A Wireless Testbed based on Signal Propagation Emulation and its Application to Wireless Network Optimization
Prof. Peter Steenkiste
- date: 13.01.2009
|Vortragender||Prof. Peter Steenkiste|
Carnegie Mellon Universität
|Zeit||Dienstag, 13. Januar 2009, 15:45 Uhr|
Seminarraum 062 (Geb. 20.20)
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.
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.