MHT4036-2012 English PDF

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MHT4036-2012: Technical requirements for 1 090 MHz extended squitter automatic dependent surveillance-broadcast ground station (receiver) equipment
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Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
MH/T 4036-2012	29	Add to Cart	3 days	Technical requirements for 1 090 MHz extended squitter automatic dependent surveillance-broadcast ground station (receiver) equipment	Valid

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Basic data

Standard ID: MH/T 4036-2012 (MH/T4036-2012)
Description (Translated English): Technical requirements for 1 090 MHz extended squitter automatic dependent surveillance-broadcast ground station (receiver) equipment
Sector / Industry: Civil Aviation Industry Standard (Recommended)
Word Count Estimation: 1,173
Date of Issue: 29/6/2012
Date of Implementation: 1/11/2012
Issuing agency(ies): Civil Aviation Administration of China

MHT4036-2012: Technical requirements for 1 090 MHz extended squitter automatic dependent surveillance-broadcast ground station (receiver) equipment

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Technical requirements for 1 090 MH z extended squitter automatic dependent surveillance-broadcast ground station (receiver) equipment ICS 03.220.50 V 54 MH Civil Aviation Industry Standard of the People's Republic of China 1 090 MH z extended telegram broadcast automatic correlation monitoring Ground station (receiving) equipment technical requirements 2012-06-29 released 2012-11-01 Implementation Issued by Civil Aviation Administration of China

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the Air Traffic Control Industry Management Office of the Civil Aviation Administration of China. This standard was approved by the Aircraft Airworthiness Certification Department of the Civil Aviation Administration of China. This standard is under the jurisdiction of the China Academy of Civil Aviation Science and Technology. Drafting organizations of this standard. Air Traffic Control Industry Management Office of Civil Aviation Administration of China, Second Research Institute of Civil Aviation Administration of China. The main drafters of this standard. Tian Zhencai, Yang Xiaojia, Ye Jiaquan, Li Gang, Li Jiajie, Wang Yonglei, Li Li, Li Bing. 1 090 MH z extended telegram broadcast automatic dependent surveillance ground station (receiving) Equipment technical requirements

1 Scope

This standard specifies the technical requirements for the 1 090 MH z extended telegram broadcast type automatic correlation monitoring ground station (receiving) equipment. This standard applies to civil aviation 1 090 MH z extended telegram broadcast automatic related surveillance ground station (receiving) equipment planning, design, Manufacturing, construction, inspection and use.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions apply to this document. 3.1.1 Automatic dependent surveillance-broadcast The airborne satellite-based navigation and positioning system generates accurate positioning information of aircraft and other moving targets through specific data links and formats It is a means of receiving and processing periodic automatic monitoring information broadcast and monitoring by specific ground station equipment and (or) other aircraft. 3.1.2 Design life It is estimated that the effective use time of the use function will not be lost when the product is designed. 3.2 Abbreviations The following abbreviations apply to this document. ADS-B automatic dependent surveillance-broadcast (automatic dependent surveillance-broadcast) GNSS global navigation satellite system HDLC high-level data link control MTL minimum triggering level (minimum triggering level)

