CN102572860A - Realization method for indoor distribution system, indoor distribution system and corresponding equipment - Google Patents
Realization method for indoor distribution system, indoor distribution system and corresponding equipment Download PDFInfo
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Abstract
The invention discloses a realization method for an indoor distribution system, the indoor distribution system and corresponding equipment, relates to the technical field of communication. According to the invention, the technical problem that the output power of an antenna in the indoor distribution system cannot meet the indoor signal coverage requirement in the prior art is solved. The method comprises the following steps: distinguishing indoor signals and outdoor signals in receiving signals; calculating the indoor and outdoor signal strength difference according to the indoor signals and the outdoor signals; and adjusting the output power of output signals according to the indoor and outdoor signal strength difference and a preset difference threshold value. The embodiment of the invention is mainly used in the indoor distribution system.
Description
Technical field
The present invention relates to wireless communication technology in the communications field, particularly, relate to a kind of implementation method of indoor distributed system, a kind of indoor distributed system and relevant device.
Background technology
Indoor distributed system is mainly used in each place that the signal of signal source reasonably is distributed in interior of building, and then realizes the purpose of covering.
The implementation of existing indoor distributed system mainly adopts repeater and passive compartment system network's mode.That is: after the repeater receives the signal source of macro base station, signal source is amplified, distribute power through power splitter, coupler again, and will distribute the signal behind the power to be delivered to terminal antenna,, and then make signal cover the neighboring area again by antenna output through feeder line.
But there is following problem at least in the scheme of prior art: no matter be the shared cover indoor distributed system of 2G/3G network or WLAN (Wireless Local Area Networks, WLAN), can't satisfy the demand that the heterogeneous networks signal covers; And some network signal loss is big, occur indoor signal easily and cover not problem comprehensively, if but increase indoor signal blindly, it is outdoor again indoor signal to be leaked to, and then possibly influence outdoor signal, even outdoor signal is caused interference etc.
Summary of the invention
First purpose of the present invention is the implementation method that proposes a kind of indoor distributed system, can adaptive adjustment power output, and satisfy indoor signal and cover demand.
Second purpose of the present invention is to propose a kind of monitor board, can help to realize adaptive adjustment power output.
The 3rd purpose of the present invention is to propose a kind of antenna, can adaptive adjustment power output, and satisfy indoor signal and cover demand.
The 4th purpose of the present invention is to propose a kind of indoor distributed system, can adaptive adjustment power output, and satisfy indoor signal and cover demand.
For realizing above-mentioned first purpose, according to an aspect of the present invention, a kind of implementation method of indoor distributed system is provided, comprising: identification receives indoor signal and the outdoor signal in the signal; According to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber; Export the power output of signal according to said indoor and outdoor signal strength difference and preset difference threshold adjustment.
Preferably, in said method, said indoor signal comprises: the indoor signal of one or more network; Said preset difference threshold comprises: corresponding preset difference threshold with said one or more network;
Wherein, for the indoor signal of any network in said one or more network:
Above-mentionedly be: the indoor and outdoor signal strength difference of calculating said network according to the indoor signal and the said outdoor signal of said network according to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber;
Above-mentioned power output according to said indoor and outdoor signal strength difference and preset difference threshold adjustment output signal comprises: the power output of adjusting the output signal of said network according to the indoor and outdoor signal strength difference and the preset difference threshold of corresponding said network of said network.
For realizing above-mentioned second purpose, according to another aspect of the present invention, a kind of monitor board is provided, comprising: identification module is used for discerning indoor signal and the outdoor signal that receives signal; Computing module is used for according to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber; Adjusting module is used for according to the power output of said indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
Particularly, above-mentioned identification module comprises: recognition unit is used to identify the indoor signal of one or more network; The aforementioned calculation module, the indoor signal of any network that is used for identifying, the indoor and outdoor signal strength difference of calculating said network according to the indoor signal and the said outdoor signal of said network for recognition unit; Above-mentioned adjusting module; The indoor signal of any network that is used for identifying for recognition unit, the indoor and outdoor signal strength difference of the said network that calculates according to said computing module and the power output that the preset difference threshold of corresponding said network is adjusted the output signal of said network.
