CN102901948B - Indoor positioning Apparatus and system - Google Patents
Indoor positioning Apparatus and system Download PDFInfo
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Abstract
The invention discloses a kind of indoor positioning Apparatus and system, this indoor positioning device includes: the first receptor, and for receiving the optical signal that illuminating lamp sends, wherein, different illuminating lamps sends different optical signals, the corresponding different coding information of different optical signals；Memorizer, for storing the corresponding relation of indoor map and decoded information and address information, wherein, address information is for representing illuminating lamp address in indoor map；Processor, is respectively connecting to the first receptor and memorizer, for processing the decoded information that optical signal is corresponding to draw coding information, and searches the address information corresponding with decoded information from memorizer.Pass through the present invention, it is ensured that the accuracy of location and promptness.
Description
Technical field
The present invention relates to positioning field, in particular to a kind of indoor positioning Apparatus and system.
Background technology
Indoor positioning device of the prior art needs to rely on whole world indoor positioning device (GPS) to determine current position.It is said that in general, GPS needs to know the longitude of determinand and latitude.At some in particular cases, it will also be appreciated that height above sea level just can be accurately positioned.There are this three groups of data, the accuracy of GPS location typically can reach 2～3 meters.Owing to existing indoor positioning device needs could work within the direct sight line of gps satellite, so when entering into the region such as market or underground parking, GPS location just loses effectiveness.
In the problem of indoor use, effective solution cannot the most not yet be proposed for indoor positioning device of the prior art.
Summary of the invention
The invention provides a kind of indoor positioning Apparatus and system, with at least solve indoor positioning device of the prior art cannot be in the problem of indoor use.
To achieve these goals, according to an aspect of the invention, it is provided a kind of indoor positioning device.
Indoor positioning device according to the present invention includes: the first receptor, and for receiving the optical signal that illuminating lamp sends, wherein, different illuminating lamps sends different optical signals, the corresponding different coding information of different optical signals；Memorizer, for storing the corresponding relation of indoor map and decoded information and address information, wherein, address information is for representing illuminating lamp address in indoor map；Processor, is respectively connecting to the first receptor and memorizer, for processing the decoded information that optical signal is corresponding to draw coding information, and searches the address information corresponding with decoded information from memorizer.
Further, said apparatus also includes: the second receptor, it is connected with processor, for receiving destination-address information, wherein, destination-address information is the address information corresponding to the destination that user inputs, and processor is additionally operable to the address information according to destination-address information and illuminating lamp and determines navigation way in indoor map, wherein, navigation way is the route from address corresponding to address to the destination that illuminating lamp is corresponding.
Further, said apparatus also includes: detector, it is connected with processor, for detecting the kind of the optical signal that the first receptor receives, processor is additionally operable to when the first receptor only receives a kind of optical signal, and the address information of illuminating lamp and destination-address information according to sending this optical signal determine navigation circuit.
Further, first receptor is additionally operable to receive the first optical signal and the second optical signal, wherein, first optical signal is the optical signal that the first illuminating lamp sends, second optical signal is the optical signal that the second illuminating lamp sends, processor is additionally operable to when the first receptor is simultaneously received the first optical signal and the second optical signal, judge the light intensity magnitude between the first optical signal and the second optical signal, when the light intensity of the first optical signal is more than the light intensity of the second optical signal, determine that navigation way is the route sending address corresponding to the illuminating lamp of the first optical signal to address corresponding to destination.
Further, said apparatus also includes: the 3rd receptor, is connected with memorizer, the indoor map after receiving renewal.
Further, the first receptor receives the optical signal of flicker, and processor is additionally operable to process the optical signal of flicker to obtain decoded information, and the lookup address information corresponding with decoded information from memorizer.
Further, the time interval that processor is additionally operable to according to optical signal flicker obtains decoded information, and from memorizer, search the address information corresponding with decoded information, wherein, when the time interval of flicker is very first time interval, the decoded information that optical signal is corresponding is 0, when the time interval of flicker is the second time interval, the decoded information that optical signal is corresponding is 1, and very first time interval is different with the second time interval.
Further, processor is additionally operable to determine the guidance code that optical signal is corresponding, wherein, guidance code is corresponded to the optical information of the 3rd time interval flicker, first receptor is after receiving the optical signal that guidance code is corresponding, receiving the optical information that digital signal is corresponding, the 3rd time interval is different from very first time interval and the second time interval.
Further, indoor positioning device also includes: display screen, is connected with processor, for showing address or the navigation circuit of location.
