CN103927501B - Data pre-processing method and system oriented to NFC terminal network application - Google Patents
Data pre-processing method and system oriented to NFC terminal network application Download PDFInfo
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- CN103927501B CN103927501B CN201310012744.0A CN201310012744A CN103927501B CN 103927501 B CN103927501 B CN 103927501B CN 201310012744 A CN201310012744 A CN 201310012744A CN 103927501 B CN103927501 B CN 103927501B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10366—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications
- G06K7/10415—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM
- G06K7/10425—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the interrogation device being adapted for miscellaneous applications the interrogation device being fixed in its position, such as an access control device for reading wireless access cards, or a wireless ATM the interrogation device being arranged for interrogation of record carriers passing by the interrogation device
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Abstract
The invention discloses a data pre-processing method oriented to NFC terminal network application. The method comprises the following steps that detecting records generated by a label M in each detecting area in an NFC terminal network are sequenced according to the sequence of recording times, then the detecting records are grouped, so that a detecting record group after grouping presents resident in the detecting area for one time; the detecting record groups are processed, wherein if the recording number included in the detecting record group is larger than or equal to two, then a head record and a tail record are reserved, and the other records are deleted. The data pre-processing method oriented to NFC terminal network application can solve the problem of bottom layer data redundancy in NFC terminal network application. The invention further discloses a data pre-processing system oriented to NFC terminal network application.
Description
Technical field
The present invention relates to near-field communication (Near Field Communication, NFC) technical field, more particularly to
A kind of data preprocessing method and system towards NFC terminal network application.
Background technology
NFC technique (Near Field Communication) is near field communication (NFC), and it is by noncontact Card Reader
Device, non-contact card and point-to-point (Peer-to-Peer) communication function are integrated into one piece of single-chip, and NFC device can be respectively as
Reader and label participate in communication.
As shown in figure 1, NFC terminal network is to refer to multiple NFC terminals composition that collaboration completes a certain network application
Network, simulates the NFC terminal i of card reader pattern with TriRepresent, TriSearch coverage be logic region Zi, label M (analog cards
The NFC terminal of pattern) between multiple NFC readers (NFC terminal of simulation card reader pattern), logic region ZiAnd ZjBetween
Line represent logic region ZiAnd ZjBetween have sensible physical pathway.When label M is near certain NFC reader, NFC reads
Card device can sense NFC label M, so as to produce a detection on label M to record, detection record includes that card reader is read
To label substance and card reader detect the information such as the detection time of label.
For the upper layer application (such as, NFC terminal is positioned) of NFC terminal network, the bottom number that NFC reader is produced
According to the situation that redundancy and many readings are there may be for relative upper layer application.Wherein, so-called redundancy refers to, when label M is in certain NFC
When residence time is more long in the search coverage of card reader, the NFC reader may repeatedly read label M, so as to same
The a plurality of record of generation label M in a period of time in search coverage.It is so-called read refer to：Label M is moved in NFC terminal network
It is dynamic, can strongly be sensed by T1 close to NFC reader T1 when certain position is moved to, although while from other NFC readers
(such as, NFC reader T2) has certain distance but can also be sensed by other card reader are faint, and for upper layer application,
The information that other card reader in addition to card reader T1 are read is many reading data.
Therefore, in order to provide reliable, accurate data to the upper layer application of NFC terminal network, it is necessary to be produced to NFC reader
Raw bottom data is pre-processed.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of data preprocessing method towards NFC terminal network application
And system, can solve the problem that the bottom data redundancy issue occurred in NFC terminal network application.
In order to solve the above-mentioned technical problem, the invention provides a kind of data prediction towards NFC terminal network application
Method, the method includes：
The detection record produced in each search coverage by label M in NFC terminal network is according to the record time
Sequencing is ranked up, and then detection record is grouped, and after packet detection record group is represented label M at this
Search coverage is once resident；
Each detection record group is processed, including：The record count that such as the detection record group is included is more than or equal to two
Bar, then only retain two records of head and the tail, deletes remaining record.
