CN103164720A - Composite-type active tag remote networking system and networking method - Google Patents
Composite-type active tag remote networking system and networking method Download PDFInfo
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- CN103164720A CN103164720A CN201310059747XA CN201310059747A CN103164720A CN 103164720 A CN103164720 A CN 103164720A CN 201310059747X A CN201310059747X A CN 201310059747XA CN 201310059747 A CN201310059747 A CN 201310059747A CN 103164720 A CN103164720 A CN 103164720A
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Abstract
The invention relates to a composite-type active tag remote networking system and a networking method. The system comprises a main control computer and a main card reader, wherein the main card reader comprises at least one composite-type card reader, an ultra high frequency (UHF) transceiver and a 2.4G card reader are arranged in each composite-type card reader, the main card reader is communicated with the composite-type card readers through UHF communication links, each composite-type card reader comprises at least one composite-type tag, each composite-type tag is composed of a 2.4G active radio frequency tag and a UHF passive tag, and the composite-type card readers are communicated with the composite-type tags through 2.4G communication links. According to the composite-type active tag remote networking system and the networking method, network lifetime is long, the network is reliable, communication time is preferable compared with the network with ZigBee protocol adopted, in addition, the UHF and 2.4G radio frequency composite technology is fully utilized, the number of the card readers is increased, and an active tag remote network is formed, and the overall network has the advantages of being low in establishing cost, convenient to maintain, long in distance, high in reliability, and capable of achieving a wide range of coverage.
Description
Technical field
The present invention relates to a kind of composite active label remote networking system and network-building method, belong to electronic information technical field.
Background technology
Along with the continuous progress and development of society, the logistic storage industry is more and more flourishing, and along with the continuous increase of goods, the continuous renewal of kind makes its management is more and more bothered.In order to realize simple warehouse logistics efficiently, specially added the label that can prove " identity " for corresponding article, label commonly used has the information sensing equipment such as radio-frequency (RF) identification, infrared inductor, GPS, laser scanner.
And when strange label is put on record, need to adopt bar code scanner to scan registration to its one dimension or two-dimensional bar, perhaps adopt low-frequency range close distance radio frequency card to register warehouse-in, the reach of bar code scanner and radio-frequency card is limited, and need human assistance to scan warehouse-in, only could effectively read needed bar code information in short range, read and register in case just can't carry out reliable information after bar code or radio-frequency (RF) tag are blocked.Another active label of at present widespread use can overcome the above problems, but the active label life-span is shorter, and communication distance is limited in a border circular areas, and communication distance and read-write operation reliability are difficult to ensure.
Summary of the invention
, problem that can not networking limited for above-mentioned active label communication distance, the invention provides a kind of composite active label remote networking system and network-building method based on UHF and 2.4G communication link, utilize two-stage card reader and active label building network, can realize the network coverage on a large scale.
Composite active label remote networking provided by the invention system, comprise main control computer and main card reader, main control computer is connected with main card reader is two-way, send the Card Reader order and receive the label information that main card reader is read to main card reader, main card reader is divided at least one compound card reader, be provided with UHF transceiver and 2.4G card reader in compound card reader, main card reader is communicated by letter with compound card reader by the UHF communication link; Compound card reader is divided at least one compound label, and compound label is comprised of 2.4G active radio frequency label and UHF passive label, and compound card reader communicates by 2.4G communication link and compound label.
The present invention realizes the purpose of networking by the quantity that increases card reader, each card reader can be responsible for the read-write of 256 labels in theory, be n if increase card reader quantity, the quantity of read write tag will increase by 256 * n of position so at most, and the quantity of read write tag will increase greatly.If single label reading/writing distance is 100 meters, by after the mode that adopts networking, maximum distance will increase to 100 * n rice so, and as seen the mode by networking realizes that extensive radio frequency identification systems will obtain very large advantage.The present invention is combined into a new compound label with UHF passive label and 2.4G active radio frequency label, the effect of UHF passive label is when article go out to put in storage, goods to be carried out point-to-point short-range communication, to complete the radio-frequency (RF) identification to single goods, and the UHF passive label will quit work after goods goes out the warehouse-in registration, and this moment, the 2.4G active radio frequency label started.2.4G active radio frequency label is responsible for communication at a distance, to the goods that the identifies clearing etc. of making an inventory.Do not communicate between all radio-frequency (RF) tag and radio-frequency (RF) tag, the card reader of radio-frequency (RF) tag and minimum distance adopts the 2.4G communication link to carry out data transmission, modulation system adopts GFSK, and communication frequency can carry out frequency hopping communications at 2.40GHz to 2.49GHz, with near occupied frequency range avoiding.
Described compound label adopts the button cell intermittent power supply, namely only works the time of one millisecond p.s., and this mode can improve the life-span 1000 times.。
Above-mentioned composite active label remote networking system network-building method used comprises the steps:
1), main control computer sends the Card Reader order to main card reader, the main card reader backward main control computer that receives orders is replied confirmation.
