CN112272395A - Electronic price sign-on network backoff method, equipment and computer readable storage medium - Google Patents
Electronic price sign-on network backoff method, equipment and computer readable storage medium Download PDFInfo
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- CN112272395A CN112272395A CN202011339835.1A CN202011339835A CN112272395A CN 112272395 A CN112272395 A CN 112272395A CN 202011339835 A CN202011339835 A CN 202011339835A CN 112272395 A CN112272395 A CN 112272395A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- 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
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Abstract
The invention discloses an electronic price sign-on network backoff method, equipment and a computer readable storage medium, wherein the method comprises the following steps: if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again; if the network access request is determined to be refused to access the network, selecting other base stations in an optional base station list, and initiating the network access request to data gateways of the other base stations; and finally, before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request. The more humanized scheme for retreating the electronic price tag to the network is realized, the service life of the electronic price tag battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
Description
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a method, device, and computer-readable storage medium for electronic price check-in backoff.
Background
In the prior art, with the continuous development of the intelligent terminal technology, an Electronic price Label (ESL) for replacing a traditional paper price Label has become a trend. The price tag has become a standard in new retail industry, and is used by large business machines such as Kamameshi, Yonghui supermarket, Sunning easy-to-purchase and the like. The use of the electronic price tags improves the working efficiency of stores, releases the hands of employees, and can save a great deal of manpower and time cost for merchants after long-term use.
However, a battery is installed when some electronic price tags are shipped, and since there is no corresponding physical power-on switch for waterproofing and the like, actions such as searching for a network and accessing a network are performed when the electronic price tags are shipped, the battery is already lost, and further, if the electronic price tags are not used for a long time or placed in a warehouse, the electric quantity of the battery cannot be guaranteed when the electronic price tags are finally delivered to customers. Therefore, a solution to increase the service life of the electronic price tag battery and reduce the cost of replacing the battery is needed to solve the above technical problems.
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention provides an electronic price sign-on network backoff method, which comprises the following steps:
controlling the electronic price tag to start network access scanning according to a preset first time interval, and if the electronic price tag is scanned to a data gateway in an idle state, initiating a network access request to the data gateway;
if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again;
if the network access request is determined to be refused to access the network, selecting other base stations in an optional base station list, and initiating the network access request to data gateways of the other base stations;
and before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request.
Optionally, the controlling the electronic price tag to start network access scanning according to a preset first time interval, and if a data gateway in an idle state is scanned, initiating a network access request to the data gateway, including:
presetting a first interval time for controlling the network access scanning to be started twice before and after the electronic price tag is powered on;
and starting the network access scanning after the electronic price tag is powered on, and restarting the network access scanning after sleeping according to a third time interval if no access base station is found after the first time interval.
Optionally, the controlling the electronic price tag to start network access scanning according to a preset first time interval, and if a data gateway in an idle state is scanned, initiating a network access request to the data gateway, further includes:
determining the accumulated starting times of the network access scanning;
and gradually increasing the time interval of the network access scanning before and after the starting according to the accumulated starting times.
Optionally, the controlling the electronic price tag to start network access scanning according to a preset first time interval, and if a data gateway in an idle state is scanned, initiating a network access request to the data gateway, further includes:
establishing the selectable base station list according to the scanned data gateway in the idle state;
and sequencing all the base stations in the selectable base station list according to the signal intensity, and initiating the network access request to all the base stations in sequence according to the signal intensity from strong to weak.
Optionally, if it is determined that the network access request is a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again, where the method includes:
presetting a second time interval corresponding to the request no response;
and when the network access requests which are sequentially sent to the base stations by the electronic price tags are all the requests without responses, controlling the electronic price tags to scan the data gateways of the base stations again after waiting for the second time interval.
Optionally, if it is determined that the network access request is refused to access the network, selecting another base station from an optional base station list, and initiating the network access request to a data gateway of the other base station, including:
presetting threshold time of the two previous and next network access scans;
before initiating the network access request to the data gateway of the other base station, if the interval time of the previous and the next network access scanning exceeds the threshold time, restarting the network access scanning, and determining the updated optional base station list.
