차세대 이동통신 실무

김동옥

학력

·KoreaAerospaceUniversityphDofTelecommunicationsEngineering
·TechnionIsraelInstituteofTechnologyMasterofAerospaceEngineering


경력

전)NokiaNexstelCo.,Ltd.WirelessCommunicationsResearchInstitute
전)DancallCo.,Ltd.WirelessCommunicationsResearchInstitute
전)MaxsonCo.,Ltd.WirelessCommunicationsResearchInstitute
전)서울이동통신(주)중앙연구소책임연구원
전)한국정보통신기능대학산업연구소장,산학협력처장
전)ICT폴리텍대학기획처장
현)ICT폴리텍대학이동통신과교수

제1편이론편
제1장무선통신이론
1.무선통신기초12
1.1.무선통신의정의와필요성12
2.무선통신의역사12
3.무선통신의기본구성요소13
4.주파수와대역13
5,변조기술14
6.전파방식14
7.경로손실과간섭14
8.이동통신변천사15
9.최근기술동향15
10.활용분야16
11.전기적인신호분석16
11.1.전기적인주파수16
11.2.주파수영역과시간영역17
11.3.전압과진폭19
12.무선측정단위20
12.1.데시벨(dB)20
12.2.측정단위절대값22
12.3.이득과감쇄24
12.4.신호대잡음비26
13.5G이동통신시스템32
13.1.5G이동통신시스템구조32
13.2.기지국네트워크33
14.5G시스템네트워크38
14.1.5G의네트워크정의38
14.2.5G네트워크기술43
14.3.4G와5G의차이점44
14.4.오픈RAN서비스45
14.5.오픈RAN작동방식47

제2장스펙트럼아날라이저(SpectrumAnalyzer)
1.무선신호측정및분석66
1.1스펙트럼아날라이저(SpectrumAnalyzer)란?66
1.2.스펙트럼아날라이저의응용범위67
1.3스펙트럼아날라이저의파라미터69
1.4스펙트럼분석기의기본구조70
1.5스펙트럼분석기의내부구성요소71
1.6.입력단의RF감쇄기와IF이득86
2.스펙트럼아날라이저기능구성88
2.1.주파수조정(FrequencyControl)88
2.2.수평축주파수조정(SpanControl)89
2.3.주파수분해능필터(ResolutionBandwidth:RBW)조정89
3.스위프조정(SweepControl)91
3.1.비디오필터조정(VideoFilterControl)92
3.2.디지털스토리지(DigitalStorage)93
4.주파수마커들(FrequencyMarkers)95
4.1.중심주파수측정및트랙킹(CenterMeasureandTracking)95
4.2.주파수카운터(FrequencyCounter)95
4.3.주파수범위조정(FrequencyRangeControl)95
4.4.위상잠금(PhaseLock)96
4.5.프리셀렉터와신호확인(HarmonicMixing,Preselectors,SignalIdentifiers)96
4.6.트랙킹제너레이터(TrackingGenerator)98
5.사용방법98
5.1.Menu조작과Data입력98

제3장고주파신호발생기(RFㆍSignalGenerator)
1.개요102
1.1.고주파신호발생기(RFㆍSignalGenerator)란?102
1.2.주요성능102
1.3.주요사용용도103
2.시작하기103
2.1.전원을켜서에러메시지체크하기103
2.2.파워및최대의주파수103
2.3.앞쪽패널설명105
2.4.디스플레이표시113

제4장오실로스코프(Oscilloscope)
1.개요118
1.1.디지털오실로스코프118
1.2.기능설명132
1.3.초기설정134
2.오실로스코프사용방법134
2.1.각부위별명칭135
2.2.기본측정139

제2편무선통신시스템실무측정실습
실험1오실로스코프(Oscilloscope)측정실습148
실험2레벨및주파수측정152
실험3SpectrumAnalyzer의Marker측정실습161
실험4MeasuringㆍWindow와DisplayㆍLine170
실험5상호변조도측정179
실험6Channel대역폭내전력의측정186
실험7인접Channel누설전력(ACP)의측정192
실험8MaximumOutputPower측정하기203
실험9OccupiedBandWidth(점유대역폭)측정하기210
실험10SpectrumEmissionMask측정하기217
실험11TXRFRipple측정하기223
실험12FrequencyError측정하기228
실험13접지선연결하기234
실험14LNA(LowNoiseAmplifier)측정하기244
실험15대역결합기특성측정251

제3편5GNR실무측정실습
실험1Swept스펙트럼분석기측정실습272
실험2ChannelPower측정실습296
실험3OccupiedBW(BandWidth)측정실습307
실험4ACLR(AdjacentChannelLeakagePowerRatio)측정실습315
실험5SEM(SpectrumEmissionMask)측정실습326
실험610MHzClock측정실습341
실험7UL(UpLink)불요파측정실습349
실험85GNR신호분석측정실습359
실험94GLTE신호분석측정실습374
실험105GNRScan측정382
실험11현장활용사례389
실험12단말스크린디버깅실습396
실험13AWSCloud실습422
참고문헌445