CN112087740A - Data transmission method of electronic price tag system and electronic price tag system - Google Patents
Data transmission method of electronic price tag system and electronic price tag system Download PDFInfo
- Publication number
- CN112087740A CN112087740A CN202010984883.XA CN202010984883A CN112087740A CN 112087740 A CN112087740 A CN 112087740A CN 202010984883 A CN202010984883 A CN 202010984883A CN 112087740 A CN112087740 A CN 112087740A
- Authority
- CN
- China
- Prior art keywords
- frequency point
- electronic price
- price tag
- data packet
- transmitted
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000004913 activation Effects 0.000 claims description 55
- 238000012795 verification Methods 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B1/1036—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal with automatic suppression of narrow band noise or interference, e.g. by using tuneable notch filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
- H04B2001/1045—Adjacent-channel interference
-
- 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
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a data transmission method of an electronic price tag system and the electronic price tag system. Firstly, the base station can group all the transmission frequency points and send the grouping condition to the transmitting terminals and the electronic price tags, the frequency points in the transmitting frequency point group distributed by each transmitting terminal are different, and the transmitting frequency points distributed by the corresponding electronic price tags are also different. In the data transmission process, the transmitting terminals and the electronic price tags transmit and receive data according to the frequency points distributed by the base station.
Description
Technical Field
The invention relates to the technical field of wireless data transmission, in particular to a data transmission method of an electronic price tag system and the electronic price tag system.
Background
With the rise of novel retail in China, electronic price tables with various varieties and uneven quality stand out, become the first choice price tags of a plurality of retail stores in the current market, and generally a plurality of transmitting terminals and a plurality of electronic price tags are arranged in an electronic price tag system. In an electronic price tag system on the existing market, data transmission is carried out between a transmitting terminal and an electronic price tag in a radio frequency wireless mode, and the transmission mode has the following problems:
1. when long data packets are transmitted by concurrent radio frequency, mutual interference phenomenon occurs when the same frequency point transmits, and data packet loss and dislocation phenomenon often occur, so that the data updating rhythm is slow, data is easy to block, and data is disordered.
2. A plurality of transmitting terminals adopt fixed frequency points for transmitting, the whole functions of 168 transmitting frequency points are not completely utilized, and the interference caused by the environment is large.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a data transmission method of an electronic price tag system, and provides the following technical scheme:
a data transmission method of an electronic price tag system comprises the following steps:
s1: the base station groups all the transmission frequency points and sends the grouping conditions of the transmission frequency points to the transmitting terminal, wherein the frequency points in each frequency point group are different from each other, the frequency point groups comprise an activation frequency point group, a receiving frequency point group and a sending frequency point group, and the transmitting terminal forwards the grouping conditions of the transmission frequency points to the electronic price tag after receiving the grouping conditions of the transmission frequency points;
s2: the base station sends the data packet to be transmitted to a transmitting terminal;
s3: the method comprises the steps that a transmitting terminal receives a data packet to be transmitted, transmits an activation instruction to an electronic price tag by using frequency points in an activation frequency point group, and simultaneously switches to the strongest frequency point in a receiving frequency point group, wherein the activation instruction comprises an activation code and transmitting frequency point information of the data packet to be transmitted;
s4: the electronic price tag receives an activation instruction by using the frequency points in the activation frequency point group, and activates the electronic price tag according to the activation instruction;
s5: the electronic price tag sends activation success feedback information to a transmitting end by using frequency points in a receiving frequency point group, and then switches to a sending frequency point of a data packet to be transmitted specified in the activation instruction to wait for receiving the data packet to be transmitted;
s6: the transmitting terminal is switched to the transmitting frequency point of the data packet to be transmitted and sends the data packet to be transmitted to the electronic price tag, and after the data packet to be transmitted is sent, the transmitting terminal is switched to the strongest frequency point in the receiving frequency point group to wait for receiving the feedback information of the electronic price tag;
s7: the electronic price tag receives the data packet to be transmitted by using the sending frequency point of the data packet to be transmitted, which is specified in the activation instruction;
s8: after the electronic price tag successfully receives the data packet to be transmitted, the frequency point feedback data packet in the receiving frequency point group is used for sending a success instruction to the transmitting terminal;
s9: and the transmitting terminal receives the successful sending instruction by using the frequency points in the receiving frequency point group and sends the successful sending instruction to the base station.