For realizing above-mentioned the 3rd purpose, according to another aspect of the present invention, a kind of antenna is provided, comprise signal plate, digiboard, the RF power amplification unit, synthesizer, the antenna receiving-sending device, the wavelength division multiplexing unit, power supply, and this antenna also comprises: above-mentioned monitor board.
For realizing above-mentioned the 4th purpose, according to another aspect of the present invention, a kind of indoor distributed system is provided, this system comprises main control computer and at least one antenna;
Wherein, above-mentioned main control computer is used for for any antenna, receive according to the residing position of said antenna, and the preset difference threshold that is provided with respectively to one or more network, and said preset difference threshold is synchronized to said antenna;
Above-mentioned antenna; Be used to receive signal; Discern indoor signal and outdoor signal in the said reception signal; According to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber, and according to the power output of said indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
In the scenarios that the present invention implements to provide; Antenna can be according to signal strength difference inside and outside indoor signal that identifies and the outdoor signal counting chamber, and according to the power of platform indoor and outdoor signal strength difference adjustment output signal, has solved in the prior art; Because what the antenna power output fixedly caused influences outdoor signal; Or technical problem such as the indoor signal coverage condition is undesirable, and then obtained and to have adjusted power output automatically according to the Strength Changes of indoor and outdoor signal; Can satisfy indoor signal and cover, can not influence the technique effect of outdoor signal again.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the implementation method embodiment one flow process sketch map of the indoor distributed system according to the present invention;
Fig. 2 is the implementation method embodiment two flow process sketch mapes of the indoor distributed system according to the present invention;
Fig. 3 is the presetting method sketch map of difference threshold among the implementation method embodiment two of the indoor distributed system according to the present invention;
The sketch map of Fig. 4 for becoming more meticulous and cover among the implementation method embodiment two of indoor distributed system according to the present invention;
Fig. 5 is the structural representation of the monitor board embodiment one according to the present invention;
Fig. 6 is the structural representation of another example of monitor board embodiment one according to the present invention;
Fig. 7 is the structural representation of the antenna embodiment two according to the present invention;
Fig. 8 is the structural representation of the main control computer embodiment two according to the present invention;
Fig. 9 is the structural representation of the indoor distributed system embodiment according to the present invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
Method embodiment
Embodiment one
According to the embodiment of the invention, a kind of implementation method of indoor distributed system is provided, this method is fit to be deployed on the antenna, and is as shown in Figure 1, and this method comprises:
S101, identification receives indoor signal and the outdoor signal in the signal;
In present embodiment and following each embodiment, antenna receives signal for receiving signal, and this reception signal comprises indoor signal and outdoor signal.This indoor signal refers to: be deployed in the indoor signal that antenna sent.Preferably; Difference according to network; This indoor signal can be divided at least: the indoor signal of 2G network (promptly being deployed in the signal of the indoor 2G network that antenna sent); The indoor signal of 3G network (promptly being deployed in the signal of the indoor 3G network that antenna sent), and the indoor signal of wlan network (promptly being deployed in the signal of the indoor wlan network that antenna sent).Because indoor signal is self to be sent by indoor antenna; So which part this antenna can identify from receive signal be that (concrete recognition methods is: which part antenna can identify from receive signal be the signal of which network to indoor signal; And then whether the signal that identifies this network is indoor signal), and will receive in the signal signal except that indoor signal as outdoor signal.
S103 is according to signal strength difference inside and outside this indoor signal and this outdoor signal counting chamber;
After antenna identifies indoor signal and outdoor signal, just can know the intensity of this indoor signal and outdoor signal respectively, and calculate the indoor and outdoor signal strength difference according to the intensity of indoor and outdoor signal.
S105 is according to the power output of above-mentioned indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
The method that present embodiment provides; Can export the power output of signal according to indoor and outdoor signal strength difference that calculates and preset difference threshold adjustment; Both can satisfy indoor signal and cover requirement; Can prevent the excessive outdoor signal leakage that causes of power output again, and then influence the situation generation of peripheral chambers external signal.
