CN105093169A - Wireless location device - Google Patents

Wireless location device Download PDF

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Publication number
CN105093169A
CN105093169A CN201510526361.4A CN201510526361A CN105093169A CN 105093169 A CN105093169 A CN 105093169A CN 201510526361 A CN201510526361 A CN 201510526361A CN 105093169 A CN105093169 A CN 105093169A
Authority
CN
China
Prior art keywords
radio
wireless
wireless location
positioner
base station
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510526361.4A
Other languages
Chinese (zh)
Inventor
陆正军
顾伟
吕喆
张春林
魏永艳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Power Electronics (beijing) Electronic Technology Co Ltd
4th Engineer Design & Research Institute Of Headquarters Of General Staff Of P L A
Original Assignee
China Power Electronics (beijing) Electronic Technology Co Ltd
4th Engineer Design & Research Institute Of Headquarters Of General Staff Of P L A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Power Electronics (beijing) Electronic Technology Co Ltd, 4th Engineer Design & Research Institute Of Headquarters Of General Staff Of P L A filed Critical China Power Electronics (beijing) Electronic Technology Co Ltd
Priority to CN201510526361.4A priority Critical patent/CN105093169A/en
Publication of CN105093169A publication Critical patent/CN105093169A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/08Systems for determining direction or position line
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0257Hybrid positioning
    • G01S5/0268Hybrid positioning by deriving positions from different combinations of signals or of estimated positions in a single positioning system

Abstract

The invention relates to a wireless location device comprising a passive RFID unit, and an antenna, a clock unit, a button, an acceleration sensor and a power management unit which are connected to an SOC unit. The SOC unit is used to receive a wireless signal transmitted by a location beacon, acquire location information according to the wireless signal, communicate with other wireless location devices or wireless location base stations in a networked two-way mode and send the location information to the other wireless location devices or wireless location base stations. The clock unit is used to make the wireless location device, the other wireless location devices or wireless location base stations and the location beacon periodically awakened and work at the same time. The other wireless location devices or wireless location base stations upload the received location information to a center host. The wireless location device provided by the invention can have the functions of a wireless location terminal and the functions of a wireless location base station at the same time through the SOC unit, namely, wireless networked communication, positioning, wireless sensing, wireless control and other functions can be achieved simultaneously.

