CN112737719B - Electronic price tag communication channel regulation and control method, device and computer readable storage medium - Google Patents

Electronic price tag communication channel regulation and control method, device and computer readable storage medium Download PDF

Info

Publication number
CN112737719B
CN112737719B CN202011630657.8A CN202011630657A CN112737719B CN 112737719 B CN112737719 B CN 112737719B CN 202011630657 A CN202011630657 A CN 202011630657A CN 112737719 B CN112737719 B CN 112737719B
Authority
CN
China
Prior art keywords
channel
price tag
electronic price
offset
communication channel
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.)
Active
Application number
CN202011630657.8A
Other languages
Chinese (zh)
Other versions
CN112737719A (en
Inventor
刘锐帆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nubia Technology Co Ltd
Original Assignee
Nubia Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nubia Technology Co Ltd filed Critical Nubia Technology Co Ltd
Priority to CN202011630657.8A priority Critical patent/CN112737719B/en
Publication of CN112737719A publication Critical patent/CN112737719A/en
Application granted granted Critical
Publication of CN112737719B publication Critical patent/CN112737719B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542—Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • 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
    • 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

Abstract

The invention discloses a method, equipment and a computer-readable storage medium for regulating and controlling an electronic price tag communication channel, wherein the method comprises the following steps: acquiring communication channel configuration parameters of a Bluetooth communication module of the electronic price tag; determining a broadcast channel of a broadcast gateway, a push map channel of a data gateway and a WiFi channel in the current environment in the communication channel configuration parameters; acquiring the protection bandwidth of the broadcast channel and the energy concentration frequency bands of the broadcast channel and the WiFi channel; and determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel after offset according to the offset meets the preset index condition. The scheme capable of increasing the effective channels is realized, the number of channels can be effectively increased, the situation that the effective data gateway cannot be allocated is avoided, the transceiving performance of the data gateway is ensured, and the production efficiency is improved.

