191 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Cairo UniversityEG17 papers
- The Ohio State UniversityUS16 papers
- Alexandria UniversityEG13 papers
- American University in CairoEG10 papers
- Qatar UniversityQA9 papers
- Egypt-Japan University of Science and TechnologyEG7 papers
- Ain Shams UniversityEG6 papers
- Goethe University FrankfurtDE5 papers
- Joint Institute for Nuclear ResearchRU5 papers
- Helwan UniversityEG4 papers
- Military Technical CollegeEG4 papers
- Princeton UniversityUS4 papers
Showing 2010 · math.OCShow all
2 papers · 2 filters
math.OC2010
Adaptive Sensing and Transmission Durations for Cognitive Radios
Wessam Afifi, Ahmed Sultan, Mohammed Nafie
In a cognitive radio setting, secondary users opportunistically access the spectrum allocated to primary users. Finding the optimal sensing and transmission durations for the secon…
math.OC2010
A New Adaptive Channel Estimation for Frequency Selective Time Varying Fading OFDM Channels
Wessam M. Afifi, Hassan M. Elkamchouchi
In this paper a new algorithm for adaptive dynamic channel estimation for frequency selective time varying fading OFDM channels is proposed. The new algorithm adopts a new strategy…