Coherent detection and channel coding for bistatic scatter radio sensor networking
作者： Nikos Fasarakis-Hilliard , Panos N. Alevizos , Aggelos Bletsas
关键词:
摘要: With low monetary cost and minimal energy consumption, communications by means of reflection scatter radio have emerged as key enabler for low-cost, large-scale dense ubiquitous wireless sensor network applications. This work maximizes communication range (a) proposing a novel coherent receiver frequency-shift keying (FSK) modulation the bistatic channel (i.e., carrier emitter are dislocated) (b) employing specific short block-length cyclic error-correcting codes. Despite presence three unknown links due to setup multiple radio-related parameters, proposed vastly improves BER performance compared state-of-the-art receivers. Experimental corroborating results offered, with commodity software-defined (SDR) reader, custom tag omnidirectional antennas. Tag-to-reader ranges up 150 meters reported little 20 milliWatt transmission power, offering extension approximately 10 additional
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