Description

Electronic price tag communication channel regulation and control method, device and computer readable storage medium
Technical Field
The present invention relates to the field of mobile communications, and in particular, to a method and apparatus for electronic price tag communication channel regulation and control, and a computer readable storage medium.
Background
The electronic price tag in the prior art, also called electronic shelf label (Electronic Shelf Label, ESL), is an electronic display device with information receiving and transmitting function, is placed on a shelf, and can replace the traditional paper price label. With respect to the research of the mechanism, the market of developed countries such as France has the market permeability of 50% -60%, but China has only about 10% permeability at present, so that the electronic price tag has a strong development space, and along with the development of new retail in China, the electronic price tag gradually replaces the traditional paper price tag in supermarkets, convenience stores and pharmacies, so that the accurate display and quick update of commodity prices are realized, the retail operation efficiency is improved, and the operation cost is reduced.
In the current electronic price tag system, the core module is a communication module, and in consideration of cost and application effect, the selection of the communication module is relatively small, wi-Fi power consumption is too high, so that the use of the Bluetooth module can be only turned to, and the low-power Bluetooth module (BLE) combined with the button battery has a use time limit of years. The bluetooth module works in 2400 MHz-2483 MHz, in this frequency band, because the influence of WiFi channel and broadcast channel on the push channel used for transmitting push data causes the situation that the in-band allocable channel is tense, and if the push channel or the frequency hopping channel is set near the broadcast channel, the transceiving performance of the data gateway will be greatly influenced, therefore, a scheme capable of increasing the effective channel is needed, so that the number of channels can be effectively increased.
Disclosure of Invention
In order to solve the technical defects in the prior art, the invention provides a method for regulating and controlling an electronic price tag communication channel, which comprises the following steps:
acquiring communication channel configuration parameters of a Bluetooth communication module of the electronic price tag;
determining a broadcast channel of a broadcast gateway, a push map channel of a data gateway and a WiFi channel in the current environment in the communication channel configuration parameters;
acquiring the protection bandwidth of the broadcast channel and the energy concentration frequency bands of the broadcast channel and the WiFi channel;
and determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel after offset according to the offset meets the preset index condition.
Optionally, in the communication channel configuration parameter, a broadcast channel corresponding to a broadcast gateway is determined.
Optionally, in the communication channel configuration parameter, three push channels corresponding to the three data gateways and three corresponding frequency hopping channels are determined.
Optionally, the protection bandwidths set at two sides of the center frequency of the broadcast channel are obtained, wherein the protection bandwidths are frequency bands with two sides being 5MHz away from the center frequency.
Optionally, the WiFi channels in the current environment are acquired, where if the current environment is an indoor environment, the WiFi channels include three channels, which are 2412MHz, 2437MHz and 2462MHz, respectively.
Optionally, the energy-concentrated frequency bands of the broadcast channel and the WiFi channel are determined by ambient noise scanning.
Optionally, a channel index for determining whether the push map channel meets the push map data transmission requirement of the electronic price tag is determined, wherein the channel index is calculated by an average value of noise signals and a standard deviation of the noise signals on an actual environment frequency.
Optionally, the index condition corresponding to the channel index is preset, wherein the index condition is 55dB.
And determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel offset according to the offset is greater than 55dB, wherein the offset is 500KHz.
The invention also provides electronic price tag communication channel regulation equipment, 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 tag communication channel regulation method according to any one of the above steps when being executed by the processor.
The invention also provides a computer readable storage medium, wherein the computer readable storage medium stores an electronic price tag communication channel regulating program, and the electronic price tag communication channel regulating program realizes the steps of the electronic price tag communication channel regulating method when being executed by a processor.
By implementing the electronic price tag communication channel regulation and control method, the electronic price tag communication channel regulation and control equipment and the computer readable storage medium, the communication channel configuration parameters of the Bluetooth communication module of the electronic price tag are obtained; determining a broadcast channel of a broadcast gateway, a push map channel of a data gateway and a WiFi channel in the current environment in the communication channel configuration parameters; acquiring the protection bandwidth of the broadcast channel and the energy concentration frequency bands of the broadcast channel and the WiFi channel; and determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel after offset according to the offset meets the preset index condition. The scheme capable of increasing the effective channels is realized, the number of channels can be effectively increased, the situation that the effective data gateway cannot be allocated is avoided, the transceiving performance of the data gateway is ensured, 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 schematic diagram of a communication network system according to an embodiment of the present invention;
FIG. 3 is a flow chart of a first embodiment of the electronic price tag communication channel regulation method of the present invention;
FIG. 4 is a schematic diagram of an electronic price tag system according to a first embodiment of the electronic price tag communication channel regulation method of the present invention;
