Ζεύξεις οπισθοσκέδασης διευρυμένης εμβέλειας με ενσωματωμένα ραδιόφωνα

Abstract

Summarization: This work studies whether increased ranges of bistatic scatter radio communication are possible, especially when low-cost (in the order of 4 Euro), embedded receivers, originally designed for conventional radio (and not for scatter radio) are employed. It is found that for 13 dBm emitter transmission power, 246 meters scatter radio tag-to-reader distance is possible, with packet error rate (PER) less than 1%, while 268 meters are possible at the expense of increased PER, in the order of 10%. A prototype node employing the communication scheme suggested and powered by a supercapacitor along with a solar panel is also built. Additionally an experimental wireless communication link, utilizing the harmonics of a microcontroller’s clock signal as the carrier is presented