Embodiment two
Present embodiment specifically provides a kind of implementation method of indoor distributed system, and in the method, indoor distributed system is made up of a main control computer and a plurality of antenna, and preferably, main control computer is connected through optical fiber with antenna.For the ease of describing, this main control computer is specially near-end in present embodiment and following embodiment, and this antenna is specially far-end.This near-end and far-end all are deployed in indoor.As shown in Figure 2, this method comprises:
In this near-end, dispose the difference threshold of each antenna in advance, this difference threshold can be decided according to the position that the network that antenna is suitable for is decided and this antenna belongs to.For example: antenna 1 is suitable for the 2G/3G/WLAN network, so antenna 1 is respectively to having three preset difference threshold T2G, T3G; TWLAN, and as shown in Figure 3 is an example with the difference threshold of the indoor signal of 2G network; When if antenna 1 is positioned at apart from outdoor nearer position; T2G is 3dB (representative is positioned at the indoor signal of the 2G of this position should be than the strong 3dB of outdoor peak signal), if when antenna 1 is positioned at apart from outdoor middle position, T2G is 6dB (representative is positioned at the indoor signal of the 2G of this position should be than the strong 6dB of outdoor peak signal); If antenna 1 is positioned at apart from outdoor during than distant positions, T2G is 9dB (representative is positioned at the indoor signal of the 2G of this position should be than the strong 9dB of outdoor peak signal).
S201, far-end receive the reception signal;
S202, this receives indoor signal and outdoor signal in the signal far-end identification;
Preferably, in the present embodiment, this indoor signal comprises: 2G, like the indoor signal of GSM (Global Systemfor Mobile Communications, global system for mobile communications) network; 3G is like the indoor signal of TD-SCDMA (Time Division-Synchronized Code Division MultipleAccess, TD SDMA inserts) network; The indoor signal of WLAN-AP (AccessPoint, access point) network; Correspondingly, preset difference threshold comprises: to the corresponding preset difference threshold 2G of 2G network; To the corresponding preset difference threshold T3G of network; To the corresponding preset difference threshold TWLAN of wlan network.Receive the signal far-end of thinking except that indoor signal in the signal and all think outdoor signal.
Need to prove; Indoor distributed system in the present embodiment is made up of a plurality of far-ends, because the process all similar that each far-end is carried out, so in S201 and the following step; Be that example is described with a far-end all, other far-end implementation is not given unnecessary details at this.
S203, far-end is according to signal strength difference inside and outside above-mentioned indoor signal and the outdoor signal counting chamber;
Far-end in the present embodiment is applicable to three networks of 2G/3G/WLAN, wherein, for the indoor signal of three any networks, is example with the indoor signal of 2G network, and above-mentioned S203 is specially:
Calculate the indoor and outdoor signal strength difference of 2G network according to the indoor signal of 2G network and above-mentioned outdoor signal;
The indoor and outdoor signal strength difference of 3G and wlan network is calculated according to the same manner.
S204, far-end is according to the power output of aforementioned calculation indoor and outdoor signal strength difference that goes out and the difference threshold adjustment output signal of presetting.
Particularly, S204 is: when above-mentioned indoor and outdoor signal strength difference is lower than above-mentioned preset difference threshold, improve the power output of output signal;
When above-mentioned indoor and outdoor signal strength difference is higher than above-mentioned preset difference threshold, reduce the power output of output signal.
Indoor and outdoor signal strength difference with the 2G network that calculates is an example, and S204 is: far-end is according to the power output of the output signal of the preset difference threshold T2G adjustment 2G network of the indoor and outdoor signal strength difference of 2G network and corresponding 2G network.
When the indoor and outdoor signal strength difference of the 2G network that calculates is lower than preset difference threshold T2G, improve the power output of 2G network output signal;
When the indoor and outdoor signal strength difference of the 2G network that calculates is higher than preset difference threshold T2G, reduce the power output of 2G network output signal.
The power output process of 3G and wlan network adjustment output signal in like manner.
In the said method that present embodiment provides; Far-end can be through the mode that indoor and outdoor signal difference that calculates and preset difference threshold are compared; Subnetwork is adjusted the power output of indoor signal automatically, guarantees the indoor and outdoor signal strength difference thus in a strength of fixation, and then has obtained and can satisfy indoor signal covering requirement; Can prevent that also indoor signal from leaking outside, avoid because the excessive influences such as interference that cause outdoor signal of indoor signal intensity.
