CN111464984B - Communication method and device - Google Patents

Communication method and device Download PDF

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CN111464984B
CN111464984B CN202010244962.7A CN202010244962A CN111464984B CN 111464984 B CN111464984 B CN 111464984B CN 202010244962 A CN202010244962 A CN 202010244962A CN 111464984 B CN111464984 B CN 111464984B
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internet
current
things
level
things equipment
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CN111464984A (en
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刘洋
张力方
胡泽妍
胡云
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China United Network Communications Group Co Ltd
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China United Network Communications Group Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/336—Signal-to-interference ratio [SIR] or carrier-to-interference ratio [CIR]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
    • H04W8/183—Processing at user equipment or user record carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24—Transfer of terminal data
    • H04W8/245—Transfer of terminal data from a network towards a terminal
    • 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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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
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  • Physics & Mathematics (AREA)
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  • Health & Medical Sciences (AREA)
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Abstract

The application provides a communication method and a communication device, which relate to the technical field of the Internet of things, and because conditions are added for the Internet of things equipment to execute LPA instructions, compared with the communication method of the Internet of things equipment and a trigger server in the prior art, the communication method provided by the application can reduce the signaling load of a cell network when a large number of Internet of things equipment in the same cell simultaneously initiate the request for executing the LPA instructions, avoid the occurrence of congestion, and further ensure that the cell service can be normally carried out. The method comprises the following steps: calculating a current access grade, wherein the current access grade is used for representing the communication priority of the Internet of things equipment and the trigger server at the current moment; step A: judging whether the current access level is smaller than a preset level or not; and executing the LPA instruction when the current access level is greater than or equal to the preset level.

Description

Communication method and device
Technical Field
The application relates to the technical field of internet of things, in particular to a communication method and device.
Background
In a remote configuration architecture of an embedded subscriber identity module (e-SIM) card, an internet of things device may communicate with a trigger server by executing a local profile agent (local profile agent, LPA) instruction to determine an operation type of a profile (profile) of the e-SIM card in the internet of things device (the trigger server records an operation type of a profile of the e-SIM card in the internet of things device, where the operation type includes a type that the internet of things device downloads, activates, inquires, deletes the profile of the e-SIM card, and so on), so that a corresponding operation is performed according to the confirmed operation type.
If a large number of devices of the internet of things execute LPA instructions in the same cell and execute corresponding operations, the load of the cell is greatly increased, resulting in congestion.
Disclosure of Invention
The application provides a communication method and a communication device, which solve the problem that a cell network is congested when a large number of Internet of things devices execute LPA instructions simultaneously.
In order to achieve the above purpose, the present application adopts the following technical scheme:
in a first aspect, the present application provides a communication method that may be applied to a communication system including an internet of things device and a trigger server. The triggering server records the operation type of the configuration file of the electronic card in the Internet of things equipment. Specifically, the internet of things device calculates the priority (i.e., the current access level) of communication between the current time and the trigger server, and then judges whether the internet of things device in the current access level meets the preset condition. Wherein, the preset conditions are: the priority of communication between the internet of things equipment and the trigger server at the current moment is greater than or equal to a preset level. And when the current access level meets the preset condition, the equipment of the Internet of things executes the LPA instruction.
It can be seen that the LPA instruction can be executed by the internet of things device only if the current access class meets the preset conditions. Therefore, in the same cell, only the internet of things equipment with the current access level meeting the preset condition can execute the LPA instruction, and correspondingly, the server of the cell only needs to process LPA instruction requests initiated by the internet of things equipment. Compared with the prior art, the communication method provided by the application can reduce the signaling load of the cell network when a large number of Internet of things devices in the same cell initiate the LPA instruction execution request at the same time, avoid the occurrence of congestion, and further ensure that the cell service can be normally performed.
In addition, under the condition that the preset condition is met, the internet of things device executes the LPA instruction to communicate with the trigger server and confirms the operation type according to the information obtained by communication so as to perform corresponding operation, and the operation efficiency of the internet of things device for downloading, activating, inquiring or deleting the profile is improved due to the fact that the signaling load of the cell network is reduced.
In a second aspect, the present application provides a communication device, applied to a communication system including an internet of things device and a trigger server, where the trigger server records an operation type of a configuration file of an electronic card in the internet of things device, where the communication device includes: the device comprises a calculation module, a judgment module and a processing module. The computing module is used for computing the current access grade, and the current access grade is used for representing the communication priority of the Internet of things equipment and the trigger server at the current moment. The judging module is used for executing the step A: and judging whether the current access grade calculated by the calculation module is smaller than a preset grade. And the processing module is used for executing the LPA instruction when the judging module judges that the current access grade is greater than or equal to the preset grade.
In a third aspect, the present application provides a communication device comprising a memory, a processor, a bus, and a communication interface; the memory is used for storing computer execution instructions, and the processor is connected with the memory through a bus; when the communication device is running, the processor executes computer-executable instructions stored in the memory to cause the communication device to perform the communication method as provided in the first aspect.
In a fourth aspect, the present application provides a computer readable storage medium having instructions stored therein which, when executed by a computer, implement a communication method as provided in the first aspect.
In a fifth aspect, the present application provides a computer program product comprising computer instructions which, when run on a computer, cause the computer to perform the communication method according to the first aspect.
It should be noted that the above-mentioned computer instructions may be stored in whole or in part on the first computer readable storage medium. The first computer readable storage medium may be packaged together with the processor of the communication device or may be packaged separately from the processor of the communication device, which is not limited in this application.
