CN108712394A - A kind of radio-frequency identification method and label - Google Patents
A kind of radio-frequency identification method and label Download PDFInfo
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- CN108712394A CN108712394A CN201810391655.4A CN201810391655A CN108712394A CN 108712394 A CN108712394 A CN 108712394A CN 201810391655 A CN201810391655 A CN 201810391655A CN 108712394 A CN108712394 A CN 108712394A
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- 238000012360 testing method Methods 0.000 description 14
- 238000012216 screening Methods 0.000 description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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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
- G06K7/10257—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 arrangements for protecting the interrogation against piracy attacks
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- H04B5/77—
Abstract
The invention discloses the step of a kind of radio-frequency identification method and label, wherein method to be：Receive the less radio-frequency request signal sent from request end；The less radio-frequency request signal received is parsed, the target data type of less radio-frequency request signal request is obtained；The data type of pre-stored multiple data packets is matched with target data type；From multiple data packets, at least one data packet to be sent identical with target data type is determined, and at least one data packet to be sent is fed back into request end.The above method and system solve the problems, such as conventional labels only with unifunctional so that label has the function of multi-tag, while can also select target data type, has very high practicability.
Description
Technical field
The present invention relates to communication technique field more particularly to a kind of radio-frequency identification methods and label.
Background technology
Radio frequency has been widely used in current multiple fields, and still, the label segment of traditional approach can only store single type
Data, to realize corresponding effect or function.Bigger to label segment functional requirement at present, single label single function can not expire
Foot is now to the requirement of label function.
Invention content
In order to solve the above technical problems, the present invention provides one kind having the function of that multi-tag, radio frequency applied widely are known
Other method and label.
In a first aspect, the present invention provides a kind of radio-frequency identification method, the method includes：
Receive the less radio-frequency request signal sent from request end；
The less radio-frequency request signal received is parsed, the target of the less radio-frequency request signal request is obtained
Data type；
The data type of pre-stored multiple data packets is matched with the target data type；
From the multiple data packet, at least one data to be sent with the target data type successful match are determined
Packet, and at least one data packet to be sent is fed back into the request end.
Radio-frequency identification method provided in an embodiment of the present invention can receive the less radio-frequency request signal of request end transmission；Docking
The less radio-frequency request signal received is parsed, and the target data type of less radio-frequency request signal request is obtained；It will prestore
The data type of multiple data of storage is compared with target data type, determines at least one with target data type same type
At least one data packet to be sent with target data type same type is fed back to request end by a data packet to be sent.It is above-mentioned
Can judgement effectively be identified to multiple and different data packets in same label in radio-frequency identification method, according to the nothing of request
Line radio frequency request signal selects at least one data packet to be sent of matching target data type in multiple data packets of label,
So that single label includes multiple and different data packet, the scope of application of label is extended, there is very high practicability.
Further, the method further includes：
Pre-stored multiple data packets are parsed, the protocol integrated test system byte in the header field of each data packet is obtained；
The corresponding data type of each data packet is determined according to the protocol integrated test system byte；
According to the data type, storage is grouped to multiple data packets.
In above-described embodiment, label can in advance parse pre-stored multiple data packets, according to the data packet of acquisition
Protocol integrated test system byte in header field determines the corresponding data type of each data packet, to determine the data packet of data type into
Row grouping storage.Label carries out parsing acquisition to the type of the data packet of storage in advance, improves label to a certain extent
Corresponding efficiency.
Second aspect, an embodiment of the present invention provides a kind of RFID tags, including signal receiving module, signal resolution
Module and type judging module；
The signal receiving module, for receiving the less radio-frequency request signal sent from request end；
The signal resolution module obtains described wireless for being parsed to the less radio-frequency request signal received
The target data type of radio frequency request request signal；
The type judging module, for by the data type for the multiple data packets being pre-stored and the target data type
It is matched；
From the multiple data packet, at least one data to be sent with the target data type successful match are determined
Packet, and at least one data packet to be sent is fed back into the request end.
RFID tag provided in an embodiment of the present invention can receive the less radio-frequency request signal of request end transmission；Docking
The less radio-frequency request signal received is parsed, and the target data type of less radio-frequency request signal request is obtained；It will prestore
The data type of multiple data of storage is compared with target data type, determines at least one with target data type same type
At least one data packet to be sent with target data type same type is fed back to request end by a data packet to be sent.It is above-mentioned
Can judgement effectively be identified to multiple and different data packets in same label in radio-frequency identification method, according to the nothing of request
Line radio frequency request signal selects at least one data packet to be sent of matching target data type in multiple data packets of label,
So that single label includes multiple and different data packet, the scope of application of label is extended, there is very high practicability.
