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AT&T 5G: Behind the scenes in Texas as the new mobile network goes live



(Image: Corinne Reichert/ZDNet)

AT&T has begun lighting up its 5G mobile network across the United States, with the carrier finally seeing the fruits of the research it kicked off over half a decade ago.

The 5G network went live in mid-December in parts of Dallas, Houston, San Antonio, Waco, Atlanta, Charlotte, Indianapolis, Jacksonville, Louisville, Oklahoma City, New Orleans, and Raleigh, using millimetre-wave (mmWave) spectrum.

In the first half of 2019, it will also be switched on across Los Angeles, San Diego, San Francisco, San Jose, Las Vegas, Orlando, and Nashville.

To see how AT&T’s 5G rollout came together in time to launch by late 2018, ZDNet visited the carrier’s Dallas HQ, Plano Foundry, Waco trial site, and Austin innovation labs.

Early 5G deployment in Waco


The cell tower in Waco, Texas, with a 5G radio attached

(Image: Corinne Reichert/ZDNet)

The carrier’s rollout began with a trial in 2017 in Waco, Texas, at the Magnolia Market at the Silos.

The test network enabled AT&T to perform its first official 5G data call, with the purpose of the trial run to prove that mmWave would work for 5G, AT&T Labs director of Advanced Wireless Technology Group Arun Ghosh told ZDNet.

“We came into a commercial setting, and we still work here with a lot of early prototypes,” Ghosh said during a tour of the Silos in Waco.

“We learned a couple of things — I think one of the things that we learned is that usually, people have a very knee-jerk reaction when you say millimetre-wave because of previous experience with satellites, how susceptible they were to the signals getting faded and blocked, and how large the devices had to be; you had to have this big parabolic dish.

“So one of the things that technology has come a long way in is taking that to a much more robust and mobile platform.”

Read also: AT&T to go live in 12 cities in December

AT&T kicked off its 5G trial network at the Magnolia Market lifestyle and homewares centre a year ago, in December 2017, using mmWave spectrum and 5G radio and antenna prototypes, as well as a series of Wi-Fi access points scattered throughout the complex.

The 5G radio was attached to an existing cell tower located around 180 metres from the receiver sitting in a window at the Silos.


Comparing speed test results on LTE and 5G at Magnolia

(Image: Corinne Reichert/ZDNet)

Around 5,000 people visit the Silos daily, and a part from customers who are able to use the high-speed, high-capacity 5G Wi-Fi connection, the food trucks operating inside the grounds also use it for their point-of-sales systems and back-office management devices.

The 5G trial network in Waco was able to provide connectivity during Magnolia’s Spring Festival earlier this year, which saw a 70,000-strong crowd descend on the centre — an event for which AT&T would normally have had to deploy a cell on wheels.

“This is the only customer that we have left that’s on our early pilot,” Ghosh said, after the owners requested that AT&T keep the pilot up and running until the live network was ready to go.

“Once we have the commercial network, we will most likely swap it out with the commercial 5G equipment and turn the experimental system down at that point. The experimental system is big, it’s clunky, it’s power hungry, it’s an earlier generation.”

AT&T launches 5G across 12 cities


AT&T’s Arboretum Lab in Austin

(Image: Corinne Reichert/ZDNet)

AT&T launched its live commercial 5G network in Waco on December 21, as well as across 11 other US cities. Much like the test network, the carrier is providing a 5G-compatible mobile hotspot that current smartphones can connect to via Wi-Fi.

CTO Andre Fuetsch told ZDNet that the launch involved working alongside partners Ericsson, Qualcomm, and Netgear at a “dramatically accelerated” timeline.

“We were pushing ourselves at speeds we’ve never done before, and the whole supply chain ecosystem that we’re working with, we’ve never worked this fast with them before,” Fuetsch said during an interview in Dallas this week.

Some of the towers AT&T went live with were built just days prior, he said. For such a fast launch, everything had to be developed in parallel, which is why AT&T chose to work with just one vendor, one chipset manufacturer, and one device maker initially.