Further, the method also has following features：
After processing each detection record group, also include：
Whether the residence time section of each detection record group of detection label M has inclusion relation, has for residence time section
There is the detection record group of inclusion relation, delete the short detection record group of residence time section；
Wherein, a detection record group represents label M being once resident in search coverage, detects the residence time of record group
Section originates in the record time of first bar detection record, terminates at the record time of the last item detection record.
Further, the method also has following features：
Described pair of detection record is grouped, including：
Judge that whether the record time interval of adjacent two detections record, less than threshold value is separated, is then to remember this two detections
Record is included into same detection record group, and otherwise this two detection records are included into two detection record groups respectively；
Wherein, the threshold value that separates is the NFC marks that the movement law according to NFC label in NFC terminal network determines
Label leave the minimum interval that the search coverage is again introduced into after the search coverage of certain NFC reader.
Further, the method also has following features：
The separation threshold value is empirical value.
In order to solve the above-mentioned technical problem, locate in advance present invention also offers a kind of data towards NFC terminal network application
Reason system, the system includes：
Grouping module, the detection record for being produced in each search coverage by label M in NFC terminal network is pressed
Sequencing according to the record time is ranked up, and then detection record is grouped, and makes one after packet detection record group
Represent label M being once resident in the search coverage；
Redundant data processing module, for processing each detection record group, including：As the detection record group is included
Record count is more than or equal to two, then only retain two records of head and the tail, deletes remaining record.
Further, the system also has following features：
The system also includes many reading data processing modules；
Redundant data processing module, after processing each detection record group, notifies many reading data processing modules；
It is read data processing modules more, for detect the residence time section of each detection record group of label M whether have comprising
Relation, for the detection record group that residence time section has inclusion relation, deletes the short detection record group of residence time section；
Wherein, a detection record group represents label M being once resident in search coverage, detects the residence time of record group
Section originates in the record time of first bar detection record, terminates at the record time of the last item detection record.
Further, the system also has following features：
The grouping module is grouped to detection record, including：
The grouping module judges that whether the record time interval of adjacent two detections record, less than threshold value is separated, then will be
This two detection records are included into same detection record group, and this two detection records are otherwise included into two detection records respectively
In group；
Wherein, the threshold value that separates is the NFC marks that the movement law according to NFC label in NFC terminal network determines
Label leave the minimum interval that the search coverage is again introduced into after the search coverage of certain NFC reader；The separation threshold value
It is empirical value.
Compared with prior art, the present invention provide a kind of data preprocessing method towards NFC terminal network application and
System, is grouped by the data to label M in each search coverage, after packet detection record group is represented label
M is once resident the search coverage, and the record count that such as detection record group is included then only retains head and the tail more than or equal to two
Two records, delete remaining record, can solve the problem that the bottom data redundancy issue occurred in NFC terminal network application.By inciting somebody to action
Residence time sections by detection record group data redundancy treatment after of the label M in each search coverage is compared, for
Residence time section has the detection record group of inclusion relation, deletes the short detection record group of residence time section, can solve the problem that NFC ends
Reading problem the bottom data occurred in the network application of end more.
Brief description of the drawings
Fig. 1 is the network topology structure schematic diagram of NFC terminal network in the prior art；
Fig. 2 is a kind of flow chart of data preprocessing method towards NFC terminal network application of the embodiment of the present invention.
Fig. 3 is a kind of structural representation of data pretreatment towards NFC terminal network application of the embodiment of the present invention
Figure.
Specific embodiment
To make the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case where not conflicting, in the embodiment and embodiment in the application
Feature can mutually be combined.
As shown in Fig. 2 a kind of data preprocessing method towards NFC terminal network application is the embodiment of the invention provides,
The method includes：
S10, when the detection record produced in each search coverage by label M in NFC terminal network is according to record
Between sequencing be ranked up, then to detection record be grouped, make after packet one detection record group represent label M
In being once resident for the search coverage；
S20, is processed each detection record group, including：The record count that such as the detection record group is included be more than or
In two, then only retain two records of head and the tail, delete remaining record.
