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Th voltage is multiplied at each of the red points (but the peak to peak remains the same)
Refer to the presentation for more technical details
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The gain of the transponder does not need to be as high as the reader gain (it can be close to 1).
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m: modulation factor → should be high but in reality it is bad to have a high m because the reflected power will be small
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Electromagnetic Information Security for IoT devices (to be continued)
Prof. Agostino Monorchio
EMC: electromagnetic compatibility
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Iot are very susceptible to these leakage since they don’t have an directed antenna, they send signals in all directions.
when we have low power consumption, it doesn’t matter the transmitted signal but the the receiver, when we shut-down and reduce nearby EM emissions we can listen to them.
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All of these 3 factors together can cause an EMC problem.
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