“When we sat down a year ago and said that we were going to get this launch by the end of 2018, we had to focus on one particular RAN vendor to make this happen, one particular device vendor, and one chip vendor. Complicating it more, given the aggressiveness of the timeline, was too much. It was already complex enough,” Fuetsch said.

The next seven launches at the start of 2018 will use Samsung and Nokia, alongside Ericsson.

“You’ll see in 2019 a multi-prong 5G strategy with those three vendors,” he added.

Fuetsch said there were several factors that went into choosing each early launch location, including spectrum availability; the receptiveness of the local municipality, with some more open to new technologies than others; where AT&T had Ericsson markets; proximity to its core datacentres and mobility packet core; and a selection across both urban and regional areas.

Unlike Verizon’s fixed 5G offering, Fuetsch added AT&T’s hotspot will work throughout the country across LTE and 5G with seamless handover, making the deployment both forwards and backwards compatible as more areas are switched on.

Read also: AT&T hits new 5G milestone with standards-based mobile device

AT&T will take learnings from this initial deployment and apply them to its future 5G expansion, Fuetsch said, including how mmWave signals interact with the real world.

Some of the issues around working with mmWave spectrum include short propagation distances and problems with building penetration, so AT&T is using reflections off existing objects to help project the signals to user devices — even taking into account the changing seasons.

“Just based on reflections, you can get a pretty amazing service with millimetre-wave, so we expect as we deploy more, as we learn more about the particular areas that we’re serving — the building materials, the foliage, trees, all of those aspects play into how the service is going to perform,” Fuetsch told ZDNet.

“And then also as you go through seasonality, trees get lots of leaves, leaves fall off, things like that, we’re going to learn a lot more. But we’re very confident that it will be a very positive experience, and we’re pretty excited about some of the early test results we’re finding in the cities that we’ve just turned on recently.”

The physical challenges of deploying the actual radio equipment are also being overcome one location at a time. The carrier is using city-owned property for its attachments, so it must adhere to rules and regulations as well as guidelines around aesthetics, said Fuetsch.

One city particularly concerned with aesthetics is San Francisco, which has insisted that AT&T shroud its 5G equipment in decorative pieces from local artists.


AT&T HQ in Dallas

(Image: Corinne Reichert/ZDNet)

“One of these compromises we did: There were three districts within San Francisco that we worked with the local community, where they selected local artists from those neighbourhoods to design, take their art, which we would then put on these vinyl wraps, and then wrap the equipment, and that seemed to have a very positive reaction,” Fuetsch said.

As well as gaining experience across physical deployment and spectrum concerns next year, AT&T will use 2019 as a “big learning year” for 5G pricing and marketing to see what actually encourages customers to make the shift over to the new mobile network, Fuetsch said.

AT&T will initially be offering the Netgear Nighthawk 5G Mobile Hotspot and 5G data usage for free to selected enterprise and consumer customers for the first 90 days; as of spring 2019, customers will then be able to order the device and service for $499 upfront and $70 per month for 15GB of data.

The most interest in early 5G has come from enterprise customers, with local businesses in those 12 areas being selected, but consumer customers will also be “brought on in a limited fashion”, Fuetsch said.

AT&T is also expecting to launch two 5G smartphones next year: One in the first half using mmWave spectrum, and the second using sub-6GHz in the second half of the year.

While the CTO would not comment on form factor, he said the smartphones are coming along well, and AT&T is “involved in every device that attaches to our network … very involved in 5G smartphones”.

But while mobile broadband is a big use case for 5G, Fuetsch did say that the new networks should not only be thought of as serving endpoint customers and machines; they are also a solution for providing backhaul instead of fiber.

“Small cells will become more intelligent, so as we deploy more of these to serve at let’s say a city park, they can be deployed in a manner — not today, but in the near future — where they can actually form a mesh network in terms of how they connect to each other and backhaul the traffic,” he explained.

“So you would only essentially need one particular node that would have to have a fiber connection. And this is important because today, you’re basically having to make sure that there’s a fiber facility to serve it; in future, we have the option to take advantage of millimetre-wave as a backhaul mechanism, and then over time as demand grows, it buys you time to eventually fiber them up.”

