Optical fiber, under-seat Wi-Fi will power wireless connectivity at Atlanta’s Mercedes-Benz Stadium

Aerial photo of Mercedes-Benz Stadium under construction. Credit all photos and artist renderings: Merecedes-Benz Stadium (Click on any photo for a larger image)

Aerial photo of Mercedes-Benz Stadium under construction. Credit all photos and artist renderings: Merecedes-Benz Stadium (Click on any photo for a larger image)

Once just a series of drawings on a blueprint, Atlanta’s new Mercedes-Benz Stadium is getting more real by the day, with walls being added to steel beams, and wires for the internal networks being pulled into place.

Though the June 2017 opening day still is many months away, thanks to thoughtful planning many elements of the stadium’s network have already been tested, thanks to a facility created by stadium network officials to test components under situations as close to “live” as they could possibly get. That lab environment helped the network team make its final decisions on vendors and deployment methods, like going under-seat for deployment of most of the 1,000 Wi-Fi APs that will be in the stadium’s bowl area, part of a planned total of 1,800 APs in the entire venue.

In a recent interview with Jared Miller, chief technology officer at AMB Sports and Entertainment (the entity named for Arthur Blank, the owner of the Atlanta Falcons), Mobile Sports Report got an exclusive update on the construction progress so far for the new $1.5 billion facility, along with new details about the internal network deployment, which will be using more optical fiber than any previous stadium network we know of.

Like the network built at Texas A&M’s Kyle Field, the network inside Mercedes-Benz Stadium will have a single optical core for Wi-Fi, cellular and video, using the Corning ONE platform and deployed by lead network integrator IBM along with Corning.

Wall panels being added to Mercedes-Benz Stadium in Atlanta

Wall panels being added to Mercedes-Benz Stadium in Atlanta

Miller also confirmed our earlier report that YinzCam software would be used to host the stadium’s IPTV deployment, but vendor choices for Wi-Fi gear and a stadium app have yet to be named.

As construction teams continue to hustle toward completion of the building, here are more details from our conversation with Miller about how the Falcons’ tech team went through the process of determining the products and methods that would allow them to construct a network able to “push the limits” on fan connectivity.

Under-seat for Wi-Fi, with handrail heat sinks

In our early August conversation with Miller, he was happy to report that the planned 4,000 miles of optical fiber were finally starting to be threaded into the new building. “We’re making great progress with a ton of yellow cable,” Miller said.

While the overall architecture at the network core in Mercedes-Benz Stadium will be similar to the one IBM and Corning deployed at Kyle Field, Miller said that in Atlanta his team is pushing fiber even farther to the edge, “with only the last couple feet at most being copper.”

Interior suite construction with fiber cable visible

Interior suite construction with fiber cable visible

Miller said optical fiber, which can carry more data traffic at faster speeds than copper cable, is a necessary infrastructure underpinning for facilities like Mercedes-Benz Stadium that expect to host the biggest events like the Super Bowl and college football championship games. Mercedes-Benz Stadium is already slated to host Super Bowl LIII, the 2018 College Football Playoff Championship, and the 2020 Final Four.

“I really believe [fiber] gives us the foundation to grow and react in the future, to handle technologies we don’t even know about yet,” Miller said.

On the Wi-Fi side of things, Miller said that Mercedes-Benz Stadium will also mimic Kyle Field’s extensive use of under-seat APs in the bowl seating areas. Miller said the stadium will have 1,000 APs serving the seating areas and another 800 for the rest of the venue, for a total Wi-Fi AP count of 1,800.

Since the Mercedes-Benz Stadium network will be using more optical equipment closer to the edge, Miller said that his team used 3D printing experiments to craft custom enclosures for the under-seat APs, both to ensure they didn’t act as debris “traps” and also to add elements like an internal heat sink to diffuse the warmth from the extra electrical components. The heat sink solution involved attaching the AP elements to metal chair railings to dissipate heat, Miller said.

Testing the network before the building is built

After announcing its partnership with IBM in early 2015 as lead technology integrator, the stadium network team spent 6 months reworking the network design, Miller said, a process that confirmed the choice of optical networking at the core. Then to help the network team select gear and components, the Mercedes-Benz Stadium organization built a “full-scale lab facility” that Miller said allowed his team to build multiple live networks to test gear for performance and interaction with other network elements.