Further, the label is additionally operable to parse pre-stored multiple data packets, obtains each data packet
Header field in protocol integrated test system byte；
The corresponding data type of each data packet is determined according to the protocol integrated test system byte；
According to the data type, storage is grouped to multiple data packets.
In above-described embodiment, label can in advance parse pre-stored multiple data packets, according to the data packet of acquisition
Protocol integrated test system byte in header field determines the corresponding data type of each data packet, to determine the data packet of data type into
Row grouping storage.Label carries out parsing acquisition to the type of the data packet of storage in advance, improves label to a certain extent
Corresponding efficiency.
Description of the drawings
Fig. 1 is a kind of schematic flow chart of radio-frequency identification method provided in an embodiment of the present invention；
Fig. 2 is the schematic flow chart of another radio-frequency identification method provided in an embodiment of the present invention；
Fig. 3 is the schematic flow chart of another radio-frequency identification method provided in an embodiment of the present invention；
Fig. 4 is the schematic flow chart of another radio-frequency identification method provided in an embodiment of the present invention；
Fig. 5 is the schematic flow chart of another radio-frequency identification method provided in an embodiment of the present invention；
Fig. 6 is the schematic flow chart of another radio-frequency identification method provided in an embodiment of the present invention；
Fig. 7 is the schematic structure schematic diagram of RFID tag provided in an embodiment of the present invention；
Fig. 8 is the schematic structure schematic diagram of radio-frequency recognition system provided in an embodiment of the present invention.
Specific implementation mode
In being described below, for illustration and not for limitation, it is proposed that such as specific system structure, interface, technology it
The detail of class understands the present invention to cut thoroughly.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, circuit and
The detailed description of method, in case unnecessary details interferes description of the invention.
Fig. 1 is a kind of schematic flow chart of radio-frequency identification method provided in an embodiment of the present invention.As shown in Figure 1, this hair
Steps are as follows for the specific execution of the radio-frequency identification method of bright offer：
Step 100：Receive the less radio-frequency request signal sent from request end；
Wherein：Less radio-frequency request signal is sent by request end, for obtaining target data, less radio-frequency request letter
Number it is a form of energy, is determined for the intensity of wireless request signal；
Step 200：The less radio-frequency request signal received is parsed, the request of less radio-frequency request signal is obtained
Target data type；
Wherein：Each less radio-frequency request signal that request end is sent can correspond to a certain data type, data class
Type information is selected when request end generates wireless request signal, each less radio-frequency request signal can only correspond to a kind of number
According to type；
Step 300：The data type of pre-stored multiple data packets is matched with target data type；
From multiple data packets, at least one data packet to be sent with target data type successful match is determined, and will
At least one data packet to be sent feeds back to request end.
Wherein：Multiple data packets are pre-stored, and corresponding multiple and different data type, each data type can be right
Multiple and different data packets is answered, it can be by data type at least one number identical with target data type in pre-stored data packet
According to packet, it is chosen to be data packet to be sent, is sent to request end.
In the above-described embodiments, the less radio-frequency request signal of request end transmission can be received；To the less radio-frequency received
Request signal is parsed, and the target data type of less radio-frequency request signal request is obtained；By pre-stored multiple data packets
Data type matched with target data type, determine at least one data packet of target data type same type, will
It is chosen to be data packet to be sent at least one data packet of target data type same type, data packet to be sent is fed back to and is asked
Ask end.Can judgement, root effectively be identified to multiple and different data packets in same label in above-mentioned radio-frequency identification method
At least one mesh of matching target data type is selected in multiple data packets of label according to the less radio-frequency request signal of request
Data packet is marked, while single label includes multiple data packets, extends the scope of application of label.
On the basis of Fig. 1 corresponding embodiments, following improvement is also carried out, Fig. 2 is referred to.Fig. 2 carries for the embodiment of the present invention
The schematic flow chart of another radio-frequency identification method supplied.As shown in Fig. 2, radio-frequency identification method provided by the invention is specific
Steps are as follows for execution：
Step 100：Receive the less radio-frequency request signal sent from request end；
Wherein：Less radio-frequency request signal is sent by request end, for obtaining target data, less radio-frequency request letter
Number it is a form of energy, is determined for the intensity of wireless request signal；
Step 200：The less radio-frequency request signal received is parsed, the request of less radio-frequency request signal is obtained
Target data type；
Wherein：Each less radio-frequency request signal that request end is sent can correspond to a certain data type, data class
Type information is selected when request end generates wireless request signal, each less radio-frequency request signal can only correspond to a kind of number
According to type；
Step 310：The data type of multiple data packets is parsed, the corresponding number of multiple packet data types is obtained
According to character string；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
Step 320：From multiple data packets, at least one data packet to be sent identical with target data type is determined,
And at least one data packet to be sent is fed back into request end.
