Radio Technology Research Department

Transcription

1 Radio Technology Research Department

2 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 ) 2

3 I. Brief History of Spectrum Management in Korea II. Introduction of Handheld Radio Monitoring System III. Introduction of Transportable Radio Monitoring System

4 I. Brief History of Spectrum Management in Korea Sokcho Seoul Incheon Suwon Seoulbuk CRMO SRMC Wonju Kangneung Dangjin Cheongju Daejeon Andong Jeonju Daegu Ulsan Kwangju Pusan Suncheon Changwon Jeju 4

5 History of Spectrum Management in Korea 2013 MSIP (Ministry of Science, ICT and Future Planning ) ~ ~ ~ KCC (Korea Communications Commission) MIC (Ministry of Information and Communication) MPT Ministry of Posts and Telecommunication 5

6 Organization of MSIP Vice Minister I Vice Minister II Office of Planning and Coordination Office of Future Leading R&D Policy Office of Broadcasting and Communications Convergence Policy Telecommunications Policy Bureau ICT Industry Bureau IT Strategy Bureau Deputy Minister for Science & Technology Coordination Science and Technology Policy Bureau R&D Coordination Bureau Performance Evaluation Bureau Affiliated Institutions Convergence Policy Bureau Broadcasting Promotion Policy Bureau Radio Policy Bureau Radio Policy Planning Division Radio and Broadcasting management Division CRMO RRA Spectrum Policy Division * MSIP ( CRMO ( RRA ( 6

7 Spectrum Management Service in Korea WRC International Frequency Allocation RR MSIP National Frequency Allocation Frequency Allocation Frequency Assignment Usage Licensing (Commercial) Usage Approval (Military) SUPPORTING GROUP Technical Support ETRI Station Authorization (CRMO) Station Inspection (CRMO KCA) Type Approval (RRL, CRMO) KISDI, KCA, TTA, RAPA Monitoring/Supervision /Anti-interference (CRMO) 7

8 Spectrum Management Service in Korea C R M O Radio planning Division Radio management Division Radio protection Division Radio Operation Division Support Division (Planning & Budget) (Radio monitoring) (Survey & Control) (HF Radio monitoring) (General affairs & Accounts) Regional Branches Satellite Radio Monitoring Centre Regional Offices (10) : Seoul, Busan, Kwanju, Kangneung, Daejeon, Jeju, Ulsan, Daegu, Jeonju, Cheongju 8

9 History of Radio Monitoring in Korea Phase I User/ # of station Main System Feature Problem Action 9

10 History of Radio Monitoring in Korea Phase II User/ # of station Main System Feature Problem Action 10

11 History of Radio Monitoring in Korea Phase III User/ # of station Main System Feature Problem Action 11

12 II. Introduction of Handheld Radio Monitoring System

13 Introduction Background Proximity monitoring of signals with a high freq. and a low 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 Target Frequency : 20MHz ~ 6GHz with IF BW of 10MHz Power Consume : less than 25W which can operate more than 3 hours Mode : less than 2W 13

14 ANT / e-compass Block Diagram Fixed or Mobile DF System handheld radio monitoring station RF receiver part RF tuner Ref. Signal Generator LO Gen. Measurement Part IF conv. Ref. Clock Digital Processing & Control digital I/Q Meas./Oper. /Ctl SW Power/Battery Operation Part Wire or wireless network Geolocation GUI/Result Display GIS DB Handheld radio monitoring system 14

15 Configuration Antenna 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 Power button speaker GPS/WiFi antenna LED (Flash Memory/WiFi Access/Battery) 15

16 Specifications 16

17 Operation 17

18 Features in detail 18

19 Features in detail compass camera 4.1 LED LCD Touch 19

20 III. Introduction of Transportable Radio Monitoring System

21 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 Main functions : Emission parameters meas., illegal signal search, spectrum occupancy, Environmental Noise Measurement Target Frequency : 20MHz ~ 6GHz with max IF BW of 25 21

22 Antenna #1 Configuration Radio Measurement #1 RF Receiving Digital Processing RF Tuner IF Conv. I/Q Acq. Pre-proc. Reference Signal LO Gen. Ref. CLK. Control/Networking Meas. CTRL. Comm. CTRL Antenna & Radio Measurement #2 Operation TCP/IP TCP/IP Comm. CTRL Meas. Processing GIS DB TCP/IP Networks GUI/Result Data 22

23 Configuration 23

24 Configuration Side 20MHz~6GHz Omni-Directional Antenna Part Front Measurement System Bottom 24

25 Comparison with Existed System Items Existed Fixed Monitoring System ( 05 ~ ) Transportable Monitoring System ( 13~ ] Frequency Range 20 MHz ~ 3 GHz 20 MHz ~ 6 GHz IF BW 10 MHz 25 MHz Measure Channel 4 Channels 1 Channel Specification - Large, High Power Consume - Fixed Setup on a metal Tower - In-door Installed Receivers - Radio Quality, Illegal Radiation - Freq. Occupancy Measure - Installed with Direction Finder - Small, Light, Low Power Consume - Flexible Deploy on the Rooftop etc. - Out-door Installed Receiver - Increased Receiving sensitivity - Radio Noise Analysis - GPS Disciplined Frequency Reference 25

26 Specifications 26

27 27 Eigen Value Analysis ( ) ( ) k k i x i F p x F i i R k R Measurement of Radio Noise Capture of Measurement Example

28 Conclusions Importance of 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

29 Conclusions Radio Monitoring in Korea Korean radio monitoring systems have been deployed successfully with recent IT technology for the last 7 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

30 Ду же дя кую 30