The carrier is planning to have nationwide 5G coverage by early 2020, combining both its sub-6GHz and mmWave bands — but what applications will actually require such a step-change in speed and capacity?

5G and the Internet of Things


AT&T’s Foundry in Plano, Texas

(Image: Corinne Reichert/ZDNet)

One of the biggest areas of 5G work for AT&T is across the Internet of Things (IoT).

Thanks to the ultra low latency (ULL) enabled by 5G, AT&T IoT head Chris Penrose told ZDNet that the new mobile network opens up many new IoT use cases, such as remotely controlled mining, construction, and surgery.

The world of autonomy becomes increasingly possible when bringing ULL into the market, he said.

Due to this overlap between IoT and 5G, Penrose said his team has been “heavily involved” in 5G preparations and testing with the network arm of the company.

“At the end of the day, so many of the initial proof-of-concept solutions looking to be built are IoT in nature, and my team is set up as a vertically structured organisation so we’ve got expertise in automotive, we’ve got expertise in healthcare, we’ve got expertise in manufacturing, we’ve got expertise in retail,” he explained when meeting with ZDNet in Dallas.

“And so we will pull in the right people on the application or solution we’re looking to bring, we’ll bring in my vertical experts as well as my technology experts, and we’re heavily involved with everything going on.

“At the end of the day, it’s really a massive team effort across this business to have everybody sitting around the table looking at what we can go create together.”

One of the capabilities enabled by 5G networks is using multiple real-time video streams in smart cities deployments rather than just low-power sensors across infrastructure, Penrose said.

“They say a picture’s worth 1,000 words; video is worth 100 sensors,” he told ZDNet.

“You can get a lot more rich information off an image or a video stream, so how does that open up a whole bunch of different opportunities? Certain things can be processed locally and at the edge, but then if you wanted to be able to turn on all the video cameras in a certain city area because of a threat situation — being able to take all that information on in real time to then help first responders be able to address an emergency situation becomes a very good use case.”

Read also: AT&T and the push for smarter cities

Vehicle manufacturers have also come to AT&T for advice on how they can utilise 5G for better connected cars, he said.

In relation to the physical challenges of deploying 5G, Penrose said the IoT arm’s smart cities partnerships are also helping with this. Its partnership with the City of Los Angeles, for example, is “accelerating zoning of putting up 5G infrastructure” in a faster and more economic manner.

Up in AT&T’s Plano Foundry, the company is working on solving existing IoT-centric problems its customers have, and tapping into the 5G networked throughout the innovation lab to do so.

“What we try to do is to bring innovation from the outside and tap into whether it’s innovation happening in startups, or innovation that we should be bringing to our customers,” Vishy Gopalakrishnan, AT&T VP of Ecosystem and Innovation, told ZDNet in Plano.

“This is one of six Foundry locations and they all do similar kind of work, but this one focuses specifically on co-creation with our enterprise customers.”


The data and analytics command center at AT&T’s Foundry in Plano, Texas

(Image: Corinne Reichert/ZDNet)

Some of the solutions AT&T has worked on in Plano include a grocery store using sensors to keep track of how many potato chip packets are left on a shelf; using a connected cooler to calculate when to restock cans of Red Bull; heat mapping customers moving around stores; and even helping construction companies calculate when they should clean a Porta Potty.

5G enables network slicing to work on separate enterprise use cases more effectively, director of AT&T Foundry Craig Lee said.

The Foundry’s ideation station, used by customers when they first come to AT&T with a problem that needs solving, involves using Lego and Play Dough to create a mockup of the kind of solution they want.

In a process that Gopalakrishnan called “rapid prototyping”, AT&T and its vendors then use these mockups to work out whether the solution is financially deployable and technically capable. The carrier interacts with its customers on at least a weekly basis, with the initial prototype usually produced within two weeks, Lee added.

Working with AT&T in the Foundry are vendors including Ericsson, Cisco, Tech Mahindra, and Nokia.

