CN101750598B - Wearable indoor positioning system based on radio frequency identification technology and method thereof - Google Patents
Wearable indoor positioning system based on radio frequency identification technology and method thereof Download PDFInfo
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- CN101750598B CN101750598B CN2008102388764A CN200810238876A CN101750598B CN 101750598 B CN101750598 B CN 101750598B CN 2008102388764 A CN2008102388764 A CN 2008102388764A CN 200810238876 A CN200810238876 A CN 200810238876A CN 101750598 B CN101750598 B CN 101750598B
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Abstract
The invention discloses a wearable indoor positioning system based on a radio frequency identification technology and a method thereof, wherein the method comprises: using an RFID electronic tag as a receiving end infrastructure and burying on the ground of a known environment, establishing the one-to-one mapping between the ID mark of each RFID electronic tag and the coordinate information of the position where the RFID electronic tag is; sewing a transmitting end reader-writer and a reader-writer antenna on the clothes of a user; firstly reading a mapping relationship list of the ID mark of the RFID electronic tags in the known environment and geographic information stored in a tag user area recorded on a map after the user enters the known environment, reading the ID mark information of the RFID electronic tag in the known environment in the actuating range of the reader-writer antenna by using a fixed sampling period, calculating the position where the user is at present in real time, and displaying the position on the map of a display unit so as to provide the solution for indoor positioning with real-time response, high precision and low cost for the user.
Description
Technical field
The present invention relates to the wireless indoor field of locating technology, relate in particular to a kind of wearable indoor positioning system and method based on REID.
Background technology
Along with development of wireless communication devices; People increase the increasing demand of location with navigation; Particularly in the indoor environment of complicacy; In environment such as airport hall, exhibition center, warehouse, supermarket, library, park, underground parking, mine, need utilize portable terminal positional information to be provided for personnel, facility and article.Therefore; People have proposed the solution of many indoor positioning technology; Comprise A-GPS location technology, ultrasonic locating technology, Bluetooth technology, infrared technology, super-broadband tech, WLAN, light track and localization technology; And graphical analysis, beacon location, computer vision location technology etc. be by broad research, even some has got into the commercial application stage.
Common location technology can be summed up as following several kinds of modes: the 1) location technology of measuring-signal direction (the arrival angle of signal is called for short AOA); 2) location technology of measured signal power; 3) measuring-signal travel-time characteristic (time of arrival, is called for short TOA; Or time of arrival is poor, is called for short TDOA) location technology.More than several kinds of modes all need in environment, dispose the transmitting terminal infrastructure that initiatively transmits in advance; Like Navsat, communication base station or information device etc.; The user is through the signal of the passive reception transmitting terminal of the receiving device of carrying infrastructure; Like GPS navigation appearance, mobile phone or mobile node (Node) etc., and analyze, obtain the relevant information of current location at last through different algorithms.The general transmitting terminal cost that initiatively transmits is all higher, and passive receiving end cost is relatively low, and therefore this mode just is applicable to the application model that receiving end is numerous, can effectively reduce system's resulting cost.But because aforesaid way receives the restriction of some objective condition; Such as the restriction that receives the conditions such as time synchronized, environmental disturbances, electromagnetic multipath transmisstion effect and complicated indoor environment between transmitting terminal infrastructure and the receiving device; Cause propagation model to exist than mistake; Bearing accuracy is not high, does not up to the present also have to occur satisfying the technology to complicated indoor environment location demand.
Why aforementioned common location technology is not suitable for indoor positioning, also has a very big reason just to be the singularity that indoor positioning is used.In order to let wireless signal can cover all scopes of indoor environment; Just need in indoor environment, arrange a large amount of transmitting terminal infrastructure; Will certainly cause system synthesis increase originally like this, therefore need a kind of new technology and pattern to solve the indoor positioning problem.
The RFID full name is RF identification (Radio Frequency Identification), is a kind of non-contact automatic identification technology that utilizes radio-frequency technique to realize.The RFID electronic tag has that volume is little, read or write speed is fast, shape is various, long service life, reusable, memory capacity big, can penetrate characteristics such as non-conductive material; Can realize multiple goal identification and moving target identification in conjunction with rfid interrogator, further through with tracking and information shared that combines to realize article in the global range of Internet technology.
