KTM KTM Technology Co, Ltd. Over-the-Air Performance Test System for Mobile Station ㈜케이티엠테크놀로지 KTM

KTM KTM Technology Co, Ltd. CONTENTS 1. 시스템 구성 및 사용 장비 / 부품 목록 2.OTA Performance Test 개요 3.Anechoic Chamber 4.Measurement Antenna 5.Positioners 6.S/W

KTM KTM Technology Co, Ltd. 1. 시스템 구성 및 사용 장비 / 부품 목록 시스템 구성도

KTM KTM Technology Co, Ltd. 1. 시스템 구성 및 사용 장비 / 부품 목록 사용장비 / 부품 목록 순번품 명규 격규 격 수량수량 비 고비 고 1-1 Shielding Chamber6mX3mX3m, 100dB(500MHz~6.0GHz) 1Shield Tech 1-2 항온항습기 3RT 1 유한엔지니어링 1-3 CCTV SystemZoom, Pan and Tilt, 20” Color Monitor 1MTG 1-4 Absorber Treatment(26” and 18”)6mX3mX3m, Reflectivity 1GHz 1 Emerson & Quming 2-1 AZ Positioner AP-6209, Rotary Joint and Slip Ring 포함 1MTG 2-2 3D EUT Positioner AP-6917, Rotary Joint and Slip Ring 포함 1MTG 2-3 Free Space BracketAP-BRK-02 1MTG 2-4 Positioner ControllerPC-510-4C/PD MTG 2-5 System CablesEMI/RFI Suppressed 1MTG 3-1 System RackStandard 19” 1MTG 3-2 System Controller System Controller, 17” LCD Display, Interfaces 1MTG 3-3 2D/3D Antenna Measurement S/WVisualWave-Mobile 1MTG 3-4 Sensitivity & Power Measurement S/WVisualWave-Active 1MTG

KTM KTM Technology Co, Ltd. 1. 시스템 구성 및 사용 장비 / 부품 목록 사용장비 / 부품 목록 순번품 명규 격규 격 수량수량 비 고비 고 4-1 Switchable Dual-Pol. AntennaQRH (0.8~6.0GHz) 1MTG 4-2 Gain Standard AntennaOEWG-975(0.75~1.12GHz) 1MTG 4-3 Gain Standard AntennaOEWG-650(1.12~1.70GHz) 1MTG 4-4 Gain Standard AntennaOEWG-650(1.70~2.60GHz) 1MTG 4-5 Gain Standard AntennaSGH-2.6-S(2.60~3.95GHz) 1MTG 4-6 Gain Standard AntennaSGH-3.9-S(3.95~5.85GHz) 1MTG 4-7 Low Loss RF CableLoss 18GHz 1MTG 5-1 Hand PhantomsMCL, Left-hand and Right-Hand 1MTG 5-2 Head PhantomMCL, CTIA Specification 1MTG * 참고사항 : 챔버의 크기는 3mX2mX2m, 5.4mX2.7mX2.7m, 6mX3mX3m, 8mX4mX4m 등이 가능하며 3mX2mX2m 및 5.4mX2.7mX2.7m 챔버는 표준건물 높이 내에 설치 가능함.

KTM KTM Technology Co, Ltd. 2. OTA Performance Test 개요 * CTIA : “ Test Plan for Mobile Station Over the Air Performance ” - March 2003, Revision Method of Measurement for Radiated RF Power and Receiver Performance * Contents - Test Site Characteristics and Quiet Zone Accuracy – Requirements and Test Method and Procedure - Substitution Part : Measurement for Path Loss Calibration - Radiated Power Measurement - Receiver Performance(Sensitivity) Measurement - Measurement Uncertainty Analysis

KTM KTM Technology Co, Ltd. 3. Anechoic Chamber * CTIA ’ s Minimum Requirement - Quiet Zone Size : Sphere of 300mm Diameter for Measurement involving Head Phantom - Minimum Test Length : 1.19m - +/- 1.0dB Ripple to Guarantee the Uncertainty Level of 2.0dB including EUT Positioner

KTM KTM Technology Co, Ltd. 3. Anechoic Chamber * Specifications Frequency QZ Diameter * Transmit Antenna Gain Receive Antenna Gain Guaranteed Q. Z. Reflectivity Guaranteed Q. Z. Ripple 800 MHz75 cm6 dBi7 dBi-25 dB+/ dB 1 GHz67 cm9 dBi7 dBi-30 dB+/ dB 1.8 GHz50 cm12 dBi7 dBi-35 dB+/ dB 3 GHz38 cm13 dBi7 dBi-42 dB+/ dB 6 GHz27 cm15 dBi7 dBi-48 dB+/ dB * 참고사항 : QZ 크기는 챔버 크기에 따라 다르며 여기서는 6mX3mX3m 챔버를 기준으로 한 QZ 크기를 나타낸다.

