CN112866955A - Network access control method and device, Internet of things terminal and communication system - Google Patents

Network access control method and device, Internet of things terminal and communication system Download PDF

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Publication number
CN112866955A
CN112866955A CN201911178058.4A CN201911178058A CN112866955A CN 112866955 A CN112866955 A CN 112866955A CN 201911178058 A CN201911178058 A CN 201911178058A CN 112866955 A CN112866955 A CN 112866955A
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internet
things
terminal
mobile network
access control
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王文治
郭靓
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China Telecom Corp Ltd
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China Telecom Corp 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/02—Access restriction performed under specific conditions
    • H04W48/04—Access restriction performed under specific conditions based on user or terminal location or mobility data, e.g. moving direction, speed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • 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

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The disclosure provides a network access control method and device, an Internet of things terminal and a communication system. The method comprises the steps that a network access control device detects the signal quality of an internet of things terminal and the moving speed and acceleration of the internet of things terminal under the condition that the internet of things terminal is accessed into the internet of things; if the signal quality of the terminal of the Internet of things is smaller than a preset signal quality threshold, the moving speed of the terminal of the Internet of things is larger than a first preset speed threshold, and the acceleration of the terminal of the Internet of things is larger than a preset acceleration threshold, sending a number writing request to the Internet of things side; and after receiving the mobile network subscription data issued by the Internet of things side, the eSIM card in the Internet of things terminal accesses the mobile network by using the mobile network subscription data. The method and the device can ensure that the terminal of the Internet of things can be accessed to the network in the high-speed moving process, so that the terminal of the Internet of things can be positioned and tracked in a high-speed moving scene.

Description

Network access control method and device, Internet of things terminal and communication system
Technical Field
The disclosure relates to the field of internet of things, and in particular to a network access control method and device, an internet of things terminal and a communication system.
Background
The industrial chain of the internet of things comprises four links: (1) the chip/terminal with the highest gold content is the baseband chip, and the chip drives a plurality of module and terminal manufacturers. (2) The Network and the wide Area Network (cellular/NB-IOT (Narrow Band Internet of Things)/eMTC (Enhanced Machine Type Communication)) are mainly deployed in an authorized frequency Band by an operator, Lora (Long Range, Long distance) is deployed in an unauthorized frequency Band and can be deployed in a relatively independent Area, and Local Area connections such as WLAN (Wireless Local Area Network)/bluetooth/Zigbee are mostly applied in home/business scenarios. (3) And the platform enables, and functions of equipment management, connection management, safety management, application enabling, service analysis and the like are realized. (4) Integration/application and data operation, and particularly sinking to specific industries and application scenes, and completing software and hardware configuration of the internet of things and continuous operation. The value of the internet of things industry is over trillion dollar scale. IDC (Internet Data Center) is expected to increase the size of the global Internet of things market from 6558 billion dollars in 2014 to 1.7 trillion dollars (card 17%) by 2020. The industrial scale of the Internet of things in China has been increased from 1700 billions in 2009 to 9300 billions in 2016, and 1.5 trillion yuan is expected to be broken through in 2020.
The internet of things terminal has the advantages of long and complex industrial chain, various terminal types, serious fragmentation and overall dumbbell shape.
The inventor finds that in the current network environment, the terminal of the internet of things cannot log in the network in the high-speed moving process, so that the service of the internet of things is interrupted. Through analysis of failure causes, in R13, NB-IoT does not support network switching in a mobile state, only supports network reselection in an idle state, in R14 version, NB-IoT supports network switching in a mobile state, but only supports network switching at a certain rate, and when the moving speed of an Internet of things terminal is greater than 60KM/H, the terminal and the NB-IoT network are disconnected, so that the Internet of things service is interrupted.
Disclosure of Invention
The present disclosure provides a scheme for ensuring that an internet of things terminal can access a network during a high-speed movement.
According to a first aspect of the embodiments of the present disclosure, there is provided a network access control method, including: under the condition that an Internet of things terminal is accessed into the Internet of things, detecting the signal quality of the Internet of things terminal and the moving speed and acceleration of the Internet of things terminal; if the signal quality of the terminal of the Internet of things is smaller than a preset signal quality threshold, the moving speed of the terminal of the Internet of things is larger than a first preset speed threshold, and the acceleration of the terminal of the Internet of things is larger than a preset acceleration threshold, sending a number writing request to the Internet of things side; and after receiving the mobile network subscription data issued by the Internet of things side, the embedded user identity identification eSIM card in the Internet of things terminal accesses the mobile network by using the mobile network subscription data.
