LaValle says Row 44 has a head start and is already deploying service in Europe, with an eye toward the Middle East and Asia.

FORBES: In The Air

Overland Park, Kansas-based Sprint, which sells service on a technology called WiMax, has a two-year head start on 4G that it has used to stem subscriber defections and revenue declines.

WSJ: AT&T Relabels Wireless Network, Speeds Up Next Generation Rollout