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Requirements and measurement methods of electromagnetic compatibility for cellular mobile telecommunications equipment. Part 14: LTE user equipment and ancillary equipment
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YD/T 2583.14-2013
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Detail Information of YD/T 2583.14-2013; YD/T2583.14-2013
Description (Translated English): Requirements and measurement methods of electromagnetic compatibility for cellular mobile telecommunications equipment. Part 14: LTE user equipment and ancillary equipment
Sector / Industry: Telecommunication Industry Standard (Recommended)
Classification of Chinese Standard: M04
Classification of International Standard: 33.100
Word Count Estimation: 24,240
Quoted Standard: GB 9254-2008; GB 17625.1; GB 17625.2; GB/T 17626.2; GB/T 17626.3; GB/T 17626.4; GB/T 17626.5; GB/T 17626.6; GB/T 17626.8; GB/T 17626.11; GB/T 17626.29; GB/T 21437.2; GB/T 22451; GB/T 6133.104-2008; YD/T 1483; YD/T 1484; 3GPP TS 36.101; 3GPP TS 36.508; ITU
Adopted Standard: ETSI TS 136.124, NEQ
Drafting Organization: ?MIIT and Telecommunications Research Institute
Administrative Organization: China Communications Standards Association
Regulation (derived from): Ministry of Industry and Information Technology Bulletin No. 38 of 2013
YD/T 2583.14-2013
Requirements and measurement methods of electromagnetic compatibility for cellular mobile telecommunications equipment.Part 14. LTE user equipment and ancillary equipment
LCS 33.100
M 04
YD
People 's Republic of China Communication Industry Standard
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and
Measurement methods
Part 14 LTE user equipment and its auxiliary equipment
Requirements and measurement methods of electromagnetic
Compatibility for cellular mobile telecommunications equipment
Part 14. LTE user equipment and ancillary equipment
2013-07-22 release.201 3-07-22 implementation
Issued by the Ministry of Industry and Information Technology of the People 's Republic of China
Directory
Preface
1 Scope
2 normative reference documents
3 terms, definitions and abbreviations
3.1 Terms and definitions
3.2 Abbreviations
4 test conditions
4.1 General conditions
4.2 Test arrangement
4.3 Narrowband response of the receiver
4.4 free frequency band
Performance Evaluation Method
5.1 General
5.2 You can establish a continuous communication connection EUT
5.3 EUTs for continuous communication connections can not be established
5.4 EUT (packet data/transmission) for non-continuous communication links only
5.5 Evaluation of the applicable method of auxiliary equipment
5.6 Classification of EUT
6 performance criteria
6.1 General rules
6.2 Performance Criteria A (Persistent)
6 3 Performance Criterion B (Transient)
6.4 Performance Criteria C (Intermittent Phenomenon)
7 Applicability
7.1 Harassment measurement
7.2 Immunity test
8 harassment measurement methods and limits
8.1 Radiation spurious (chassis port)
8,2 radiation continuous harassment (auxiliary equipment chassis port)
8.3 Conduction Continuous Harassment (DC Power Input/Output Port)
8.4 Conduction Continuous Harassment (AC Power Input, Output Port)
8.5 Conduction Continuous Harassment (Telecommunication Port)
8.6 Harmonic current (AC power input port)
8.7 Voltage fluctuation and flicker (AC power input port)
8.8 Transient Conducted Harassment (DC Power Input/Output Port)
9 Methods and grades of immunity test
9.1 Radiation disturbance immunity test (80MHz ~ 2700MHz)
9.2 Electrostatic Discharge Immunity Test
9.3 Electrical fast transient burst immunity test
9 4 Radio frequency field sensing conducted disturbance Immunity (0.15MHz ~ 80MHz)
9.5 Transient and Surge Immunity Test (Car Environment)
9.6 Voltage sags and short interruptions
9.7 Surge (impact) immunity test
9.8 Power frequency magnetic field immunity test
Appendix A (Normative Appendix) Performance Test Method for Voice Calls - Audio Breakthrough
Appendix B (Normative Appendix) Performance Test for Data Transmission - Percentage of Throughput
Preface
This section is part 14 of the series of standards for electromagnetic compatibility performance requirements and measurement methods for cellular mobile communication equipment,
This series of standards includes the following.
