A broad misconception is that the U.S. Army Signal Corps is a single-function organization, but its responsibilities have grown over time, and it is now a vital element of communications support that ...

This paper develops a mathematical framework to study signal networks, in which nodes can be active or inactive, and their activation or deactivation is driven by external signals and the states of ...

Q: How accurately can the radio signal from an access point (which supports attenuation by varying the power output, such as some Buffalo access points) be attenuated, contained or controlled? – Derry ...

Moxie Marlinspike, founder of Open Whisper Systems (OWS), the not-for-profit software group behind the respected Signal Protocol crypto (and the eponymous Signal secure messaging app) has responded to ...

Find a downloadable version of this story in pdf format at the end of the story. When measuring a circuit or device with a network analyzer, engineers generally inject a signal and believe that the ...

New York’s subway is struggling with old infrastructure and overcrowding. The M.T.A.’s failure to modernize its signal system is a crucial example. Antiquated signaling equipment at the West Fourth ...