CN104684082A - System and method for realizing building inner positioning based on base station signal amplification devices - Google Patents
System and method for realizing building inner positioning based on base station signal amplification devices Download PDFInfo
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- CN104684082A CN104684082A CN201510100387.2A CN201510100387A CN104684082A CN 104684082 A CN104684082 A CN 104684082A CN 201510100387 A CN201510100387 A CN 201510100387A CN 104684082 A CN104684082 A CN 104684082A
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Abstract
The embodiment of the invention provides a system and a method for realizing building inner positioning based on base station signal amplification devices. The system comprises a plurality of base station signal indoor amplification devices arranged in each height interval and a background server, wherein at least three base station signal indoor amplification devices are arranged in each height interval; the background server is used for reading electrical wave signals sent by the mobile terminal and received by the base station signal indoor amplification devices in the height interval where a mobile terminal is positioned ; the plane position information of the mobile terminal is calculated by the utilization of a positioning algorithm according to the electrical wave signals, and the plane position information as well as height information in the height interval where the mobile terminal is positioned is taken as three-dimensional position information of the mobile terminal in a building.
Description
Technical field
The present invention relates to indoor positioning technologies field, particularly relate to a kind of system realizing building inner position based on base station signal amplifying device.
Background technology
At present, the antenna system of amplifying is carried out for indoor cellular base station signal and indoor locating system is all deployed as two cover systems usually.Base station satellite-signal after the mobile phone of user is amplified by antenna system reception, and then the signal quality keeping mobile communications network.Indoor locating system is that indoor location positions by special a set of navigation system and location algorithm to user.
Realize base station satellite-signal respectively by two independently systems of overlapping to amplify and indoor positioning seriously causes waste on cost, and seriously add the workload of installation and deployment.
Summary of the invention
In view of this, the invention provides a kind of system realizing building inner position based on base station signal amplifying device, the equipment that can be amplified by sharing base station signal realizes indoor positioning, reduces the cost of equipment and deployment.
For achieving the above object, one aspect of the present invention provides a kind of system realizing building inner position based on base station signal amplifying device, comprises that at least one is highly interval in described building, and described system comprises:
Be arranged on the indoor amplifying device of multiple base station signals in each height interval, the indoor amplifying device of at least three base station signals is wherein set in each height interval;
Background server, the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signals for reading in the height interval residing for mobile terminal receives; And utilizing location algorithm to calculate the plan position information of this mobile terminal according to this electric wave signal, the elevation information in the height interval residing for described plan position information and this mobile terminal is as the three dimensional local information of this mobile terminal in building.
Preferably, in the indoor amplifying device of the multiple base station signals in each highly interval, has the indoor amplifying device of three base station signals at least not on same straight line.
Preferably, described height interval refers to the one deck on depth of building direction.
Preferably, the indoor amplifying device of described base station signal is connected with described background server by switch or router.
Preferably, described background server reads the condition of the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signal receives and is: background server receives the Location Request that this mobile terminal sends.
Preferably, the identification information of described mobile terminal is carried in the electric wave signal that described mobile terminal sends.
Preferably, described background server, also for the three dimensional local information of described mobile terminal in building is fed back to this mobile terminal, shows for this mobile terminal.
The present invention also provides a kind of method realizing building inner position based on base station signal amplifying device on the other hand, at least one is comprised highly interval in described building, the indoor amplifying device of multiple base station signal is pre-set in each height interval, wherein arrange the indoor amplifying device of at least three base station signals in each height interval, the method comprises:
Read the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signals in dynamic height interval residing for terminal receives;
Location algorithm is utilized to calculate the plan position information of this mobile terminal according to this electric wave signal;
The elevation information in the height interval residing for described plan position information and this mobile terminal is as the three dimensional local information of this mobile terminal in building.
Preferably, described method also comprises:
The three dimensional local information of described mobile terminal in building is fed back to this mobile terminal, so that the display of described mobile terminal.
Preferably, described method also comprises:
Send the three-dimensional map data in described building to described mobile terminal, and according to the three dimensional local information of described mobile terminal in this building, the three-dimensional map in described building shows the mark of this mobile terminal.