Wherein：Multiple data packets are pre-stored, and corresponding multiple and different data type, each data type can be right
Multiple and different data packets is answered, it can be by data type at least one number identical with target data type in pre-stored data packet
According to packet, it is chosen to be data packet to be sent, is sent to request end.
In the above-described embodiments, by the parsing to pre-stored multiple data packets, all data types can be obtained
Corresponding data character string can obtain target data character string after being parsed to target data type, every by that will obtain
Character compares a data character string one by one with target data character string, can determine and the identical number of target data character string
According to character string, and then determine data type identical with the target data type of request and the corresponding data packet of data type.
Pass through the corresponding data character string of data type of the target data character string and pre-stored data packet to target data type
It compares, can accurately determine data packet identical with the target data type of request, it is ensured that obtain to the target data of request
The accuracy taken.
On the basis of Fig. 2 corresponding embodiments, following improvement is also carried out, Fig. 3 is referred to.Fig. 3 carries for the embodiment of the present invention
The schematic flow chart of another radio-frequency identification method supplied.As shown in figure 3, radio-frequency identification method provided by the invention is specific
Steps are as follows for execution：
Step 100：Receive the less radio-frequency request signal sent from request end；
Wherein：Less radio-frequency request signal is sent by request end, for obtaining target data, less radio-frequency request letter
Number it is a form of energy, is determined for the intensity of wireless request signal；
Step 200：The less radio-frequency request signal received is parsed, the request of less radio-frequency request signal is obtained
Target data type；
Wherein：Each less radio-frequency request signal that request end is sent can correspond to a certain data type, data class
Type information is selected when request end generates wireless request signal, each less radio-frequency request signal can only correspond to a kind of number
According to type；
Step 310：The data type of multiple data packets is parsed, the corresponding number of multiple packet data types is obtained
According to character string；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
Step 321：From multiple data packets, at least one target data packet identical with target data type is determined；
Step 322：Each data packet to be sent is parsed, extracts the corresponding information field of data packet to be sent one by one,
Determine the data length in each information field；
During at least one resolve packet to be sent, the request of less radio-frequency request signal is also obtained, with
The relevant field of target data length determines target data length according to relevant field；
It by the data length of each data packet to be sent, is compared one by one with target data length, screening and number of targets
According to the identical first object data packet of length, using the first object data packet filtered out as the target data for feeding back to request end
Packet；
Step 323：And the first object data packet filtered out is fed back into request end.
Wherein：Multiple data packets are pre-stored, and corresponding multiple and different data type, each data type can be right
Multiple and different data packets is answered, it can be by data type at least one number identical with target data type in pre-stored data packet
According to packet, it is chosen to be first object data packet, is sent to request end.
In the above-described embodiments, by the parsing of the target data packet to request, number of targets in step 310 can be extracted
According to corresponding information field is wrapped, the data length of the target data of request can be determined according to the information in information field, at least
During one target data Packet analyzing, the target data that can also obtain the data packet of less radio-frequency request signal request is long
Degree can determine data identical with the target data length of request by the comparison between data length and target data length
Packet, can be further by the way that the target data length of request data length corresponding with the data packet filtered out to be compared
The data packet that filters out of determination whether be request target data packet, effectively ensure that finishing screen selects the accurate of data packet
Property.
