CN103108348A - Method for reflecting alarm and protecting repeater system - Google Patents
Method for reflecting alarm and protecting repeater system Download PDFInfo
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- CN103108348A CN103108348A CN2011103612059A CN201110361205A CN103108348A CN 103108348 A CN103108348 A CN 103108348A CN 2011103612059 A CN2011103612059 A CN 2011103612059A CN 201110361205 A CN201110361205 A CN 201110361205A CN 103108348 A CN103108348 A CN 103108348A
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- alarm
- reflection
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- monitoring host
- reflecting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method for reflecting alarm and protecting a repeater system and relates to a repeater system in the wireless communication field. A power amplifier is used for amplifying signals. The amplified signals are filtered through a ratio frequency filter. A reflecting coupling circuit is used to carry out reflecting power coupling by the signals after being filtered. Then the signals are emitted out as forms of electromagnetic waves through a radiator. A reflecting power Pr sent by the reflecting coupling circuit is detected through a monitoring server micro-programmed control unit (MCU) and compared and calculated with a rated emitting power Pt stored by a storage device inside the monitoring server MCU, and then according the calculated result, reflecting warn and protection provided or not are judged. Due to the fact that the method for reflecting alarm and protecting the repeater system is only capable of detecting the reflecting power and no detecting a transmitting power, a rate of reflection false alarm is reduced. According to the method for reflecting alarm and protecting the repeater system, a first class alarm and a second class alarm are used for reflecting alarm, when the first class alarm is produced, the ratio frequency access is closed, and the power amplifier is in effective protection.
Description
Technical field
The present invention relates to the direct discharging station in wireless communication field, particularly a kind of method of direct discharging station reflection alarm and protection.
Background technology
The repeater belongs to the frequency multiplying arrangement, refers to play in the wireless communication transmissions process a kind of radio transmission transferring equipment that signal strengthens.The basic function of repeater is exactly a radio-frequency signal power enhancer.In direct discharging station, the bad meeting of antenna-feedback system causes the equipment reflection power to increase, and generally can reduce the power output of equipment, can cause the equipment open circuit even to burn out when serious.So in direct discharging station, reflection power alarm and protection become an important function, and realize that this function usual way is to detect the situation of antenna-feedback system to reach the purpose of protection with this parameter of standing-wave ratio.
At present, the standing wave alarm method as shown in Figure 1, is by detection of reflected and transmitting power, then passes through relational expression:
, RL=Pr-Pt(RL represents return loss, Pr represents reflection power, Pt represents transmitting power) detect and calculate, in this relational expression, there are two variable Pr and Pt, which detects is forbidden all can have influence on the accuracy of standing wave, the middle low power of practical application simultaneously (35dBm is following) transmitter, it is inaccurate that standing wave detects, so the situation of mistake alarm occurring also can increase with regard to corresponding, cause the attendant to waste a large amount of time and energy, many mobile communication equipment websites are built far place in simultaneously, safeguard more difficult.
Summary of the invention
The object of the invention is to overcome existing above-mentioned deficiency in prior art, provide a kind of direct discharging station that reduces the probability of reflection mistake alarm to reflect the method for alarm and protection.
In order to realize the foregoing invention purpose, the invention provides following technical scheme:
A kind of method of direct discharging station reflection alarm and protection; utilize the power amplifier amplifying signal; amplifying signal is carried out filtering through radio-frequency filter; filtered signal utilizes the reflection coupling circuit to carry out the reflection power coupling; launch with electromagnetic form through transmitting antenna again; monitoring host computer MCU detects the reflection power Pr that is sent by the reflection coupling circuit; and compare calculating with the specified transmitting power Pt of storing device stores in described monitoring host computer MCU, then judgement provides whether reflect alarm and protection according to result of calculation.
Preferably, in the method for above-mentioned direct discharging station reflection alarm and protection, when described monitoring host computer MCU detected Pr more than or equal to Pt-9.5, described monitoring host computer MCU produced the secondary warning.
Preferably, in the method for above-mentioned direct discharging station reflection alarm and protection, when described monitoring host computer MCU detected Pr more than or equal to Pt-6, described monitoring host computer MCU produced the one-level warning, and closes radio-frequency power amplifier, and power amplifier is protected.
Preferably; in the device of the method for above-mentioned direct discharging station reflection alarm and protection; comprise for the monitoring host computer MCU that calculates, the power amplifier that is connected with monitoring host computer MCU; described power amplifier is connected with radio-frequency filter; described radio-frequency filter is connected with the reflection coupling circuit; described reflection coupling circuit is connected with transmitting antenna, and described reflection coupling circuit is connected with monitoring host computer MCU.
