology but designed to emulate some features we hope to see in the forthcoming 5G standards.”

The specifically designed handsets allowed the tests to achieve greater results than currently possible with equipment commercially available today. The handsets included Rel-16, LTE-based 5G terrestrial broadcast, SIM-free reception as well as transport-only mode with AAC+ audio over RTP/UDP/IP.

Shona Croy is strategic advisor for Renewables and Connectivity at the Orkney Council.

A dedicated app, built on standard BBC app components, powered the receiving device and comprised detailed telemetry data of reception quality as people listened to the radio services.

“This enabled us to build-up an anonymized, crowd-sourced coverage map across the whole island and to assess the performance of different transmission parameters on the quality of service,” said Murphy.

ALMOST SATISFIED

The BBC R&D is working on 5G technology to provide broadcasters with better connectivity options.

The distributed availability of the monitoring probes built into the receiving devices allowed BBC engineers to run an analysis over a much longer time period and over a wider area than drive testing alone would allow.

In addition, since the data came from real-life handsets, a more accurate picture of how the technology works in practice was depicted.

Across the 16 active handsets over the first five weeks of the trial, average broadcast listening measured at just over two hours per day, which would be the equivalent of around 1.5 GB of data over a month in the conventional unicast scenario.

“This a very significant proportion of the average monthly mobile data per active connection in the U.K. of around 1.9 GB per month and would leave little allowance for other uses,” he added.

The trial demonstrated that people liked the convenience of having radio readily available on a smartphone, and almost all (9 in 10) were satisfied with trial internet service. They often used the handsets as mobile hotspots, giving them access to faster download speeds for films and music.

BETTER OPTIONS

Anecdotal evidence from teachers at the island’s junior high school — backed up by data from the devices — suggests that teenagers in Stronsay have become big fans of the music played on the BBC’s Asian Network, one of the 13 BBC stations they could access as part of the trial.

In a BBC video illustrating its 5G project, Shona Croy, strategic advisor for Renewables and Connectivity at the Orkney Council said: “We were really keen to do something that overcomes this barrier of rural areas being last to get a service, or not getting it at all. But the economic case for coming here is poor, so are there other ways we can look at delivering services?”

5G as a technology is still being developed and deployed, and it has a completely different level of maturity with respect to, for example, DAB digital radio.

“The BBC will continue working in this space together with the European Broadcasting Union to try to influence current and future standards that provide broadcasters with better options for these purposes,” Murphy concluded.

The post BBC Assesses 5G’s Broadcast Capability appeared first on Radio World.

Radio World is providing an ongoing sampler of comments of what people are telling the FCC about its proposal to allow U.S. stations on the AM band to switch voluntarily to all-digital transmission. Here are more in the series:

Kirk Mazurek told the FCC that he is an avid AM listener who has “invested time and money in equipment towards my hobby as many others have. If this proposal goes through it will make the millions of receivers obsolete requiring the purchase of new equipment. This is needless, there are a lot of people who have vintage radios and a lot of them have been restored. This proposal would make them useless. I urge you not to ratify this proposal.”

Mark Wells raised concern about interference from digital to analog signals on the same channel. “This is especially applicable at night when one is listening to distant stations in out-of-state markets, he wrote. “For example, clear channel stations WBT in Charlotte and KFAB in Omaha are both on both on 1110 kHz. Let’s say one switches to digital, and one does not. As it is they both may fade in and out as the atmosphere does its nightly tricks, but the signals remain mostly useable. But, if one is digital and the other analog would it not ‘blank out’ the analog station?”

[Read: “Allow DRM for Digitizing the AM Band”]

Wells also noted that existing analog AM receivers would become obsolete. “Adding a digital to analog converter as they did when switching to HDTV would perhaps not be a very practical solution, as it would require a not so easy installation.” And he reminded the FCC of AM’s role during disasters. “Analog AM receivers are among the most simple of devices to build. In a major disaster a person with the knowledge of how to do so, can build a receiver literally out of debris, and remain in contact with the outside world. This capability cannot be overstated — to say that a voice coming in on a dark, dark fright-filled night is a comforting cannot be denied, as well as the value of receiving emergency information.” He said one solution would be to limit all-digital stations to Class C local operations in the 1610–1700 kHz range “and leave the rest of the AM band as it is now.”