Further, in step S1, the grouping, by the base station, of all transmission frequency points includes the following steps:
s11: a base station acquires the number N of transmitting terminals, wherein N is a positive integer;
s12: the base station divides all the transmission frequency points into N +2 frequency point groups, each frequency point group is at least distributed with one transmission frequency point, and the transmission frequency points distributed by each frequency point group are different;
s13: a base station designates one frequency point group as a receiving frequency point group, one frequency point group as an activating frequency point group, and the other frequency point groups as sending frequency point groups, and the sending frequency point groups are distributed to N transmitting terminals;
each transmitting terminal is at least allocated with a group of transmitting frequency point groups, and the frequency points in the transmitting frequency point groups allocated by each transmitting terminal are different.
Further, in step S4, an electronic price tag activation step is further included, where the electronic price tag activation step includes:
s41: the electronic price tag wakes up the main control chip after receiving the activation instruction and enters a pre-activation state;
s42: and the main control chip of the electronic price tag analyzes whether the received activation code is valid, if so, the step S5 is executed, and if not, the electronic price tag waits for 2 seconds and then enters the state to be activated again.
Further, in step S7, a verification step a for the data packet to be transmitted is further included, where the verification step a includes the following steps:
a1: after the electronic price tag finishes receiving the data packet to be transmitted, verifying the data packet to be transmitted, and if the data packet to be transmitted conforms to the verification standard agreed by a transmitting end, executing step S8;
if the data packet to be transmitted does not conform to the check standard agreed by the transmitting terminal, the electronic price tag feeds back a transmission failure instruction to the transmitting terminal, wherein the transmission failure instruction comprises a designated strong signal transmission frequency point for next data transmission; after receiving a sending failure instruction, the transmitting terminal switches to a sending frequency point specified in the failure instruction to send the data packet to be transmitted to the electronic price tag again;
a2: when the electronic price tag continuously feeds back a failure instruction for 3 times, the electronic price tag terminates data transmission;
a3: and the transmitting end feeds back the transmission failure information to the base station.
Further, the total number of the transmission frequency points is 168, each frequency point group is allocated with 4 transmission frequency points, and the total number of the frequency point groups is 42, including 1 receiving frequency point group, 1 activating frequency point group, and 40 transmitting frequency point groups.
Further, after the execution of step S8 is finished, when the electronic price tag is continuously idle for 5 seconds, a step B of entering a low power consumption mode is executed, where the step B of entering the low power consumption mode includes the following steps:
b1: detecting an external environment, and switching a receiving frequency point of a transmitting end into a strongest signal frequency point in a receiving frequency point group;
b2: and the electronic price tag is switched to an activation code receiving mode, and the electronic price tag main control chip is controlled to enter a low power consumption mode.
Further, in step S3, the manner of sending the activation instruction to the electronic price tag by the transmitting end is as follows: the transmitting end respectively transmits by using 4 frequency points in the activated frequency point group and continuously transmits for 2 seconds.
On the other hand, the electronic price tag system for realizing the data transmission method of the electronic price tag system comprises a cloud server, a base station, a transmitting terminal and an electronic price tag, wherein the cloud server is connected with the base station through wireless communication, the base station is connected with the transmitting terminal through a data line, and the transmitting terminal is connected with the electronic price tag through radio frequency communication.
Further, the number of the transmitting terminals is 4 times of the number of the base stations.
Compared with the prior art, the technical scheme of the invention can effectively solve the technical problems of packet loss or transmission error and the like caused by mutual interference of signals when different transmitting terminals in the same base station simultaneously transmit data, and effectively improves the stability and accuracy of data transmission; 168 sending frequency points are fully utilized, and the data transmission efficiency is improved.