The electric wave signal of the mobile terminal that the embodiment of the present invention receives by the indoor amplifying device of base station signal, achieves the indoor positioning to mobile terminal, does not need, for indoor positioning disposes a set of equipment separately, therefore to greatly reduce the workload of cost and deployment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structured flowchart realizing the system of building inner position based on base station signal amplifying device that the embodiment of the present invention provides;
Fig. 2 is the layout structure figure of system in a kind of typical building realizing building inner position based on base station signal amplifying device in the embodiment of the present invention;
Fig. 3 is the schematic diagram of a kind of concrete structure of base station signal amplifying device in the embodiment of the present invention;
Fig. 4 is the schematic diagram that the system realizing building inner position based on base station signal in the embodiment of the present invention is applied in the building only having a Rotating fields;
Fig. 5 is the logic diagram of the building inner position system in Fig. 4 embodiment;
Fig. 6 is the schematic diagram that the system realizing building inner position based on base station signal amplifying device in the embodiment of the present invention is applied in the building of sandwich construction;
Fig. 7 is the logic diagram of the building inner position system in Fig. 6 embodiment.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 shows the structured flowchart realizing the system of building inner position based on base station signal amplifying device that the embodiment of the present invention provides, wherein comprise at least one in building highly interval, as shown in Figure 1, this system comprises the indoor amplifying device 10 of the multiple base station signals be arranged in each height interval, wherein arranges the indoor amplifying device of at least three base station signals in each height interval;
Background server 5, the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signals for reading in the height interval residing for mobile terminal receives; And utilizing location algorithm to calculate the plan position information of this mobile terminal according to this electric wave signal, the height residing for described plan position information and this mobile terminal is interval as the three dimensional local information of this mobile terminal in building.
As can be seen here, the electric wave signal of the mobile terminal that the embodiment of the present invention receives by the indoor amplifying device of base station signal, achieve the indoor positioning to mobile terminal, do not need, for indoor positioning disposes a set of equipment separately, therefore to greatly reduce the workload of cost and deployment.
Fig. 2 shows the layout structure figure of system in a kind of typical building realizing building inner position based on base station signal amplifying device in the embodiment of the present invention.As shown in Figure 2, be provided with base station signal exterior aerial outside this building, be provided with the indoor amplifying device of multiple base station signal in indoor, base station signal exterior aerial communicates with between cellular network base station.
Fig. 3 shows a kind of concrete structure of the indoor amplifying device of base station signal in the embodiment of the present invention, the indoor amplifying device of this base station signal comprises equipment body 11 and domestic aerial 12, equipment body 11 is connected with base station signal exterior aerial 2, and equipment body 11 is also connected with domestic aerial 12.In addition conveniently take out required signal from equipment body 11, external data communication interface 111 can also be provided with on equipment body 11.This data communication interface 111 can adopt Ethernet interface in practice.
Fig. 4 shows the schematic diagram system realizing building inner position based on base station signal amplifying device in the present embodiment be applied in the building only having a Rotating fields.See Fig. 4, the indoor amplifying device of at least three base station signals is set in building 3, especially to arrange three in Fig. 4, is labeled as 1a, 1b and 1c respectively.In order to better realize follow-up indoor positioning, has the indoor amplifying device of three base station signals in the indoor amplifying device of above-mentioned at least three base station signals at least not on same straight line.
Fig. 5 shows the logic diagram of the building inner position system in the present embodiment.Three base station signals indoor amplifying device 1a, 1b are all connected with background server 5 by switch 4 with 1c.In practice, base station signal indoor amplifying device 1a, 1b can also be connected with background server 5 by router with 1c, or base station signal indoor amplifying device 1a, 1b are directly connected with background server 5 with 1c.
Base station signal indoor amplifying device 1a, 1b and 1c can communicate according to ICP/IP protocol, RS485 agreement or WIFI agreement with between background server 5.
In building 3, have the user that is carried mobile terminal 6, the position of this user can be reflected by the position of mobile terminal 6.Base station indoor locating system in the present embodiment can realize the location to this mobile terminal 6.
User can install specific application software in advance on mobile terminal 6, can send Location Request, impelling mobile terminal 6 to send electric wave signal towards periphery simultaneously by operating this application software to background server 5.Such as user can open application software after entering in building 3, sends Location Request by operation.
