CN102104402A - Intelligent antenna system capable of amplifying gain and being monitored - Google Patents
Intelligent antenna system capable of amplifying gain and being monitored Download PDFInfo
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- CN102104402A CN102104402A CN2010106132612A CN201010613261A CN102104402A CN 102104402 A CN102104402 A CN 102104402A CN 2010106132612 A CN2010106132612 A CN 2010106132612A CN 201010613261 A CN201010613261 A CN 201010613261A CN 102104402 A CN102104402 A CN 102104402A
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Abstract
The invention discloses an intelligent antenna system capable of amplifying a gain and being monitored. The intelligent antenna system capable of amplifying the gain and being monitored comprises an antenna, a first duplexer, a second duplexer, a micro-power amplifier and a low noise amplification unit, wherein the input/output end of the first duplexer is connected with the input/output port of a radio-frequency signal; the downlink output end of the first duplexer is connected with the downlink receiving end of the second duplexer through the micro-power amplifier; the uplink receiving end of the first duplexer is connected with the uplink output end of the second duplexer through the low noise amplification unit; and the input/output end of the second duplexer is connected with the antenna. The intelligent antenna system capable of amplifying a gain and being monitored can reduce line loss, cable cost and construction difficulties, ensure the signal-to-noise ratio of an uplink signal and the signal isolation degree of the system, control the gain of uplink and downlink signals, and ensure the reasonable distribution of signal power.
Description
Technical field
The present invention relates to field of antenna, relate in particular to a kind of antenna system of band gain amplification that can be monitored.
Background technology
Antenna of the prior art all is a kind of passive antenna basically, and such antenna is all many in present a lot of applications.But present this application mode has several very significant disadvantages: 1, when transmission line is long, because the loss meeting of cable is big, cause descending transmit power efficiency to reduce significantly; 2, upward signal signal to noise ratio index worsens; 3, in order to reduce loss, use cable cost height, construction is complicated; 4, antenna power distributes under the uneven situation and can't adjust.
Summary of the invention
The invention provides a kind of antenna system of band gain amplification that can be monitored, its line loss is few, guarantees the upward signal signal to noise ratio, reduces the cable cost.
Technical scheme of the present invention is: a kind of antenna system of band gain amplification that can be monitored comprises antenna, first duplexer, second duplexer, micropower amplifirer and LNA unit;
The input/output terminal of described first duplexer is connected with the input/output port of radiofrequency signal, the down link output of described first duplexer is connected with the down link receiving terminal of described second duplexer by described micropower amplifirer, the up link receiving terminal of described first duplexer is connected with the up link output of described second duplexer by described LNA unit, and the input/output terminal of described second duplexer is connected with described antenna.
The micropower amplifirer of antenna system of the present invention can carry out processing and amplifying to downstream signal, can reduce line loss, has also just reduced cable cost and difficulty of construction accordingly; And the LNA unit can carry out LNA and handle to the upward signal that antenna receives, and guaranteed the upward signal signal to noise ratio; And first duplexer and second duplexer can select uplink and downlink signals, make the present invention can have the good isolation degree, the system that guaranteed self-excitation can not occur; Last micropower amplifirer of the present invention and LNA unit can be controlled the gain of uplink and downlink signals, guarantee the reasonable distribution of signal power.
Description of drawings
Fig. 1 is an antenna system of the present invention structural principle block diagram in one embodiment;
Fig. 2 is an antenna system of the present invention structural principle block diagram in another embodiment.
Embodiment
Below in conjunction with accompanying drawing specific embodiments of the invention are done a detailed elaboration.
As Fig. 1, the antenna system of band gain amplification that can be monitored of the present invention comprises antenna 9, first duplexer 5, second duplexer 8, micropower amplifirer 7 and LNA unit 10;
The input/output terminal of described first duplexer 5 is connected with the input/output port of radiofrequency signal 1, the down link output of described first duplexer 5 is connected by the down link receiving terminal of described micropower amplifirer 7 with described second duplexer 8, the up link receiving terminal of described first duplexer 5 is connected by the up link output of described LNA unit 10 with described second duplexer 8, and the input/output terminal of described second duplexer 8 is connected with described antenna 9;
Wherein the signal of down link trend is: described first duplexer 5 receives the radiofrequency signal of described input/output port 1 output, and output to described micropower amplifirer 7 after selecting downstream signal, 7 pairs of downstream signals of described micropower amplifirer carry out outputing to described second duplexer 8 after the processing and amplifying, after described second duplexer 8 is selected downstream signal once more, the downstream signal of selecting is launched by described antenna 9;
The signal trend of up link is: described antenna 9 received signals, and the signal that receives is transferred to described second duplexer 8, described second duplexer 8 is selected upward signal and is outputed to described LNA unit 10, LNA through described LNA unit 10 outputs to described first duplexer 5 after handling (signal amplification and introducing noise is little), and described first duplexer 5 sends signal to main equipment by described input/output port 1 after selecting upward signal once more.
In order better uplink and downlink signals to be carried out Filtering Processing, so that obtain purer signal, as Fig. 2, the present invention also comprises downstream filter 6 and upstream filter 11, described downstream filter 6 is connected between the down link output and described micropower amplifirer 7 of described first duplexer 5, and described upstream filter 11 is connected between the up link receiving terminal of described LNA unit 10 and described first duplexer 5.