[Read: “WLOH Would Have a Compelling Reason to Promote Its Signal Again”]

Amateur radio operator Edward Thierbach, AB80J, worries about the distribution of emergency information to the general population. “I suggest that the proposed rules be amended to require the following types of AM stations to retain analog AM broadcast capability for a period of 10–15 years: Clear-channel stations; Emergency Advisory Radio Stations; Other stations officially designated as emergency information stations, whether the official designation is made locally or nationally,” Thierbach wrote.

He said few if any emergency radios (typically hand-cranked or solar-charged) can receive HD Radio, and that relatively few people have portable radios of any type with digital AM capability. Not enough receivers in vehicles have digital AM capability either, he argued, and predicted that proliferation of digital AM radio would likely take much longer than digital TV, “due to less consumer incentive.” He thinks it would take 10 to 15 years before emergency information can be widely and reliably disseminated via digital AM.

And David Bowers takes pleasure in the fact that in radio’s 100th anniversary year, antique radios can still be used to listen to modern AM broadcasts. But he predicted that the dawn of digital AM transmission “would require the design, build and distribution of millions of converters, as was done with DTV in 2009.” He also looked further down the road, saying, “Keep in mind the consequences of this proposal. I know it starts as voluntary, but wheels of progress suggest it could evolve to universal.”

Register to watch a free February webcast about all-digital on AM.

 

The post “It Will Make Millions of Receivers Obsolete … This Is Needless” appeared first on Radio World.

An Audi marketing photo shows a dashboard C-V2X display.

Here’s an interesting spectrum project for those watching the connected car space.

It’s called C-V2X, for “Cellular Vehicle to Everything,” and a notable deployment was announced Wednesday by Audi, Qualcomm and the Virginia Department of Transportation. The deployment will include warnings to automatically alert cars to work zones ahead as well as signal phase and timing, or SPaT, which enables cars to receive a countdown from a red to a green light.

The FCC is among those watching with interest. Chairman Ajit Pai put out statement noting that the deployment was made possible through an experimental license. He used the opportunity to voice support for the idea of redesignating spectrum in the 5.9 GHz band.

[Read: A Peek at Tomorrow’s Car Radios]

“The cars and trucks of the future will use wireless spectrum and advanced technologies to keep us safer on the road,” Pai said. “Cellular Vehicle to Everything, or C-V2X, is a new and promising technology that is gaining momentum in the automotive industry as it enables communications between cars, infrastructure, cyclists, pedestrians and road workers.”

He said rules governing the 5.9 GHz band need to be updated because they are tied up by Dedicated Short-Range Communications, a technology he said was “authorized by the FCC more than 20 years ago that has never been widely deployed.”

The commission recently voted to take “a fresh and comprehensive look” at the 5.9 GHz band and to designate at least 20 megahertz for deployment of C-V2X, calling it an emerging standard for transportation applications.

“If this proposal is adopted, it would be a significant step forward for automotive safety, since there is currently no spectrum designated for C-V2X. Americans on the move would be the beneficiaries — but only if the FCC takes action and leaves the failed status quo behind,” Pai said.

The FCC also has proposed to designate 45 megahertz of that band for unlicensed uses like Wi-Fi. “This 45 megahertz sub-band can be combined with existing unlicensed spectrum to provide cutting-edge high-throughput broadband applications on channels up to 160 megahertz wide,” it wrote in December.

You can read the Audi announcement about the deployment in Virginia here.

 

The post Pai Renews Call for Spectrum for C-V2X appeared first on Radio World.

Please no 504….

The post Test appeared first on Radio World.

FCC Commissioner Michael O’Rielly has reached out to some major music companies to ask what they are doing to protect against payola, the exchange of something of value for broadcast airplay. The radio broadcast industry has had some scandalous episodes of payola in the past.

O’Rielly also noted that current restrictions don’t apply to streaming or internet radio.

Last September, O’Rielly contacted the Recording Industry Association of America to ask about reports that possible violations of federal antipayola laws and regulations, but was told the he needed to reach out to the companies individually.

[Read: O’Rielly Tells MBA “We Are Playing a Long Game” Against Pirate Operators]

He has now done so.

In letters to the heads of Sony Music Entertainment, Universal Music Group and Warner Music Group O’Rielly said that “even the most cursory review of consumer complaints and assertions provides cause for concern regarding the persistence of payola.”