2) main card reader is utilized uhf band broadcasting Card Reader information, and the compound card reader receiving broadcasting information in its communication range carries out Card Reader, simultaneously to the compound card reader broadcasting of other in main card reader communication range Card Reader information not; Compound card reader is utilized the UHF transceiver receiving broadcasting information in it, then the UHF transceiver sends to inner 2.4G card reader to carry out Card Reader this information, the UHF transceiver is converted to transmitter simultaneously, this broadcast message of Consecutive forwarding is to guarantee that all the other the compound card reader in main card reader communication distance scope are not all received broadcasting Card Reader information.
3) after, all compound card reader are all received Card Reader information, each compound card reader begin to search for its be responsible in communication range compound label and with the label ID information instant recording that searches out the 2.4G card reader in it, after the search of the label in its communication range is complete, all label ID information unifications in card reader are sent to the UHF transceiver, so far complete the label search mission of this compound card reader.
4), each compound card reader all sends to main card reader with the label ID information of storing in the UHF transceiver, the label ID information that is repeated by main card reader deletion also will remain label ID information and be transferred to main control computer, by main control computer judgement and demonstration.
Adopt frequency-hopping mode to communicate by letter between described compound label and compound card reader, compound card reader search label is 2.40GHz-2.49GHz with the frequency range of label communication, and specifically frequency multiplexed type card reader can be changed according to actual conditions.
Above-mentioned steps 4) the compound card reader in main card reader communication range directly sends label ID information to main card reader, and the compound card reader beyond scope is transmitted label ID information step by step by the mode of route.
Networking mode of the present invention is different from the Zigbee protocol of present widespread use, major advantage of the present invention is that the life span of network is longer, be in same powered battery situation, the network reliable communication time in the present invention is better than the network that adopts Zigbee protocol, and takes full advantage of UHF and 2.4G radio frequency complex technique, increases the card reader number, set up the active label telecommunication network, whole network sets up that expense is low, easy to maintenance, distance, and reliability is high, can realize covering on a large scale.
Description of drawings
Fig. 1 is system chart of the present invention;
Fig. 2 is the composition structural representation of compound card reader;
Fig. 3 is the composition structural representation of compound label;
In figure, 1, main card reader, 2, main control computer, 3, compound card reader, 4, compound label, 31, the UHF transceiver, 32, controller, 33, the 2.4G card reader, 34, battery, 41, the UHF passive label, 42, battery, 43, the 2.4G active radio frequency label.
Embodiment
As shown in Figure 1, a kind of composite active label remote networking system, comprise main control computer 2 and main card reader 1, main control computer 2 and main two-way connection of card reader 1, send the Card Reader order and receive the label information that main card reader 1 is read to main card reader 1, main card reader 1 is divided into n the distributed compound card reader 3 of secondary, the relation that compound card reader 3 is divided into m compound label 4(compound card reader quantity n and compound number of labels m satisfy n＜＜m).As shown in Figure 2, compound card reader 3 comprises UHF transceiver 31, controller 32,2.4G card reader 33 and high capacity cell 34, and main card reader 1 is carried out data transmission by UHF communication link and compound card reader 3.As shown in Figure 3, compound label 4 is comprised of 2.4G active radio frequency label 43 and UHF passive label 41,2.4G active radio frequency label 43 is by CR2032 button cell 42 intermittent power supplies, compound card reader 3 is carried out data transmission by 2.4G communication link and compound label 4.
Above-mentioned composite active label remote networking system network-building method used comprises the steps:
1), main control computer 2 sends the Card Reader order to main card reader 1, the main card reader 1 backward main control computer 2 that receives orders is replied confirmations.
2) main card reader 1 is utilized the uhf band Card Reader information of going on the air, broadcasting frequency of operation used is 433MHz, when having compound card reader in communication range, the UHF transceiver 31 of compound card reader 3 inside will receive this broadcast message, then UHF transceiver 31 sends to inner 2.4G card reader 33 to carry out Card Reader this information, UHF transceiver 31 is converted to transmitter simultaneously, this broadcast message of Consecutive forwarding is to guarantee that all the other the compound card reader 3 in main card reader 1 communication distance scope are not all received broadcasting Card Reader information.
3), after all compound card reader 3 are all received the Card Reader broadcast message of main card reader 1 transmission, just enter next recurrent state, be that each compound card reader 3 begins to search for it and is responsible for compound label 4 in communication range, the frequency of search label and label communication is in the 2.40GHz-2.49GHz scope, both carry out frequency hopping communications, and concrete frequency multiplexed type card reader can be changed according to actual conditions.When the 2.4G card reader 33 of compound card reader 3 inside is searched for label, often searching out a label just records the id information of this label, after search is less than new label, all label ID information unifications are sent to UHF transceiver 31, have just completed the label search mission this moment.
4), complete above task after, all compound card reader 3 should get the information of all labels in responsible communication distance scope, the label information of reading may repeat, each compound card reader 3 all sends to main card reader 1 with the label ID information of UHF transceiver 31 interior storages, by the label ID information that main card reader 1 deletion repeats, the label ID information that searches is stored in the RAM of main card reader.Main card reader 1 is transferred to main control computer 2 with it after handling all information, by main control computer 2 judgements and demonstration.