Further, memorizer is additionally operable to the corresponding relation storing decoded information with information, and processor is additionally operable to the information corresponding with decoded information according to processing the decoded information acquisition obtained, and display screen is additionally operable to display reminding information.
To achieve these goals, according to another aspect of the present invention, it is provided that a kind of indoor locating system.
According to a further aspect in the invention, it is provided that a kind of indoor locating system.This indoor locating system includes: multiple illuminating lamps, and wherein, the corresponding different coding information of the optical signal that different illuminating lamps sends, coding information is corresponding with decoded information, and decoded information is corresponding with the address information of illuminating lamp in indoor map；And indoor positioning device, for receiving the optical signal that illuminating lamp sends, process optical signal is to draw the decoded information of correspondence, and obtains the address information corresponding with decoded information.
Pass through the present invention, obtain the coding information that the optical signal of illuminating lamp is corresponding, by coding information and the corresponding relation of decoded information and decoded information and the corresponding relation of address information, obtain this decoded information in the address information obtaining in indoor map in advance, so that it is determined that the address of the indoor positioning device in illuminating lamp range of exposures, such that it is able to position according to the information in indoor map, therefore solve indoor positioning device of the prior art and in the problem of indoor use, and then accuracy and the promptness of location cannot be ensure that.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structured flowchart of indoor positioning device according to embodiments of the present invention；
Fig. 2 a is the structural representation of illuminating lamp according to embodiments of the present invention；
Fig. 2 b is the connection diagram of the adjusting control circuit in optical signal sending module according to embodiments of the present invention；
Fig. 2 c is the theory diagram of optical signal receiving module according to embodiments of the present invention；
Fig. 2 d is the circuit connection diagram of optical signal receiving module according to embodiments of the present invention；
Fig. 3 a is the waveform diagram of guidance code according to embodiments of the present invention；
Fig. 3 b is the waveform diagram of 0 according to embodiments of the present invention；And
Fig. 3 c is the waveform diagram of 1 according to embodiments of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Embodiments providing a kind of indoor positioning device, the indoor positioning device provided the embodiment of the present invention below is introduced.
Fig. 1 is the structured flowchart of indoor positioning device according to embodiments of the present invention.
As it is shown in figure 1, this indoor positioning device includes the first receptor 11, memorizer 12 and processor 13.
First receptor 11 is for receiving the optical signal that illuminating lamp sends, and wherein, different illuminating lamps sends different optical signals, the corresponding different coding information of different optical signals.
Illuminating lamp can be LED, is mainly used in illumination, takes into account the effect sending optical signal, and optical signal both can be the light of flicker, it is also possible to be the light of the information of carrying.In order to not affect illumination and not affect people's comfort level on sense organ, the optical signal in the present embodiment is the light of flicker.
Diverse location in the entire system, it is provided with multiple lighting lamp, different illuminating lamps is carried out different codings, so that each illuminating lamp can send the optical signal corresponding to different coding information, that is, it is different for being positioned at the optical signal that the illuminating lamp of diverse location sent.Such as, the first illuminating lamp being positioned at primary importance sends the first optical signal through the first coding, the second illuminating lamp being positioned at the second position sends the second optical signal through the second coding, the 3rd illuminating lamp being positioned at the 3rd position sends the 3rd optical signal through the 3rd coding, wherein, first optical signal is corresponding to the first coding information, and the second optical signal is corresponding to the second coding information, and the 3rd optical signal is corresponding to the 3rd coding information.
In embodiments of the present invention, illuminating lamp both can play the effect of illumination, may also operate as the effect of location, owing to the coding carrying out different illuminating lamps is different, thus, the light that different illuminating lamps is sent has different flicker frequencies, and this flicker frequency is that human eye cannot be discovered, thus so that illuminating lamp is possible not only to play the effect of illumination, and the effect of optic communication can be played, send the optical signal that uniquely may be used for positioning its position.
Fig. 2 is the structural representation of illuminating lamp according to embodiments of the present invention, as shown in Figure 2, the illuminating lamp used in the present embodiment is adding processor on the basis of ordinary lamp and lantern, such as single-chip microcomputer (MCU), to carry out Signal coding, the processor identical with indoor positioning device in the present embodiment can be used on illuminating lamp, different processors can also be used, the bus marco of indoor positioning device sends information to MCU, MCU edits different coding information according to the address that each LED is different, it is luminous that coding information controls illumination LED by brightness adjustment control, thus coding information is sent from LED.Not sending information when, dimming controlling module has dimming function equally.Illuminating lamp and coupled each several part are regarded as an optical signal sending module, then this optical signal sending module includes AC/DC change-over circuit, LED drive circuit, bus control circuit, MCU, adjusting control circuit and LED.Part in dotted line frame can be integrated into components and parts, and these components and parts are connected in existing LED drive circuit or LED driver to use.