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 1. Base station and its auxiliary equipment
With the request
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 2. User equipment and ancillary equipment
Of the general requirements
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 3. Multi - system base stations and their auxiliary
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 4. Multimode terminals and ancillary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 5. 900/1800 MHz TDMA
Station and its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 6. 900/1800 MHz TDMA
Equipment and its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 7. 2 GHz TD - SCDMA base station and
Its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 8. 2 GHz TD - WCDMA subscriber settings
Equipment and its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 9. 2 GHz WCDMA base station and its
Auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 10. 2 GHz WCDMA/subscriber settings
Equipment and its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 11. 800 MHz/2 GHz
Cdma2000 base station and its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 12. 800 MHz/2 GHz
Cdma2000 user equipment and its auxiliary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 13. LTE base stations and their ancillary equipment
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and methods of measurement - Part 14. LTE user equipment and their assistance
equipment
This section mainly refers to ETSI TS 136.124 "LTE. Evolved Universal Terrestrial Radio Access (E-UTRA); Mobile End
End and its auxiliary equipment, electromagnetic compatibility requirements "to develop.
This part of the China Communications Standardization Association proposed and centralized.
This part of the drafting unit. Ministry of Industry and Information Technology Telecommunications Research Institute, ZTE Corporation, Huawei Technologies Limited
Company, Shanghai Bell Co., Ltd., Nanjing Ericsson Panda Communication Co., Ltd.
The main drafters of this part. Wang Hongbo, Yang Jun, Qu Pengfei, Zhang Xinghai, Xie Yuming, Sun Qing, Zhang Ke, Chen Wequn.
Cellular mobile communication equipment - Electromagnetic compatibility - Performance requirements and measurement methods
Part 14. LTE user equipment and its auxiliary equipment
1 Scope
This section specifies the electromagnetic compatibility requirements for LTE digital mobile communication system user equipment and its auxiliary equipment, including limits
Value, performance criteria and measurement methods.
This part applies to the user equipment equipment and auxiliary equipment of LTE digital mobile communication system.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated version applies
In this document. For undated references, the latest edition (including all modifications) applies to this document.
Information technology equipment - Radio disturbance thresholds and methods of measurement GB 9254-2008
GB 17625.1 Low-voltage electrical and electronic equipment issued by the harmonic current limit (equipment per phase input current ≤ 16A)
GB 17625.2 Electromagnetic compatibility limits For devices with a rated current not exceeding 16A in a low voltage supply system
Pressure fluctuation and flicker
Electromagnetic compatibility - Test and measurement techniques - Electrostatic discharge immunity test GB/T
Electromagnetic compatibility test and measurement techniques - Radio frequency electromagnetic field radiation immunity test GB/T
GB/T 17626.4 Electromagnetic compatibility test and measurement techniques Electrical fast transient burst immunity test
GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test
GB/T 17626.6 Electromagnetic compatibility test and measurement techniques Radio frequency field sensing conducted disturbances Immunity
Electromagnetic compatibility (EMC) - Test and measurement techniques - Power frequency magnetic field immunity test GB/T
GB/T 17626.11 Electromagnetic compatibility test and measurement technology Voltage sags, short interruptions and voltage variations Immunity test
GB/T 17626.29 Electromagnetic compatibility test and measurement technology DC power input port voltage sag, short interrupt and voltage
Variant immunity test
GB/T 21437.2 Electrical harassment of road vehicles caused by conduction and coupling Part 2; Electrical transients conducted along power lines
GB/T 22451 Radio communication equipment - Electromagnetic compatibility requirements and methods of measurement - Part 1. General requirements
Radio disturbance and immunity - Measurement equipment and methods of measurement - Specification - Part 1-4. Radio Siren.
