CN208609206U - One-dimensional positioning base station - Google Patents
One-dimensional positioning base station Download PDFInfo
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- CN208609206U CN208609206U CN201820734604.2U CN201820734604U CN208609206U CN 208609206 U CN208609206 U CN 208609206U CN 201820734604 U CN201820734604 U CN 201820734604U CN 208609206 U CN208609206 U CN 208609206U
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- base station
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- label card
- range finder
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Abstract
The utility model relates to radio-positioning field more particularly to a kind of one-dimensional positioning base stations.By the way that range finder module is arranged in a locating base station and monitors module, while range finder module is completed with label card wireless interaction, monitor the arrival time stamp that module also has recorded distance measurement request signal and ranging answer signal, according to label card, the timestamp information that range finder module and monitoring module are recorded, may be implemented calculate between label card and locating base station apart from while also complete judgement to label card relative to the direction of locating base station, in conjunction with the location information of locating base station itself, the acquisition under one-dimensional environment to the precise position information of label card may be implemented.According to locating base station structure provided by the utility model, the positioning of single base station two sides can be completed at the same time, and label card and base station need to only carry out single ranging, ranging time-consuming shortens, to increase the cruise duration of label card, the occupancy of wireless channel is decreased simultaneously, increases the capacity of label card in system.
Description
Technical field
The utility model relates to radio-positioning field more particularly to a kind of one-dimensional positioning base stations.
Background technique
For mine, the one-dimensional environmental positioning application field such as tunnel, in the prior art frequently with following positioning method or dress
It sets and personnel is positioned:
1, TOF localization method: using two range units, according between the label card range unit different from two away from
From determining position of the label card relative to two range units；
2, application No. is 201710470536.3 " a kind of TOF one-dimensional positioning base station and localization method " patent application documents
Disclosed in locating base station, two radio-frequency modules of one main radio frequency and an auxiliary radio frequency are set, pass through two isometric feedbacks
Line is separately connected two radio-frequency antennas to position to label card；
3, TDOA localization method: two locating base stations are set under the one-dimensional environment such as tunnel, mine, are emitted by label card
Signal arrives separately at the time difference between two locating base stations to determine the position of label card；
4, using be not only capable of measuring label card at a distance from base station but also be capable of measuring label card signal reach antenna for base station angle
Single base station to label card position.
However, these designs have the following problems and disadvantage: for the 1st kind of prior art, label card needs to carry out
The operation of ranging twice not only increases the occupancy of wireless channel, meanwhile, also the power consumption of label card can be made to double, reduced
The cruise duration of label card arranges and takes electricity also relative difficulty in practical additionally due to needing to install two range units；
For the 2nd kind of prior art, it can actually be considered the range unit mentioned based on the first prior art
Simple combination, there are the problem of it is same, in addition, actually being answered for using two isometric feeder lines to connect with radio-frequency antenna
In, it is difficult to realize completely isometric requirement, that is, position may cause error at any time；In 3rd kind of prior art, two fixed
Position base station needs to realize that clock is synchronous, just can guarantee effective timestamp information, and to guarantee that the signal of label card can reach
Two locating base stations, the setting of the distance between two locating base stations are also restrained；For the 4th kind of existing technical solution, because
To position using AOA, just can determine that the position of label card using single base station, but because base station need to complete 180 degree come to sentencing
Disconnected, single base station has differences in structure with common ranging base station, the higher cost on hardware.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of one-dimensional positioning base station, it is intended that providing one kind
Single architecture of base station can be completed at the same time the positioning of single base station two sides, and label card and base station need to only carry out single ranging, to increase
Tag cruise duration of card, while decreasing the occupancy of wireless channel, increases the capacity in system to label card.
To achieve the above object, the technical scheme that the utility model is provided is as follows:
A kind of one-dimensional positioning base station, for label card position, including range finder module, monitor module, the first radio-frequency antenna,
Second radio-frequency antenna, clock unit and Network Interface Unit；The clock unit provides phase for range finder module and monitoring module
Same clock, range finder module and the first radio-frequency antenna are electrically connected, and monitor module and the second radio-frequency antenna is electrically connected, the survey
It is used to carry out wireless interaction with label card away from module and tracer signal sends and receives timestamp, monitor module for receiving signal
And record the time of arrival (toa) in label and range finder module interactive process and stab, Network Interface Unit is for locating base station and positioning
The communication connection of engine or server.