O’Rielly, who is not fan of government overregulation, said he was not saying payola restrictions were perfect, including that they applied to radio but not to streaming, internet radio or podcasts.

He said that “asymmetry” clearly impacts the radio industry’s financial well-being and perhaps even “long-term sustainability.”

He also said that compliance is tough given that radio companies deliver content “via multiple platforms and methods.”

 

The post O’Rielly Seeks Payola Info From Music Companies appeared first on Radio World.

The FCC recently adopted a Notice of Proposed Rulemaking that recommends giving AM stations in the United States the flexibility to adopt all-digital broadcasting voluntarily, based in part on the experimental experience of Hubbard station WWFD in Frederick, Md. The commission then asked for comments; one of the first was filed by Digital Radio Mondiale. Its filing is below, with minor edits for clarity. For background about DRM, see www.drm.org/what-is-drm-digital-radio/summary/.

In your document (FCC 19-123) you rightly highlight the great advantage of AM broadcasts, primarily the ability to cover large areas and number of listeners, while the band itself is losing popularity because of a variety of issues to do with propagation, interference [and] environmental changes. At the same time, digital audio broadcasting is no longer the new platform it was in 2002. At that time [the] FCC mandated a proprietary system (IBOC, “HD Radio”) as the only system to be used in the USA, with the possibility of applying DRM for HF.

This image from a DRM information packet shows the frequency bands where DRM operates.

Since then DRM (the ITU recommended, only digital audio broadcasting for all bands, open standard) has been tested and used all over the world on all bands, shortwave, medium-wave and FM.

So while you are recommending now pure digital HD, based on the NAB tests and [WWFD’s] not completely convincing trial, we would urge the FCC to consider opening the straightjacket of 2002 and allow DRM to be used as a sure, tested, efficient way of digitizing the AM band.

There are several reasons for this. DRM digital radio delivers, in the AM bands, significant benefits:

• Audio quality that is on par or better than FM. DRM, of all recognized digital standards, is the only one using the ultra-efficient and compressed xHE-AAC audio codec that delivers, at even very low bit rates, exceptional audio quality for speech, but music as well (www.drm.org/listen-compare/).

• Record Data: DRM has been tested in medium-wave all over the world in both simulcast and pure digital. A list of the main tests (some of which have become ITU adopted documents) are included in Annex 4 of the DRM Handbook (www.drm.org/wp-content/uploads/2019/02/DRM-Handbook.pdf). At the moment, 35 MW transmitters are on air in simulcast or pure DRM in India (http://prasarbharati.gov.in/R&D/).

• Auxiliary Data. DRM is the newest, most complete, open standard for digitizing radio in all frequency bands, and is recommended by ITU. DRM has been devised as a direct heir to analog AM (SW, MW). It uses 9/10, 18/20 kHz bandwidth and has a useful content bit rate of up to 72 kbps. It carries up to three programs on one frequency and one data channel, while data can be carried on each of the audio channels as well. One of the great advantages of DRM is that alongside excellent audio, the receiver screens will display visual information of any kind required (album titles, singer photos, maps, visuals of any sort, data of any kind). The Journaline application allows for extra information from the internet or the RSS feeds of the broadcaster to be captured and displayed. Currently broadcasters like the BBC, All India Radio [and] KTWR in Guam are using this extra facility that clearly differentiates digital [from] analog as a superior option.

• Power/energy efficiency. Using SW or MW in DRM can reduce the power used up to 80%. As per calculations made by Ampegon, a medium-wave transmitter can cover an area of 235,000 square kilometers with a 100 kW transmitter. The DRM ERP of such a transmitter is about 50 kW and the coverage area is the same, while instead of one analog program, up to three digital channels and one data channel can be broadcast, all in excellent audio quality.

• Spectrum efficiency (more programs can be broadcast on one single frequency used for one program in analog) as explained above.

• DRM, unlike analog, offers enhanced and stable audio quality that is FM-like (mono or stereo). DRM also offers multiservice data enabled by applications like Journaline (the enhanced text services, more information captured as RSS feeds or from other internet source), slideshows, multilingual text (practically being able to show any characters of any language, not just Latin script), and the Emergency Warning Functionality (EWF) in case of disasters.