The description of the second, third, fourth and fifth aspects of the present application may refer to the detailed description of the first aspect; also, the advantageous effects described in the second aspect, the third aspect, the fourth aspect, and the fifth aspect may refer to the advantageous effect analysis of the first aspect, and are not described herein.
In the present application, the names of the above-mentioned communication apparatuses do not constitute limitations on the devices or function modules themselves, and in actual implementations, these devices or function modules may appear under other names. Insofar as the function of each device or function module is similar to the present invention, it is within the scope of the claims of the present application and the equivalents thereof.
These and other aspects of the present application will be more readily apparent from the following description.
Drawings
Fig. 1 is a schematic diagram of a remote configuration architecture of an e-SIM card according to an embodiment of the present application;
fig. 2 is a flow chart of a remote management method of an e-SIM card according to an embodiment of the present application;
fig. 3 is a schematic architecture diagram of a communication system according to an embodiment of the present application;
fig. 4 is a schematic flow chart of a communication method according to an embodiment of the present application;
fig. 5 is a flow chart of another communication method according to an embodiment of the present application;
fig. 6 is a flow chart of another communication method according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of a communication device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of another communication device according to an embodiment of the present application.
Detailed Description
The following describes in detail a communication method and a device provided in an embodiment of the present application with reference to the accompanying drawings.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone.
The terms "first" and "second" and the like in the description and in the drawings are used for distinguishing between different objects or for distinguishing between different processes of the same object and not for describing a particular sequential order of objects.
Furthermore, references to the terms "comprising" and "having" and any variations thereof in the description of the present application are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.
It should be noted that, in the embodiments of the present application, words such as "exemplary" or "such as" are used to mean serving as an example, instance, or illustration. Any embodiment or design described herein as "exemplary" or "for example" should not be construed as preferred or advantageous over other embodiments or designs. Rather, the use of words such as "exemplary" or "such as" is intended to present related concepts in a concrete fashion.
In the description of the present application, unless otherwise indicated, the meaning of "a plurality" means two or more.
With the development of internet of things technology, the market has put higher demands on a subscriber identity module (SIM, subscriber identification module) card of internet of things equipment, including: it is required to have higher physical characteristics, have longer life and higher reliability, have more reliable and more wear-resistant physical connection contacts, and meet certain requirements in supporting remote configuration, remote activation, flexible replacement of user identities over the air interface, etc. Under the push of the above needs, the global system for mobile communications (gsm) society (global system for mobile communications association, GSMA) has led to the technical architecture of e-SIM cards, which guides the development of SIM cards towards electronics, so as to meet market demands.
Referring to fig. 1, a remote configuration architecture of an existing e-SIM card is provided, which includes a code number management system, an e-SIM card service acceptance and download trigger server (abbreviated as trigger server), an e-SIM card management platform, and a communication module of the e-SIM card. The code number management system is a subsystem in the operator business system and is mainly responsible for distributing code numbers for the e-SIM card and managing the e-SIM card. The triggering server can trigger the internet of things equipment to complete downloading, activating, inquiring or deleting the profile of the e-SIM card based on the e-SIM card management platform when communicating with the internet of things equipment. The e-SIM card management platform comprises an e-SIM card data generation server and an e-SIM card download server, and is responsible for generating, storing and managing profile data, executing functions such as profile downloading and the like. LPA is a software package in the communication module of the e-SIM card that includes a local profile download (local profile download, LPD) and a local user interface (local user interface, LUI). In addition, CI is a certificate and EUM represents the manufacturer that produced the e-SIM card.
As shown in FIG. 1, the e-SIM card management platform and the e-SIM card can support ES8+ interface communication, the e-SIM card management platform and the LPD can support ES9+ interface communication, the e-SIM card and the LPD can support ES10b interface communication, and the e-SIM card and the LUI can support ES10c interface communication.
Note that, the definitions of the above-mentioned ES8+ interface, ES9+ interface, ES10b interface, and ES10c interface may refer to the definitions in the prior art.
As shown in fig. 2, a flow chart of a remote management method of an e-SIM card applied to the remote configuration architecture of an e-SIM card shown in fig. 1 is provided.
The user may first connect to the service system of the operator in an online or offline manner to perform service handling, and after the service handling is successful, the service system of the operator sends a profile package (corresponding to S11 in fig. 2) generating request to the e-SIM card management platform, where the generated profile package request carries subscription information of the e-SIM card during service handling. Then, the e-SIM card management platform generates a profile package (corresponding to S12 in fig. 2), and transmits a profile package generation response to the carrier service system (corresponding to S13 in fig. 2). Finally, the operator business system may synchronize the subscription information of the business handling e-SIM card to the trigger server (corresponding to S14 in fig. 2). The service transacted subscription information includes a citizen network electronic identity (eID, electronic identity) and a service order associated with the eID, and the service order records an operation type of the internet of things device on profile, including operations such as downloading, activating, querying or deleting.
It should be noted that fig. 2 only shows one implementation manner of remote management of the e-SIM card in the prior art, and in practical application, the implementation manner may be other ways. For example, after receiving a request for generating a profile package sent by the operator service system, the e-SIM card management platform may directly synchronize subscription information of the e-SIM card to the trigger server (corresponding to S15 in fig. 2).
Before the internet of things device downloads, activates, inquires or deletes the profile, the internet of things device first needs to execute the LPA instruction, that is, reports eID to the trigger server (corresponding to S21 in fig. 2), and then the trigger server inquires whether a service order associated with the eID reported by the internet of things device is recorded (corresponding to S22 in fig. 2). When the trigger server queries the service order associated with eID, the trigger server can enable the Internet of things equipment to report authentication information and mutually perform authentication, after the authentication is passed, the trigger server can send a trigger operation request to the Internet of things equipment (corresponding to S23 in FIG. 2), the trigger operation request carries an operation type of profile, and after receiving the trigger operation request sent by the trigger server, the Internet of things equipment completes corresponding operation according to the operation type of profile carried in the operation request (corresponding to S24 in FIG. 2). For example, when the operation type is downloading profile, the internet of things device connects to the e-SIM card management platform through the trigger server, and downloads a profile package associated with eID of the internet of things device in the e-SIM card management platform (corresponding to S25 in fig. 2).
The remote management method for the e-SIM card can realize the management of a large number of Internet of things equipment, however, if a large number of Internet of things equipment execute LPA instructions simultaneously in the same cell and perform corresponding operations according to the operation types confirmed when the LPA instructions are executed, the load of the cell can be greatly increased, and the occurrence of congestion situation is caused. Especially for the access technology with limited bandwidth, such as the narrowband internet of things (narrow band internet of things, NB-IOT) technology based on cellular, when the equipment of the internet of things simultaneously shares the limited bandwidth to execute the LPA instruction, the operation efficiency of the equipment of the internet of things for downloading, activating, querying or deleting the profile and the like can be affected, and the normal service of the cell can be affected.
Aiming at the problems in the prior art, the embodiment of the application provides a communication method, before the equipment of the internet of things executes the LPA instruction, whether the priority of the communication between the equipment of the internet of things and the trigger server at the current moment meets the preset condition or not needs to be judged.
The communication method provided by the embodiment of the application can be applied to a communication system comprising the Internet of things equipment and the trigger server. Fig. 3 shows a structure of the communication system. As shown in fig. 3, the communication system includes at least one internet of things device 01 and a trigger server 02. The trigger server 02 is connected with each internet of things device 01.
The internet of things device 01 may be a mobile phone, a tablet computer, a desktop computer, a laptop computer, a notebook computer, an ultra-mobile personal computer (UMPC), a handheld computer, a netbook, a personal digital assistant (personal digital assistant, PDA), a wearable electronic device, a virtual reality device, or other different types of devices connected to the trigger server 02.
When the internet of things device 01 successfully executes the LPA instruction, the internet of things device 01 can interact with the trigger server 02, namely, communication between the internet of things device 01 and the trigger server is realized.
The communication method provided in the embodiment of the present application is described below with reference to the communication system shown in fig. 3.
In the embodiment of the present application, the communication method between the trigger server 02 and each internet of things device 01 is the same. A communication method between the internet of things device 01 and the trigger server 02 is described below as an example.
Referring to fig. 4, the communication method provided in the embodiment of the present application includes S101 to S103:
s101, the Internet of things equipment calculates the current access level.
The current access level is used for representing the communication priority of the Internet of things equipment and the trigger server at the current moment.
The triggering server records the operation types of the configuration files of the electronic card in the Internet of things equipment, wherein the operation types comprise operations such as downloading, activating, inquiring or deleting the profile of the electronic card by the Internet of things equipment.
It should be noted that, the electronic card in the embodiment of the present application is any identification card that can identify the identity of the user. The electronic card in the embodiment of the application may be an e-SIM card, for example.
The internet of things device can determine the communication priority of the internet of things device and the trigger server at the current moment through calculation, namely the current access level. The internet of things device may first obtain the waiting times, the network environment quality parameters and the network state level of the internet of things device, and then calculate the current access level according to the waiting times, the network environment quality parameters and the network state level of the internet of things device.
The initial value of the waiting times of the internet of things equipment is zero, and the waiting times of the internet of things equipment waiting for executing the LPA are indicated.
The network environment quality parameters include at least: received signal strength indication (received signal strength indication, RSSI), reference signal received power (reference signal receiving power, RSRP), reference signal transmit power, and signal transmission path loss.
The RSSI refers to an average value of power of all signals (including pilot signals, neighbor interference signals, noise signals, etc.) received by the internet of things device in one subcarrier. When the RSSI is larger than a first preset value, the power of the current transmission signal of the cell is larger (namely the current load of the cell is higher), or the interference signal of the adjacent cell is larger, or the noise signal is larger, which indicates that the current network environment quality is poor, and the equipment of the Internet of things is not suitable for executing the LPA instruction. The first preset value is a manually predetermined value, for example, the first preset value may be-47 dBm (decibel-milliwatt, a unit of count for measuring signal strength).
In addition, the quality of the signal transmitted by the internet of things device can be judged through the RSRP, and when the RSRP is smaller than or equal to the second numerical value, the quality of the signal transmitted by the internet of things device is poor. The second value may be, for example, a difference between a reference signal transmission power and a signal transmission path loss of the internet of things device. The signal transmission path loss can be the maximum path loss supported by the current cell, in an NB-IOT system, the signal transmission path loss can be 144dB (decibel, a counting unit for measuring signal strength), and in other systems, the signal transmission path loss can be different values according to the requirement of the edge rate. Of course, in practical applications, the second value may also be determined by other manners, for example, in practical applications, when the internet of things device transmits a signal, there is other loss besides the signal transmission path loss, which results in lower received power than the practical value, that is, poorer quality of the transmission signal. Therefore, the second value may also be a difference value between the reference signal transmitting power and the signal transmission path loss of the internet of things device, and the second preset value is a value which is manually determined in advance and represents the transmission signal loss. The second preset value may be, for example, 3dB.