Further, the range finder module is also used to receive the location information of label card passback, and the location information includes
Label card sends and receivees between the timestamp information or the calculated label card of label card and locating base station of signal record
Range information.
Further, the range finder module includes wireless transceiver and the first control processor, and the monitoring module includes
Radio-frequency transmitter and the second control processor, wireless transceiver are connect with the first control processor, radio-frequency transmitter and the second control
Processor connection processed.
Further, the range finder module and the control processor of monitoring module are electrically connected with Network Interface Unit.
Preferably, the locating base station further includes solving unit, for being believed according to the position of timestamp information combination base station
Breath resolves position coordinates of the label card in one-dimensional positioning application scenarios.
A kind of one-dimensional positioning base station, including range finder module, monitoring module, the first radio-frequency antenna, the second radio-frequency antenna, clock
Unit and Network Interface Unit；The clock unit provides identical clock, range finder module for range finder module and monitoring module
It is electrically connected with the first radio-frequency antenna, monitors module and the second radio-frequency antenna is electrically connected, the range finder module is used for and label
Card progress wireless interaction and tracer signal send and receive timestamp, when monitoring module is for receiving signal and tracer signal arrival
Between stab, communication connection of the Network Interface Unit for locating base station and engine of positioning or server.
Preferably, the range finder module is wireless transceiver, and the monitoring module is radio-frequency transmitter.
Further, locating base station further includes control processing module, and range finder module monitors module and Network Interface Unit
It is connect respectively with control processing module, control processing module control range finder module monitors module and Network Interface Unit work.
Further, control processing module be also used to according to distance measuring unit obtain location information and record timestamp with
And the timestamp of monitoring unit record resolves position coordinates of the label card in one-dimensional positioning application scenarios.
The Network Interface Unit includes wireless wifi communication unit or Ethernet interface.
First radio-frequency antenna and the second radio-frequency antenna are identical.
Using locating base station structure described in the utility model, it is at least available following the utility model has the advantages that
1, by the way that range finder module is arranged in a locating base station and monitors module, range finder module and label card wireless interaction
And tracer signal sends and receives timestamp respectively, when monitoring the arrival of module record distance measurement request signal and ranging answer signal
Between stab, using label card, range finder module and monitor the timestamp information of module record and may be implemented calculating label card and fixed
Between the base station of position apart from while also complete judgement to label card relative to the direction of locating base station, to realize one
Tie up the acquisition under environment to the precise position information of label card.
2, the structure of the locating base station based on the utility model, label card only need to carry out ranging with a range finder module,
Single ranging, ranging time-consuming shorten, greatly reduce its positioning flow compared with the prior art, that is, increase the continuation of the journey of label, simultaneously
Reduce the occupancy of wireless channel again, and then increases the capacity of system label.
3, in the application environment of one-dimensional positioning, the terminal to be positioned positioned at base station two sides is only just completed by a base station
Positioning and orientation greatly reduce the deployment amount and lower deployment cost of base station so that the coverage area of base station is double.
Detailed description of the invention
The utility model is described in further detail below in conjunction with attached drawing.
Attached drawing 1 shows a kind of structure chart of one-dimensional positioning base station of the offer of the utility model embodiment one；
Attached drawing 2 shows a kind of structure chart of one-dimensional positioning base station of the offer of the utility model embodiment two；
Attached drawing 3 shows a kind of structure chart of one-dimensional positioning base station of the offer of the utility model embodiment three；
Attached drawing 4 is that the utility model positions label card based on one-dimensional positioning base station described in embodiment one, two or three
The first working timing figure；
Attached drawing 5 is that the utility model positions label card based on embodiment one, two or the three one-dimensional positioning base stations
Two kinds of working timing figures.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to the accompanying drawings and examples
The utility model is described in further details, the exemplary embodiment and its explanation of the utility model are only used for explaining this reality
With novel, it is not intended to limit the scope of the present invention.
Explanation for the relational language mentioned in the utility model:
1, location information described in the utility model refers to that label card sends and receivees the timestamp letter of signal record
Breath or the distance between the calculated label card of label card and locating base station information；
2, the stamp of correlation time described in the utility model information refers to that range finder module and the transmission of label card record are believed
Number and receive signal timestamp information and monitor module record signal reception time stab information；
3, the direction of label card described in the use of the new type refers to that label card is located at the left side or the right side of locating base station
Side, the utility model are defined, for direction from left to right, to determine simultaneously from the first radio-frequency antenna to the direction of the second radio-frequency antenna
It is the negative direction of change in coordinate axis direction on the left of adopted locating base station, is the positive direction of change in coordinate axis direction on the right side of locating base station.