Wherein, 220V alternating voltage is converted to DC voltage by AC/DC change-over circuit, and this circuit can be realized by transformator, it is possible to is realized by Switching Power Supply；By LED drive circuit, the DC voltage after conversion is further converted into constant current voltage and is supplied to LED；Bus control circuit can be used for transmitting control information to control the brightness of LED；Adjusting control circuit receives the information of bus transfer, produces the PWM dimmer voltage signal controlling LED.In order to meet the launch requirements of optical signal, further, bus control circuit is additionally operable to transmit the communication information to be sent, the communication information to be sent is sent to MCU by bus control circuit, MCU receives the communication information, and is compiled as pumped FIR laser information, and it is luminous that adjusting control circuit controls illumination LED according to coding information, thus the communication information is sent from LED with the form of optical signal, complete the function of optical transmission module.It should be noted that when not sending the communication information, adjusting control circuit has the function of adjusting brightness of LED lamps equally.
In the embodiment shown in Fig. 2 a, adjusting control circuit can use circuit realiration as shown in Figure 2 b.As shown in Figure 2 b, this circuit includes four resistance and two metal-oxide-semiconductor Q1, and wherein, first end of the first metal-oxide-semiconductor Q1 connects MCU, and the second end connects power supply, the 3rd end ground connection via the 14th resistance R14；First end of the second metal-oxide-semiconductor Q2 is connected to the node between the first metal-oxide-semiconductor Q1 and the 14th resistance R14, and the second end is connected to LED D2, and the 3rd end is via the 16th resistance R16 ground connection；One termination power of the 13rd resistance R13, first end of the other end and the first metal-oxide-semiconductor Q1 is connected；One end ground connection of the 15th resistance R15, the other end is connected to the node between second end of the first metal-oxide-semiconductor Q1 and first end of the second metal-oxide-semiconductor Q2.
Use this adjusting control circuit, amplified by metal-oxide-semiconductor and drive LED, produce high frequency flicker light, send optical signal.
Optical Receivers can use optical signal receiving module as shown in Figure 2 c, this Optical Receivers signal receiving end in optic communication signal transmits, the optical signal received is converted to photoelectric signal, and the photoelectric signal after conversion is amplified, stable square-wave signal is obtained by shaping after amplification, so that decoding circuit is decoded, as shown in Figure 2 c, this optical signal receiving module includes optical signal processing circuit, amplifying circuit and compares shaping circuit.
Wherein, optical signal processing circuit is used for receiving optical signal, and the optical signal received is converted to photoelectric signal；Amplifying circuit is connected with optical signal processing circuit, amplifies for the photoelectric signal exported by optical signal processing circuit；Voltage signal after relatively shaping circuit will amplify compares with threshold voltage signal, obtains a stable square-wave signal, so that decoding circuit is decoded.
Specifically, this optical signal receiving module can pass through the circuit realiration shown in Fig. 2 c.As shown in Figure 2 c, optical signal processing circuit includes optical receiving circuit and pre-amplification circuit, wherein, optical receiving circuit includes light receiving diode D1, photoconductive resistance RS and the second resistance R2, and pre-amplification circuit includes the first electric capacity C1, the 3rd resistance R3, the 4th resistance R4 and the first comparator UIA；Amplifying circuit includes the second electric capacity C2, the 5th resistance R5, the 6th resistance R6, the 8th resistance R8 and the second comparator UIB；Relatively shaping circuit includes the 9th resistance R9, the tenth resistance R10, the 11st resistance R11, the 12nd resistance R12 and the 3rd comparator UIC.