In addition, in the method that present embodiment provides, also can a certain fixedly output valve be set as required and make far-end, guarantee the basic coverage effect of indoor signal according to the fixing output valve power output of this output at far-end.
And; As shown in Figure 4, in the method for present embodiment, because far-end is connected through optical fiber with near-end; So being convenient to far-end is installed in each room; Different indoor and outdoor signal strength difference threshold values is set, and the requirement that can satisfy becomes more meticulous registers one's residence and cover can prevent the influence that indoor signal leaks outside and causes again; And far-end increases or deletion is convenient, only needs to carry out in the proximal end some simple settings, as the configuration that indoor and outdoor signal strength difference threshold value is set or cancels certain far-end gets final product.
Further, in the present embodiment, can also be through the mode of subnetwork to the preset indoor signal intensity threshold of indoor signal, the intensity of the indoor signal of far-end to be monitored, this method also comprises:
Far-end sends warning message to the near-end that is connected through optical fiber according to the intensity of indoor signal with preset indoor signal intensity threshold.
For example: when the indoor signal of the 2G network that far-end receives very a little less than; Weak be lower than the preset indoor signal intensity threshold of corresponding 2G network to signal strength signal intensity (also subnetwork is corresponding presets for this indoor signal intensity threshold; But unified indoor signal intensity threshold) time, sends warning message to the near-end that is connected to through optical fiber, wherein; This warning information can be closed this far-end for: far-end notice near-end, also can feed back to near-end etc. for the relevant information that current indoor signal intensity is very weak.
In the method that present embodiment provides, the requirement that optical fiber connects and indoor signal covers is combined together, use optical fiber to connect, register one's residence conveniently, the covering that can become more meticulous, it is poor to solve indoor signals such as present hotel, residential quarters high level, the difficult problem of registering one's residence.And far-end can be adjusted each network end-point power output of 2G/3G/WLAN automatically, has both satisfied covering requirement, satisfies the anti-leak requirement again.
Device embodiment
Embodiment one
According to the embodiment of the invention, a kind of monitor board is provided.This monitor board can place antenna, helps antenna to realize the purpose of adjustment power output automatically.As shown in Figure 5, comprising: identification module 61, computing module 62, adjusting module 63.
Identification module 61 is used for discerning indoor signal and the outdoor signal that receives signal; Computing module 62 is used for according to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber; Adjusting module 63 is used for according to the power output of said indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
As shown in Figure 6, in another example of present embodiment, identification module 61 comprises: recognition unit 611 is used to identify the indoor signal of one or more network;
Correspondingly, computing module 62, the indoor signal of any network that is used for identifying, the indoor and outdoor signal strength difference of calculating said network according to the indoor signal and the said outdoor signal of said network for recognition unit 611;
Correspondingly; Adjusting module 63; The indoor signal of any network that is used for identifying for recognition unit 611, the indoor and outdoor signal strength difference of the said network that calculates according to said computing module 62 and the power output that the preset difference threshold of corresponding said network is adjusted the output signal of said network.
Wherein, as shown in Figure 6, adjusting module 63 comprises: adjustment unit 631.
Adjustment unit 631 is used for when said indoor and outdoor signal strength difference is lower than said preset difference threshold, improving the power output of output signal; When said indoor and outdoor signal strength difference is higher than said preset difference threshold, reduce the power output of output signal.
In addition, as shown in Figure 6, also comprise: alarm module 64.
Alarm module 64 is used for sending warning message to main control computer according to the intensity of said indoor signal with preset indoor signal intensity threshold.
The monitor board that present embodiment provides identifies the indoor signal and the outdoor signal that receive in the signal after antenna receives the reception signal, and the inside and outside letter of counting chamber strength difference; Adjust the power output of antenna output signal according to preset difference threshold and this indoor and outdoor signal strength difference again, and then solved in the prior art, antenna only can be exported constant power; When satisfying indoor signal covering requirement; The technical problem of leakage signal in the easy generation chamber, and then obtained and can adjust power output automatically according to the indoor and outdoor signal strength difference, guarantee that the indoor signal covering needs; Prevent that simultaneously indoor signal from leaking outside, influence the technique effect of outdoor signal.