The embodiments of the present invention one provide the structure of one-dimensional positioning base station shown in FIG. 1, including range finder module,
Monitor module, the first radio-frequency antenna, the second radio-frequency antenna, clock unit and Network Interface Unit；The clock unit is to survey
Away from module and the identical clock of module offer is monitored, range finder module and the first radio-frequency antenna are electrically connected, and monitor module and second
Radio-frequency antenna is electrically connected, and the range finder module is used to carry out wireless interaction with label card and tracer signal sends and receives the time
Stamp is monitored module and is drawn for locating base station with positioning for receiving signal simultaneously tracer signal arrival time stamp, Network Interface Unit
It holds up or the communication connection of server, wherein range finder module can also be used in the location information for receiving label card passback；In the embodiment,
The range finder module includes wireless transceiver and the first control processor, and wireless transceiver is connect with the first control processor,
Monitoring module includes radio-frequency transmitter and the second control processor, and radio-frequency transmitter is connect with second controller, wireless transceiver
Its work for carrying out receiving and transmitting signal, logging timestamp information is controlled by the first control processor, radio-frequency transmitter is by the second control
Device controls the work for carrying out reception signal, logging timestamp information.Range finder module and monitoring module can will stab letter correlation time
Breath is uploaded to engine of positioning by Network Interface Unit by the way of wireless WIFI communication or wire communication and resolves outgoing label
The position coordinates of card.
The embodiments of the present invention two provide the structure of one-dimensional positioning base station shown in Fig. 2, including range finder module,
Monitor module, the first radio-frequency antenna, the second radio-frequency antenna, clock unit, solving unit and Network Interface Unit；Range finder module
It is electrically connected with the first radio-frequency antenna, monitors module and the second radio-frequency antenna is electrically connected, clock unit is range finder module and prison
Module is listened to provide identical clock, range finder module, the structure for monitoring module are identical as described in embodiment one, in the present embodiment
The two is also connect with solving unit, and solving unit is used for according to range finder module and monitors the correlation time stamp of module record, positioning
The location information of base station and other location informations resolve the position coordinates of label card, wherein the location information of the locating base station can
To obtain from the data storage cell in server, specifically pass through Network Interface Unit and server communication.
The embodiments of the present invention three provide the structure of one-dimensional positioning base station shown in Fig. 3, including range finder module,
Monitor module, the first radio-frequency antenna, the second radio-frequency antenna, clock unit, control processing module and Network Interface Unit；Ranging
Module and the first radio-frequency antenna are electrically connected, and monitor module and the second radio-frequency antenna is electrically connected, clock unit is range finder module
There is provided identical clock with module is monitored, range finder module, monitor module and Network Interface Unit respectively with control processing module
Connection, control processing module control range finder module monitor module and Network Interface Unit work, and the range finder module is wireless receives
Device is sent out, the monitoring module is radio-frequency transmitter.Based on structure described in the embodiment, the position coordinates for resolving label card can be with
It is resolved by the control processing module of locating base station, person's location data can also be uploaded to by positioning by Network Interface Unit and drawn
Hold up resolving.
Based on one-dimensional positioning architecture of base station described in any one embodiment in embodiment one to three, wherein the first radio frequency day
The distance between line and the second radio-frequency antenna are it is known that and be obtained with specific data in design.In practice, according to timestamp
Adjustable first radio-frequency antenna of precision information and the distance between the second radio-frequency antenna, timestamp is more accurate, then both
Distance can accomplish it is smaller.
