Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.



Published on

Published in: Technology
  • Be the first to comment

  • Be the first to like this


  1. 1. Tariq H AlamriITU-T Study Group 5 Vice-ChairmanCommunications and Information TechnologyCommission (CITC), Saudi Arabia8th ITU Symposium on ICTs, the Environment andClimate ChangeTurin, Italy, 9 May 2013
  2. 2. Agenda ITU Overview ITU-T/SG5 Mandate and Objectives Strategy Structure Resolution 72 of ITU-T SG5 Q7/5 : Human exposure to electromagnetic fields(EMFs) due to radio systems and mobile equipment Key EMF Recommendations Future EMF Publications and Recommendations Conclusion2
  3. 3. 3ITU Overview
  4. 4. ITU : enabling communication since 18651865 20154
  5. 5. UN bodiese.g. WHO, WMORegional/NationalSDO’se.g. ETSI, IECRegional FrequencyManagemente.g. CEPTIndustry forae.g. WiMAX193 Member States(Governments and regulatory bodies)700 Private Sector(Sector Members and Associates)49 AcademiaUnique public/ Private partnershipUN agency for ICTs5
  6. 6. ITU-Rmanages radio spectrumand satellite orbitsITU-Dassists developingcountriesITU’s missioncommitted to connecting the world6ITU-Tdevelops ICTand telecom-municationstandardsSGs: Network functionality,NGN, tariffs, Environment &Climate changeGeneralSecretariatcoordinateswork of ITU
  7. 7. Mandate of Study Group 5 on EMFGeneral Areas of StudyStudy Group 5 is responsible for : Studying ICT environmental aspects ofelectromagnetic phenomena and climate change. Studies related to safety and to health effectsconnected with electromagnetic fields produced bytelecommunication installations and devices,including cellular phones.Lead Study Groups in Specific Areas of Study Lead study group on electromagnetic effects.7Resolution 2 (WTSA-12, Dubai, 20-29 November 2012)
  8. 8. Objective8Study environmental issues to define PROTECTIVEMEASURES, INSTALLATION TECHNIQUES &METHODOLOGIES by means : Recommendations: K & L-series Directives Handbooks Lightning Handbook, Earthing Handbook Measuring Handbook, Mitigation Handbook Handbooks on ICT & Climate changeRecommendations for limiting the RISK of : Damages to telecommunication installation and equipment Disturbances to and from telecommunication systems Injury to people: Safety & Human exposure to EMFproduced by telecommunication installations (Q7/5)
  9. 9. Strategy of Study Group 5The new strategy for ITU-T SG5 isbased on five pillars:1. Improvement of the quality of ITU-TSG5 deliverables (Recommendations,Handbooks, Supplements, etc);2.Establishment of a think tank toidentify new work items that could bedeveloped within SG5;3.Promotion of the work of ITU-T SG5;4.Recruitment of new sector members andacademia that can contribute to the workof SG5;5.Mentoring of new comers.9
  10. 10. Structure of ITU-T SG510ITU-T SG5Environment andClimate ChangeWP1/5Damage prevention andsafetyWP2/5Electromagnetic fields:emission, immunity andhuman exposureWP3/5ICT and climate changeQ.12/5Guides andterminologyRegional GroupsAFR, ARB, LAC and AP7 Questions6 Questions5 QuestionsQuestion 7/5Human exposure to EMFs
  11. 11. Standards forevaluation andmeasurement ofexposure levelsBest practices,Implementationand guidance ontelecommunicationinstallationsAssignment of theexposure limitsconsidered as safefor peopleMain tasks & Responsibility on EMFIEC, CENELEC,COST 281,Nationalstandardization committeesITU-TStudy Group 5WHO,ICNIRP,Nationalmedicalauthorities11
  12. 12.  Recognizes that Study Group 5, in establishing measurementmethodologies for assessing human exposure to RF energy,already cooperates with many participating standardsorganizations (PSOs). Resolves to invite ITU-T, in particular SG5, to expand andcontinue its work and support in this domain, including but notlimited to:i) Disseminating information related to this topic through organizingworkshops and seminars;ii) Continuing to cooperate and collaborate with other organizationsworking on this topic and to leverage their work, in particular with aview to assisting the developing countries in the establishment ofstandards and in monitoring compliance with these standards;iii) Cooperating on these issues with ITU-R SG1 and SG6, and with SG1of the ITU-D in the framework of Q 23/1;iv) Strengthening coordination with WHO.ITU-T Resolution 72 on Measurement concerns relatedto human exposure to electromagnetic fieldsRevised and consented at World Telecommunication Standardization Assembly (Dubai, 2012)12
  13. 13. Question 7/5"Human exposure to electromagneticfields (EMFs) due to radio systems andmobile equipment"Rapporteur: Fryderyk Lewicki (Orange, Poland)Associate Rapporteur: Tariq Alamri (CITC, Saudi Arabia)Associate Rapporteur: Mike Wood (Telstra, Australia)Associate Rapporteur: Jafar Keshvari (Nokia, Finland)13
  14. 14. Question 7/5 (Cont’d)GoalsTo provide a high level framework for : Managing the human exposure to EMFs (regulatory practices). Guidelines for the assessment of human exposure based on existingITU-T Recommendations and standards produced by otherstandards development organizations (SDOs).14Ways Measuring techniques Procedures Numerical modelingfor evaluating the electromagnetic field due to telecommunication systems andradio terminals.
  15. 15. Question 7/5 (Cont’d)Main Study Area: Real site measurements and modeling of the multiplesources operating on different frequencies andtransmitting antennas; Determine the validity of electromagnetic fieldpredictions; Procedures and guidance on numerical modeling ofEMFs in the areas around telecommunicationtransmitting antennas and various systems; Guidance based on existing SAR measuring andcalculating procedures, techniques and protocols forevaluating EMF due to ICT equipment; Handbook to answer frequently questions abouthuman exposure to EMF.15
