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AERONAUTICAL TELEMETRY

AERONAUTICAL TELEMETRY. Darrell Ernst Gerhard Mayer February 2005. Introduction. WRC Agenda Item 1.5 The Aeronautical Telemetering Community The International Consortium for Telemetry Spectrum The ICTS Position A Video about Flight Testing and Agenda Item 1.5. WRC-07 Agenda Item 1.5.

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AERONAUTICAL TELEMETRY

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  1. AERONAUTICAL TELEMETRY Darrell Ernst Gerhard Mayer February 2005

  2. Introduction • WRC Agenda Item 1.5 • The Aeronautical Telemetering Community • The International Consortium for Telemetry Spectrum • The ICTS Position • A Video about Flight Testing and Agenda Item 1.5

  3. WRC-07 Agenda Item 1.5 • consider the spectrum required to satisfy justified wideband aeronautical mobile telemetry requirements and associated telecommand above 3 GHz; • review, with a view to upgrading to primary, secondary allocations to the mobile service in the frequency range 3-16 GHz for the implementation of wideband aeronautical telemetry and associated telecommand; • consider possible additional allocations to the mobile service, including aeronautical mobile, on a primary basis in the frequency range 3-16 GHz for the implementation of wideband aeronautical telemetry and associated telecommand, taking into account considering d) above; • designate existing mobile allocations between 16 and 30 GHz for wideband aeronautical telemetry and associated telecommand,

  4. Future Data Rates Data rate for one vehicle “Prediction is hard, especially about the future”

  5. Implications for the Spectrum Bandwidth needed for one vehicle Current B/W Allocation = 215 Multiply data rate by efficiency factor for each modulation type: PCM/FM=2.4 Hz/bit Tier 1= 1.2 Hz/bit Tier 2= 0.8 Hz/bit

  6. Sounding rocket launch sites Region 1 Kiruna, Sweden Formosa Bay, Kenya Coronie, Surinam Biscarosse, France Salto di Quirra, Sardinia Aberporth, Wales Zingst, Germany Emba, Kazakhstan Region 3 Anna Plains, Australia Chandapore, India Sonmiani, Pakistan Chiu Peng, Taiwan Shuang Chenghzi, China Changwon, S.Korea Malute, Pakistan Wake, Marshall Islands Region 2 Tortuguero, Puerto Rico Punta Lobos, Peru Ft.Yukon, Alaska Nanoose Bay, Canada Mar Chiquita, Argentina Wallops, USA Stromfjord, Greenland Poker Flat, Alaska

  7. Science Missions Requiring Wideband TM • Existing LEO-satellite data collection platforms only for narrow band data transmission (e.g. Argos, Orbcomm) available • Onboard storage capacity limited by space and weight, data compression & reduction of science data onboard critical • Data required on ground mostly in near-realtime Therefore: • High-resolution science instruments, like imaging sensors, spectrometers, carried as Balloon, Sounding Rocket or UAV- payload need wideband telemetry links to fulfill their future missions

  8. Telemetry Inevitable in Global Missions Platforms on balloon, sounding rocket and UAV required for In-situ-measurements & calibration of satellite and groundborne instruments Examples of important disciplines : • Geophysics Atmosphere, Land , Sea, Ice Research • Biology Animal behaviour & wildlife research • Remote Medical Supervision patient monitoring e.g. at expeditions („bush telemetry“)

  9. Science and Telemetry Goes Global… • Local changes of environmental parameters have a world-wide impact • Wide-area telemetry networks needed to collect data from e.g. remote field stations, balloons, buoys, sounding rockets, UAV • Specific ranges for launching, science observations and data collection worldwide available

  10. ICTS MISSION: To Ensure the Future Availability of Electromagnetic Spectrum for Telemetering

  11. International Foundation for Telemetering Board of Directors ICTS Vice Chair G. Mayer ICTS Secretary/Treasurer ICTS Chair S. Lyons Region III (Asia) Coordinator V. Crouch Region I (Europe/Africa) Coordinator J. M. Berges Region II Members Region III Members Region I Members www.telemetry.org D. Holtmeyer Region II (Americas) Coordinator M. Ryan vrcrouch@bold.net.au

  12. Time for the Cinema! Aeronautical Telemetry

  13. What is Telemetry? • Telemetry : The process ofmeasuring at a distance. • Aeronautical telemetry: Theprocess of makingmeasurements on an aeronautical vehicleand sending those measurements to adistant locationfor analysis Vibrations Velocities Flows Temperatures Pressures If it is ORANGE it is flight test measurement