Disturbance and immunity measurement equipment auxiliary equipment radiation harassment
Technical requirements and measurement methods for spurious emission of radio equipment YD/T 1483
Test Method for Radio Frequency Radiated Power and Receiver Performance in Mobile Space
3GPP TS 36.101 Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE)
Radio transmission and reception
Evolved Universal Terrestrial Radio Access (E-UTRA); User Equipment (UE) Radio Transmission and Reception
3GPP TS 36.508 Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal
Terrestrial Radio Access Network (E-UTRAN); Common test environments for
User Equipment (UE) conformance testing
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network
(E-UTRAN); User Equipment (UE) conformance test common test environment
3GPP TS 36.509 Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal
Terrestrial Radio Access Network (E-UTRAN); Terminal logical test interface;
Special conformance testing functions
Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN);
User equipment (UE) special consistency test function
ITU-T R P.64 Telephone transmission quality, timulator, Local line networks,
Objective electro-acoustical measurements
Sensitivity/frequency characteristics of local telephone systems
Telephone transmission quality, telephone facilities, local network, objective electro-acoustic measurement methods. Local telephone system spirit
Determination of sensitivity and frequency characteristics
3 terms, definitions and abbreviations
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1
Auxiliary equipment Ancillary Equipment
The equipment used to connect with the wireless communication device, and at the same time satisfy the following conditions.
A) is connected to a wireless communication device to provide additional operational and/or control characteristics. For example. to extend the control to the other
position.
B) independent of the use of wireless communication equipment can not provide a separate user function.
C) The connected wireless communication device can perform predetermined operations such as transmission and/or reception without this auxiliary device. (which is
Auxiliary devices are not subunits of the basic functions of the master device.
3.1.2
Average Power Average Power
The average output power obtained by the transmitter within the determined slot, which includes when the transmit slot is at the maximum power setting
, The average transmit output power obtained at a specified time interval (including no signal transmission).
3.1.3
Camping on a Cell
The user equipment is in an idle state, and the selection and re-selection process for the cell has been completed. User equipment can monitor the system
System information and paging information. Owing to the limited scope of services, public land mobile communications (PLMN) may not be aware of
To the presence of the user device.
3.1.4
Channel Bandwidth
The transmission bandwidth of the E-UTRA single carrier is configured in the cellular uplink and the downlink. The channel bandwidth unit is
MHz, which provides a reference for the RF equipment of the transmitter and receiver.
3.1.5
Continuous Disturbance
The effects on a particular device can not be clearly distinguished from the electromagnetic interference of a series of effects.
3.1.6
Data Application Auxiliary Device
It is possible to provide an auxiliary device for transmitting and receiving data by the user equipment intervening universal mobile communication system (L) MTS.
3.1.7
Enclosure Port
The physical boundary of the device, where the electromagnetic field radiates or invades. The physical boundaries of the plugins are defined by the host unit.
3.1.8
Host Equipment
Do not need to connect wireless communication equipment can be fully operational function of any device. The wireless communication device just offers extra
Features.
3.1.9
End User Data End-User Data
The manufacturer defines the data pattern for the data transfer test. A typical application characteristic of the user representing the device under test (eg, Fig
Like, video, documents and information, etc.).
3.1.10
Idle mode idle mode
The user device is turned on but no RRC connection is established.
3.1.11
Port port
The specific interface between the device (device) and the external electromagnetic environment is shown in Figure 1.
3.1.12
Integral Antenna
This type of antenna is designed for non-applicable additional connectors connected to the wireless communication device and the antenna is part of the device. Integration
The antenna can be built-in or external to the device. For such devices, the antenna port and the chassis port are equivalent.
3.1.13
Maximum Throughput
The maximum number of data (in bits, bytes, packets, etc.) that successfully transmit data for a reference test channel over a unit time
Unit measurement).
3.1.14
Necessary Bandwidth
For certain radiations, the frequency required to guarantee the transmission of information rates and to meet the quality requirements of a particular situation
Rate bandwidth.
3.1.15
Out of Band Emissions
Additional radiation caused by the modulation process, at a single frequency or multiple frequencies other than the necessary bandwidth, excluding spurs
emission.
Note. Radiation with a center frequency less than 250% of the necessary bandwidth is known as out-of-band radiation.
3.1.16
Spurious emission Spurious Emission
Necessary bandwidth or a single frequency or multiple frequency of harassment, can be divided into two kinds of conduction and radiation.
3.1.17
Telecommunication Port
The device is directly connected to the port of the telecommunication network.
3.1.18
Throughput
In a particular environment for the reference test channel per second can be successfully received a valid data bit.
3.1.19
Transient Phenomena Transient Phenomena
A harassment within a short time interval can not be resolved into two consecutive steady states.
3.1.20
Traffic Mode
The user equipment is on and establishes a connection with the radio resource control module.
