Standard No.:	YD/T 3634-2020
English Name:	Techniques to mitigate interference from radio devices to equipment and cable connected to broadband customer network
Chinese Name:	LTE FDD数字蜂窝移动通信网直放站技术要求和测试方法
Professional Classification:	YD    Professional Standard - Telecommunication
Issued by:	MIIT
Issued on:	2020-4-16
Implemented on:	2020-7-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	11500 words
Price(USD):	345.0
Delivery:	via email in 1 business day

LTE FDD digital cellular mobile telecommunication network technical requirement and test method of repeater 1 Scope This standard specifies the technical requirements and test methods of the repeater of LTE FDD digital cellular mobile telecommunication network, such as wireless index, operation and maintenance function, power supply adaptability, environmental adaptability and safety. This standard is applicable to wireless repeater, optical fiber repeater, frequency shift repeater and indoor distribution system amplifier (including host, trunk amplifier and extension amplifier, etc.) in LTE FDD single-mode repeater. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated reference, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB 4943.1-2011 Information technology equipment - Safety - Part 1: General requirements ITU-R SM.329 Unwanted emissions in the spurious domain 3GPP TS 25.113 Base Station (BS) and repeater Electro Magnetic Compatibility (EMC) 3GPP TS 36.141 Evolved Universal Terrestrial Radio Access (E-UTRA); Base Station (BS) conformance testing (Release 9) 3 Terms, definitions and abbreviations 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 LTE FDD repeater full-duplex RF relay amplifier of LTE FDD mobile telecommunication network, including wireless repeater, optical fiber repeater and frequency shift repeater as well as host, extension and trunk amplifier in LTE FDD indoor distribution system 3.1.2 wireless repeater repeater relaying by wireless transmission 3.1.3 optical fiber repeater repeater relaying by optical fiber transmission 3.1.4 frequency shift repeater repeater transmitting by frequency shift relay after converting the operating frequency to a specific relay frequency (microwave relay, short-wave relay, etc.) 3.1.5 broadband repeater repeater operating with all assigned carriers in all or part of LTE FDD frequency bands 3.1.6 band selective repeater repeater selecting one or more assigned carriers in all or part of LTE FDD frequency bands 3.1.7 trunk amplifier relay amplifier that obtains signal by being directly connected with the donor source equipment through transmission line (cable or optical cable), then amplifies the signal and transmits it to an indoor or outdoor coverage area 3.1.8 indoor distribution system system that distributes signal to various corners of buildings and basements, etc. through repeaters, power splitters, couplers, trunk amplifiers, photoelectric conversion modules, indoor antennas and feeders 3.1.9 downlink link from base station to mobile station 3.1.10 uplink link from mobile station to base station 3.2 Abbreviations For the purposes of this document, the following abbreviations apply. ALC Automatic Level Control BW Band Width CW Continuous Wave EVM Error Vector Magnitude EVMDAT EVM of Test Data EVMs EVM of Source MIMO Multiple-Input Multiple-Output NF Noise Figure NRB Number of Resource Block RB Resource Block RMS Root Mean Square 4 Measurement conditions and judgment basis 4.1 Normal test conditions Unless otherwise specified, all the tests shall be carried out under the following conditions. ——Temperature: 15℃~35℃. ——Relative humidity: 35%~75%. 4.2 Limit test conditions For the limit test, measurement shall be conducted under any combination of the following conditions. ——Temperature and humidity. ● Low temperature: -40℃ (outdoor class I), -25℃ (outdoor class II) or +5℃ (indoor unit). ● High temperature: +55℃ (outdoor class I and class II) and +40℃ (indoor unit). ● Relative humidity: 95% (outdoor class I and class II) and 85% (indoor unit). ——Power supply voltage. ● AC 220V: low voltage +176V; high voltage +264V. ● DC -48V: low voltage -57.6V; high voltage -38.4V. 4.3 Requirements for equipment under test See Annex A. 4.4 Requirements for test mode See Annex B. 4.5 Test uncertainty Table 1 lists the requirements for the uncertainty of test system, which shall be evaluated regularly.

Foreword i 1 Scope 2 Normative references 3 Terms, definitions and abbreviations 3.1 Terms and definitions 3.2 Abbreviations 4 Measurement conditions and judgment basis 4.1 Normal test conditions 4.2 Limit test conditions 4.3 Requirements for equipment under test 4.4 Requirements for test mode 4.5 Test uncertainty 4.6 Test judgment basis 4.7 Test method requirements 5 Operating band 6 Wireless indexes 6.1 Maximum output power 6.2 Automatic level control (ALC) 6.3 Maximum gain and error 6.4 Gain adjustment range 6.5 Gain adjustment step and error 6.6 Frequency error 6.7 Error vector magnitude 6.8 In-band fluctuation 6.9 Standing wave ratio of input voltage to output voltage 6.10 Out-of-band rejection 6.11 Input intermodulation 6.12 Undesirable emission 6.13 Noise figure 6.14 Blocking 6.15 Output intermodulation 6.16 Transmission delay 7 Power supply adaptability 7.1 High voltage test 7.2 Low voltage test 8 Environment test 8.1 Test environment conditions 8.2 Index requirements 8.3 Measurement method 9 Operation and maintenance function 9.1 Query function 9.2 Fault management function 9.3 Control functions 9.4 System safety management function 9.5 Locating information acquisition (optional) 9.6 Scheduling function (optional) 10 Safety requirements 11 Electromagnetic compatibility requirements Annex A (Normative) Requirements of test equipment Annex B (Normative) Test mode Annex C (Informative) Operating band Bibliography