Specifically, the annexation of each circuit and the signal of output are described below respectively:
One termination power of the light receiving diode D1 in optical receiving circuit, the parallel circuit ground connection that the other end is constituted via photoconductive resistance RS and the second resistance R2, wherein, the optical signal circuit conversion in parallel received is photovoltage by light receiving diode D1, the characteristic changed with intensity of illumination due to photoconductive resistance RS resistance so that the voltage signal of optical receiving circuit output is the voltage signal that fluctuation is little, stable；
The 11 end ground connection of the first comparator UIA in pre-amplification circuit, 2 ends are via the 3rd resistance R3 ground connection, 3 ends connect optical receiving circuit, 4 termination powers via the first electric capacity C1,1 end is outfan, wherein, connecting between 2 ends and 1 end and have the 4th resistance R4, more weak voltage signal is carried out preliminary amplification by pre-amplification circuit；
5 ends of the second comparator UIB in amplifying circuit connect pre-amplification circuit via the second electric capacity C2, 6 ends are via the 7th resistance R7 ground connection, 7 ends are outfan, wherein, connect between 6 ends and 7 ends and have the 8th resistance R8, one termination power of the 5th resistance R5, the other end is connected to the node between 5 ends of the second electric capacity C2 and the second comparator UIB, one end of 6th resistance R6 is also connected to this node, other end ground connection, amplifying circuit is coupled to voltage signal by the second electric capacity C2, the voltage being coupled to due to the second electric capacity C2 obtains a galvanic current pressure by the 5th resistance R5 and the 6th resistance R6 dividing potential drop, and then do processing and amplifying by the second comparator UIB, signal is amplified in output；
Relatively 9 ends of the 3rd comparator UIC of shaping circuit are via the 11st resistance R11 ground connection, 10 ends are connected with amplifying circuit, 8 ends are outfan, wherein, connect between 8 ends and 9 ends and have the 12nd resistance R12, one termination power of the tenth resistance R10, the other end is connected to the node between 9 ends and the 11st resistance R11 of the 3rd comparator UIC, one end ground connection of the 9th resistance R9, the other end is connected to the node between 10 ends and the amplifying circuit of the 3rd comparator UIC, the voltage signal that relatively amplifying circuit is exported by shaping circuit compares with preset voltage signal, export a stable square-wave signal, do decoding to follow-up decoding circuit to use.
The coding information received due to the first receptor was also required to before being sent to main frame by decoding and analyzes, in the present embodiment, preferably, first receptor can be connected on the MCU of illuminating lamp, by the MCU in illuminating lamp coding information it is decoded and analyzes, after drawing address information, then it is connected with bus by MCU, address information is uploaded in main frame by bus.Such design simplifies the structure of indoor positioning device.
nullIlluminating lamp is when sending signal，1 signal of transmission per second，Signal includes 1 Headcode+6Bytes data，The time sending signal is 1*Headcode+6*8* (" 0 "+" 1 ")/2=102+6*8* (22+32)/2=1398us=1.4ms，Fluorescent lifetime=998.6ms，Therefore，LED non-luminous time=(Headcode*1+6*8*1) * 2=98us within the transmission time，Owing to non-luminous time real in 1s is 98us，So the effectiveness of luminescence: (1000,000-98)/1000,000=99.99%，Even if during sending signal (in 1.4ms)，Luminous effectiveness can also reach (1398-98)/1398=92.99%，Therefore，At one second the most in the case when a signal is to be transmitted，Luminous effectiveness: (1398-98)/1398=92.99%，In the present circumstance，Within one second, send 1 signal，Luminous effectiveness is (1000,000-98)/1000,000=99.99%，Do not affect normal illumination.
Memorizer 12 is for storing the corresponding relation of indoor map and decoded information and address information, and wherein, address information is for representing illuminating lamp address in indoor map.Address informations different corresponding to different decoded informations.
Indoor map can be three-dimensional map, and including the plane map of every floor, these indoor map can arrive website and download, it is also possible to obtain the map in this place when arriving certain indoor place.
Processor 13 is respectively connecting to the first receptor 11 and memorizer 12, after the first receptor 11 receives optical signal, optical signal is decoded, thus obtains the decoded information that coding information is corresponding, i.e., process optical signal to draw the decoded information corresponding with coding information, and from memorizer, search the address information corresponding with decoded information, the address of the illuminating lamp corresponding to coding information that the i.e. first receptor 11 receives, using the address of this illuminating lamp as the address positioned in the present embodiment.
The process of coding is relative with the process of decoding, address according to illuminating lamp is after row coding, being sent the optical signal corresponding with this coding information by illuminating lamp, the signal received is decoded by the processor in positioner, thus draws the address information of this illuminating lamp.
Decoding process be relative with the process that address information is encoded by illuminating lamp, illuminating lamp can 1 signal of transmission per second, signal includes 1 guidance code (Headcode)+6Bytes data.