On the basis of Fig. 3 corresponding embodiments, following improvement is also carried out, Fig. 4 is referred to.Fig. 4 carries for the embodiment of the present invention
The schematic flow chart of another radio-frequency identification method supplied.As shown in figure 4, radio-frequency identification method provided by the invention is specific
Steps are as follows for execution：
Step 100：Receive the less radio-frequency request signal sent from request end；
Wherein：Less radio-frequency request signal is sent by request end, for obtaining target data, less radio-frequency request letter
Number it is a form of energy, is determined for the intensity of wireless request signal；
Step 200：The less radio-frequency request signal received is parsed, the request of less radio-frequency request signal is obtained
Target data type；
Wherein：Each less radio-frequency request signal that request end is sent can correspond to a certain data type, data class
Type information is selected when request end generates wireless request signal, each less radio-frequency request signal can only correspond to a kind of number
According to type；
Step 310：The data type of multiple data packets is parsed, the corresponding number of multiple packet data types is obtained
According to character string；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
Step 321：From multiple data packets, at least one target data packet identical with target data type is determined；
Step 322：Each data packet to be sent is parsed, extracts the corresponding information field of data packet to be sent one by one,
Determine the data length in each information field；
During at least one resolve packet to be sent, the request of less radio-frequency request signal is also obtained, with
The relevant field of target data length determines target data length according to relevant field；
It by the data length of each data packet to be sent, is compared one by one with target data length, screening and number of targets
According to the identical first object data packet of length, using the first object data packet filtered out as the target data for feeding back to request end
Packet；
Step 3225：To first object packet encapsulation, while the quantitative value of first object data packet is written；
When to first object packet encapsulation, the quantitative value of first object data packet is written, can be request end pair
Whether the data packet received, which has packet loss to provide better data, is supported；
Step 323：And at least one target data packet is fed back into request end；
Wherein：Multiple data packets are pre-stored, and corresponding multiple and different data type, each data type can be right
Multiple and different data packets is answered, it can be by data type at least one number identical with target data type in pre-stored data packet
According to packet, it is chosen to be first object data packet, is sent to request end.
In the above-described embodiments, when to first object packet encapsulation, the quantitative value of first object data packet is written,
It can be supported for request end whether the data packet received has packet loss to provide better data, ensure the accurate of final data packet
Property, it is ensured that the final accuracy and integrality for obtaining data packet.
On the basis of Fig. 4 corresponding embodiments, following improvement is also carried out, Fig. 5 is referred to.Fig. 5 carries for the embodiment of the present invention
The schematic flow chart of another radio-frequency identification method supplied.As shown in figure 5, radio-frequency identification method provided by the invention is specific
Steps are as follows for execution：
Step 100：Receive the less radio-frequency request signal sent from request end；
Wherein：Less radio-frequency request signal is sent by request end, for obtaining target data, less radio-frequency request letter
Number it is a form of energy, is determined for the intensity of wireless request signal；
Step 200：The less radio-frequency request signal received is parsed, the request of less radio-frequency request signal is obtained
Target data type；
Wherein：Each less radio-frequency request signal that request end is sent can correspond to a certain data type, data class
Type information is selected when request end generates wireless request signal, each less radio-frequency request signal can only correspond to a kind of number
According to type；
Step 310：The data type of multiple data packets is parsed, the corresponding number of multiple packet data types is obtained
According to character string；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
Step 321：From multiple data packets, at least one target data packet identical with target data type is determined；
Step 322：Each data packet to be sent is parsed, extracts the corresponding information field of data packet to be sent one by one,
Determine the data length in each information field；
During at least one resolve packet to be sent, the request of less radio-frequency request signal is also obtained, with
The relevant field of target data length determines target data length according to relevant field；
It by the data length of each data packet to be sent, is compared one by one with target data length, screening and number of targets
According to the identical first object data packet of length, using the first object data packet filtered out as the target data for feeding back to request end
Packet；
Step 3225：To first object packet encapsulation, while the quantitative value of first object data packet is written；
When to first object packet encapsulation, the quantitative value of first object data packet is written, can be request end pair
Whether the data packet received, which has packet loss to provide better data, is supported；
Step 323：And at least one target data packet is fed back into request end.
Wherein：Multiple data packets are pre-stored, and corresponding multiple and different data type, each data type can be right
Multiple and different data packets is answered, it can be by data type at least one number identical with target data type in pre-stored data packet
According to packet, it is chosen to be first object data packet, is sent to request end；
Step 400：The packet loss value that request end returns is received, if packet loss value is not equal to zero, is sent to request end and abandons the
The signal of one target data packet, and first object data packet is retransmitted to request end, until the packet loss value received is equal to zero；
Packet loss value is the quantitative value of the practical first object data packet received in request end and the number that is written in encapsulation process
The difference of magnitude.
In the above-described embodiments, request end can decapsulate the package file received, target after statistics decapsulation
The quantitative value counted on is compared the quantitative value of data with the quantitative value of write-in, determines practical first received in request end
The difference of the quantitative value of target data packet and the quantitative value being written in encapsulation process, as packet loss value, packet loss value is fed back to
Label, label can send the signal for abandoning first object data packet to request end, and to request end when packet loss value is not equal to zero
First object data packet is retransmitted, until the packet loss value received is equal to zero.By to practical the first mesh received in request end
Mark the verification of the quantitative value and the difference for the quantitative value being written in encapsulation process of data packet, it is ensured that request end finally obtains number
According to the accuracy and integrality of packet.
