CN109784456A - A kind of electronic label chip of the double agreements of passive RFID - Google Patents
A kind of electronic label chip of the double agreements of passive RFID Download PDFInfo
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- CN109784456A CN109784456A CN201811571153.6A CN201811571153A CN109784456A CN 109784456 A CN109784456 A CN 109784456A CN 201811571153 A CN201811571153 A CN 201811571153A CN 109784456 A CN109784456 A CN 109784456A
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Abstract
The present invention provides a kind of electronic label chips of the double agreements of passive RFID, including agreement A processing module, agreement B processing module and 1 memory；Agreement A processing module, agreement B processing module are connect with the memory respectively, agreement A processing module is used to receive and decode the work order that the read-write equipment of supported protocol A is sent, data are written to the memory or read the data of the memory, is encoded by the data encoding format of agreement A requirement and returns to the read-write equipment of supported protocol A；The agreement B processing module is used to receive and decode the work order that the read-write equipment of supported protocol B is sent, data are written to the memory or read the data of the memory, is encoded by the data encoding format of agreement B requirement and returns to the read-write equipment of supported protocol B.The beneficial effects of the present invention are: double agreements share a memory, so that supporting that the cost of the single RFID label tag of double agreements significantly reduces, area reduces.
Description
Technical field
The present invention relates to electronic tag more particularly to a kind of electronic label chips of the double agreements of passive RFID.
Background technique
In the field radio frequency identification (RFID), there are multiple communication protocols, different communication protocol due to working frequency, answer
With the difference of scene, it is respectively provided with different features.For example, meeting the RFID electronic label chip of 14223 communication protocol of ISO
Work in low frequency band, have it is good to the penetration power that can lead media in water, human body or animal body etc., and it is speed, distance, anti-
The performance that conflicts is poor；Meet the RFID electronic label chip operation of ISO 18000-6C communication protocol in ultra-high frequency band, has
High-speed, remote, multi-tag distinguish the features such as performance is strong, but weaker to the penetration power that can lead media.
With the fast development of the application based on RFID technique, meet using single communication agreement RFID system not
It is able to satisfy certain application demands, a kind of solution is simply to be combined into two label chips of different communication protocol
One label, this label can form the RFID for supporting two communication protocol with the read-write equipment for meeting different communication protocol
System can make full use of the advantage of different communication protocol.
But above scheme has the shortcomings that following two:
1) in label there are two label chip, label higher cost, area is larger.
2) data of two label chips are separate managements in label, and data management cost is very high, and is easy to appear
The data disunity of two label chips.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of electronic tag cores of the double agreements of passive RFID
Piece.
The present invention provides a kind of electronic label chips of the double agreements of passive RFID, including agreement A processing module, agreement B
Processing module and 1 memory；The agreement A processing module is handed over for code/decode format specified in processing protocol A and order
Mutual function enables the electronic label chip to be communicated with the read-write equipment for meeting agreement A；The agreement B processing module is used
The code/decode format specified in processing protocol B and command interaction function enable the electronic label chip and meet agreement B's
Read-write equipment is communicated；The electronic label chip supports two communication protocols: agreement A and agreement B, and the electronics mark
Only one memory of chip interior is signed, the electronic label chip can not only be communicated with the read-write equipment for meeting agreement A, but also
It can be communicated with the read-write equipment for meeting agreement B.
As a further improvement of the present invention, the agreement A processing module is used to receive and decode the read-write of supported protocol A
The work order that equipment is sent, Xiang Suoshu memory is written data or reads the data of the memory, by the number of agreement A requirement
The read-write equipment of supported protocol A is encoded and returned to according to coded format；The agreement B processing module is for receiving and decoding
The work order that the read-write equipment of supported protocol B is sent, Xiang Suoshu memory are written data or read the data of the memory,
It is encoded by the data encoding format of agreement B requirement and returns to the read-write equipment of supported protocol B.
As a further improvement of the present invention, the memory is divided into id field, multiple data words on physical address
Section, A control field and B control field；When the electronic label chip is communicated with the read-write equipment for meeting agreement A, the association
It discusses A processing module and the id field of the memory and multiple data fields is formd into agreement A defined by logical mappings
Logical storage area becomes the electronic label chip for meeting agreement A；When the electronic label chip is set with the read-write for meeting agreement B
When standby communication, the agreement B processing module forms the id field of the memory and multiple data fields by logical mappings
The logical storage area of agreement B defined, becomes the electronic label chip for meeting agreement B.
As a further improvement of the present invention, multiple data fields of the memory are on physical address comprising following interior
Hold: identifying the minimum data word that each memory block as defined in the id field of the electronic label chip uniqueness, agreement A is included
Minimum data field that section, each memory block as defined in agreement B are included compiles article appended by the electronic label chip
The application data field of code.