3.1.21
Universal Mobile Telecommunications System (UMTS)
A fusion of mobile cellular technology and other technologies of the telecommunications system, 3GPP specification is the object of study.
3.1.22
User equipment (UE)
A mobile device entity that can access UMTS services through one or more wireless interfaces. In the UMTS service area
, When the UMTS service is accessed, the entity may be stationary or moving, and may serve one or more
Households.
3.2 Abbreviations
The following abbreviations apply to this document.
AC Alternating Current
BCCH Broadcast Control Channel
BS Base Station
BSS Base Station System Base station system
BTS Base Transceiver Station
CCCH Common Control Channel
CW Continuous Wave continuous wave
DC Direct Current
DL Down Link Downlink (from base station to user device)
Non - continuous transmission
EMC Electro Magnetic Compatibility
EPC Evolved Packet Core Evolved Packet Core Network
ERP Ear Reference Point
Electrostatic discharge
EUT Equipment Under Test
FDD Frequency Division Duplex
FRC Fixed Reference Channel Fixed reference channel
LISN Line Impedance Stabilizing Network
MRP Mouth Reference Point (artificial head) mouth reference point (artificial head)
PCCPCH Primary Common Control Physical Channel
RF radio frequency
Rms Root mean square root mean square
RRC Radio Resource Control
SS System Simulator System Simulator
SPL Sound Pressure Level
TCH Traffic channel
TDD Time Division Duplex
UARFCN UTRA Absolute Radio Frequency Channel Number Absolute radio channel number
UE User Equipment
UL Up Link (From UE to BTS) uplink (from user equipment to base station)
Universal Mobile Telecommunication System
UTRA Universal Terrestrial Radio Access Universal Terrestrial Wireless Access
4 test conditions
4.1 General conditions
The equipment under test shall be tested in a normal test environment. If the test conditions are uncertain, the manufacturer should provide information
The humidity, temperature and supply voltage of the equipment under test. These test conditions should be documented in the test report.
When the antenna of the equipment under test is detachable, unless otherwise specified, the test arrangement shall, as the case may be,
Nearly normal or typical actual operating state.
If the EUT is part of the system or connected to the auxiliary equipment, then in the test, EUTJ ~ connected to the smallest typical configuration
Of the auxiliary equipment, and the auxiliary device connected to the port must be activated.
In the test work mode and configuration should be accurately recorded in the test report.
If the device has a large number of ports, you must pick a sufficient number of ports to ensure that you can simulate the actual situation and different types
Of the port can be tested.
Before the test, the EUT is in the maximum power emission state and confirm its maximum total radiation power value. The test method is shown in YD/T
1484, the test results are recorded in the test report.
4.2 Test arrangement
The RF input signal frequency should be selected from the appropriate E-UTRA absolute RF channel number.
A suitable base station simulator (also referred to herein as a test system) may be used to establish a communication link. Base station simulator should
Placed outside the test environment.
See Appendix B for details on the general call setup process and throughput test fall.
- set and send continuous and effective TPC (transmission power control) command to the user equipment;
- prohibit discontinuous emissions;
- to deal with the uplink power control;
- The transmit and/or receive data rate of the reference test channel shall refer to the reference in Appendix C of 3GPP TS 36.101
Measuring channels and the parameters described in Table 7.3.1-1 and Table 7.3.1-2;
- appropriate test methods should be taken to avoid the impact of interfering signals on the test equipment;
- For the immunity test, in order to provide a stable communication link, the effective input signal should be set higher than the reference
Test sensitivity of 40 dB or more;
- For transmit test, the valid input signal should be set above 15dB above the reference sensitivity so that
The performance of the test receiver is not interfered with by strong signals.
When the test equipment is in idle mode, the following conditions should be met.
- The user equipment should be in a cell-resident state;
- The user equipment should complete the location registration before the test, rather than during the testing process;
- the user's neighbor cell list should be empty;
- The paging repetition period and the DRX cycle should be set to the minimum value (the shortest time interval);
In the case of immunity tests, the following test arrangements need to be met.
- Equipment should be tested under conventional conditions;
- Test configuration should be as close as possible to practical application;
- If the equipment is part of the system or with ancillary equipment, it can be docked with minimal configuration of the auxiliary equipment.
