Representatives of CROWD contributed to raise awareness on the project concept and topics at the WoWMoM 2013 international conference, sponsored by the IEEE Computer Society, held in Madrid, Spain, on June 4-7, 2013. This was done through the following actions. Firstly, a demonstration on Mobility Management in Next Generation Mobile Networks was held to show the high potential of a distributed approach, with control vs. data path split, which is being currently investigated in CROWD as an efficient means to reduce the signaling overhead associated to frequent handovers in very dense wireless networks, consisting of mixed WiFi access points and LTE base stations. The demonstration was a joint effort with iJOIN, an ongoing project funded by the European Commission under the Seventh Framework Programme (FP7). The topic of very dense and heterogeneous networks (DenseNets) was then the subject of the conference panel, moderated by Prof. Omer Gurewitz (Ben Gurion University, Israel), hosting Dr. Claudio Cicconetti (Intecs S.p.A. Italy, project manager of CROWD), Dr. Albert Banchs (IMDEA Networks, Madrid, Spain, project manager of iJOIN), Prof. Edward Knightly (University of Texas at Houston, USA), and Prof. Gustavo de Veciana (University of Texas at Austin, USA). A few highlights from the panel: 1. Capacity demands are increasingly steadily over the next years. Such a growth cannot be coped with good engineering practices, but rather requires a shift of paradigm. 2. While recent studies prove, both theoretically and empirically, that capacity can be increased (almost) arbitrarily by scaling down the power/coverage of base stations, this eventually leads to the capacity being limited by the control overhead of current protocols and the backhauling links (i.e. the networks connecting the base stations to the core network and the Internet). 3. The challenges ahead for DenseNets require a tight cooperation of the scientific community, manufacturers, telecom operators, also including new and significant efforts within standardisation organisations like 3GPP.
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