As a further improvement of the present invention, the agreement A is by the memory inside the electronic label chip from logic
On be divided into multiple memory blocks A, the memory block USER_A, the memory block ID_A；Wherein, the memory block A is for storing agreement A defined
Specific data, for storing the application data encoded to article appended by electronic label chip, ID_A is deposited for the memory block USER_A
Storage area is used to identify the uniqueness for all RFID label chips for meeting agreement A；Agreement B will be inside the electronic label chip
Memory is logically divided into multiple memory blocks B, the memory block USER_B, the memory block ID_B；Wherein, the memory block B is for storing
The specific data of agreement B defined, the memory block USER_B are answered for storing what article appended by electronic label chip was encoded
With data, the memory block ID_B is used to identify the uniqueness for all RFID label chips for meeting agreement B.
As a further improvement of the present invention, the minimum data field that each memory block as defined in agreement A is included is referred to as
For A data field, the minimum data field that each memory block as defined in agreement B is included is referred to as B data field, the agreement
Multiple A data fields of the memory are mapped to form each A as defined in agreement A by A processing module by logical mappings mode
Memory block, the read-write equipment for meeting agreement A are written and read；The agreement B processing module will by logical mappings mode
Multiple B data fields of the memory map to form each memory block B as defined in agreement B, for meeting the read-write equipment of agreement B
It is written and read.
As a further improvement of the present invention, the A control field is for controlling A data field logical mappings to agreement B
Logical storage area when access limit；The B control field is used to control the logic of B data field logical mappings to agreement A
Access limit when memory block.
As a further improvement of the present invention, the A control field can only be met the read-write equipment configuration of agreement A, right
The read-write equipment for meeting agreement B is invisible；The B control field can only be met the read-write equipment configuration of agreement B, be assisted to meeting
The read-write equipment for discussing A is invisible.
As a further improvement of the present invention, the agreement A processing module is by logical mappings mode by the memory
Multiple B data fields and application data field map to form the memory block USER_A as defined in agreement A；The agreement B handles mould
Block maps the multiple A data fields and application data field of the memory by logical mappings mode to form agreement B regulation
The memory block USER_B.
As a further improvement of the present invention, the agreement A processing module is by logical mappings mode by the memory
Id field map to form the memory block ID_A as defined in agreement A；The agreement B processing module will be described by logical mappings mode
The id field of memory maps to form the memory block ID_B as defined in agreement B.
The beneficial effects of the present invention are: through the above scheme, double agreements share a memory, so that supporting double agreements
The cost of single RFID label tag significantly reduces, area reduces；Since the logical storage area of two different agreements occupies memory
Same physical address so that the read-write equipment for meeting agreement A is rewritten to logical storage area data as defined in agreement A
Afterwards, also changed when corresponding physical address data is mapped to logical storage area data as defined in agreement B, vice versa.
It is greatly lowered data management cost in this way, and is not in the skimble-scamble situation of data.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the electronic label chip of the double agreements of passive RFID of the present invention.
Fig. 2 is that logical storage area as defined in a kind of agreement A of the electronic label chip of the double agreements of passive RFID of the present invention shows
It is intended to.
Fig. 3 is that logical storage area as defined in a kind of agreement B of the electronic label chip of the double agreements of passive RFID of the present invention shows
It is intended to.
Specific embodiment
The invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
The electronic label chip of the double agreements of a kind of passive RFID as shown in Figure 1, mainly by agreement A processing module 1, agreement B
Processing module 2 and 1 memory 3 forms.The read-write equipment that agreement A processing module 1 is used to receive and decode supported protocol A is sent
Work order, to memory 3 be written data or read memory 3 data, by agreement A requirements data encoding format progress
The read-write equipment of supported protocol A is encoded and returned to, or completes other operations according to order, at this time the electronic label chip
It is no different with the electronic label chip of common only supported protocol A.Agreement B processing module 2 is for receiving and decoding supported protocol B's
The work order that read-write equipment is sent is written data to memory 3 or reads the data of memory 3, by the data of agreement B requirement
Coded format is encoded and is returned to the read-write equipment of supported protocol B, or completes other operations according to order, described at this time
The electronic label chip of electronic label chip and common only supported protocol B is no different.Memory 3 is the letter in electronic label chip
Storage unit is ceased, various information datas are all stored in memory.In the present embodiment, memory 3 includes on physical address
1_A data field 31,1_N data field 32,1_B data field 33, M_B data field 34, application data field 35, id field
36, A control field 37, B control field 38.
In present example, as shown in Fig. 2, agreement A logically divides the memory inside electronic label chip
For multiple memory blocks: the memory block 1_A 41, the memory block N_A 42, the memory block USER_A 43 and the memory block ID_A 44.The memory block 1_A
41, the memory block N_A 42 is for storing specific data such as security control information, label chip system information of agreement A defined etc..
