This communication presents a study showing that mobile phone usage duration have got a significant effect on the EMI characteristics. This is because the long-time operation (transmitting and receiving) of the mobile phone cause their hardware to worn-out over a period of time to significant extent. Hence, the operation of worn-out elements introduces errors that degrade the performance of the power flow control algorithms along with the hardware, which in turn result in poor power flow control in different hardware of mobile phone. This leads to the generation of interference and compels a handset to violate the EMC regulations. This degrades the quality of the mobile phone services and leads to malfunctioning of electric/electronic devices in its vicinity and also to the systems connected to the same grid. [ABSTRACT FROM PUBLISHER]
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