More existing at present use active RFID products are realized the public reported of indoor positioning.But the active RFID cost of products is higher, is unfavorable for promoting.The passive RFID product; Particularly frequency of operation is at the ultrahigh frequency band RFID product of 840～960MHz, and according to the size of emissive power, the common distance that reads is at 1 meter～10 meters; As adopting read write line that aforementioned location technology need dispose higher density as transmitting terminal infrastructure, few people adopt.
Summary of the invention
In order to solve prior art problems; The objective of the invention is through using passive RFID electronic label as infrastructure; Wearable read write line is bound to as transmitting terminal on one's body the human body that need carry out indoor positioning, and a kind of real-time response, high precision, low-cost wearable indoor positioning system and method based on REID are provided.
In order to reach said purpose, one side of the present invention provides a kind of wearable indoor positioning system based on REID, and it comprises:
One RFID electronic tag is fixed on the face of land of known indoor environment as receiving end, sets up the ID identification information of RFID electronic tag and the coordinate information of position;
One floor pavement body is laid on the face of land and the RFID electronic tag, is used for fixing and protects the RFID electronic tag;
One map writes down label, places the remarkable position, porch of this known indoor environment, an ID identification information and one section user area information of being used to store the RFID electronic tag;
One reading and writing device antenna is sutured on user's the clothing as transmitting terminal, and the user is positioned at known indoor environment;
One read write line is sutured on user's the clothing, and links to each other with reading and writing device antenna, and the user is positioned at known indoor environment, is used to read the ID identification information of RFID electronic tag and the coordinate information of position;
One microprocessor unit links to each other with read write line, is used to receive the position that ID identification information that read write line sends calculates the current place of user in real time;
One display unit links to each other with microprocessor unit, is used to show the position at the current place of user;
One power supply unit is connected with read write line, microprocessor unit and display unit respectively, is used to provide power supply.
In order to reach said purpose, another aspect of the present invention provides a kind of Wearable indoor orientation method based on REID, may further comprise the steps:
Step 1: start power supply unit and initialization;
Step 2: the user wears the porch that the clothing that is sewed with reading and writing device antenna and read write line enters into known environment;
Step 3: read write line reads an ID identification information, and sends to microprocessor unit;
Step 4: whether it belongs to map record label to microprocessor unit according to the ID identification information judgment; In this way; Then send instruction to read write line; Read the mapping relations table of RFID electronic tag ID sign and geography information of the known environment of map record tagging user district stored, send it to microprocessor unit again; As not, then invalid, get into step 202 again;
Step 5: microprocessor unit is set up the visual image of this environmental geography information, and in display unit, is shown with the ground diagram form according to the mapping relations table of the RFID electronic tag ID sign that receives with geography information;
Step 6: the user gets into this known environment, and read write line writes down the ID identification information on label and the RFID electronic tag with the figure fully that fixed sample period reads in the reading and writing device antenna reach, and sends to microprocessor unit;
Step 7: microprocessor unit is according to received ID identification information, and the filtering map writes down the ID identification information of label;
Step 8: microprocessor unit utilizes the ID identification information of RFID electronic tag to calculate the position at the current place of user, and with this position display on the map of display unit;
Step 9: whether get into the next sampling period, in this way, then repeating step 206; As not, then get into next step;
Step 10: close power supply unit, finish this use.
The invention has the beneficial effects as follows: 1) utilize passive RFID electronic label to be embedded in advance as GEOGRAPHICAL INDICATION on the ground of known environment, can give full play to the low advantage of passive RFID electronic label cost, thereby significantly reduce the infrastructure input of positioning system; 2) in deployment density one timing of RFID electronic tag, can control bearing accuracy through the output power of regulating the transmitting terminal read write line, read in the distance common, output power is big more, and positioning error will be more little; 3) reader/writer module of miniaturization and people's clothes are stitched together, make its proper motion that does not influence human body, realize the real-time positioning of this people in known environment.
Description of drawings
Fig. 1 is the wearable indoor positioning system synoptic diagram based on REID provided by the invention.
Fig. 2 is the Wearable indoor orientation method process flow diagram based on REID provided by the invention.
