Dr. Brent Ledvina Assistant Professor Office: 643 Whittemore Mailing Address: 302 Whittemore (0111) Virginia Tech Blacksburg, VA 24061 Tel: (540) 231-0656 Fax: (540) 231-2968 vt.edu Email: ledvina Website: http://www.ece.vt.edu/faculty/ledvina.html

Biography:

Dr. Brent M. Ledvina is an Assistant Professor in the Bradley Department of Electrical and Computer Engineering at Virginia Tech. He earned a Ph.D. in Electrical and Computer Engineering from Cornell University with an emphasis in Space Plasma Physics.

His research interests are in the areas of GNSS/GPS/Galileo software receivers, remote sensing, and ionospheric physics. He has been a session co-chair at Institute of Navigation conferences. Dr. Ledvina has three software radio and weak signal tracking patents. He is also currently a consultant for Boeing Phantom Works.

Research Areas:

• GNSS/GPS/Galileo software receivers
• Weak signal acquisition and tracking
• Radio propagation
• Ground-based remote sensing
• Ionospheric scintillations and irregularities
  

Selected Publications:

• B.M. Ledvina, M.L. Psiaki, T.E. Humphreys, S.P. Powell, P.M. Kintner, Jr., “A Real-
  Time Software Receiver for the GPS and Galileo L1 Signals,” Proc. of the Institute of
  Navigation GNSS, September 26–29, 2006, Fort Worth, TX.
• B.M. Ledvina, M.L. Psiaki, P.M. Kintner, and Eurico R. de Paula, “Ionospheric
  Scattering Altitude Estimation Using Closely-Spaced GPS Receivers,” Radio Sci.,
  In Review.
• P.M. Kintner, B.M. Ledvina, and E.R. de Paula, “GPS and Ionospheric Scintillations,”
  Radio Sci., In Review.
• B.M. Ledvina, M.L. Psiaki, S.P. Powell, and P.M. Kintner, “Bit-Wise Parallel Algorithms
  for Efficient Software Correlation Applied to a GPS Software Receiver,” IEEE
  Transactions on Wireless Communications, 3(5), September 2004.
• B.M. Ledvina, J.J. Makela, and P.M. Kintner, “First Observations of Intense GPS L1
  Amplitude Scintillations at Midlatitude,” Geophys. Res. Lett., 29,
  doi:10.1029/2002GL014770, July 2002.