“5G depends on the applications and the solutions,” Penrose argued.

“There are going to be massive amounts of sensors we need to put on in a certain area, we wouldn’t be able to do it as it exists now on the network … as we’re sensorising everything and as we’re putting more and more connections and sensors out there, the infrastructure needs to be able to support that.”

Developing 5G technology in the labs


AT&T Labs director of Advanced Wireless Technology Group Arun Ghosh at the Arboretum Lab in Austin

(Image: Corinne Reichert/ZDNet)

Developing all of these use cases together, while combining internally as well as with vendor partners on specific customer solutions, has resulted in AT&T opening a series of labs across the United States.

One such facility, the Arboretum Lab in Austin, is run by Ghosh, whose team works across testing and tweaking the sending and receiving of 5G radio signals, developing and building their own equipment to do so, and taking these findings back to AT&T’s vendors.

Ghosh used the Waco trial as a testbed to determine how to build out commercial 5G.

“For Waco, I know we used a lot of the measurement from the pilot to actually plan the network,” Ghosh told ZDNet.

Read also: AT&T unveils 5G Innovation Zone with Samsung

His team’s PANDA (path-loss and network data acquisition) project dealt with collecting data from the network and feeding it back into the carrier’s planning tools to make adjustments in the modelling.

“Planning tools, especially in these frequency bands … everything is very new, many of them don’t really model the things properly; sometimes there’s a big gap between what the planning tool actually observed in Waco, what the planning tool actually predicted, and what we saw on the ground,” Ghosh explained in Austin.

“Planning tools in our view still need to mature, and [this is] what PANDA is supposed to do.”


The RF room at AT&T’s Spectrum Lab in Austin

(Image: Corinne Reichert/ZDNet)

Ghosh said PANDA took just three months to develop with a team of four people. He has now moved on to PANDA 2.0, dubbed ROACH (real-time omni-array channel) — essentially PANDA with four phased arrays to get omni-directional coverage — which will use VR headsets to “see” the network beams and make adjustments.

“What you would see on the VR is first of all, there is the camera that sits on top, and you’d have a 360-degree view of what it looks like from the viewer’s point of view, then on top of that you would get a lot of information related to which cell you are receiving and which direction,” Ghosh explained.

“You can click [on the visualised information] and what it’s going to tell you is which base station it’s coming from, which beam, and what signal strength you are getting, and maybe a few other parameters.”


Nokia’s 5G radio head in AT&T’s Spectrum Lab in Austin

(Image: Corinne Reichert/ZDNet)

While proof-of-concepts are designed, developed, and tested at Arboretum Lab, the Spectrum Lab, also located in Austin, is used for support testing on the carrier’s live mobile networks.

Spectrum Lab already has access to a Nokia 5G radio head, supporting both LTE and 5G at the sub-6GHz band. Lab workers have tested the 5G equipment so far with LTE, but as the Nokia software is not yet ready, they are expecting to begin running tests across the 5G equipment in May to June 2019.

Read also: A peek behind AT&T’s 5G debut and $700 million spent in Kentucky (TechRepublic)

For now, the lab is responsible for call processing, data storage, and software-defined networking, with the facility housing routers, switches, virtual network functions, and call equipment across its 2G, 3G, and 4G LTE networks.

So with legacy networks still live and being supported, and 5G well and truly on its way to being a commercial reality, what are the labs turning to next?

As 5G deploys, 6G research begins

Ghosh’s team began working on millimetre-wave way back in 2011, when AT&T was only just beginning to deploy 4G LTE.

Likewise, he said that as 5G is starting to launch, he is already turning to 6G.

“We have started working on bit by bit, little pieces of 6G, only theoretical at this point. You will probably not see any equipment on that for another four or five years,” Ghosh told ZDNet.

“For 6G, we are leveraging a lot of university relationships. So part of that work gets funded at universities, and there’s some very specific directions.”

For Ghosh, 6G represents a series of opportunities for things he wants to do with mmWave that are “clearly out of the scope of 5G at this point”.

