Using cognitive-type radio features to help share frequency bands between various services is gaining popularity in the United States. Two of these features are transmitter power control (TPC) and ...

The future of two-way radio communication lies in the ability to use a single device to communicate as a network with other types of devices, maximize the use of limited bandwidth and harness the ...

San Francisco — Within as little as five years, cell phones will need to incorporate software-defined radios that can flexibly find and use available spectrum. Yet today, the industry lacks a standard ...