Embodiment two
Present embodiment provides a kind of antenna, and the far-end that this antenna can be used as among the method embodiment two uses.As shown in Figure 7, comprising: WDM (Wavelength Division Multiplexing, wavelength division multiplexing) unit 80, remote digital plate 81, remote signaling plate 82, RF power amplification unit 83, synthesizer 84, antenna receiving-sending device 85, remote monitoring plate 86, far end supply 87.
Wherein, the WDM unit 80: be used to realize light/electricity conversion and wavelength division multiplexing transfer function;
Remote digital plate 81: be made up of devices such as ADC chip, fpga chip, string and conversion chip, DAC chips, be mainly used in and accomplish AD (digital-to-analogue) sampling, digital filtering, framing are separated functions such as frame and DA (modulus) recovery;
Far-end small-signal plate 82: form by devices such as LNA, frequency mixer, intermediate frequency amplifier and intermediate-frequency filters, be mainly used in the function of completion from conversion and the amplification and the filtering of if-to-rf.
Far end radio frequency power amplifier unit 83 is mainly used in signal is carried out power amplification;
Mixer 84, the signal that is mainly used in 2G, 3G, WLAN three networks closes the road;
Antenna receiving-sending device 85 is mainly used in the signal after the road is closed in output, and receives the wireless reception signal of periphery.
Far end supply 87 is mainly used in to each module the power supply that meets voltage, power, quality requirement is provided.
Remote monitoring plate 86 is mainly used in the power output, power failure, excess temperature alarm etc. of monitoring remote host; Through the peripheral signal network index of antenna receiving-sending device 85 monitorings; The reception signal difference of contrast antenna receiving-sending device 85, the power output of adjustment RF power amplification unit 83; Be connected with the near-end monitor board through optical fiber, warning information etc. is sent to near-end, and receive the instruction that the near-end monitor board sends over, this instruction comprises preset difference threshold etc.
Particularly, the remote monitoring plate 86 in the present embodiment can be of the monitor board among the device embodiment one, do not give unnecessary details at this.
Further, as shown in Figure 8, present embodiment provides a kind of main control computer again, and the near-end that can be used as among the said method embodiment two uses.Comprise: near-end small-signal 91, near-end digiboard 92, near-end monitor board 93, Modem94, power supply 95, WDM96.
Near-end small-signal 91 is made up of devices such as frequency mixer, intermediate frequency amplifier and intermediate-frequency filters, is mainly used in to receive each network, like the signal of 2G, 3G, wlan network, and accomplishes conversion and the function of amplification and filtering from the radio frequency to the intermediate frequency;
Near-end digiboard 92 is made up of devices such as ADC chip, fpga chip, string and conversion chip, DAC chips, is mainly used in to accomplish the AD sampling, and digital filtering, framing are separated functions such as frame and DA recovery;
Near-end monitor board 93 is mainly used in the input power that can monitor near-end, power failure, excess temperature alarm etc., also can be connected with far-end through optical fiber simultaneously, monitors the remote monitoring plate; Also can be used for the various state parameters of equipment and failure condition being reported to the police with the short message form or the instruction that receives network management center changes the oneself state parameter to network management center in real time through wireless modem 94;
Modem94 comprises power interface and 232 interfaces of communicating by letter with the near-end monitor board, is mainly used in completion near-end monitor board and communicates by letter with the note at remote network management center, several biographies etc.;
Power supply 95 is mainly used in to above-mentioned each module the power supply that meets voltage, power, quality requirement is provided;
WDM96 is mainly used in realization light/electricity conversion and wavelength division multiplexing transfer function.
In the present embodiment, this near-end is connected through optical fiber with far-end.
The main control computer that present embodiment provides can be connected with antenna through optical fiber, registers one's residence conveniently, and the covering that can become more meticulous, it is poor to solve indoor signals such as present hotel, residential quarters high level, the difficult problem of registering one's residence.Only need main control computer is carried out some simple parameters (like preset difference threshold) configuration; Just in the antenna that can this partial parameters is synchronous; Convenient antenna is realized the technique effect of adjustment power output automatically, and can monitor the power output of far-end, and operation such as report to the police.