In addition, when the internet of things equipment calculates the access grade, the network state grade is considered, and the network state grade is used for representing whether the internet of things equipment is accessed to the network through a preset number at the current moment. When the internet of things equipment needs to download the number belonging to the electronic card of the internet of things equipment, network connection with the trigger server is firstly required to be established, the network is generally accessed through a preset number, the preset number is a recyclable and reusable number, and the internet of things equipment needs to access the network through the preset number to download the real number belonging to the internet of things equipment. When the internet of things equipment accesses the network through the preset number, the internet of things equipment has no data transmission capability, namely cannot normally communicate, and can normally communicate only when the internet of things equipment downloads the number belonging to the internet of things equipment. Therefore, when the internet of things device accesses the network through the preset number, the waiting times of the internet of things device and the network environment quality parameters can be not considered, and the internet of things device can directly execute the LPA instruction, namely, when the internet of things device accesses the network through the preset number, the priority of the communication between the internet of things device and the trigger server at the current moment is indicated to be highest.
Illustratively, the current access class can be calculated by expression (1).
laccess＝e lRSSI×lRSRP×k+nwait-k +lstatus (1)
Where lacces represents the current access class; the lrsi represents the RSSI level, when the RSSI is greater than a first preset value, the lrsi takes a value of 0, and when the RSSI is less than or equal to the first preset value, the lrsi takes a value of 1.lRSRP denotes an RSRP access class, and is 0 when RSRP is less than or equal to the second value, and is 1 when RSRP is greater than the second value. lstatus represents the network state level, when the Internet of things equipment at the current moment is accessed to the network through a preset number, the value of lstatus is 1, and the value of other cases is 0; nwait represents the current waiting times of the internet of things equipment. In addition, k represents a waiting bias, which is a value determined according to the average load of the network, for example, k may be 2.
In addition, before the current access level is calculated, the internet of things equipment can also judge whether the internet of things equipment at the current moment is accessed to the network through the preset number, and when the internet of things equipment at the current moment is judged to be accessed to the network through the preset number, the LPA instruction is executed. When the internet of things equipment at the current moment is judged not to be accessed to the network through the preset number, the current access grade is calculated through the expression (2).
laccess＝e lRSSI×lRSRP×k+nwait-k (2)
Of course, in practical application, the current access level may be calculated according to the waiting times of the internet of things device, the network environment quality parameter and the network state level in other manners, which is not described herein in detail.
S102, the Internet of things equipment judges whether the current access level is smaller than a preset level.
And when the internet of things device judges that the current access level is greater than or equal to the preset level, executing S103.
The preset level is a parameter which is determined in advance. Illustratively, taking the calculation of the current access level by expression (1) as an example, the preset level may take 1. Specifically, in expression (1), when the lstatus value is 1, the internet of things device may determine that the current access level is equal to the preset level, i.e. S103 may be executed. When the lstatus is 0, if any one of lRSRP or lrsi is 0, lrsrsrp×k is 0, at this time, the values of nwait and k need to be determined, and when k is 2, the number of waiting times is 2 or more times, so that it can be determined that the current access level is greater than or equal to the preset level, and S103 can be executed. When lstatus takes a value of 0 and both lRSRP and lrsi take a value of 1, expression (1) is deformed to be lacess=e nwait At this time, it is indicated that the current network environment quality is good, and no matter how many times the current access level is waiting, it can be determined that the current access level is greater than or equal to the preset level, and S103 can be executed.
S103, the equipment of the Internet of things executes the LPA instruction.
When the internet of things device judges that the current access level is greater than or equal to the preset level, that is, the communication priority of the internet of things device and the trigger server at the current moment meets the preset condition for executing the LPA instruction, at the moment, the internet of things device can execute the LPA instruction to perform information interaction with the trigger server, and the trigger server records the operation type of the configuration file of the electronic card in the internet of things device, so that the internet of things device can perform corresponding operation according to the operation type obtained by information interaction. Operations after the LPA instruction is specifically executed may refer to the related description of the remote management method for the e-SIM card in the foregoing description, and will not be repeated here.
Optionally, as shown in fig. 5, after step S102, when the internet of things device determines that the current access level is less than the preset level, S104 is performed.
S104, the Internet of things equipment determines that the waiting times of the Internet of things equipment are the current waiting times plus one.
When the internet of things device judges that the current access level is smaller than the preset level, it is indicated that the priority of the communication between the internet of things device and the trigger server at the current moment does not reach the condition that the internet of things device executes the LPA instruction, the waiting times of the internet of things device need to be updated, the step S101 is executed again, and after the step S101, the internet of things device executes the step S102 again according to the recalculated access level.
The method may further include the step of starting a preset timer after updating the waiting times of the internet of things device, wherein the duration of the preset timer is the preset duration, and after the preset duration is over, recalculating the access class of the internet of things device, and executing step S102 according to the recalculated access class.
Optionally, as shown in fig. 5, after step S103, the communication method provided in the embodiment of the present application further includes S105 to S108:
s105, the Internet of things equipment calculates the current execution level.
Because the LPA instruction may fail to execute due to a network environment or other reasons when the internet of things device executes the LPA instruction, in order to improve the success rate of executing the LPA instruction, the number of times that the internet of things device executes the LPA instruction may be increased. Specifically, the internet of things device may calculate a current execution level, where the current execution level is used to characterize that the internet of things device executes the LPA instruction n times at most under the current access level, and then may execute the LPA instruction according to the maximum execution number n corresponding to the current execution level, where n is greater than or equal to 1.
For example, the internet of things device may first obtain the waiting times, RSRP, and signal-to-interference-plus-noise ratio (SINR, signal to interference plus noise ratio) of the internet of things device at the current time, and then calculate the current execution level according to the waiting times, RSRP, and SINR of the internet of things device at the current time.
The waiting times and RSRP of the internet of things device at the current moment can refer to the foregoing description of calculating the current access level, and the SINR represents the ratio of the strength of the useful signal received by the internet of things device to the strength of the received interference signal.
Illustratively, the current execution level may be calculated by expression (3).
limple ＝limpeRSRP+lwait (3)
Wherein, the file represents the current execution level; limpeRSRP represents the RSRP execution level, which can be determined by expression (4).
Figure SMS_1
When RSRP is less than-105 dBm or SINR is less than 0dB, the current network environment quality is poor, the success rate of executing the LPA instruction can be improved by improving the times of executing the LPA instruction by the Internet of things equipment, when RSRP is more than or equal to-85 dBm and SINR is more than 10dB, the current network environment quality is good, failure of executing the LPA instruction by the Internet of things equipment is probably caused by other reasons, and even if the times of repeatedly executing are increased, the success rate of executing the LPA instruction cannot be improved.
lwait represents a waiting execution level, which can be determined by expression (5).
Figure SMS_2
It should be noted that, in the foregoing embodiments, the-85 dBm, the 10dB, the 0dB, and the-105 dBm are all parameters determined in advance, and in practical application, the parameter values may be adjusted correspondingly according to the network environment, which is not limited herein.
It should be noted that, in practical applications, the order of the step S105 and the step S103 is not limited, that is, after the step S102, if the internet of things device determines that the current access level is greater than or equal to the preset level, the step S103 may be executed first, then the step S105 may be executed, or the step S105 may be executed first, then the step S103 may be executed. In addition, step S105 may also be performed after step S106 when the internet of things device determines that the currently executed LPA instruction fails to execute.
After the internet of things device calculates the current execution level, the number n of times that the internet of things device corresponding to the current execution level executes the LPA instruction at most under the current access level can be determined by referring to table 1.
TABLE 1
Current execution level Up to the number n of times LPA instructions are executed
1 1
2 2
3 3
4 5
5 7
Of course, in practical applications, the data in table 1 may be adjusted according to the actual network environment, which is not limited herein.
S106, the Internet of things equipment judges whether the currently executed LPA instruction is successfully executed.
If the LPA instruction fails to execute, step S107 is executed; if the LPA instruction is executed successfully, step S108 is executed.
And S107, the internet of things equipment judges whether to re-execute the LPA instruction according to the current execution level.
If the internet of things device determines that the LPA instruction can be re-executed, step S103 is executed after step S107; if the internet of things device determines that the LPA instruction cannot be re-executed, step S104 is executed after step S107.
For example, the internet of things device may determine a first value representing the number of times the LPA instruction has been executed, the first value having an initial value of one. If the first value is smaller than n, the number of times that the most of the devices of the internet of things execute the LPA instruction under the current execution level is not reached, and at this time, the devices of the internet of things need to update the first value, that is, determine that the first value is the current first value plus one, and then re-execute the LPA instruction, that is, re-execute step S103.
If the first value is equal to n, which indicates that the number of times of maximum LPA instruction execution by the internet of things device under the current execution level has been reached, the waiting number of times of the internet of things device needs to be updated (i.e., step S104 is executed), then the current access level is recalculated (i.e., step S101 is executed), and after step S101 is executed, the internet of things device re-executes step S102 according to the recalculated access level.
In addition, in practical application, the first numerical value can be counted by setting a counter in the internet of things device.
Taking the example that the current execution level calculated by the internet of things device in step S105 is 3 as an example, after the first time the LPA instruction is executed by the internet of things device, the current execution level is calculated by the internet of things device, and the number of times that the LPA instruction is executed by the internet of things device corresponding to the execution level of 3 is 3 in table 1. Then, the internet of things device determines whether the currently executed LPA instruction is executed successfully, and when the LPA instruction is executed successfully, step S108 is executed, and when the LPA instruction is executed successfully, the current first value is 1, which is smaller than the number of times 3 of the maximum execution of the LPA instruction by the internet of things device at the current execution level, so that the internet of things device determines that the first value is the current first value plus one, i.e. the first value is updated to be 2, and then the LPA instruction is executed again, i.e. the LPA instruction is executed for the second time. After the LPA instruction is executed for the second time, the Internet of things device needs to determine whether the currently executed LPA instruction is executed successfully again, if so, step S108 is executed, and if not, the first numerical value is 2, which is smaller than the number of times 3 of the maximum execution of the LPA instruction by the Internet of things device under the current execution level, so that the Internet of things device determines that the first numerical value is the current first numerical value plus one, namely, the first numerical value is updated to be 3, and then the LPA instruction is executed again, namely, the LPA instruction is executed for the third time. After the LPA instruction is executed for the third time, the internet of things device still needs to judge whether the currently executed LPA instruction is executed successfully, if so, step S108 is executed, if not, because the first numerical value is 3 at this time and is equal to the number of times 3 that the internet of things device executes the LPA instruction at the maximum under the current execution level, which means that the number of times that the internet of things device executes the LPA instruction at the maximum under the current execution level has been reached at this time, the waiting times of the internet of things device need to be updated, the current access level is recalculated, and then step S102 is executed again according to the recalculated access level.
S108, the Internet of things equipment is communicated with the trigger server.
The communication manner between the internet of things device and the trigger server after the successful execution of the LPA instruction may refer to the related description of the remote management method for the e-SIM card in the foregoing description, which is not repeated here.
In summary, according to the communication method provided by the application, conditions are added for the internet of things equipment to execute the LPA instruction, so that when a large number of internet of things equipment in the same cell simultaneously initiate the request for executing the LPA instruction, the server of the cell only needs to process the request for executing the LPA instruction, which is initiated by the internet of things equipment and meets the preset conditions. Therefore, compared with the communication method of the internet of things equipment and the trigger server in the prior art, the communication method provided by the application can reduce the signaling load of the cell network when a large number of internet of things equipment in the same cell initiates the LPA instruction executing request at the same time, avoid the occurrence of congestion, and further ensure that the cell service can be normally carried out. In addition, under the condition that the preset condition is met, the internet of things device executes the LPA instruction to interact with the trigger server, and confirms the operation type according to the interaction information, so that when corresponding operation is performed, the operation efficiency of the internet of things device for downloading, activating, inquiring or deleting the profile is improved due to the fact that the signaling load of the cell network is reduced.
In summary, as shown in fig. 6, step S101 in fig. 5 may be replaced with S1011-S1012:
s1011, the Internet of things equipment acquires the waiting times, the network environment quality parameters and the network state level of the Internet of things equipment at the current moment.
And S1012, the Internet of things equipment calculates the current access level according to the waiting times, the network environment quality parameters and the network state level.
As shown in fig. 6, step S105 in fig. 5 may be replaced with S1051 to S1052:
s1051, the Internet of things equipment acquires the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio of the Internet of things equipment at the current moment.
S1052, the Internet of things equipment calculates the current execution level according to the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio.
As shown in fig. 6, step S104 in fig. 5 may be replaced with S1041-S1042:
s1041, the Internet of things equipment determines that the waiting times of the Internet of things equipment are the current waiting times plus one.
S1042, the Internet of things device starts a preset timer.
The duration of the preset timer is the preset duration, and after the preset duration is over, step S101 is executed.
As shown in fig. 6, step S107 in fig. 5 may be replaced with S1071-S1073:
S1071, the internet of things device determines a first numerical value.
S1072, the Internet of things device judges the first numerical value and the size of n.
When the first value is smaller than n, step S1073 is performed; when the first value is equal to n, step S104 is performed.
S1073, the Internet of things device determines that the first value is the current first value plus one.
After step S1073, step S103 is performed.
As shown in fig. 7, the embodiment of the present application further provides a communication device 03, where the communication device 03 may be disposed on an internet of things device in the communication system shown in fig. 3, and the communication device 03 includes: a calculation module 31, a judgment module 32 and a processing module 33.
Wherein, the calculating module 31 executes S101 in the above method embodiment, the judging module 32 executes S102 in the above method embodiment, and the processing module 33 executes S103 in the above method embodiment.
Specifically, the calculating module 31 is configured to calculate a current access level, where the current access level is used to characterize a priority of communication between the internet of things device and the trigger server at a current moment; the triggering server records the operation type of the configuration file of the electronic card in the Internet of things equipment;
the judging module 32 is configured to execute step a: judging whether the current access level calculated by the calculation module 31 is smaller than a preset level;
The processing module 33 is configured to execute the LPA instruction when the judging module 32 judges that the current access level is greater than or equal to the preset level.
Optionally, the processing module 33 is further configured to determine that the number of waiting times of the internet of things device is the current number of waiting times plus one, and the initial value of the number of waiting times of the internet of things device is zero when the judging module 32 judges that the current access level is less than the preset level;
the judging module 32 is further configured to recalculate the current access level by the calculating module 31, and execute the step a according to the access level recalculated by the calculating module 31.
Optionally, the calculating module 31 is further configured to calculate a current execution level, where the current execution level is used to characterize that, under the current access level calculated by the calculating module 31, the equipment of the internet of things executes the LPA instruction n times at most, where n is greater than or equal to 1;
the judging module 32 is further configured to perform step B: judging whether the currently executed LPA instruction is successfully executed or not;
the processing module 33 is further configured to re-execute the LPA instruction according to the current execution level if the judging module 32 judges that the LPA instruction fails to execute;
the processing module 33 is further configured to communicate with the trigger server if the judging module 32 judges that the LPA instruction is executed successfully.
Optionally, the processing module 33 is specifically configured to:
Determining a first value, the first value representing the number of times the LPA instruction has been executed, the first value having an initial value of one;
if the first value is less than n, determining that the first value is the current first value plus one, re-executing the LPA instruction, and executing step B by the determination module 32;
if the first numerical value is equal to n, determining that the waiting times of the Internet of things equipment are the current waiting times plus one, and the initial value of the waiting times of the Internet of things equipment is zero; the current access level is recalculated by the calculating module 31, and the step a is executed by the judging module 32 according to the access level recalculated by the calculating module 31.
