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
LTE FDD數字蜂窩移動通信網直放站技術要求和測試方法
1 范圍
本標準規定了LTE FDD數字蜂窩移動通信網直放站的無線指標、操作維護功能、電源適應性、環境適應性及安全等技術要求和測試方法。
本標準適用于LTE FDD單模直放站中的無線直放站、光纖直放站、移頻直放站、室內分布系統放大器(包括主機、干線放大器、延伸放大器等)。
2 規范性引用文件
下列文件對于本文件的應用是必不可少的。凡是注日期的引用文件，僅注日期的版本適用于本文件。凡是不注日期的引用文件，其最新版本(包括所有的修改單)適用于本文件。
GB 4943.1—2011 信息技術設備 安全 第1部分：通用要求
ITU-R SM.329 雜散輻射域無用輻射(Unwanted emissions in the spurious domain)
3GPP TS 25.113 基站和直放站電磁兼容性(EMC)(Base Station (BS) and repeater Electro Magnetic Compatibility (EMC))
3GPP TS 36.141 演進的通用陸地無線接入(E-UTRA)；基站一致性測試(Evolved Universal Terrestrial Radio Access (E-UTRA)；Base Station (BS) conformance testing (Release 9))
3 術語、定義和縮略語
3.1 術語和定義
下列術語和定義適用于本文件。
3.1.1
LTE FDD直放站LTE FDD repeater
用于LTE FDD移動通信網的全雙工射頻中繼放大設備，包括無線直放站、光纖直放站、移頻直放站和LTE FDD室內分布系統中的主機、分機、干線放大器等。
3.1.2
無線直放站 wireless repeater
以無線傳輸方式中繼的直放站。
3.1.3
光纖直放站 optical fiber repeater
以光纖傳輸方式中繼的直放站。
3.1.4
移頻直放站 frequency shift repeater
將工作頻率轉換為特定中繼頻率(微波中繼、短波中繼等)后，采用移頻中繼方式進行傳輸的直放站。
3.1.5
寬帶直放站 broadband repeater
在LTE FDD頻段的全部或部分頻段內所有指配載波工作的直放站。
3.1.6
選頻直放站 band selective repeater
在LTE FDD頻段的全部或部分頻段內選擇一個或多個指配載波工作的直放站。
3.1.7
干線放大器 trunk amplifier
通過傳輸線路(電纜或者光纜)直接與施主信源設備相接獲得信號，予以放大再發射至一個室內或室外覆蓋區域的中繼放大器。
3.1.8
室內分布系統 indoor distribution system
通過直放站、功分器、耦合器、干線放大器、光電轉換模塊、室內天線、饋線等將信號分布到建筑物、地下室等各個角落的系統。
3.1.9
下行鏈路 downlink
由基站到移動臺的鏈路。
3.1.10
上行鏈路 uplink
由移動臺到基站的鏈路。
3.2 縮略語
下列縮略語適用于本文件。
ALC Automatic Level Control 自動電平控制
BW Band Width 帶寬
CW Continuous Wave 連續波
EVM Error Vector Magnitude 誤差矢量幅度
EVMDAT EVM of Test Data 測試數據EVM
EVMs EVM of Source 信源本身EVM
MIM0 Multiple-Input Multiple-Output 多入多出系統
NF Noise Figure 噪聲系數
NRB Number of Resource Block 資源塊個數
RB Resource Block 資源塊
RMS Root Mean Square 均方根
4 測量條件及判決依據
4.1 常規測試條件
除特殊規定外，所有測試均應在下列條件下進行。
——溫度：15℃～35℃。
——相對濕度：35％～75％。
4.2 極限測試條件