• Interference. This has not been noted, as the DRM signal will always be lower than the analog one. AIR has not noted any interference in its operation of DRM transmitters. The mask values required for an optimal functioning of DRM transmitters [are] clearly stipulated in the ITU documents and as long as the network planning is correct and the mask is respected, there should not be any issue of interference in digital-analog or digital-digital DRM transmissions.

• Receivers. Currently there are several receiver models and SDR options for the reception of DRM in AM. India has almost 2 million new cars fitted with DRM receivers, at no cost to the buyers, that are capable of and are receiving DRM medium-wave signals. The audio quality is excellent and a sure benefit to the users.

• DRM is in direct succession to the analog AM (and FM) services, not owned or controlled by any single company, and immediately available with full know-how and technology access by the transmitter and receiver industry.

• As HD in medium-wave is a bit of a necessary step but still a leap in the dark, it would make sense from the practical aspects and even receiver solution availability to allow DRM as the best, clearly proven solution of digitizing the AM band (in preference or alongside HD) in the U.S.

In short, the salient advantages of DRM are:

1. The audio quality offered by DRM is equally excellent on all the transmission bands: MW, SW or VHF

2. Robust signal unaffected by noise, fading or other forms and interference in all bands

3. Clear and powerful sound quality with facility for stereo and 5.1 surround

4. More audio content and choice: Up to two and even three audio programs and one data channel on one frequency

5. Extra multimedia content: Digital radio listeners can get multimedia content including audio, text, images and in future even small-scale video, such as:

a. Text messages in multiple languages
b. Journaline – advanced text-based information service supporting all classes of receivers, providing anytime-news for quick look-up on the receiver’s screen; interactivity and geo-awareness allowing targeted advertising
c. Electronic Program Guide (EPG), showing what’s up now and next; search for programs and schedule recordings
d. Slideshow Program accompanying images and animation
e. Traffic information

6. Automatically switch for disaster & emergency warnings in case of impending disasters in large areas, automatically presenting the audio message, while providing detailed information on the screen in all relevant languages simultaneously. Great potential to become the surest and widest means of alerting the population to emergencies.

Therefore, we urge [the] FCC to take a wide view and consider all options including DRM, if AM is worth future-proofing in the USA.

Comment on this or any article. Email radioworld@futurenet.com with “Letter to the Editor” in the subject field.

The DRM Consortium describes itself as an international not-for-profit organization composed of broadcasters, network providers, transmitter and receiver manufacturers, universities, broadcasting unions and research institutes. Its aim is to support and spread a digital broadcasting system suitable for use in all the frequency bands up to VHF Band III.

The post Allow DRM for Digitizing the AM Band appeared first on Radio World.

The National Association of Broadcasters announced it will bestow radio’s most esteemed community service award to an Iowa station at the 2020 NAB Show.The association will present the NAB Crystal Heritage Award to KCVM(FM) of Cedar Falls at the third-annual We Are Broadcasters Celebration scheduled for April 21. The nod is especially fitting for a station owned by Coloff Media, which espouses the motto “Service to Listeners, Clients and Communities.”

The Crystal Heritage Award is reserved for stations that have won five Crystal Radio Awards for service, and KVCM will be the ninth station to receive the honor during the program’s three-decade history. In 2019, KFOR(AM) joined the Crystal Heritage ranks, as did WTOP(FM) in 2018.

[Crystal Heritage Award Winner KFOR(AM) Leads by Example in Lincoln]

“KCVM has served Cedar Falls for over 22 years and exemplifies radio’s strong connection and service to local communities,” NAB Executive Vice President of Industry Affairs Steve Newberry said in the announcement. And don’t forget: Stations can still submit entries to the Crystal Radio Award program through Jan. 31.

The post KCVM Gets Crystal Heritage Nod From NAB appeared first on Radio World.

Broadcasters want to think ahead about how to capitalize on 5G fixed wireless. The problem is, they don’t know what it is or isn’t yet. In this issue, we ask technical thought leaders how 5G may affect our industry, while Michael LeClair cocks a skeptical eyebrow in that direction. Also in this issue: Spooky podcasts, a history of synchronous AM, and cool technologies for your phones and talk show systems.

 

Read it online here. DIGITAL RADIO
DRM Says “Not So Fast”

If the FCC allows U.S. AM stations to turn off their analog signals in favor of all-digital transmissions, Digital Radio Mondiale believes it should be among their options.