Base station signal indoor amplifying device 1a, 1b and 1c can receive electric wave signal, carry the mark of the mobile terminal 6 sending electric wave signal in this electric wave signal.
Background server 5 is after the Location Request receiving mobile terminal 6 transmission, the electric wave signal of mobile terminal 6 transmission that it receives can be obtained from base station signal indoor amplifying device 1a, 1b and 1c, and utilize location algorithm to calculate the position of mobile terminal 6 in indoor.By the mark of the mobile terminal carried in electric wave signal, background server 5 specifically can judge whether this electric wave signal is that mobile terminal 6 sends.
Base station signal indoor amplifying device 1a, 1b and 1c can carry out real time scan to the electric wave signal that the mobile terminal in its effective range sends and obtain on one's own initiative, in this case, background server 5 is after receiving the Location Request that mobile terminal 6 sends, and the electric wave signal obtained from base station signal indoor amplifying device 1a, 1b and 1c is the received at that time electric wave signals of the indoor amplifying devices of these base station signals.
Base station signal indoor amplifying device 1a, 1b and 1c can also scan the electric wave signal that the mobile terminal in its effective range sends passively.Such as background server 5 is after receiving Location Request, send triggering signal to coupled base station signal indoor amplifying device 1a, 1b and 1c, start scan with amplifying device 1a, 1b and 1c in trigger base station signal cabin and receive the electric wave signal of the mobile terminal transmission in its effective range.This implementation effectively can reduce the power consumption of the indoor amplifying device of base station signal.
A kind of location realization approach is specifically the time of reception utilizing base station signal indoor amplifying device 1a, 1b and 1c to receive the electric wave signal that same mobile terminal sends, determine the relative position of this mobile terminal relative to base station signal indoor amplifying device 1a, 1b and 1c, and then the relative position information of mobile terminal in building can be obtained.
Realize above-mentioned location thinking and can adopt two kinds of concrete algorithms.A kind of algorithm is TOA algorithm, and another kind of algorithm is DTOA algorithm, wherein utilizes DTOA algorithm can mention the accuracy of location, avoids the error of time error and multipath effect to finally determining that the result of position causes error.
It should be noted that, be this mobile terminal plan position approach in this layer by the indoor amplifying device of multiple base station signals within the same layer to the result that mobile terminal is located.
Fig. 6 shows the schematic diagram system realizing building inner position based on base station signal amplifying device in the present embodiment be applied in the building of sandwich construction.See Fig. 6, this building 30 has two-layer (being labeled as floor 31 and floor 32 respectively).The indoor amplifying device of at least three base station signals is all set at each floor, in figure 6, three base station signals indoor amplifying device 11a, 11b and 11c is set in floor 31, three base station signal amplifying devices 12a, 12b and 12c are set in floor 32.
In order to realize better location, there is the indoor amplifying device of at least three base station signals in the indoor amplifying device of the multiple base station signals in each floor not on same straight line.
Fig. 7 shows the logic diagram of the base station indoor locating system in Fig. 6 embodiment.6 base station signals indoor amplifying device 11a, 11b, 11c, 12a, the 12b be deployed in two floors is all connected with background server 5 by switch 4 with 12c.In practice, the indoor amplifying device of these base station signals can also be connected with background server 5 by router, or also indoor for these base station signals amplifying device directly can be connected with background server 5.
In the present embodiment, base station signal indoor amplifying device 11a, 11b, 11c, 12a, 12b and 12c can communicate according to ICP/IP protocol, RS485 agreement or WIFI agreement with between background server 5.
Have the user that is carried mobile terminal 62 in floor 32 in building 30, the position of this user can be reflected by the position of mobile terminal 62.Base station indoor locating system in the present embodiment can realize the location to mobile terminal 62.
User can install specific application software in advance on mobile terminal 62, can send Location Request, impelling mobile terminal 62 to send electric wave signal towards periphery simultaneously by operating this application software to background server 5.
Base station signal indoor amplifying device 12a, 12b and 12c can receive electric wave signal, carry the mark of the mobile terminal 62 sending electric wave signal in this electric wave signal.