In some embodiments, after accessing a mobile network using the mobile network subscription data, the method further comprises: detecting whether the moving speed of the terminal of the Internet of things is smaller than a second preset threshold or not; if the moving speed of the terminal of the Internet of things is smaller than a second preset threshold, inquiring the current network environment; and preferentially accessing the network to the Internet of things with the network performance meeting the preset conditions according to the query result.
In some embodiments, after preferentially accessing to the internet of things whose network performance meets the preset condition according to the query result, the method further includes: and synchronizing the mobile network subscription data to a special home location register M-HLR of the Internet of things.
In some embodiments, the mobile network subscription data is an international mobile subscriber identity, IMSI.
In some embodiments, the signal quality of the internet of things terminal includes reference signal received power RSRP and signal to interference plus noise ratio SINR.
According to a second aspect of the embodiments of the present disclosure, there is provided a network access control apparatus, including: the detection module is configured to detect the signal quality of the terminal of the Internet of things, and the moving speed and the acceleration of the terminal of the Internet of things under the condition that the terminal of the Internet of things is accessed into the Internet of things; the number writing request module is configured to send a number writing request to the Internet of things side if the signal quality of the Internet of things terminal is smaller than a preset signal quality threshold, the moving speed of the Internet of things terminal is larger than a first preset speed threshold, and the acceleration of the Internet of things terminal is larger than a preset acceleration threshold; and the access control module is configured to access a mobile network by using the mobile network subscription data after the embedded subscriber identity module (eSIM) card in the terminal of the Internet of things receives the mobile network subscription data issued by the Internet of things side.
In some embodiments, the detection module is further configured to detect whether the moving speed of the terminal of the internet of things is less than a second preset threshold after the access control module accesses the mobile network by using the mobile network subscription data; the access control module is also configured to query the current network environment if the moving speed of the terminal of the internet of things is smaller than a second preset threshold, and preferentially access the internet of things with the network performance meeting the preset conditions according to the query result.
In some embodiments, the above apparatus further comprises: and the synchronization module is configured to synchronize the mobile network subscription data to the special home location register M-HLR of the Internet of things after the access control module is accessed to the Internet of things with the network performance meeting the preset conditions.
In some embodiments, the mobile network subscription data is an international mobile subscriber identity, IMSI.
In some embodiments, the signal quality of the internet of things terminal includes reference signal received power RSRP and signal to interference plus noise ratio SINR.
According to a third aspect of the embodiments of the present disclosure, there is provided a network access control apparatus, including: a memory configured to store instructions; a processor coupled to the memory, the processor configured to perform a method implementing any of the embodiments described above based on instructions stored by the memory.
According to a fourth aspect of the embodiments of the present disclosure, there is provided an internet of things terminal, including the network access control device according to any of the embodiments.
According to a fifth aspect of the embodiments of the present disclosure, a communication system is provided, including the terminal of the internet of things as described in any of the embodiments above, and an internet of things-side device configured to send a number writing request sent by the terminal of the internet of things to a remote management platform; and the remote management platform is configured to send corresponding mobile network subscription data to the embedded user identity identification (eSIM) card of the terminal of the Internet of things according to the number writing request.
According to a sixth aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, in which computer instructions are stored, and when executed by a processor, the computer-readable storage medium implements the method according to any of the embodiments described above.
Other features of the present disclosure and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description, serve to explain the principles of the disclosure.
The present disclosure may be more clearly understood from the following detailed description, taken with reference to the accompanying drawings, in which:
fig. 1 is a flow diagram of a network access control method according to one embodiment of the present disclosure;
fig. 2 is a flow diagram of a network access control method according to another embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a network access control device according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a network access control device according to another embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a network access control device according to yet another embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of an internet of things terminal according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a communication system according to one embodiment of the present disclosure.
It should be understood that the dimensions of the various parts shown in the figures are not drawn to scale. Further, the same or similar reference numerals denote the same or similar components.
Detailed Description
Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the disclosure, its application, or uses. The present disclosure may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials and values set forth in these embodiments are to be construed as illustrative only and not as limiting unless otherwise specifically stated.
The use of the word "comprising" or "comprises" and the like in this disclosure means that the elements listed before the word encompass the elements listed after the word and do not exclude the possibility that other elements may also be encompassed.
All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
Fig. 1 is a flow chart of a network access control method according to one embodiment of the present disclosure. In some embodiments, the following network access control method steps are performed by a network access control device.
In step 101, under the condition that the terminal of the internet of things is accessed to the internet of things, the signal quality of the terminal of the internet of things, and the moving speed and the acceleration of the terminal of the internet of things are detected.
