The effect of blanking of TDMA interference on radio-astronomical observations: experimental results

The fast growth of the wireless communication industry poses severe limitations on radio-astronomical observations. This is largely due to the fact that in radio astronomy, in contrast to communication systems, the signals of interest are many orders of magnitude below the receiver noise power level...

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Bibliographic Details
Published in2000 IEEE International Conference on Acoustics, Speech, and Signal Processing. Proceedings (Cat. No.00CH37100) Vol. 6; pp. 3546 - 3549 vol.6
Main Authors Boonstra, A.J., Leshem, A., van der Veen, A.J., Kokkeler, A., Schoonderbeek, G.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2000
Subjects
Array signal processing
Blanking
Communication industry
Interference
Noise level
Radio astronomy
Receivers
Signal processing
Time division multiple access
Wireless communication
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Summary:The fast growth of the wireless communication industry poses severe limitations on radio-astronomical observations. This is largely due to the fact that in radio astronomy, in contrast to communication systems, the signals of interest are many orders of magnitude below the receiver noise power levels. The structure of some communication signals opens the possibility to reduce the effect on radio-astronomical observations using advanced array processing techniques. One such structure is time slots, used in TDMA communication systems such as the Iridium system and the GSM system. We present the results of blanking of time-slotted interfering signals measured at the Westerbork Synthesis Radio Telescope.
ISBN:9780780362932
0780362934
ISSN:1520-6149
2379-190X
DOI:10.1109/ICASSP.2000.860167