While the UMTS third-generation (3G) wireless specifications call for a set of operating modes, many operators and system developers have turned to the frequency-division duplexing (FDD) scheme for ...

BT Wireless has announced that it made a successful video call between two third-generation (3G) phones on the Isle of Man on Wednesday, and insists it is still on track to launch the Manx 3G network ...

Mobile engineers have successfully demonstrated the handoff of a voice call from LTE to 3G, a capability that may prove critical in carriers’ plans to put voice on their new, fast data networks.