Drawings
FIG. 1 is a flow chart of a data transmission method of the present invention;
fig. 2 is a schematic diagram of an electronic price tag system according to the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention, the following describes a preferred embodiment of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, an electronic price tag system includes a cloud server, base stations, transmitting terminals, and electronic price tags, where the cloud server establishes communication connection with a plurality of base stations through the internet, one base station is connected with 4 transmitting terminals through data lines, one transmitting terminal is connected with a plurality of electronic price tags through radio frequency communication, and the electronic price tags and the main control chips of the transmitting terminals are all provided with 168 transmitting frequency points.
A data transmission method of the electronic price tag system comprises the following steps:
s1: the base station groups 168 transmitting frequency points in advance, and the specific grouping steps are as follows:
in the first step, the base station divides 168 frequency points into 42 groups, each group has 4 frequency points, assuming that 168 frequency points are respectively represented by numbers 0-167, the grouping situation is as shown in the following table:
| group 1 | 2 groups of | Group 3 | … | 38 groups of | 39 groups of | 40 groups of | 41 groups of | 42 groups of |
| 0 | 1 | 2 | … | 37 | 38 | 39 | 40 | 41 |
| 42 | 43 | 44 | … | 79 | 80 | 81 | 82 | 83 |
| 84 | 85 | 86 | … | 121 | 122 | 123 | 124 | 125 |
| 126 | 127 | 128 | … | 163 | 164 | 165 | 166 | 167 |
Secondly, the base station designates one of the groups as an activated frequency point group, one group as a receiving frequency point group, and the other frequency point groups as sending frequency point groups, and distributes the sending frequency point groups to 4 transmitting terminals on average as sending frequency points used when the transmitting terminals send data, and the distribution conditions are as shown in the following table:
| unit cell | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Transmitting terminal 1 | Group 1 | 5 groups of | 9 groups of | 13 groups of | 17 group of | 21 groups of | 25 groups of | 29 groups of | 33 groups of | 37 groups of |
| Transmitting terminal 2 | 2 groups of | 6 groups of | 10 groups of | 14 groups of | 18 groups of | 22 groups of | 26 groups of | 30 groups of | 34 group of | 38 groups of |
| Transmitting terminal 3 | Group 3 | 7 groups of | 11 groups of | 15 groups of | 19 groups of | 23 groups of | 27 groups of | 31 groups of | 35 groups of | 39 groups of |
| Transmitting terminal 4 | 4 groups of | 8 groups of | 12 groups of | 16 groups of | 20 groups of | 24 groups of | 28 groups of | 32 groups of | 36 groups of | 40 groups of |
And thirdly, the base station sends the frequency point grouping condition to each transmitting terminal connected with the base station, and the transmitting terminals send the frequency point grouping condition to each electronic price tag connected with the transmitting terminals after receiving the frequency point grouping condition.
When data is required to be sent, each transmitting terminal is sent by the unit 1 for the first time, and is transmitted by the unit 2 next time, then to the unit 3, the unit 4 and the unit 5 until the unit 10, and then returns to the unit 1 again to continue sending, so that the frequency point information of data sent each time is different, and signal interference of data transmission of the same frequency point can be prevented.
It should be noted that, after the initialization of the transmitting end is completed, the transmitting end is switched to the receiving frequency point to enter a receiving state, the frequency point in the receiving state is the frequency point in the receiving frequency point group designated by the base station, the transmitting end detects the external environment again every 10 seconds, and finds out the strongest signal frequency point in the four frequency points in the frequency point group as a new receiving frequency point. Thus, the frequency point communication is ensured to be the best frequency point in the current environment. And after the electronic price tag is successfully initialized, switching to an activated frequency point to enter an activated waiting state, wherein the frequency point is a frequency point in an activated frequency point group designated by a base station, detecting the environment when entering the to-be-activated state, and switching to a strongest signal frequency point in four frequency points in the activated frequency point group to enter the waiting state.