“There are things that are slowly happening even in millimetre-wave that will make millimetre-wave at 6G everything that you can do with mobile,” he said.

“Everything — high mobility, high speed, all of that. All digital beam forming, but it requires a lot of new science.”

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2022 Honda Passport is hitting the rally circuit



The 2022 Honda Passport is hitting the rally circuit as the Japanese automaker fortifies its motorsports pedigree. And similar to the Honda HPD Ridgeline that competed at the recently concluded Rebelle Rally, the Passport is going rallying with a team of Honda engineers led by suspension test engineer and driver Chris Sladek and chassis design engineer and co-driver Gabriel Nieves. Both men are from Honda’s North American Auto Development Center in East Liberty, Ohio.

Honda recently debuted its redesigned 2022 Passport five-seat crossover SUV, which now gets a more rugged TrailSport variant with chunkier aesthetics, 18-inch wheels, and 8.1-inches of ground clearance. However, the rally version is the brainchild of the Honda Performance Development (HPD) Maxxis Rally racing team. It has 17-inch BRAID Winrace T rally wheels, Maxxis RAZR M/T or RAZR A/T tires, rear differential skid plates, and an aluminum oil pan cover to protect vital underpinnings from impacts and bumps.

Other changes include protective high-density polyethylene panels on the fuel tank, Carbotech XP12 brake pads, and racing-bred brake fluid to offer reliable stopping power. It also has OMP racing seats with six-point competition harnesses, a roll cage, a rally computer, and a fire suppression system. Of course, it gets distinctive exterior livery courtesy of HPD.

The Passport rally car is also lighter than stock with Lexan polycarbonate rear glass and deleted rear seats. Other changes like a hydraulic handbrake are mandatory, while the modified exhaust offers a louder exhaust sound while reducing engine backpressure to improve performance.

Meanwhile, there are no changes under the hood. The 2022 Honda Passport rally car is hitting the rally circuits with a stock 3.5-liter i-VTEC V6 engine, a nine-speed automatic gearbox with paddle shifters, and i-VTM4 all-wheel-drive system. “The fact that we didn’t make any modifications to the 2022 Honda Passport’s drivetrain or suspension for such punishing terrain and competition speaks volumes to the capability and performance that comes standard in the Passport,” said driver Chris Sladek.

Honda’s Passport rally truck made its racing debut at the Lake Superior Performance Rally (LSPR) in Michigan last October 15 to 16. The team finished 22nd out of 42 regional competitors while placing 4th out of six in the Limited 4WD class. The Passport will see more action throughout the 2022 American Rally Association (ARA) series.

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The 2022 Honda Civic Si aims right for the sweet-spot



Honda promised something hotter from the 11th Gen Civic line, and the 2022 Civic Si is just that. Taking the well-received Civic Sedan, and then pumping in some extra performance, it should bridge the gap between now and the new Civic Type R expected to launch sometime next year – and be more affordable than that car, too.

It’s got some solid underpinnings to start from, with both the Civic Sedan and the Civic Hatchback getting praise for their handling and poise. This new Civic Si, meanwhile, upgrades Honda’s turbocharged 1.5-liter four-cylinder VTEC engine, and then pairs it with a 6-speed manual transmission.

The engine is good for 200 horsepower arriving at 6,000 rpm, with a 6,500 rpm redline. Torque is 192 lb-ft, now arriving between 1,800 and 5,000 rpm; that, Honda points out, is 300 rpm sooner than the outgoing car. The broader power curve and a lighter flywheel should make for a car that responds more rapidly, the automaker promises.

As for the transmission, it’s an improved 6-speed manual with the rev-matching system from the Civic Type R. The result, Honda says, is a better feel and 10-percent shorter throws. You’ll have to like it, mind, since Honda won’t be offering the 2022 Civic Si with an automatic option. Fuel economy comes in at 27 mpg in the city, 37 mpg on the highway, and 31 mpg combined.

