CN106446747A - Multi-channel logical reader-writer and method - Google Patents
Multi-channel logical reader-writer and method Download PDFInfo
- Publication number
- CN106446747A CN106446747A CN201610976956.4A CN201610976956A CN106446747A CN 106446747 A CN106446747 A CN 106446747A CN 201610976956 A CN201610976956 A CN 201610976956A CN 106446747 A CN106446747 A CN 106446747A
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- Prior art keywords
- write line
- read write
- multichannel
- radio
- frequency
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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
- G06K7/10198—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 setting parameters for the interrogator, e.g. programming parameters and operating modes
-
- 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
- G06K7/10297—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 handling protocols designed for non-contact record carriers such as RFIDs NFCs, e.g. ISO/IEC 14443 and 18092
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention provides a multi-channel logical reader-writer which comprises a baseband module and a radio frequency module, wherein the baseband module is connected with the radio frequency module. The invention provides a multi-channel logical reading-writing method. The multi-channel logical reader-writer has the advantages that hardware resources of the reader are sufficiently used, the tag identifying efficiency of the reader-writer is greatly improved, and engineering design of an RFID (radio frequency identification device) application system is facilitated.
Description
Technical field
The present invention relates to read write line, more particularly, to a kind of multichannel logic read write line and method.
Background technology
Identify field in radio frequency, passive fixed type reader-writer achieves the reading to passive label and write work(
Energy.In existing passive fixed type reader-writer product design, have cured the configuration parameter of radio frequency part in firmware program, including
The parameters such as transmission power that this radio-frequency channel is used, modulation depth, frequency selection, air protocol.
Due to the firmware program of the radio frequency part of passive fixed type reader-writer have cured radio frequency part configuration parameter so that
Its range is restricted.
1. can not neatly be used in multiple transmission powers, modulation depth, frequency selection, the field of air protocol requirement
Close.Need to configure the fixing read write line of multiple stage different radio frequency parameter, use cost rises at double.
2. in the radio frequency coverage of read write line, if the read write line having more than two same radio frequency parameters works simultaneously,
The idle port communication of an interior label will be led to chaotic.Read write line occurs and accurately cannot obtain label information, or even label leakage occurs
The phenomenon read.
Content of the invention
In order to solve the problems of the prior art, the invention provides a kind of multichannel logic read write line and method.
The invention provides a kind of multichannel logic read write line, including baseband module and radio-frequency module, wherein, described base band
Module is connected with described radio-frequency module.
As a further improvement on the present invention, described baseband module carries embedded Linux system.
As a further improvement on the present invention, described radio-frequency module includes processor protocol stack, transmitting chain, reception chain
Road, described processor protocol stack and transmitting chain, receives link connects.
As a further improvement on the present invention, the processor protocol stack of described radio-frequency module is connected with electrical switch.
The invention provides a kind of multichannel logic reading/writing method, independently configure transmission power, the poll of each passage
Time, modulation depth, frequency selectes, air protocol and the parameter whether enabling this radio-frequency channel.
As a further improvement on the present invention, read write line self adaptation switching air protocol, Automatic Optimal corresponds to radio frequency parameter
And the channel polling time.
As a further improvement on the present invention, multiple passages of read write line can be unified to be configured to a kind of air protocol class
Type.
As a further improvement on the present invention, multiple passages of read write line can be configured to mutually different air protocol class
Type.
As a further improvement on the present invention, the single passage of read write line can be configured to support multiple air protocol simultaneously
Type.
The invention has the beneficial effects as follows：By such scheme, it is to avoid the crosstalk of radiofrequency signal between multi-antenna port, fill
Divide the hardware resource that make use of read write line, improve the efficiency that read write line identifies label to maximization.
Brief description
Fig. 1 is a kind of schematic diagram of present invention multichannel logic read write line.
Fig. 2 is a kind of radio frequency parameter configuration flow figure of present invention multichannel logic reading/writing method.
Specific embodiment
The present invention is further described for explanation and specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of multichannel logic read write line, including baseband module 1 and radio-frequency module 2, wherein, described base band
Module 1 is connected with described radio-frequency module 2, and wherein, described baseband module 1 adopts embedded Linux system.
