GM UWB tutorial on UWB from VA Tech New

VIRGINIA POLYTECHNIC INSTITUTE & STATE UNIVERSITYMPRGMOBILE & PORTABLE RADIO RESEARCH GROUPIntroduction to UWB:Impulse Radio for Radar and Wireless CommunicationsDr. Jeffrey ReedDr. R. Michael BuehrerDong S. HaE-mail: {reedjh, buehrer, ha}@vt.eduWeb: www.mprg.orgirginiaVTechVIRGINIA POLYTECHNIC INSTITUTE 1 8 7 2AND STATE UNIVERSITYVIRGINIA POLYTECHNIC INSTITUTE & STATE UNIVERSITYOverviewMPRGMOBILE & PORTABLE RADIO RESEARCH GROUP• What is Ultra Wideband (UWB)?• Applications of UWB• What’s Commercially Available?• How do you build a UWB radio?• Channel models for UWB• UWB radar and sensors• New FCC regulations regarding UWB• UWB research at Virginia Tech• Research opportunities for UWB applied to automobilesirginiaVTechVIRGINIA POLYTECHNIC INSTITUTE 1 8 7 2AND STATE UNIVERSITYVIRGINIA POLYTECHNIC INSTITUTE & STATE UNIVERSITYImpulse RadioMPRGMOBILE & PORTABLE RADIO RESEARCH GROUP• Impulse Radio (IR): the use of extremely short duration pulses (sub-nanosecond) instead of continuous waves to transmit information.• The pulse directly generates a very wide instantaneous bandwidth signal according to the time-scaling properties of the Fourier transform relationship between time and frequency. (Occupied BW >> Information Bandwidth)• Very low duty cycle (on the order 1/100, 1/1000 or less)irginiaVTechVIRGINIA POLYTECHNIC INSTITUTE 1 8 7 2AND STATE UNIVERSITYVIRGINIA POLYTECHNIC INSTITUTE & STATE UNIVERSITYUWB ...