Mobile Platform for Wireless Grid Measurements
Authors
Lopez Izal, David ; Parrinello, Rocco Emilio ; Scuderi, Emanuele Eugenio
Term
10. term
Publication year
2009
Pages
90
Abstract
Wireless networks are pervasive, but accurate assessment of their performance requires measurements under realistic mobility. Conventional campaigns with stationary devices and pure simulations do not fully reflect reality, especially in cooperative networks with dynamic topology. This thesis presents a mobile platform (robot) designed to optimize measurements in such wireless networks. The work defines hardware, software, and functional requirements; surveys available off-the-shelf solutions; and implements a mobile mechanical base with a controller and communication modules. The software includes a PC-based graphical user interface for remote control, Python applications on Nokia N95 phones for traffic generation and logging, ad hoc networking setup, and the use of Nokia Energy Profiler for power measurements. The platform enables recording of throughput, delay, and battery consumption while moving, and is demonstrated in both passive and active scenarios, including a “Spy Robot” application. Tests cover the GUI and key functional requirements needed by the scenarios. All source code and build instructions are released openly to support the research community. The result is an end-to-end, low-cost, and open tool to study mobile, cooperative wireless networks under realistic, dynamic conditions; quantitative findings are not included in this excerpt.
Trådløse netværk er udbredte, men præcis vurdering af deres ydeevne kræver målinger under realistisk mobilitet. Traditionelle kampagner med stationære enheder og rene simuleringer afspejler ikke fuldt ud virkeligheden, især i kooperative net med dynamisk topologi. Dette speciale præsenterer en mobil platform (robot) udviklet til at optimere målinger i sådanne trådløse net. Arbejdet omfatter kravspecificering af hardware, software og funktionalitet, en gennemgang af tilgængelige løsninger samt design og implementering af en mobil mekanisk base med controller og kommunikationsmoduler. Softwaren omfatter en PC-baseret grafisk brugerflade til fjernstyring, Python-applikationer på Nokia N95-telefoner til trafikgenerering og logning, opsætning af ad hoc-netværk samt brug af Nokia Energy Profiler til energimålinger. Platformen muliggør registrering af throughput, forsinkelse og batteriforbrug under bevægelse og demonstreres i både passive og aktive scenarier, herunder en “Spy Robot”-applikation. Test dækker GUI og centrale funktionskrav for scenarierne. Al kildekode og byggevejledninger stilles åbent til rådighed for forskningsmiljøet. Resultatet er et komplet, omkostningseffektivt og åbent værktøj til studier af mobile, kooperative trådløse net under realistiske, dynamiske forhold; kvantitative resultater fremgår ikke af dette uddrag.
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