The memory block USER_A 43 is for storing the application data encoded to article appended by label chip.The memory block ID_A 44 is for marking
Know the uniqueness for meeting all RFID label chips of agreement A.It is worth mentioning that meeting the read-write equipment of agreement A to described
It is not written and read using the physical address of memory 3 as pointer when the memory 3 of label chip is operated, with agreement
Logical storage area as defined in A is what pointer was written and read, thus in the logical storage area of the physical address of memory 3 and agreement A
Between there are a kind of mapping relations: the 1_A that the 1_A data field 31 and N_A data field 32 of memory 3 are mapped as agreement A is deposited
Storage area 41 and the memory block N_A 42, the id field 36 of memory 3 are mapped as the memory block ID_A 44 of agreement A, 1_B data field 33,
M_B data field 34 and application data field 35 are mapped as the memory block USER_A 43 of agreement A, and A control field 37 is mapped as A control
Field 45 processed.Logic required for this address of cache is realized by agreement A processing module 1.
In present example, as shown in figure 3, agreement B logically divides the memory inside electronic label chip
For multiple memory blocks: the memory block USER_B 51, the memory block 1_B 52, the memory block M_B 53 and the memory block ID_B 54.The memory block 1_B
52, the memory block M_B 53 is for storing specific data such as security control information, label chip system information of agreement B defined etc..
The memory block USER_B 51 is for storing the application data encoded to article appended by label chip.The memory block ID_B 54 is for marking
Know the uniqueness for meeting all RFID label chips of agreement B.It is worth mentioning that meeting the read-write equipment of agreement B to described
It is not written and read using the physical address of memory 3 as pointer when the memory 3 of label chip is operated, with agreement
Logical storage area as defined in B is what pointer was written and read, thus in the logical storage area of the physical address of memory 3 and agreement B
Between there are a kind of mapping relations: the 1_B that the 1_B data field 33 and M_B data field 34 of memory 3 are mapped as agreement B is deposited
Storage area 52 and the memory block M_B 53, the id field 36 of memory 3 are mapped as the memory block ID_B 54 of agreement B, 1_A data field 31,
N_A data field 32 and application data field 35 are mapped as the memory block USER_B 51 of agreement B, and B control field 38 is mapped as B control
Field 55 processed.Logic required for this address of cache is realized by agreement B processing module 2.
It should be noted that each communication protocol is more flexible to the regulation of storage area data format, logic addressing can
As unit of byte, word or page, byte order has high priority, low level priority scheduling.For support two of present example
For the passive RFID electronic label chip of agreement, if agreement A and agreement B are different to the regulation of storage area data format,
So memory 3 can only be carried out in storing data on physical address by wherein some agreement data format as defined in agreement A
Storage, so should just realize Data Format Transform function in agreement B processing module 2, in the read-write equipment for meeting agreement B
Automatically the conversion of data format is executed when being written and read to memory 3.
In present example, the data stored in memory 3 can both have been met the read-write equipment read-write of agreement A,
The read-write equipment read-write that agreement B can be met, realizes data and shares to the greatest extent, enhances the flexible of chip application
Property.Simultaneously in order to which the permission of apparent data controls, as shown in Figure 1, the memory 3 in present example contains A control field
37 and B control field 38, wherein A control field 37 is used to control the 1_A data field 31 of memory 3, N_A data field 32 exists
The configuration of access limit under agreement B, the A control field 37 itself can only be carried out by the read-write equipment for meeting agreement A, be shown
Meet 1_A data field 31 of the read-write equipment to memory 3 of agreement A, N_A data field 32 is controlled with highest permission.
Wherein B control field 38 is used to control the read-write power of the 1_B data field 33 of memory 3, M_B data field 34 at agreement A
The configuration of limit, the B control field 38 itself can only be carried out by the read-write equipment for meeting agreement B, show the read-write for meeting agreement B
Equipment controls the 1_B data field 33 of memory 3, M_B data field 34 with highest permission.It can also be according to practical application
Situation increases the permission control of application data field 35 and id field 36 in A control field 37 and B control field 38.
In present example, by using the method for double agreement common storages, so that supporting the passive RFID of double agreements
The cost of electronic label chip significantly reduces, area reduces；Since the logical storage area of two different agreements occupies memory
Same physical address so that the read-write equipment for meeting agreement A is rewritten to logical storage area data as defined in agreement A
Afterwards, also changed when corresponding physical address data is mapped to logical storage area data as defined in agreement B, vice versa.