As shown in figure 1, described radio-frequency module 2 includes processor protocol stack (MCU＆FPGA) 21, transmitting chain (PLL, MOD,
DAC, PA, Coupler, ANT-SW), receives link (ANT-SW, Coupler, Self-jammer cancellation,
combiner,DEMOD,ADC).Described processor protocol stack and transmitting chain, receives link connects.
A kind of multichannel logic read write line that the present invention provides, baseband module 1 runs embedded Linux system and mainly processes
The external interface of read write line and tag database management function；Radio-frequency module 2 mainly processes transmitting chain, receives link and electricity
The functional realiey of son switch selection etc..The transmission power of processor protocol stack process respective channel, poll time, modulation depth,
Frequency selects, and the parameter such as air protocol.
A kind of multichannel logic reading/writing method, separate configurations each channel emission power, poll time, modulation depth, frequency select,
Air protocol and the parameter whether enabling this antenna port.
A kind of multichannel logic read write line method, in read write line startup stage, by the reading specifying label in radio-frequency field
Take, self adaptation switches air protocol, Automatic Optimal radio frequency parameter and channel polling time, realize by read write line automatically configure in
Read the optimal state of label efficiency.
A kind of multichannel logic read write line and multichannel logic reading/writing method that the present invention provides, each passage of separate configurations
Transmission power, poll time, modulation depth, frequency are selected, air protocol and the parameter whether enabling this antenna port etc., can
Efficiently solve the defect that existing fixing read write line can not be flexibly adapted to the application scenarios of complexity；Fixing read write line is starting
In the stage, air protocol is switched by self adaptation, optimize poll time of corresponding radio frequency parameter and adjust automatically respective channel etc.
Parameter, the optimal radio frequency parameter of label efficiency is being read in fixing read write line configuration, the label drastically increasing read write line is read
Take performance.
Processor firmware software radio frequency parameter configuration flow such as Fig. 2, fixing read write line reads and loads rf board storage
Configuration parameter, switches air protocol in startup stage self adaptation, optimizes radio frequency parameter, the measure such as adjustment poll time, self adaptation
Ground selects to read the optimal parameter of label.
A kind of multichannel multi-protocols method that the present invention provides, that is, on multiple passages of a read write line, uses respectively
The parameters such as different air protocol, radio frequency parameter, and poll time, the set of composition read write line.Adjust by firmware software is unified
The transmitting of degree radio frequency, receives widow time, it is to avoid the crosstalk of radiofrequency signal between multiple passages.
A kind of multichannel list protocol method that the present invention provides, that is, on multiple passages of a read write line, unified use
A type of agreement.By firmware software judge passage corresponding launching site interior label quantity number, unified Optimized Operation is each
The poll time of individual passage, gives full play to the tag reader advantage of read write line.
A kind of single channel multi-protocols method that the present invention provides, that is, on a passage of a read write line, time sharing segment
Execute polytype agreement.Manage the poll time of all kinds agreement by firmware software concentratedly, cover and read launching site
Interior various types of label.
Based on the various combination of read write line radio frequency parameter, read-write machine firmware software logically processes the work of each passage
State, switches transmitting and the reception of each paths by polling mode, avoids radio frequency letter between different antennae port from bottom
Number crosstalk.
A kind of multichannel logic read write line and multichannel logic reading/writing method that the present invention provides, application moduleization design is thought
Think, hardware modularity is separated, and software modularity designs.By simple software arrangements above-mentioned parameter, you can be applied to multiple
Air protocol, multiple RF spots, the scene of the complexity of multiple labels.
A kind of multichannel logic read write line and multichannel logic reading/writing method that the present invention provides, belong to radio frequency and know
Other field, the multichannel antenna multiplexing relating generally to passive fixed type reader-writer selects.Having the passive solid of multichannel antenna
On fixed pattern read write line, by embedded software adaptive configuration each paths RF spot and air protocol, realize at same
The innovation simultaneously being worked using different radio frequency parameter on fixed type reader-writer.The present invention makes full use of passive fixed read-write
The own hardware resource of device, can be applicable to the scene of the requirements such as multiple frequency range, multiple transmission power, multiple air protocol.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (9)
1. a kind of multichannel logic read write line it is characterised in that：Including baseband module and radio-frequency module, wherein, described base band mould
Block is connected with described radio-frequency module.
