Sprint Ending Lightsquared Relationship

Sprint Nextel will end its planned 15-year 4G network relationship with would-be hybrid network operator LightSquared, the Wall Street Journal reported on Thursday.

The end of the Sprint partnership, which was due to expire on Thursday, would be nearly as big a blow to the foundering LightSquared as the U.S. Federal Communications Commission’s proposal last month to revoke the carrier’s authorization to build a land-based network.

Since the deal was announced last July, Sprint had been planning to host LightSquared’s radio spectrum on its Network Vision infrastructure. LightSquared was to pay Sprint US$9 billion in cash for that hosting and said the plan would save it $13 billion over eight years.

For its part, Sprint had looked to the partnership for extra spectrum on which to run its own planned LTE network. It would get $4.5 billion worth of credits to use some of LightSquared’s spectrum in addition to its own and that of longtime partner Clearwire. Sprint extended the deal twice to give LightSquared more time to win FCC approval for its network.

Sprint will terminate the LightSquared deal on Friday and return $65 million in prepayments by LightSquared, according to the Journal.

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Does LightSquared Interfere With GPS?

A second round of tests on LightSquared’s proposed land-based mobile data network again showed interference with a majority of GPS devices, except for cellphones, two U.S. federal departments stated Wednesday.

LightSquared wants to build a network of 4G LTE (Long-Term Evolution) base stations around the U.S. that would operate on frequencies close to those used by GPS (Global Positioning System) receivers. But the U.S. Federal Communications Commission (FCC) will not approve the company’s plan unless potential interference with GPS has been resolved. Tests earlier this year showed the network could cripple many GPS devices.

The second round of tests was conducted last month and concentrated on LightSquared operating in a lower block of frequencies farther from those used by GPS.

“Preliminary analysis of the test findings found no significant interference with cellular phones,” the Department of Defense and Department of Transportation said in a statement on Wednesday. “However, the testing did show that LightSquared signals caused harmful interference to the majority of other tested general purpose GPS receivers. Separate analysis by the Federal Aviation Administration also found interference with a flight safety system designed to warn pilots of approaching terrain.”

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