System embodiment
According to the embodiment of the invention, a kind of indoor distributed system is provided.As shown in Figure 9, this system comprises: near-end A and at least one far-end B, wherein, near-end A is connected through feeder line with the base station of three networks (2G, 3G, WLAN).
Near-end A is used for for any far-end B, receives according to the residing position of antenna B, and (like the preset difference threshold that is provided with respectively, and the difference threshold that will preset is synchronized to corresponding far-end B to one or more network;
For any far-end B; Be used to receive signal; Discern indoor signal and outdoor signal in this reception signal; According to signal strength difference inside and outside above-mentioned indoor signal and the above-mentioned outdoor signal counting chamber, and according to the power output of this indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
Preferably, in the present embodiment, near-end A is connected with above-mentioned at least one far-end B through optical fiber.And, also can connect between each far-end B through optical fiber.
Wherein, this near-end A specifically can be as installing the main control computer described in the embodiment two, and far-end B specifically can be as installing the antenna described in the claim two.
In the indoor distributed system that present embodiment provides; Far-end is connected through optical fiber with near-end; Be easy to register one's residence; And far-end can be exported the power output of signal according to indoor and outdoor signal strength difference that calculates and preset difference threshold adjustment, both can satisfy indoor signal and cover requirement, can prevent the technical problem that the excessive outdoor signal that causes of power output is revealed again.
The present invention can have multiple multi-form embodiment; Be that example combines accompanying drawing that technical scheme of the present invention is illustrated with Fig. 1-Fig. 9 above; This does not also mean that the applied instantiation of the present invention can only be confined in the specific flow process or example structure; Those of ordinary skill in the art should understand, and the specific embodiments that preceding text provided is some examples in the multiple its preferred usage, and any execution mode all should be within technical scheme of the present invention scope required for protection.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: the above is merely the preferred embodiments of the present invention; Be not limited to the present invention; Although the present invention has been carried out detailed explanation with reference to previous embodiment; For a person skilled in the art, it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. the implementation method of an indoor distributed system is characterized in that, comprising:
Identification receives indoor signal and the outdoor signal in the signal;
According to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber;
Export the power output of signal according to said indoor and outdoor signal strength difference and preset difference threshold adjustment.
2. method according to claim 1 is characterized in that, said indoor signal comprises: the indoor signal of one or more network; Said preset difference threshold comprises: corresponding preset difference threshold with said one or more network;
Wherein, for the indoor signal of any network in said one or more network:
Saidly be: the indoor and outdoor signal strength difference of calculating said network according to the indoor signal and the said outdoor signal of said network according to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber;
Said power output according to said indoor and outdoor signal strength difference and preset difference threshold adjustment output signal comprises: the power output of adjusting the output signal of said network according to the indoor and outdoor signal strength difference and the preset difference threshold of corresponding said network of said network.
3. method according to claim 1 is characterized in that, the said power output of exporting signal according to said indoor and outdoor signal strength difference and preset difference threshold adjustment comprises:
When said indoor and outdoor signal strength difference is lower than said preset difference threshold, improve the power output of output signal;
When said indoor and outdoor signal strength difference is higher than said preset difference threshold, reduce the power output of output signal.
4. method according to claim 1 is characterized in that, according to the residing diverse location of antenna, is respectively arranged with said preset difference threshold to one or more network.
5. according to any described method in the claim 1 to 4, it is characterized in that this method also comprises:
Intensity according to said indoor signal is sent warning message to main control computer with preset indoor signal intensity threshold.
6. a monitor board is characterized in that, comprising:
Identification module is used for discerning indoor signal and the outdoor signal that receives signal;
Computing module is used for according to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber;
Adjusting module is used for according to the power output of said indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
7. monitor board according to claim 6 is characterized in that, said identification module comprises: recognition unit is used to identify the indoor signal of one or more network;
Said computing module, the indoor signal of any network that is used for identifying, the indoor and outdoor signal strength difference of calculating said network according to the indoor signal and the said outdoor signal of said network for recognition unit;
Said adjusting module; The indoor signal of any network that is used for identifying for recognition unit, the indoor and outdoor signal strength difference of the said network that calculates according to said computing module and the power output that the preset difference threshold of corresponding said network is adjusted the output signal of said network.