It is greatly lowered data management cost in this way, and is not in the skimble-scamble situation of data.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (9)
1. a kind of electronic label chip of the double agreements of passive RFID, it is characterised in that: including agreement A processing module, agreement B processing
Module and 1 memory；The agreement A processing module, agreement B processing module are connect with the memory respectively, the agreement A
Processing module is used to receive and decode the work order that the read-write equipment of supported protocol A is sent, and data are written in Xiang Suoshu memory
Or the data of the memory are read, it is encoded by the data encoding format of agreement A requirement and returns to the reading of supported protocol A
Write device；The agreement B processing module is used to receive and decode the work order that the read-write equipment of supported protocol B is sent, to institute
It states memory write-in data or reads the data of the memory, encoded and returned by the data encoding format of agreement B requirement
Back to the read-write equipment of supported protocol B.
2. the electronic label chip of the double agreements of passive RFID according to claim 1, it is characterised in that: the memory exists
Id field, multiple data fields, A control field and B control field are divided on physical address；When the electronic label chip with
When meeting the read-write equipment communication of agreement A, the agreement A processing module is by the id field of the memory and multiple data fields
The logical storage area that agreement A defined is formd by logical mappings becomes the electronic label chip for meeting agreement A；When described
When electronic label chip is communicated with the read-write equipment for meeting agreement B, the agreement B processing module is by the id field of the memory
The logical storage area for foring agreement B defined by logical mappings with multiple data fields, becomes the electronics mark for meeting agreement B
Sign chip.
3. the electronic label chip of the double agreements of passive RFID according to claim 2, it is characterised in that: the memory
Multiple data fields include the following contents on physical address: identifying id field, the agreement A of the electronic label chip uniqueness
The minimum data word that each memory block as defined in minimum data field that defined each memory block is included, agreement B is included
Section, the application data field that article appended by the electronic label chip is encoded.
4. the electronic label chip of the double agreements of passive RFID according to claim 3, it is characterised in that: the agreement A will
Memory inside the electronic label chip is logically divided into multiple memory blocks A, the memory block USER_A, ID_A storage
Area；Wherein, the memory block A is used to store the specific data of agreement A defined, and the memory block USER_A is for storing to electronic tag core
The application data that article appended by piece is encoded, the memory block ID_A is for identifying all RFID label chips for meeting agreement A
Uniqueness；Memory inside the electronic label chip is logically divided into multiple memory blocks B by agreement B, USER_B is deposited
Storage area, the memory block ID_B；Wherein, the memory block B is used to store the specific data of agreement B defined, and the memory block USER_B is for depositing
The application data encoded to article appended by electronic label chip are put, the memory block ID_B, which is used to identify, meets all of agreement B
The uniqueness of RFID label chip.
5. the electronic label chip of the double agreements of passive RFID according to claim 4, it is characterised in that: as defined in agreement A
The minimum data field that each memory block is included is referred to as A data field, and each memory block as defined in agreement B is included most
Small data field is referred to as B data field, and the agreement A processing module is by logical mappings mode by the multiple of the memory
A data field maps to form each memory block A as defined in agreement A, and the read-write equipment for meeting agreement A is written and read；Institute
Agreement B processing module is stated to map multiple B data fields of the memory by logical mappings mode to be formed as defined in agreement B
Each memory block B, the read-write equipment for meeting agreement B are written and read.
6. the electronic label chip of the double agreements of passive RFID according to claim 5, it is characterised in that: the A control word
Section is for controlling access limit when logical storage area of the A data field logical mappings to agreement B；The B control field is used for
Control access limit when B data field logical mappings to the logical storage area of agreement A.
7. the electronic label chip of the double agreements of passive RFID according to claim 6, it is characterised in that: the A control word
Section can only be met the read-write equipment configuration of agreement A, invisible to the read-write equipment for meeting agreement B；The B control field can only
Met the read-write equipment configuration of agreement B, it is invisible to the read-write equipment for meeting agreement A.
8. the electronic label chip of the double agreements of passive RFID according to claim 4, it is characterised in that: at the agreement A
The multiple B data fields and application data field of the memory are mapped to form agreement A by reason module by logical mappings mode
The defined memory block USER_A；The agreement B processing module is by logical mappings mode by multiple A data words of the memory
Section and application data field map to form the memory block USER_B as defined in agreement B.
9. the electronic label chip of the double agreements of passive RFID according to claim 4, it is characterised in that: at the agreement A
Reason module maps the id field of the memory to form the memory block ID_A as defined in agreement A by logical mappings mode；It is described
Agreement B processing module maps the id field of the memory by logical mappings mode to form the storage of ID_B as defined in agreement B
Area.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811571153.6A CN109784456A (en) | 2018-12-21 | 2018-12-21 | A kind of electronic label chip of the double agreements of passive RFID |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811571153.6A CN109784456A (en) | 2018-12-21 | 2018-12-21 | A kind of electronic label chip of the double agreements of passive RFID |
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Application publication date: 20190521 |