Artist rendering of outside of building

Artist rendering of outside of building

“The lab enabled us to see firsthand how gear behaved, not just alone but together [with other products],” said Miller, who added that at one time the network team had three simultaneous running stadium networks inside the lab.

“We were able to bring in different endpoint devices, like POS systems, and know how it’s going to behave [in a network],” Miller said. Plus, the network gave eventual business users of the planned gear time to get hands-on experience and training well before the stadium opens its doors.

On the DAS side of the network buildout, Miller said the stadium has an on-site, raised-floor room for DAS gear with “ample room” for future growth.

“One of those things we learned was that DAS [needs] always double,” Miller said.

YinzCam software for IPTV

Though the stadium hasn’t yet announced a provider for a game-day stadium application, Miller did confirm that Mercedes-Benz Stadium will use YinzCam software to control its IPTV system, which will cover the 2,500 or so TV screens inside the building.

Artist rendering of Falcons game configuration with roof open and 'halo' video board visible

Artist rendering of Falcons game configuration with roof open and ‘halo’ video board visible

“YinzCam is just the most intuitive and capable content management system,” Miller said.

Video is going to be a big part of the stadium from all angles, beginning with the one-of-a-kind “halo board,” a circular screen that will sit inside the retractable roof lines. For standard TV placements, Miller said Mercedes-Benz Stadium will use mainly 50-inch screens and will work with YinzCam to ensure the screens can be seen.

In the stadium’s suites, TV screens will be controlled by a tablet application; Miller said that Mercedes-Benz Stadium is also “contemplating adding the ability to control TV screens with a mobile app,” like the system YinzCam deployed at Texas A&M.

Friendly food pricing and more to come

Though Miller’s concerns are mostly technological in nature, he said there are still a lot of improvements coming to the stadium “that are not always reliant on brute technology,” like the new lower-priced food menus the Falcons announced earlier this year that seem to harken another era with $2 Cokes and $2 hot dogs. Miller said the stadium team continues to get feedback from a fans’ council, which has tagged the arrival and departure experience as one of the main pain points that needs fixing.

Artist rendering of window wall with view to city

Artist rendering of window wall with view to city

Mercedes-Benz Stadium will try to alleviate ingress and egress issues by doing things like creating “ticketed spaces” perhaps on the big outdoor plazas where many fans can congregate even before entering the stadium doors. By creating such spaces, Miller said fans might be able to enter the stadium more rapidly without the logjams that sometimes occur.

“We’re going to study arrival patterns and see what it looks like,” Miller said. “We have one more season to test those kind of things.”

Another amenity that may emerge is the use of wireless charging stations at a number of locations, to combat a scenario that Miller said often happens at marquee events, mainly fans’ phones draining their batteries as they compete with other devices to connect to a wireless network.

“We are focusing on providing amazing connectivity and pushing the limits,” Miller said. “We are looking at all kinds of options to allow fans to stay connected and not be separated from their device.”

Stadium Tech Report: Corning, IBM bringing fiber-based Wi-Fi and DAS to Texas A&M’s Kyle Field

Kyle Field, Texas A&M University. Credit all photos: Texas A&M

Kyle Field, Texas A&M University. Credit all photos: Texas A&M

Editor’s note: The following is an excerpt from our recent Stadium Tech Report series COLLEGE FOOTBALL ISSUE, a 40-page in-depth look at Wi-Fi and DAS deployment trends at U.S. collegiate football stadiums. You can download the full report for free, to get more stadium profiles as well as school-by-school technology deployment capsules for both the SEC and Pac-12 conferences.

When Texas A&M’s newly renovated Kyle Field opens for the 2015 football season, its outside appearance will have changed dramatically. But from a networking perspective, what’s really different is hidden on the inside – namely, an optical fiber infrastructure designed to bring a new level of performance, cost savings and future-proofing to stadium network deployments.