KTM KTM Technology Co, Ltd. 3. Anechoic Chamber * Absorber Layout Optimization for High Performance Chamber - Bidirectional Reciprocal Characteristics - Minimize Reflection Level into Quiet Zone - Ensure Working Space around EUT Positioner

KTM KTM Technology Co, Ltd. 3. Anechoic Chamber * Chamber Quiet Zone Test - Field-Probing : IEEE-STD CTIA Requirement : Quiet Zone Ripple Test

KTM KTM Technology Co, Ltd. 3. Anechoic Chamber Chamber Quiet Zone Field Uniformity – Field Probing

KTM KTM Technology Co, Ltd. 4. Measurement Antenna * MTG ’ s Optimized Measurement Antenna-QRH Switchable Dual-Pol. Quad-Ridge Antenna System - Gain is Optimized to Have Linear Slope within Frequency Band of 0.8~6.0GHz - VSWR is Optimized to be less than 2.0 from 700MHz * Path Loss Compensation - Space Loss of Range Length 3.0m : -20.5dB/dBsm - Isotropic Antenna Capture Area : 1.0GHz, 2.0GHz - Cable Loss and Switch Loss from Base Station Simulator to Antenna : -3.5dB max. - Total Loss : 1GHz, 2GHz * Gain is Recommended to be at Least 2GHz

KTM KTM Technology Co, Ltd. 4. Measurement Antenna * VSWR and Isolation Characteristics - Less than 2.0 from 700MHz - Isolation better than 25dB

KTM KTM Technology Co, Ltd. 4. Measurement Antenna * Optimized Gain Characteristics - Linear Gain Slope within 0.8~1.2GHz, 1.5~2.3GHz Bands - Reduce Inter-Channel Differences during TX Power and Sensitivity Measurement

KTM KTM Technology Co, Ltd. 5. Positioners * High Precision Az Positioner (AP-6209) - Operating Load : 300kg - Resolution/Accuracy : Better than 0.01deg - Speed : up to 90deg/sec - Rotary Joint(DC~18GHz) and Slip Ring Included * Transparent 3D EUT Positioner (AP-6917) - Satisfies CTIA’s +/- 1.0dB Ripple Requirement - Base Linear Slide for to Accommodate Various Kinds of Phantoms/Jigs - Mast made of Low Dielectric/Low Loss Spectra - Rotary Joint(DC~18GHz) Included - Free Space Jig Included

KTM KTM Technology Co, Ltd. 5. Positioners AZ Positioner (AP-6209) (AP-6209) + (AP-6917)

KTM KTM Technology Co, Ltd. 5. Positioners 단말기 Active Test (TRP/TIS)

KTM KTM Technology Co, Ltd. 5. Positioners 단말기 안테나 Passive Test Ripple Test

KTM KTM Technology Co, Ltd. 6. S/W * Active Measurement S/W 특징 - 2D/3D Measurement - Peak, Null and Average Analysis - GSM, CDMA, W-CDMA Measurement - Dual Band Hand-off - Efficiency Analysis in 3D Measurement * Passive Measurement S/W 특징 - 2D/3D Measurement - Peak, Null and Average Analysis - Band Configuration in Frequency Set-up - Efficiency Analysis in 3D Measurement

KTM KTM Technology Co, Ltd. 6. S/W Active Measurement 소요시간 Test BandTest TypeTest Time 비고 GSM 2D/3CH/1Band - Sensitivity&Power4 min 30 도 간격 2D/3CH/2Band - Sensitivity&Power9 min 30 도 간격, GSM & DCS 3D/3CH/1Band - TRP&TIS30 min 30 도 간격 3D/3CH/1Band – TRP10 min 15 도 간격 3D/3CH/1Band – TRP6 min 30 도 간격 CDMA 2D/3CH/1Band - Sensitivity&Power10 min 30 도 간격 3D/3CH/1Band - TRP&TIS80 min 30 도 간격 3D/1CH/1Band - TRP&TIS30 min 30 도 간격 3D/3CH/1Band – TRP10 min 15 도 간격 3D/3CH/1Band – TRP6min 30 도 간격 WCDMA 2D/3CH/1Band - Sensitivity&Power10 min 30 도 간격 3D/3CH/1Band - TRP&TIS80 min 30 도 간격 3D/1CH/1Band - TRP&TIS30 min 30 도 간격 3D/3CH/1Band - TRP10 min 15 도 간격 3D/3CH/1Band - TRP6 min 30 도 간격

KTM KTM Technology Co, Ltd. 6. S/W Active Measurement S/W-Measurement Set-up

KTM KTM Technology Co, Ltd. 6. S/W Active Test Result (TIS, TRP)

KTM KTM Technology Co, Ltd. 6. S/W Active Test Result (TRP-15 도 간격 )

KTM KTM Technology Co, Ltd. 6. S/W Antenna Passive Test Set-up

KTM KTM Technology Co, Ltd. 6. S/W Antenna Passive Test Result(H-Plane)

KTM KTM Technology Co, Ltd. 6. S/W Antenna Passive Test Result-3D Analysis