Optionally, before the network access request is responded and successfully accessed to the network, sequentially increasing a third time interval between the previous and the next network access scans and/or the network access request according to the accumulated times of the network access scans and/or the network access requests, including:
determining the corresponding relation between the accumulated times and the third time interval;
and before the network access request is responded and successfully accessed to the network, acquiring the accumulated times of the network access scanning and/or the network access request, and determining a third time interval for executing the next network access scanning or the network access request according to the accumulated times and the corresponding relation.
Optionally, before the network access request is responded and successfully accessed to the network, sequentially increasing a third time interval between the previous and the next network access scans and/or the network access request according to the accumulated number of times of the network access scans and/or the network access requests, further comprising:
determining an upper time limit for the third time interval;
and when the third time interval is increased to the time upper limit, determining the time intervals of subsequent previous and subsequent network access scanning and/or network access requests according to the time upper limit.
The invention also provides an electronic price sign-on backoff device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the computer program realizes the steps of the electronic price sign-on backoff method as described in any one of the above items when being executed by the processor.
The invention further provides a computer-readable storage medium, which stores an electronic price sign-on backoff program, and when the electronic price sign-on backoff program is executed by a processor, the steps of the electronic price sign-on backoff method described in any of the above are implemented.
By implementing the electronic price sign-on network backoff method, the equipment and the computer readable storage medium, network access scanning is started by controlling the electronic price sign according to a preset first time interval, and if a data gateway in an idle state is scanned, a network access request is initiated to the data gateway; then, if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again; if the network access request is determined to be refused to access the network, selecting other base stations in an optional base station list, and initiating the network access request to data gateways of the other base stations; and finally, before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request. The more humanized scheme for retreating the electronic price tag to the network is realized, the service life of the electronic price tag battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic diagram of a hardware structure of a mobile terminal according to the present invention;
fig. 2 is a communication network system architecture diagram provided by an embodiment of the present invention;
fig. 3 is a flowchart of a first embodiment of an electronic price sign-on backoff method of the present invention;
fig. 4 is a flowchart of a second embodiment of the electronic price sign-on backoff method of the present invention;
fig. 5 is a flowchart of a third embodiment of the electronic price sign-on backoff method of the present invention;
fig. 6 is a flowchart of a fourth embodiment of the electronic price sign-on backoff method of the present invention;
fig. 7 is a flowchart of a fifth embodiment of the electronic price sign-on backoff method of the present invention;
fig. 8 is a flowchart of a sixth embodiment of the electronic price sign-on backoff method of the present invention;
fig. 9 is a flowchart of a seventh embodiment of the electronic price sign-on backoff method of the present invention;
fig. 10 is a flowchart of an eighth embodiment of the electronic price sign-on backoff method of the present invention;
FIG. 11 is an interaction diagram of an electronic price tag system of the electronic price tag network entry backoff method of the present invention;
fig. 12 is a flow chart of the network entry scanning of the electronic price check-in backoff method of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the construction according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 107 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 1071, the user input unit 107 may include other input devices 1072. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 108 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 109 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
The processor 110 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. Among them, the eNodeB2021 may be connected with other eNodeB2022 through backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
The IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem), or other IP services, among others.
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the above mobile terminal hardware structure and communication network system, the present invention provides various embodiments of the method.
Example one
Fig. 3 is a flowchart of a first embodiment of an electronic price sign-on backoff method according to the present invention. An electronic price sign-on network backoff method, comprising:
s1, controlling the electronic price tag to start network access scanning according to a preset first time interval, and if the electronic price tag is scanned to a data gateway in an idle state, initiating a network access request to the data gateway;
s2, if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again;
s3, if the network access request is determined to be refused, selecting other base stations in the selectable base station list, and initiating the network access request to the data gateways of the other base stations;
and S4, before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request.
In this embodiment, first, the electronic price tag is controlled to start network access scanning according to a preset first time interval, and if a data gateway in an idle state is scanned, a network access request is initiated to the data gateway; then, if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again; if the network access request is determined to be refused to access the network, selecting other base stations in an optional base station list, and initiating the network access request to data gateways of the other base stations; and finally, before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request.
