CN202759594U - Indoor small repeater with digital field strength indication - Google Patents
Indoor small repeater with digital field strength indication Download PDFInfo
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- CN202759594U CN202759594U CN2012203916073U CN201220391607U CN202759594U CN 202759594 U CN202759594 U CN 202759594U CN 2012203916073 U CN2012203916073 U CN 2012203916073U CN 201220391607 U CN201220391607 U CN 201220391607U CN 202759594 U CN202759594 U CN 202759594U
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Abstract
The utility model relates to the field of mobile communication, and provides an indoor small repeater with digital field strength indication, wherein the indoor small repeater with digital field strength indication reduces the technical difficulty of installation and construction, effectively reduces the labor intensity of engineering and technical personnel, so that the repeater is in the best working state. The indoor small repeater with digital field strength comprises signal downlink routing and signal uplink routing. The signal downlink routing is formed by successively connecting an outdoor antenna, a first duplexer, a downlink signal filter, a downlink low noise amplifier, a downlink signal MLC circuit, a downlink signal ALC circuit, a downlink frequency-selective amplification module, a downlink signal power amplifier, a second diplexer and an indoor antenna. The signal uplink routing is formed by successively connecting an indoor antenna, a second diplexer, an uplink signal filter, an uplink low noise amplifier, an uplink signal MLC circuit, an uplink signal ALC circuit, an uplink frequency-selective amplification module, an uplink signal power amplifier, a first duplexer and an outdoor antenna. A field strength display module is connected between the downlink frequency-selective amplification module and the downlink signal power amplifier.
Description
Technical field
The utility model relates to a kind of moving communicating field, particularly a kind of indoor small-sized repeater with digital field intensity indication.
Background technology
Along with development in science and technology, the repeater is a kind of not enough for remedying the covering of mobile network base station, enlarge base station range, fill a kind of extremely effectively equipment of coverage hole, and indoor small-sized repeater is applicable to more between the high buildings and large mansions in a compact mass in the city.Its applied environment has individual relatively outstanding feature, be exactly because the reinforced concrete of high buildings and large mansions, caused indoor signal strength to decline many than outdoor signal strength with the reasons such as finishing in room, in installation room, just must understand the outdoor signal field intensity during small-sized repeater, with small-sized repeater in this disposed chamber.Engineers and technicians always carried field test instrument and spectrum analyzer carries out field exploring in the past, by calculating again Installation and Debugging.Such work is very tired; Research and develop a kind of indoor small-sized repeater with digital field intensity indication, can effectively reduce labour intensity and the technological difficulties of engineering, shorten installation period, guarantee construction quality, make indoor small-sized repeater be operated in optimum state.
Summary of the invention
Therefore, for above-mentioned problem, the utility model proposes a kind of reduce the technical difficulty of installation, effectively alleviate engineers and technicians' work degree, make the repeater be in the indoor small-sized repeater with the indication of digital field intensity of optimum Working.
For solving this technical problem, the utility model is taked following scheme: a kind of indoor small-sized repeater with digital field intensity indication, comprise signal downlink route and signal uplink route, described signal downlink route is by exterior aerial, first duplexer, the downstream signal filter, descending low noise amplifier, downstream signal MLC circuit, the downstream signal alc circuit, the down frequency selection amplification module, the downstream signal power amplifier, the second duplexer is connected successively with domestic aerial, described downstream signal MLC circuit also connects descending MLC feedback comparison circuit, described downstream signal alc circuit also connects descending ALC feedback comparison circuit, also connect the field intensity display module between described down frequency selection amplification module and the downstream signal power amplifier, described signal uplink route is by domestic aerial, the second duplexer, the upward signal filter, up low noise amplifier, upward signal MLC circuit, the upward signal alc circuit, up frequency-selecting amplification module, the upward signal power amplifier, first duplexer is connected successively with exterior aerial; Described upward signal MLC circuit also connects up MLC feedback comparison circuit, and described upward signal alc circuit also connects up ALC feedback comparison circuit.
