CN106131905A - A kind of base station switch method in low-power consumption indoor and outdoor location technology - Google Patents
A kind of base station switch method in low-power consumption indoor and outdoor location technology Download PDFInfo
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- CN106131905A CN106131905A CN201610764197.5A CN201610764197A CN106131905A CN 106131905 A CN106131905 A CN 106131905A CN 201610764197 A CN201610764197 A CN 201610764197A CN 106131905 A CN106131905 A CN 106131905A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
- H04W64/003—Locating users or terminals or network equipment for network management purposes, e.g. mobility management locating network equipment
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses the base station switch method in a kind of low-power consumption indoor and outdoor location technology, low-power consumption location node is disposed in indoor environment, LPWAN technology is used to realize low power consumption transmission location information to background monitoring system, indoor positioning is completed by backstage, simultaneously, in outdoor, employing satellite navigation system positions, and by LPWAN, the longitude and latitude result that satellite navigation system exports is back to backstage, it is achieved the comprehensive location of indoor and outdoor;And by disposing multiple base stations and the location node in base station range being done preset table, and the base station information being communicatively coupled that record location node site receiving terminal should select in table, whether carry out the switching between base station and base station according to the power selection of location Tag Radio Frequency signal or inside switches to suitable modulation system, signal data is modulated transmission so that it is more accurate to position.
Description
Technical field
The present invention relates to electronic information field, particularly relate to the base station switching side in a kind of low-power consumption indoor and outdoor location technology
Method.
Background technology
Along with the development of technology of Internet of things, the demand of all things on earth interconnection is persistently risen with expectation, particularly exists by society
Indoor positioning field, the demand of location scene gets more and more, and this also promotes the development in localization method field, and people are at present
Application demand propose many and obtain the scheme of location information, as GNSS, WiFi localization method, bluetooth localization method, RFID,
The technology such as UWB.
Indoor positioning market prospect is extensive at present, and iBeacon is the technical scheme that Apple releases, and opens indoor positioning
The new entrance of application, numerous indoor positioning schemes based on this technology are arisen at the historic moment.
Scheme one:
At indoor deployment iBeacon localizer beacon, beacon sends framing signal, owing to sending framing signal in each second
Time is only several milliseconds, and therefore localizer beacon power consumption is extremely low, can be reached more than 5 years by battery use of powering, and localizer beacon is installed
Convenient, implementation cost is low.
Receive terminal and continue the framing signal of detection and location beacon transmission and by communication technologys such as Wi-Fi, 2G, 3G, 4G
Transfer data to background system, backstage alignment system carry out position calculation.Receive terminal and persistently carry out framing signal scanning
And communication work, power consumption of terminal and cost are the highest, significantly limit its application.
Scheme two:
At indoor deployment bluetooth detector, people or article wear or disposes Bluetooth label, label sending bluetooth
Signal, bluetooth detector receives this signal and passes through network by signal return to background system, background system calculating location knot
Really.
This kind of mode Bluetooth label has only to the framing signal several milliseconds of middle transmission per second, and tag power consumption is low, during use
Between long, low cost.But bluetooth detector continues the location information of detecting bluetooth label transmission and by WiFi, 3G, 4G or netting twine
Transferring data to background system etc. communication technology, therefore bluetooth detector needs external power supply or POE netting twine, and bluetooth detector becomes
This height, disposes and implements cost greatly, significantly limit the application of this kind of mode.
Meanwhile, more accurate in order to position, the selection of communication base station is the most particularly important.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention provides the base station in a kind of low-power consumption indoor and outdoor location technology to switch
Method, can select suitable base station to communicate according to the signal power of location label, so that location is more accurate.
To this end, the base station switch method that the invention discloses in a kind of low-power consumption indoor and outdoor location technology, including walking as follows
Rapid:
S1, disposing low-power consumption location node in required indoor environment, described low-power consumption location node includes that bluetooth positions
Beacon;
S2, after receiving terminal receives location information, use the foundation of LPWAN technology and base station to be connected, location information led to
Crossing base station and be transferred to background monitoring system, carry out position calculation, receiving terminal, along with the position change of object, automatically selects switching
Carry out data transmission to most suitable base station.
Described LPWAN technology is ultra long haul low power consumption data transmission technology LoRa, protenchyma networking technology based on honeycomb
One in NB-IoT.
Further, step S2 includes:
S201, dispose multiple base station;
S202, the location node in base station range is done a preset table, record location node location in table
The base station information being communicatively coupled that some receiving terminal should select;
S203, receiving terminal receive strong fix node signal time, then inquire about preset table, it is thus achieved that base station information should be selected also
Set up communication therewith.
Further, whether base station carries out inside switch to suitably adjust according to the power selection of location Tag Radio Frequency signal
Mode processed, is modulated transmission to signal data.
Inside of base station has FSK communication and communicates with LoRa two-way radio frequency, and receiving terminal foundation base station sends at set intervals
The power of a LoRa beacon broadcast signal, the best base station of selected signal prepares to set up and connects, when base station detects reception
When the signal power that end sends is more than certain threshold value, use FSK communication mode, otherwise, then switching uses the side of LoRa communication
Formula.