FIG. 5 is a schematic diagram of a WiFi channel according to a second embodiment of the electronic price tag communication channel modulation method of the present invention;
FIG. 6 is a scan of ambient noise without broadcast channels for a second embodiment of an electronic price tag communication channel modulation method of the present invention;
FIG. 7 is a scan of ambient noise with broadcast channels for a second embodiment of an electronic price tag communication channel modulation method of the present invention;
FIG. 8 is a scan of ambient noise prior to the introduction of an offset for a second embodiment of the electronic price tag communication channel regulation method of the present invention;
FIG. 9 is a scan of ambient noise after introducing an offset for a second embodiment of the electronic price tag communication channel modulation method of the present invention;
FIG. 10 is a broadcast spectrum diagram of a broadcast gateway according to a second embodiment of the electronic price tag communication channel tuning method of the present invention;
FIG. 11 is a broadcast spectrum diagram of a data gateway according to a second embodiment of the electronic price tag communication channel tuning method of the present invention;
fig. 12 is a schematic diagram of a spectrum arrangement of a second embodiment of the electronic price tag communication channel adjusting method of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
The terminal may be implemented in various forms. For example, the terminals described in the present invention may include mobile terminals such as cell phones, tablet computers, notebook computers, palm computers, personal digital assistants (Personal Digital Assistant, PDA), portable media players (Portable Media Player, PMP), navigation devices, wearable devices, smart bracelets, pedometers, and fixed terminals such as digital TVs, desktop computers, and the like.
The following description will be given taking a mobile terminal as an example, and those skilled in the art will understand that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal in addition to elements particularly used for a moving purpose.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal implementing various embodiments of the present invention, the mobile terminal 100 may include: an RF (Radio Frequency) unit 101, a WiFi module 102, an audio output unit 103, an a/V (audio/video) input unit 104, a sensor 105, a display unit 106, a user input unit 107, an interface unit 108, a memory 109, a processor 110, and a power supply 111. Those skilled in the art will appreciate that the mobile terminal structure shown in fig. 1 is not limiting of the mobile terminal and that the mobile terminal may include more or fewer components than shown, or may combine certain components, or a different arrangement of components.
The following describes the components of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be used for receiving and transmitting signals during the information receiving or communication process, specifically, after receiving downlink information of the base station, processing the downlink information by the processor 110; and, the uplink data is transmitted to the base station. Typically, the 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 may also communicate with networks and other devices via wireless communications. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System of Mobile communication, global System for Mobile communications), GPRS (General Packet Radio Service ), CDMA2000 (Code Division Multiple Access, CDMA 2000), WCDMA (Wideband Code Division Multiple Access ), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, time Division synchronous code Division multiple Access), FDD-LTE (Frequency Division Duplexing-Long Term Evolution, frequency Division Duplex Long term evolution), and TDD-LTE (Time Division Duplexing-Long Term Evolution, time Division Duplex Long term evolution), etc.
WiFi belongs to a short-distance wireless transmission technology, and a mobile terminal can help a user to send and receive e-mails, browse web pages, access streaming media and the like through the WiFi module 102, so that wireless broadband Internet access is provided for the user. Although fig. 1 shows a WiFi module 102, it is understood that it does not belong to the necessary constitution of a mobile terminal, and can be omitted entirely as required within a range that does not change 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 talk 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 (e.g., a call signal reception sound, a message reception sound, etc.) related to a specific function performed by the mobile terminal 100. The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive an audio or video signal. The a/V input unit 104 may include a graphics processor (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 graphics 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 can receive sound (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, and the like, and can process such sound into audio data. The processed audio (voice) data may be converted into a format output that can be transmitted to the mobile communication base station via the radio frequency unit 101 in the case of a telephone 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 the audio signal.
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 and a proximity sensor, wherein the ambient light sensor can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and the proximity sensor can turn off the display panel 1061 and/or the backlight when the mobile terminal 100 moves to the ear. As one of the motion sensors, the accelerometer sensor can detect the acceleration in all directions (generally three axes), and can detect the gravity and direction when stationary, and can be used for applications of recognizing the gesture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer gesture calibration), vibration recognition related functions (such as pedometer and knocking), and the like; as for other sensors such as fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc. that may also be configured in the mobile phone, the detailed description thereof will be omitted.