In addition, for antenna system of the present invention is carried out remote monitoring, management and power supply, guarantee the ease for operation and the ease for maintenance of system; As Fig. 2, the present invention also comprises block isolating circuit 2, current monitoring circuit 3, Power Management Unit 4, supervisory circuit 13 and coupling circuit 12;
Described block isolating circuit 2 is connected between the input/output terminal of described input/output port 1 and described first duplexer 5; The power input of described current monitoring circuit 3 is connected between described input/output port 1 and the described block isolating circuit 2, and the power output end of described current monitoring circuit 3 is connected with the power end of described micropower amplifirer 7 and the power end of described LNA unit 10 respectively through Power Management Unit 4; One end of described supervisory circuit 13 is connected with described current monitoring circuit 3, and the other end is connected between the input/output terminal of described block isolating circuit 2 and described first duplexer 5 through described coupling circuit 12;
Power supply (is considered the power and the remote power feeding of system, this power supply adopts 48V or 12V power supply, avoid adopting the 5V power supply, long apart from loss) and radiofrequency signal pass through input/output port 1 and enter into antenna system of the present invention, by block isolating circuit 2 radiofrequency signal and power supply are separated, radiofrequency signal is through block isolating circuit 2 to first duplexers 5, power supply arrives Power Management Unit 4 through current monitoring circuit 3, Power Management Unit is done the DC/DC conversion to power supply, is converted into correspondent voltage and exports to micropower amplifirer 7 and LNA unit 10;
This shows that the present invention can realize remote monitoring and management, guarantee the ease for operation and the ease for maintenance of system; In addition, the present invention adopts the mode of feeder line feed that power supply is offered LNA unit 10 and micropower amplifirer 7, has solved the problem of entire antenna system power supply, no longer needs to have simplified the design of system for antenna system of the present invention provides power supply separately again.And the present invention with one can independent operating system and antenna be fused to together, the simplified system design, the cost and the energy are saved in convenient construction and installation.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (3)
- One kind can be monitored the antenna system that amplifies of band gain, comprise antenna, it is characterized in that, also comprise first duplexer, second duplexer, micropower amplifirer and LNA unit;The input/output terminal of described first duplexer is connected with the input/output port of radiofrequency signal, the down link output of described first duplexer is connected with the down link receiving terminal of described second duplexer by described micropower amplifirer, the up link receiving terminal of described first duplexer is connected with the up link output of described second duplexer by described LNA unit, and the input/output terminal of described second duplexer is connected with described antenna.
- 2. the antenna system of band gain amplification that can be monitored according to claim 1, it is characterized in that: also comprise downstream filter and upstream filter, described downstream filter is connected between the down link output and described micropower amplifirer of described first duplexer, and described upstream filter is connected between the up link receiving terminal of described LNA unit and described first duplexer.
- 3. the antenna system of band gain amplification that can be monitored according to claim 1 and 2 is characterized in that: also comprise block isolating circuit, current monitoring circuit, Power Management Unit, supervisory circuit and coupling circuit;Described block isolating circuit is connected between the input/output terminal of described input/output port and described first duplexer; The power input of described current monitoring circuit is connected between described input/output port and the described block isolating circuit, and the power output end of described current monitoring circuit is connected with the power end of described micropower amplifirer and the power end of described LNA unit respectively through Power Management Unit; One end of described supervisory circuit is connected with described current monitoring circuit, and the other end is connected between the input/output terminal of described block isolating circuit and described first duplexer through described coupling circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106132612A CN102104402A (en) | 2010-12-29 | 2010-12-29 | Intelligent antenna system capable of amplifying gain and being monitored |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106132612A CN102104402A (en) | 2010-12-29 | 2010-12-29 | Intelligent antenna system capable of amplifying gain and being monitored |
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| CN102104402A true CN102104402A (en) | 2011-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010106132612A Pending CN102104402A (en) | 2010-12-29 | 2010-12-29 | Intelligent antenna system capable of amplifying gain and being monitored |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377503A (en) * | 2018-04-03 | 2018-08-07 | 广州供电局有限公司 | Signal cladding system, signal covering system and field deploying method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034910A (en) * | 2006-03-08 | 2007-09-12 | 鸿富锦精密工业（深圳）有限公司 | Wireless receiving and transmission system |
| CN201039169Y (en) * | 2007-04-24 | 2008-03-19 | 福建三元达通讯有限公司 | A multi-channel radio repeater |
-
2010
- 2010-12-29 CN CN2010106132612A patent/CN102104402A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034910A (en) * | 2006-03-08 | 2007-09-12 | 鸿富锦精密工业（深圳）有限公司 | Wireless receiving and transmission system |
| CN201039169Y (en) * | 2007-04-24 | 2008-03-19 | 福建三元达通讯有限公司 | A multi-channel radio repeater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377503A (en) * | 2018-04-03 | 2018-08-07 | 广州供电局有限公司 | Signal cladding system, signal covering system and field deploying method |
| CN108377503B (en) * | 2018-04-03 | 2024-02-02 | 广州供电局有限公司 | Signal coverage device, signal coverage system and field deployment method |
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Application publication date: 20110622 |