In some embodiments, the Signal quality of the terminal of the internet of things includes RSRP (reference Signal Receiving Power) and SINR (Signal to interference plus Noise Ratio).
In step 102, if the signal quality of the terminal of the internet of things is smaller than a predetermined signal quality threshold, the moving speed of the terminal of the internet of things is larger than a first predetermined speed threshold, and the acceleration of the terminal of the internet of things is larger than a predetermined acceleration threshold, a number writing request is sent to the internet of things side.
In some embodiments, after authenticating the terminal of the internet of things, the remote management platform on the internet of things side issues the corresponding mobile network subscription data to an eSIM (Embedded-SIM) card in the terminal of the internet of things.
In some embodiments, signal quality may be considered excellent with RSRP > -85dBm, SINR > 25; when the RSRP is-85 dBm to-95 dBm and the SINR is 16-25, the signal quality can be considered to be good; the signal quality is considered to be medium when the RSRP is-95 to-105 dBm and the SINR is 11-15; when the RSRP is-105 dBm to-115 dBm and the SINR is 3-10, the signal quality can be considered to be poor; at RSRP < -115 dB; when SINR <3, signal quality is considered to be extremely poor.
In step 103, after the eSIM card in the terminal of the internet of things receives the mobile network subscription data issued by the side of the internet of things, the mobile network subscription data is used to access the mobile network.
In some embodiments, the mobile network subscription data is an IMSI (International mobile subscriber Identity).
For example, when the logistics vehicle runs on a highway, the internet of things terminal cannot access the internet of things. In this case, the terminal of the internet of things obtains the 2G card number from the layer of the internet of things, and then accesses the 2G network by using the 2G card number. Therefore, the terminal of the Internet of things can be effectively accessed to the network in the process of high-speed movement.
Fig. 2 is a flow chart of a network access control method according to another embodiment of the disclosure. In some embodiments, the following network access control method steps are performed by a network access control device.
In step 201, under the condition that the terminal of the internet of things is accessed to the internet of things, the signal quality of the terminal of the internet of things, and the moving speed and the acceleration of the terminal of the internet of things are detected.
In some embodiments, the signal quality of the internet of things terminal includes RSRP and SINR.
In step 202, if the signal quality of the terminal of the internet of things is less than the predetermined signal quality threshold, the moving speed of the terminal of the internet of things is greater than the first predetermined speed threshold, and the acceleration of the terminal of the internet of things is greater than the predetermined acceleration threshold, a number writing request is sent to the internet of things side.
In some embodiments, after authenticating the terminal of the internet of things, the remote management platform on the internet of things side issues the corresponding mobile network subscription data to the eSIM card in the terminal of the internet of things.
In step 203, after the eSIM card in the terminal of the internet of things receives the mobile network subscription data issued by the side of the internet of things, the mobile network subscription data is used to access the mobile network.
In some embodiments, the mobile network subscription data is an IMSI (International mobile subscriber Identity).
In step 204, it is detected whether the moving speed of the terminal of the internet of things is smaller than a second preset threshold.
In step 205, if the moving speed of the terminal of the internet of things is less than a second preset threshold, the current network environment is queried.
In step 206, the network is preferentially accessed to the internet of things with the network performance meeting the preset conditions according to the query result.
And if the logistics are in the last kilometer distribution process, the movement speed of the Internet of things terminal is low. In this case, the terminal of the internet of things is switched to a more appropriate internet of things.
It should be noted that, in R14, it is specified that, in the process of reconnecting the internet of things terminal after disconnection, the internet of things terminal will preferentially connect to the last network accessed. In order to avoid the problems in the prior art, the network searching is carried out in the process of switching the network by the terminal of the internet of things, so that the terminal of the internet of things can be accessed into the internet of things with better network performance.
In step 207, the mobile network subscription data is synchronized to the M-HLR (M-HomeLocation Register, internet of things-specific home location Register). So as to maintain the internet of things subscription database.
Fig. 3 is a schematic structural diagram of a network access control device according to an embodiment of the present disclosure. As shown in fig. 3, the network access control device includes a detection module 31, a number writing request module 32, and an access control module 33.
The detection module 31 is configured to detect the signal quality of the terminal of the internet of things, and the moving speed and the acceleration of the terminal of the internet of things in the case that the terminal of the internet of things accesses the internet of things.
In some embodiments, the signal quality of the internet of things terminal includes RSRP and SINR.
The number writing request module 32 is configured to send a number writing request to the internet of things side if the signal quality of the internet of things terminal is less than a predetermined signal quality threshold, the moving speed of the internet of things terminal is greater than a first predetermined speed threshold, and the acceleration of the internet of things terminal is greater than a predetermined acceleration threshold.