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 (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 to generate key signal inputs related to user settings and function control of the mobile terminal. In particular, 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 touch operations thereon or thereabout by a user (e.g., operations of the user on the touch panel 1071 or thereabout by using any suitable object or accessory such as a finger, a stylus, etc.) and drive the 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 azimuth 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 detection device, converts it into touch point coordinates, and sends the touch point coordinates to the processor 110, and can receive and execute commands sent from the processor 110. Further, the touch panel 1071 may be implemented in various types such as resistive, capacitive, infrared, and surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. 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, mouse, joystick, etc., as specifically not limited herein.
Further, the touch panel 1071 may overlay the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or thereabout, the touch panel 1071 is transferred to the processor 110 to determine the type of touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of touch event. Although in fig. 1, the touch panel 1071 and the display panel 1061 are two independent components for implementing the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 may be integrated with the display panel 1061 to implement the input and output functions of the mobile terminal, which is not limited herein.
The interface unit 108 serves as an interface through which at least one external device can be connected with the mobile terminal 100. For example, the external devices may include a wired or wireless headset port, an external power (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 an external device 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 an external device.
Memory 109 may be used to store software programs as well as various data. The memory 109 may mainly include a storage program area that may store an operating system, application programs required for at least one function (such as a sound playing function, an image playing function, etc.), and a storage data area; the storage data area may store data (such as audio data, phonebook, etc.) created according to the use of the handset, etc. In addition, 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 running 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 that primarily handles operating systems, user interfaces, applications, etc., with a modem processor that primarily 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 source 111 (e.g., a battery) for supplying power to the respective components, and preferably, the power source 111 may be logically connected to the processor 110 through a power management system, so as to perform functions of managing charging, discharging, and power consumption management through 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 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 will be described below.
Referring to fig. 2, fig. 2 is a schematic 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 general mobile communication 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, evolved packet core) 203, and an IP service 204 of an operator that are sequentially connected in communication.
Specifically, the UE201 may be the terminal 100 described above, and will not be described herein.
The E-UTRAN202 includes eNodeB2021 and other eNodeB2022, etc. The eNodeB2021 may be connected with other eNodeB2022 by a backhaul (e.g., an X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide access from the UE201 to the EPC 203.
EPC203 may include MME (Mobility Management Entity ) 2031, hss (Home Subscriber Server, home subscriber server) 2032, other MMEs 2033, SGW (Serving Gate Way) 2034, pgw (PDN Gate Way) 2035 and PCRF (Policy and Charging Rules Function, policy and tariff function entity) 2036, and so on. The MME2031 is a control node that handles signaling between the UE201 and EPC203, providing bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location registers (not shown) and to hold user specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034 and PGW2035 may provide IP address allocation and other functions for UE201, PCRF2036 is a policy and charging control policy decision point for traffic data flows and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
IP services 204 may include the internet, intranets, IMS (IP Multimedia Subsystem ), or other IP services, etc.
Although the LTE system is described above as an example, it should be understood by those skilled in the art that the present invention is not limited to LTE systems, but may 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 the communication network system, various embodiments of the method of the present invention are provided.
Example 1
FIG. 3 is a flowchart of a first embodiment of the electronic price tag communication channel regulation method of the present invention. A method for regulating and controlling a communication channel of an electronic price tag, the method comprising:
s1, acquiring communication channel configuration parameters of a Bluetooth communication module of an electronic price tag;
s2, determining a broadcast channel of a broadcast gateway, a push map channel of a data gateway and a WiFi channel in the current environment in the communication channel configuration parameters;
s3, acquiring the protection bandwidth of the broadcast channel and the energy concentration frequency bands of the broadcast channel and the WiFi channel;
s4, determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel after offset according to the offset meets the preset index condition.
The electronic price tag communication channel regulation scheme provided in the embodiment is suitable for the electronic price tag system shown in fig. 2, and the system specifically comprises an electronic price tag, an AP base station (gateway), a server and a management background, wherein the electronic price tag comprises an electronic ink screen and a communication module, and optionally, in the embodiment, the communication module adopted by the electronic price tag is a bluetooth module.