Figure 31 and Figure 32 are based on the Wearable indoor orientation method locating effect figure of REID in the embodiment of the invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with specific embodiment, and with reference to accompanying drawing, to further explain of the present invention.
Wearable indoor positioning system and method based on REID provided by the invention is based on radio-frequency technique, and (Radio Frequency Identification RFID) realizes.The RFID technology is a kind of non-contact automatic identification technology that utilizes radio-frequency technique to realize.RFID electronic label read-write speed is fast, memory capacity big, can penetrate non-conductive material; Simultaneously passive RFID electronic label can carry out under non line of sight at a distance that (several meters to 10 meters) read in batches, so just becomes one of effective scheme of solution indoor positioning problem.
As shown in Figure 1; Fig. 1 is the wearable indoor positioning system synoptic diagram based on REID provided by the invention, comprising floor pavement body 1, RFID electronic tag 2, map record label 3, reading and writing device antenna 4, read write line 5, clothing 6, power supply unit 7, microprocessor unit 8 and display unit 9.In one embodiment of the invention, RFID electronic tag 2 is selected the uhf band electronic tag that meets the ISO/IEC18000-6C agreement for use, only comprises 64 bit EPC codes, the no user district; Map record label 3 is selected the ultrahigh frequency electronic tag that meets ISO/IEC 18000-6C agreement for use, comprises the user area of 64 bit EPC codes and 4K byte, can store maximum 32768 two-dimentional geographic coordinate information; Read write line 5 is selected a portable ultrahigh frequency reader-writer based on the exploitation of SkyeModule M9 reader/writer module for use, and output power is 23dBm; Reading and writing device antenna 4 is selected the omnidirectional antenna of a ceramic bases for use, gain 4dBi.RFID electronic tag 2 be fixed on area be 90 square meters (long * is wide=face of land of 9*10) rectangle indoor environment on; Lay at interval with 0.6 meter; Be equipped with 240 altogether; Floor pavement body 1 is the flooring laminate material, is laid on the face of land and the RFID electronic tag 1, plays effect fixing and protection RFID electronic tag 1; A map record label 3 is placed on the eye-catching red marker thing, places the remarkable position, porch of this known indoor environment.The clothing 6 that user's dress is integrated with reading and writing device antenna 4 and read write line 5 gets into this environment; Wherein reading and writing device antenna 4 is sutured in the leg position of clothing 6; Link to each other with read write line 5, read write line 5 is sutured in the waist location of clothing 6, links to each other with microprocessor unit 8; Microprocessor unit 8 further links to each other with display unit 9, and power supply unit 7 provides power supply respectively for read write line 5, microprocessor unit 8 and display unit 9.Its principle is to use RFID electronic tag 2 to be embedded on the ground of known environment as receiving end infrastructure, sets up the ID sign of each RFID electronic tag 2 and the mapping one by one of the coordinate information of its position; Transmitting terminal read write line 5 is sutured on user's the clothing with reading and writing device antenna 4; The user at first reads the mapping relations table of ID sign and geography information of RFID electronic tag 2 of the known environment of map record label 3 user area stored after getting into this known environment; Read the ID identification information of the RFID electronic tag 2 in reading and writing device antenna 4 reach afterwards with fixed sample period; And calculate the position at the current place of user in real time by microprocessor unit 8, be shown on the map of display unit 9.
In one embodiment of the invention, power supply unit 7, microprocessor unit 8 and display unit 9 can be replaced by a notebook computer.Notebook computer transmits data through USB interface and read write line 5, and provides+5V voltage for read write line 5.Like this, the user just can be integrated with the clothing 6 of reading and writing device antenna 4 and read write line 5 through dress, and checks own real-time position information in map through hand-held notebook computer.
As another embodiment of the present invention; Power supply unit 7 is integrated on the clothing 6 with microprocessing unit 8 equally; Wherein power supply unit 7 is sutured in the position, back of clothing 6 with the lithium battery form; Microprocessor unit 8 is encapsulated in the same housing with read write line 5, is sutured in the waist location of clothing 6, and display unit 9 is for being worn over the Helmet Mounted Display of user's head.Like this, the clothing 6 that user's dress is integrated with reading and writing device antenna 4, read write line 5, power supply unit 7 and microprocessing unit 8 gets into this environment, can in the Helmet Mounted Display as display unit 9, see the position at own current place.