Optionally, in this embodiment, the electronic price tag may be applied to the electronic price tag system shown in fig. 11, in which server interaction and price tag interaction are respectively involved, where in the server interaction process, the server is responsible for commodity information encoding and sending, price tag management and issuing, and other communication management, and in the price tag interaction process, data interaction with price tag management and issuing through gateway master control or management and control of the gateway master control over a broadcast network and a data network is involved, where the broadcast gateway is configured to transmit network entry information to the price tag module, and the data gateway is configured to provide price data transmission after network entry to the price tag module.
Optionally, in order to increase the service life of the electronic price tag battery and reduce the cost of replacing the battery, in this embodiment, a backoff strategy for network entry of the electronic price tag system is provided. Specifically, after the electronic price tag leaves a factory, a surrounding usable base station can be found through channel scanning, and when multiple attempts are unsuccessful or no usable base station exists around, a certain backoff strategy is adopted for scanning frequency. In the first case, if the base station is scanned, the following strategy is executed: performing a network access process every 3 minutes to check whether network access is available; in the second case, if no surrounding base station is found after channel scanning, the following strategy is implemented: and after sleeping for 10 minutes, starting the network access process, changing the network access failure to sleep for 20 minutes, changing the network access failure to sleep for 30 minutes, changing the network access failure to sleep for 90 minutes, and waking up every 90 minutes to execute the network access process. It is understood that the sleep time of the plurality of intervals and the number of intervals may be determined according to actual application requirements and application environments.
The method has the advantages that the electronic price tag is controlled to start network access scanning according to a preset first time interval, and if the data gateway in an idle state is scanned, a network access request is initiated to the data gateway; then, if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again; if the network access request is determined to be refused to access the network, selecting other base stations in an optional base station list, and initiating the network access request to data gateways of the other base stations; and finally, before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request. The more humanized scheme for retreating the electronic price tag to the network is realized, the service life of the electronic price tag battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
Example two
Fig. 4 is a flowchart of a second embodiment of the electronic price tag network entry backoff method according to the present invention, where based on the above embodiments, the controlling the electronic price tag to start network entry scanning according to a preset first time interval, and if the electronic price tag is scanned to a data gateway in an idle state, initiating a network entry request to the data gateway includes:
s11, presetting a first interval time for controlling the network access scanning to be started before and after the electronic price tag is powered on;
and S12, starting the network access scanning after the electronic price tag is powered on, and if no access base station is found after the first interval time, starting the network access scanning again after sleeping according to a third time interval.
In this embodiment, first, a first interval time for controlling the network access scanning to be started before and after the electronic price tag is powered on is preset; and then, after the electronic price tag is powered on, starting the network access scanning, and if no access base station is found after the first interval time, sleeping according to a third time interval, and then starting the network access scanning again.
Optionally, in this embodiment, after the base station is powered on, the base station may broadcast continuously, and meanwhile, there are information such as the number of data gateways, busy/idle states of each data gateway, and used frequency in the broadcast packet;
optionally, in this embodiment, after the price tag is powered on, all channels available in 2.4G are sequentially searched, each channel may listen for a certain time, for example, the listening time may be 2ms, and the specific time may be adjusted according to an actual scene, optionally, the electronic price tag may listen to 2 to 3 broadcast packets, so as to establish an optional base station list according to the monitored broadcast waves;
optionally, in this embodiment, after the electronic price tag is powered on, the network access scanning is started, and if no access base station is found after the first interval time or the number of found access base stations is insufficient, the network access scanning is started again after sleeping according to a third interval time.