S2: the cloud server sends the data packet to be transmitted to the base station, and the base station sends the data packet to be transmitted to the transmitting terminal; the data packet to be transmitted comprises an electronic price tag number for receiving the data packet and transmitting end information corresponding to the electronic price tag number. The cloud server prestores the numbers of all electronic price tags in the electronic price tag system and the information of the transmitting terminals corresponding to the electronic price tags, and the number of each electronic price tag is unique.
S3: the corresponding transmitting terminal receives the data packet to be transmitted and sends an activation instruction to the corresponding electronic price tag by using the frequency points in the activation frequency point group, and the mode of sending the activation instruction is as follows: and the transmitting terminal respectively transmits the activation instruction by using 4 frequency points in the activation frequency points and continuously transmits the activation instruction for 2 seconds.
And simultaneously, the transmitting terminal is switched to the strongest frequency point in the receiving frequency point group, wherein the activation instruction comprises the activation code and the sending frequency point information of the data packet to be transmitted.
S4: and the electronic price tag receives an activation instruction by using the frequency points in the activation frequency point group, and activates the electronic price tag according to the activation instruction. The specific activation steps are as follows:
step one, the electronic price tag wakes up the main control chip after receiving an activation instruction and enters a pre-activation state;
and secondly, the main control chip of the electronic price tag analyzes whether the received activation code is valid, if so, the step S5 is executed, and if not, the electronic price tag waits for 2 seconds and then enters the state to be activated again.
S5: and the electronic price tag sends activation success feedback information to the transmitting terminal by using the frequency points in the receiving frequency point group, and then switches to the transmitting frequency point of the data packet to be transmitted specified in the activation instruction to wait for receiving the data packet to be transmitted.
S6: and after the data packet to be transmitted is sent, the transmitting terminal is switched to the strongest frequency point in the receiving frequency point group to wait for receiving the feedback information of the electronic price tag.
S7: and the electronic price tag receives the data packet to be transmitted by using the sending frequency point of the data packet to be transmitted, which is specified in the activation instruction.
S8: and after the electronic price tag successfully receives the data packet to be transmitted, feeding back the data packet by using the frequency points in the receiving frequency point group and sending a success instruction to the transmitting terminal.
S9: and the transmitting terminal receives and sends the successful sending instruction by using the frequency points in the receiving frequency point group and sends the successful sending instruction to the base station.
In another embodiment, in the implementation process of the method, when step S7 is executed, the method further includes a step of verifying the data packet to be transmitted, and the specific steps are as follows:
step one, after the electronic price tag finishes receiving the data packet to be transmitted, verifying the data packet to be transmitted, and if the data packet to be transmitted meets the verification standard agreed by a transmitting end, executing step S8; if the data packet to be transmitted does not conform to the check standard agreed by the transmitting terminal, the electronic price tag feeds back a transmission failure instruction to the transmitting terminal, and the transmission failure instruction comprises a designated strong signal transmission frequency point for next data transmission; and after receiving the sending failure instruction, the transmitting end switches to the designated sending frequency point in the failure instruction and sends the data packet to be transmitted to the electronic price tag again.
And secondly, when the electronic price tag continuously feeds back a failure instruction for 3 times, the electronic price tag terminates data transmission.
And thirdly, the transmitting end feeds the sending failure information back to the base station.
In another implementation, in the implementation process of the method, after the execution of step S8 is finished, when the electronic price tag is continuously idle for 5 seconds, the electronic price tag system automatically enters the low power consumption mode, and the specific steps are as follows:
1. and detecting the external environment, and switching the receiving frequency point of the transmitting end into the strongest signal receiving frequency point in the receiving frequency point group.