Receiving terminal is along with the variation of object position, and base station detects that the signal power of receiving terminal can be gradually lowered, base station
Internal communication by FSK switches to LoRa communication, and LoRa communication improves sensitivity by tuning up spreading factor;Sensitivity as LoRa
When reaching certain value, receiving terminal returns to beginning state, rescans selection base station, when finding the higher base station of signal, then switches
So far base station.
Further, step S3 is also included:
In outdoor, employing satellite navigation system positions, and the longitude and latitude result that satellite navigation system exports is passed through
LPWAN is back to backstage, it is achieved the comprehensive location of indoor and outdoor.
When receiving terminal is able to receive that Bluetooth signal, satellite navigation module does not works;As Bluetooth signal can not be received,
Then satellite navigation module is started working, it is achieved the conversion of station-keeping mode.
That receiving terminal receives and by the location information of LPWAN technical transmission be No. ID detected by receiving terminal and
Signal intensity.
Carry out one-time positioning signal detection and transmission at set intervals;When sensor sensing to personnel or article do not move
Then automatically into resting state, when sensing that personnel or item motion then automatically waken up, enter duty.
Compared with prior art, the present invention uses and disposes the low-power consumption location nodes such as bluetooth localizer beacon in indoor environment,
Use LPWAN technology realize low power consumption transmission location information to background monitoring system, backstage complete indoor positioning, meanwhile,
Outdoor employing satellite navigation system positions, after the longitude and latitude result that satellite navigation system exports being back to by LPWAN
Platform, it is achieved the comprehensive location of indoor and outdoor, had both overcome the problem that in prior art, cost is high and power consumption is high, and when sensor sense
Personnel should be arrived or article do not move then automatically into resting state, be effectively increased continuation of the journey and stand-by time, greatly improve reality
Border promotional value;And by disposing multiple base stations and the location node in base station range being done preset table, and remember in table
The base station information being communicatively coupled that node site, record location receiving terminal should select, according to location Tag Radio Frequency signal
Whether power selection carries out the switching between base station and base station or inside switches to suitable modulation system, adjusts signal data
System transmission so that it is more accurate to position.
Accompanying drawing explanation
Fig. 1 is the method flow diagram of the present invention.
Detailed description of the invention
Below embodiments of the invention are described in detail.
Referring to Fig. 1, the present invention provides the base station switch method in a kind of low-power consumption indoor and outdoor location technology, including as follows
Step:
S1, disposing low-power consumption location node in required indoor environment, described low-power consumption location node includes that bluetooth positions
Beacon;
S2, after receiving terminal receives location information, use the foundation of LPWAN technology and base station to be connected, location information led to
Crossing base station and be transferred to background monitoring system, carry out position calculation, receiving terminal, along with the position change of object, automatically selects switching
Carry out data transmission to most suitable base station;
S3, in outdoor, employing satellite navigation system positions, and the longitude and latitude result that satellite navigation system exports is passed through
LPWAN is back to backstage, it is achieved the comprehensive location of indoor and outdoor.
Described LPWAN technology is ultra long haul low power consumption data transmission technology LoRa, protenchyma networking technology based on honeycomb
One in NB-IoT.
Step S2 includes:
S201, dispose multiple base station;
S202, the location node in base station range is done a preset table, record location node location in table
The base station information being communicatively coupled that some receiving terminal should select;
S203, receiving terminal receive strong fix node signal time, then inquire about preset table, it is thus achieved that base station information should be selected also
Set up communication therewith.As a example by disposing two base-station, base-station A and base station B, if in the zone of intersection of base station A, B, receiving terminal receives
Strong location node is node 1, inquires about preset table, finds that node 1 position described in preset table should select base station B to carry out
Communication, then receiving terminal communicates with base station B;If node 1 position described in discovery preset table should select base station A to carry out
Communication, then receiving terminal communicates with base station A.
Meanwhile, during internal switching, whether base station carries out inside according to the power selection of location Tag Radio Frequency signal switches to
Suitably modulation system, is modulated transmission to signal data.
Each inside of base station has FSK communication and communicates with LoRa two-way radio frequency, and receiving terminal foundation base station is at set intervals
The power of the LoRa beacon broadcast signal sent, the base station preparation foundation connection that selected signal is best, when base station detects
When the signal power that receiving terminal sends is more than certain threshold value, use FSK communication mode, otherwise, then switching uses LoRa communication
Mode.
LoRa beacon broadcast signal was spent in the road by FSK communication responsible in the two-way radio frequency of inside of base station in each second
Take the time transmission such as 50 milliseconds.
Receiving terminal is along with the variation of object position, and base station detects that the signal power of receiving terminal can be gradually lowered, base station
Internal communication by FSK switches to LoRa communication, and LoRa communication improves sensitivity by tuning up spreading factor;Sensitivity as LoRa
When reaching certain value, receiving terminal returns to beginning state, rescans selection base station, when finding the higher base station of signal, then switches
So far base station.