The method has the advantages that after the electronic price tag is powered on, the first interval time for starting the network access scanning before and after two times is controlled; and then, after the electronic price tag is powered on, starting the network access scanning, and if no access base station is found after the first interval time, sleeping according to a third time interval, and then starting the network access scanning again. The technical scheme of interval network access scanning is provided for realizing a more humanized electronic price sign network access backoff scheme, the service life of an electronic price sign battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
EXAMPLE III
Fig. 5 is a flowchart of a third embodiment of the electronic price tag network entry backoff method according to the present invention, where based on the above embodiments, the method controls the electronic price tag to start network entry scanning according to a preset first time interval, and initiates a network entry request to a data gateway if the data gateway in an idle state is scanned, further including:
s13, determining the accumulated starting times of the network access scanning;
and S14, gradually increasing the time interval of the network access scanning before and after the starting according to the accumulated starting times.
In this embodiment, first, the cumulative number of times of starting the network access scanning is determined; and then, the time interval of the network access scanning before and after the starting is gradually increased according to the accumulated starting times.
Optionally, in this embodiment, when the access base station is not found by the network access scanning, the network access procedure of the network access scanning is started after sleeping for 10 minutes, when the access base station is not found by the network access scanning again, the network access procedure is changed to sleep for 20 minutes, when the access base station is not found by the network access scanning again, the network access procedure is changed to sleep for 30 minutes, when the access base station is not found by the network access scanning again, the network access procedure is changed to sleep for 90 minutes, and then the network access scanning is executed by waking up every 90 minutes, and the sleep time is not increased any more. It is understood that the sleep time of the plurality of intervals and the number of intervals may be determined according to actual application requirements and application environments.
The method has the advantages that the accumulated starting times of the network access scanning are determined; and then, the time interval of the network access scanning before and after the starting is gradually increased according to the accumulated starting times. The sleep time control scheme of interval network access scanning is provided for realizing a more humanized electronic price sign network access backoff scheme, the service life of an electronic price sign battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
Example four
Fig. 6 is a flowchart of a fourth embodiment of the electronic price tag network entry backoff method according to the present invention, where based on the above embodiments, the method controls the electronic price tag to start network entry scanning at a preset first time interval, and initiates a network entry request to a data gateway if the data gateway in an idle state is scanned, and the method further includes:
s15, establishing the optional base station list according to the scanned data gateway in the idle state;
s16, sequencing the base stations in the selectable base station list according to the signal intensity, and initiating the network access request to the base stations in sequence according to the signal intensity from strong to weak.
In this embodiment, first, the selectable base station list is established according to the scanned data gateway in the idle state; then, sequencing all base stations according to the signal intensity in the selectable base station list, and initiating the network access request to all the base stations in sequence according to the signal intensity from strong to weak.
Optionally, in this embodiment, the electronic price tag discovers surrounding available or accessible base stations through full channel scanning, sorts the optional base stations according to the RSSI signal strength, and tries to access the network in sequence.
The embodiment has the advantages that the selectable base station list is established through the scanned data gateway in the idle state; then, sequencing all base stations according to the signal intensity in the selectable base station list, and initiating the network access request to all the base stations in sequence according to the signal intensity from strong to weak. The network access request sending control scheme is provided for realizing a more humanized electronic price sign network access backoff scheme, the service life of an electronic price sign battery is prolonged, the battery replacement cost is reduced, and the production efficiency is improved.
EXAMPLE five
Fig. 7 is a flowchart of a fifth embodiment of the electronic price tag network entry backoff method according to the present invention, where based on the above embodiments, if it is determined that the network entry request is a request without response, the method controls the electronic price tag to scan the data gateway at a preset second time interval, and re-initiates the network entry request to the data gateway, including:
s21, presetting a second time interval corresponding to the request no response;
and S22, when the network access requests initiated by the electronic price tags to the base stations in sequence are all the requests without responses, controlling the electronic price tags to scan the data gateways of the base stations again after waiting the second time interval.
In this embodiment, first, a second time interval corresponding to the request no-response is preset; and then, when the network access requests initiated by the electronic price tags to the base stations in sequence are all the requests without responses, controlling the electronic price tags to scan the data gateways of the base stations again after waiting for the second time interval.
