CN206421402U - A kind of multichannel logic read write line - Google Patents
A kind of multichannel logic read write line Download PDFInfo
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- CN206421402U CN206421402U CN201621195123.6U CN201621195123U CN206421402U CN 206421402 U CN206421402 U CN 206421402U CN 201621195123 U CN201621195123 U CN 201621195123U CN 206421402 U CN206421402 U CN 206421402U
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Abstract
The utility model provides a kind of logic read write line, including baseband module and radio-frequency module, wherein, the baseband module is connected with the radio-frequency module.The beneficial effects of the utility model are：The hardware resource of read write line is taken full advantage of, the efficiency that read write line recognizes label is improved to maximization, is conducive to the engineering design of RFID application systems.
Description
Technical field
The utility model is related to read write line, more particularly to a kind of multichannel logic read write line.
Background technology
Field is recognized in radio frequency, passive fixed type reader-writer realizes the reading and write-in work(to passive label
Energy.In existing passive fixed type reader-writer product design, the configuration parameter of radio frequency part is have cured in firmware program, including
The parameter such as transmission power, modulation depth, frequency selection, air protocol used in the radio-frequency channel.
Because the firmware program of the radio frequency part of passive fixed type reader-writer have cured the configuration parameter of radio frequency part so that
It is restricted using scope.
1. it can not neatly be used in a variety of transmission powers, modulation depth, frequency selection, the field of air protocol requirement
Close.The fixation read write line of many different radio frequency parameters of configuration is needed, use cost rises at double.
2. in the radio frequency coverage of read write line, if the read write line for having more than two same radio frequency parameters works simultaneously,
The idle port communication of an interior label will be caused chaotic.Label information can not accurately be obtained by read write line occur, or even label leakage occurs
The phenomenon of reading.
Utility model content
In order to solve the problems of the prior art, the utility model provides a kind of multichannel logic read write line.
The utility model provides a kind of multichannel logic read write line, including baseband module and radio-frequency module, wherein, it is described
Baseband module is connected with the radio-frequency module.
As further improvement of the utility model, the baseband module carries embedded Linux system.
As further improvement of the utility model, the radio-frequency module includes processor protocol stack, and transmitting chain is received
Link, the processor protocol stack and transmitting chain, receives link connection.
As further improvement of the utility model, the processor protocol stack of the radio-frequency module is connected with electronic switch.
The utility model provide a kind of multichannel logic reading/writing method, independently configure each passage transmission power,
Poll time, modulation depth, frequency are selected, air protocol and the parameter for whether enabling the radio-frequency channel.
As further improvement of the utility model, read write line adaptively switches air protocol, Automatic Optimal correspondence radio frequency
Parameter and channel polling time.
As further improvement of the utility model, multiple passages of read write line can uniformly be configured to a kind of air protocol
Type.
As further improvement of the utility model, multiple passages of read write line can be configured to mutually different association of eating dishes without rice or wine
Discuss type.
As further improvement of the utility model, the single passage of read write line can be configured to while supporting a variety of eat dishes without rice or wine
Protocol type.
The beneficial effects of the utility model are：Pass through such scheme, it is to avoid the string of radiofrequency signal between multi-antenna port
Disturb, take full advantage of the hardware resource of read write line, improve to maximization the efficiency that read write line recognizes label.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of multichannel logic read write line of the utility model.
Fig. 2 is a kind of radio frequency parameter configuration flow figure of multichannel logic reading/writing method of the utility model.
Embodiment
Explanation and embodiment are further illustrated to the utility model 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, the base band
Module 1 is connected with the radio-frequency module 2, wherein, the baseband module 1 uses embedded Linux system.
As shown in figure 1, the radio-frequency module 2 include 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).The processor protocol stack and transmitting chain, receives link connection.
A kind of multichannel logic read write line that the utility model is provided, the operation embedded Linux system of baseband module 1 is main
Handle the external interface and tag database management function of read write line；Radio-frequency module 2 mainly processing transmitting chain, receives link with
And electronic switch selection etc. function realize.Processor protocol stack handles the transmission power of respective channel, and poll time, modulation is deep
The parameter such as degree, frequency selection, and air protocol
A kind of multichannel logic reading/writing method, each channel emission power of separate configurations, poll time, modulation depth, frequency
Selected, air protocol and the parameter for whether enabling the antenna port.