4 Technical requirements

4.1 Composition 1 090 MH z extended telegram broadcast type automatic correlation monitoring ground station (receiving) equipment consists of receiver, data processing unit, interface, antenna Line, monitoring and maintenance system, power supply module, etc. 4.2 General requirements 4.2.1 The equipment (except antennas) should adopt dual redundant configuration, single output, automatic switching and manual switching, switching should not Affect the continuity and stability of data output. 4.2.2 The equipment should use all solid-state devices, have self-checking function, and have local normal and fault indications. 4.2.3 The mean time between failures (MTBF) of the equipment should be greater than 20 000 h, and the mean time to repair (MTTR) should be less than 0.5 h. 4.2.4 The equipment should be able to work continuously for 24 hours, and the design life of the equipment should be greater than 15 years. 4.2.5 The start-up time of the equipment should not exceed 90 s. 4.2.6 The equipment should be capable of self-starting after the power supply is interrupted and resumed, and should resume normal operation within 90 s without human intervention. 4.2.7 The equipment should have the following GNSS time stamp and position receiving capabilities. --The allowable absolute time error of the time stamp receiving equipment is not more than 10 μs; --The allowable error of horizontal positioning of GNSS position receiving equipment is no more than 10 m, and the allowable error of vertical positioning is no more than 12 m. 4.2.8 The equipment shall support AC and DC power supply. Mainly AC power supply. When the AC power supply is cut off, it should be able to automatically switch to the backup DC power supply (battery) to work without interruption; When the AC power supply is restored, it should be able to automatically restore to the AC power supply state. Both AC and DC power supplies can be connected in parallel at the same time, or they can power the equipment individually. The power module should have overcurrent and overvoltage protection capabilities. Power supply support. AC 220 V±44 V, 45 Hz～63 Hz; DC 24 V or 48 V. 4.2.9 The equipment shall be capable of resisting lightning strikes. 4.2.10 Indoor equipment should be able to operate normally in the following environments. --Working temperature. -10 ℃～45 ℃; --Relative humidity. less than 95% (non-condensing); --Maximum working altitude. not less than 5 000 m above sea level. --All external components of outdoor equipment should be able to work around the clock in the following environments. --Working temperature. -50 ℃～70 ℃; --Maximum working altitude. not less than 5 000 m above sea level; --Wind speed. 0～160 km/h; --Relative humidity. less than 98% (non-condensing); --Rainfall. less than 60 mm/h; --Hail. The diameter is less than 25 mm, and the wind speed is less than 18 m/s; --Salt spray. can work in coastal areas. 4.3 Performance requirements 4.3.1 Maximum range The maximum operating distance of the equipment should not be less than.200 n mile, and the maximum operating distance should not be less than 60 n mile when used alone in the terminal area. 4.3.2 Target processing capability The target processing capacity of the equipment should be greater than 600 batches of targets per second (evenly distributed). 4.3.3 Anti-interference ability Should have the ability to resist multipath interference and co-frequency interference, as well as the ability to distinguish double interleaved codes. 4.3.4 Processing delay The processing delay of the equipment should not be greater than 50 ms. 4.4 Antenna technical requirements 4.4.1 The antenna can be omnidirectional or directional antenna. 4.4.2 The working frequency of the antenna is 1 090 MH z ± 1 MH z. 4.4.3 The antenna polarization mode should be vertical polarization. 4.4.4 The impedance of antenna and feeder is 50 Ω. 4.4.5 The length of the feeder should be configured according to the actual measured data on site, which can meet the requirements of on-site installation. The wave ratio is not more than 1.5.1. 4.5 Receiver technical requirements 4.5.1 Receiver receive information format The content of the ADS-B information format received by the device includes preamble and data blocks, as shown in Figure 1. Figure 1 ADS-B receiver receiving information format 4.5.2 Data format analysis requirements The format of the data block should meet the requirements of RTCA DO-260, RTCA DO-260A, and RTCA DO-260B. The receiver should at least be able to resolve DF17 And DF18, its specific definition is shown in Table 1. 4.5.3 Operating frequency of the receiver The operating frequency of the receiver is 1 090 MH z ± 1 MH z. 4.5.4 Receiver dynamic range The dynamic range of the receiver should not be less than 75 dB. 4.5.5 In-band reception 4.5.5.1 In the range of 1 089 MH z to 1 091 MH z, the MTL of the receiver should not be greater than -85 dBm. 4.5.5.2 In the absence of interference and overlap, when the input signal level is between MTL 3 dBm and the upper limit of the receiver’s dynamic range, connect The correct detection and decoding rate of receiver should not be less than 99.9%. 4.5.5.3 In the absence of interference and overlap, when the input signal level is -88 dBm, the correct detection and decoding rate of the receiver should not be less than 90%. 4.5.5.4 In the absence of interference and overlap, when the input signal level is -91 dBm, the correct detection and decoding rate of the receiver should not be less than 15%. 4.5.6 Receiver out-of-band suppression For out-of-band signals, the receiver should meet the requirements of Table 2 when the correct detection and decoding rate is not less than 90%. 4.5.7 Probability of correct detection When the receiver responds to crosstalk 4,000 times per second, the probability of correct detection should not be less than 90%. 4.5.8 Narrow pulse suppression The receiver should have narrow pulse suppression capability, capable of suppressing the same frequency pulse signal with a width less than 0.3 µs. 4.5.9 GNSS and its extended signal reception and clock synchronization The receiver should have the ability to receive GNSS and its extended signals and synchronize the clock of the local machine. 4.6 Technical requirements for data processing and output 4.6.1 It shall have the ability to decode real-time baseband digital signals and be able to extract ADS-B information. 4.6.2 The ADS-B information cyclic redundancy check (CRC) capability shall be provided to eliminate erroneous reports. 4.6.3 It shall have the ability to process test beacon signals. 4.6.4 The target processing error rate should not exceed 5×10-6 per hour. 4.6.5 The output data format and content should meet the requirements of EUROCONTROL ASTERIX Category 021, and the output data items should include The data content specified in Table 3 has the ability to expand the output of specified data formats such as EUROCONTROL ASTERIX Category 062. 4.6.6 Support the ability to expand the original pulse data output of DF17 and DF18. 4.6.7 The data transmission protocol should include TCP/IP, HDLC. --TCP/IP data interface supports RJ45, supports transmission rate not less than 100 Mbps; --HDLC data interface supports RS-232/RS-422, and supports a transmission rate of not less than 128 kbps. 4.6.8 Technical measures shall be provided to prevent computer viruses, network intrusions, attacks and damages and other items or actions that endanger the equipment network security. 4.7 Monitoring and Maintenance 4.7.1 It is composed of monitoring and maintenance terminals, printers, etc., and shall have functions such as monitoring, maintenance, data recording and playback. 4.7.2 Should have consistent local monitoring and remote monitoring capabilities. 4.7.3 It shall have a friendly human-machine interface, convenient for operation, and capable of hierarchical management of the user's authority. Remind and confirm important operations such as machine switching. 4.7.4 It should be able to collect and analyze data on the main working status of the equipment, make correct judgments on the fault status, and monitor the equipment It is visually displayed on the top. It should be possible to control the working status of the equipment through manual intervention. It shall have the display function of ADS-B data, including at least. --Edit and display of background map; -Target track and sign display; --Ranging (including map ranging, target-to-map ranging and target-to-target ranging); --Target filtering (filtering targets based on information such as flight altitude and distance range). 4.7.5 It should be able to update the system software and configure the device output data format and device parameters. 4.7.6 It shall have data recording and playback functions and be able to print equipment status information. The recorded data should include at least. -Equipment status report; --ADS-B message data output by the device; --Data input from the external interface; --Fault report log. 4.8 Test beacon 4.8.1 The test beacon is used to test the reception performance of the 1 090 MH z extended telegram broadcast automatic correlation monitoring ground station (receiving) equipment and The working conditions for calibration are as follows. --Working frequency. 1 090 MH z±1 MH z; --Output power. less than or equal to 2 W; --Working temperature. -50 ℃～70 ℃; --The transmission information data format is DF18, and its information includes at least target identification, location, and operating status; --Working power supply. AC 220 V±44 V, 45 Hz～63 Hz; DC 24 V or 48 V. 4.8.2 Test beacons shall be selected according to requirements. ......

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