CN1553200A - Integrated unitary standing-wave ratio measuring module design method - Google Patents
Integrated unitary standing-wave ratio measuring module design method Download PDFInfo
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- CN1553200A CN1553200A CNA031342671A CN03134267A CN1553200A CN 1553200 A CN1553200 A CN 1553200A CN A031342671 A CNA031342671 A CN A031342671A CN 03134267 A CN03134267 A CN 03134267A CN 1553200 A CN1553200 A CN 1553200A
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Abstract
A measurement module is designed as the follows, digital/analog convertor having high accuracy and high resolution ratio and microprocessor in high performance are applied to carry on in real time the measurement of stationary wave ratio for antenna feeder line system on various different communication equipment and the measurement of radio frequency power for various different modulated waveform.
Description
Technical field: the present invention relates to a kind of novel integrated SWR measurement modular design method in a kind of microwave communication and the mobile communication engineering field.
Background technology: in microwave communication and moving communicating field, the standing-wave ratio (SWR) of system equipment and antenna feeder is a crucial parameter, the load matched situation of the communication facilities of its reflection and the transfer efficiency of radio-frequency power, especially at the radio-frequency (RF) power amplification output terminal between the antenna feeder, the coupling of transmission seems particularly important, if standing-wave ratio (SWR) is less, power can be transferred to load expeditiously, if standing-wave ratio (SWR) is excessive, not only transfer efficiency is low, but also can work the mischief severe patient even can damage system equipment to system equipment.So, measurement to the standing-wave ratio (SWR) of microwave or mobile communication equipment system each several part is very necessary, conventional method all adopt very expensive professional antenna feeder testing tool by the professional in the device fabrication process or the project installation scene system's each several part is tested.Recovery system connection again powered up work, but can't finish the system dynamics monitoring in system's operate as normal after test was finished, and the dynamic monitoring system standing-wave ratio (SWR) then is to check microwave or the requisite work of the normal steady operation of mobile communication system.
Summary of the invention: the purpose of this invention is to provide a kind of novel integrated SWR measurement modular design method, it can carry out on-line automatic measurement to the standing-wave ratio (SWR) of communication system equipment and antenna feeder, while outputting alarm information, and contain communication interface, be convenient to the system integration, improve the operational reliability of communication system, in time send failure message.
The object of the present invention is achieved like this, a kind of novel integrated SWR measurement modular design method is provided, it is characterized in that: a kind of novel integrated SWR measurement modular design method, it is characterized in that: its internal hardware is electrically connected to form by RF bidirectional coupling mechanism, power sensor circuit, analog to digital conversion circuit, microcontroller circuit, keystroke interface circuit, communication interface circuit, alarm interface circuit and display interface circuit and power circuit; External interface has rf input port, radio frequency delivery outlet, power interface, communication interface, alarm interface.
Described standing-wave ratio (SWR) on-line measurement modular device adopt high linear power sensor circuit and at a high speed 12 bit resolutions touch the number conversion circuit, in conjunction with the microprocessor Control Software, can measure the standing-wave ratio (SWR) of communication system equipment and antenna feeder comparatively accurately.
Its internal hardware is made up of RF bidirectional coupling mechanism, power sensor circuit, analog to digital conversion circuit, microcontroller circuit, keystroke interface circuit, communication interface circuit, warning circuit and display interface circuit and power circuit.This standing-wave ratio (SWR) on-line measurement modular device adopt high linear power sensor circuit and at a high speed 12 bit resolutions touch the number conversion circuit, in conjunction with the microprocessor Control Software, can measure the standing-wave ratio (SWR) of communication system equipment and antenna feeder comparatively accurately; He can also carry out online in real time measurement and alarm automatically to radio-frequency power in the standing-wave ratio (SWR) of measuring communication system equipment and antenna feeder, and the outputting alarm signal uses for communications device monitors simultaneously; Microprocessor is as the core circuit of this measurement module device, and corresponding control programs software is contained in inside; Whole module adopts surface mounting technology, two-sided high frequency printed circuit board material, totally enclosed metal shell.External interface has rf input port, radio frequency delivery outlet, power interface, communication interface, alarm interface.Owing to adopt special EMC Design and surface mounting technology, so this communication facilities terminal monitoring modular device reliability height, electromagnetic radiation is little, anti-electromagnetic interference capability is strong.