When receiving terminal is able to receive that Bluetooth signal, satellite navigation module does not works;As Bluetooth signal can not be received,
Then satellite navigation module is started working, it is achieved the conversion of station-keeping mode.
That receiving terminal receives and by the location information of LPWAN technical transmission be No. ID detected by receiving terminal and
Signal intensity.
Carry out one-time positioning signal detection and transmission at set intervals;When sensor sensing to personnel or article do not move
Then automatically into resting state, when sensing that personnel or item motion then automatically waken up, enter duty.
To sum up, the present invention uses and disposes the low-power consumption location nodes such as bluetooth localizer beacon in indoor environment, uses LPWAN skill
Art realize low power consumption transmission location information to background monitoring system, backstage complete indoor positioning, meanwhile, at outdoor employing satellite
Navigation system positions, and by LPWAN, the longitude and latitude result that satellite navigation system exports is back to backstage, it is achieved indoor and outdoor
Comprehensive location, both overcome the problem that cost in prior art is high and power consumption is high, and when sensor sensing is to personnel or thing
Product do not move then automatically into resting state, are effectively increased continuation of the journey and stand-by time, greatly improve actual promotional value;And
By disposing multiple base stations and the location node in base station range being done preset table, and record location node place in table
Whether the base station information being communicatively coupled that place receiving terminal should select, enter according to the power selection of location Tag Radio Frequency signal
Switching or inside between row base station and base station switch to suitable modulation system, and signal data is modulated transmission so that fixed
Position is more accurate.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (10)
1. the base station switch method in a low-power consumption indoor and outdoor location technology, it is characterised in that comprise the steps:
S1, disposing low-power consumption location node in required indoor environment, described low-power consumption location node includes the location letters such as bluetooth
Mark;
S2, after receiving terminal receives location information, use the foundation of LPWAN technology and base station to be connected, location information passed through base
Station is transferred to background monitoring system, carries out position calculation, and receiving terminal, along with the position change of object, automatically selects and switches to
Suitably base station carries out data transmission.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 1, it is characterised in that described LPWAN technology
For the one in ultra long haul low power consumption data transmission technology LoRa, protenchyma networking technology NB-IoT based on honeycomb.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 2, it is characterised in that step S2 includes:
S201, dispose multiple base station;
S202, the location node in base station range being done a preset table, in table, record location node site connects
The base station information being communicatively coupled that receiving end should select;
S203, receiving terminal receive strong fix node signal time, then inquire about preset table, it is thus achieved that base station information therewith should be selected
Set up communication.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 2, it is characterised in that base station is according to location mark
Whether the power selection of label radiofrequency signal carries out inside switches to suitable modulation system, and signal data is modulated transmission.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 4, it is characterised in that inside of base station has
FSK communication communicate with LoRa two-way radio frequency, and the LoRa beacon broadcast that receiving terminal foundation base station sends at set intervals is believed
Number power, the best base station of selected signal prepares to set up and connects, when base station detects that the signal power that receiving terminal sends is more than
During certain threshold value, use FSK communication mode, otherwise, then switching uses the mode of LoRa communication.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 5, it is characterised in that receiving terminal is along with target
The variation of object location, base station detects that the signal power of receiving terminal can be gradually lowered, and inside of base station is switched to LoRa by FSK communication
Communication, LoRa communication improves sensitivity by tuning up spreading factor;When the sensitivity of LoRa reaches certain value, receiving terminal returns to
Beginning state, rescans selection base station, when finding the higher base station of signal, then switches so far base station.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 1, it is characterised in that also include step S3:
In outdoor, employing satellite navigation system positions, and the longitude and latitude result that satellite navigation system exports is returned by LPWAN
Reach backstage, it is achieved the comprehensive location of indoor and outdoor.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 7, it is characterised in that when receiving terminal can connect
When receiving Bluetooth signal, satellite navigation module does not works;As do not received Bluetooth signal, then satellite navigation module starts work
Make, it is achieved the conversion of station-keeping mode.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 1, it is characterised in that receiving terminal receives
And be No. ID detected by receiving terminal and signal intensity by the location information of LPWAN technical transmission.
The indoor and outdoor localization method of a kind of low-power consumption the most according to claim 1, it is characterised in that in step S2, every
A period of time carries out one-time positioning signal detection and transmission;When sensor sensing to personnel or article do not move then automatically into stopping
Dormancy state, when sensing that personnel or item motion then automatically waken up, enters duty.
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CN201610764197.5A CN106131905A (en) | 2016-08-30 | 2016-08-30 | A kind of base station switch method in low-power consumption indoor and outdoor location technology |
JP2017079558A JP7094659B2 (en) | 2016-08-30 | 2017-04-13 | Positioning system and positioning method |
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CN106792475A (en) * | 2017-01-04 | 2017-05-31 | 南京全世联科技有限公司 | A kind of Internet of Things indoor positioning device and internet-of-things terminal |
CN106792957A (en) * | 2017-03-13 | 2017-05-31 | 贵州财富之舟科技有限公司 | The method for switching network and system of NB IoT terminals |
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