First receptor receives the optical signal that optical signal can be flicker, and processor is additionally operable to process the optical signal of flicker to obtain decoded information, and the lookup address information corresponding with decoded information from memorizer.
nullProcessor can obtain, according to the change of light intensity during flicker or the time interval of flicker, the decoded information that optical signal is corresponding，Higher to the requirement of the Receiver Precision of the first receptor in view of obtaining corresponding decoded information according to the change of light intensity during flicker，Increase the cost of indoor positioning device，In the present embodiment，The digital signal that optical signal is corresponding is obtained by the time interval of flicker，The digital signal obtaining optical signal corresponding by time interval both need not higher hardware requirement，Also can guarantee that higher precision，Specifically，The time interval that processor is additionally operable to according to optical signal flicker obtains decoded information，And from memorizer, search the address information corresponding with the decoded information that the first receptor receives，Wherein，When the time interval of flicker is very first time interval，The decoded information that optical signal is corresponding is 0，When the time interval of flicker is the second time interval，The decoded information that optical signal is corresponding is 1，Very first time interval is different with the second time interval.
In order to ensure the accuracy that data are transmitted, guidance code can be set before digital signal, after receiving guidance code, start the digital signal accepting in optical signal again, it is preferable that processor is additionally operable to determine the guidance code that optical signal is corresponding, wherein, first receptor, after receiving the optical signal that guidance code is corresponding, receives the optical information that digital signal is corresponding, and the 3rd time interval is different from very first time interval and the second time interval.
First receptor 11 is connected with the MCU as processor 13, first receptor 11 receives high level when illuminating lamp is bright, low level is received when illuminating lamp goes out, time MCU judge whether to receive guidance code by calculating the time interval between 2 trailing edges, the reception of signal is initially entered, it is judged that signal represents " 0 " or " 1 " after receiving guidance code.nullFig. 3 is waveform diagram according to embodiments of the present invention，In the present embodiment，When 2 trailing edges that the first receptor receives，MCU can calculate time interval t of 2 trailing edges，The time interval of the trailing edge that each rising edge is corresponding is 2us，Theoretical value t=102us of guidance code，Fig. 3 a is the waveform diagram of guidance code according to embodiments of the present invention，As 92us, < t is < during 112us，MCU is judged as coming into reception state，Otherwise continue to determine whether to enter reception state，When entering reception state，Directly receive the data of 48bit，Then judge it is " 0 " or " 1 "，Fig. 3 b is the waveform diagram of 0 according to embodiments of the present invention，As shown in the figure，Theoretical value 22us of " 0 "，Fig. 3 c is the waveform diagram of 1 according to embodiments of the present invention，As shown in the figure，Theoretical value 32us of " 1 ",Therefore set criterion as: as t > 27us time determine receive for 1，When t < determine during 27us receive for 0.
In the present embodiment, encode at transmitting terminal, and send through corresponding illuminating lamp, coding owing to being carried out corresponding to the transmitting terminal of each illuminating lamp is different, thus, the coding information that multiple different illuminating lamps are corresponding is different, that is, the optical signal that different illuminating lamps is sent is different.After receiving terminal receives optical signal, being decoded optical signal, the coding information corresponding due to each optical signal is different, thus, decoded information obtained by after being decoded each optical signal is the most different such that it is able to identify the optical signal received from which illuminating lamp.After obtaining indoor map in advance, by obtaining the address information of illuminating lamp, so that it is determined that the address of the determinand in illuminating lamp range of exposures, such that it is able to navigate according to the information in indoor map, and then ensure that accuracy and the promptness of navigation.
Indoor positioning device is after the requirement of satisfied location, the requirement of navigation can be met further, preferably, indoor positioning device also includes the second receptor, second receptor is connected with processor, for receiving destination-address information, wherein, destination-address information is the address information corresponding to the destination that user inputs, processor is additionally operable to the address information according to destination-address information and illuminating lamp and determines navigation way in indoor map, wherein, navigation way is the route from address corresponding to address to the destination that illuminating lamp is corresponding.The principle of navigation is similar to original GPS navigation.
Generally speaking, certain distance is had between illuminating lamp, the optical information that an illuminating lamp sends can only be received in a certain position, preferably, indoor positioning device also includes detector, and detector is connected with processor, for the kind of the optical signal that detection the first receptor receives, processor is additionally operable to when the first receptor only receives a kind of optical signal, and the address information of illuminating lamp and destination-address information according to sending this optical signal determine navigation circuit.
