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The 8th International Workshop on Wireless Network Measurements
May 18th, 2012, Paderborn, Germany

In conjunction with WiOpt 2012

Keynote Speakers:

 
Listening while talking: measuring interference in unlicensed and white-space bands using half-duplex radios
 

Prof. Douglas Leith, Hamilton Institute

Short Bio:
Douglas Leith is Director of the Hamilton Institute at the National University of Ireland Maynooth. His research interests include wireless network monitoring and measurement, distributed resource allocation in wireless networks and network congestion control.
 

Rapid Prototyping of Next Generation Networks
 











Dr. Nico Bayer, Telekom Innovation Labs

Short Bio:
Dr. Nico Bayer was born in Germany in 1979. He received his diploma degree in Electrical Engineering and Information Technology from the University of Applied Sciences Friedberg, Germany, in 2003 and his Ph.D. in Electrical Engineering from the City University London, UK, in 2009. - From 2003 till 2008 he worked for T-Systems Enterprise Services GmbH. Since 2008 he is working for Telekom Innovation Laboratories in the department of "Seamless Network Control" in Darmstadt, Germany. He is involved in different national and international R&D projects in the fields of mobile communications, mesh networks and Fixed/Mobile Convergence and the project manager of the BMWi project ComGreen.
 

Technical Program:

Friday, May 18
09:00-9:30 Opening and Award Ceremony (Workshop chairs)
09:30-10:15 Keynote #1: Listening while talking: measuring interference in unlicensed and white-space bands using half-duplex radios
Prof. D. Leith, Hamilton Institue
    "The radio environment in unlicensed and white-space bands is complex and challenging. Packet losses occur not just due to channel noise, but also due to pulsed interference from other radio transmitters e.g. due to hidden terminals, non-network devices, collisions in random access MACs. These effects vary spatially and in time. Better knowledge of this environment potentially allows wireless networks to make smarter decisions and improve capacity by e.g. channel selection, choice of coding and modulation, power control, MAC adaptation. However, almost all radios are half-duplex and so putting the radio into receive mode in order to listen to the environment comes at the cost of a drop in throughput capacity (since the radio cannot transmit while in receive mode). This talk discusses whether we can find alternative sensing approaches that avoid this cost while still being compatible with standard half-duplex hardware. Surprisingly, it turns out that a wealth of information on the radio environment can be deduced by a number of simple techniques that do not carry a throughput cost"
10:15-10:45 Coffee break
10:45-11:35 Session #1: Experimental measurements and results
 
  • A Comparison Between One-Way Delays in Operating HSPA and LTE Networks (Markus Laner; Philipp Svoboda; Peter Romirer-Maierhofer; Navid Nikaein; Fabio Ricciato). The presentation is available here.
 
  • Experimental Investigation of Coexistence Interference in Multi-Radio 802.11 Networks (Arsham Farshad; Mahesh K Marina; Francisco Javier Garcia). The presentation is available here.
11:35-12:25  Session #2: Experimentally-driven design and research
 
  • Efficient Cooperative Relaying in Wireless Multi-Hop Networks with Commodity WiFi Hardware (Tobias Volkhausen; Kornelius Dridger, Jr.; Hermann S Lichte; Holger Karl). The presentation is  available here.
 
  • Should We Use the Default Protocol Settings for Networks of Constrained Devices? (August Betzler; Carles Gomez; Ilker Demirkol; Josep Paradells). The presentation is available here.
12:25-13:30 lunch break
13:30-14:15 Keynote #2: Rapid Prototyping of Next Generation Networks
N. Bayer, Teleko Innovation Labs
       "Prototypes are essential for network operators in order to have a working proof-of-concept, which allows investigating the performance of new technologies and mechanisms without disturbing operating networks. In this talk, I will discuss the importance of prototypes from a network operator’s point of view. I first present a generic overview of prototypes, testbeds and demonstrators followed by a more specific view on prototypes of Next Generation Networks. The importance of integrated testbeds as well as the synergy effects that can be achieved by such testbeds will be discussed. Finally, I will conclude with some concrete examples of testbeds and demonstrators that we have and daily use at Telekom Innovation Laboratories". The presentation is available here.
14:15-15:30 Session #3: Experimental methodologies and tools
 
  • Energino: An Hardware and Software Solution for Energy Consumption Monitoring (Karina Mabell Gomez; Roberto Riggio; Tinku Rasheed; Daniele Miorandi; Fabrizio Granelli). The presentation is available here.
 
  • On the Feasibility of Measuring the Internet Through Smartphone-based Crowdsourcing (Adriano Faggiani; Enrico Gregori; Luciano Lenzini; Simone Mainardi; Alessio Vecchio). The presentation is available here.
 
  • A Benchmark for Channel Assignment Algorithms in Wireless Testbeds (Felix Juraschek; Simon Seif; Mesut Günes; Bastian Blywis). The presentation is available here.
15.30-15.40 Closing

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