2. And the electronic price tag is switched to an activation code receiving mode, and the electronic price tag main control chip is controlled to enter a low power consumption mode.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (9)
1. A data transmission method of an electronic price tag system is characterized by comprising the following steps:
s1: the base station groups all the transmission frequency points and sends the grouping conditions of the transmission frequency points to the transmitting terminal, wherein the frequency points in each frequency point group are different from each other, the frequency point groups comprise an activation frequency point group, a receiving frequency point group and a sending frequency point group, and the transmitting terminal forwards the grouping conditions of the transmission frequency points to the electronic price tag after receiving the grouping conditions of the transmission frequency points;
s2: the base station sends the data packet to be transmitted to a transmitting terminal;
s3: the method comprises the steps that a transmitting terminal receives a data packet to be transmitted, transmits an activation instruction to an electronic price tag by using frequency points in an activation frequency point group, and simultaneously switches to the strongest frequency point in a receiving frequency point group, wherein the activation instruction comprises an activation code and transmitting frequency point information of the data packet to be transmitted;
s4: the electronic price tag receives an activation instruction by using the frequency points in the activation frequency point group, and activates the electronic price tag according to the activation instruction;
s5: the electronic price tag sends activation success feedback information to a transmitting end by using frequency points in a receiving frequency point group, and then switches to a sending frequency point of a data packet to be transmitted specified in the activation instruction to wait for receiving the data packet to be transmitted;
s6: the transmitting terminal is switched to the transmitting frequency point of the data packet to be transmitted and sends the data packet to be transmitted to the electronic price tag, and after the data packet to be transmitted is sent, the transmitting terminal is switched to the strongest frequency point in the receiving frequency point group;
s7: the electronic price tag receives the data packet to be transmitted by using the sending frequency point of the data packet to be transmitted, which is specified in the activation instruction;
s8: after the electronic price tag successfully receives the data packet to be transmitted, the frequency point feedback data packet in the receiving frequency point group is used for sending a success instruction to the transmitting terminal;
s9: and the transmitting terminal receives the successful sending instruction by using the frequency points in the receiving frequency point group and sends the successful sending instruction to the base station.
2. The data transmission method according to claim 1, wherein in step S1, the step of grouping all the transmission frequency points by the base station includes the following steps:
s11: the base station acquires the number N of transmitting terminals;
s12: the base station divides all the transmission frequency points into N +2 frequency point groups, each frequency point group is at least distributed with one transmission frequency point, and the transmission frequency points distributed by each frequency point group are different;
s13: a base station designates one frequency point group as a receiving frequency point group, one frequency point group as an activating frequency point group, and the other frequency point groups as sending frequency point groups, and the sending frequency point groups are distributed to N transmitting terminals;
each transmitting terminal is at least allocated with a group of transmitting frequency point groups, and the frequency points in the transmitting frequency point groups allocated by each transmitting terminal are different.
3. The data transmission method of claim 2, further comprising an activation step of an electronic price tag in step S4, the activation step of the electronic price tag comprising:
s41: the electronic price tag wakes up the main control chip after receiving the activation instruction and enters a pre-activation state;
s42: and the main control chip of the electronic price tag analyzes whether the received activation code is valid, if so, the step S5 is executed, and if not, the electronic price tag waits for 2 seconds and then enters the state to be activated again.
4. The data transmission method according to claim 3, wherein in step S7, the method further comprises a verification step a of the data packet to be transmitted, and the verification step a comprises the following steps:
a1: after the electronic price tag finishes receiving the data packet to be transmitted, verifying the data packet to be transmitted, and if the data packet to be transmitted conforms to the verification standard agreed by a transmitting end, executing step S8;
if the data packet to be transmitted does not conform to the check standard agreed by the transmitting terminal, the electronic price tag feeds back a transmission failure instruction to the transmitting terminal, wherein the transmission failure instruction comprises a designated strong signal transmission frequency point for next data transmission; after receiving a sending failure instruction, the transmitting terminal switches to a sending frequency point specified in the failure instruction to send the data packet to be transmitted to the electronic price tag again;
a2: when the electronic price tag continuously feeds back a failure instruction for 3 times, the electronic price tag terminates data transmission;
a3: and the transmitting end feeds back the transmission failure information to the base station.
5. The data transmission method according to claim 4, wherein the total number of the transmission frequency points is 168, each frequency point group is allocated with 4 transmission frequency points, and the total number of the frequency point groups is 42, and includes 1 receiving frequency point group, 1 activating frequency point group and 40 transmitting frequency point groups.