In order to improve the precision of location, the distance between illuminating lamp can also be reduced, therefore, some position can receive the optical signal that many illuminating lamps send, preferably, first receptor is additionally operable to receive the first optical signal and the second optical signal, wherein, first optical signal is the optical signal that the first illuminating lamp sends, second optical signal is the optical signal that the second illuminating lamp sends, processor is additionally operable to when the first receptor is simultaneously received the first optical signal and the second optical signal, judge the light intensity magnitude between the first optical signal and the second optical signal, when the light intensity of the first optical signal is more than the light intensity of the second optical signal, determine that navigation way is the route sending address corresponding to the illuminating lamp of the first optical signal to address corresponding to destination.
Specifically, when the first receptor receives multiple optical signal, can get each opto-electronic conversion is the magnitude of voltage produced, processor is additionally operable to determine the address information that address information is indoor positioning device of the illuminating lamp that the maximum optical signal of magnitude of voltage is corresponding, and the address information and destination-address information according to indoor positioning device determines navigation circuit.In the present embodiment, it is also possible to the voltage swing that the dress at detection optical signal changes, judged that by the voltage swing detected which LED of positional distance of current car is nearest.Light intensity is the strongest, and the voltage that optical signal is corresponding is the biggest；Otherwise, light intensity is the most weak, and the voltage that optical signal is corresponding is the least.May determine which LED of current spacing is nearest by such voltage detecting.In the present embodiment, the distance between 2 LED is about 5m.Therefore, we only it is to be understood that at present indoor positioning device nearest apart from which LED, and using the position of this illuminating lamp as the position of location, so our positioning precision can reach 5m, meet daily location requirement.
In order to ensure the accuracy of navigation, can be regular or irregular map is updated, it is preferable that above-mentioned indoor positioning device also includes the 3rd receptor, the 3rd receptor indoor map after receiving renewal and outdoor map.
Indoor positioning device has the position of multiple method display room interior locating device, such as on the display panel of discontented light emitting diode, current address or navigation circuit is represented with the diode of flicker, in the present embodiment, in order to ensure more preferable display effect, also including display screen on indoor positioning device, display screen is connected with processor, is displayed for address or the navigation circuit of location.
Further, the optical signal that illuminating lamp sends includes the information preset, memorizer is additionally operable to the corresponding relation storing decoded information with information, processor is additionally operable to the information corresponding with decoded information according to processing the decoded information acquisition obtained, and display screen can be also used for display reminding information.Such as, in market, every illuminating lamp can send the information of discount etc. in the details of commodity around or sales field, and indoor positioning device shows different merchandise news next time at different illuminating lamps.
According to embodiments of the invention, additionally provide a kind of indoor locating system, including multiple illuminating lamps and indoor positioning device, wherein, the corresponding different coding information of the optical signal that different illuminating lamps sends, coding information is corresponding with decoded information, decoded information is corresponding with the address information of illuminating lamp in indoor map, indoor positioning device is for receiving the optical signal that illuminating lamp sends, and process optical signal is to draw the decoded information of correspondence, and obtains the address information corresponding with decoded information.
As can be seen from the above description, the embodiment of the present invention achieves indoor positioning accurately.
It should be noted that, can perform in the computer system of such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing, and, although showing logical order in flow charts, but in some cases, can be to be different from the step shown or described by order execution herein.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculating device, they can concentrate on single calculating device, or it is distributed on the network that multiple calculating device is formed, alternatively, they can realize with calculating the executable program code of device, thus, can be stored in storing in device and be performed by calculating device, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. an indoor positioning device, it is characterised in that including:
First receptor, for receiving the optical signal that illuminating lamp sends, wherein, different illuminating lamps sends different optical signals, the corresponding different coding information of different optical signals, wherein, having first processor on described illuminating lamp, described first processor is used for carrying out Signal coding；
Memorizer, for storing the corresponding relation of indoor map and decoded information and address information, wherein, described address information is for representing described illuminating lamp address in described indoor map；
Second processor, is respectively connecting to described first receptor and described memorizer, for processing the decoded information that described optical signal is corresponding to draw described coding information, and searches the address information corresponding with described decoded information from described memorizer,
Second receptor, is connected with described second processor, is used for receiving destination-address information, and wherein, described destination-address information is the address information corresponding to destination that user inputs,
The address information that described second processor is additionally operable to according to described destination-address information and described illuminating lamp determines navigation way in described indoor map, wherein, described navigation way is the route from address corresponding to address to the described destination that described illuminating lamp is corresponding
Described device also includes dimming controlling module, and luminous for controlling described illuminating lamp according to described coding information, described dimming controlling module is additionally operable to when not sending information regulate described lighting brightness.