Preferably, in the device of the method for above-mentioned direct discharging station reflection alarm and protection, described monitoring host computer MCU is monitoring slave or FPGA.
Compared with prior art, beneficial effect of the present invention:
1, the method due to the reflection alarm of a kind of direct discharging station of the present invention and protection only detects reflection power, and the rated output power of bonding apparatus calculates, and determines the reflection alarming mechanism, and transmitting power is not detected, and reduces to reflect the probability of mistake alarm;
2 and the present invention Level 1Alarming and secondary alarming threshold are adopted in the reflection alarm, close radio frequency path when producing Level 1Alarming, power amplifier is effectively protected.
Description of drawings:
Direct discharging station reflection alarm method and device schematic diagram in Fig. 1 prior art.
Fig. 2 is the schematic diagram of the method for a kind of direct discharging station reflection alarm of the present invention and protection.
Mark in figure: 1-monitoring host computer MCU, 2-power amplifier, 3-radio-frequency filter, 4-reflecting antenna, 5-reflection coupling circuit, 101-amplifier, 102-filter, 103-coupler, 104-antenna, 105-MCU.
Embodiment
The present invention is described in further detail below in conjunction with test example and embodiment.But this should be interpreted as that the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology that realizes based on content of the present invention all belong to scope of the present invention.
Embodiment 1
A kind of method of direct discharging station reflection alarm and protection, radiofrequency signal is amplified through power amplifier 2, and amplifying signal is carried out filtering through radio-frequency filter 3, and filtered signal is launched with electromagnetic form through transmitting antenna 4, reaches the purpose of wireless coverage.The present invention provides whether reflect alarm and protection by adding reflection coupling circuit 5 to carry out reflection power coupling, then reflection power Pr being delivered to after calculating in monitoring host computer MCU1 between radio-frequency filter 3 and transmitting antenna 4.In monitoring host computer MCU1; store the rated output power Pt of equipment; requirement according to the equipment protection grade; according to actual requirement of engineering; produce the secondary alarm when Pr=Pt-9.5; so when monitoring host computer MCU1 detected Pr more than or equal to Pt-9.5, described monitoring host computer MCU1 produced the secondary warning.
The device of the method for above-mentioned direct discharging station reflection alarm and protection; as shown in Figure 2; comprise for the monitoring host computer MCU1 that calculates; with connected power amplifier 2; described power amplifier 2 is connected with radio-frequency filter 3; described radio-frequency filter 3 is connected with reflection coupling circuit 5, and described reflection coupling circuit 5 is connected with transmitting antenna 4, and described reflection coupling circuit 5 is connected with monitoring host computer MCU1.Described monitoring host computer MCU is monitoring slave or FPGA.
Embodiment 2
A kind of method of direct discharging station reflection alarm and protection, radiofrequency signal is amplified through power amplifier 2, and amplifying signal is carried out filtering through radio-frequency filter 3, and filtered signal is launched with electromagnetic form through transmitting antenna 4, reaches the purpose of wireless coverage.The present invention provides whether reflect alarm and protection by adding reflection coupling circuit 5 to carry out reflection power coupling, then reflection power Pr being delivered to after calculating in monitoring host computer MCU1 between radio-frequency filter 3 and transmitting antenna 4.In monitoring host computer MCU1; store the rated output power Pt of equipment; requirement according to the equipment protection grade; according to actual requirement of engineering; produce Level 1Alarming when Pr=Pt-6, so when monitoring host computer MCU1 detected Pr more than or equal to Pt-6, described monitoring host computer MCU1 produced the one-level warning; and close radio-frequency power amplifier 2, power amplifier is protected.
The device of the method for above-mentioned direct discharging station reflection alarm and protection; as shown in Figure 2; comprise for the monitoring host computer MCU1 that calculates; with connected power amplifier 2; described power amplifier 2 is connected with radio-frequency filter 3; described radio-frequency filter 3 is connected with reflection coupling circuit 5, and described reflection coupling circuit 5 is connected with transmitting antenna 4, and described reflection coupling circuit 5 is connected with monitoring host computer MCU1.Described monitoring host computer MCU is monitoring slave or FPGA.