6. The data transmission method according to claim 5, wherein after the execution of step S8 is finished, when the electronic price tag is continuously idle for 5 seconds, a step B of entering the low power consumption mode is executed, and the step B of entering the low power consumption mode comprises the following steps:
b1: detecting an external environment, and switching a receiving frequency point of a transmitting end into a strongest signal frequency point in a receiving frequency point group;
b2: and the electronic price tag is switched to an activation code receiving mode, and the electronic price tag main control chip is controlled to enter a low power consumption mode.
7. The data transmission method according to claim 6, wherein in step S3, the transmitting end sends the activation command to the electronic price tag by: the transmitting end respectively transmits by using 4 frequency points in the activated frequency point group and continuously transmits for 2 seconds.
8. An electronic price tag system for realizing the data transmission method of the electronic price tag system according to any one of claims 1-7, comprising a cloud server, a base station, a transmitting terminal and an electronic price tag, wherein the cloud server is connected with the base station through wireless communication, the base station is connected with the transmitting terminal through a data line, and the transmitting terminal is connected with the electronic price tag through radio frequency communication.
9. The electronic price tag system of claim 8, wherein the number of transmitting ends is 4 times the number of base stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984883.XA CN112087740B (en) | 2020-09-18 | 2020-09-18 | Data transmission method of electronic price tag system and electronic price tag system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984883.XA CN112087740B (en) | 2020-09-18 | 2020-09-18 | Data transmission method of electronic price tag system and electronic price tag system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112087740A true CN112087740A (en) | 2020-12-15 |
| CN112087740B CN112087740B (en) | 2022-11-15 |
Family
ID=73737560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010984883.XA Active CN112087740B (en) | 2020-09-18 | 2020-09-18 | Data transmission method of electronic price tag system and electronic price tag system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112087740B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112465091A (en) * | 2020-12-16 | 2021-03-09 | 努比亚技术有限公司 | Electronic price tag unbinding method, electronic price tag and computer readable storage medium |
| CN112867063A (en) * | 2020-12-31 | 2021-05-28 | 努比亚技术有限公司 | Data transmission method, data receiving method, base station and electronic price tag |
| CN113573374A (en) * | 2021-07-20 | 2021-10-29 | 努比亚技术有限公司 | A price tag gateway channel switching method, device and computer-readable storage medium |
| CN115460666A (en) * | 2022-09-20 | 2022-12-09 | 厦门贝尔斯特科技有限公司 | Electronic price tag system with cloud server as center |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5722048A (en) * | 1994-12-02 | 1998-02-24 | Ncr Corporation | Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling and method of using the same |
| WO2007145836A2 (en) * | 2006-05-31 | 2007-12-21 | Jaalaa, Inc. | Media access control and signaling protocol for low power, large-scale wireless networks |
| JP3170566U (en) * | 2011-07-08 | 2011-09-22 | 瓷微科技股▲分▼有限公司 | Electronic tag time-sharing control system |
| US20130343326A1 (en) * | 2011-03-10 | 2013-12-26 | Marisense Oy | Transferring of information in electronic price label systems |
| CN110012439A (en) * | 2019-04-16 | 2019-07-12 | 重庆物奇科技有限公司 | Synchronous method for electronics price tag |
| CN111582412A (en) * | 2020-04-29 | 2020-08-25 | 上海保资智能科技有限公司 | A two-way communication ESL electronic price tag communication system and method |
-
2020
- 2020-09-18 CN CN202010984883.XA patent/CN112087740B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5722048A (en) * | 1994-12-02 | 1998-02-24 | Ncr Corporation | Apparatus for improving the signal to noise ratio in wireless communication systems through message pooling and method of using the same |
| WO2007145836A2 (en) * | 2006-05-31 | 2007-12-21 | Jaalaa, Inc. | Media access control and signaling protocol for low power, large-scale wireless networks |