Under the constant situation of reading and writing device antenna 4 design, the emissive power of read write line 5 has directly determined the EFFECTIVE RANGE of reading and writing device antenna 4.If the deployment density of RFID electronic tag 2 is certain on the face of land, increase the emissive power of read write line 5, can make the EFFECTIVE RANGE of reading and writing device antenna 4 farther, thereby in one period sampling period, read more RFID electronic tag 2.Therefore according to the reducing gradually of read write line 5 emissive powers, can the position that reading and writing device antenna 4 is sutured in the shank of clothing 6 be reduced gradually.In order not influence user's proper motion, thigh front side or big leg outer side, knee upside, shank front side or the shank outside, the ankle outer fix that can be chosen in clothing 6 are sewed up reading and writing device antenna 4.
RFID electronic tag 2 can store and be read in have two parts, the one, its ID identification information is generally a string 64 bits or 96 bit unique codes that generate according to the coding standard form; Another part is the user area, and the user can be according to the needs storing therein various information of oneself.Read write line 5 only reads its ID identification information usually when reading RFID electronic tag 2.Read the user area content if desired, then need read the ID identification information of this RFID electronic tag 2 earlier, again the user area content is operated.Owing to need write down the mapping relations table of ID sign with the geography information of the RFID electronic tag 2 of preserving known environment in the label 3 at map, therefore just must utilize the user area of RFID electronic tag 2.Like this; Just store two segment informations in the map record label 3; Be respectively an ID identification information and one section user area information, wherein previous or a plurality of certain bits of ID identification information are fix information, are used to distinguish map record label and are laid on the RFID electronic tag on the face of land; All the other are the unique identification of this map record label 3, the ID sign of the RFID electronic tag 2 of user area information stores known environment and the mapping relations table of geography information.In one embodiment of the invention; The ID identification information of map record label 3 is " 000000000E0003E0 "; Wherein preceding four (16 bit) " 0000 " are predefined fix information; Be used for representing map record label 3,12 (48 bit) " 00000E0003E0 " of back are the unique identification of this map record label 3.
And only need ID identification information of storage in the RFID electronic tag 2, therefore can select the low-cost electronic tag that does not have the user area for use.Previous or a plurality of certain bits of its ID identification information are and the ID identification information different fixed information of map record label 3 that all the other are the unique identification of this RFID electronic tag.In one embodiment of the invention; Preceding four ID identification informations in one group of RFID electronic tag are respectively " E007000019D2417F ", " E007000019D24173 ", " E007000019D2411B ", " E007000019D240A5 "; Wherein preceding four (16 bit) " E007 " of each ID identification information are predefined fix information; Be used for representing the RFID electronic tag, each 12 (48 bit) " 000019D2417F ", " 000019D24173 ", " 000019D2411B ", " 000019D240A5 " of back are the unique identification of this RFID electronic tag.
The geography information mapping relations table of map record label 3 user area stored; Comprise the mapping one by one of the ID sign of two dimension or three-dimensional coordinate information and the RFID electronic tag 2 of this position in the known environment space coordinates, can also comprise the position color, material, have or not corner angle, the whether mapping of state such as removable and attribute information.In one embodiment of the invention, the ID sign of the RFID electronic tag 2 of the known environment of user area storage with the mapping relations table of geography information is:
0，0＝E007000019D2417F
1，0＝E007000019D24173
2，0＝E007000019D2411B
3，0＝E007000019D240A5
4，0＝E007000019D240C5
5，0＝E007000019D240C3
0，1＝E007000019D24196
1，1＝E007000019D2415A
2，1＝E007000019D24165
3，1＝E0070000132E26E4
Wherein two of the equal sign front numerals are respectively to putting horizontal ordinate and the ordinate on known environment coordinate system two dimensional surface map, the ID identification information of the RFID electronic tag 2 that this point of the string representation of equal sign back is corresponding.