Optionally, in this embodiment, when the electronic price signs in the network, the broadcast channel of the selected base station is monitored, and when the base station is found to have a data gateway in an idle state, the data gateway is selected to initiate a network access request, and when the request fails, it is necessary to distinguish whether the request is no response or a request for rejecting network access is received from a base station.
The embodiment has the advantages that a second time interval corresponding to the request non-response is preset; and then, when the network access requests initiated by the electronic price tags to the base stations in sequence are all the requests without responses, controlling the electronic price tags to scan the data gateways of the base stations again after waiting for the second time interval. The differentiated processing scheme is provided when the network access request fails for realizing a more humanized electronic price sign network access backoff scheme, the service life of the electronic price sign battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
EXAMPLE six
Fig. 8 is a flowchart of a sixth embodiment of the electronic price sign-on backoff method according to the present invention, where based on the above embodiments, if it is determined that the network access request is refused, another base station is selected from the selectable base station list, and the network access request is initiated to a data gateway of the other base station, including:
s31, presetting threshold time of the two previous and next network access scans;
and S32, before initiating the network access request to the data gateway of the other base station, if the interval time of the previous and the next network access scanning exceeds the threshold time, restarting the network access scanning, and determining the updated optional base station list.
In this embodiment, first, threshold times of the previous and subsequent network access scanning are preset; and then, before initiating the network access request to the data gateway of the other base station, if the interval time of the previous and the next network access scanning exceeds the threshold time, restarting the network access scanning, and determining the updated optional base station list.
Optionally, in this embodiment, referring to the network access scanning flowchart shown in fig. 12, as described in the above example, when the electronic price signs in the network, the broadcast channel of the selected base station is monitored, and when the base station has a data gateway in an idle state, the data gateway is selected to initiate a network access request, and when the request fails, it is necessary to distinguish whether the request is no response or a request for rejecting network access is received from the base station;
optionally, in this embodiment, as described in the above example, when the former requests no response, the electronic price tag randomly selects, or monitors the channel again after sleeping for a preset time, and tries to access the network again;
optionally, in this embodiment, as described in the above example, when the latter receives a request from the base station to reject network entry, the electronic price tag selects the second best base station in the selectable base station list to attempt network entry;
optionally, in this embodiment, when the electronic price tag attempts to access the network at a second best base station selected from the selectable base station list, it is checked whether a current time exceeds a threshold time from a last time of channel scanning completion time in each attempt, and if so, the channel list is rescanned, optionally, the time threshold may be limited to 3 minutes, and in this embodiment, the time threshold is set to adapt to a situation that a spatial position of the electronic price tag may change;
optionally, in this embodiment, in order to improve the execution efficiency, the base station attempting to access the network only selects the best and the second best, and does not attempt the third base station.
The method has the advantages that the threshold time of the network access scanning before and after two times is preset; and then, before initiating the network access request to the data gateway of the other base station, if the interval time of the previous and the next network access scanning exceeds the threshold time, restarting the network access scanning, and determining the updated optional base station list. The method provides a further differentiation processing scheme when the network access request fails for realizing a more humanized electronic price sign-on network back-off scheme, prolongs the service life of the electronic price sign battery, reduces the cost for replacing the battery and improves the production efficiency.
EXAMPLE seven
Fig. 9 is a flowchart of a seventh embodiment of the electronic price check-in and backoff method according to the present invention, where based on the above embodiments, before the network access request is responded and successfully accesses the network, the method sequentially increases a third time interval between the previous and subsequent network access scans and/or the network access request according to the accumulated times of the network access scans and/or the network access requests, and includes:
s41, determining the corresponding relation between the accumulated times and the third time interval;
s42, before the network access request is responded and successfully accessed to the network, obtaining the accumulated times of the network access scanning and/or the network access request, and determining the third time interval for executing the next network access scanning or the network access request according to the accumulated times and the corresponding relation.
In this embodiment, first, a corresponding relationship between the accumulated number of times and the third time interval is determined; and then, before the network access request is responded and successfully accessed to the network, acquiring the accumulated times of the network access scanning and/or the network access request, and determining a third time interval for executing the next network access scanning or the network access request according to the accumulated times and the corresponding relation.
