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Proposal to update Recommendation 8А. 2.1 based on the results of the Joint Task Group 4-5-6-7 ITU-R meetings Dr. Aronov D. Dr. Zheltonogov I. Prague,

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Presentation on theme: "Proposal to update Recommendation 8А. 2.1 based on the results of the Joint Task Group 4-5-6-7 ITU-R meetings Dr. Aronov D. Dr. Zheltonogov I. Prague,"— Presentation transcript:

1 Proposal to update Recommendation 8А. 2.1 based on the results of the Joint Task Group ITU-R meetings Dr. Aronov D. Dr. Zheltonogov I. Prague, November 2014

2 Basic GNSS frequency bands 2

3 Candidate IMT frequency bands in accordance to 1.1 and 1.2 agenda item WRC-15 3

4 Potential impact from IMT frequency bands to GNSS frequency bands 4

5 IMT unwanted emissions limits 5

6 Interference evaluation from IMT (mobile station) on GNSS 6 L1L2L3 Spurious emissions level (dB(W/MHz))-60 Maximum receiver antenna gain (dBi) Acquisition mode threshold power density level of aggregate wideband interference at the passive antenna output (dB(W/MHz)) Power density level at the antenna output (dB(W/MHz)) Required additional attenuation (dB)

7 Interference evaluation from IMT (base station) on GNSS 7 L1L2L3 Spurious emissions level (dB(W/MHz)) -45 Maximum receiver antenna gain (dBi) Acquisition mode threshold power density level of aggregate wideband interference at the passive antenna output (dB(W/MHz)) Power density level at the antenna output (dB(W/MHz)) Required additional attenuation (dB)

8 Similar ITU-R studies 8

9 Comparison of limitations for IMT with similar ITU-R studies 9

10 Conclusions and proposals 10

11 11 Thank you for your attention! “Geyser-Telecom” 13, Volnaya, Moscow, Russia, Fax:+7(495)


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