Test equipment to test;
- If the device has many ports, a certain number of ports should be selected to simulate the actual operating environment to ensure that
All different types of terminals;
- Test conditions, test configurations and operating modes should be recorded in the test report;
- Ports in normal operating mode should also be connected to auxiliary equipment or typical cables to simulate the input and output of auxiliary equipment
Characteristics, RF input and output ports should also be tested as terminals;
- No ports for connecting cables in service modes such as service connectors, programming connectors, temporary connectors, etc.
Connect to other cables for EMC testing. These ports should be connected to cables or extended interconnect cables to test the equipment
Take precautions to ensure that the assessed values of the equipment under test are not subject to interference from these additional extension cables;
- Separate the test methods for the transmitter and receiver. But in the actual test, the test equipment of the transmitter
And the receiver can be done at the same time to save time.
- The immunity will be tested in the following two modes.
- establishes the mode of the communication link (service mode).
- Idle mode
The immunity test will cover the contents of Section 4.3, and the test conditions are as follows.
4.3 Narrowband response of the receiver
The narrowband response generated by the receiver and receiver/transmitter during the discrete frequency test is determined by the following method.
- In the immunity test, the narrowband response and broadband phenomena of the user equipment receiver or test system are likely to cause
The equipment under test failed. In this case, further judgment is required; therefore, the test frequency is offset by one
Times channel bandwidth, repeat test;
- if the test equipment failure does not disappear, then the test frequency offset 2 times the channel bandwidth, repeat the test;
- if the signal indicator tolerance with the frequency increase or decrease still does not disappear, it is considered a broadband phenomenon, that is subject to
Test equipment failed to pass the test.
Narrowband response should be ignored.
4.4 free frequency band
The free frequency band is the frequency band that does not carry out the radiation immunity test.
The auxiliary equipment does not have a free frequency band.
4.4.1 Receiver free frequency band
The lowest frequency of the receiver's frequency band is the center frequency of the lowest carrier frequency minus 85 MHz, the highest frequency is the highest carrier frequency
Of the center frequency plus 85MHz.
4.4.2 Transmitter free frequency band
The transmitter's frequency band is reduced by 2.5 times the operating bandwidth of the transmitter.
Performance Evaluation Method
5.1 General
With the GB/T 22451-2008 5.1.
GB/T 22451-2008 5.1 mentioned in the receiver before the demodulator of the IF filter bandwidth related content discomfort
Used in the scope of this standard wireless equipment.
The manufacturer shall, before submitting the equipment for testing, in addition to the requirements mentioned in 5.1 of GB/T 22451-2008,
Provide the following test information and record it in the report.
- general information on auxiliary equipment working in conjunction with the equipment under test;
- the humidity, temperature and voltage range of the equipment under test;
5.2 You can establish a continuous communication connection EUT
With GB/T 22451.2008 5.2.
The test conditions and signals defined in Chapter 4 are applicable to the equipment under test and the equipment under which the auxiliary equipment is attached.
Communication link. Device performance tests based on voice calls and data transfer are described in detail in Chapter 6.
5.3 EUTs for continuous communication connections can not be established
With the GB/T 22451.2008 5.3.
5.4 EUT (packet data/transmission) for non-continuous communication links only
If the EUT can not establish and maintain a communication link in an EMC test, the manufacturer needs to define a performance evaluation method.
Manufacturers also need to provide a way to observe EUT performance degradation.
5.5 Evaluation of the applicable method of auxiliary equipment
With the GB/T 22451-2008 of 5.4.
The auxiliary equipment connected to the EUT shall be tested. If the auxiliary equipment must be used in conjunction with the EUT, then the auxiliary
The device should be tested in conjunction with the EUT.
5 6 Classification of EUT
With the GB/T 22451-2008 5.5.
6 performance criteria
6.1 General rules
The EUT shall comply with the minimum performance criteria specified below.
The communication connection should be evaluated by an indicator, which may be part of the test system or the EUT.
If the EUT has certain attributes that are not included in the following performance criteria, the manufacturer shall, in the test report,
Its own specification to be declared. The manufacturer's specifications should also include acceptable performance levels as well as the test process (or test knot)
After the performance of the deterioration of the content, etc., manufacturers provide performance criteria should be able to provide the same level of interference with the norms
Degree of protection.