In this process, the compound card reader in main card reader communication range can directly communicate with main card reader, directly the label ID information of storing in it is sent to main card reader.Can utilize routing algorithm communication between compound card reader, therefore, the compound card reader in main card reader read-write scope can not transmitted the inner label id information step by step by the mode of route, until pass to main card reader.
Be more than a complete Card Reader cyclic process, after a circulation finished, all devices all entered park mode, in order to circulation beginning next time.
Claims (6)
1. composite active label remote networking system, comprise main control computer (2) and main card reader (1), main control computer (2) and two-way connection of main card reader (1), send the Card Reader order and receive the label information that main card reader (1) is read to main card reader (1), it is characterized in that: main card reader (1) is divided at least one compound card reader (3), be provided with UHF transceiver (31) and 2.4G card reader (33) in compound card reader (3), main card reader (1) is communicated by letter with compound card reader (3) by the UHF communication link; Compound card reader (3) is divided at least one compound label (4), compound label (4) is comprised of 2.4G active radio frequency label (43) and UHF passive label (41), and compound card reader (3) communicates by 2.4G communication link and compound label (4).
2. composite active label remote networking according to claim 1 system, it is characterized in that: described compound label (4) adopts the button cell intermittent power supply.
3. composite active label remote networking system as claimed in claim 1 network-building method used, is characterized in that comprising the steps:
1), main control computer sends the Card Reader order to main card reader, the main card reader backward main control computer that receives orders is replied confirmation;
2) main card reader is utilized uhf band broadcasting Card Reader information, and the compound card reader receiving broadcasting information in its communication range carries out Card Reader, simultaneously to the compound card reader broadcasting of other in main card reader communication range Card Reader information not;
3) after, all compound card reader are all received Card Reader information, each compound card reader begin to search for its be responsible in communication range compound label and with the label ID information instant recording that searches out the 2.4G card reader in it, after the search of the label in its communication range is complete, all label ID information unifications in card reader are sent to the UHF transceiver, so far complete the label search mission of this compound card reader;
4), each compound card reader all sends to main card reader with the label ID information of storing in the UHF transceiver, the label ID information that is repeated by main card reader deletion also will remain label ID information and be transferred to main control computer.
4. composite active label remote networking method according to claim 3 is characterized in that: adopt frequency-hopping mode to communicate by letter between described compound label and compound card reader.
5. according to claim 3 or 4 described composite active label remote networking methods is characterized in that: the frequency range of compound card reader search label and label communication is 2.40GHz-2.49GHz.
6. composite active label remote networking method according to claim 3, it is characterized in that: the compound card reader in step 4) in main card reader communication range directly sends label ID information to main card reader, and the compound card reader beyond scope is transmitted label ID information step by step by the mode of route.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310059747.XA CN103164720B (en) | 2013-02-26 | 2013-02-26 | A kind of composite active label remote networking system and network-building method |
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| CN201310059747.XA CN103164720B (en) | 2013-02-26 | 2013-02-26 | A kind of composite active label remote networking system and network-building method |
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| CN103164720A true CN103164720A (en) | 2013-06-19 |
| CN103164720B CN103164720B (en) | 2016-06-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109815759A (en) * | 2019-01-24 | 2019-05-28 | 电子科技大学 | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238621A1 (en) * | 2007-03-30 | 2008-10-02 | Broadcom Corporation | Multi-mode rfid reader architecture |
| CN101645141A (en) * | 2009-08-11 | 2010-02-10 | 合肥工大高科信息技术有限责任公司 | Mine integral double-frequency compound electronic tag, portable card reader and signal reading method thereof |
| CN101751579A (en) * | 2008-12-04 | 2010-06-23 | 上海孚恩电子科技有限公司 | One-card system applying high-frequency dual-protocol composite card |
| CN102402706A (en) * | 2010-09-09 | 2012-04-04 | 国民技术股份有限公司 | Dual radio-frequency identification tag and dual radio-frequency identification system |
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2013
- 2013-02-26 CN CN201310059747.XA patent/CN103164720B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238621A1 (en) * | 2007-03-30 | 2008-10-02 | Broadcom Corporation | Multi-mode rfid reader architecture |
| CN101751579A (en) * | 2008-12-04 | 2010-06-23 | 上海孚恩电子科技有限公司 | One-card system applying high-frequency dual-protocol composite card |
| CN101645141A (en) * | 2009-08-11 | 2010-02-10 | 合肥工大高科信息技术有限责任公司 | Mine integral double-frequency compound electronic tag, portable card reader and signal reading method thereof |
| CN102402706A (en) * | 2010-09-09 | 2012-04-04 | 国民技术股份有限公司 | Dual radio-frequency identification tag and dual radio-frequency identification system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109815759A (en) * | 2019-01-24 | 2019-05-28 | 电子科技大学 | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID |
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