In this embodiment, the bluetooth module operates in the 2400 MHz-2483 MHz band, and 83 channels are available for selection, but only 79 are actually specified. In the price tag system, a combination of one broadcasting gateway and three data gateways is needed, namely, a broadcasting channel needs to be allocated to the broadcasting gateway, three data channels need to be allocated to the three data gateways, and a frequency hopping mechanism is added, so that three frequency hopping channels need to be reserved for the data gateways. Meanwhile, during the operation of the price tag system, the broadcast channel occupies a certain bandwidth, and if the data channel or the frequency hopping channel is arranged near the broadcast channel, the transceiving performance of the data gateway will be greatly affected, so that in the embodiment, a certain protection bandwidth needs to be arranged on two sides of the center frequency of the broadcast channel, and optionally, the protection bandwidth is 5MHz; meanwhile, considering that Wi-Fi channels in a room are 2412MHz, 2437MHz and 2462MHz, respectively, wherein the channel bandwidth of Wi-Fi is about 22MHz, and the main energy of Wi-Fi is concentrated near the center frequency, and meanwhile, considering that data channels are not suitable to be set near the Wi-Fi channels, the present embodiment faces a situation that the in-band allocable channels are tense, therefore, the present embodiment proposes an algorithm and a scheme for adding effective channels, and can effectively increase the number of channels.
In this embodiment, based on bluetooth module and actual environmental noise analysis, a frequency offset scheme is provided for increasing an effective channel, aiming at the phenomenon of scarce spectrum resources caused by large interference and poor quality of an available channel;
specifically, in this embodiment, in order to determine whether the channel after the frequency offset meets the transmission requirement of the push map data, a determination scheme of the channel index will be first proposed. That is, when measuring the environmental channel quality, the following index is adopted as the criterion of the channel:
Index＝abs(μ-3σ)
wherein μ is the actual ambient frequency f n Upper noise signalMean value of the numbers, σ is the standard deviation of the noise signal.
Optionally, in the present embodiment, based on the actual push application, the present embodiment avoids the channel f of the broadcast gateway BGW And three dominant force channels of WiFi;
alternatively, in the present embodiment, the Index is used to select a channel meeting the quality requirement as the data channel;
alternatively, in this embodiment, if the threshold of the Index is 55dB, only the channels with Index > 55dB are selected, and at this time, only a few channels are available in the 2.4G band;
optionally, in this embodiment, considering that only a few channels remain available in the 2.4G band, this embodiment shifts the data gateway frequency selection by an amount to stagger the dominant energy of Wi-Fi and broadcast channels;
optionally, in this embodiment, a certain amount of biased data gateway frequency selection scheme is performed, so that the Index reaches the requirement of the threshold and above, thereby increasing the selection of the data gateway frequency and alleviating the phenomenon of channel tension.
The beneficial effects of the embodiment are that the communication channel configuration parameters of the Bluetooth communication module of the electronic price tag are obtained; determining a broadcast channel of a broadcast gateway, a push map channel of a data gateway and a WiFi channel in the current environment in the communication channel configuration parameters; acquiring the protection bandwidth of the broadcast channel and the energy concentration frequency bands of the broadcast channel and the WiFi channel; and determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel after offset according to the offset meets the preset index condition. The scheme capable of increasing the effective channels is realized, the number of channels can be effectively increased, the situation that the effective data gateway cannot be allocated is avoided, the transceiving performance of the data gateway is ensured, and the production efficiency is improved.
Example two
Based on the above embodiment, optionally, in the communication channel configuration parameter, a broadcast channel corresponding to a broadcast gateway is determined.
Optionally, in the communication channel configuration parameter, three push channels corresponding to the three data gateways and three corresponding frequency hopping channels are determined.
Optionally, the protection bandwidths set at two sides of the center frequency of the broadcast channel are obtained, wherein the protection bandwidths are frequency bands with two sides being 5MHz away from the center frequency.
Optionally, the WiFi channels in the current environment are acquired, where if the current environment is an indoor environment, the WiFi channels include three channels, which are 2412MHz, 2437MHz and 2462MHz, respectively.
Optionally, the energy-concentrated frequency bands of the broadcast channel and the WiFi channel are determined by ambient noise scanning.
Optionally, a channel index for determining whether the push map channel meets the push map data transmission requirement of the electronic price tag is determined, wherein the channel index is calculated by an average value of noise signals and a standard deviation of the noise signals on an actual environment frequency.
Optionally, the index condition corresponding to the channel index is preset, wherein the index condition is 55dB.
And determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel offset according to the offset is greater than 55dB, wherein the offset is 500KHz.
The above-described alternative embodiments will be further described below:
first, referring to fig. 5, a schematic diagram of a WiFi channel frequency channel according to a second embodiment of the electronic price tag communication channel adjusting method of the present invention is shown. The channels 1, 6 and 11 of WiFi are main indoor use channels, namely 2412MHz, 2437MHz and 2462MHz respectively, and the bandwidths are 22MHz, but the actual main energy is concentrated within 10MHz, and especially the energy of the central frequency is strongest.
Referring to fig. 6, there is shown a scan of environmental noise without broadcast channels for a second embodiment of the electronic price tag communication channel regulation method of the present invention. During the actual environmental noise scanning process, the three WiFi channels are observed. Among them, the noise data quantized by the index can clearly see three WiFi channels, and the intensities of the center frequencies thereof are about-62 dB, -40dB and-40 dB. In the price tag system, since the broadcasting gateway exists, the gateway broadcasts the monitoring price tag at all times when needed, thus occupying the whole broadcasting channel for a long time, and the channel near the broadcasting channel is deteriorated.