The method further includes following features：
Wherein, NFC label M produces first in the search coverage to detect record during search coverage is entered,
NFC label M produces the last item in the search coverage to detect record during search coverage is left；Therefore, NFC label
M normally by the search coverage of certain NFC reader when at least produce two detection record.
Wherein, when the detection record for being produced in each search coverage by label M in NFC terminal network is according to record
Between sequencing be ranked up, including：By each detecting area of one section of measurement period interior label M in NFC terminal network
The detection record produced in domain is ranked up according to the sequencing of record time；
Wherein, after processing each detection record group, also include：
Whether the residence time section of each detection record group of S30, detection label M in NFC terminal network has comprising pass
System, for the detection record group that residence time section has inclusion relation, deletes the short detection record group of residence time section；Wherein,
One detection record group represents label M being once resident in search coverage, and the residence time section for detecting record group originates in first bar
The record time of record is detected, the record time of the last item detection record is terminated at；
Such as, the residence time section of the first detection record group is：7 points 50 10: 40 seconds 10 minutes to 7:, second detection note
Record group residence time section be：7 points 50 10: 20 seconds 10 minutes to 7:, due to second detection record group residence time section bag
Residence time section containing the first detection record group, and the residence time section of the first detection record group is shorter, therefore deletion first is visited
Survey the data of record group.
Wherein, detection record is grouped, including：
Judge that whether the record time interval of adjacent two detections record, less than threshold value is separated, is then to remember this two detections
Record is included into same detection record group, and otherwise this two detection records are included into two detection record groups respectively.
Wherein, the threshold value that separates is the NFC marks that the movement law according to NFC label in NFC terminal network determines
Label leave the minimum interval that the search coverage is again introduced into after the search coverage of certain NFC reader, generally empirical value.
Such as, by being found after the observation of the mobile behavior to NFC label in NFC terminal network：One NFC label leaves certain
After the search coverage of NFC reader, the search coverage of adjacent NFC reader can be typically gone to, and be turned again in the short time
One possibility of search coverage is little, therefore, such as the detection cycle of NFC reader is 10 seconds, then in order to distinguish same NFC
Label being resident twice in same search coverage, it is described separation threshold value can be set as an empirical value (such as, 1 minute,
Or other values).
As shown in figure 3, a kind of data pretreatment towards NFC terminal network application is the embodiment of the invention provides,
The system includes：
Grouping module, the detection record for being produced in each search coverage by label M in NFC terminal network is pressed
Sequencing according to the record time is ranked up, and then detection record is grouped, and makes one after packet detection record group
Represent label M being once resident in the search coverage；
Redundant data processing module, for processing each detection record group, including：As the detection record group is included
Record count is more than or equal to two, then only retain two records of head and the tail, deletes remaining record.
The system further includes following characteristics：
Wherein, NFC label M produces first in the search coverage to detect record during search coverage is entered,
NFC label M produces the last item in the search coverage to detect record during search coverage is left；Therefore, NFC label
M normally by the search coverage of certain NFC reader when at least produce two detection record.
Wherein, the system also includes many reading data processing modules；
Redundant data processing module, after processing each detection record group, notifies many reading data processing modules；
It is read data processing module, the residence time for detecting each detection record groups of the label M in NFC terminal network more
Whether section has inclusion relation, for the detection record group that residence time section has inclusion relation, deletes residence time section short
Detection record group；
Wherein, a detection record group represents label M being once resident in search coverage, detects the residence time of record group
Section originates in the record time of first bar detection record, terminates at the record time of the last item detection record.
