Browsing by Subject "Harsh environment"

Now showing items 1-4 of 4

    • Characterization of the indoor-outdoor radio propagation channel at 2.4 GHz 

      Ahmed I.; Orfali S.; Khattab T.; Mohamed A. ( IEEE , 2011 , Conference Paper)
      We present the site-specific signal strength measurement results for path loss, shadowing, and fading in 2.4GHz band under typical harsh environment (high temperature 4050 C and humidity 8090%). We use spectrum analyzer ...

    • Effects of environmental and climatic conditions on PV efficiency in qatar 

      Touati, F.; Massoud, Ahmed; Hamad, J. A.; Saeed, S. A. ( European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ) , 2013 , Article)
      The sensitivity of various solar photovoltaic technologies towards dust, temperature and relative humidity is investigated for Qatar’s environment. Results obtained show that dust accumulation has the great effect on ...

    • QUMESH: Wireless mesh network deployment and configuration in harsh environment 

      Romdhani L.; Mohamed A.; Elfouly T.M.; Raeisi S. ( IEEE , 2012 , Conference Paper)
      The link delivery probability in a wireless mesh network is most accurately determined only by experiment, as it depends on many factors, including environment characteristics, transmission power, distance between transmitter ...

    • Voltage sensorless current control of low power inverter-based distributed generation systems 

      El-Deeb, H.; Massoud, Ahmed; Elserougi, A.; Abdel-Khalik, A. S.; Ahmed, S. ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)
      The control of power electronic converters is subjected to several challenges as measurement sensors drift, malfunction in harsh environments, non-ideal grid, and performance degradation due to the delay of discrete control ...