The subject matter disclosed herein relates to techniques for estimating a speed of an object that transmits a signal at a carrier frequency. An apparatus and method disclosed herein includes receiving at an array of multiple antenna elements a radio frequency signal transmitted by a moving object; and estimating a speed of said moving object based, at least in part, on a spatial cross-correlation among characteristics of signals received at individual ones of said multiple antenna elements.

 
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< Optical flame detection system and method

> Internal antenna and mobile terminal having the internal antenna

> Mobile radio communication device

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