While the use of optical fiber instead of copper cable in large networks isn’t exactly “new” in the core telecom or enterprise networking worlds, in the still-nascent field of stadium network deployments fiber has yet to make large inroads. But the promise of fiber’s ability to deliver much higher performance and greater future-proofing at lower installation costs in stadium situations may get a very visible poster child when Texas A&M’s football facility kicks off the 2015 season with a technology infrastructure designed to be among the most comprehensive in any stadium, collegiate or professional.

With a Wi-Fi network designed to support 100,000 concurrent connections, a robust DAS network with more than 1,000 antennas, and an IPTV deployment with more than 1,000 screens, the IBM-designed network based largely on Corning’s fiber-optical systems is incredibly impressive on paper – and it has already produced some eye-popping statistics this past season, when just a part of it came online during the “Phase 1” period of the two-phase $450 million Kyle Field renovation.

The final, or Phase 2 of the renovation, just now getting underway, began with an implosion of the stadium’s west stands, with reconstruction scheduled to finish in time for the 2015 season with a new, enclosed-bowl structure that will seat 102,512 fans. And if the new network delivers as planned, those fans will be among the most-connected anywhere, with plenty of future-proofing to make sure it remains that way for the foreseeable future – thanks to fiber.

Driving on the left side of the street

What’s going to be new about Kyle Field? According to news reports some of the creature comforts being added include redesigned concession stands, so-called “Cool Zones” with air conditioning to beat the Texas heat, well-appointed luxury suites and new restrooms – including 300 percent more women’s bathrooms.

Scoreboard, Kyle Field

Scoreboard, Kyle Field

According to representatives from the school, the decision to make the new stadium a standout facility extended to its network infrastructure. “Our leadership decided that [the stadium renovation] would be leading edge,” said Matthew Almand, the IT network architect for the Texas A&M University System, the administrative entity that oversees university operations, including those at the flagship school in College Station, Texas. “There were some leaps of faith and there was a decision to be leading edge with technology as well.”

Though the Phase 1 planning had started with traditional copper cable network design for the network, Almand said a presentation by IBM and its “smarter stadium” team changed the thinking at Texas A&M.

“The IBM team came in and did a really good job of presenting the positive points of an optical network,” Almand said.

Todd Christner, now the director, wireless business development at Corning, was previously at IBM as part of the team that brought the optical idea to Texas A&M. While talking about fiber to copper-cable veterans can sometimes be “like telling people to drive on the left side of the street,” Christner said the power, scalability and flexibility of a fiber network fit in well with the ambitious Kyle Field plans.

“The primary driving force [at Texas A&M] was that they wanted to build a state of the art facility, that would rival NFL stadiums and set them apart from other college programs,” Christner said. “And they wanted the fan [network] experience to be very robust.”

With what has to be one of the largest student sections anywhere – Christner said Texas A&M has 40,000 seats set aside for students – the school knew they would need extra support for the younger fans’ heavy data use on smartphones. The school officials, he said, were also concerned about DAS performance, which in the past had been left to outside operators with less than satisfactory results. So IBM’s presentation of a better, cheaper alternative for all of the above found accepting ears.

“It was the right room for us to walk into,” Christner said.

IBM’s somewhat radical idea was that instead of having separate copper networks for Wi-Fi, DAS and IPTV, there would be a single optical network with the capacity to carry the traffic of all three. Though the pitch for better performance, far more capacity, use of less space, and cheaper costs might sound a bit too good to believe, most of it is just the combination of the simple physics advantages of using fiber over copper, which are well known in the core telecom and large-enterprise networking worlds, applied to a stadium situation.

Deploying now and for the future

Corning ONE DAS headend equipment.

Corning ONE DAS headend equipment.

Without going too deeply into the physics or technology, a simple explanation of the benefits stem from the fact that optical fiber can carry far more bandwidth than copper, at farther distances, using less power. That advantage is one reason why fiber is used extensively in core backbone networks, and has been creeping slowly closer to the user’s destination, through deployments like Verizon’s FiOS.

Why hasn’t fiber won over completely? Mainly because in single-user deployments – like to a single home or office – it is still costly to replace systems already in the ground or in the wall with fiber, and for many users fiber’s capacity can be a bit of overkill. Fiber’s main benefits come when lots of bandwidth is needed, and the scale of a project is large, since one main benefit is the elimination of a lot of internal switching gear, which takes up space and consumes lots of power.