Background server 5 is after the Location Request receiving mobile terminal 62 transmission, the electric wave signal of mobile terminal 62 transmission that it receives can be obtained from base station signal indoor amplifying device 12a, 12b and 12c, and utilize location algorithm to calculate the position of mobile terminal 62 in indoor.By the mark of the mobile terminal carried, background server 5 specifically can judge whether this electric wave signal is that mobile terminal 62 sends by electric wave signal.
In the present embodiment, the signal of indoor for base station signal amplifying device can be done oriented cover design, to meet the electric wave signal only having or almost only have the indoor amplifying device of the base station signal of the floor at mobile terminal 62 place just can receive this mobile terminal 62, now background server 5 is from the floor information at the indoor amplifying device place of the base station signal receiving mobile terminal 62 electric wave signal, just can know the floor information at this mobile terminal 62 place.
In another interchangeable embodiment, when the effect that the signal of the indoor amplifying device of base station signal does not do oriented cover design or oriented cover is insufficient, the electric wave signal of mobile terminal 62 also can be received by the indoor amplifying device of the base station signal of other floors, but the time that the time that the indoor amplifying device of the base station signal due to mobile terminal 62 place floor receives electric wave signal receives this electric wave signal relative to the indoor amplifying device of the base station signal of other floors is faster, simultaneously to receive the intensity of this electric wave signal also more weak for other floors, so background server 5 can from the aspect of the time of the electric wave signal of mobile terminal receive 62 and/or intensity, distinguish the indoor amplifying device of base station signal of the floor at mobile terminal 62 place, and then the floor information at this mobile terminal 62 place is obtained by the floor information of the indoor amplifying device of these base station signals.
Base station signal indoor amplifying device 12a, 12b and 12c can carry out real time scan to the electric wave signal that the mobile terminal in its effective range sends and obtain on one's own initiative, in this case, background server 5 is after receiving the Location Request that mobile terminal 62 sends, and the electric wave signal obtained from base station signal indoor amplifying device 12a, 12b and 12c is the received at that time electric wave signals of the indoor amplifying devices of these base station signals.
Base station signal indoor amplifying device 12a, 12b and 12c can also scan the electric wave signal that the mobile terminal in its effective range sends passively.Such as background server 5 is after receiving Location Request, send triggering signal to coupled base station signal indoor amplifying device 12a, 12b and 12c, start scan with amplifying device 12a, 12b and 12c in trigger base station signal cabin and receive the electric wave signal of the mobile terminal transmission in its effective range.This implementation effectively can reduce the power consumption of the indoor amplifying device of base station signal.
In order to realize the location to mobile terminal 62, base station signal indoor amplifying device 12a, 12b and 12c can be utilized to receive the time of reception of the electric wave signal that same mobile terminal sends, determine the relative position of this mobile terminal relative to base station signal indoor amplifying device 12a, 12b and 12c, and then the relative position information of mobile terminal in indoor can be obtained.
Realize above-mentioned location thinking and can adopt two kinds of concrete algorithms.A kind of algorithm is TOA algorithm, and another kind of algorithm is DTOA algorithm, wherein utilizes DTOA algorithm can mention the accuracy of location, avoids the error of time error and multipath effect to finally determining that the result of position causes error.
It should be noted that, be this mobile terminal 62 plan position approach in floor 32 by the positioning result of indoor amplifying device 12a, 12b and the 12c of base station signal within the same layer to mobile terminal 62, and the height and position of this mobile terminal 62 can utilize the height and position of the floor 32 at indoor amplifying device 12a, 12b and 12c place of base station signal to represent.
By the technical scheme of above-described embodiment, finally can obtain the plan position information of mobile terminal in building and height position information, thus achieve the indoor three-dimensional localization of mobile terminal in building.Those skilled in the art should be able to be clear, all interval to the height dividing building with the layer of building in the above-described embodiments, the height and position of the multiple mobile terminals in each layer (highly interval a kind of concrete form) is identical, namely identifies with this highly interval elevation information.Here elevation information can be the height value of " n-th layer (N is natural number) " or n-th layer.