Wherein, the grouping module is grouped to detection record, including：
The grouping module judges that whether the record time interval of adjacent two detections record, less than threshold value is separated, then will be
This two detection records are included into same detection record group, and this two detection records are otherwise included into two detection records respectively
In group；
Wherein, the threshold value that separates is the NFC marks that the movement law according to NFC label in NFC terminal network determines
Label leave the minimum interval that the search coverage is again introduced into after the search coverage of certain NFC reader, generally empirical value.
A kind of data preprocessing method and system towards NFC terminal network application that above-described embodiment is provided, by right
Data of the label M in each search coverage are grouped, and after packet detection record group is represented label M in the detecting area
Once being resident for domain, as the record count that detection record group is included is more than or equal to two, then only retains head and the tail two and records, and deletes
Except remaining record, the bottom data redundancy issue occurred in NFC terminal network application is can solve the problem that.By by label M in each spy
The residence time section by the detection record group data after redundancy treatment surveyed in region is compared, and has for residence time section
There is a detection record group of inclusion relation, delete the short detection record group of residence time section, in can solve the problem that NFC terminal network application
Reading problem the bottom data of appearance more.
One of ordinary skill in the art will appreciate that all or part of step in the above method can be instructed by program
Related hardware is completed, and described program can be stored in computer-readable recording medium, such as read-only storage, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits, accordingly
Ground, each module/unit in above-described embodiment can be realized in the form of hardware, it would however also be possible to employ the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
It should be noted that the present invention can also have other various embodiments, without departing substantially from spiritual and its essence of the invention
In the case of, those of ordinary skill in the art can make various corresponding changes and deformation according to the present invention, but these are corresponding
Change and deform the protection domain that should all belong to appended claims of the invention.
Claims (8)
1. a kind of data preprocessing method towards NFC terminal network application, the method includes：
When the detection record that label M is produced in each search coverage in near-field communication NFC terminal network is according to record
Between sequencing be ranked up, then to detection record be grouped, make after packet one detection record group represent label M
In being once resident for the search coverage；
Each detection record group is processed, including：The record count that such as the detection record group is included is more than or equal to two, then
Only retain two records of head and the tail, delete remaining record.
2. the method for claim 1, it is characterised in that：
After processing each detection record group, also include：
Whether the residence time section of each detection record group of detection label M has inclusion relation, has bag for residence time section
Detection record group containing relation, deletes the short detection record group of residence time section；
Wherein, a detection record group represents label M being once resident in search coverage, and the residence time section for detecting record group rises
The record time of first bar detection record is started from, the record time of the last item detection record is terminated at.
3. method as claimed in claim 1 or 2, it is characterised in that：
Described pair of detection record is grouped, including：
Judge that whether the record time interval of adjacent two detections record less than threshold value is separated, is to return this two detection records
Enter in same detection record group, otherwise this two detection records are included into two detection record groups respectively；
Wherein, it is described separate threshold value be movement law in NFC terminal network determines according to NFC label the NFC label from
The minimum interval of the search coverage is again introduced into after the search coverage for opening NFC reader.
4. method as claimed in claim 3, it is characterised in that：
The separation threshold value is empirical value.
5. a kind of data pretreatment towards NFC terminal network application, the system includes：
Grouping module, for the detection note produced in each search coverage by label M in near-field communication NFC terminal network
Record and be ranked up according to the sequencing of record time, then detection record is grouped, make one after packet detection note
Record group represents label M being once resident in the search coverage；
Redundant data processing module, for processing each detection record group, including：The record that such as the detection record group is included
Number is more than or equal to two, then only retain two records of head and the tail, deletes remaining record.
6. system as claimed in claim 5, it is characterised in that：
The system also includes many reading data processing modules；
Redundant data processing module, after processing each detection record group, notifies many reading data processing modules；
It is read data processing module more, for detecting whether the residence time section of each detection record group of label M has inclusion relation,
For the detection record group that residence time section has inclusion relation, the short detection record group of residence time section is deleted；
Wherein, a detection record group represents label M being once resident in search coverage, and the residence time section for detecting record group rises
The record time of first bar detection record is started from, the record time of the last item detection record is terminated at.