FUTURE OF RADIO
For Radio, It’s Wait and See About 5G

We asked a bunch of smart people how they think this new technology might play out in the radio biz.

ALSO IN THIS ISSUE:

• Synchronous AM’s Long and Tortuous History
• With Consoles, It’s All About Connectivity
• Buyer’s Guide: Phone & Talk Show Management

The post Inside the Jan. 22 Issue of Radio World appeared first on Radio World.

Justin Chase

Beasley Media Group has promoted Executive Vice President of Programming Justin Chase to chief content officer, the company announced this week.

In a press release, Beasley Media Group CEO Caroline Beasley tasked Chase with “enhancing and expanding our content on all of our on-air and digital platforms.”

Chase has served as EVP of programming since 2016, and prior to that he was operations manager for Beasley Las Vegas and added the vice president of programming title in 2013. In Vegas, he also supervised KCYE(FM), KKLZ(FM), KOAS(FM) and KVGS(FM) as PD, and his work was recognized with Beasley’s “Program Director of the Year” award. 

Additionally, Chase is a member of the National Association of Broadcasters Radio Board and serves on the Media Ratings Council’s board of directors, the MRC Radio Committee and the MRC Digital Committee. He has participated as a member of the Nielsen Advisory Council and in special projects with The Council for Research Excellence.

The post Beasley Ups Chase to Chief Content Officer appeared first on Radio World.

Getty Images/Alexsl

The problem facing broadcasters trying to capitalize on 5G-fixed-wireless is they don’t know what it is or isn’t yet.

Prior to this month’s CES show, Gary Shapiro, president/CEO of the Consumer Electronics Association, assessed the state of 5G for the Jacobs Media blog: “In 2019, 5G moved from trials to commercialization, with commercial launches in the U.S., Europe and Asia. By 2022, the majority (76%) of smartphones shipping in the U.S. will be 5G enabled,” Shapiro said.

“This year, 5G is capable of significantly greater data capacity for video and telepresence applications, significantly more connections at a time and ultra-low latency. The U.S. is now in a global race for 5G leadership, and connectivity — delivering anytime/anywhere access and information — and it is one of the driving trends of our time.”

And 5G’s potential content delivery powers continue to tantalize radio technical experts. Though the phase-in of 5G networks has begun, the full technical evolution is three to five years off, experts say. This leaves radio broadcasters time to think about ways to take advantage of the next-generation of cellular networks.

The new wireless platform will be superior to earlier generations of mobile systems, with significantly greater throughput and considerably lower latency, according to those who follow the sector.

Fifth-generation cellular technology is expected to have a transformative effect on multiple industries, including audio and video delivery. 5G is initially being deployed in mobile broadband networks alongside 4G/LTE, with stand-alone 5G deployments following at a later stage.

Technical experts say 5G — which was also the theme of several NAB Show sessions last year, and presumably will be again this spring — has the potential to transform how radio broadcasters operate, with enhanced wireless data transmissions and more data-intensive applications, and even point-to-point links.

The FCC continues to conduct 5G spectrum auctions, recently reallocating part of the C-Band spectrum for its use, which will be critical to the deployment of 5G services and applications. And broadcast equipment suppliers like transmitter manufacturers and codec makers reportedly are experimenting with 5G in order to explore the potential of next-gen wireless, even though industry standards have yet to be set.

The point-to-point communication capabilities of 5G could someday eliminate the need for traditional STLs and other high-capacity data circuits for broadcasters.

Much has been written about the implications on video, including virtual reality and e-sports, but the end game for radio depends on the timing of 5G full implementation, since the adoption curve for 5G is a few years from completion.

Observers say broadcasters need to approach 5G from both the standpoint of what it means for consumers and for how stations acquire and deliver content.

“As 5G networks become more ubiquitous, wireless technologies will be incorporated into more consumer devices, expanding the availability of streaming services beyond even where it is today,” said Ari Meltzer, a partner in the telecommunications, media and technology practice at Wiley Rein LLP.

“And because 5G signals have more bandwidth than traditional AM or FM signals, radio broadcasters should anticipate having to compete against the almost limitless variety of programming that will be available over 5G networks.”

Radio broadcasters would be wise to incorporate 5G into their long-term planning, Meltzer said, even if some guesswork is involved.

