LightSquared, which is backed by the private equity firm Harbinger Capital Partners, aims to construct a nationwide network that uses the fourth-generation (4G) technology LTE.

FORBES: Qualcomm Making Chips For LightSquared?

Shared fiber : The government constructs (or authorizes a private company to construct) a network of fiber optic cables that run from each home in the municipality to a central peering point.

FORBES: Three Broadband Strategies

At the time they planned to construct a nationwide WiMax network. (See: "Clearwire Buddies Up With Sprint") Sprint and Clearwire couldn't get the deal off the ground, though, and called the whole thing off in November.

FORBES: Magazine Article

At the time they planned to construct a nationwide WiMax network. (See: "Clearwire Buddies Up With Sprint") Sprint and Clearwire couldn't get the deal off the ground, though, and called the whole thing off four months later in November.

FORBES: Magazine Article

At the time they planned to construct a nationwide WiMax network. (See: "Clearwire Buddies Up With Sprint") Sprint (nyse: S - news - people ) and Clearwire (nasdaq: CLWR - news - people ) couldn't get the deal off the ground, though, and called the whole thing off in November.

FORBES: Sprint, Clearwire (Finally) Come Together

At the time they planned to construct a nationwide WiMax network. (See: "Clearwire Buddies Up With Sprint") Sprint (nyse: S - news - people ) and Clearwire (nasdaq: CLWR - news - people ) couldn't get the deal off the ground, though, and called the whole thing off four months later in November.

FORBES: Sprint/Clearwire: Together At Last

LightSquared had agreed to use the Sprint network in its offering and agreed to pay Sprint several billions of dollars to help it construct its Network Vision project.

FORBES: Lights Out As LightSquared Files For Bankruptcy