Indoor positioning device the most according to claim 1, it is characterised in that
Described device also includes:
Detector, is connected with described second processor, for detecting the kind of the optical signal that described first receptor receives,
Described second processor is additionally operable to when described first receptor only receives a kind of optical signal, and the address information of illuminating lamp and described destination-address information according to sending described optical signal determine navigation circuit.
Indoor positioning device the most according to claim 1, it is characterised in that
Described first receptor is additionally operable to receive the first optical signal and the second optical signal, and wherein, described first optical signal is the optical signal that the first illuminating lamp sends, and described second optical signal is the optical signal that the second illuminating lamp sends,
Described second processor is additionally operable to when described first receptor is simultaneously received described first optical signal and described second optical signal, judge the light intensity magnitude between described first optical signal and described second optical signal, when the light intensity of described first optical signal is more than the light intensity of described second optical signal, determine that described navigation way is the route sending address corresponding to the illuminating lamp of described first optical signal to address corresponding to described destination.
Indoor positioning device the most according to claim 1, it is characterised in that described device also includes:
3rd receptor, is connected with described memorizer, the described indoor map after receiving renewal.
Indoor positioning device the most according to claim 1, it is characterised in that
Described first receptor receives the described optical signal of flicker,
Described second processor is additionally operable to process the described optical signal of flicker to obtain described decoded information, and the lookup address information corresponding with described decoded information from described memorizer.
Indoor positioning device the most according to claim 5, it is characterised in that
The time interval that described second processor is additionally operable to according to described optical signal flashes obtains described decoded information, and from described memorizer, search the address information corresponding with described decoded information, wherein, when the time interval of described flicker is very first time interval, the decoded information that described optical signal is corresponding is 0, when the time interval of described flicker is the second time interval, the decoded information that described optical signal is corresponding is 1, and interval of the described very first time is different with described second time interval.
Indoor positioning device the most according to claim 6, it is characterised in that
Described second processor is additionally operable to determine the guidance code that described optical signal is corresponding, wherein, described guidance code is corresponded to the optical information of the 3rd time interval flicker, described first receptor is after receiving the optical signal that described guidance code is corresponding, receiving the optical information that digital signal is corresponding, described 3rd time interval is different from interval of the described very first time and described second time interval.
Indoor positioning device the most according to claim 1, it is characterised in that described indoor positioning device also includes:
Display screen, is connected with described second processor, for showing the address of location or described navigation way.
Indoor positioning device the most according to claim 8, it is characterised in that
Described memorizer is additionally operable to the corresponding relation storing described decoded information with information,
Described second processor is additionally operable to the information corresponding with described decoded information according to processing the described decoded information acquisition obtained,
Described display screen is additionally operable to show described information.
10. an indoor locating system, it is characterised in that
Multiple illuminating lamps, wherein, the corresponding different coding information of the optical signal that different illuminating lamps sends, described coding information is corresponding with decoded information, the address information of described decoded information illuminating lamp described with in indoor map is corresponding, wherein, having first processor on described illuminating lamp, described first processor is used for carrying out Signal coding；And
Indoor positioning device, for receiving the optical signal that described illuminating lamp sends, processes described optical signal to draw the decoded information of correspondence, and obtains the address information corresponding with described decoded information,
Wherein, described indoor positioning device includes:
Second receptor, is connected with the second processor, is used for receiving destination-address information, and wherein, described destination-address information is the address information corresponding to destination that user inputs,
The address information that described second processor is additionally operable to according to described destination-address information and described illuminating lamp determines navigation way in described indoor map, wherein, described navigation way is the route from address corresponding to address to the described destination that described illuminating lamp is corresponding
Dimming controlling module, luminous for controlling described illuminating lamp according to described coding information, described dimming controlling module is additionally operable to when not sending information regulate described lighting brightness.