In each embodiment above-mentioned, after background server calculates the three dimensional local information of mobile terminal in building, this three dimensional local information can be fed back to this mobile terminal, so that mobile terminal shows.The mode of mobile terminal display can be directly presented in the mode of numerical value by coordinate information, is understood voluntarily by user; By mobile terminal in conjunction with the three-dimensional map data in building, the three-dimensional map in building can also show the mark of this mobile terminal.And this three-dimensional map data can be obtained from background server by mobile terminal.
In addition, when user hold mobile terminal walk out outdoor indoor time, need solve by the switching problem of indoor positioning to outdoor positioning.A kind of concrete solution is by intersection disposed in the interior and outdoor for amplifying device at least one stylobate station signal cabin in the embodiment of the present invention, such as be arranged on outside or the inner side at the gate of building, with the indoor amplifying device of the base station signal being arranged on this intersection for reference point, and can determine that mobile terminal is in outdoor or in indoor in conjunction with the indoor positioning scheme in above-described embodiment, when detecting mobile terminal and moving on to outdoor indoor, mobile terminal can trigger and switch to indoor positioning function, the signal of direct reception outdoor base station, and execution determines the positional information of this mobile terminal in outdoor based on the logic of base station signal.And when mobile terminal moves to indoor outdoor, mobile terminal can trigger and switch to indoor positioning function, the scheme in above-described embodiment is utilized to carry out indoor positioning.
In the above-described embodiments, the indoor amplifying device of the base station signal that each position is arranged all can arrange vertical at least two, to realize the mechanism of Hot Spare.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. realize a system for building inner position based on base station signal amplifying device, it is characterized in that, comprise that at least one is highly interval in described building, described system comprises:
Be arranged on the indoor amplifying device of multiple base station signals in each height interval, the indoor amplifying device of at least three base station signals is wherein set in each height interval;
Background server, the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signals for reading in the height interval residing for mobile terminal receives; And utilizing location algorithm to calculate the plan position information of this mobile terminal according to this electric wave signal, the elevation information in the height interval residing for described plan position information and this mobile terminal is as the three dimensional local information of this mobile terminal in building.
2. system according to claim 1, is characterized in that, in the indoor amplifying device of the multiple base station signals in each highly interval, has the indoor amplifying device of three base station signals at least not on same straight line.
3. system according to claim 1, is characterized in that, described height interval refers to the one deck on depth of building direction.
4. system according to claim 1, is characterized in that, the indoor amplifying device of described base station signal is connected with described background server by switch or router.
5. system according to claim 1, it is characterized in that, the condition that described background server reads the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signal receives is: background server receives the Location Request that this mobile terminal sends.
6. system according to claim 1, is characterized in that, carries the identification information of described mobile terminal in the electric wave signal that described mobile terminal sends.
7. system according to claim 1, is characterized in that, described background server, also for the three dimensional local information of described mobile terminal in building is fed back to this mobile terminal, shows for this mobile terminal.
8. one kind realizes the method for building inner position based on base station signal amplifying device, at least one is comprised highly interval in described building, the indoor amplifying device of multiple base station signal is pre-set in each height interval, the indoor amplifying device of at least three base station signals is wherein set in each height interval, it is characterized in that, the method comprises:
Read the electric wave signal sent by this mobile terminal that the indoor amplifying device of multiple base station signals in dynamic height interval residing for terminal receives;
Location algorithm is utilized to calculate the plan position information of this mobile terminal according to this electric wave signal;
The elevation information in the height interval residing for described plan position information and this mobile terminal is as the three dimensional local information of this mobile terminal in building.
9. method according to claim 8, is characterized in that, described method also comprises:
The three dimensional local information of described mobile terminal in building is fed back to this mobile terminal, so that the display of described mobile terminal.
10. method according to claim 9, is characterized in that, described method also comprises:
Send the three-dimensional map data in described building to described mobile terminal, and according to the three dimensional local information of described mobile terminal in this building, the three-dimensional map in described building shows the mark of this mobile terminal.
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| CN201510100387.2A CN104684082A (en) | 2015-03-06 | 2015-03-06 | System and method for realizing building inner positioning based on base station signal amplification devices |
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| CN201510100387.2A CN104684082A (en) | 2015-03-06 | 2015-03-06 | System and method for realizing building inner positioning based on base station signal amplification devices |
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Application publication date: 20150603 |