Optionally, the judging module 32 is specifically configured to:
starting a preset timer, wherein the duration of the preset timer is the preset duration;
and after the preset time period is over, recalculating the access grade of the Internet of things equipment through the calculation module 31, and executing the step A according to the access grade recalculated by the calculation module 31.
Optionally, the calculating module 31 is specifically configured to:
acquiring the waiting times, network environment quality parameters and network state grades of the Internet of things equipment at the current moment; the network environment quality parameters include at least: received signal strength indication, reference signal received power, reference signal transmitted power, and signal transmission path loss; the network state grade is used for representing whether the Internet of things equipment is accessed to a network through a preset number at the current moment;
And calculating the current access grade according to the waiting times of the Internet of things equipment at the current moment, the network environment quality parameters and the network state grade.
Optionally, the computing module 31 is further specifically configured to:
acquiring the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio of the Internet of things equipment at the current moment;
and calculating the current execution level according to the waiting times of the Internet of things equipment at the current moment, the reference signal receiving power and the signal-to-interference-plus-noise ratio.
Optionally, the communication device 03 further comprises a memory module. The storage module is used for storing program codes and the like of the communication device 03.
As shown in fig. 8, the embodiment of the present application further provides a communication device, including a memory 41, a processor 42, a bus 43, and a communication interface 44; the memory 41 is used for storing computer-executable instructions, and the processor 42 is connected with the memory 41 through the bus 43; when the communication apparatus is operated, the processor 42 executes computer-executable instructions stored in the memory 41 to cause the communication apparatus to perform the communication method applied to the communication system including the internet of things device and the trigger server as provided in the above-described embodiment.
In a particular implementation, as one embodiment, the processors 42 (42-1 and 42-2) may include one or more central processing units (central processing unit, CPU), such as CPU0 and CPU1 shown in FIG. 8. And as one example the communication device may include a plurality of processors 42, such as processor 42-1 and processor 42-2 shown in fig. 8. Each of these processors 42 may be a single-core processor (single-CPU) or a multi-core processor (multi-CPU). The processor 42 herein may refer to one or more devices, circuits, and/or processing cores for processing data (e.g., computer program instructions).
The memory 41 may be, but is not limited to, a read-only memory 41 (ROM) or other type of static storage device that can store static information and instructions, a random access memory (random access memory, RAM) or other type of dynamic storage device that can store information and instructions, or an electrically erasable programmable read-only memory (electrically erasable programmable read-only memory, EEPROM), a compact disc read-only memory (compact disc read-only memory) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, blu-ray disc, etc.), magnetic disk storage media or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. The memory 41 may be stand alone and be coupled to the processor 42 via a bus 43. Memory 41 may also be integrated with processor 42.
In a specific implementation, the memory 41 is used for storing data in the application and computer-executable instructions corresponding to executing a software program of the application. The processor 42 may communicate various functions of the device by running or executing software programs stored in the memory 41 and invoking data stored in the memory 41.
The communication interface 44 uses any transceiver-like device for communicating with other devices or communication networks, such as a control system, a radio access network (radio access network, RAN), a wireless local area network (wireless local area networks, WLAN), etc. The communication interface 44 may include a receiving unit to implement a receiving function and a transmitting unit to implement a transmitting function.
Bus 43 may be an industry standard architecture (industry standard architecture, ISA) bus, an external device interconnect (peripheral component interconnect, PCI) bus, or an extended industry standard architecture (extended industry standard architecture, EISA) bus, among others. The bus 43 may be classified into an address bus, a data bus, a control bus, and the like. For ease of illustration, only one thick line is shown in fig. 8, but not only one bus or one type of bus.
As an example, in connection with fig. 7, the processing module in the communication device performs the same function as the processor in fig. 8, and the memory module in the communication device performs the same function as the memory in fig. 8.
The explanation of the related content in this embodiment may refer to the above method embodiment, and will not be repeated here.
From the foregoing description of the embodiments, it will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of functional modules is illustrated, and in practical application, the above-described functional allocation may be implemented by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to implement all or part of the functions described above. The specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, which are not described herein.
The embodiment of the application also provides a computer readable storage medium, in which instructions are stored, which when executed by a computer, cause the computer to execute the communication method provided in the above embodiment and applied to a communication system including an internet of things device and a trigger server.
The computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the computer-readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a RAM, a ROM, an erasable programmable read-only memory (erasable programmable read only memory, EPROM), a register, a hard disk, an optical fiber, a CD-ROM, an optical storage device, a magnetic storage device, or any suitable combination of the foregoing, or any other form of computer readable storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an application specific integrated circuit (application specific integrated circuit, ASIC). In the context of the present application, a computer-readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The foregoing is merely a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (14)

1. The communication method is characterized by being applied to a communication system comprising an Internet of things device and a trigger server, wherein the trigger server records the operation type of a configuration file of an electronic card in the Internet of things device, and the communication method comprises the following steps:
acquiring the waiting times, network environment quality parameters and network state grades of the Internet of things equipment at the current moment; the network environment quality parameters at least comprise: received signal strength indication, reference signal received power, reference signal transmitted power, and signal transmission path loss; the network state grade is used for representing whether the Internet of things equipment is accessed to a network through a preset number at the current moment;
calculating the current access grade according to the waiting times, the network environment quality parameters and the network state grade; the current access level is used for representing the communication priority of the Internet of things equipment and the trigger server at the current moment;
Step A: judging whether the current access level is smaller than a preset level or not;
and executing the LPA instruction when the current access level is greater than or equal to the preset level.
