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InFormAtioN theorY: New challenges and new interdisciplinary tools.

Visit of Dr. Kherani and Mr. Banerjee

During 11-31 May, Dr. Arzad A. Kherani and Mr. Taposh Banerjee visited Eurecom. Dr. Kherani is an Assistant Professor, Dept. of Computer Science and Engineering, IIT Delhi, India. He had spent two years at INRIA Sophia Antipolis with Dr. E. Altman as a postdoc during 2003-2005. Mr. Banerjee is a PhD student under the joint supervision of Dr. Kherani, Dr. El-Azouzi (LIA Avignon) and Dr. E. Altman. This visit started a collaboration between the visitors and Dr. Merouane Debbah (Eurecom) and Dr. A. Roumy (projet Temics, IRISA/INRIA, Rennes). Below is the report written by Dr. Kherani.

Report on the visit

During this visit we worked with Prof. Merouane Debbah whose group is a specialist in Information Theory and Channel Modelling issues in wireless networks.

The visit was aimed at identifying interesting problems of cross layer flavour in wireless networks, cellular as well as adhoc, so that the specializations of both the groups can be put at use.

We started with problem of finding optimal wireless node density so that, if the nodes have correlated data, one can utilize the network as effectively as possible without using very advanced distributed source coding (which comes with significant performance/computation overheads).

We were then joined by Dr. Aline Roumy from the TEMICS group of IRISA-INRIA, Rennes, who is an expert in source coding and Information theory. Her inputs gave the problem that we were considering a very interesting turn.

Based on our discussions with Prof. Debbah and Dr. Roumy, we now are at verge of completing a good piece of research work, which we plan to submit to a reputed international forum.