As shown in Figure 2, be wearable RFID indoor orientation method process flow diagram provided by the invention, may further comprise the steps:
Step 201: start power supply unit 7 and initialization;
Step 202: the user wears the porch that the clothing 6 that is sewed with reading and writing device antenna 4 and read write line 5 enters into known environment;
Step 203: read write line 5 reads an ID identification information, and sends to microprocessor unit 8;
Step 204: whether it belongs to map record label 3 to microprocessor unit 8 according to the ID identification information judgment; In this way; Then send instruction to read write line 5; Read the mapping relations table of ID sign and geography information of RFID electronic tag 2 of the known environment of map record label 3 user area stored, again its mapping relations table is sent to microprocessor unit 8; As not, then invalid, get into step 202 again;
Step 205: microprocessor unit 8 is set up the visual image of this environmental geography information, and in display unit 9, is shown with the ground diagram form according to the mapping relations table of ID sign with the geography information of the RFID electronic tag 2 that receives;
Step 206: the user gets into this known environment, and read write line 5 writes down the ID identification information on label 3 and the RFID electronic tag 2 with the figure fully that fixed sample period reads in reading and writing device antenna 4 reach, and sends to microprocessor unit 8;
Step 207: microprocessor unit 8 is according to received ID identification information, and the filtering map writes down the ID identification information of label 3;
Step 208: microprocessor unit 8 utilizes the ID identification information of RFID electronic tag 2 to calculate the position at the current place of user, and with this position display on the map of display unit 9;
Step 209: whether get into the next sampling period, in this way, then repeating step 206; As not, then get into next step;
Step 210: close power supply unit 7, finish this use.
In step 204; Whether it belongs to map record label 3 to microprocessor unit 8 according to the ID identification information judgment; Be to make a decision according to this ID identification information fix informations previous or a plurality of certain bits, when this certain bits information belonged to predefined map record label 3, then microprocessor unit 8 judged that it writes down label 3 for map; When this certain bits information belonged to predefined RFID electronic tag 2, microprocessor unit 8 judged that it is a RFID electronic tag 2.As among the described in front embodiment; The ID identification information of RFID electronic tag 2 preceding four (16 bit) " 0000 " is the predefined fix information that is used for representing map record label 3, and " E007 " is the predefined fix information that is used for representing RFID electronic tag 2.Through reading preceding four and compare with preset fix information, just can it be to belong to map to write down label 3 according to certain ID identification information judgment very soon, or RFID electronic tag 2.
In step 208; Microprocessor unit 8 utilizes the ID identification information of RFID electronic tag 2 to calculate the position at the current place of user, and when ID identification information received in a sampling period was one, then the pairing volume coordinate of this ID identification information position was current position; For example working as the pairing volume coordinate of this ID identification information is (2; 3) time, then the result of calculation of current position is (2,3); When ID identification information received in a sampling period when being a plurality of, the barycenter that then calculates the pairing volume coordinate of a plurality of ID identification informations position is current position, as receiving 3 ID identification informations simultaneously; Pairing volume coordinate is respectively (2; 2), (3,2), (3,1); Then the result of calculation of current position is (8/3,5/3).
As Figure 31 and shown in Figure 32 be wearable RFID indoor orientation method locating effect figure in the embodiment of the invention.At first in known environment, dispose the position in labyrinth, marked best route as a reference, promptly shown in Figure 31.Among the embodiment, the hand-held notebook computer that is used for substituting power supply unit 7, microprocessor unit 8 and display unit 9 of user, the clothing 6 of wearing integrated reading and writing device antenna 4 and read write line 5 gets into this labyrinth inlet and best route.RFID electronic tag 2 deployment density are for being separated by 0.6 meter, and 5 sampling periods of read write line are 0.5 second, and to calculate each position line when finishing according to aforementioned method of the present invention shown in figure 32 in sampling period, and error is all less than 0.3 meter.As can be seen from the figure; Although the Wearable indoor orientation method based on REID provided by the present invention is owing to receive the influence of factors such as read write line read rate and human body electromagnetic interference (EMI); Still there is certain positioning error; But compare with the RFID indoor positioning mode of present other prior art, bearing accuracy can satisfy the user to indoor positioning real-time response, high precision, requirement cheaply still than higher.
Describing above is to be used to realize the present invention and embodiment; Scope of the present invention should not described by this and limit; It should be appreciated by those skilled in the art,, all belong to claim of the present invention and come restricted portion in any modification that does not depart from the scope of the present invention or local replacement.