The characteristics of radio frequency of the present invention are: this novel integrated SWR measurement modular design method, and it has 1, volume is little, can be integrated in the communication facilities; 2, measuring accuracy height; 3, can carry out online in real time to the communication system standing-wave ratio (SWR) measures; 4, feedback system duty and warning information can be judged to communication system and antenna feeder standing-wave ratio (SWR); 5, the reliability height is easy to use.
The present invention will be further described below in conjunction with embodiment:
Description of drawings:
Fig. 1 is that the embodiment of the invention is at the Application in Communication Systems synoptic diagram;
Fig. 2 is a SWR measurement modular device schematic block circuit diagram of the present invention;
Among the figure: 1, mobile communication base station equipment; 2, SWR measurement modular device; 3, antenna; 4, connect antenna; 5, power lead; 6, alarm data line; 7, bidirectional coupler; 8, power sensor circuit; 9, power circuit; 10, analog to digital conversion circuit; 11, keystroke interface circuit; 12 communication interface circuits; 13, alarm interface circuit; 14, display interface circuit; 15 microcontroller circuits; 16 1 groups of folk prescriptions are to connecting line; 17 1 groups of twocouese data lines.
Embodiment:
The principle of work of embodiment of the invention Fig. 1 is as follows: as shown in the figure, this SWR measurement modular device 2 is connected in the emitting antenna mouth of mobile communication base station equipment 1, and between the emitting antenna 3, the descending power signal of mobile communication base station equipment 1 emission is delivered in this standing-wave ratio (SWR) monitoring modular device 2, emissive power by 2 pairs of mobile communication base station equipments 1 of this standing-wave ratio (SWR) monitoring modular device is measured in real time, measure the reflective power of antenna feeder simultaneously, calculate corresponding standing-wave ratio (SWR) then, and judge whether working state of system is normal.And the working status parameter of mobile communication base station equipment 1 is sent in the supervisory system of mobile communication base station 1.By installing this SWR measurement modular device 2 additional, can monitor the standing-wave ratio (SWR) of mobile communication base station equipment 1 antenna feeder and the emissive power of mobile communication base station equipment 1 in real time.
The principle of work of embodiment of the invention Fig. 2 is as follows: rf power signal is sent in the bidirectional coupler 7, be coupled out forward power and backward power signal by bidirectional coupler 7, and then deliver in the power sensor circuit 8 and convert rf power signal to analog voltage signal, then analog voltage signal is delivered to again and carried out analog-converted in the analog to digital conversion circuit 10, digital signal after the conversion is delivered to microcontroller circuit 15 again, operation has control program in the microcontroller circuit 15, can handle sampled data.Alarm signal is delivered to alarm interface circuit 13, simultaneously also result is delivered in the display interface circuit 14, show measurement result, keystroke interface circuit 11 can control program the method for operation, this module contains communication interface circuit 12, data processed result can be delivered to main watch-dog by communication interface circuit 12, main watch-dog also can pass through communication interface circuit 12 data query results, and power circuit 9 provides essential power supply for each element circuit of this SWR measurement modular device 2.
Claims (6)
1, a kind of novel integrated SWR measurement modular design method, it is characterized in that: its internal hardware is electrically connected to form by RF bidirectional coupling mechanism, power sensor circuit, analog to digital conversion circuit, microcontroller circuit, keystroke interface circuit, communication interface circuit, alarm interface circuit and display interface circuit and power circuit; External interface has rf input port, radio frequency delivery outlet, power interface, communication interface, alarm interface.
2, a kind of novel integrated SWR measurement modular design method according to claim 1, it is characterized in that: this standing-wave ratio (SWR) on-line measurement modular device adopt high linear power sensor circuit and at a high speed 12 bit resolutions touch the number conversion circuit, in conjunction with the microprocessor Control Software, can measure the standing-wave ratio (SWR) of communication system equipment and antenna feeder comparatively accurately.