| US20130343326A1 (en) * | 2011-03-10 | 2013-12-26 | Marisense Oy | Transferring of information in electronic price label systems |
| JP3170566U (en) * | 2011-07-08 | 2011-09-22 | 瓷微科技股▲分▼有限公司 | Electronic tag time-sharing control system |
| CN110012439A (en) * | 2019-04-16 | 2019-07-12 | 重庆物奇科技有限公司 | Synchronous method for electronics price tag |
| CN111582412A (en) * | 2020-04-29 | 2020-08-25 | 上海保资智能科技有限公司 | A two-way communication ESL electronic price tag communication system and method |
Non-Patent Citations (1)
| Title |
|---|
| 潘兵: "LoRa在电子价签系统中的应用与实现", 《电讯技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112465091A (en) * | 2020-12-16 | 2021-03-09 | 努比亚技术有限公司 | Electronic price tag unbinding method, electronic price tag and computer readable storage medium |
| CN112465091B (en) * | 2020-12-16 | 2024-03-19 | 努比亚技术有限公司 | Electronic price tag unbinding method, electronic price tag and computer readable storage medium |
| CN112867063A (en) * | 2020-12-31 | 2021-05-28 | 努比亚技术有限公司 | Data transmission method, data receiving method, base station and electronic price tag |
| CN113573374A (en) * | 2021-07-20 | 2021-10-29 | 努比亚技术有限公司 | A price tag gateway channel switching method, device and computer-readable storage medium |
| CN115460666A (en) * | 2022-09-20 | 2022-12-09 | 厦门贝尔斯特科技有限公司 | Electronic price tag system with cloud server as center |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112087740B (en) | 2022-11-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112087740B (en) | Data transmission method of electronic price tag system and electronic price tag system | |
| CN101626581B (en) | Method, device and system for scanning equipment in electrically adjustable antenna interface | |
| CN101383720B (en) | Software updating method of controlled network element, controlled network element and operation maintaining center | |
| US9253593B2 (en) | Method, device and system for transmitting wireless data | |
| EP3675571B1 (en) | Apparatuses for reducing access overhead from paged device in machine to machine communication system | |
| CA2051212C (en) | Packet data communication system | |
| CN102196591A (en) | Mobile terminal and data parallel transmission method thereof | |
| CN106793091A (en) | Base station, user equipment and data transmission method | |
| CN101150841A (en) | Method and device for establishing connection between mobile terminal and base station in multi-hop relay network | |
| CN103227700A (en) | SDMA communications with non-immediate block acknowledgment | |
| CN104467910A (en) | Wireless communication device and control method thereof | |
| CN104869621A (en) | Method and device for network awareness | |
| CN105307282B (en) | A kind of method and device preventing multiple users access interference | |
| CN101938383B (en) | On-line monitoring method and system of user account with multiple services as well as monitoring service system | |
| ATE457615T1 (en) | TRANSMISSION OF BROADCAST INFORMATION TO A MOBILE STATION IN A RADIO COMMUNICATIONS SYSTEM | |
| US20250015862A1 (en) | Beam capability reporting method and apparatus, device, and storage medium | |
| CN101730191B (en) | Resource allocation method, terminal and communication system | |
| CN102883344B (en) | Method and device for exchanging of wireless network management messages | |
| US9479926B2 (en) | Method and system for obtaining IMEI of mobile station and base station controller | |
| CN111417112A (en) | Distributed OTA gateway networking and terminal access method and OTA upgrading system | |
| CN1980464A (en) | Wireless resource distribution method and apparatus | |
| CN115510883A (en) | Timing adjustment method, storage medium, reader/writer, electronic label and system | |
| CN204906435U (en) | Message pushing system | |
| CN116346169B (en) | A station communication private network system based on power line carrier and interaction method | |
| CN207782778U (en) | Data sending device, data transmitting equipment and communication system |
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 | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 518000 4th floor, no.10-5, Minsheng 1st Road, Baoyuan community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen saishida Technology Co.,Ltd. Address before: 518000 e1306, A2 District, Xinghe Zhihui, No. 6698, Longgang Avenue (Henggang section), Baoan community, Yuanshan street, Longgang District, Shenzhen City, Guangdong Province Applicant before: Shenzhen saixiu Information Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |