CN109815759A - A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID - Google Patents
A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID Download PDFInfo
- Publication number
- CN109815759A CN109815759A CN201910068306.3A CN201910068306A CN109815759A CN 109815759 A CN109815759 A CN 109815759A CN 201910068306 A CN201910068306 A CN 201910068306A CN 109815759 A CN109815759 A CN 109815759A
- Authority
- CN
- China
- Prior art keywords
- helper
- ultrahigh frequency
- base station
- frequency rfid
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID, group network system include a ultrahigh frequency RFID base station, multiple Helper and multiple electronic tags；The ultrahigh frequency RFID base station arbitrarily selects a progress networking to establish connection in multiple Helper, connection takes inventory order by the label that ultrahigh frequency RFID base station is sent after establishing and is transmitted to the electronic tag communicated with Helper by Helper, and electronic tag returns to label information to the base station RFID after receiving order.The present invention is additionally that label improves RF energy apart from the closer Helper of label by introducing, and has broken the distance limitation of forward link, has breached the identification of conventional ultra high frequency RFID system apart from not far problem.Meanwhile because the back scattering of label is to realize that the path loss of entire link decreases compared to conventional RFID systems for base station, therefore also reduces the requirement to base station receiving sensitivity using the transmitting carrier wave of Helper.
Description
Technical field
The invention belongs to technical field of RFID, in particular to a kind of telecommunication networking based on ultrahigh frequency RFID
System and network-building method.
Background technique
Currently, radio frequency identification (Radio Frequency Identification, RFID) technology is industry in recent years
The hot spot of boundary's concern.It is compared with magnetic card, IC card, radio-frequency card biggest advantage is that non-contact.RFID technique is a kind of automatic
Identification technology does not need manual intervention, is operable with various adverse circumstances, can recognize high-speed moving object and can identify simultaneously
Multiple labels, it is swift and convenient to operate.RFID system is generally made of reader and label, and mode obtains reader by wireless communication
Label information is obtained, to identify the object for carrying the label.The RFID reader of UHF 860-960MHz frequency range have read away from
From the features such as remote, card reading speed is fast, and it can identify multiple labels and be used widely.The UHF RFID association of international mainstream at present
Standard of assessing a bid for tender is ISO 18000-6B and ISO 18000-6C (EPC G2).
Currently, relatively common UHF RFID system is made of reader and label two parts.Wherein, reader is whole
Most important equipment in a UHF RFID system, it by the read write command of upper layer software (applications) send to baseband signal processing circuit and
Radio circuit, then electronic tag is sent to by antenna.The embedded chip of electronic tag by demodulating to signal, sentence by permission
It is disconnected, related data are returned into reader by label antenna, after waiting readers to receive electronic tag answer signal, then will be counted
According to demodulating and send upper layer software (applications) to after being pocessed.Therefore, for traditional UHF RFID system, reader sensitivity is very big
The tag recognition distance of UHF RFID system is limited in degree.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of by introducing additionally closer apart from label
Helper be that label improves RF energy, the linearity and self-interference noise bring for alleviating base station receiver connect
The quick telecommunication group network system based on ultrahigh frequency RFID and the network-building method based on the group network system drop in receipts machine.
The purpose of the present invention is achieved through the following technical solutions: a kind of telecommunication based on ultrahigh frequency RFID
Group network system, including a ultrahigh frequency RFID base station, multiple Helper and multiple electronic tags；The ultrahigh frequency RFID base station
A progress networking is arbitrarily selected to establish connection, the mark that connection is sent after establishing by ultrahigh frequency RFID base station in multiple Helper
Label take inventory order and are transmitted to the electronic tag communicated with Helper by Helper, electronic tag after receiving order to
The base station RFID returns to label information.
Further, the ultrahigh frequency RFID base station includes 915M band antenna, PGA gain amplification module, R2000 mould
Block, 915M detection module, host computer, the main control module based on Si1064 chip, single-pole double-throw switch (SPDT), RF switch, power are put
Big device and 433M band antenna and power module；Power module is connected with remaining module in ultrahigh frequency RFID base station respectively, is each
A module for power supply；
915M band antenna connects R2000 module and 915M detection module, R2000 module by PGA gain amplification module
It is connected by USB interface with host computer, host computer connects main control module；915M detection module respectively with single-pole double-throw switch (SPDT) and master
Control module is connected, and main control module is connected with single-pole double-throw switch (SPDT) and RF switch respectively, single-pole double-throw switch (SPDT) and RF switch
It is connected, RF switch connects 433M band antenna by power amplifier.
Further, the Helper include multiple 915M band antennas, duplexer, power amplifier, RF switch,
Main control module, single-pole double-throw switch (SPDT), 433MHz detection module, 433M band antenna and power module based on Si1064 chip；
Power supply is connected with remaining module in Helper respectively, powers for modules；
433M band antenna is connected with single-pole double-throw switch (SPDT) and main control module respectively after passing through 433MHz detection module, hilted broadsword
Commutator and main control module are connected with RF switch respectively, and main controller is separately connected single-pole double-throw switch (SPDT) and duplexer；
RF switch connects duplexer by power amplifier, and duplexer is connected with multiple 915M band antennas respectively.
The present invention also provides a kind of telecommunication network-building method based on ultrahigh frequency RFID, the network-building method are taken
The mode of time-division, comprising the following steps:
Networking request is initiated in S1, operation ultrahigh frequency RFID base station, starts waiting to receive after sending out networking request command
ACK returns to original state and prompts mistake if the waiting time is more than preset time threshold；
S2, Helper receive the networking commands that ultrahigh frequency RFID base station is sent, the networking that ultrahigh frequency RFID base station is sent
Helper ID in request command is compared with itself Helper ID, is determined if matching and is established networking and return to ACK, is sent out
Ultrahigh frequency RFID base station is waited to send confirmation message after the completion of sending；
After S3, ultrahigh frequency RFID base station receive the ACK information that Helper is sent, transmission confirmation message confirmation has been received by described
The ACK that Helper is sent, after Helper receives confirmation message, networking is completed.
Further, the ultrahigh frequency RFID base station transceiver separation, transmitting use 433MHz radio communication circuit, and reception is adopted
With 915MHz radio communication circuit.The Helper transmitting-receiving separation, transmitting use 915MHz radio communication circuit, receive and use
433MHz radio communication circuit.
Further, the time threshold of the ACK to be received such as described ultrahigh frequency RFID base station is 18ms.
Further, the networking request command, ACK and confirmation message are 29 binary systems.
Further, the networking request command includes 12 binary system Helper ID, 4 binary system antenna ID, 4
Binary frequency option code, 4 binary power option codes and 5 binary system cyclic redundancy checks.
The beneficial effects of the present invention are: the present invention is additionally that label improves apart from the closer Helper of label by introducing
RF energy, has broken the distance limitation of forward link, and the identification for breaching conventional ultra high frequency RFID system is asked apart from not far
Topic.Meanwhile because the back scattering of label is realized using the transmitting carrier wave of Helper, the road of entire link for base station
Diameter loss decreases compared to conventional RFID systems, therefore also reduces the requirement to base station receiving sensitivity.In addition, base station
Receiving and dispatching isolated structure reduces the intensity (carrier wave of Helper transmitting is decayed in free space) of base station self-interference, alleviates
Linearity and self-interference noise bring the receiver drop of base station receiver are quick.In addition, a base station of the invention can
With multiple Helper networkings, further expansion tag recognition range.
Detailed description of the invention
Fig. 1 is the system construction drawing of the telecommunication group network system of the invention based on ultrahigh frequency RFID；
Fig. 2 is that the present invention is based on the structures of the ultrahigh frequency RFID base station of the telecommunication group network system of ultrahigh frequency RFID
Figure；
Fig. 3 is that the present invention is based on the Helper structure charts of the telecommunication group network system of ultrahigh frequency RFID；
Fig. 4 is the flow chart of the telecommunication network-building method of the invention based on ultrahigh frequency RFID.
Specific embodiment
Technical solution of the present invention is further illustrated with reference to the accompanying drawing.
As shown in Figure 1, a kind of telecommunication group network system based on ultrahigh frequency RFID, including a ultrahigh frequency RFID base
It stands, multiple Helper and multiple electronic tags；The ultrahigh frequency RFID base station arbitrarily selected in multiple Helper one into
Connection is established in row networking, connection establish after by the label that ultrahigh frequency RFID base station is sent take inventory order by Helper be transmitted to
The electronic tag that Helper is communicated, electronic tag (Tag) return to label information to the base station RFID after receiving order.
As shown in Fig. 2, the ultrahigh frequency RFID base station includes 915M band antenna, PGA gain amplification module, R2000 mould
Block, 915M detection module, host computer, the main control module based on Si1064 chip, single-pole double-throw switch (SPDT), RF switch, power are put
Big device and 433M band antenna and power module；Power module is connected with remaining module in ultrahigh frequency RFID base station respectively, is each
A module for power supply；
915M band antenna connects R2000 module and 915M detection module, R2000 module by PGA gain amplification module
It is connected by USB interface with host computer, host computer connects main control module by UART serial ports；915M detection module respectively with hilted broadsword
Commutator is connected with main control module, and main control module is connected with single-pole double-throw switch (SPDT) and RF switch respectively, and single-pole double throw is opened
Pass is connected with RF switch, and RF switch connects 433M band antenna by power amplifier (PA).
The control level signal control single-pole double throw that Si1064 power-up state exports a 3.3V first when base station operation is opened
433MHz carrier wave is closed and sent, allows single-pole double-throw switch (SPDT) to get to and is sent with this side ports of Si1064 modulation intelligence 1, Si1064
Modulation intelligence relevant to HelperID, modulation intelligence 1 (networking commands) pass through single-pole double-throw switch (SPDT), control RF switch modulation
Carrier wave realizes OOK modulation, so that the networking commands such as Helper ID information be sent by 433M band antenna.Assuming that working as
Helper has received about oneself identity id information, can be pulled up a horse by 915M band antenna and return to the ACK a being waken up letter
Breath, base station at this time can by receiving antenna by this signal by 915MHz detection module demodulate come Helper
The Si1064 that ACK information gives base station portion is decoded, and after base station receives ACK, Si1064 passes through this side of modulation intelligence 1
Port sends the modulation intelligence that confirmation has been received by ACK, and then Si1064 passes through the end of control signal control single-pole double-throw switch (SPDT) again
Switch is got to that side of modulation intelligence 2 that R2000 is sent by mouth, can send R2000 order this when.
Specifically control which Helper module carries out networking in base station simultaneously, specific implementation process can be on host computer
It is communicated by serial ports with Si1064, base station Si1064 specifically receives the instruction for controlling which Helper, base station
Si1064, which just goes to send, wakes up corresponding Helper, after the completion of this group of network process, can carry out R2000 module command information
It sends.
As shown in figure 3, the Helper includes that multiple 915M band antennas, duplexer, power amplifier, radio frequency are opened
Pass, the main control module based on Si1064 chip, single-pole double-throw switch (SPDT), 433MHz detection module, 433M band antenna and power supply mould
Block；Power supply is connected with remaining module in Helper respectively, powers for modules；
433M band antenna is connected with single-pole double-throw switch (SPDT) and main control module respectively after passing through 433MHz detection module, hilted broadsword
Commutator and main control module are connected with RF switch respectively, and main controller is separately connected single-pole double-throw switch (SPDT) and duplexer；
RF switch connects duplexer by power amplifier, and duplexer is connected with multiple 915M band antennas respectively.
Each Helper at most can connect 12 915M band antennas.When Helper works, Si1064 is in power-up state
The control signal control single-pole double-throw switch (SPDT) that default exports a 3.3V level gets to this side ports of Si1064 modulation intelligence 1,
When Helper has received the networking commands about oneself ID, the Si1064 of Helper module begins to send 915MHz carrier wave, it
Afterwards, first No. 12 antennas of fixed gating of Helper, the ACK modulation intelligence that oneself has successfully been waken up, by single-pole double-throw switch (SPDT),
915MHz carrier wave is modulated in a manner of OOK modulation RF switch again, returns to base station by No. 12 915M band antennas,
After ACK is sent completely, what the base station to be received such as Helper was sent acknowledges receipt of information, after receiving confirmation message, because of demodulation
Networking commands in include also Helper antenna ID, can control the selection of Helper duplexer, Helper is according to decoding
The Helper antenna ID come controls corresponding port and gates corresponding transmitting antenna, and Si1064 exports the control of a 3.3V level
Signal control single-pole double-throw switch (SPDT) gets to detection module input port, the i.e. port of 2 side of modulation intelligence, waits R2000 to be received
Command information relays to electronic tag.
The present invention also provides a kind of telecommunication network-building method based on ultrahigh frequency RFID, the network-building method are taken
The mode of time-division, detailed process are as shown in Figure 4, comprising the following steps:
Networking request is initiated in S1, operation ultrahigh frequency RFID base station, starts waiting to receive after sending out networking request command
ACK returns to original state and prompts mistake if the waiting time is more than preset time threshold；
S2, Helper receive the networking commands that ultrahigh frequency RFID base station is sent, the networking that ultrahigh frequency RFID base station is sent
Helper ID in request command is compared with itself Helper ID, is determined if matching and is established networking and return to ACK, is sent out
Ultrahigh frequency RFID base station is waited to send confirmation message after the completion of sending；
After S3, ultrahigh frequency RFID base station receive the ACK information that Helper is sent, transmission confirmation message confirmation has been received by described
The ACK that Helper is sent, after Helper receives confirmation message, networking is completed.After networking success, Helper can forward hyperfrequency
The label that the base station RFID is sent takes inventory order electron label.
Further, the ultrahigh frequency RFID base station transceiver separation, transmitting use 433MHz radio communication circuit, and reception is adopted
With 915MHz radio communication circuit.The Helper transmitting-receiving separation, transmitting use 915MHz radio communication circuit, receive and use
433MHz radio communication circuit.
Further, the time threshold of the ACK to be received such as described ultrahigh frequency RFID base station is 18ms.
Further, the networking request command, ACK and confirmation message are 29 binary systems.
Further, the networking request command includes 12 binary system Helper ID, 4 binary system antenna ID, 4
Binary frequency option code, 4 binary power option codes and 5 binary system cyclic redundancy checks.
Those of ordinary skill in the art will understand that the embodiments described herein, which is to help reader, understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such specific embodiments and embodiments.This field
Those of ordinary skill disclosed the technical disclosures can make according to the present invention and various not depart from the other each of essence of the invention
The specific variations and combinations of kind, these variations and combinations are still within the scope of the present invention.
Claims (9)
1. a kind of telecommunication group network system based on ultrahigh frequency RFID, which is characterized in that including a ultrahigh frequency RFID base
It stands, multiple Helper and multiple electronic tags；The ultrahigh frequency RFID base station arbitrarily selected in multiple Helper one into
Connection is established in row networking, connection establish after by the label that ultrahigh frequency RFID base station is sent take inventory order by Helper be transmitted to
The electronic tag that Helper is communicated, electronic tag return to label information to the base station RFID after receiving order.
2. a kind of telecommunication group network system based on ultrahigh frequency RFID according to claim 1, which is characterized in that institute
State ultrahigh frequency RFID base station include 915M band antenna, it is PGA gain amplification module, R2000 module, 915M detection module, upper
Machine, the main control module based on Si1064 chip, single-pole double-throw switch (SPDT), RF switch, power amplifier and 433M band antenna and
Power module；Power module is connected with remaining module in ultrahigh frequency RFID base station respectively, powers for modules；
915M band antenna connects R2000 module by PGA gain amplification module and 915M detection module, R2000 module pass through
USB interface is connected with host computer, and host computer connects main control module；915M detection module respectively with single-pole double-throw switch (SPDT) and master control mould
Block is connected, and main control module is connected with single-pole double-throw switch (SPDT) and RF switch respectively, and single-pole double-throw switch (SPDT) is connected with RF switch,
RF switch connects 433M band antenna by power amplifier.
3. the telecommunication group network system according to claim 1 based on ultrahigh frequency RFID, which is characterized in that described
Helper includes multiple 915M band antennas, duplexer, power amplifier, RF switch, the master control based on Si1064 chip
Module, single-pole double-throw switch (SPDT), 433MHz detection module, 433M band antenna and power module；
Power supply is connected with remaining module in Helper respectively, powers for modules；
433M band antenna is connected with single-pole double-throw switch (SPDT) and main control module respectively after passing through 433MHz detection module, single-pole double throw
Switch and main control module are connected with RF switch respectively, and main controller is separately connected single-pole double-throw switch (SPDT) and duplexer；Radio frequency
Switch connects duplexer by power amplifier, and duplexer is connected with multiple 915M band antennas respectively.
4. a kind of telecommunication network-building method based on ultrahigh frequency RFID, which is characterized in that the network-building method takes the time-division
Mode, comprising the following steps:
Networking request is initiated in S1, operation ultrahigh frequency RFID base station, starts waiting to receive ACK after sending out networking request command, if
Waiting time is more than preset time threshold, then returns to original state and prompt mistake；
S2, Helper receive the networking commands that ultrahigh frequency RFID base station is sent, and the networking that ultrahigh frequency RFID base station is sent is requested
Helper ID in order is compared with itself Helper ID, is determined if matching and is established networking and return to ACK, has sent
Confirmation message is sent at rear waiting ultrahigh frequency RFID base station；
After S3, ultrahigh frequency RFID base station receive the ACK information that Helper is sent, transmission confirmation message confirmation has been received by described
The ACK that Helper is sent, after Helper receives confirmation message, networking is completed.
5. the telecommunication network-building method according to claim 4 based on ultrahigh frequency RFID, which is characterized in that described super
The separation of high-frequency RF ID base station transceiver, transmitting use 433MHz radio communication circuit, receive and use 915MHz radio communication circuit.
6. the telecommunication network-building method according to claim 4 based on ultrahigh frequency RFID, which is characterized in that described
Helper transmitting-receiving separation, transmitting use 915MHz radio communication circuit, receive and use 433MHz radio communication circuit.
7. the telecommunication network-building method according to claim 4 based on ultrahigh frequency RFID, which is characterized in that described super
The time threshold of the ACK to be received such as the base station high-frequency RF ID is 18ms.
8. the telecommunication network-building method according to claim 4 based on ultrahigh frequency RFID, which is characterized in that described group
Net request command, ACK and confirmation message are 29 binary systems.
9. the telecommunication network-building method according to claim 4 based on ultrahigh frequency RFID, which is characterized in that described group
Net request command include 12 binary system Helper ID, 4 binary system antenna ID, 4 binary frequency option codes, 4 two into
Power selection code processed and 5 binary system cyclic redundancy checks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068306.3A CN109815759A (en) | 2019-01-24 | 2019-01-24 | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910068306.3A CN109815759A (en) | 2019-01-24 | 2019-01-24 | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109815759A true CN109815759A (en) | 2019-05-28 |
Family
ID=66604925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910068306.3A Pending CN109815759A (en) | 2019-01-24 | 2019-01-24 | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109815759A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112200277A (en) * | 2020-09-24 | 2021-01-08 | 祥安消防科技有限公司 | Fire-fighting inspection method and system based on Internet of things |
| CN113099513A (en) * | 2021-03-29 | 2021-07-09 | 努比亚技术有限公司 | Base station selection method, electronic terminal and computer readable storage medium |
| CN114342478A (en) * | 2019-09-06 | 2022-04-12 | 埃塔无线公司 | Power management control over transmission lines of millimeter wave chip sets for cellular radios |
| WO2022160288A1 (en) * | 2021-01-29 | 2022-08-04 | 华为技术有限公司 | Wireless communication method and apparatus |
| CN115481708A (en) * | 2022-10-31 | 2022-12-16 | 电子科技大学 | Enhanced RFID system and Doherty PA-based energy self-sustaining relay method |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030112126A1 (en) * | 1999-01-29 | 2003-06-19 | Kubler Joseph Jay | Radio frequency identification systems and methods for waking up data storage devices for wireless communication |
| US20050248454A1 (en) * | 2004-05-06 | 2005-11-10 | Hanson Gregory R | Marine asset security and tracking (MAST) system |
| CN201218962Y (en) * | 2008-05-12 | 2009-04-08 | 公安部第三研究所 | RFID label safety lock based on infrared technology |
| CN102014397A (en) * | 2010-09-08 | 2011-04-13 | 邵旭昂 | Radio frequency identification method and radio frequency identification system |
| CN201903893U (en) * | 2010-12-28 | 2011-07-20 | 电子科技大学 | Ultra-high frequency RFID reading and writing device |
| US20120286939A1 (en) * | 2011-05-10 | 2012-11-15 | Omni-Id Limited | Visual RFID Tags and Interactive Visual RFID Networks |
| CN103164720A (en) * | 2013-02-26 | 2013-06-19 | 尹晓虎 | Composite-type active tag remote networking system and networking method |
| CN103218645A (en) * | 2013-05-08 | 2013-07-24 | 岳流锋 | Reader-writer suitable for ad-hoc network and ad-hoc networking method |
| CN203167016U (en) * | 2013-01-30 | 2013-08-28 | 电子科技大学 | Ultrahigh-frequency RFID mobile communication terminal |
| CN103297157A (en) * | 2013-05-08 | 2013-09-11 | 岳流锋 | Antenna detecting method for multi-antenna ultrahigh-frequency radiofrequencyidentification reader-writer |
| CN105592423A (en) * | 2016-03-04 | 2016-05-18 | 广州万物信息科技有限公司 | Vehicular antitheft tracking system |
| CN105827761A (en) * | 2016-05-25 | 2016-08-03 | 江苏本能科技有限公司 | Cellphone based ultra-high radio frequency identification apparatus, radio frequency identification control method and apparatus |
| US20170265065A1 (en) * | 2013-05-01 | 2017-09-14 | MBTE Holdings Sweden AB | Concepts for outbound call control on a mobile device |
| CN207558004U (en) * | 2017-12-25 | 2018-06-29 | 电子科技大学 | GB/T29768-2013 national standard ultra-high frequency RFID labels |
| CN109190427A (en) * | 2012-08-31 | 2019-01-11 | 手持产品公司 | The method that wireless scanner is matched by RFID |
-
2019
- 2019-01-24 CN CN201910068306.3A patent/CN109815759A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030112126A1 (en) * | 1999-01-29 | 2003-06-19 | Kubler Joseph Jay | Radio frequency identification systems and methods for waking up data storage devices for wireless communication |
| US20050248454A1 (en) * | 2004-05-06 | 2005-11-10 | Hanson Gregory R | Marine asset security and tracking (MAST) system |
| CN201218962Y (en) * | 2008-05-12 | 2009-04-08 | 公安部第三研究所 | RFID label safety lock based on infrared technology |
| CN102014397A (en) * | 2010-09-08 | 2011-04-13 | 邵旭昂 | Radio frequency identification method and radio frequency identification system |
| CN201903893U (en) * | 2010-12-28 | 2011-07-20 | 电子科技大学 | Ultra-high frequency RFID reading and writing device |
| US20120286939A1 (en) * | 2011-05-10 | 2012-11-15 | Omni-Id Limited | Visual RFID Tags and Interactive Visual RFID Networks |
| CN109190427A (en) * | 2012-08-31 | 2019-01-11 | 手持产品公司 | The method that wireless scanner is matched by RFID |
| CN203167016U (en) * | 2013-01-30 | 2013-08-28 | 电子科技大学 | Ultrahigh-frequency RFID mobile communication terminal |
| CN103164720A (en) * | 2013-02-26 | 2013-06-19 | 尹晓虎 | Composite-type active tag remote networking system and networking method |
