Ericsson transforms bus windows into Wi-Fi antennas - rachelfloore

Ericsson may give birth a contender for oddest networking cartesian product if it commercializes the receiving set motorcoach Windows it demonstrated at this week's CTIA Radio trade read.

The windows would have built-in, translucent antennas connected to an internal Wi-Fi system for passenger use piece on tour. In the example Ericsson showed at CTIA, the dual-band Wi-Fi antenna was just a paid of barely telescopic red gilded embedded between layers of glass.

The Mobile River infrastructure big demonstrated the concept connected the upper level of its booth at CTIA, above a showcase of other technologies designed for so-called heterogeneous networks with both Wi-Fi and cancellated radios. On Tuesday, the company announced enhancements to its meshing direction software that will set aside carriers to do a better job shifting subscribers between the two systems for the best potential reporting.

Ericsson's solution had its origin in a problem for wireless users along buses, cars and trains. For insulation and sun protection, some Windows are now beingness built with thin, translucent layers of Al sandwiched between glass. Combined with the metal that covers the rest of a vehicle, those Windows au fond create a then-called Faraday cage, a box that blocks all outside radio waves, said Bryan Coley, a selling program manager at Ericsson.

Travelers in so much a vehicle can't aim online victimization the outdoor prison cell network, because it's signals are blocked. But Ericsson researchers distinct to employment the metal-in-glassful principle to their advantage by building antennas into the windows along with the insulating metal. Though the window antennas are simple passive antennas, each one reinforces the internal network's signal.

The resulting meshing becomes like an in-flight Wi-Fi system happening an airliner. Passengers log in to an intrinsical Wi-Fi network that uses a longer range engineering, such as LTE, to connect to the outside world.

Concurrently, using signal-blocking windows and internal Badger State-Fi prevents a situation that can sieve out outdoor cellular networks and is one of the problems with cellphone use on planes. If an airline business passenger turns on a phone, IT can cause cell towers on the ground to endeavor to connect with it, diverting bandwidth that could be used by people on the ground. A train full of passengers unknowingly trying to hop on cell towers as they speed past tense potty pull round hard for carriers to manage traffic. Plus, it can quickly draw down the battery life of the phones as they work hard to snap deliquium signals, Coley said.

The construct could also translate from buses and trains to chalk-walled office buildings, he aforementioned. In addition to strengthening an domestic Wi-Fi network, such antennas could improve coverage and capacity on interior cellular systems while alleviation the demands on nearby cell towers that mass inside would otherwise be using.

Source: https://www.pcworld.com/article/452021/ericsson-makes-bus-windows-part-of-a-wifi-network.html

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