Mahdi Abdul Hadi

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This paper presents the development of wireless sensor monitoring system for environmental applications. The system is based on wireless ZigBee technology and uses 32-Bit Arduino Uno microcontroller for monitoring of environmental parameters measurements online such as carbon dioxide, oxygen, temperature and humidity levels. The CO<sub>2</sub>,(More)
In practical OFDM systems the transmitter send the data out through a multipath fading channel. At the receiver, the received data distorted by the channel characteristic. So, in order to recover the transmitted data, the channel effect must be estimated. In this paper channel estimation based on comb type pilot arrangement has been investigated by(More)
In practical wireless communication systems, the transmitter send the information out through a multipath fading channel. At the receiver side, the received information distorted by the channel characteristic (due to multipath fading). So, in order to recover the transmitted information accurately, the channel effect must be known at the receiver. In this(More)
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