Claims (10)
1. the wearable indoor positioning system based on REID is characterized in that, comprising:
One RFID electronic tag is fixed on the face of land of known indoor environment as receiving end, sets up the ID sign of each RFID electronic tag and the coordinate information of its position and shines upon one by one;
One floor pavement body is laid on the face of land and the RFID electronic tag, is used for fixing and protects the RFID electronic tag;
One map writes down label, places the remarkable position, porch of this known indoor environment, is used to store an ID identification information and one section user area information of map record label;
One reading and writing device antenna is sutured on user's the clothing as transmitting terminal, and the user is positioned at known indoor environment;
One read write line is sutured on user's the clothing, and links to each other with reading and writing device antenna, and the user is positioned at known indoor environment, is used to read the ID identification information of RFID electronic tag and the coordinate information of position;
One microprocessor unit links to each other with read write line, and the ID identification information that is used to receive the RFID electronic tag that read write line sends calculates the position at the current place of user in real time;
One display unit links to each other with microprocessor unit, is used to show the position at the current place of user;
One power supply unit is connected with read write line, microprocessor unit and display unit respectively, is used to provide power supply.
2. the wearable indoor positioning system based on REID according to claim 1; It is characterized in that: said reading and writing device antenna is sutured in the leg position of clothing; Be reducing gradually according to the read write line emissive power; Can the position that reading and writing device antenna is sutured in the shank of clothing be reduced gradually; In order not influence user's proper motion, thigh front side or big leg outer side, knee upside, shank front side or the shank outside, the ankle outer fix that can be chosen in clothing are sewed up reading and writing device antenna.
3. the wearable indoor positioning system based on REID according to claim 1; It is characterized in that: an ID identification information and one section user area information of said map record tag storage; Wherein previous or a plurality of certain bits of ID identification information are fix information; Be used to distinguish map record label and be laid on the RFID electronic tag on the face of land, all the other are the unique identification of this map record label; The RFID electronic tag ID sign of said user area information stores known environment and the mapping relations table of geography information.
4. the wearable indoor positioning system based on REID according to claim 3; It is characterized in that: the geography information mapping relations table of said map record tagging user district stored comprises the two dimension of this position in the known environment space coordinates or the mapping one by one of three-dimensional coordinate information and RFID electronic tag ID sign at least.
5. the wearable indoor positioning system based on REID according to claim 1; It is characterized in that: said RFID electronic labeling information is only stored an ID identification information; Its previous or a plurality of certain bits are and map record label ID identification information different fixed information that all the other are the unique identification of this RFID electronic tag.
6. the wearable indoor positioning system based on REID according to claim 1; It is characterized in that: said microprocessor unit is used to receive map record label and the RFID electronic labeling information that read write line sends; Set up the visual image of geography information; Calculate the current geographic position of living in of user according to the RFID electronic labeling information, and in display unit, show to the user.
7. the wearable indoor positioning system based on REID according to claim 1; It is characterized in that: said power supply unit, microprocessor unit and display unit both can be sutured in the clothing with reading and writing device antenna and read write line, and the read write line in also can be used as independent external equipment and being sutured in clothing links to each other.
8. the Wearable indoor orientation method based on REID is characterized in that, may further comprise the steps:
Step 1: start power supply unit and initialization;
Step 2: the user wears the porch that the clothing that is sewed with reading and writing device antenna and read write line enters into known environment;
Step 3: read write line reads an ID identification information, and sends to microprocessor unit;
Step 4: whether it belongs to map record label to microprocessor unit according to the ID identification information judgment; In this way; Then send instruction to read write line; Read the mapping relations table of RFID electronic tag ID sign and geography information of the known environment of map record tagging user district stored, send it to microprocessor unit again; As not, then invalid, get into step 2 again;
Step 5: microprocessor unit is set up the visual image of this environmental geography information, and in display unit, is shown with the ground diagram form according to the mapping relations table of the RFID electronic tag ID sign that receives with geography information;
Step 6: the user gets into this known environment, and read write line writes down the ID identification information on label and the RFID electronic tag with the figure fully that fixed sample period reads in the reading and writing device antenna reach, and sends to microprocessor unit;
Step 7: microprocessor unit is according to received ID identification information, and the filtering map writes down the ID identification information of label;
Step 8: microprocessor unit utilizes the ID identification information of RFID electronic tag to calculate the position at the current place of user, and with this position display on the map of display unit;
Step 9: whether get into the next sampling period, in this way, then repeating step 6; As not, then get into next step;
Step 10: close power supply unit, finish this use.
