Abstract: Power and signal dual modulation (PSDM) enables simultaneous power control and data transmission in dc microgrid (DCMG). However, the communication signal degrades during long-distance ...

Abstract: Hybrid localization that both angle-of-arrival (AOA) and time-difference-of-arrival (TDOA) measurements are available but the signal propagation speed (SPS) is unknown arise in, e.g., ...

They’re searching for Nancy Guthrie’s heartbeat. Cops are flying over the Tucson desert with a high-tech Bluetooth signal detector, also known as a signal sniffer, in an attempt to locate a signal ...

The search for Nancy Guthrie has taken a high-tech turn. The Arizona police department is now flying over the Tucson, Ariz., desert with a Bluetooth signal detector, also known as a signal sniffer, in ...

FBI investigators have reportedly recovered a glove that appears to match those worn by a masked suspect seen in surveillance footage from Nancy Guthrie’s Catalina Foothills home. Authorities are ...

Camilo Montoya-Galvez is the Immigration Correspondent at CBS News, where his reporting is featured across multiple programs and platforms, including national broadcast shows, CBS News 24/7, ...

Immigrant groups have a message for their mostly White allies: Quit blowing the whistle on ICE. Fox News Digital has reviewed days of messages inside Signal chat rooms that reveal that a new internal ...

Germany's Federal Office for the Protection of the Constitution (aka Bundesamt für Verfassungsschutz or BfV) and Federal Office for Information Security (BSI) have issued a joint advisory warning of a ...