In addition, the test should be carried out in idle mode to ensure that the transmitter should not be misused.
After the test and the test, the communication link can be maintained.
For the immunity test of the auxiliary equipment, if there is no separate pass or fail to pass the criteria, the receiver or /
Are connected together to determine whether the auxiliary device passes or does not pass.
The use of automotive power supply UE, should also meet the provisions of this standard on the vehicle UE.
The use of AC power supply of the UE, should also meet the provisions of the standard fixed table.
6.2 Performance Criteria A (Persistent)
A communication link should be established prior to testing and a communication connection should be maintained during the test.
In the data transfer mode, the throughput should reach 95% of the maximum throughput of the reference test channel.
For voice services, when passing through an audio bandpass filter (BPF) with a center frequency of 1 kHz and a bandwidth of.200 Hz
Line measurements, the uplink and downlink speech output levels should be at least 35 dB lower than the recorded reference level.
Note. When the background noise is high, the filter bandwidth can be reduced to a minimum of 40Hz.
After the test, the equipment under test should be able to work normally without loss of user control function or loss of stored data,
Hold communication connection.
In addition to confirming the above performance in the business mode, the next test should be carried out in the idle mode. During the test, the transmitter does not
Should be misplaced.
6.3 Performance Criterion B (Transient)
A communication link should be established before the test.
After the test, the user equipment can not detect the deterioration of the communication quality that the user can perceive during the communication process
If the entire test consists of a series of small tests, after the test, the test equipment should be no user control function loss
And the loss of stored data, and the communication connection can be maintained.
In addition to confirming the above performance in the business mode, the next test should be carried out in the idle mode. During the test, the transmitter does not
Should be misplaced.
6.4 Performance Criteria C (Intermittent Phenomenon)
In the test, the performance can be degraded, the function can be lost; EUT transmitter in the idle state should not be misuse.
After the test, the function can be restored by the operator, after recovery, the performance is not degraded, EUT can run normally.
7 Applicability
7.1 Harassment measurement
Harassment measurement items in Table 1.
7.2 Immunity test
The immunity test items are shown in Table 2.
8 harassment measurement methods and limits
8.1 Radiation spurious (chassis port)
8.1.1 Measurement method
The measurement method of this project is carried out according to the relevant contents of YD/T 1483.
In order to avoid near-field interference, the measurement distance of radiation spurious is recommended ≥ 3m.
The test site should use the whole anechoic chamber, the site performance to meet the requirements of GB/T 6113.104.
The EUT uses the normal supply voltage to allow the EUT to function properly.
The EUT is placed on a non-conductive bracket. The power supply should be connected to the EUT via the RF filter to avoid power and cables
Affect the measurement results.
If the EUT is a non-integrated antenna, the antenna output port should be terminated with a 50Ω load.
The EUT should be fully powered.
The radiated spurious of the chassis measures the peak output power level of the wireless signal at the chassis port, and the radiation is useful for the corresponding information
The signal is excluded from this measurement.
The influence of useful signal overload on the measuring equipment should be prevented during the measurement.
8.1.2 Limit values
8.1.2.1 Business model
The limit is shown in Table 3.
8.1.2.2 Idle mode
Limit values are shown in Table 4
8.2 Radiation continuous harassment (chassis of auxiliary equipment)
8.2.1 General conditions
Measurements should be made in the mode of maximum harassment when the EUT is operating normally.
The measured continuous radiation of the radiation should be maximized, for example by moving the EUT cable.
8.2.2 Measurement method
When the auxiliary device is measured with the EUT, the transmitter/transceiver operating frequency is increased by 2.5 times the radiation within the operating bandwidth
The launch should be ignored, but should be recorded in the test report. The impact of transponder straying should be eliminated during the test.
Measurements should be made in the typical configuration of the auxiliary equipment.
30MHz ~ 1000MHz measured by GB 9254. 1GHz ~ 6GHz measurement, to meet the GB/T 6113.104-2008
Section 8 of the test site, in accordance with GB/T 6113.203-2008 Section 7.3 of the test method, the measurement bandwidth of
1MHz.
1GHz ~ 6GHz measurement should be used with the average and peak detector spectrum analyzer (or receiver), EUT
Should meet both the mean and peak limits in Table 8, and if the test results under the peak detector are satisfied
The average value of the limit requirements, that EUT meet the above two limits of the requirements, you do not have to use the average detector into the
Line measurement.
