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The term Internet of Things(IoT)has gained enormous popularity with the explosion of wireless sensor networks,smart meters,home automation de vices,and wearable electronics.Numerous companies have introduced inno vative solutions for the IoT market that provides security,status,and other convenient services.A connected system architecture comprises a number of wireless nodes ranging from simple remote control devices to complex wireless networks featuring a gateway to connect to the Internet.Many IoT applications have relatively low data rate requirements,which also favor longorange trans mission and low power consumption.