Claims (5)
1. the method for direct discharging station reflection alarm and protection, utilize the power amplifier amplifying signal, amplifying signal is carried out filtering through radio-frequency filter, filtered signal utilizes the reflection coupling circuit to carry out the reflection power coupling, launch with electromagnetic form through transmitting antenna again, it is characterized in that, monitoring host computer MCU detects the reflection power Pr that is sent by the reflection coupling circuit, and compare calculating with the specified transmitting power Pt of storing device stores in described monitoring host computer MCU, then judgement provides whether reflect alarm and protection according to result of calculation.
2. the method for direct discharging station reflection alarm according to claim 1 and protection, is characterized in that, when described monitoring host computer MCU detected Pr more than or equal to Pt-9.5, described monitoring host computer MCU produced the secondary warning.
3. the method for direct discharging station reflection alarm according to claim 1 and protection, is characterized in that, when described monitoring host computer MCU detected Pr more than or equal to Pt-6, described monitoring host computer MCU produced the one-level warning, and closes radio-frequency power amplifier.
4. direct discharging station according to claim 1 reflects the device of the method for alarm and protection; it is characterized in that; comprise for the monitoring host computer MCU that calculates, the power amplifier that is connected with monitoring host computer MCU; described power amplifier is connected with radio-frequency filter; described radio-frequency filter is connected with the reflection coupling circuit; described reflection coupling circuit is connected with transmitting antenna, and described reflection coupling circuit is connected with monitoring host computer MCU.
5. the device of the method for direct discharging station reflection alarm according to claim 4 and protection, is characterized in that, described monitoring host computer MCU is monitoring slave or FPGA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103612059A CN103108348A (en) | 2011-11-15 | 2011-11-15 | Method for reflecting alarm and protecting repeater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103612059A CN103108348A (en) | 2011-11-15 | 2011-11-15 | Method for reflecting alarm and protecting repeater system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103108348A true CN103108348A (en) | 2013-05-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103612059A Pending CN103108348A (en) | 2011-11-15 | 2011-11-15 | Method for reflecting alarm and protecting repeater system |
Country Status (1)
| Country | Link |
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| CN (1) | CN103108348A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743589A (en) * | 2016-04-06 | 2016-07-06 | 西安澳通电讯技术股份有限公司 | Online detection method for insertion losses and standing waves of radio frequency device and feeder |
| CN109756243A (en) * | 2018-12-27 | 2019-05-14 | 深圳市有方科技股份有限公司 | Antenna detection device and antenna detection method |
Citations (5)
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| CN1368642A (en) * | 2001-02-05 | 2002-09-11 | 华为技术有限公司 | Circuit and method for detecting standing wave |
| CN1633197A (en) * | 2003-12-24 | 2005-06-29 | 中兴通讯股份有限公司 | An apparatus and method for implementing base station antenna standing-wave ratio alarm |
| WO2008043299A1 (en) * | 2006-10-10 | 2008-04-17 | Huawei Technologies Co., Ltd. | A method and a device of measuring standing wave ratio |
| CN101651503A (en) * | 2009-08-28 | 2010-02-17 | 上海华为技术有限公司 | Method and device for detecting standing wave ratio of weather feedback system |
| CN102215074A (en) * | 2011-06-03 | 2011-10-12 | 京信通信系统（中国）有限公司 | Power and standing-wave radio detection device and method |
-
2011
- 2011-11-15 CN CN2011103612059A patent/CN103108348A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1368642A (en) * | 2001-02-05 | 2002-09-11 | 华为技术有限公司 | Circuit and method for detecting standing wave |
| CN1633197A (en) * | 2003-12-24 | 2005-06-29 | 中兴通讯股份有限公司 | An apparatus and method for implementing base station antenna standing-wave ratio alarm |
| WO2008043299A1 (en) * | 2006-10-10 | 2008-04-17 | Huawei Technologies Co., Ltd. | A method and a device of measuring standing wave ratio |
| CN101651503A (en) * | 2009-08-28 | 2010-02-17 | 上海华为技术有限公司 | Method and device for detecting standing wave ratio of weather feedback system |
| CN102215074A (en) * | 2011-06-03 | 2011-10-12 | 京信通信系统（中国）有限公司 | Power and standing-wave radio detection device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105743589A (en) * | 2016-04-06 | 2016-07-06 | 西安澳通电讯技术股份有限公司 | Online detection method for insertion losses and standing waves of radio frequency device and feeder |
| CN109756243A (en) * | 2018-12-27 | 2019-05-14 | 深圳市有方科技股份有限公司 | Antenna detection device and antenna detection method |
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Application publication date: 20130515 |