CONTENTS NATIONAL COMMUNICATIONS COMMISSION 1 6 9 102 8 7 4 886-2-3343-7377 10052 50 www.ncc.gov.tw 886-2-2395-6777 11 13 16-104 209 1 886-2-2518-0207 32 3 886-4-2221-0237 1102 www.ncc.gov.tw GPN 2009600628 ISSN 1994-9766 100 96.4.28 20 24 28 32
V V V V V V DECT Digital Enhanced Cordless Telecommunications 6.0 V V NCC NEWS 8 1
99 3 18 131.8MHz STL Studio- Transmitter-Link 1 STL 251.3MHz 2 95.7MHz VHFVery high frequency 144~146MHz UHF Ultra-high frequency 430~432MHz 101 2 22 3 4 RX Receive 433.980MHz TX Transmit 173.040MHz 2
NATIONAL COMMUNICATIONS COMMISSION 5 1 6 2 DECT6.0 DECT6.0 3G 7 DECT6.0 8 DECT6.0 NCC NEWS 8 3
794~806MHz 4G Fourth generation of mobile phone mobile communications standards 101 9 794~806MHz 4G 9 10 910~911MHz 955~956MHz 102 3 910~911MHz 955~956MHz LED Light-Emitting Diode 910~911MHz RFID Radio Frequency Identification DECT6.0 11 LED910~911MHz 12 RFID 4
NATIONAL COMMUNICATIONS COMMISSION NCC NEWS 8 5
NCC News Pool 1983 Federal Communications Commission, FCC Green Paper Office of Communications, Ofcom 1996 1996 Telecommunication Act 6
NATIONAL COMMUNICATIONS COMMISSION NCC WBA Wireless Broadband Access, 4G Smart TV OTT Over the Top TV, 1996 deregulation NCC NEWS 8 7
NCC 8
NATIONAL COMMUNICATIONS COMMISSION 3C 300~700 1015 3 10-7 833 Frequency Modulation FM Amplitude Modulation AM 3G NCC NEWS 8 9
Email Application App App App Magnetic Resonance Imaging, MRI Hyperthermia 4 m~14 m micrometer 0.25 mm Millimeter Pulsed light 500nm~ 1200nm Nanometer Tesla 1.5 15000 42 10
90 101 12 11 3 3 90 91 1. 2. 3. 4. 5. 6. 7. 8. 92 NCC NEWS 8 11
96 1. 2. 3. 98 MPEG-IV Motion Picture Experts Group- IV 100 102102 4 24 10243011450 Program Counter Reference; PCR IP Jitter, IP Packet Delay Variation QoS buffer I T U - T I T U Te l e c o m m u n i c a t i o n Standardization Sector Y.1541, G.1050 Jitter IPTV Internet Protocol Television IP 6 11 542 12
NATIONAL COMMUNICATIONS COMMISSION 46 3 101 12 5 10143043450 8 12 27 29 8 12 27 29 1 26 27 22 3 500 54 2 1 NCC NEWS 8 13
1 8 9 12 11 1 8 5 2 6 8 1 8 5 1 2 8 5 6 1 9 5 9 5 3 4 9 5 4 2 AM FM 83 83 14
NATIONAL COMMUNICATIONS COMMISSION 101 6 30 No No Yes 46 4 4 Yes European Telecommunications Standards Institute, ETSI EN 300 744 EN 302 755 TR101 190 TR 101 290 TS 1011545 6 MHz 3 3 3 No Yes 101 6 30 1 NCC NEWS 8 15
85 33 Ultra Very High Frequency U VHF 2High Frequency HF 1 9 1 3 6 2G 3G Burst SignalWaterfall Recall 16
NATIONAL COMMUNICATIONS COMMISSION 20GHz Polling 432~440MHz 2 1 430.5 431 431.8MHz 3 NCC NEWS 8 17
Recall Limit Line 1 430.5 431 431.8MHz 430.5MHz 18
NATIONAL COMMUNICATIONS COMMISSION 另可藉界線功能快速記錄特性 運用於記錄突波 處之難度 但若能妥善運用手攜式監測設備之智慧型 式信號 Burst Signal 圖六便是利用此特性 成功 紀錄功能 再搭配行動監測車新增之快速與寬頻之定 記錄機場航管雷達波之旁波帶信號干擾中央氣象局雨 向能力 並提昇監測查處人員之本質學能 適時掌握 量觀測雷達之運作 轄區內地理環境及電波特性 相信必有維持電波秩序 之能力 並賡續保障合法通信品質 肆 結語 電波環境因使用者增加而複雜 干擾案件亦繁難 而瞬息萬變 若受干擾頻道為多人共用時 干擾信號 本文作者為南區監理處技正 又以短瞬性及非周期性之方式呈現 將更加深干擾查 圖三 交測定位干擾源 T 實例 圖四 多頻道監測儀具有Limit Line 綠色線 功能 圖五 降低需監測頻道之Limit Line高度 信號出現即自動記錄 圖六 航管雷達影響中央氣象局雨量雷達實測頻譜圖 NCC NEWS 8 月號 19
1 1988 International Maritime Organization, IMO 1974 1978 Global Maritime Distress and Safety System, GMDSS COSPAS Space System for Search of Distress Vessel, SARSAT Search and Rescue Satellite-Aided TrackingCOSPAS-SARSAT A1 A2 A3 A4 4A1 A2 A1 A3 International Maritime Satellite Organization, INMARSAT A1 A2 1988300 2 MF HF VHF 20