Those reasons accurately describe the perfect bandwidth storm happening in networked stadiums these days, where demand seems to keep increasing on a daily basis. Some stadiums that were at the forefront of the wireless-networking deployment trend, like AT&T Park in San Francisco and AT&T Stadium in Arlington, Texas, have been in a near-constant state of infrastructure upgrades due to the ever-increasing needs for more bandwidth. And Isaac Nissan, product manager for Corning ONE, said new equipment like Wi-Fi access points with “smart” or multiple-input antennas are also going to help push the LAN world into more fiber on the back end.

But there’s another drawback to using fiber, which has less to do with technology and more to do with history: Installers, integrators and other hands-on networking folks in general are more comfortable with copper, which they know and have used for decades. Fiber, to many, is still a new thing, since it requires different skills and techniques for connecting and pulling
wires, as well as for managing and administering optical equipment.

“There’s definitely a learning curve for some the RF [industry] people, who have been doing coax for 20 years,” Nissan said. “Fiber is a little different.”

Texas A&M’s Almand admitted that bringing the stadium’s networking group into a new technology – fiber – was a challenge, but one with a worthy payoff.

Copper cable tray hardly filled by optical fiber

Copper cable tray hardly filled by optical fiber

“There’s definitely been a gear-up cycle, getting to a new confidence level [with fiber],” Almand said. But he added that “sometimes it’s good to break out of your comfort zone.”

Lowering the IDF count

Christner said the Corning optical gear is at the center of the Kyle Field deployment, providing support for the fan-facing Wi-Fi as well as Wi-Fi for back of the house operations like point of sale; it also supports the stadium DAS, as well as a network of more than 1,000 IPTV screens. Aruba Networks is the Wi-Fi gear supplier, and YinzCam is helping develop a new Kyle Field app that will include support to use smartphones as remote-control devices for IPTVs in suites.

On the Wi-Fi side, Christner said the finished network will have 600 APs in the bowl seating areas, and another 600 throughout the facility, with a stated goal of supporting 100,000 concurrent 2 Mbps connections. The DAS, Christner said, is slated to have 1,090 antennas in 50 sectors.

With no intermediate switching gear at all, Christner said that for the fiber network in Kyle Field only 12 intermediate distribution frames (the usually wall-mounted racks that support network-edge gear, also called IDFs) would be needed, as opposed to 34 IDFs in a legacy fiber/coax system. In addition to using less power, the cabling needed to support the fiber network is a fraction of what would have been needed for coax.

One of the more striking pictures of the deployment is a 36-inch wide cable tray installed for the original copper-network plan, which is carrying just 10 inches of fiber-optic cable. Christner said the fiber network also provides a cleaner signal for the DAS network, which already had a test run this past season, when 600 DAS antennas were deployed and lit during the 2014 season.

“At the Ole Miss game we had 110,663 fans at the stadium, and according to AT&T on the DAS all their lights were green,” Christner said. “Via our completely integrated fiber optic solution, we are now able to provide the DAS with much higher bandwidth as well,” said Texas A&M’s Almand, who also said that the carriers have responded very positively to the new DAS infrastructure.

Up from the dust – a model for the future?

Antenna and zone gear box near top of stands

Antenna and zone gear box near top of stands

Also included in the design – but not being used – are an additional 4,000 spare fibers at 540 zone locations, which Christner said can be immediately tapped for future expansion needs. And all of this functionality and flexibility, he added, was being built for somewhere between one-third and 40 percent less than the cost of a traditional copper-based solution.

The proof of the network’s worth, of course, will have to wait until after the west stands are imploded, the new ones built, and the final pieces of the network installed. Then the really fun part begins, for the users who will get to play with things like 38 channels of high-def TV on the IPTV screens, to the multiple-angle replay screens and other features planned for the mobile app. At Texas A&M, IBM’s support squad will include some team members who work on the company’s traditionally excellent online effort for the Masters golf tournament, as well as the “smarter stadium” team.

For Texas A&M’s Almand, the start of the 2015 season will mark the beginning of the end, and a start to something special.

“If I were a country singer, I’d write something about looking forward to looking back on this,” Almand said. “When it’s done, it’s going to be something great.”

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