Further, described field intensity display module comprises sample of signal unit, wave detector, sampled signal processing unit, A/D converting unit, level conversion unit, display circuit unit and power supply unit, described sample of signal unit, wave detector, sampled signal processing unit, A/D converting unit, level conversion unit and display circuit unit are connected successively, and described power supply unit provides working power for other unit in the field intensity display module.
Further, described display circuit unit is light-emitting diode display or LCD display or digital form display.
By adopting the aforementioned techniques scheme, the beneficial effects of the utility model are: by selective frequency amplifier circuit downstream signal is amplified (perhaps decay) measuring range is dropped on the working frequency points of repeater, the intensity that reflects the downstream signal of position of living in by the field intensity display module, so that engineers and technicians' setting with the means adjustment repeater of most convenient in the shortest time allows repeater work be in best operating state; In whole installation process, engineers and technicians have saved and have carried heavy tester, and complicated testing procedure, have effectively alleviated engineers and technicians' labour intensity.
Description of drawings
Fig. 1 is the theory diagram of the utility model embodiment;
Fig. 2 is the theory diagram of field intensity display module among the utility model embodiment.
Embodiment
Now with embodiment the utility model is further specified by reference to the accompanying drawings.
With reference to figure 1 and Fig. 2, a kind of indoor small-sized repeater with digital field intensity indication of the present utility model, comprise signal downlink route and signal uplink route, described signal downlink route is by exterior aerial 1, first duplexer 2, downstream signal filter 3, descending low noise amplifier 4, downstream signal MLC circuit 5, downstream signal alc circuit 6, down frequency selection amplification module 7, downstream signal power amplifier 8, the second duplexer 9 is connected successively with domestic aerial 10, and described signal uplink route is by domestic aerial 10, the second duplexer 9, upward signal filter 11, up low noise amplifier 12, upward signal MLC circuit 13, upward signal alc circuit 14, up frequency-selecting amplification module 15, upward signal power amplifier 16, first duplexer 2 is connected successively with exterior aerial 1; Described downstream signal MLC circuit 5 also connects descending MLC feedback comparison circuit 17, described downstream signal alc circuit 6 also connects descending ALC feedback comparison circuit 18, described upward signal MLC circuit 13 also connects up MLC feedback comparison circuit 19, described upward signal alc circuit 14 also connects up ALC feedback comparison circuit 20, also connect field intensity display module 21 between described down frequency selection amplification module 7 and the downstream signal power amplifier 8, described field intensity display module 21 comprises sample of signal unit 211, wave detector 212, sampled signal processing unit 213, A/D converting unit 214, level conversion unit 215, display circuit unit 216 and power supply unit 217, described sample of signal unit 211, wave detector 212, sampled signal processing unit 213, A/D converting unit 214, level conversion unit 215 is connected successively with display circuit unit 216, and described power supply unit 217 provides working power for other unit in the field intensity display module 21.
Display circuit unit in the utility model can be the displays such as light-emitting diode display or LCD display or digital form display.
Operation principle of the present utility model is: when exterior aerial 1 receives the downstream signal that the base station is transmitted, be sent to first duplexer 2 by high frequency cable, select downstream signal by first duplexer 2, and downstream signal passed to downstream signal filter 3, spurious signal beyond 3 pairs of downstream signals of downstream signal filter is carried out filtering, pure downstream signal is passed to 4 pairs of downstream signals of low noise amplifier amplify; Consider the fading effect of spacing wave transmission course and fluctuation and the interference that other factor causes, may cause the repeater to be in a unsettled operating state; Requirement has output auto_steady amplitude function, has introduced descending MLC circuit 5 for this reason, and descending alc circuit 6, guarantees that repeater output is at a steady state value; And relevant technical indicator, process by MLC and ALC, transmit the downstream signal that downstream signal has become a pure amplitude stabilization of frequency spectrum by the base station, again through obtaining the more purified signal amplitude very little downstream signal of passband fluctuation that meets the demands of frequency spectrum behind the down frequency selection amplification module 7; Send into again 8 outputs of downstream signal power amplifier, be fed to domestic aerial 10 through the second duplexer 9 and send to the overlay area, finished whole down link; In like manner, up link is received the mobile terminal signal of overlay area by domestic aerial 10, by the second duplexer 9, select upward signal, upward signal is passed to upward signal filter 11 filtering band stray signals, pure upward signal enters up low noise amplifier 12, passes through up MLC circuit 13 and up alc circuit 14 again; Then through obtaining the more purified signal amplitude very little upward signal of passband fluctuation that meets the demands of frequency spectrum behind the up frequency-selecting amplification module 15, send at last upward signal power amplifier 16 output, through first duplexer 2 by exterior aerial 1(BS ANT) be transmitted into the mobile communication base station.
