Telecommunications

Improving Cell Reception By Making Signals Noisier

IEEE Spectrum: In wireless communications, noise from the environment or other signals is almost always seen as something to overcome. The Mountain View, Calif.–based Artemis Networks, however, has a different idea. Artemis has developed a system in which a group of…

Med-Tech Eureka: The Body Is the Best Secure Data Channel

IEEE Spectrum: Pacemakers, implantable insulin pumps, neural implants, and other in vivo medical devices all need a way to send their data to the outside world. But ways to do that wirelessly, which would be more comfortable for patients, lend themselves…

Wireless Worries Overshadow Triumphs of RF Research

IEEE Spectrum: Kenneth R. Foster has decades of experience researching radio frequency (RF) radiation and its effects on biological systems. And now he’s coauthored a recent survey on the subject with two other researchers—Marvin Ziskin and Quirino Balzano. Collectively, the three…