7. the system as described in claim 5 or 6, it is characterised in that：
The grouping module is grouped to detection record, including：
The grouping module judge it is adjacent two detection record record time intervals whether less than separate threshold value, be then by this two
Bar detection record is included into same detection record group, and this two detection records are otherwise included into two detection record groups respectively
In；
Wherein, it is described separate threshold value be movement law in NFC terminal network determines according to NFC label the NFC label from
The minimum interval of the search coverage is again introduced into after the search coverage for opening NFC reader.
8. system as claimed in claim 7, it is characterised in that：
The separation threshold value is empirical value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012744.0A CN103927501B (en) | 2013-01-14 | 2013-01-14 | Data pre-processing method and system oriented to NFC terminal network application |
| PCT/CN2013/080083 WO2013185691A1 (en) | 2013-01-14 | 2013-07-25 | Nfc terminal network application-oriented data preprocessing method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310012744.0A CN103927501B (en) | 2013-01-14 | 2013-01-14 | Data pre-processing method and system oriented to NFC terminal network application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103927501A CN103927501A (en) | 2014-07-16 |
| CN103927501B true CN103927501B (en) | 2017-05-24 |
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| CN201310012744.0A Expired - Fee Related CN103927501B (en) | 2013-01-14 | 2013-01-14 | Data pre-processing method and system oriented to NFC terminal network application |
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| WO (1) | WO2013185691A1 (en) |
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| US20070043594A1 (en) * | 2005-08-17 | 2007-02-22 | Lavergne Ken J | National healthcare information/transaction network for interoperability: standardizing delivery of healthcare through biometric smart cards & biometric smart chip-based devices |
| CN101304299A (en) * | 2007-04-27 | 2008-11-12 | 三星电子株式会社 | System and method for improving symmetry in data transmission in logic link control layer |
| CN101527911A (en) * | 2008-03-03 | 2009-09-09 | 索尼株式会社 | Communication device and communication method |
| CN102640426A (en) * | 2009-09-24 | 2012-08-15 | 捷讯研究有限公司 | Mobile wireless communications device, method and system using magnetic sensor and activated NFC circuit for establishing communications between mobile wireless communications devices |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101504603B (en) * | 2009-02-24 | 2011-12-28 | 诚迈科技（南京）有限公司 | Filtering method model of RFID hardware intermediate part |
| CN102479071A (en) * | 2010-11-23 | 2012-05-30 | 上海宝信软件股份有限公司 | Method and device for filtering tag events of middleware of RFID (Radio Frequency Identification) application system |
| CN102129641A (en) * | 2011-02-16 | 2011-07-20 | 电子科技大学 | Radio frequency identification (RFID)-based exhibitor information survey analysis method |
| CN102842020A (en) * | 2012-08-03 | 2012-12-26 | 中兴通讯股份有限公司 | Information processing method and device |
-
2013
- 2013-01-14 CN CN201310012744.0A patent/CN103927501B/en not_active Expired - Fee Related
- 2013-07-25 WO PCT/CN2013/080083 patent/WO2013185691A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070043594A1 (en) * | 2005-08-17 | 2007-02-22 | Lavergne Ken J | National healthcare information/transaction network for interoperability: standardizing delivery of healthcare through biometric smart cards & biometric smart chip-based devices |
| CN101304299A (en) * | 2007-04-27 | 2008-11-12 | 三星电子株式会社 | System and method for improving symmetry in data transmission in logic link control layer |
| CN101527911A (en) * | 2008-03-03 | 2009-09-09 | 索尼株式会社 | Communication device and communication method |
| CN102640426A (en) * | 2009-09-24 | 2012-08-15 | 捷讯研究有限公司 | Mobile wireless communications device, method and system using magnetic sensor and activated NFC circuit for establishing communications between mobile wireless communications devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103927501A (en) | 2014-07-16 |
| WO2013185691A1 (en) | 2013-12-19 |
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