On the basis of Fig. 1 corresponding embodiments, following improvement is also carried out, Fig. 6 is referred to.Fig. 6 carries for the embodiment of the present invention
The schematic flow chart of another radio-frequency identification method supplied.As shown in fig. 6, radio-frequency identification method provided by the invention is specific
Steps are as follows for execution：
Step 100：Receive the less radio-frequency request signal sent from request end；
Wherein：Less radio-frequency request signal is sent by request end, for obtaining target data, less radio-frequency request letter
Number it is a form of energy, is determined for the intensity of wireless request signal；
Step 200：The less radio-frequency request signal received is parsed, the request of less radio-frequency request signal is obtained
Target data type；
Wherein：Each less radio-frequency request signal that request end is sent can correspond to a certain data type, data class
Type information is selected when request end generates wireless request signal, each less radio-frequency request signal can only correspond to a kind of number
According to type；
Step 210：Pre-stored multiple data packets are parsed, the agreement control in the header field of each data packet is obtained
Byte processed；
The corresponding data type of each data packet is determined according to protocol integrated test system byte；
According to data type, storage is grouped to multiple data packets；
Wherein：Pass through the protocol integrated test system byte in the header field to pre-stored multiple resolve packets acquisitions, Neng Gougeng
The good grouping that more accurately pre-stored multiple data packets are carried out with data type, can improve in label to a certain extent
The efficiency of data acquisition simplifies identification process；
Step 300：The data type of pre-stored multiple data packets is matched with target data type；
From multiple data packets, at least one data packet to be sent with target data type successful match is determined, and will
At least one data packet to be sent feeds back to request end.
Wherein：Multiple data packets are pre-stored, and corresponding multiple and different data type, each data type can be right
Multiple and different data packets is answered, it can be by data type at least one number identical with target data type in pre-stored data packet
According to packet, it is chosen to be first object data packet, is sent to request end.
In the above-described embodiments, label can parse pre-stored multiple data packets, obtain the head of multiple data packets
Protocol integrated test system byte in domain determines the corresponding data type of data packet by protocol integrated test system byte, is receiving request end
After less radio-frequency request signal, the data packet after can directly being stored to grouping obtains, and can thus simplify data acquisition
The flow of identification improves the efficiency that data packet obtains.
On the basis of the radio-frequency identification method that Fig. 1 to Fig. 6 is provided, a kind of RFID tag is additionally provided, figure is referred to
7.RFID tag, including signal receiving module, signal resolution module and type judging module；
Signal receiving module, for receiving the less radio-frequency request signal sent from request end；
Signal resolution module obtains less radio-frequency request for being parsed to the less radio-frequency request signal received
The target data type of request signal；
A type judging module, for carrying out the data type for the multiple data packets being pre-stored and target data type
Match；
From multiple data packets, at least one data packet to be sent with target data type successful match is determined, and will
At least one data packet to be sent feeds back to request end.
In the above-described embodiments, the less radio-frequency request signal of request end transmission can be received；To the less radio-frequency received
Request signal is parsed, and the target data type of less radio-frequency request signal request is obtained；By pre-stored multiple data packets
Data type matched with target data type, determine at least one data packet of target data type same type, will
It is chosen to be data packet to be sent at least one data packet of target data type same type, target data packet is fed back into request
End.Can judgement effectively be identified to multiple and different data packets in same label in above-mentioned radio-frequency identification method, according to
The less radio-frequency request signal of request selects at least one pending of matching target data type in multiple data packets of label
Data packet is sent, while single label includes multiple data packets, extends the scope of application of label.
On the basis of the above embodiments, following improvement has also been carried out：
Signal receiving module, for receiving the less radio-frequency request signal sent from request end；
Signal resolution module obtains less radio-frequency request for being parsed to the less radio-frequency request signal received
The target data type of request signal；
Type judging module parses the data type of multiple data packets, obtains multiple packet data types pair
The data character string answered；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
From multiple data packets, at least one data packet to be sent identical with target data type is determined, and will at least
One data packet to be sent feeds back to request end.
In the above-described embodiments, by the parsing to pre-stored multiple data packets, all data types can be obtained
Corresponding data character string can obtain target data character string after being parsed to target data type, every by that will obtain
Character compares a data character string one by one with target data character string, can determine and the identical number of target data character string
According to character string, and then determine data type identical with the target data type of request and the corresponding data packet of data type.
