|Speaker :||Philippe Martins|
|Time:||2:00 pm - 3:00 pm|
|Location:||Paris-Rennes Room (EIT Digital)|
This presentation will cover different models for the dimensioning of OFDMA air interfaces. In a first part, models that rely on classical stochastic geometry results and on concentration inequalities, will be introduced. The adopted approach is to obtain an upper bound of the outage probability in terms of Resource Blocks (RB) and to derive the number of RB required to provide a QoS target.
The second part of the talk will deal with modeling of city maps via random tessellations (Crack STIT/PLT). This modeling provides a way to generate city maps as an outcome of a random tesselation.
By using a ray launcher simulator on these maps, it becomes possible to obtain coverage maps and SINR by simulation. The impact of the geometry of the city on the OFDMA dimensioning can then be investigated.
Philippe Martins is professor in the networking and computer science department, at Telecom ParisTech since 2010. Before he held a position of associate professor in the same department since 2000. He obtained his PhD from Telecom ParisTech in 2000 (with honors) for his work on the design and performance evaluation of signaling protocols for B-ISDN networks. In 2000, he started working on cellular networks. Since then, his main research interests lie in performance evaluation, planning, algorithms and protocols design. He has published several papers on different international journals and conferences. He is an IEEE senior member since 2010 and is co-author of several books and chapter books on cellular systems. He worked in several national research projects (ANR, RNRT, URC competitivity cluster on cognitive radio, FUI projects) and European research programs (ITEA). He investigated on 3G and 4G systems (scheduling, radio resources management, handover algorithms, planning and dimensionning) in collaboration with several companies (Alcatel, Nokia, Orange, SFR, Bouygues Telecom,TDF). He was also involved in standardization activites as a scientific consultant for companies such as EADS, ESA and Airbus defence.
In 2008/2008 (one year), 2010 (July-Aug) and 2011 (July-Aug), he was invited professor at NCRL (National mobile Communication Research Laboratory), in Nanjing. In December 2013 he became guest professor at SEU (South East University), Nanjing, China. Since then, he is regularly involved in common research cooperations with NCRL on IoT and 5G.