NATIONAL COMMUNICATIONS COMMISSION 1 NCC NEWS 8 21
Emergency Position Indicating Radio Beacon, EPIRB Search and Rescue Radar Transponder, SART 3 5 3 Martime Mobile Service Identity, MMSI MMSI 2 2-1 2-2 EPIRB 2-3 SART 22
NATIONAL COMMUNICATIONS COMMISSION 9 416 6 6 1 1 27 MHz 2-5 2-4 2-6 NCC NEWS 8 23
102 5 13 Digital Video Broadcasting - Cable,DVB-C Internet Protocol Television,IPTV DVB-C 1. 2. 3. 4. 5. 6. 90MHz IPTV 1. 2. 3. 4. 5. Acceptable Quality Level,AQL 4.0 6 6 AQL 4.0 1 24
NATIONAL COMMUNICATIONS COMMISSION 720 480i[interlaced-] 1280 720p[progressive-] 1. 2. ES Elementary stream, 1. 2. EIT Event Information Table, Parental Rating Description 3. DVB-C TS NCC NEWS 8 25
1 2 3 4 5 6 26
NATIONAL COMMUNICATIONS COMMISSION Automatic Gain Control,AGC 3~4 1 720x480 SDTV- 1920x1080/1280x720 HDTV- 720x480 SDTV- CD 5.1 FM 2 NCC NEWS 8 27
101 Liquid Crystal Display,LCD 2 0 1 0 3 Digital Video Broadcasting- Second Generation Terrestrial, DVB-T2 2010 2011 DVB-T2 DVB-T2 DVB-T DVB-T2 DVB-T DVB-T2 Long Term Evolution, LTE LTE LTE DVB-T DVB-T2 DVB-T 2011 7 DVB DVB-T2 DVB-T2 low-density parity-check,ldpc 1962R. Gallager Shannon Limit LDPC Digital Video Broadcasting - Satellite - Second Generation, DVB-S2 2005 DVB-C2 DVB-T2 BCH- Reed-Solomon code, RS code 1968 Berlekamp Ray-Chaudhuri Hocquenghem BCH RS BCH RS DVB-T RS 16 byte transport stream,ts 8 byte DVB-T2LPDC RSBCH DVB-T DVB-T2 Orthogonal frequency-division multiplexing, OFDM DVB-T2 256QAM FFT 16K 32K OFDM 28
NATIONAL COMMUNICATIONS COMMISSION DVB-T2 Adaptive Constellation Extension 1 DVB-T2 DVB-T2DVB-T DVBDVB-T2 DVB-T 30~50% H.264 HE-AAC ETSI TS102-831 DVB-T2 8 MHz 32K 1/128 3 DVB-T2 R&S, 2011 1 DVB-T2DVB 30~50% 32K 32K 1/128 inter symbol interference, ISI DVB-T DVB-T2LDPC BCHConvolutional Coding RS 20dB@BW=8MHz 44% 24Mbps 5.9dB2 DVB-T DVB-T2 DVB-T T2 4 axlinear Inc MxL101SF Single Chip DVB-T Tuner + Demodulator TS out DVB-TTS DVB-T2 DVB-T2 http://www.dvb.org/ 2 DVB-T DVB-T2 NCC NEWS 8 29
sony CXD2820R MPEG-4 H.264 1 DVB-T DVB-T2 T2 DVB-T Humax BBC 2013 DVB DVB-T2 45 Digital Video Broadcasting DVB ;Implementation guidelines for a second generationdigital terrestrial television broadcasting system DVB-T2 ETSI TS 102 831 V1.2.1 2012-08 3 DVB-T2 axlinear Inc MxL101SF 4 DVB-T/T2 30
NATIONAL COMMUNICATIONS COMMISSION LTE DVB-T/T2 LTE 700MHz LTE LTE LTE CH60 LTE1MHz5 LTE LTE 30dB DVB-T DVB-T2 LTE DVB-T2DVB-T2 DVB-T2 6MHz 8MHz 3/4DVB-T2 DVB-T2 DVB-T DVB-T2 LTE LTE LTE LTE LTE LTE 1 DVB-T/T2 DVB-T STB DVB-T2 STB RF Turn Demodulator DVB-T DVB-T2 DVB-T/T2 MPEG decoder MPEG2/H.264 H.264 A/V decoder CPU Memory BS-A BS-B BS-C UE-A UE-B UE-C 59 60 1 MHz 790 MHz 3 X 10 MHz 11 MHz 3 X 10 MHz Downlink Uplink 821 MHz 832 MHz 862 MHz D-BOOK 5 LTE NCC NEWS 8 31
102.7.1-102.7.31 5 7 367 4 639118 2 102 10 1 102 7 3 30 3 2 2 2 2 102 10 1 102 8 1 2 2 5 46 5 7 330 4 639220 2 102 7 10 2 2 11 1 e 1GB 179 32
NATIONAL COMMUNICATIONS COMMISSION 5 7 317 4 639323 102 4 21 POWER 102 7 17 102 4 22 102 4 25 Thuraya 5 7 393 4 639414 102 7 24 4 1900MHz 1900MHz PHS PHS PHS 5 7 337 4 639513 102 7 31 HOPE FOX SPORTS PLUS STAR SPORTS FOX SPORTS FOX SPORTS NEWS 4 NCC NEWS 8 33