Optionally, in this embodiment, a corresponding relationship between the accumulated number of times and the third time interval is determined according to an actual application scenario, and/or an application requirement, and/or historical access state information of an application area;
optionally, before the network access request is responded and successfully accessed, obtaining the accumulated times of the network access scanning and/or the network access request, and determining a third time interval for executing the next network access scanning or the network access request according to the accumulated times and the corresponding relationship. For example, when the access base station is not found in the network access scanning, the network access process of the network access scanning is started after sleeping for 10 minutes, when the access base station is not found in the network access scanning again, the network access is changed to sleep for 20 minutes, when the access base station is not found in the network access scanning again, the network access is changed to sleep for 30 minutes, when the access base station is not found in the network access scanning again, the network access is changed to sleep for 90 minutes, and then the network access scanning is executed after waking up every 90 minutes, so that the sleep time is not increased. For another example, when the network access request is rejected by the base station, the network access process of the network access request is started after sleeping for 10 minutes, when the network access request is rejected by the base station again, the sleep is changed to 20 minutes, when the network access request is rejected by the base station again, the sleep is changed to 30 minutes, when the network access request is rejected by the base station again, the sleep is changed to 90 minutes, and then the network access request is sent after waking up every 90 minutes, so that the sleep time is not increased any more.
The embodiment has the advantages that the corresponding relation between the accumulated times and the third time interval is determined; and then, before the network access request is responded and successfully accessed to the network, acquiring the accumulated times of the network access scanning and/or the network access request, and determining a third time interval for executing the next network access scanning or the network access request according to the accumulated times and the corresponding relation. The differentiated sleep control scheme is provided for realizing a more humanized electronic price sign network-entry backoff scheme, the service life of the electronic price sign battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
Example eight
Fig. 10 is a flowchart of an eighth embodiment of the electronic price check-in and backoff method according to the present invention, where based on the above embodiments, before the network access request is responded and successfully accesses the network, the method sequentially increases a third time interval between the previous and subsequent network access scans and/or the network access request according to the accumulated number of times of the network access scans and/or the network access requests, and further includes:
s43, determining the upper time limit of the third time interval;
and S44, when the third time interval increases to the time upper limit, determining the time interval of the subsequent previous and subsequent network access scanning and/or the network access request according to the time upper limit.
In this embodiment, first, the upper time limit of the third time interval is determined; and then, when the third time interval is increased to the time upper limit, determining the time interval of the subsequent previous and subsequent network access scanning and/or the network access request according to the time upper limit.
Alternatively, in the present embodiment, as described in the above example, the upper time limit may be set to 90 minutes;
optionally, in this embodiment, when the location area of the electronic tag changes significantly, the sleep time is reset, and/or the upper time limit is updated.
The embodiment has the advantages that the upper time limit of the third time interval is determined; and then, when the third time interval is increased to the time upper limit, determining the time interval of the subsequent previous and subsequent network access scanning and/or the network access request according to the time upper limit. The differentiated sleep control scheme is provided for realizing a more humanized electronic price sign network-entry backoff scheme, the service life of the electronic price sign battery is prolonged, the cost for replacing the battery is reduced, and the production efficiency is improved.
Example nine
Based on the foregoing embodiments, the present invention further provides an electronic price check-in backoff device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the electronic price check-in backoff method described in any of the above.
It should be noted that the device embodiment and the method embodiment belong to the same concept, and specific implementation processes thereof are detailed in the method embodiment, and technical features in the method embodiment are correspondingly applicable in the device embodiment, which is not described herein again.
Example ten
Based on the foregoing embodiments, the present invention further provides a computer-readable storage medium, where an electronic price check-in backoff program is stored, and the electronic price check-in backoff program, when executed by a processor, implements the steps of the electronic price check-in backoff method according to any of the foregoing embodiments.
It should be noted that the media embodiment and the method embodiment belong to the same concept, and specific implementation processes thereof are detailed in the method embodiment, and technical features in the method embodiment are correspondingly applicable in the media embodiment, which is not described herein again.