  16. 16. Question 7/5 (Cont’d)Main Tasks Develop Recommendations for thetelecommunication sector; Work on activities specified inResolutions; Collaboration with otherstandardization bodies (IEC,CENELEC, WHO) in order to avoidduplication of work; Maintenance and enhancement ofthe existing Recommendations.16
  17. 17. Key EMF Recommendations Aim to help with compliance with safety limitsfor human exposure to EMFs. Guidance on calculation method, andinstallation assessment procedure. Based on safety limits provided by ICNIRP Determine the likelihood of installationcompliance based on accessibility criteria,antenna properties and emitter power. Recommend IEC Standard for the compliancemeasurement of mobile handsets.Recommendation ITU-T K. 52 “Guidance on complying withlimits for human exposure to electromagnetic fields”17
  18. 18. Key EMF Recommendations (Cont’d) Help telecommunication operators to verify compliance withexposure standards promulgated by local or national authorities. Guidance on measurement methods that can be used to achieve acompliance assessment. Provide guidance on the selection of numerical methods suitablefor exposure prediction in various situations.Recommendation ITU-T K.61 “Guidance on measurement andnumerical prediction of electromagnetic fields for compliance withhuman exposure limits for telecommunication installations”K.61_F02Antenna Reflecting wallReflecting surfacedirectreflectionno reflection18
  19. 19. Key EMF Recommendations (Cont’d) Support telecommunication operators indemonstrating the compliance of the radiatedemissions generated by telecommunication systems. Telecommunication operators typically construct theirsystems from many items of equipment that are eachengineered to individually meet radiated emissionsrequirements. Presents a method that allows the radiated emissionsto be assessed without performing practicalmeasurement. Suite to the analysis of systems that are physically verylarge, for which practical testing is both prohibitivelyexpensive and practically difficult to perform.Recommendation ITU-T K.62 “System level radiated emissionscompliance using mathematical modelling”19
  20. 20. Key EMF Recommendations (Cont’d) Defines techniques which may be used bytelecommunication operators to evaluate thecumulative (total) exposure ratio in the vicinityof transmitting antennas and to identify themain source of radiation. Guidance on mitigation methods which allowreduction of radiation level. Provides guidance on procedures necessary inthe environment (on site) in which, in mostcases, there is a simultaneous exposure tomultiple frequencies from many differentsources. Software provided that implementsmethodology: EMF- estimatorRecommendation ITU-T K.70 “Mitigation techniques to limithuman exposure to EMFs in the vicinity of radiocommunicationstations”20
  21. 21. Key EMF Recommendations (Cont’d) Guidance to make long-termmeasurements for themonitoring of electromagneticfields (EMF) in the selectedareas that are under publicconcern. Provide the general public clearand easily available dataconcerning electromagneticfield levels in the form ofresults of continuousmeasurement.Recommendation ITU-T K.83 “Monitoring ofelectromagnetic field levels”21
  22. 22. Key EMF Recommendations (Cont’d) Provide evaluation techniques andguidelines for compliance with safetylimits for human exposure to EMFs oftelecommunication networkpersonnel (e.g., outside plant craft) atpower frequencies (DC, 50 Hz and 60Hz). Provide techniques and procedures fordetermining the need for anyprecautions at the work site. Includes an electronic attachmentcontaining the EMFACDC program.Recommendation ITU-T K.90 “Evaluation techniques and workingprocedures for compliance with exposure limits of networkoperator personnel to power-frequency electromagnetic fields”22
  23. 23. Key EMF Recommendations (Cont’d) Guidance on how to assess and monitor human exposure toradio frequency EMF in the areas with surroundingradiocommunication installations based on existing exposureand compliance standards in the frequency range of 9 kHz to300 GHz. Examine the area accessible to people in the real environmentof currently operated services with many different sources ofRF EMF. Give references to standards and recommendations related toEMF compliance of products. Include information concerning fixed amateur stations andinformation on comparison measurement/calculations anduncertainty evaluation. A software is provided in order to help in the calculation ofthe uncertainty.Recommendation ITU-T K.91 “Guidance for assessment,evaluation and monitoring of human exposure to radio frequencyelectromagnetic fields”23
  24. 24. Future EMF Publications and RecommendationsA new EMF handbook or web-based ‘technicalinformation paper’ including the option of an EMFinformation application is being developed.EMF HandbookBrochureITU-T activities on human exposure to EMFs due toradio systems and mobile equipment.Recommendation ITU-T K.mpisMeasurement of human exposure levels when awireless installation is put into service”24
  25. 25. Conclusion ITU-T Study Group 5 Recommendations can beused to assess EMF exposure, to identify potentiallyhazardous situations and to comply with exposurelimits. ITU-T Study Group 5 takes part in standardizationby preparing Recommendations, which giveappropriate guidance for administrations andtelecommunication operators and implementResolution 72 (WTSA-12, Dubai).25 ITU activity is complementary to the works carried out in other internationalstandardization bodies involved in this subject - there is no duplication ofwork. All the Study Group 5 activities are reported in ITU web site: Recommendations are available in electronic (PDF) form free of charge.
  26. 26. Thank
  27. 27. Supplementary Slide27
  28. 28. Additional Information ITU ITU-T/SG5 “Environment & Climate Change” ITU-T, the Environment and Climate Change ITU Symposia & Events on EMF ITU Events