Description

A kind of radio positioner
Technical field
The present invention relates to radio communication and technology of Internet of things field, be specifically related to a kind of radio positioner.
Background technology
Based on the location of IEEE802.1.5.4, sensing, the equipment controlled and technology huge number, location based on IEEE802.1.5.4 adopts three-point fix technology based on signal strength or signal to noise ratio (S/N ratio) because of it, the change being easily subject to surrounding enviroment causes the decline of positioning precision, be applied to such as civil air defense ground engineering, during large buildings enclose inside scene, because environmental structure is complicated, serious shielding, quorum sensing inhibitor, positioning precision and construction costs, difficulty of construction often becomes awkward selection, the scheme of complex scene quorum sensing inhibitor is solved for distribution technique in conventional employing rf tank, take locating base station as positioning datum coordinate points owing to being based on the location of IEEE802.1.5.4, in rf tank, distribution technique will cause the confusion of positioning datum coordinate points, thus cannot implement, moreover the existing equipment based on IEEE802.1.5.4 and technology often only separate one or binomial in the multiple main application such as decision bit, sensing, control, transmission, also not by three kinds of application integration in a locator card.
At present, the realization of locating due to existing locating device completes by carrying out range finding between running fix terminal and base station, base station is as positioning datum coordinate points, and this mode is difficult to prove effective in complex scene or indoor distributed system, can not possess the function of locating terminal and base station simultaneously; And can only with base station communication, do not possess the function of self-organized network communication between terminal.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of radio positioner, the function of wireless positioning terminal and wireless location base station can be possessed by SOC unit simultaneously, namely can realize the functions such as wireless networking communications, location, wireless sensing, controlled in wireless simultaneously.
The object of the invention is to adopt following technical proposals to realize:
A kind of radio positioner, its improvements are, comprising:
Passive RFID unit, the antenna, clock unit, button, acceleration transducer and the Power Management Unit that are connected with SOC unit respectively; Described SOC unit, for receiving the wireless signal of localizer beacon transmitting and obtaining locating information according to described wireless signal and carry out networking two-way communication with other radio positioners or wireless location base station and described locating information be sent to other radio positioners described or wireless location base station by described antenna; Described clock unit, periodically wakes up at synchronization for realizing described radio positioner, other radio positioners described, described wireless location base station and described localizer beacon and works;
The described locating information received is uploaded to central host by other radio positioners described or wireless location base station.
Preferably, described locating information comprises: the geocoding of described localizer beacon obtained according to described wireless signal and the address code information of signal strength information and described radio positioner self.
Preferably, described SOC unit, for carrying out networking two-way communication by described antenna and other radio positioners or wireless location base station and described locating information being sent to other radio positioners described or wireless location base station comprises:
Described SOC unit is shaken hands by other radio positioners of described sky line search, respective routing table and radio link quality information is exchanged after shaking hands, and according to the routing table received and radio link quality information, select the down hop path of communication to communicate by routing strategy, and described locating information is sent to other radio positioners described;
Or, described SOC unit is shaken hands by wireless location base station described in the line search of described sky, respective routing table and radio link quality information is exchanged after shaking hands, and according to the routing table received and radio link quality information, select the down hop path of communication to communicate by routing strategy, and described locating information is sent to described wireless location base station.
Further, described radio positioner, other radio positioners described, follow IEEE802.15.4 agreement between described wireless location base station and described localizer beacon.
Further, described central host calculates described radio positioner according to described locating information;
When described locating information comprises the geocoding of a described localizer beacon, then the position of described radio positioner is determined the round inner region at described localizer beacon signal intensity radius;
When described locating information comprises the geocoding of two described localizer beacons, then the position of described radio positioner is determined some positions on the line between two described localizer beacons;
When described locating information comprises the geocoding of three or three the above localizer beacons, then the position of described radio positioner is determined on the weighted mean point of more than three or three the localizer beacon position coordinateses taking signal intensity as weight.
Preferably, described button, for associating and triggering group-net communication program and call for help alarm program.
Preferably, described acceleration transducer, for dynamic conditioning wake-up period, when described radio positioner long inactivity, described wireless location card can long period dormancy, when described radio positioner moves fast, the not dormancy of described radio positioner.
Preferably, Power Management Unit comprises: wireless charging subelement, wired charging subelement and battery.
Preferably, the frequency of operation of described passive RFID unit is 13.56MHz, applies and pay application for providing gate inhibition.
Preferably, described SOC unit is the SOC (system on a chip) meeting IEEE802.15.4 point-to-point, star and ZigBeePRO mesh network and 6LoWPAN.
Beneficial effect of the present invention:
1, radio positioner can possess wireless networking communications, location, wireless sensing, Radio Control Function by SOC unit to the process of wireless signal simultaneously, both the function that networking that base station possesses, transmission and wireless senser access had been possessed, the terminal can located as one again, can also as the telepilot of a controlled in wireless;
2, radio positioner can receive, forward the wireless signal of neighbouring localizer beacon, and localizer beacon can increase and decrease flexibly according to the complexity of residing environment and to the requirement of positioning precision, thus solves the impact of complex environment on positioning precision.Wireless location cartoon is crossed reading localizer beacon and is realized location, does not rely on base station as positioning datum, thus radio frequency indoor distributed system is implemented;
3, radio positioner is by regulating the clock period of clock unit, realize radio positioner, other radio positioners, wireless location base station and localizer beacon periodically wake up at synchronization and work, thus greatly reduce the power consumption of radio positioner, other radio positioners, wireless location base station and localizer beacon;
4, radio positioner considers from the angle that user is easy to use the unit adding passive RFID, wireless location card can be used as access card, Payment Card simultaneously, avoid a people and need carry multi-card, realize all-purpose card.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of radio positioner of the present invention;
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
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 other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
A kind of radio positioner provided by the invention, as shown in Figure 1, comprising:
Passive RFID unit, the antenna, clock unit, button, acceleration transducer and the Power Management Unit that are connected with SOC unit respectively;
Described SOC unit, for receiving the wireless signal of localizer beacon transmitting and obtaining locating information according to described wireless signal and carry out networking two-way communication with other radio positioners or wireless location base station and described locating information be sent to other radio positioners described or wireless location base station by described antenna; The described locating information received is uploaded to central host by other radio positioners described or wireless location base station.
Described SOC unit is shaken hands by other radio positioners of described sky line search, respective routing table and radio link quality information is exchanged after shaking hands, and according to the routing table received and radio link quality information, select the down hop path of communication to communicate by routing strategy, and described locating information is sent to other radio positioners described;
Or, described SOC unit is shaken hands by wireless location base station described in the line search of described sky, respective routing table and radio link quality information is exchanged after shaking hands, and according to the routing table received and radio link quality information, select the down hop path of communication to communicate by routing strategy, and described locating information is sent to described wireless location base station.
When described locating information comprises the geocoding of a described localizer beacon, then the position of described radio positioner is determined the round inner region at described localizer beacon signal intensity radius;
When described locating information comprises the geocoding of two described localizer beacons, then the position of described radio positioner is determined some positions on the line between two described localizer beacons;
When described locating information comprises the geocoding of three or three the above localizer beacons, then the position of described radio positioner is determined on the weighted mean point of more than three or three the localizer beacon position coordinateses taking signal intensity as weight.
Wherein, described locating information comprises: the geocoding of described localizer beacon obtained according to described wireless signal and the address code information of signal strength information and described radio positioner self.
Described radio positioner, other radio positioners described, between described wireless location base station and described localizer beacon, follow IEEE802.15.4 agreement.
Described SOC unit is the SOC (system on a chip) meeting IEEE802.15.4 point-to-point, star and ZigBeePRO mesh network and 6LoWPAN.
Described clock unit, periodically wakes up at synchronization for realizing described radio positioner, other radio positioners described, described wireless location base station and described localizer beacon and works;
Such as: by the clock alignment of described radio positioner, other radio positioners described, described wireless location base station and described localizer beacon and setting cycle is 1s, then described radio positioner, other radio positioners described, described wireless location base station and described localizer beacon complete once respective work every 1s simultaneously, thus realize radio positioner 1s location once, reduce the power consumption of radio positioner.
Described button, for associating and triggering group-net communication program and call for help alarm program.
Described acceleration transducer, for dynamic conditioning wake-up period, when described radio positioner long inactivity, described wireless location card can long period dormancy, when described radio positioner moves fast, the not dormancy of described radio positioner.
Power Management Unit comprises: wireless charging subelement, wired charging subelement and battery.
The frequency of operation of described passive RFID unit is 13.56MHz, applies and pay application for providing gate inhibition.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; although with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement; and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed within claims of the present invention.

