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Boeing tried satellite-based communicat­ions for in-flight Internet way back in 2003, but failed. however, airlines seem to prefer a similar solution now. Why did Boeing’s connexion fail then, and why are similar solutions sought after now?

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services only for limited periods.

Since the technology was so shaky at that point of time, passengers were not sure of how well or how long they would have connectivi­ty, and hence were reluctant to pay for such a service. In addition, after the 9/11 attack, many of the US domestic airlines saw a reduction in their passenger traffic.

All of this made the initial adopters of the technology to back out, and finally so did Boeing! We can surmise that it was a good technology that came ahead of its time and hence crash-landed quite sadly.

“This reminds one of the discontinu­ation of the Motorola-led Iridium offering in the 1990s, which had the vision of providing a multi-satellite based voice network. The architectu­re was viable but the technology was not ready from cost and size viewpoints,” comments Dr Borkar.

Sealing the gap

A few years after Boeing’s failed attempt, Aircell came up with a new paradigm called air-to-ground (ATG) for offering in-flight Internet. Instead of using satellites, Aircell’s Gogo inflight Internet used ground- based cell stations just like typical terrestria­l cellular systems. The ground station antennae pointed up to the planes and approximat­ely a hundred stations were used to cover the skies of continenta­l US. An antenna in the belly of the plane interfaced with these cell stations and allowed access inside the plane, using a Wi-Fi based local-area network (LAN).

Clearly, such a service is much more cost-effective than using satellites, but is limited primarily to coverage over land and not oceans.

 ??  ?? Wi-Fi provided by Gogo Inflight Internet
Wi-Fi provided by Gogo Inflight Internet

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