8. monitor board according to claim 6 is characterized in that, said adjusting module comprises:
Adjustment unit is used for when said indoor and outdoor signal strength difference is lower than said preset difference threshold, improving the power output of output signal; When said indoor and outdoor signal strength difference is higher than said preset difference threshold, reduce the power output of output signal.
9. according to any described monitor board in the claim 6 to 8, it is characterized in that, also comprise:
Alarm module is used for sending warning message to main control computer according to the intensity of said indoor signal with preset indoor signal intensity threshold.
10. an antenna comprises signal plate, digiboard, and the RF power amplification unit, synthesizer, the antenna receiving-sending device, the wavelength division multiplexing unit, power supply is characterized in that, also comprises: like any described monitor board in the claim 7 to 10.
11. an indoor distributed system is characterized in that, comprises main control computer and at least one antenna as claimed in claim 10;
Said main control computer is used for for any said antenna, receives according to the residing position of said antenna, and the preset difference threshold that is provided with respectively to one or more network, and said preset difference threshold is synchronized to said antenna;
Said antenna; Be used to receive signal; Discern indoor signal and outdoor signal in the said reception signal; According to signal strength difference inside and outside said indoor signal and the said outdoor signal counting chamber, and according to the power output of said indoor and outdoor signal strength difference with the difference threshold adjustment output signal of presetting.
12. system according to claim 11 is characterized in that, said main control computer is connected with said at least one antenna through optical fiber.
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| CN103916898A (en) * | 2013-01-04 | 2014-07-09 | 中国移动通信集团公司 | Method, device and system for automatically detecting indoor signal leakage |
| CN104159285A (en) * | 2014-09-02 | 2014-11-19 | 辽宁邮电规划设计院有限公司 | Automatic regulating device for power of LTE (Long Term Evolution) indoor distribution system and regulating method |
| CN104301910A (en) * | 2014-09-15 | 2015-01-21 | 河南普世通信科技有限公司 | CATV cable-sharing multi-mode room division multiplexing method and system |
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| CN103916898A (en) * | 2013-01-04 | 2014-07-09 | 中国移动通信集团公司 | Method, device and system for automatically detecting indoor signal leakage |
| CN103916898B (en) * | 2013-01-04 | 2018-02-23 | 中国移动通信集团公司 | A kind of method, apparatus and system of the leakage of automatic detection indoor signal |
| CN104159285A (en) * | 2014-09-02 | 2014-11-19 | 辽宁邮电规划设计院有限公司 | Automatic regulating device for power of LTE (Long Term Evolution) indoor distribution system and regulating method |
| CN104159285B (en) * | 2014-09-02 | 2018-03-27 | 辽宁邮电规划设计院有限公司 | A kind of LTE rooms subsystem autopower and adjusting method |
| CN104301910A (en) * | 2014-09-15 | 2015-01-21 | 河南普世通信科技有限公司 | CATV cable-sharing multi-mode room division multiplexing method and system |
| CN104301910B (en) * | 2014-09-15 | 2019-08-09 | 河南普世通信科技有限公司 | A kind of CATV is total to cable multi-standard room division multiplexing method and system |
| CN105337645A (en) * | 2015-12-15 | 2016-02-17 | 上海电机学院 | Method of cooperative communication among micro-cell base stations |
| CN109085624A (en) * | 2018-07-04 | 2018-12-25 | 百度在线网络技术（北京）有限公司 | Indoor and outdoor localization method, device and computer equipment based on positioning signal strength |
| CN109451508A (en) * | 2018-11-15 | 2019-03-08 | 广东电网有限责任公司 | A kind of enhancing system of 4G-LTE wireless network signal |
| CN112954588A (en) * | 2021-02-05 | 2021-06-11 | 陕西天基通信科技有限责任公司 | Method and system for realizing gain control of high-speed rail micro-distribution equipment according to GPS/BD positioning |
| CN112954588B (en) * | 2021-02-05 | 2022-11-04 | 陕西天基通信科技有限责任公司 | Method and system for realizing gain control of high-speed rail micro-distribution equipment according to GPS/BD positioning |
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Application publication date: 20120711 |