2. multichannel logic read write line according to claim 1 it is characterised in that：Described baseband module carries embedded
Linux system.
3. multichannel logic read write line according to claim 1 it is characterised in that：Described radio-frequency module includes processor association
View stack, transmitting chain, receives link, described processor protocol stack and transmitting chain, receives link connects.
4. multichannel logic read write line according to claim 1 it is characterised in that：Described transmitting chain and receives link with
Electrical switch connects, and is controlled by processor protocol stack and gates the transmitting antenna specified.
5. a kind of multichannel logic reading/writing method it is characterised in that：Independently configure the transmission power of each passage, during poll
Between, modulation depth, frequency is selected, air protocol and whether using the parameter of this radio-frequency channel.
6. multichannel logic reading/writing method according to claim 5 it is characterised in that：Read write line is in startup stage, adaptive
Air protocol should be switched, optimize the parameters such as radio frequency parameter and the channel polling time of respective channel, automatically read write line is configured
In the state that reading label efficiency is optimal.
7. according to claim 5 multichannel logic reading/writing method it is characterised in that：The unified configuration of multiple passages of read write line
Become a kind of air protocol type, i.e. multichannel list agreement.
8. according to claim 5 multichannel logic reading/writing method it is characterised in that：Multiple passages of read write line are configured to mutually
The air protocol type differing, i.e. multichannel multi-protocols.
9. according to claim 5 multichannel logic reading/writing method it is characterised in that：The single passage of read write line is configured to same
When support multiple air protocol types, i.e. single channel multi-protocols.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976956.4A CN106446747A (en) | 2016-10-28 | 2016-10-28 | Multi-channel logical reader-writer and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610976956.4A CN106446747A (en) | 2016-10-28 | 2016-10-28 | Multi-channel logical reader-writer and method |
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| Publication Number | Publication Date |
|---|---|
| CN106446747A true CN106446747A (en) | 2017-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610976956.4A Pending CN106446747A (en) | 2016-10-28 | 2016-10-28 | Multi-channel logical reader-writer and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109697380A (en) * | 2019-01-28 | 2019-04-30 | 华清科盛(北京)信息技术有限公司 | A kind of radio frequency system of pair of adaptive read-write operation of UHF RFID label tag |
| CN113156390A (en) * | 2021-03-19 | 2021-07-23 | 深圳航天科技创新研究院 | Radar signal processing method and apparatus, and computer-readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2847383Y (en) * | 2005-10-19 | 2006-12-13 | 上海阿法迪智能标签系统技术有限公司 | Micro radio frequency identifying multiple protocol read-and-write device |
| CN102663458A (en) * | 2012-03-16 | 2012-09-12 | 江苏瑞福智能科技有限公司 | Multi-core UHF RFID reader-writer realized by application software |
| CN105912970A (en) * | 2016-06-29 | 2016-08-31 | 长春理工大学 | Multi-frequency RFID reader based on software radio |
-
2016
- 2016-10-28 CN CN201610976956.4A patent/CN106446747A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2847383Y (en) * | 2005-10-19 | 2006-12-13 | 上海阿法迪智能标签系统技术有限公司 | Micro radio frequency identifying multiple protocol read-and-write device |
| CN102663458A (en) * | 2012-03-16 | 2012-09-12 | 江苏瑞福智能科技有限公司 | Multi-core UHF RFID reader-writer realized by application software |
| CN105912970A (en) * | 2016-06-29 | 2016-08-31 | 长春理工大学 | Multi-frequency RFID reader based on software radio |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109697380A (en) * | 2019-01-28 | 2019-04-30 | 华清科盛(北京)信息技术有限公司 | A kind of radio frequency system of pair of adaptive read-write operation of UHF RFID label tag |
| CN113156390A (en) * | 2021-03-19 | 2021-07-23 | 深圳航天科技创新研究院 | Radar signal processing method and apparatus, and computer-readable storage medium |
| CN113156390B (en) * | 2021-03-19 | 2023-09-08 | 深圳航天科技创新研究院 | Radar signal processing method and device, and computer readable storage medium |
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