8.2 3 limits
The limits are shown in Table 5 and Table 6.
8.3 Conduction Continuous Harassment (DC Power Input/Output Port)
8.3.1 Measurement method
Measurements are made according to GB 9254.
This measurement item is applicable to EUT and DC cables used in vehicles for more than 3 m EUT.
If the EUT's DC cable is less than 3m and is a dedicated Ac power supply to the DC power supply cable, the measurement is only 8.5
On the AC input port specified.
When quasi-peak detection is used, the result is that the equipment meets the requirements of the two limits,
And then averaged detection.
The DC output port should be connected to the load of the rated current of the extraction power supply via AMN.
The measuring receiver is connected to each AMN measurement port in turn to record the continuous disturbance level. Not measured
AMN measurement port should be terminated 50n load. The reference ground of the AMN is applied as short as possible with the reference ground plate
even.
The measuring receiver shall comply with the requirements in GB/T 6113.101.
8.3.2 limits
The limit is shown in Table 7.
8.4 Conduction Continuous Harassment (AC Power Input/Output Port)
8.4.1 Measurement method
The measurement is carried out according to GB 9254 and the AMN is connected to the AC power supply.
8.4 2 limits
EUT's conducted harassment limits, see Table 8.
8.5 Conduction Continuous Harassment (Telecommunication Port)
8.5.1 Measurement method
Measurements are made according to GB 9254.
8.5.2 limits
The limits are shown in Table 9.
8.6 Harmonic current (AC power input port)
8.6.1 Measurement method
Measurements are made according to GB 17625.1.
8.6.2 Limits
The use of GB 17625.1 Class A equipment limits.
8.7 Voltage fluctuation and flicker (AO power input port)
8.7.1 Measurement method
Measurements are made according to GB 17625.2.
8.7.2 limits
Using the corresponding limits in GB 17625.2.
8.8 Transient Conducted Harassment (DC Power Input/Output Port)
8.8.1 Measurement method
The test is carried out according to GB/T 21437.2.
8.8 2 limits
EUT's transient conduction disturbances are shown in Table 10.
9 Methods and grades of immunity test
9.1 Radiation disturbance immunity test (80MHz ~ 2700MHz)
9.1.1 Test methods and grades
The test method shall be in accordance with GB/T 17626.3, subject to the following requirements.
A) the test should be carried out in the frequency range 80MHz ~ 2700MHz;
B) The harassing signal is subjected to 80% amplitude modulation with a 1 kHz sinusoidal audio signal, and the test level should be 3V/m;
C) 80MHz ~ 1GHz frequency band scanning frequency step is not greater than the previous frequency of 1%, 1GHz ~ 2.7GHz frequency band frequency
The scanning step is not greater than 0.5% of the previous frequency;
D) If the receiver or receiver, which is part of the transceiver, is a narrowband response at a discrete frequency point,
response.
E) The frequency of the narrowband response should be recorded in the test report.
9.1.2 Performance Criteria
Performance Criteria A of this Section 6 applies to these Terms.
9.2 Electrostatic Discharge Immunity Test
9.2.1 Test methods and grades
The test method shall be carried out according to GB/T 17626.2.
Should meet the following requirements.
For contact discharge, the equipment should be able to pass ± 2kV and ± 4kV test grade;
For air discharge, the equipment should be able to pass ± 2kv, ± 4kV and ± 8kV test grade.
9.2.2 Performance Criteria
The performance criterion B of this Section 6.3 applies to these Terms.
9.3 Electrical fast transient burst immunity test
9.3.1 Test methods and grades
Fixed and its auxiliary equipment Ac power port, signal/communication/control port and DC power port connection cable over
3m should be carried out this test project.
The manufacturer may use a cable longer than 3m to declare that certain ports are not tested, and that these ports are not tested
Responsible for recording in the test report.
Measurements shall be made in the typical configuration of the device under test or in a typical configuration where the equipment under test and the auxiliary equipment are combined.
The test method shall be carried out in accordance with GB/T 17626.4, subject to the following requirements.
A) Signal/communication/control port test level for the open circuit voltage 0.5kV;
B) DC power input/output port of the test level for the open circuit voltage 1kV;
C) The test level of the AC power input port is open circuit voltage 1kV.