Pass through the corresponding data character string of data type of the target data character string and pre-stored data packet to target data type
It compares, can accurately determine data packet identical with the target data type of request, it is ensured that obtain to the target data of request
The accuracy taken.
On the basis of the above embodiments, following improvement has also been carried out：
Signal receiving module, for receiving the less radio-frequency request signal sent from request end；
Signal resolution module obtains less radio-frequency request for being parsed to the less radio-frequency request signal received
The target data type of request signal；
Type judging module parses the data type of multiple data packets, obtains multiple packet data types pair
The data character string answered；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
From multiple data packets, at least one target data packet identical with target data type is determined；
Each data packet to be sent is parsed, extracts the corresponding information field of data packet to be sent one by one, is determined each
Data length in information field；
During at least one resolve packet to be sent, the request of less radio-frequency request signal is also obtained, with
The relevant field of target data length determines target data length according to relevant field；
It by the data length of each data packet to be sent, is compared one by one with target data length, screening and number of targets
According to the identical first object data packet of length, using the first object data packet filtered out as the target data for feeding back to request end
Packet；
The first object data packet filtered out is fed back into request end.
In the above-described embodiments, by the parsing of the target data packet to request, target data packet correspondence can be extracted
Information field, the data length of the target data of request can be determined according to the information in information field, at least one target
During resolve packet, the target data length of the data packet of less radio-frequency request signal request can also be obtained, is passed through
Comparison between data length and target data length can determine data packet identical with the target data length of request, pass through
The target data length of request data length corresponding with the data packet filtered out is compared, can further determine sieve
Whether the data packet selected is the target data packet asked, and effectively ensures that finishing screen selects the accuracy of data packet.
On the basis of the above embodiments, following improvement has also been carried out：
Signal receiving module, for receiving the less radio-frequency request signal sent from request end；
Signal resolution module obtains less radio-frequency request for being parsed to the less radio-frequency request signal received
The target data type of request signal；
Type judging module parses the data type of multiple data packets, obtains multiple packet data types pair
The data character string answered；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
From multiple data packets, at least one target data packet identical with target data type is determined；
Each data packet to be sent is parsed, extracts the corresponding information field of data packet to be sent one by one, is determined each
Data length in information field；
During at least one resolve packet to be sent, the request of less radio-frequency request signal is also obtained, with
The relevant field of target data length determines target data length according to relevant field；
It by the data length of each data packet to be sent, is compared one by one with target data length, screening and number of targets
According to the identical first object data packet of length, using the first object data packet filtered out as the target data for feeding back to request end
Packet；
To first object packet encapsulation, while the quantitative value of first object data packet is written；
When to first object packet encapsulation, the quantitative value of first object data packet is written, can be request end pair
Whether the data packet received, which has packet loss to provide better data, is supported；
At least one target data packet is fed back into request end.
In the above-described embodiments, when to first object packet encapsulation, the quantitative value of first object data packet is written,
It can be supported for request end whether the data packet received has packet loss to provide better data, ensure the accurate of final data packet
Property, it is ensured that the final accuracy and integrality for obtaining data packet.
On the basis of the above embodiments, following improvement has also been carried out：
Signal receiving module, for receiving the less radio-frequency request signal sent from request end；
Signal resolution module obtains less radio-frequency request for being parsed to the less radio-frequency request signal received
The target data type of request signal；
Type judging module parses the data type of multiple data packets, obtains multiple packet data types pair
The data character string answered；
Target data type is parsed, the corresponding target data character string of target data type is obtained；
By each data character string of acquisition, character matches one by one with target data character string, if in data character string
The composition and sequence of character are identical with character composition and sequence in target string, it is determined that the number of pre-stored data packet
According to type and target data type successful match；Otherwise it fails to match；
From multiple data packets, at least one target data packet identical with target data type is determined；
Each data packet to be sent is parsed, extracts the corresponding information field of data packet to be sent one by one, is determined each
Data length in information field；
During at least one resolve packet to be sent, the request of less radio-frequency request signal is also obtained, with
The relevant field of target data length determines target data length according to relevant field；
It by the data length of each data packet to be sent, is compared one by one with target data length, screening and number of targets
According to the identical first object data packet of length, using the first object data packet filtered out as the target data for feeding back to request end
Packet；
To first object packet encapsulation, while the quantitative value of first object data packet is written；
When to first object packet encapsulation, the quantitative value of first object data packet is written, can be request end pair
Whether the data packet received, which has packet loss to provide better data, is supported；
At least one target data packet is fed back into request end；
The packet loss value that request end returns is received, if packet loss value is not equal to zero, is sent to request end and abandons first object number
First object data packet is retransmitted according to the signal of packet, and to request end, until the packet loss value received is equal to zero；
Packet loss value is the quantitative value of the practical first object data packet received in request end and the number that is written in encapsulation process
The difference of magnitude.
