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History of Radio Monitoring in Korea

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History of Radio Monitoring in Korea Radio Technology Research Department ETRI (Electronics & Telecomms Research Institute) 1 ETRI (Korea Electronics and Telecommunications Research Institute) located in the middle of S. Korea (distance 120 km from Seoul) about 2,000 peoples work in all IT field (Radio Telecomms, etc) (for more details http://www.etri.re.kr ) 2 I. Brief History of Spectrum Management in Korea II. Introduction of Handheld Radio Monitoring System III. Introduction of Transportable Radio Monitoring System 3 I. Brief History of Spectrum Management in Korea Sokcho Seoulbuk Kangneung Seoul CRMO Wonju Incheon SRMC Suwon Dangjin Cheongju Daejeon Andong Daegu Ulsan Jeonju Pusan Kwangju Changwon Suncheon Jeju 4 History of Spectrum Management in Korea MSIP 2013 (Ministry of Science, ICT and Future Planning ) ~ KCC 2008 (Korea Communications Commission) ~ MIC 1994 (Ministry of Information and Communication) ~ MPT 1948 Ministry of Posts and Telecommunication 5 Organization of MSIP Vice Minister I Vice Minister II Office of Office of Planning ICT Industry Bureau and Coordination Broadcasting and Telecommunications Communications Policy Bureau IT Strategy Bureau Office of Future Convergence Policy Leading R&D Policy Deputy Minister for Convergence Policy Bureau Science & Technology Coordination Broadcasting Promotion Science and Policy Bureau Technology Policy Bureau Radio Policy Bureau R&D Coordination Radio Policy Planning Bureau Division Performance Radio and Broadcasting Evaluation Bureau Affiliated Institutions management Division CRMO RRA Spectrum Policy Division * MSIP (http://www.msip.go.kr), CRMO (http:// www.crmo.go.kr), RRA (http:// www.rra.go.kr) 6 Spectrum Management Service in Korea International WRC Frequency Allocation RR National Frequency Allocation MSIP Frequency Allocation Frequency Usage Licensing Usage Approval Assignment (Commercial) (Military) Station Authorization Type Approval SUPPORTING (CRMO) GROUP (RRA, CRMO) Technical Support Station Inspection ETRI (CRMO KCA) KISDI, KCA, TTA, RAPA Monitoring/Supervision /Anti-interference (CRMO) * KISDI (www.kisdi.re.kr), KCA (www.kca.kr), TTA (www.tta.or.kr), RAPA (www.rapa.or.kr) 7 Spectrum Management Service in Korea C R M O Radio Planning Radio Management Radio Protection Radio Operation Support Division Division Division Division Division (Planning & Budget) (Radio monitoring) (Survey & Control) (HF Radio monitoring) (General affairs & Accounts) Regional Branches Regional Offices (10) : Seoul, BuSan, KwangJu, Satellite Radio KangNeung, DaeJeon, JeJu, UlSan, Monitoring Centre DaeGu, Jeonu, Cheongu 8 History of Radio Monitoring in Korea Phase I User Number of Radio Station Main System Feature Needs Action 9 History of Radio Monitoring in Korea Phase II User Number of Radio Station Main System Feature Needs Action 10 History of Radio Monitoring in Korea Phase III User Number of Radio Station Main System Feature Needs Action 11 II. Introduction of Handheld Radio Monitoring System Introduction Background Proximity Monitoring of Signals with a High Freq. and a Low Tx Power Spectrum Sharing in ISM Band to Maximize Spectrum Usage Key Role of USN(Ubiquitous Sensor Network) and Digital Home Industry Features Main Functions : Portable Direction Finding, Emission Parameters Meas. & Demodulation, Wideband Spectrum Measurement Connection with Mobile & Fixed Monitoring Systems on CRMO Target Frequency : 20 MHz ~ 6.0 GHz with IF BW of 10MHz Power Consume : less than 25W which can operate more than 3 hours * @Sleep Mode : less than 2W 13 Block Diagram Measurement Part Fixed or RF Receiver Part Digital Processing & Mobile DF Control System RF tuner IF conv. Digital Meas./Optng/ Trans Potable COMPASS - I/Q Ctrl SW Radio Monitoring Ref. Signal Generator Station LO Gen. Ref. Clock Power/Battery ANT / e / ANT Operation Part Wire or Geolocation Wireless GIS Network GUI/Result Display DB Handheld Radio Monitoring System 14 Configuration 4 Antennas Antenna Part camera compass 500~1000MHz 1~6GHz 4.1”LED LCD Touch Receiver Part 20~200MHz 200~500MHz USB2.0 Fan 7.0” LED LCD Touch GPS/WiFi Antenna LED (Flash Memory/WiFi Power Speaker Button Access/Battery) 15 Specifications 16 Operation 17 Features in detail 18 Features in detail Compass Camera 4.1”LED LCD Touch 19 III. Introduction of Transportable Radio Monitoring System Introduction Background Need of Proximity Monitoring All the Time to Respond the Trends of Signals with a High Freq. and a Low Power Transportable Transportable Fixed TRANSPORTABLE MONITORING SYSTEM Features 24/7 Monitoring Near the Target Located at the Shadow Area and Dense Area Install at the Top of a Building and Tower with a Small Scale System Main Functions : Emission Parameters Meas., Illegal Signal Search, Spectrum Occupancy, Environmental Noise Measurement Target Frequency : 20MHz ~ 6.0 GHz with Max IF BW of 25 MHz 21 Configuration of Transportable System Radio Measurement #1 RF Receiving Digital Processing RF Tuner IF Conv. I/Q Acq. Pre-Proc. Antenna Antenna Reference Signal Control/Networking Meas. Comm. Antenna & LO Gen. Ref. CLK. CTRL. CTRL Radio Measurement #2 ,,,, #n TCP/IP Operating PC @CRMO TCP/IP Comm. CTRL GIS Meas. Processing TCP/IP DB Networks GUI/Result Data 22 Configuration 23 Configuration of Transportable System Side 20MHz~6GHz Omni-Directional *Optional Extra ANT Front Bottom Antenna Part Measurement System 24 Comparison with Existed System Fixed Monitoring System Transportable Monitoring System Items (‘05 ~ ) (‘13~ ) Frequency 20 MHz ~ 3.0 GHz 20 MHz ~ 6.0 GHz Range IF BW 10 MHz 25 MHz Measure 4 Channels 1 Channel Channel - Large, High Power Consume - Small, Light, Low Power Consume - Fixed Setup on a metal Tower - Flexible Deploy on the Rooftop etc. - In-door Installed Receivers - Out-door Installed Receiver Specification - Radio Quality, Illegal Radiation - Increased Receiving sensitivity - Freq. Occupancy Measure - Radio Noise Analysis - Installed with Direction Finder - GPS Disciplined Frequency Reference 25 Specifications 26 Measurement of Radio Noise 1 k 2 2 ()k R i x F i1 ()k p1 R 2 x F i i1 Eigen Value Analysis Capture of Measurement Example 27 Conclusions Importance of Radio Spectrum Monitoring It is encouraging to use SRD device and develop sharing technology in order to enhance efficiency in the management of radio resources. In order to Prevent a side effect of Deregulation which promotes Frequency Utilization, it is important to Strengthen Monitoring after Licensing. A Radio Monitoring allows us to Promote and Spread the Industry related to Radio Wave. 28 Conclusions Radio Monitoring in Korea Korean Radio Monitoring Systems have been deployed successfully with recent IT Technology for the Last 10 years. Now we have a Total Solution Compliant with International Recommendations. As a result, the Number of Violation Stations and Illegal Stations has been Decreased since 2005 with a Successful Operation of Korean Monitoring System. 29 Ду́же дя́кую [email protected] [email protected] [email protected] 30 .
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