It should be noted that, in this document, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. An electronic price sign-on backoff method, comprising:
controlling the electronic price tag to start network access scanning according to a preset first time interval, and if the electronic price tag is scanned to a data gateway in an idle state, initiating a network access request to the data gateway;
if the network access request is determined to be a request without response, controlling the electronic price tag to scan the data gateway according to a preset second time interval, and initiating the network access request to the data gateway again;
if the network access request is determined to be refused to access the network, selecting other base stations in an optional base station list, and initiating the network access request to data gateways of the other base stations;
and before the network access request is responded and successfully accessed to the network, gradually increasing the third time interval of the previous and the next network access scanning and/or the network access request according to the accumulated times of the network access scanning and/or the network access request.
2. The method according to claim 1, wherein the controlling the electronic price tag to start an access scan at a preset first time interval, and if the data gateway in an idle state is scanned, initiating an access request to the data gateway includes:
presetting a first interval time for controlling the network access scanning to be started twice before and after the electronic price tag is powered on;
and starting the network access scanning after the electronic price tag is powered on, and restarting the network access scanning after sleeping according to a third time interval if no access base station is found after the first time interval.
3. The method according to claim 2, wherein the controlling the electronic price tag to start an access scan at a preset first time interval, and if the data gateway in an idle state is scanned, initiating an access request to the data gateway, further comprises:
determining the accumulated starting times of the network access scanning;
and gradually increasing the time interval of the network access scanning before and after the starting according to the accumulated starting times.
4. The method according to claim 3, wherein the controlling the electronic price tag to start an access scan at a preset first time interval, and initiating an access request to a data gateway in an idle state if the data gateway is scanned, further comprises:
establishing the selectable base station list according to the scanned data gateway in the idle state;
and sequencing all the base stations in the selectable base station list according to the signal intensity, and initiating the network access request to all the base stations in sequence according to the signal intensity from strong to weak.
5. The method according to claim 4, wherein if it is determined that the network entry request is a request without response, controlling the electronic price tag to scan the data gateway at a preset second time interval and initiate the network entry request to the data gateway again includes:
presetting a second time interval corresponding to the request no response;
and when the network access requests which are sequentially sent to the base stations by the electronic price tags are all the requests without responses, controlling the electronic price tags to scan the data gateways of the base stations again after waiting for the second time interval.
6. The electronic price sign-on backoff method according to claim 5, wherein if it is determined that the network access request is a network access rejection, selecting another base station from the selectable list of base stations, and initiating the network access request to a data gateway of the other base station, comprises:
presetting threshold time of the two previous and next network access scans;
before initiating the network access request to the data gateway of the other base station, if the interval time of the previous and the next network access scanning exceeds the threshold time, restarting the network access scanning, and determining the updated optional base station list.
7. The electronic price check-in backoff method according to claim 6, wherein said successively increasing a third time interval between the previous and the next network entry scans and/or the network entry request according to the accumulated times of the network entry scans and/or the network entry requests before the network entry request is responded and successfully accesses the network comprises:
determining the corresponding relation between the accumulated times and the third time interval;
and before the network access request is responded and successfully accessed to the network, acquiring the accumulated times of the network access scanning and/or the network access request, and determining a third time interval for executing the next network access scanning or the network access request according to the accumulated times and the corresponding relation.
8. The method according to claim 7, wherein before the network entry request is responded and successfully accessed, the third time interval between the previous and subsequent network entry scans and/or the network entry request is successively increased according to the accumulated times of the network entry scans and/or the network entry requests, further comprising:
determining an upper time limit for the third time interval;
and when the third time interval is increased to the time upper limit, determining the time intervals of subsequent previous and subsequent network access scanning and/or network access requests according to the time upper limit.
9. An electronic price sign-on backoff device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the computer program when executed by the processor implementing the steps of the electronic price sign-on backoff method of any of claims 1 to 8.
10. A computer-readable storage medium, having stored thereon an electronic price sign-on back-off program, which when executed by a processor, performs the steps of the electronic price sign-on back-off method of any of claims 1-8.
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