Referring to fig. 7, there is shown a scan of environmental noise with a broadcast channel according to a second embodiment of the electronic price tag communication channel adjusting method of the present invention. Based on the above situation, assuming that the broadcast channel is 2431MHz, it can be seen that the broadcast channel intensity is about-33 dB, and the entire frequency band is deteriorated by 10dB, and at this time, under the condition that the threshold value is unchanged, more than 55dB channels are less than 40.
Referring to fig. 8, a scan of ambient noise before the introduction of an offset is shown for a second embodiment of the electronic price tag communication channel regulation method of the present invention. In order to avoid the occurrence of the above situation, in the present embodiment, a channel offset scheme is adopted, that is, the frequency of the data gateway is set to a certain offset f shift Let the data gateway avoid the center frequency of Wi-Fi and broadcast channel, if the original data gateway has frequency f 0 The frequency of the data gateway after the offset is introduced is f 0 +f shift The ambient noise is shown in fig. 8 before the offset is introduced.
Referring to fig. 9, a scan of ambient noise after the introduction of an offset is shown for a second embodiment of the electronic price tag communication channel regulation method of the present invention. As can be seen from the figure, the channel with in-band greater than 55dB is about half of the remaining channel, and after introducing an offset, let f here shift By 500KHz, some major interference can be avoided, and the scan result shown in fig. 9 can be obtained. It can be seen that the selectable channels with the in-band greater than 55dB have increased significantly, even in the frequency band with index dip, because of the offset introduced, the data channel avoids the actual dominant interference center point of the dip channel. After the processing, the data letterUnder the constraint of various interferences, the channel and the frequency hopping channel still have abundant selectable channels, the quantization Index of the channel after offset is basically higher than a threshold value of 55dB, the channel is cleaner, the channel is suitable for transmitting push map data, and the situations that the data channel and the frequency hopping channel of the data gateway are under the condition of channel resource shortage and other signal interferences in a 2.4G frequency band are solved.
Referring to fig. 10, a broadcast spectrum diagram of a broadcast gateway according to a second embodiment of the electronic price tag communication channel adjusting method of the present invention is shown. From the figure, it can be seen that the measuring range of the spectrometer is 2380MHz at the beginning and 2500MHz at the end, the display screen has 10 cells, that is, the width of each cell is 12MHz, and the broadcasting spectrum width of the square frame ring in the figure is about 10MHz, so that the bandwidth of 5MHz needs to be reserved on the left side and the right side of the broadcasting channel to avoid.
Referring to fig. 11, a broadcast spectrum diagram of a data gateway according to a second embodiment of the electronic price tag communication channel adjusting method of the present invention is shown. Also in this figure, the measurement range of the spectrometer is 20MHz, i.e. each cell has a width of 2MHz, while the dominant energy of the spectrum is concentrated within the middle 1 MHz.
Referring to fig. 12, a schematic spectrum arrangement of a second embodiment of the electronic price tag communication channel adjusting method of the present invention is shown. Considering that the channels are generally specified to be integer in the frequency band of 2400MHz to 2480MHz, namely 2400, 2401, … …, 2480 for a total of 80 channels, an arrangement schematic of each channel can be referred to fig. 12 in general. Wherein, since the distance between each channel is 1MHz, in order to avoid the dominant force energy in pushing, the embodiment controls the offset within 1MHz, i.e. 0, when making offset<f shift <1MHz, and in order to minimize interference, the present embodiment will avoid two dominant force peaks on both sides as much as possible, while taking the best offset when shifting 500kHz after compromise.
Thus, in this embodiment, the electronic price tag communication channel is controlled to be 0 for the selection and trade-off of the offset<f shift <Within 1MHz, and according to the channel quality effect requirement after offset, the offset f is adopted shift The best offset choice is when=500 kHz.
The beneficial effect of the embodiment is that the best offset is obtained through analysis of experimental data and a spectrogram, so that the channel index of the push map channel after offset according to the offset meets the preset index condition. The scheme capable of increasing the effective channels is realized, the number of channels can be effectively increased, the situation that the effective data gateway cannot be allocated is avoided, the transceiving performance of the data gateway is ensured, and the production efficiency is improved.
Example III
Based on the above embodiment, the present invention also proposes an electronic price tag communication channel regulating device, which comprises a memory, a processor and a computer program stored on the memory and executable on the processor, the computer program implementing the steps of the electronic price tag communication channel regulating method according to any one of the above when being executed by the processor.
It should be noted that the above device embodiments and method embodiments belong to the same concept, the specific implementation process of the device embodiments is detailed in the method embodiments, and technical features in the method embodiments are correspondingly applicable to the device embodiments, which are not repeated herein.
Example IV
Based on the above embodiment, the present invention also proposes a computer readable storage medium, on which an electronic price tag communication channel adjusting program is stored, which when executed by a processor implements the steps of the electronic price tag communication channel adjusting method according to any one of the above.
It should be noted that the medium embodiment and the method embodiment belong to the same concept, the specific implementation process of the medium embodiment and the method embodiment are detailed, and technical features in the method embodiment are correspondingly applicable in the medium embodiment, which is not repeated herein.
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 one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.