In the above-described embodiments, request end can decapsulate the package file received, target after statistics decapsulation
The quantitative value counted on is compared the quantitative value of data with the quantitative value of write-in, determines practical first received in request end
The difference of the quantitative value of target data packet and the quantitative value being written in encapsulation process, as packet loss value, packet loss value is fed back to
Label, label can send the signal for abandoning first object data packet to request end, and to request end when packet loss value is not equal to zero
First object data packet is retransmitted, until the packet loss value received is equal to zero.By to practical the first mesh received in request end
Mark the verification of the quantitative value and the difference for the quantitative value being written in encapsulation process of data packet, it is ensured that request end finally obtains number
According to the accuracy and integrality of packet.
On the basis of the above embodiments, following improvement has also been carried out：
Signal receiving module, for receiving the less radio-frequency request signal sent from request end；
Signal resolution module obtains less radio-frequency request for being parsed to the less radio-frequency request signal received
The target data type of request signal；
Pre-stored multiple data packets are parsed, the protocol integrated test system byte in the header field of each data packet is obtained；
The corresponding data type of each data packet is determined according to protocol integrated test system byte；
According to data type, storage is grouped to multiple data packets；
A type judging module, for carrying out the data type for the multiple data packets being pre-stored and target data type
Match；
From multiple data packets, at least one data packet to be sent with target data type successful match is determined, and will
At least one data packet to be sent feeds back to request end.
In the above-described embodiments, label can parse pre-stored multiple data packets, obtain the head of multiple data packets
Protocol integrated test system byte in domain determines the corresponding data type of data packet by protocol integrated test system byte, is receiving request end
After less radio-frequency request signal, the data packet after can directly being stored to grouping obtains, and can thus simplify data acquisition
The flow of identification improves the efficiency that data packet obtains.
The present invention also provides a kind of radio-frequency recognition systems, refer to Fig. 8.Radio-frequency recognition system includes request end and label；
Request end, for generating and sending less radio-frequency request signal to label；
Label, for receiving the less radio-frequency request signal sent from request end；
The less radio-frequency request signal received is parsed, the target data of less radio-frequency request signal request is obtained
Type；
The data type of pre-stored multiple data packets is matched with target data type；
From multiple data packets, at least one data packet to be sent with target data type successful match is determined, and will
At least one data packet to be sent feeds back to request end.
The present invention also provides a kind of storage mediums, are stored thereon with program instruction, and program instruction is being executed by processor
When, realize the method in the corresponding any embodiments of Fig. 1 to Fig. 6.
Reader should be understood that in the description of this specification reference term " one embodiment ", " is shown " some embodiments "
The description of example ", " specific example " or " some examples " etc. mean specific features described in conjunction with this embodiment or example, structure,
Material or feature are included at least one embodiment or example of the invention.In the present specification, above-mentioned term is shown
The statement of meaning property need not be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
It is apparent to those skilled in the art that for convenience of description and succinctly, the dress of foregoing description
The specific work process with unit is set, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, only
A kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
The unit illustrated as separating component may or may not be physically separated, and be shown as unit
Component may or may not be physical unit, you can be located at a place, or may be distributed over multiple networks
On unit.Some or all of unit therein can be selected according to the actual needs to realize the mesh of the embodiment of the present invention
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, can also be during two or more units are integrated in one unit.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
It, can if integrated unit is realized in the form of SFU software functional unit and when sold or used as an independent product
To be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention substantially or
Say that all or part of the part that contributes to existing technology or the technical solution can embody in the form of software products
Out, which is stored in a storage medium, including some instructions are used so that a computer equipment
(can be personal computer, server or the network equipment etc.) executes all or part of each embodiment method of the present invention
Step.And storage medium above-mentioned includes：It is USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random
Access various Jie that can store program code such as memory (RAM, Random Access Memory), magnetic disc or CD
Matter.