Claims (10)

1. a radio positioner, is characterized in that, comprising:
Passive RFID unit, the antenna, clock unit, button, acceleration transducer and the Power Management Unit that are connected with SOC unit respectively; Described SOC unit, for receiving the wireless signal of localizer beacon transmitting and obtaining locating information according to described wireless signal and carry out networking two-way communication with other radio positioners or wireless location base station and described locating information be sent to other radio positioners described or wireless location base station by described antenna; Described clock unit, periodically wakes up at synchronization for realizing described radio positioner, other radio positioners described, described wireless location base station and described localizer beacon and works;
The described locating information received is uploaded to central host by other radio positioners described or wireless location base station.
2. radio positioner as claimed in claim 1, it is characterized in that, described locating information comprises: the geocoding of described localizer beacon obtained according to described wireless signal and the address code information of signal strength information and described radio positioner self.
3. radio positioner as claimed in claim 1, it is characterized in that, described SOC unit, for carrying out networking two-way communication by described antenna and other radio positioners or wireless location base station and described locating information being sent to other radio positioners described or wireless location base station comprises:
Described SOC unit is shaken hands by other radio positioners of described sky line search, respective routing table and radio link quality information is exchanged after shaking hands, and according to the routing table received and radio link quality information, select the down hop path of communication to communicate by routing strategy, and described locating information is sent to other radio positioners described;
Or, described SOC unit is shaken hands by wireless location base station described in the line search of described sky, respective routing table and radio link quality information is exchanged after shaking hands, and according to the routing table received and radio link quality information, select the down hop path of communication to communicate by routing strategy, and described locating information is sent to described wireless location base station.
4. radio positioner as claimed in claim 3, is characterized in that, described radio positioner, other radio positioners described, follows IEEE802.15.4 agreement between described wireless location base station and described localizer beacon.
5. radio positioner as claimed in claim 2, it is characterized in that, described central host calculates described radio positioner according to described locating information;
When described locating information comprises the geocoding of a described localizer beacon, then the position of described radio positioner is determined the round inner region at described localizer beacon signal intensity radius;
When described locating information comprises the geocoding of two described localizer beacons, then the position of described radio positioner is determined some positions on the line between two described localizer beacons;
When described locating information comprises the geocoding of three or three the above localizer beacons, then the position of described radio positioner is determined on the weighted mean point of more than three or three the localizer beacon position coordinateses taking signal intensity as weight.
6. radio positioner as claimed in claim 1, is characterized in that, described button, for associating and triggering group-net communication program and call for help alarm program.
7. radio positioner as claimed in claim 1, it is characterized in that, described acceleration transducer, for dynamic conditioning wake-up period, when described radio positioner long inactivity, described wireless location card can long period dormancy, when described radio positioner moves fast, and the not dormancy of described radio positioner.
8. radio positioner as claimed in claim 1, it is characterized in that, Power Management Unit comprises: wireless charging subelement, wired charging subelement and battery.
9. radio positioner as claimed in claim 1, it is characterized in that, the frequency of operation of described passive RFID unit is 13.56MHz, applies and pay application for providing gate inhibition.
10. radio positioner as claimed in claim 1, is characterized in that, described SOC unit is the SOC (system on a chip) meeting IEEE802.15.4 point-to-point, star and ZigBeePRO mesh network and 6LoWPAN.
CN201510526361.4A 2015-08-25 2015-08-25 Wireless location device Pending CN105093169A (en)

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US20100115302A1 (en) * 2008-10-30 2010-05-06 Samsung Electro-Mechanics Co., Ltd. Low power zigbee device and low power wake-up method
CN102469406A (en) * 2010-11-18 2012-05-23 上海启电信息科技有限公司 Mobile location mark based on wireless sensing technology
US20120151089A1 (en) * 2010-12-08 2012-06-14 Atheros Communications, Inc. Direct data communication in a peer-to-peer network

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Application publication date: 20151125

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