3, a kind of novel integrated SWR measurement modular design method according to claim 1, it is characterized in that: he can also carry out online in real time measurement and alarm automatically to radio-frequency power in the standing-wave ratio (SWR) of measuring communication system equipment and antenna feeder, and the outputting alarm signal uses for communications device monitors simultaneously.
4, a kind of novel integrated SWR measurement modular design method according to claim 1, it is characterized in that: microprocessor is as the core circuit of this measurement module device, and corresponding control programs software is contained in inside.
5, a kind of novel integrated SWR measurement modular design method according to claim 1 is characterized in that: whole module adopts surface mounting technology, two-sided high frequency printed circuit board material, totally enclosed metal shell.
6, a kind of novel integrated SWR measurement modular design method according to claim 1, it is characterized in that: the SWR measurement modular device is connected in the emitting antenna mouth of mobile communication base station equipment, and between the emitting antenna 3, the descending power signal of mobile communication base station equipment 1 emission is delivered in this standing-wave ratio (SWR) monitoring modular device, by this standing-wave ratio (SWR) monitoring modular device the emissive power of mobile communication base station equipment is measured in real time, measure the reflective power of antenna feeder simultaneously, calculate corresponding standing-wave ratio (SWR) then, and judge whether working state of system is normal; And the working status parameter of mobile communication base station equipment is sent in the supervisory system of mobile communication base station 1; By installing this SWR measurement modular device additional, can monitor the standing-wave ratio (SWR) of mobile communication base station equipment antenna feeder and the emissive power of mobile communication base station equipment in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031342671A CN1553200A (en) | 2003-06-03 | 2003-06-03 | Integrated unitary standing-wave ratio measuring module design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031342671A CN1553200A (en) | 2003-06-03 | 2003-06-03 | Integrated unitary standing-wave ratio measuring module design method |
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| CN1553200A true CN1553200A (en) | 2004-12-08 |
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| CNA031342671A Pending CN1553200A (en) | 2003-06-03 | 2003-06-03 | Integrated unitary standing-wave ratio measuring module design method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909428B (en) * | 2005-08-04 | 2010-06-09 | 中兴通讯股份有限公司 | Standing-wave ratio alarm detecting device in GSM impellent system for enhancing data speed |
| CN101312576B (en) * | 2007-05-23 | 2011-12-21 | 上海国欣科技发展有限公司 | Centralized monitoring device with antenna feedback lines and control method thereof |
| CN101541034B (en) * | 2008-03-18 | 2012-04-11 | 中兴通讯股份有限公司 | Method and device for authenticating standing-wave ratio alarm |
| CN103063908A (en) * | 2009-08-27 | 2013-04-24 | 珠海银邮光电技术发展股份有限公司 | Method of detecting mobile communication system antenna standing wave ratio by radio frequency identification devices (RFID) |
-
2003
- 2003-06-03 CN CNA031342671A patent/CN1553200A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1909428B (en) * | 2005-08-04 | 2010-06-09 | 中兴通讯股份有限公司 | Standing-wave ratio alarm detecting device in GSM impellent system for enhancing data speed |
| CN101312576B (en) * | 2007-05-23 | 2011-12-21 | 上海国欣科技发展有限公司 | Centralized monitoring device with antenna feedback lines and control method thereof |
| CN101541034B (en) * | 2008-03-18 | 2012-04-11 | 中兴通讯股份有限公司 | Method and device for authenticating standing-wave ratio alarm |
| CN103063908A (en) * | 2009-08-27 | 2013-04-24 | 珠海银邮光电技术发展股份有限公司 | Method of detecting mobile communication system antenna standing wave ratio by radio frequency identification devices (RFID) |
| CN103063908B (en) * | 2009-08-27 | 2015-06-10 | 珠海银邮光电技术发展股份有限公司 | Method of detecting mobile communication system antenna standing wave ratio by radio frequency identification devices (RFID) |
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