A Wireless Testbed based on Signal Propagation Emulation and its Application to Wireless Network Optimization

  • Autor:

    Prof. Peter Steenkiste

  • Datum: 13.01.2009
Vortragender Prof. Peter Steenkiste
Carnegie Mellon Universität
Zeit Dienstag, 13. Januar 2009, 15:45 Uhr

Seminarraum 062 (Geb. 20.20)
Zirkel 2, 76131 Karlsruhe


Wireless networking researchers have long faced a fundamental tension between the experimental realism of wireless testbeds on one hand, and the control and repeatability of simulation on the other hand. To overcome the stark tradeoff of these alternatives, we have developed a wireless testbed that enables both realistic and repeatable experimentation by accurately emulating wireless signal propagation. In this talk we will review the challenges associated with running realistic wireless experiment and we will discuss how the wireless network emulator addresses these challenges. We will then elaborate on the design and implementation of the wireless emulator hardware and software. Finally, we will briefly discuss the results of three projects that used the wireless network emulator extensively. The projects are channel aware rate adaptation (Charm), a protocol for opportunistic retransmission (PRO), and a adaptive MAC framework for software radios.

Peter Steenkiste is a professor of Computer Science and Electrical Engineering at Carnegie Mellon University. Over the years, he has worked in the areas of high performance computing and networking, self managing network services, routing, and network measurements. His current interests are in the area of wireless networks and how they fit into future internet architectures.

The lecture will be held within the interACT Distiguished Lecture Series between Universität Karlsruhe (TH), Carnegie Mellon University, USA, Hong Kong University of Science and Technology and Waseda University, Japan.