9. the Wearable indoor orientation method based on REID according to claim 8; It is characterized in that: whether it belongs to map record label to said microprocessor unit according to the ID identification information judgment; Be to make a decision according to this ID identification information fix informations previous or a plurality of certain bits; When this certain bits information belongs to predefined map record label; Then microprocessor unit judges that it is map record label, and when this certain bits information belonged to predefined RFID electronic tag, it was the RFID electronic tag for the microprocessor unit judgement.
10. the Wearable indoor orientation method based on REID according to claim 8; It is characterized in that: said microprocessor unit utilizes the ID identification information of RFID electronic tag to calculate the position at the current place of user; When ID identification information received in a sampling period is one; Then the pairing volume coordinate of this ID identification information position is current position; When ID identification information received in a sampling period when being a plurality of, the barycenter that then calculates the pairing volume coordinate of a plurality of ID identification informations position is current position.
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| CN2008102388764A CN101750598B (en) | 2008-12-03 | 2008-12-03 | Wearable indoor positioning system based on radio frequency identification technology and method thereof |
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| CN2008102388764A CN101750598B (en) | 2008-12-03 | 2008-12-03 | Wearable indoor positioning system based on radio frequency identification technology and method thereof |
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| CN101750598B true CN101750598B (en) | 2012-06-27 |
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| CN2008102388764A Expired - Fee Related CN101750598B (en) | 2008-12-03 | 2008-12-03 | Wearable indoor positioning system based on radio frequency identification technology and method thereof |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1290465A1 (en) * | 2000-03-26 | 2003-03-12 | Timothy J. Neher | Personal locatiom detection system |
| CN1420364A (en) * | 2001-11-21 | 2003-05-28 | 上海奥达光电子科技有限公司 | Method and system for measuring position of indoor moving body |
| KR100769824B1 (en) * | 2006-10-10 | 2007-10-23 | 주식회사 케이티 | System and method for position information management of electronic armlet attached rfid sensor or sensor node |
| CN101191833A (en) * | 2007-12-12 | 2008-06-04 | 北京航空航天大学 | Radio frequency recognition indoor position finding and detection method based on receiving signal intensity |
| JP4123494B2 (en) * | 2003-07-28 | 2008-07-23 | 有限会社アール・シー・エス | Mobile object search system |
| TWM341280U (en) * | 2007-12-19 | 2008-09-21 | Inst Of Occupational Safety & Health | Wearable object and warning system |
-
2008
- 2008-12-03 CN CN2008102388764A patent/CN101750598B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1290465A1 (en) * | 2000-03-26 | 2003-03-12 | Timothy J. Neher | Personal locatiom detection system |
| CN1420364A (en) * | 2001-11-21 | 2003-05-28 | 上海奥达光电子科技有限公司 | Method and system for measuring position of indoor moving body |
| JP4123494B2 (en) * | 2003-07-28 | 2008-07-23 | 有限会社アール・シー・エス | Mobile object search system |
| KR100769824B1 (en) * | 2006-10-10 | 2007-10-23 | 주식회사 케이티 | System and method for position information management of electronic armlet attached rfid sensor or sensor node |
| CN101191833A (en) * | 2007-12-12 | 2008-06-04 | 北京航空航天大学 | Radio frequency recognition indoor position finding and detection method based on receiving signal intensity |
| TWM341280U (en) * | 2007-12-19 | 2008-09-21 | Inst Of Occupational Safety & Health | Wearable object and warning system |
Non-Patent Citations (1)
| Title |
|---|
| 韩下林等.基于RFID技术的室内定位算法及其改进.《计算机工程》.2008,第34卷(第22期),全文. * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489494A (en) * | 2018-03-21 | 2018-09-04 | 西安科技大学高新学院 | A kind of indoor visible light positioning circuit and method |
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