More than, specific implementation mode only of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of radio-frequency identification method, which is characterized in that the method includes：
Receive the less radio-frequency request signal sent from request end；
The less radio-frequency request signal received is parsed, the target data of the less radio-frequency request signal request is obtained
Type；
The data type of pre-stored multiple data packets is matched with the target data type；
From the multiple data packet, at least one data packet to be sent with the target data type successful match is determined,
And at least one data packet to be sent is fed back into the request end.
2. radio-frequency identification method according to claim 1, which is characterized in that the number by pre-stored multiple data packets
It is matched, is specifically included with the target data type according to type：
The data type of the multiple data packet is parsed, the corresponding data word of the multiple packet data type is obtained
Symbol string；
The target data type is parsed, the corresponding target data character string of the target data type is obtained；
By each data character string of the acquisition, character matches one by one with the target data character string, if the data
The composition of character and sequence are identical with character composition and sequence in the target string in character string, it is determined that described pre-
The data type of the data packet of storage and the target data type successful match；Otherwise it fails to match.
3. radio-frequency identification method according to claim 2, which is characterized in that described by least one data to be sent
Packet feeds back to the request end, and the method specifically includes：
Each data packet to be sent is parsed, extracts the corresponding information field of the data packet to be sent one by one, is determined
Data length in each described information domain；
During at least one resolve packet to be sent, also obtains in the less radio-frequency request signal and include
, the relevant field of target data length with request determines the target data length according to the relevant field；
It by the data length of each data packet to be sent, is compared, screens with the target data length one by one
First object data packet identical with the target data length, using the first object data packet filtered out as feeding back to
The target data packet of the request end；
The first object data packet is fed back into the request end.
4. radio-frequency identification method according to claim 3, which is characterized in that described the first object data packet is anti-
It is fed to before the request end, the method further includes：To the first object packet encapsulation, while first mesh is written
Mark the quantitative value of data packet.
5. radio-frequency identification method according to claim 4, which is characterized in that described the first object data packet is anti-
It is fed to after the request end, further includes：
The packet loss value that the request end returns is received, if the packet loss value is not equal to zero, is sent to the request end and abandons institute
The signal of first object data packet is stated, and the first object data packet is retransmitted to the request end, until receive
The packet loss value is equal to zero；
The packet loss value is the quantitative value of the practical first object data packet received in the request end and was encapsulated described
The difference for the quantitative value being written in journey.
6. a kind of RFID tag, which is characterized in that judge mould including signal receiving module, signal resolution module and type
Block；
The signal receiving module, for receiving the less radio-frequency request signal sent from request end；
The signal resolution module obtains the less radio-frequency for being parsed to the less radio-frequency request signal received
The target data type of request signal request；
The type judging module, for carrying out the data type for the multiple data packets being pre-stored and the target data type
Matching；
From the multiple data packet, at least one data packet to be sent with the target data type successful match is determined,
And at least one data packet to be sent is fed back into the request end.
7. RFID tag according to claim 6, which is characterized in that the signal resolution module, for described
The data type of multiple data packets is parsed, and the corresponding data character string of the multiple packet data type is obtained；
The target data type is parsed, the corresponding target data character string of the target data type is obtained；
By each data character string of the acquisition, character matches one by one with the target data character string, if the data
The composition of character and sequence are identical with character composition and sequence in the target string in character string, it is determined that described pre-
The data type of the data packet of storage and the target data type successful match；Otherwise it fails to match.
8. RFID tag according to claim 7, which is characterized in that the type judging module, for each
The data packet to be sent is parsed, and is extracted the corresponding information field of the target data packet one by one, is determined each described information
Data length in domain；
During at least one resolve packet to be sent, the less radio-frequency request signal request is also obtained
, with the relevant field of target data length, the target data length is determined according to the relevant field；
It by the data length of each data packet to be sent, is compared, screens with the target data length one by one
First object data packet identical with the target data length, using the first object data packet filtered out as feeding back to
The target data packet of the request end；
The first object data packet is fed back into the request end.
9. RFID tag according to claim 8, which is characterized in that the type judging module is additionally operable to institute
First object packet encapsulation is stated, while the quantitative value of the first object data packet is written；
The packet loss value that the request end returns is received, if the packet loss value is not equal to zero, is sent to the request end and abandons institute
The signal of first object data packet is stated, and the first object data packet is retransmitted to the request end, until receive
The packet loss value is equal to zero；
The packet loss value is the quantitative value of the practical first object data packet received in the request end and was encapsulated described
The difference for the quantitative value being written in journey.
10. a kind of storage medium, is stored thereon with program instruction, which is characterized in that described program instruction is being executed by processor
When, realize method described in any one of claim 1 to 5.
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