F14: Radio Frequency Interference (RFI)

Thursday, August 21  13:40-15:40,  Room #4

Session Chairs: Y. Kerr, Paolo de Matthaeis

Remote sensing microwave radiometers rely on the use of protected frequency bands to operate. However, the spectrum has become more and more crowded; this leads to unwanted emissions in the protected bands. In particular, L-band is important for remote sensing of soil moisture and ocean salinity, two variables important for understanding the global water cycle and ocean dynamics. This session will focus on the RFI issue with a particular stress on L band (1400 -1427 MHz) as 3 missions are either flying (SMOS and Aquarius) or due for launch soon (SMAP). Suggested Topics: 1) Results from SMOS and Aquarius: detection and characterization of RFI, various approaches and their accuracy/efficiency. 2) Temporal evolution of the RFI sources: comparison between different satellite detection principles with respect to their characteristics. 3) Status of SMAP: RFI mitigation approach, RFI for Active instruments.

13:40  F14.1   SPECTRUM MANAGEMENT ACTIVITIES OF THE U.S. NATIONAL ACADEMY OF SCIENCES’ COMMITTEE ON RADIO FREQUENCIES

D. B. Lang1, D. R. DeBoer2, K. I. Kellermann3

1Committee on Radio Frequencies, U.S. National Academy of Sciences, Washington, DC, United States
2Radio Astronomy Laboratory, University of California at Berkeley, Berkeley, CA, United States
3National Radio Astronomy Observatory, Charlottesville, VA, United States


14:00  F14.2   RFI DETECTION AND MITIGATION FOR AQUARIUS: STATUS AND ONGOING IMPROVEMENTS

P. de Matthaeis1, D. M. Le Vine2

1GESTAR / Goddard Space Flight Center, Greenbelt, MD, United States
2NASA / Goddard Space Flight Center, Greenbelt, MD, United States


14:20  F14.3   STATUS OF RFI IN THE 1400-1427 MHZ PASSIVE BAND: THE SMOS PERSPECTIVE.

R. Oliva1, E. Daganzo-Eusebio2, Y. Soldo3, Y. Kerr3, F. Cabot3, P. Richaume3, E. Anterrieu4, A. Gutierrez5, J. Barbosa5, G. Lopes5

1Aurora Technology B.V., Villanueva de la Canada, Spain
2European Space Agency, ESA-ESTEC, Noordwijk, Netherlands
3Centre d´Etudes Spatiales de la Biosphere,, Toulouse, France
4Research Institute in Astrophysics and Planetology, IRAP, Toulouse, France
5Deimos Engenheria, s.l., Lisboa, Portugal


14:40  F14.4   AN OVERVIEW OF SCIENTIFIC SERVICES AND THEIR ACCESS TO THE FREQUENCY SPECTRUM IN WRC 2015

J. J. Isnard1, T. Caillet2

1Commission F, URSI-France, Paris, France
2DPSAI Dept, ANFR, Brest, France


15:00  F14.5   FREQUENCY HOPPING INVERSE SYNTHETIC APERTURE RADAR IMAGING WITH RELATIVE COHERENT PROCESSING AND COMPRESSED SENSING

C. Yin1, D. Yin2

1Equipment Academy, Beijing, China
2Luoyang Electronic Equipment Experiment Center of China, Luoyang, China


15:20  F14.6   NARROW-BAND INTERFERENCE SUPPRESSION TECHNIQUES FOR SYNTHETIC APERTURE RADAR

F. Zhou, M. Tao

National Lab of Radar Signal Processing, Xidian University, Xi'an, Shaanxi, China