Claims (3)

1. A method for regulating and controlling a communication channel of an electronic price tag, the method comprising:
acquiring communication channel configuration parameters of a Bluetooth communication module of the electronic price tag;
determining a broadcast channel of a broadcast gateway, a push map channel of a data gateway and a WiFi channel in the current environment in the communication channel configuration parameters;
acquiring the protection bandwidth of the broadcast channel and the energy concentration frequency bands of the broadcast channel and the WiFi channel;
determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel after offset according to the offset meets the preset index condition;
determining a broadcast channel corresponding to a broadcast gateway in the communication channel configuration parameters;
determining three push channels corresponding to the three data gateways and three corresponding frequency hopping channels in the communication channel configuration parameters;
acquiring the protection bandwidths set on two sides of the center frequency of the broadcast channel, wherein the protection bandwidths are frequency bands of which the two sides are 5MHz away from the center frequency;
acquiring the WiFi channels in the current environment, wherein if the current environment is an indoor environment, the WiFi channels comprise three channels which are 2412MHz, 2437MHz and 2462MHz respectively;
determining the energy concentration frequency bands of the broadcast channel and the WiFi channel through environmental noise scanning;
determining a channel index for judging whether the push map channel meets the push map data transmission requirement of the electronic price tag, wherein the channel index is obtained by calculating the average value of noise signals and the standard deviation of the noise signals on the actual environment frequency;
presetting the index condition corresponding to the channel index, wherein the index condition is 55dB;
determining the offset of the push map channel in the frequency range outside the protection bandwidth and the energy concentration frequency range, so that the channel index of the push map channel offset according to the offset is greater than 55dB, wherein the offset is 500KHz;
wherein, the liquid crystal display device comprises a liquid crystal display device,
the Index condition index=abs (μ -3σ), where μ is the actual environmental frequency f n Upper noise signalMean value of the numbers, σ is the standard deviation of the noise signal.
2. An electronic price tag communication channel regulating device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, which when executed by the processor performs the steps of the electronic price tag communication channel regulating method of claim 1.
3. A computer readable storage medium, wherein an electronic price tag communication channel regulation program is stored on the computer readable storage medium, which when executed by a processor, implements the steps of the electronic price tag communication channel regulation method of claim 1.
CN202011630657.8A 2020-12-31 2020-12-31 Electronic price tag communication channel regulation and control method, device and computer readable storage medium Active CN112737719B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011630657.8A CN112737719B (en) 2020-12-31 2020-12-31 Electronic price tag communication channel regulation and control method, device and computer readable storage medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011630657.8A CN112737719B (en) 2020-12-31 2020-12-31 Electronic price tag communication channel regulation and control method, device and computer readable storage medium

