DailyTech's Samad Khan says Sprint is expected to announce its 4G plans soon.

"While most major US mobile phone carriers struggle to implement 3G wireless networks, Sprint has already made statements with regard to its next generation infrastructure," Khan writes.

"Fourth generation or 4G is the successor to 3G wireless access technology. 4G will be based primarily on packet switching unlike 3G which is a mixture of circuit switched and packet switched networks. Packet switching allows for low latency data transmissions, but when implemented correctly can still burst to very high transmission rates."

"Sprint nextel plans to make its long-awaited decision on a 4G (fourth-generation) mobile communications technology by the end of August and start deploying the system in 2008," says company COO Len Lauer.

According to Khan, analysts expect that Sprint's network will cost about $4 billion to roll out nationwide.