  14. End Slide THANK YOU! Questions?

  15. Current Band Allocations X=Permitted G=Government Only NG=Non-Government Only

  16. Current Band Allocations (Concluded) X=Permitted G=Government Only NG=Non-Government Only

  17. 2360-2390 MHz: Manned 2200-2290 MHz: Unmanned 2200 2390 2350 2300 2250 One A/C can easily use over 20MHz of spectrum for a single mission 1435 1500 1485 1460 1525 Spectrum Encroachment WARC 92 US Alternative BBA 97 2200-2390 MHz: Manned and Unmanned Vehicle (S Band) Telemetry OBRA 93 BBA 97 WARC 92 Terrestrial DAB (Canada), CARIBSS, MediaStar 1435-1525 MHz: Manned Vehicle (L Band) Telemetry

  18. TELEMETERING APPLICATIONS • The use of telemetry spectrum is common to many different nations and many purposes • National defense • Commercialaerospace industry • Space applications • Scientific research • The primary telemetering applications represented by ICTS are • Range and range support systems • Land mobile • Sea ranges • Air ranges • Space-based telemetry systems • Meteorological telemetry

  19. ICTS SOCIETAL MEMBERSHIP • Aero-Sensing • Aerospace and Flight Test Radio Coordination Council • Aerospatiale Airbus • Airbus • Australian Department of Defence • Boeing Company • British Aerospace • Dassault Aviation • Eurocopter • European Telemetering Standardization Committee • French Department of Defense • German Society of Telemetering • IN SNEC • MITRE Corporation • National Aeronautics and Space Administration (NASA) • New Mexico State University • Sandia National Laboratories • SEE • Spanish Department of Defense • United Kingdom Department of Defence • United States Department of Defense

  20. Techniques for Mitigating Spectrum Growth

  21. RESOLUTION [COM7/5] (WRC-03) Consideration of mobile allocations for use by wideband aeronautical telemetry and associated telecommand The World Radiocommunication Conference (Geneva, 2003) Considering a) that there is a need to provide global spectrum to the mobile service for wideband aeronautical telemetry systems; b) that there is an identified need for additional spectrum required to meet future wideband aeronautical telemetry demands; c) that there is also a need to accommodate telecommand operations associated with aeronautical telemetry; that there is a need to protect existing services, Noting a) that a number of bands between 3 GHz and 30 GHz are already allocated to the mobile service, without excluding the aeronautical mobile service, on a secondary basis; that any spectrum allocated to the mobile service above 3 GHz (to include aeronautical telemetry) is not a substitution for existing allocations used for aeronautical telemetry purposes below 3 GHz, the requirement for which will continue, Recognizing a) that there are emerging telemetry systems with large data transfer requirements to support testing of commercial aircraft and other airframes; b) that the future technologies and performance expectations for airborne platforms contemplate a need for real-time monitoring of large data systems with multiple video streams (including high-definition video), high-definition sensors, and integrated high-speed avionics; c) that the 2000 Radiocommunication Assembly approved Question ITU-R 231/8, titled: "Operation of wideband aeronautical telemetry in bands above 3 GHz", with the target date of 2005; d) that those studies will provide a basis for considering regulatory changes, including additional allocations and recommendations, designed to accommodate justified spectrum requirements of aeronautical mobile telemetry consistent with the protection of incumbent services, Resolves that [WRC-07/a future competent conference] be invited to: 1 consider the spectrum required to satisfy justified wideband aeronautical mobile telemetry requirements and associated telecommand above 3 GHz; 2 review, with a view to upgrading to primary, secondary allocations to the mobile service in the frequency range 3-16 GHz for the implementation of wideband aeronautical telemetry and associated telecommand; 3 consider possible additional allocations to the mobile service, including aeronautical mobile, on a primary basis in the frequency range 3-16 GHz for the implementation of wideband aeronautical telemetry and associated telecommand, taking into account considering d) above; designate existing mobile allocations between 16 and 30 GHz for wideband aeronautical telemetry and associated telecommand, invites ITU-R to conduct, as a matter of urgency, studies to facilitate sharing between aeronautical mobile telemetry and the associated telecommand, on the one hand, and existing services, on the other hand, taking into account the resolves above. ADD COM7/353/7 (B13/361/7) Res 230 AI 1.5

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