A kind of multichannel logic read write line method, in read write line startup stage, passes through the reading to specifying label in radiofrequency field
Take, adaptively switch 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 utility model is provided, separate configurations are each logical
The transmission power in road, poll time, modulation depth, frequency are selected, air protocol and the parameter for whether enabling the antenna port etc.,
Existing fixed read write line, which can be efficiently solved, can not be flexibly adapted to the defect of application scenarios of complexity；Fixed read write line exists
Startup stage, by adaptively switching air protocol, when optimizing the poll for corresponding to radio frequency parameter and adjust automatically respective channel
Between etc. parameter, the optimal radio frequency parameter of label efficiency is being read into fixed read write line configuration, the mark of read write line is drastically increased
Sign reading performance.
Processor firmware software radio frequency parameter configuration flow such as Fig. 2, fixed read write line reads what loading rf board had been stored
Configuration parameter, adaptively switches air protocol in startup stage, optimizes radio frequency parameter, adjusts the measures such as poll time, adaptively
The optimal parameter of label is read in ground selection.
A kind of multichannel multi-protocols method that the utility model is provided, i.e., on multiple passages of a read write line, respectively
Using different air protocols, the parameter such as radio frequency parameter, and poll time constitutes the set of read write line.United by firmware software
The transmitting of one scheduling radio frequency, receives window time, it is to avoid the crosstalk of radiofrequency signal between multiple passages.
A kind of multichannel list protocol method that the utility model is provided is unified that is, on multiple passages of a read write line
Use a type of agreement.By firmware software judge passage correspondence launching site interior label quantity number, unified optimization is adjusted
The poll time of each passage is spent, the tag reader advantage of read write line is given full play to.
A kind of single channel multi-protocols method that the utility model is provided, i.e., on a passage of a read write line, timesharing
Segmentation performs polytype agreement.Manage the poll time of all kinds agreement concentratedly by firmware software, hair is read in covering
Penetrate various types of labels in field.
Based on the various combination of read write line radio frequency parameter, read-write machine firmware software logically handles the work of each passage
State, switches the transmitting and reception of each paths by polling mode, and radio frequency is believed between avoiding different antennae port from bottom
Number crosstalk.
A kind of multichannel logic read write line and multichannel logic reading/writing method that the utility model is provided, application module are set
Thought is counted, hardware modularity is separated, software modularity design.Pass through simple software merit rating above-mentioned parameter, you can be applied to
A variety of air protocols, a variety of RF spots, the complicated scene of a variety of labels.
A kind of multichannel logic read write line and multichannel logic reading/writing method that the utility model is provided, belong to radio and penetrate
Frequency identification field, relates generally to the multichannel antenna multiplexing selection of passive fixed type reader-writer.Possessing the nothing of multichannel antenna
On the fixed type reader-writer of source, by each paths RF spot of embedded software adaptive configuration and air protocol, realize same
The utility model worked simultaneously using different radio frequency parameter on one fixed type reader-writer is innovated.The utility model makes full use of nothing
The own hardware resource of source fixed type reader-writer, can be applied to multiple frequency range, a variety of transmission powers, a variety of air protocols etc. will
The scene asked.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that specific implementation of the present utility model is confined to these explanations.For the ordinary skill of the utility model art
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to protection domain of the present utility model.
Claims (1)
1. a kind of multichannel logic read write line, it is characterised in that：Including baseband module and radio-frequency module, wherein, the base band mould
Block is connected with the radio-frequency module, and the baseband module carries embedded Linux system, and the radio-frequency module is assisted including processor
Discuss stack, transmitting chain, receives link, the processor protocol stack and transmitting chain, receives link connection, the transmitting chain and
Receives link is connected with electronic switch, and the transmitting antenna that gating is specified is controlled by processor protocol stack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195123.6U CN206421402U (en) | 2016-10-28 | 2016-10-28 | A kind of multichannel logic read write line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621195123.6U CN206421402U (en) | 2016-10-28 | 2016-10-28 | A kind of multichannel logic read write line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206421402U true CN206421402U (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201621195123.6U Active CN206421402U (en) | 2016-10-28 | 2016-10-28 | A kind of multichannel logic read write line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112668683A (en) * | 2020-12-25 | 2021-04-16 | 广州安的电子科技有限公司 | Intelligent safety door and detection method thereof |
-
2016
- 2016-10-28 CN CN201621195123.6U patent/CN206421402U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112668683A (en) * | 2020-12-25 | 2021-04-16 | 广州安的电子科技有限公司 | Intelligent safety door and detection method thereof |
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