Abstract
Intentional electromagnetic interference (IEMI) in 0.5–2.0 GHz corrupts the electronic systems and wireless communication due to significant power transmitted in the said frequency range. We present the characteristics of IEMI at the receiver-end experimentally, when transmitted in office environments. Based on the observations, we successfully detected the ultrawideband (UWB) IEMI using multiband spectrum sensing techniques. We have implemented a system-level IEMI receiver by partitioning the frequency band into eight sub-bands and using ADRV9009 to downconvert and digitize each sub-band. A comparative study of receiving and combining the eight sub-bands simultaneously, in a time-interleaved manner, is presented.
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