Based on one-dimensional positioning architecture of base station pair described in any one embodiment in embodiment one to three in the utility model
Label card positioning can be realized by one of following two working method:
Working method 1:
Working timing figure is as shown in Figure 4:
(1) distance measurement request is initiated by range finder module A, and records distance measurement request signal sending time stamp tA, sending signal is
Broadcast singal is sent to label card X and monitors module B；
(2) it after monitoring the signal that module B and label card X receives range finder module A, monitors module B and label card X and records respectively
Distance measurement request receives signal time and stabs rBAAnd rXA；
(3) label card X sends ranging answer signal to range finder module A and monitors module B, is similarly the forms of broadcasting, and remember
It records sending time and stabs tXA；
(4) monitoring module B, which receives ranging answer signal, can obtain timestamp information rB, range finder module A receives signal
Afterwards, record ranging answer signal receiving time stabs rA；
The distance between label card and locating base station are calculated according to formula d=c*t, in which:
Obtain label card between locating base station at a distance from after information, still not can determine that the absolute position of label card
It sets, range finder module A is combined because also to obtain the direction of label card, in the utility model and monitors the timestamp between module B
Information may determine that the direction of label card, specifically sentence to mode are as follows:
Locating base station structure described in one of 1-3 with reference to the accompanying drawings, since range finder module A has to module B is monitored:
If then label card has in the left side of locating base station:
If label card has on the right side of locating base station:
It is obtained after abbreviation:
Label card has in the left side of locating base station: rA-rB-tA+rBA=0
Label card has on the right side of locating base station
By calculating rA-rB-tA+rBAValue, so that it may complete for label card direction judgement, thus in conjunction with distance
Information d realizes the acquisition to the accurate position coordinates of label card.
Working method 2:
Working timing figure is as shown in Figure 5:
(1) distance measurement request is initiated by label card X, and records distance measurement request signal sending time stamp tXA, it is wide for sending signal
Signal is broadcast, range finder module A is sent to and monitors module B；
(2) it after monitoring the signal that module B and range finder module A receives label card X, monitors module B and range finder module A and records respectively
Distance measurement request receives signal time and stabs rBAnd rA；
(3) range finder module A sends ranging answer signal to label card X and monitors module B, is similarly the forms of broadcasting, and remember
It records sending time and stabs tA；
(4) monitoring module B, which receives ranging answer signal, can obtain timestamp information rBA, after label card X receives signal,
It records ranging answer signal receiving time and stabs rXA；
The distance between label card and locating base station are calculated according to formula d=c*t, in which:
Using with method identical to method is sentenced described in working method 1, pass through calculate rA-rB-tAThe value of+r, so that it may
To complete the judgement in the direction for label card, to realize in conjunction with range information d to the accurate position coordinates of label card
It obtains.
In the present invention, the first working method based on shown in Fig. 4, the position coordinates of the label card can be
In example 2 in the control processing module of locating base station described in the solving unit of the locating base station or embodiment three
Resolving obtains, and is also possible to locating base station by Network Interface Unit and location data is uploaded to engine of positioning, by engine of positioning
Resolving obtains.Solving unit or control processing module is needed to read by the position coordinates that locating base station resolves label card related
Timestamp information, and using above-mentioned range formula and sentence to the value combination locating base station location information of expression formula and resolve to obtain,
Wherein the location information of locating base station is obtained from the data storage cell of server.
Based on second of working method shown in fig. 5, the distance between the label card and locating base station can be in labels
Range formula on card as described above calculates, and range information is back to locating base station by label card, or passes through label
Block the timestamp information sent and received signal recorded and be back to locating base station, calculated label card by locating base station and is determined
The distance between position base station, or when passing through Network Interface Unit for correlation after locating base station gets correlation time stamp
Between stamp information be uploaded to engine of positioning, resolved by engine of positioning；While at a distance from acquisition label card is between locating base station,
Locating base station or engine of positioning resolve outgoing label in conjunction with the location information of locating base station according to the value sentenced to expression formula
The position coordinates of card.
Specifically, the position coordinates method for resolving label card is as follows:
Assuming that the angle of one-dimensional application scenarios and practical application map is θ, the locating base station world coordinates of installation is (x0,
y0), label card A has been got on the left of locating base station and between locating base station based on one-dimensional positioning method described above
Distance is dA, label card B locating base station right side and between locating base station at a distance from be dB, then sat using the global of base station
Information is marked, the position coordinates of available label card A and label card B in map are respectively (xA,yA), (xB,yB)；Wherein xA=
x0-dA× cos θ, yA=y0-dA×sinθ；xB=x0+dB× cos θ, yB=y0+dB×sinθ。
Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into
One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model
Determine the protection scope of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of one-dimensional positioning base station, for being positioned to label card, which is characterized in that including range finder module, monitor module, first
Radio-frequency antenna, the second radio-frequency antenna, clock unit and Network Interface Unit；The clock unit is range finder module and monitoring mould
Block provides identical clock, and range finder module and the first radio-frequency antenna are electrically connected, and monitors module and electrically connects with the second radio-frequency antenna
It connects, the range finder module is used to carry out wireless interaction with label card and tracer signal sends and receives timestamp, monitors module and uses
It is stabbed in receiving signal and recording the time of arrival (toa) in label and range finder module interactive process, Network Interface Unit is for positioning
The communication connection of base station and engine of positioning or server.
