Design and Characterization of an MFSK-Based Transmitter/Receiver for Ultrasonic Communication Through Metallic Structures.
IEEE Transactions on Instrumentation and Measurement（2011）
Abstract
Some applications require wireless transmission of information to and from devices located inside metal enclosures, e.g., a closed shipping container in transit. However, traditional radio frequency (RF) communication schemes are not capable of transmitting signals through metal enclosures. As an alternative to RF, an ultrasonic communication system based on multitone frequency-shift keying (MFSK)...
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Key words
Containers,Acoustics,Ultrasonic transducers,Steel,Receivers,Frequency shift keying,Communication systems
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