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Nairobi, Kenya, 26 – 27July 2010 Role of ITU-T & ITU-R Ahmed ZEDDAM Ahmed ZEDDAM, ITU-T SG5 Chair France Telecom Orange ITU-T Workshop on Delivering Good Quality Telecommunication Service in a Safe Environment in Africa (Nairobi, Kenya, 26 July – 27 July 2010 )
Nairobi, Kenya, 26 – 27 July 2010 2 To introduce the ITU and the objectives of the ITU-R and ITU-T International Spectrum Management Radiocommunication Standardization Recommendations ( Standards ) Environmental issues in ITU-R Studies relating to RF emissions EM radiation and Health Outline
Nairobi, Kenya, 26 – 27 July 2010 3 UN bodies e.g. WHO, WMO Regional/National SDOs e.g. ETSI, IEC Regional Frequency Management e.g. CEPT Industry fora e.g. WiMAX International Telecommunication Union 191 Member States 572 Sector Members 149 Associates
Nairobi, Kenya, 26 – 27 July 2010 4 ITU: Committed to connecting the world ITU-T Telecommunication standardization Telecommunication standardization - Network functionality, NGN, tariffs, Environment & Climate change ITU-R International Spectrum Management and Radiocommunication Standardization ITU-R International Spectrum Management and Radiocommunication Standardization ITU-D Assisting implementation and operation of telecommunications in developing countries
Nairobi, Kenya, 26 – 27 July 2010 5 ITU-R mission To ensure rational, equitable, efficient and economical use of the radio-frequency spectrum by all radiocommunication services, including those using satellite orbits, and to carry out studies and adopt recommendations (standards) on radiocommunication matters. to facilitate equitable access to and rational use of the natural resources of the radio-frequency spectrum and the geostationary-satellite orbit; to ensure the availability and protection from harmful interference of the frequencies provided for distress and safety purposes; to assist in the prevention and resolution of cases of harmful interference between the radio services of different administrations; to facilitate the efficient and effective operation of all radiocommunication services; to provide for and, where necessary, regulate new applications of radiocommunication technology. International regulatory framework :
Nairobi, Kenya, 26 – 27 July 2010 6 ITU-R Study Groups SG 1: Spectrum management SG 3: Radiowave propagation SG 4: Satellite services SG 5: Terrestrial services SG 6: Broadcasting service SG 7: Science services
Nairobi, Kenya, 26 – 27 July 2010 7 Emergency Communications radiocommunication services and systems for prediction, detection, alerting, damage assessment and relief meteorological satellite services fixed (terrestrial and satellite), mobile (terrestrial and satellite), amateur and broadcasting services Climate and Environmental Monitoring remote sensing from satellites meteorological instrumentation, e.g. radiosondes relaying of climate and weather information Spectrum Management economic use of radio spectrum (reduced interference and spectral pollution) allocation and protection of frequencies for vital services reduced number and power of TXs, e.g. analogue to digital broadcasting electromagnetic fields calculation, measurement and monitoring of electromagnetic fields Environmental issues in ITU-R
Nairobi, Kenya, 26 – 27 July 2010 8 ITU-R studies on E.M. Radiation (1) E.M. Emissions ITU-R Study Group 1 Unwanted emissions spurious and out-of-band domains emission limits (e.g. for ISM equipment) Protection of sensitive services (e.g. passive sensors, RA) Signal properties, e.g. spectra and bandwidth of emissions, emission types Such information provides fundamental background to the nature of EM radiation
Nairobi, Kenya, 26 – 27 July 2010 9 ITU-R studies on E.M. Radiation (2) Measurement, Monitoring and Calculation ITU-R Study Groups 1 and 6 Measurement of field strength and bandwidth (applicable to all radiocommunication services) ITU-R Handbooks on Spectrum Monitoring and National Spectrum Management Recommendation ITU-R SM.378-7 and SM.1708 on field strength measurement Fields from broadcasting stations BS.1698 Recommendation ITU-R BS.1698 Evaluation of E.M fields for assessing exposure
Nairobi, Kenya, 26 – 27 July 2010 10 Role of ITU concerning Health Effects from EM radiation Limited but ITU Recommendations on wireless technologies radio frequency emissions, (measurement, calculation, propagation) can be used for evaluating radiation levels and for helping to identify a hazardous situation.
Nairobi, Kenya, 26 – 27 July 2010 11 Evaluating fields from terrestrial broadcasting systems operating in any frequency band for assessing exposure to non-ionizing radiation provides basis for deriving and estimating the e.m. radiation from a broadcasting station at a particular distance from a transmitter site by comparison with reference levels (e.g. ICNIRP), responsible organizations can then take measures to protect humans from undesirable exposure to harmful radiation Recommendation ITU-R BS.1698
Nairobi, Kenya, 26 – 27 July 2010 12 Recommendation ITU-R BS.1698 Calculation methods (analytical and numerical) estimate field to see whether measurements are required Measurement methods function of distance function of frequency instrumentation Precautions Examples of calculated fields and comparison with measurements
Nairobi, Kenya, 26 – 27 July 2010 13 ITU-T Recommendations related to human exposure to E.M. fields Next presentation
Nairobi, Kenya, 26 – 27 July 2010 14 Conclusion Objectives of ITU-R international spectrum management radiocommunication standardization Environmental issues Studies on e.m. emissions, including calculation and measurement methods Activities relating to e.m. exposure assessment for which Recommendations can be used to identify potentially hazardous situations and to comply with exposure limits
Nairobi, Kenya, 26 – 27 July 2010 15 Thank you
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