2. one-dimensional positioning base station according to claim 1, which is characterized in that the range finder module is also used to receive label card
The location information of passback, the location information include the timestamp information or label that label card sends and receivees signal record
Block the distance between calculated label card and locating base station information.
3. one-dimensional positioning base station according to claim 1 or 2, which is characterized in that the range finder module includes wireless receiving and dispatching
Device and the first control processor, the monitoring module include radio-frequency transmitter and the second control processor, wireless transceiver and
The connection of one control processor, radio-frequency transmitter are connect with the second control processor.
4. one-dimensional positioning base station according to claim 3, it is characterised in that the range finder module and the control for monitoring module
Processor is electrically connected with Network Interface Unit.
5. one-dimensional positioning base station according to claim 4, it is characterised in that further include solving unit, for according to timestamp
The location information of information combination base station resolves position coordinates of the label card in one-dimensional positioning application scenarios.
6. one-dimensional positioning base station according to claim 1 or 2, which is characterized in that the range finder module is wireless transceiver,
The monitoring module is radio-frequency transmitter.
7. one-dimensional positioning base station according to claim 6, it is characterised in that it further include controlling processing module, range finder module,
It monitors module and Network Interface Unit to connect with control processing module respectively, control processing module control range finder module is monitored
Module and Network Interface Unit work.
8. one-dimensional positioning base station according to claim 7, it is characterised in that control processing module is also used to according to ranging mould
The timestamp of location information and record that block obtains and the timestamp for monitoring module record resolve label card and answer in one-dimensional positioning
With the position coordinates in scene.
9. according to claim 1, one-dimensional positioning base station described in 2,4,5,7 or 8, which is characterized in that the Network Interface Unit
Including wireless wifi communication unit or Ethernet interface.
10. one-dimensional positioning base station according to claim 9, which is characterized in that first radio-frequency antenna and the second radio frequency
Antenna is identical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820734604.2U CN208609206U (en) | 2018-05-17 | 2018-05-17 | One-dimensional positioning base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820734604.2U CN208609206U (en) | 2018-05-17 | 2018-05-17 | One-dimensional positioning base station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449793A (en) * | 2018-05-17 | 2018-08-24 | 成都恒高科技有限公司 | One-dimensional positioning base station and localization method |
| CN110596640A (en) * | 2019-08-23 | 2019-12-20 | 华清科盛(北京)信息技术有限公司 | One-dimensional positioning system and method based on single-base-station double-tag ranging |
| CN114630269A (en) * | 2022-02-28 | 2022-06-14 | 北京百度网讯科技有限公司 | Signal processing method, device, equipment and storage medium |
-
2018
- 2018-05-17 CN CN201820734604.2U patent/CN208609206U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108449793A (en) * | 2018-05-17 | 2018-08-24 | 成都恒高科技有限公司 | One-dimensional positioning base station and localization method |
| CN108449793B (en) * | 2018-05-17 | 2024-05-10 | 成都四相致新科技有限公司 | One-dimensional positioning base station and positioning method |
| CN110596640A (en) * | 2019-08-23 | 2019-12-20 | 华清科盛(北京)信息技术有限公司 | One-dimensional positioning system and method based on single-base-station double-tag ranging |
| CN114630269A (en) * | 2022-02-28 | 2022-06-14 | 北京百度网讯科技有限公司 | Signal processing method, device, equipment and storage medium |
| CN114630269B (en) * | 2022-02-28 | 2024-01-09 | 北京百度网讯科技有限公司 | Signal processing method, device, equipment and storage medium |
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Effective date of registration: 20190910 Address after: Room 904, 905, 906, 1005, 1006 and 1007, No. 898 Baicao Road, Chengdu High-tech West District, Sichuan Province, 611731 Patentee after: Chengdu Sixiangzhi New Technology Co., Ltd. Address before: 611731 No. 898, Bai Cao Road, hi-tech West District, Chengdu, Sichuan. Patentee before: CHENGDU EVERHIGH TECHNOLOGY CO., LTD. |