Bibliothèque de L'IMIST/CNRST

In Memorium

Golden Mean, Fractals and Islamic Geometric Patterns
Aziz KHAMJANE and Rachid BENSLIMANE

Multi-Level Kernel-Based QAM Symbol Error Probability Estimation
Pasteur Poda and Samir Saoudi
Efficient Use of the Spectrum in Small Cell Deployments
for 5G Wireless Communications Networks
Sandra Lagen, Adrian Agustin, and Josep Vidal

The Hassan mosque at the digital era.
Farouk Achakir, Marc Pierrot Deseilligny, Sanaa El Fkihi, Mina El Mghari, Mohamed Ettarid, El Mustapha Mouaddib and
Amina Radgui

The present volume of “Frontiers in Sciences and Engineering” is a special issue
dedicated to the memory of our friend and colleague Driss ABOUTAJJEDINE, born
on February 2, 1966 and who passed away on August 31, 2015.
Upon his sudden death, late Driss ABOUTAJDINE was the Director of the National
Research Council of Morocco, and Professor (Head of ILRIT Laboratory, Faculty of
Science - Rabat, U) and Vice-President at the two Universities of Rabat and resident
member (since May2006) of the Hassan II Academy of Sciences and Technology.
He was very active in research and has made several important contributions related
to computational aspects and applications to signal processing,automatic learning,
image recognition, embedded systems communications, simulation frameworks for
IT amongst others.
The authors of the articles in this volume are colleagues and friends of
Driss ABOUTAJDINE. Through their contributions, they wish to pay tribute to him.
All the papers have been evaluated positively by peer referees.
Papers cover a wide range of research activities within the field of expertise
Driss ABOUTAJDINE
The Editors