Publications (2)

Publication Number Publication Date
CN112737719A CN112737719A (en) 2021-04-30
CN112737719B true CN112737719B (en) 2023-07-25

Family

ID=75608282

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011630657.8A Active CN112737719B (en) 2020-12-31 2020-12-31 Electronic price tag communication channel regulation and control method, device and computer readable storage medium

Country Status (1)

Country Link
CN (1) CN112737719B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010137883A2 (en) * 2009-05-29 2010-12-02 Lg Innotek Co., Ltd. Terminal, system and method for electronic shelf label using radio-frequency identification
CN107105462A (en) * 2017-05-16 2017-08-29 维沃移动通信有限公司 A kind of channel replacing options and mobile terminal
CN110334793A (en) * 2019-08-21 2019-10-15 昆山市华显光电科技有限公司 A kind of electrovalence label positioning system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160034732A1 (en) * 2014-07-31 2016-02-04 Samsung Electro-Mechanics Co., Ltd. Electronic shelf label tag and electronic shelf label gateway with adjacent channel removal feature
US9985839B2 (en) * 2015-07-08 2018-05-29 Fedex Corporate Services, Inc. Systems, apparatus, and methods of event monitoring for an event candidate within a wireless node network based upon sighting events, sporadic events, and benchmark checkpoint events
WO2017097358A1 (en) * 2015-12-10 2017-06-15 Ses-Imagotag Gmbh Display device having a controllable processing stage
CN107343259B (en) * 2017-07-03 2019-12-13 苏州汉朗光电有限公司 wireless electronic tag system and multi-band low-power-consumption data secure transmission method thereof
CN110300394B (en) * 2018-03-23 2020-12-08 浙江汉朔电子科技有限公司 Resource allocation method, related device, system and storage medium
US10986622B2 (en) * 2018-05-10 2021-04-20 Apple Inc. User equipment (UE) downlink transmission configuration indication (TCI)-state selection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010137883A2 (en) * 2009-05-29 2010-12-02 Lg Innotek Co., Ltd. Terminal, system and method for electronic shelf label using radio-frequency identification
CN107105462A (en) * 2017-05-16 2017-08-29 维沃移动通信有限公司 A kind of channel replacing options and mobile terminal
CN110334793A (en) * 2019-08-21 2019-10-15 昆山市华显光电科技有限公司 A kind of electrovalence label positioning system

Also Published As

Publication number Publication date
CN112737719A (en) 2021-04-30

Similar Documents

Publication Publication Date Title
CN110784898B (en) Network switching method, mobile terminal and computer readable storage medium
CN107613489B (en) Wireless charging method, wireless hotspot device, terminal and storage medium
CN110087287B (en) Control method and device for terminal network searching, mobile terminal and storage medium
CN109195143B (en) Network access method, mobile terminal and readable storage medium
CN108512625B (en) Anti-interference method for camera, mobile terminal and storage medium
CN107295270B (en) Image brightness value determination method and device, terminal and computer-readable storage medium
CN108600520B (en) Reception state control method, mobile terminal, and computer-readable storage medium
CN109890022B (en) Data transmission control method, mobile terminal and computer readable storage medium
CN112822538A (en) Screen projection display method, screen projection device, terminal and storage medium
CN112105004B (en) Electronic price tag network detection method, device and computer readable storage medium
CN112689323A (en) Specific absorption rate control method, terminal and computer readable storage medium
CN111970738B (en) Network switching control method, device and computer readable storage medium
CN112437472B (en) Network switching method, equipment and computer readable storage medium
CN112866804B (en) Screen projection self-adaption method, mobile terminal and readable storage medium
CN109861697B (en) Antenna performance optimization method and device, terminal and computer readable storage medium
CN110191477B (en) Network search control method, terminal and computer readable storage medium
CN112766444A (en) Antenna tuning method and device for electronic price tag, terminal and storage medium
CN109388947B (en) Background management method, device and computer readable storage medium
CN109684020B (en) Theme switching method, device and computer readable storage medium
CN108805559B (en) Two-dimensional code pushing method, mobile terminal and computer readable storage medium
CN112737719B (en) Electronic price tag communication channel regulation and control method, device and computer readable storage medium
CN107360599B (en) Intelligent wifi networking method and mobile terminal
CN111476231B (en) Image area identification method, device and computer readable storage medium
CN112667339B (en) Screen refresh rate setting method, terminal and computer readable medium
CN108322943B (en) Local area network allocation method, terminal and storage medium

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
GR01 Patent grant
GR01 Patent grant