2. The communication method according to claim 1, characterized in that the communication method further comprises:
when the current access level is smaller than the preset level, determining that the waiting times of the Internet of things equipment are the current waiting times plus one, wherein the initial value of the waiting times of the Internet of things equipment is zero; and (C) recalculating the current access grade, and executing the step A according to the recalculated access grade.
3. The communication method according to claim 1, characterized in that the communication method further comprises:
calculating a current execution level, wherein the current execution level is used for representing that the equipment of the Internet of things executes the LPA instruction for n times at most under the current access level, and n is more than or equal to 1;
and (B) step (B): judging whether the LPA instruction which is executed currently is executed successfully or not;
if the LPA instruction fails to execute, re-executing the LPA instruction according to the current execution level;
and if the LPA instruction is successfully executed, communicating with the trigger server.
4. The communication method according to claim 3, wherein re-executing the LPA instruction according to the current execution level if the LPA instruction fails to execute, comprises:
Determining a first value representing a number of times the LPA instruction has been executed, an initial value of the first value being one;
if the first value is smaller than n, determining that the first value is the current first value plus one, re-executing the LPA instruction, and executing the step B;
if the first numerical value is equal to n, determining that the waiting times of the Internet of things equipment are the current waiting times plus one, and the initial value of the waiting times of the Internet of things equipment is zero; and (C) recalculating the current access grade, and executing the step A according to the recalculated access grade.
5. The communication method according to claim 2 or 4, wherein the recalculating the current access class and performing the step a according to the recalculated access class comprises:
starting a preset timer, wherein the duration of the preset timer is a preset duration;
and B, after the preset time period is over, recalculating the access grade of the Internet of things equipment, and executing the step A according to the recalculated access grade.
6. A communication method according to claim 3 or 4, wherein said calculating the current execution level comprises:
Acquiring the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio of the Internet of things equipment at the current moment;
and calculating the current execution level according to the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio.
7. The communication device is characterized by being applied to a communication system comprising an internet of things device and a trigger server, wherein the trigger server records the operation type of a configuration file of an electronic card in the internet of things device, and the communication device comprises: the device comprises a calculation module, a judgment module and a processing module;
the computing module is used for acquiring the waiting times, the network environment quality parameters and the network state level of the Internet of things equipment at the current moment; the network environment quality parameters at least comprise: received signal strength indication, reference signal received power, reference signal transmitted power, and signal transmission path loss; the network state grade is used for representing whether the Internet of things equipment is accessed to a network through a preset number at the current moment;
the calculation module is further configured to calculate a current access class according to the waiting times, the network environment quality parameter, and the network state class; the current access level is used for representing the communication priority of the Internet of things equipment and the trigger server at the current moment;
The judging module is configured to execute step a: judging whether the current access grade calculated by the calculation module is smaller than a preset grade or not;
and the processing module is used for executing the LPA instruction when the judging module judges that the current access grade is greater than or equal to the preset grade.
8. The communication device of claim 7, wherein the communication device is configured to,
the processing module is further configured to determine that the number of waiting times of the internet of things device is one plus the current number of waiting times when the judging module judges that the current access level is less than the preset level, and the initial value of the number of waiting times of the internet of things device is zero;
and the judging module is also used for recalculating the current access grade through the calculating module and executing the step A according to the access grade recalculated by the calculating module.
9. The communication device of claim 7, wherein the communication device is configured to,
the computing module is further used for computing a current execution level, wherein the current execution level is used for representing that the equipment of the Internet of things executes the LPA instruction n times at most under the current access level computed by the computing module, and n is more than or equal to 1;
the judging module is further configured to execute step B: judging whether the LPA instruction which is executed currently is executed successfully or not;
The processing module is further configured to re-execute the LPA instruction according to the current execution level if the judging module judges that the LPA instruction fails to execute;
the processing module is further configured to communicate with the trigger server if the judging module judges that the LPA instruction is executed successfully.
10. The communication device according to claim 9, wherein the processing module is specifically configured to:
determining a first value representing a number of times the LPA instruction has been executed, an initial value of the first value being one;
if the first value is smaller than n, determining that the first value is the current first value plus one, re-executing the LPA instruction, and executing the step B through the judging module;
if the first numerical value is equal to n, determining that the waiting times of the Internet of things equipment are the current waiting times plus one, and the initial value of the waiting times of the Internet of things equipment is zero; and C, recalculating the current access grade through the calculation module, and executing the step A through the judgment module according to the access grade recalculated by the calculation module.
11. The communication device according to claim 8 or 10, wherein the determining module is specifically configured to:
Starting a preset timer, wherein the duration of the preset timer is a preset duration;
and B, after the preset duration is over, recalculating the access grade of the Internet of things equipment through the calculation module, and executing the step A according to the access grade recalculated by the calculation module.
12. The communication device according to claim 9 or 10, wherein the computing module is further specifically configured to:
acquiring the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio of the Internet of things equipment at the current moment;
and calculating the current execution level according to the waiting times, the reference signal receiving power and the signal-to-interference-plus-noise ratio.
13. A communication device comprising a memory, a processor, a bus, and a communication interface; the memory is used for storing computer execution instructions, and the processor is connected with the memory through the bus;
when the communication device is running, the processor executes the computer-executable instructions stored in the memory to cause the communication device to perform the communication method of any one of claims 1-6.
14. A computer readable storage medium having instructions stored therein, which when executed by a computer, cause the computer to perform the communication method of any of claims 1-6.
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