| US20170265065A1 (en) * | 2013-05-01 | 2017-09-14 | MBTE Holdings Sweden AB | Concepts for outbound call control on a mobile device |
| CN103297157A (en) * | 2013-05-08 | 2013-09-11 | 岳流锋 | Antenna detecting method for multi-antenna ultrahigh-frequency radiofrequencyidentification reader-writer |
| CN103218645A (en) * | 2013-05-08 | 2013-07-24 | 岳流锋 | Reader-writer suitable for ad-hoc network and ad-hoc networking method |
| CN105592423A (en) * | 2016-03-04 | 2016-05-18 | 广州万物信息科技有限公司 | Vehicular antitheft tracking system |
| CN105827761A (en) * | 2016-05-25 | 2016-08-03 | 江苏本能科技有限公司 | Cellphone based ultra-high radio frequency identification apparatus, radio frequency identification control method and apparatus |
| CN207558004U (en) * | 2017-12-25 | 2018-06-29 | 电子科技大学 | GB/T29768-2013 national standard ultra-high frequency RFID labels |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114342478A (en) * | 2019-09-06 | 2022-04-12 | 埃塔无线公司 | Power management control over transmission lines of millimeter wave chip sets for cellular radios |
| CN112200277A (en) * | 2020-09-24 | 2021-01-08 | 祥安消防科技有限公司 | Fire-fighting inspection method and system based on Internet of things |
| WO2022160288A1 (en) * | 2021-01-29 | 2022-08-04 | 华为技术有限公司 | Wireless communication method and apparatus |
| CN113099513A (en) * | 2021-03-29 | 2021-07-09 | 努比亚技术有限公司 | Base station selection method, electronic terminal and computer readable storage medium |
| CN113099513B (en) * | 2021-03-29 | 2023-12-08 | 深圳市中兴移动软件有限公司 | Base station selection method, electronic terminal and computer readable storage medium |
| CN115481708A (en) * | 2022-10-31 | 2022-12-16 | 电子科技大学 | Enhanced RFID system and Doherty PA-based energy self-sustaining relay method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109815759A (en) | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID | |
| CN101354739B (en) | Method for controlling radio frequency SIM card communication distance in virtue of label recognition and communication system thereof | |
| CN103093170B (en) | A kind of electronic tag knows method for distinguishing and device fast | |
| US7893834B2 (en) | Power control method for mobile RFID reader and RFID reader using the same | |
| CN100428264C (en) | Portable radio frequency recognizing read-write machine | |
| US20050156039A1 (en) | Radio frequency identification reader | |
| CN102609738A (en) | RFID (radio frequency identification device) multi-antenna reader-writer | |
| CN102426658B (en) | Dual-protocol supporting contact-less communication smart card | |
| US7079008B2 (en) | Proximity transaction control method | |
| CN101303745A (en) | Double-interface SIM card and radio frequency recognition system thereof | |
| CN102768725B (en) | A kind of radio-frequency unit and communication means | |
| CN103500348A (en) | Enhanced RFID (radio frequency identification) communication method | |
| CN104732254B (en) | Radio-frequency identification reader/writer | |
| CN105447545A (en) | General identity identification device and application thereof | |
| CN102682250A (en) | Battery auxiliary radio frequency identification device (RFID) label chip signal reflecting method | |
| CN103942513A (en) | Mobile reader | |
| CN101261686B (en) | Ultrahigh RF identification reader/writer and its signal receiving/transmission method | |
| CN215954326U (en) | 16-channel module circuit of ultrahigh frequency RFID reader-writer | |
| CN102256018B (en) | Mobile phone with integrated RFID (Radio Frequency Identification) function and communication method thereof | |
| CN202694378U (en) | Fish identifying reader-writer | |
| KR101205790B1 (en) | Object-sensible rfid reader | |
| CN201540583U (en) | RFID smart antenna | |
| CN106203595A (en) | The mutual ultra-high frequency RFID label chip of far and near distance and method thereof can be realized | |
| CN105184355A (en) | Passive UHF RFID dual-antenna tag based on tag set | |
| CN205647629U (en) | Hyperfrequency radio -frequency identification reader based on cell -phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190528 |
|
| RJ01 | Rejection of invention patent application after publication |