“Radio broadcasters need to analyze how listeners are consuming their content and how that is likely to change as consumer adoption of connected devices continues to grow at an exponential pace. While this may create challenges for the traditional linear programming model, it also creates opportunities for radio broadcasters to provide expanded interactive services and to reach listeners in new ways with new content,” he said.

The European Broadcasting Union’s project group 5G Deployments is addressing technical and non-technical issues related to business arrangements, deployment models and regulatory conditions for 5G mobile systems, according to Darko Ratkaj, EBU senior project manager for technology and innovation.

Getty Images/diyun Zhu

“Where available, 5G will provide improved connectivity with high speed and low latency, which would improve the user experience with audio streaming,” Ratkaj said. “However, streaming of audio services is already possible over 4G networks and WiFi, and this is increasingly popular. Therefore, the impact of 5G will be incremental, rather than revolutionary. Much will depend on the availability and performance of 5G-enabled user devices.”

In addition, one of the main benefits that 4G and 5G bring to broadcasters, Ratkaj said, is the “possibility to deliver content and services to personal devices, in particular mobile phones, which cannot receive signals via terrestrial or satellite broadcast networks.”

He added, “Content distribution over mobile networks such as 4G and 5G may require different commercial arrangements compared to conventional broadcasting.”

The connected car is expected to make use of 5G next-gen technology as the service rolls out; indeed the connected car is likely to hog a lot of its capacity.

A radio working group of the North American Broadcasters Association notes that 5G is often cited as the primary path forward for vehicle connectivity. “It is believed by many in the automotive space that 5G video application and vehicle-to-vehicle communication will use the majority of 5G’s capacity,” the committee wrote in its report “The Value Proposition of Radio in a Connected World,” published last year.

TOO SOON TO SAY

Technical observers say it is too early to begin architecting radio’s future with 5G but acknowledge the need for the industry to consider all opportunities to share audio and metadata in a better connected world.

“It’s difficult to answer the question about how radio as an industry may take advantage of what 5G has to offer. It’s an emerging technology, and geographic availability is yet to be defined,” said Michael Beach, VP of distribution at National Public Radio.

Milford Smith, principal with Smith, Khanna and Guill Inc., said while 5G is being rolled out by various carriers, some more aggressively than others, he thinks it’s going to take nearly ubiquitous availability before broadcasters explore new applications.

“One thing is for sure, it’s unlikely that there will be much need much longer for heritage wired pathways for out-of-studio events,” Smith said.

Another veteran engineer said how media is consumed will affect the efficiencies of using 5G next-gen services. “Audio is mostly consumed while mobile, whether jogging through the park or commuting to the office,” said Frank McCoy, CE at Salem Media Chicago. “Video is delivered more often to stationary devices. It’s a lot easier to maintain smooth connectivity through a single path than through an environment that requires regular system handoffs. This remains a limitation. The back end structure required to make this work will still struggle, I believe.”

As the small cell infrastructure in high-density areas for 5G is built out, the 5G canopy will expand, McCoy said.

“The new spectrum will linearly expand throughput per cell, but that’s it. To exponentially gain throughput requires more and smaller cells, so this isn’t a problem that’s easy to solve.”

There are technical implications of 5G adoption, too, McCoy said. “I expect 5G will look a lot like 4G but with more bandwidth. It’s still physics-limited to about 3.7 data bits per spectrum Hertz, though. And it may come without support for IPv4. Better study up on IPv6.”

McCoy said he is unaware of any 5G planning done by Salem Media, though fixed, point-to-point services should benefit from more bandwidth. “Then again, the Silicon Valley folks seem to come up with new, better consumer tools that require ever more bandwidth to function. And free connectivity may emerge, driven by ad content, as radio is,” he said.

There will be investment costs for broadcasters to be ready for the 5G world, said Richard Engelman, a technical consultant with Wiley Rein LLP.

“Given the variety of ways in which radio broadcasters can adopt 5G technologies, the range of required investments will vary tremendously,” he said.

“At one extreme, because 5G is a network technology that can be used to distribute a variety of content, radio broadcasters can invest in IP-based content distribution and take advantage of 5G without any incremental cost for 5G itself. At the other extreme, building new point-to-point links or equipping studios and remote facilities to take advantage of 5G technology will require both an upfront capital investment and, potentially, investments in the spectrum required to deliver the signal,” Engelman said.

The post For Radio, It’s Wait and See About 5G appeared first on Radio World.