A helical limited-slip front differential is standard, along with a new Active Sound Control system which boosts the natural engine noise in the cabin. Honda insists it’ll add to, rather than detract from, the overall driving experience. Bigger brakes have been fitted, with 12.3-inch front rotors growing a whole 1.2-inches over the standard Civic Sedan, while the rear rotors grow almost an inch to 11.1-inches total. 235/40R18 all-season performance rubber is standard, with summer tires a factory option.

As with the Sedan and Hatchback, the new Si benefits from the 11th Gen Civic’s stiffer body and longer wheelbase. Honda then adds 8-percent stiffer front springs and 54-percent stiffer rear springs, together with new dampers, reinforced upper front MacPherson struts for better cornering, and thicker front and rear stabilizer bars to cut body roll. The Type R donates compliance bushings, upper arms, and lower B-arms, while steering gets an upgrade courtesy of a stiffer torsion bar.

There are still Normal and Sport drive modes, but an Individual mode has been added. That allows the driver to choose their mix of engine response, steering weight, and instrumentation theme settings.

Outside, there’s a new upper front bumper, a reworked rear bumper with twin oval exhaust tips, a front spoiler, and a gloss black rear spoiler. More gloss black appears on the mirrors and window surrounds, and Honda makes LED lighting front and rear standard, too. 18-inch 10-spoke alloy wheels – in an Si-specific matte black – are standard, too, and the Blazing Orange Pearl paint is exclusive to the car as well.

Inside, Si-exclusive sport seats with integrated head restraints and more shoulder and lower thigh support are included, along with sport pedals and red contrast stitching. The honeycomb dash panel is carried over, but with red trim now. A 7-inch driver display and 9-inch infotainment touchscreen are standard, with wireless Apple CarPlay and Android Auto. Honda also adds the 12-speaker Bose audio system, and Honda Sensing is standard, too.

Pricing will be confirmed closer to the 2022 Civic Si’s arrival in dealerships later in 2021.

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Toyota Tacozilla inspired by 1970s Chinook campervans to debut at SEMA



We bet you haven’t heard of the Toyota Chinook campervan, but we’re pretty sure you’ll be looking forward to Toyota’s Tacozilla campervan concept at this year’s SEMA show in November. The Toyota Chinook is a collaboration between the Japanese automaker and American wagon maker Chinook RV. The first Toyota Chinooks entered the market in 1973 and were essentially motorhomes with a pop-up roof built on a long-wheelbase Toyota half-ton truck chassis.

And since it’s a Toyota, Chinook campervans have the same bulletproof reliability as Toyota trucks. The folks at Toyota’s motorsports tech center in Texas created Tacozilla with the Chinook in mind, but it now has a more contemporary design to cope with seriously rugged terrain.

Starting with a Toyota Tacoma TRD Sport manual, the team conceptualized a bed-mounted micro-house with a cab-over design and a stubby rear end to lessen the approach and departure angles, making it effortless to find a suitable camping spot in the wild outdoors. According to project manager Marty Schwerter, Tacozilla will be sleeker, more aerodynamic, and more fuel-efficient than any Toyota Chinook before it, not to mention more off-road capable than ever before.

Toyota claims the camper is tall enough for a six-foot two-inch person to stand while cooking meals in the built-in kitchenette. The home quarters will also have a table, a standard toilet, and a two-person bed. Tacozilla will also come in a unique retro-inspired red, white, and orange livery as those vintage Chinook campervans. “Racecars are cool looking,” added Schwerter. “I want campers to be cool looking, too.”

And while the old Chinooks were motivated by Toyota’s 18R motor, Tacozilla will have a standard 3.5-liter V6 engine with 278 horsepower and 265 pound-feet of torque. The initial rendering also features unique off-road wheels and chunkier Cooper Discoverer all-terrain tires.

Unlike other concepts, the Toyota Tacozilla is as real as it gets. The automaker is working overtime in finishing the prototype just in time for the 2021 SEMA Show this November 2 to 5, 2021. The question is, can we expect Tacozillas at Toyota dealerships soon? If Toyota did it in the early 1970s, we could see no reason it won’t be doing it again. But will Tacozilla be as cool as those retrolicious Chinook camper vans? We’ll have to wait for SEMA to find out.

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