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Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203574655U (en) * | 2013-04-09 | 2014-04-30 | 北京半导体照明科技促进中心 | Device and system for transmitting information through visible light and light source |
| CN104517457A (en) * | 2013-09-30 | 2015-04-15 | 鸿富锦精密工业（深圳）有限公司 | Positioning light source device, positioning device and positioning method |
| US10185025B2 (en) * | 2013-11-20 | 2019-01-22 | Philips Lighting Holding B.V. | Methods and apparatus for light-based positioning and navigation |
| CN104007412A (en) * | 2014-06-05 | 2014-08-27 | 重庆广建装饰股份有限公司 | Indoor positioning system based on LED lamps |
| CN105444751A (en) * | 2014-08-26 | 2016-03-30 | 深圳市芯通信息科技有限公司 | LED-lamp-based indoor positioning method, device and system |
| CN104639242B (en) * | 2014-12-30 | 2018-12-28 | 深圳华智测控技术有限公司 | Road lamp identifies acquisition system and method |
| CN105004344A (en) * | 2015-07-31 | 2015-10-28 | 中辰环能技术（北京）有限公司 | AGV light navigating/positioning system |
| US10849205B2 (en) | 2015-10-14 | 2020-11-24 | Current Lighting Solutions, Llc | Luminaire having a beacon and a directional antenna |
| CN105388448A (en) * | 2015-10-26 | 2016-03-09 | 深圳市微纳集成电路与系统应用研究院 | Underground work positioning system and method, and helmet for underground work positioning |
| CN105509734A (en) * | 2015-11-30 | 2016-04-20 | 上海航天测控通信研究所 | Indoor positioning method and system based on visible light |
| US20200319291A1 (en) * | 2016-05-23 | 2020-10-08 | Interdigital Ce Patent Holdings | Method and apparatus for indoor localization |
| CN106226735A (en) * | 2016-07-26 | 2016-12-14 | 北京理工大学 | A kind of visible ray localization method based on the dynamic configuration codes of Bluetooth technology and system |
| CN107248884B (en) * | 2017-06-28 | 2021-08-13 | 联想(北京)有限公司 | Communication method, device and server |
| CN107509245B (en) * | 2017-07-06 | 2020-04-17 | 北京理工大学 | Extended tracking method based on HTC VIVE |
| CN107831469A (en) * | 2017-10-26 | 2018-03-23 | 张斌 | Optical signal positioner, method and system |
| CN108303676A (en) * | 2018-01-31 | 2018-07-20 | 张斌 | Optical signal positioning device, method and system |
| CN110470312B (en) * | 2018-05-09 | 2021-11-16 | 北京外号信息技术有限公司 | Navigation method based on optical label network and corresponding computing equipment |
| CN112017318A (en) * | 2019-05-30 | 2020-12-01 | 中国石油天然气股份有限公司 | Patrol system |
| CN110798796B (en) * | 2019-09-20 | 2020-12-18 | 南方科技大学 | Indoor positioning method and device, computer equipment and storage medium |
| CN112965473A (en) * | 2019-11-27 | 2021-06-15 | 深圳市大富科技股份有限公司 | Navigation server, automatic guided vehicle and route navigation method and system thereof |
| CN113093105B (en) * | 2021-04-09 | 2023-09-12 | 中国人民解放军战略支援部队信息工程大学 | Visible light indoor positioning method, device and system and related products |
| CN114296030A (en) * | 2021-12-30 | 2022-04-08 | 广东海洋大学 | Indoor positioning method and system based on visible light communication |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177976Y (en) * | 1991-06-29 | 1994-09-21 | 刘来浦 | Automatic traffic control system for road |
| CN1641712A (en) * | 2004-01-15 | 2005-07-20 | 于君 | Vehicle positioning system and its special vehicular device and road side facility |
| CN101738599A (en) * | 2008-11-05 | 2010-06-16 | 华硕电脑股份有限公司 | Location tracking method and related device |
| CN203054214U (en) * | 2012-11-05 | 2013-07-10 | 北京半导体照明科技促进中心 | Indoor positioning device and indoor positioning device system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102104791B (en) * | 2009-12-17 | 2012-11-21 | 财团法人工业技术研究院 | Video camera calibration system and coordinate data generation system, and method thereof |
-
2012
- 2012-11-05 CN CN201210437760.XA patent/CN102901948B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2177976Y (en) * | 1991-06-29 | 1994-09-21 | 刘来浦 | Automatic traffic control system for road |
| CN1641712A (en) * | 2004-01-15 | 2005-07-20 | 于君 | Vehicle positioning system and its special vehicular device and road side facility |
| CN101738599A (en) * | 2008-11-05 | 2010-06-16 | 华硕电脑股份有限公司 | Location tracking method and related device |
| CN203054214U (en) * | 2012-11-05 | 2013-07-10 | 北京半导体照明科技促进中心 | Indoor positioning device and indoor positioning device system |
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