9.3.2 Performance criteria
The performance criterion B of this Section 6.3 applies to these Terms.
9.4 Radio Frequency Inductive Conduction Disturbance Immunity (0.15MHz ~ 80MHz)
9 4.1 Test methods and grades
Fixed, vehicle and its auxiliary equipment AC power port, signal, telecommunications, control port and DC power port
This test item should be carried out when the cable is over 3m.
The test shall be carried out in accordance with GB/T 17626.6 and shall meet the following requirements.
A) Test the preferred CDN injection method, if the CDN injection method is not applicable to use clamp force method (electromagnetic clamp or current clamp)
B) The test signal is 80% amplitude modulated by a 1 kHz audio signal;
C) In the frequency range of 150 kHz to 80 MHz, the step of increasing the frequency does not exceed 1% of the previous frequency;
D) Test level is 3Vrms.
9.4.2 Performance criteria
The Performance Criteria A of Part 6.2 apply to these Terms.
9.5 Transient and Surge Immunity Test (Car Environment)
9.5.1 Test methods and grades
The test shall be carried out on the DC power input port of the UE and its auxiliary equipment in the vehicle environment.
The test is carried out according to GB/T 21437.2.
The test grade is shown in Table 11, Table 12.
9.5.2 Performance Criteria
The performance criterion B of this Section 6.3 applies to these Terms. During the pilot process, the communication link does not need to be maintained, but in the test
After the re-establishment.
9.6 Voltage sags and short interruptions
9.6.1 Test methods and grades
9.6.1.1 AC power test method and grade
The test was carried out in accordance with GB/T 17626.11.
Voltage sag immunity test level.
A) The supply voltage drops by 100%. Duration 10ms;
B) the supply voltage drops by 100% for a duration of 20ms;
C) the supply voltage drops by 30% for a duration of 500ms;
Voltage short-term interrupt immunity test level.
Supply voltage drop 100%, duration 5s.
9.6.1.2 DC power supply test method and grade
The test was carried out according to GB/T 17626.29. If the EUT has a backup power supply or a dual power supply, it should be in the backup power supply or
Dual power supply in the case of work to test.
The test grade is shown in 9.7.2.2.
Performance Criteria
9.6.2.1 AC power performance criteria
For a 100% reduction in voltage, a duration of 10ms, a 100% drop in voltage, a duration of 20ms and a voltage drop
Low 30% of the duration of the voltage drop of 500ms, the performance of this part of Section 6.3 B applies to the terms of this clause, if it appears
The communication link is interrupted or the loss of user data should be recorded in the test report.
For voltage reduction of 100%, the duration of 5s of the voltage interrupt, should use the following performance criteria.
A) If the UE is equipped with a rear battery or connected to a back-up battery, the performance criterion B of this section 6.3 applies to this
Terms;
B) If the UE is powered only by the AC power supply (no back-up battery is used), then the performance criterion C of this section 6 4 applies to this
Terms.
The communication connection is interrupted or the user data is lost and should be recorded in the test report.
9.6.2.2 DC power supply performance criteria
The DC power performance criteria are shown in Table 13, Table 14, and Table 15.
9.7 Surge (impact) immunity test
9.7.1 Test methods and grades
The test method shall be carried out in accordance with GB/T 17626.5. The following requirements should also be met.
A) The test level for the AC power port should be 2 kV (line to ground), 1 kV (wire pair).
B) For telecommunications ports connected directly to an outdoor cable, the test level shall be 1 kV (wire-to-ground), but if the EUT is electrical
The test level of the center equipment shall be 0.5 kV (wire-to-ground). for cables connected to the indoor cable and connected to a cable length greater than 10 m
Of the telecommunications port, the test level should be 0.5kV (line to ground).
C) The test level on the DC power supply line should be 1 kV (wire-to-ground), 0.5 kV (wire-to-wire).
D) The test waveform is 1 2/50us.
9.7.2 Performance Criteria
The performance criterion B of this Section 6.3 applies to these Terms.
9.8 Power frequency magnetic field immunity test
9.8.1 Test methods and grades
This test item is only applicable to EUTs with magnetic field sensitive devices. See GB/T 17626.8 for test methods.......
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