The utility model amplifies (perhaps decay) by selective frequency amplifier circuit to downstream signal drops on the working frequency points of repeater measuring range, the intensity that reflects the downstream signal of position of living in by the field intensity display module, so that engineers and technicians' setting with the means adjustment repeater of most convenient in the shortest time allows repeater work be in best operating state; In whole installation process, engineers and technicians have saved and have carried heavy tester, and complicated testing procedure, have effectively alleviated engineers and technicians' labour intensity.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but the those skilled in the art should be understood that; within not breaking away from the spirit and scope of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (3)
1. indoor small-sized repeater with the indication of digital field intensity, comprise signal downlink route and signal uplink route, it is characterized in that: described signal downlink route is by exterior aerial, first duplexer, the downstream signal filter, descending low noise amplifier, downstream signal MLC circuit, the downstream signal alc circuit, the down frequency selection amplification module, the downstream signal power amplifier, the second duplexer is connected successively with domestic aerial, described downstream signal MLC circuit also connects descending MLC feedback comparison circuit, described downstream signal alc circuit also connects descending ALC feedback comparison circuit, also connects the field intensity display module between described down frequency selection amplification module and the downstream signal power amplifier; Described signal uplink route is connected with exterior aerial successively by domestic aerial, the second duplexer, upward signal filter, up low noise amplifier, upward signal MLC circuit, upward signal alc circuit, up frequency-selecting amplification module, upward signal power amplifier, first duplexer, described upward signal MLC circuit also connects up MLC feedback comparison circuit, and described upward signal alc circuit also connects up ALC feedback comparison circuit.
2. the indoor small-sized repeater with the indication of digital field intensity according to claim 1, it is characterized in that: described field intensity display module comprises sample of signal unit, wave detector, sampled signal processing unit, A/D converting unit, level conversion unit, display circuit unit and power supply unit, described sample of signal unit, wave detector, sampled signal processing unit, A/D converting unit, level conversion unit and display circuit unit are connected successively, and described power supply unit provides working power for other unit in the field intensity display module.
3. the indoor small-sized repeater with the indication of digital field intensity according to claim 2, it is characterized in that: described display circuit unit is light-emitting diode display or LCD display or digital form display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203916073U CN202759594U (en) | 2012-08-08 | 2012-08-08 | Indoor small repeater with digital field strength indication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203916073U CN202759594U (en) | 2012-08-08 | 2012-08-08 | Indoor small repeater with digital field strength indication |
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| Publication Number | Publication Date |
|---|---|
| CN202759594U true CN202759594U (en) | 2013-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203916073U Expired - Fee Related CN202759594U (en) | 2012-08-08 | 2012-08-08 | Indoor small repeater with digital field strength indication |
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| Country | Link |
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| CN (1) | CN202759594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517202A (en) * | 2016-01-26 | 2016-04-20 | 上海智觅智能科技有限公司 | Two-circuit parallel type isolating amplifier circuit |
| CN108847883A (en) * | 2018-07-25 | 2018-11-20 | 苏州阿清智能科技有限公司 | A kind of day messenger bi-directional relaying device and method |
-
2012
- 2012-08-08 CN CN2012203916073U patent/CN202759594U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105517202A (en) * | 2016-01-26 | 2016-04-20 | 上海智觅智能科技有限公司 | Two-circuit parallel type isolating amplifier circuit |
| CN105517202B (en) * | 2016-01-26 | 2018-09-28 | 上海智觅智能科技有限公司 | A kind of two-way parallel connection isolating amplifier circuit |
| CN108847883A (en) * | 2018-07-25 | 2018-11-20 | 苏州阿清智能科技有限公司 | A kind of day messenger bi-directional relaying device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20180808 |