In some embodiments, after authenticating the terminal of the internet of things, the remote management platform on the internet of things side issues the corresponding mobile network subscription data to the eSIM card in the terminal of the internet of things.
The access control module 33 is configured to access the mobile network by using the mobile network subscription data after the embedded subscriber identity module eSIM card in the terminal of the internet of things receives the mobile network subscription data issued by the internet of things side.
In some embodiments, the mobile network subscription data is an IMSI.
In some embodiments, the detection module 31 is further configured to detect whether the moving speed of the terminal of the internet of things is less than a second preset threshold after the access control module 33 accesses the mobile network by using the mobile network subscription data. The access control module 33 is further configured to query the current network environment if the moving speed of the terminal of the internet of things is less than a second preset threshold, and preferentially access the internet of things with network performance meeting a preset condition according to a query result.
Fig. 4 is a schematic structural diagram of a network access control device according to another embodiment of the present disclosure.
Fig. 4 differs from fig. 3 in that in the embodiment shown in fig. 4, the network access control device further comprises a synchronization module 34.
The synchronization module 34 is configured to synchronize the mobile network subscription data to the internet of things-specific home location register M-HLR after the access control module 33 accesses the internet of things whose network performance satisfies a preset condition.
Fig. 5 is a schematic structural diagram of a network access control device according to another embodiment of the present disclosure. As shown in fig. 5, the network access control device includes a memory 51 and a processor 52.
The memory 51 is used to store instructions. The processor 52 is coupled to the memory 51. The processor 52 is configured to perform a method as referred to in any of the embodiments of fig. 1 or fig. 2 based on instructions stored by the memory.
As shown in fig. 5, the network access control apparatus further includes a communication interface 53 for information interaction with other devices. Meanwhile, the device also comprises a bus 54, and the processor 52, the communication interface 53 and the memory 51 are communicated with each other through the bus 54.
The Memory 51 may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM). Such as at least one disk storage. The memory 51 may also be a memory array. The storage 51 may also be partitioned and the blocks may be combined into virtual volumes according to certain rules.
Further, the processor 52 may be a central processing unit, or may be an ASIC (Application Specific Integrated Circuit), or one or more Integrated circuits configured to implement embodiments of the present disclosure.
The present disclosure also provides a computer-readable storage medium. The computer-readable storage medium stores computer instructions, which when executed by the processor implement a method according to any one of the embodiments of fig. 1 or fig. 2.
Fig. 6 is a schematic structural diagram of an internet of things terminal according to an embodiment of the present disclosure. As shown in fig. 6, the internet of things terminal 61 includes a network access control device 62 therein. The network access control device 62 is the network access control device according to any of the embodiments of fig. 3-5.
Fig. 7 is a schematic structural diagram of a communication system according to one embodiment of the present disclosure. As shown in fig. 7, the communication system includes an internet of things terminal 71, an internet of things side device 72, and a remote management platform 73. The internet of things terminal 71 is the internet of things terminal related to any one of the embodiments in fig. 6.
The internet of things side device 72 is configured to send a number writing request sent by the internet of things terminal to the remote management platform. The remote management platform 73 is configured to send corresponding mobile network subscription data to the embedded subscriber identity module eSIM card of the terminal of the internet of things according to the number writing request, so as to complete the number writing process.
Through implementing this disclosure, can obtain following beneficial effect:
1. the utility model discloses be applicable to wisdom city system, this openly solved the network fault problem of thing networking terminal in the scene is removed at a high speed, avoided the stolen unable problem of following up of commodity circulation parcel in the transportation and thing networking terminal, improved wisdom city's perceptibility.
2. In a future intelligent logistics system, more NB-IoT terminals are applied to logistics, the supervision and positioning of logistics terminals are problems which need to be solved urgently, the real-time tracking and monitoring of logistics terminals can be really realized only by ensuring smooth network, the benefits of users and enterprises are ensured, and the safety of the whole Internet of things industry is maintained.
In some embodiments, the functional modules may be implemented as a general purpose Processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA), or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware components, or any suitable combination thereof for performing the functions described in this disclosure.
So far, embodiments of the present disclosure have been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that various changes may be made in the above embodiments or equivalents may be substituted for elements thereof without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims (14)

1. A network access control method, comprising:
under the condition that an Internet of things terminal is accessed into the Internet of things, detecting the signal quality of the Internet of things terminal and the moving speed and acceleration of the Internet of things terminal;
if the signal quality of the terminal of the Internet of things is smaller than a preset signal quality threshold, the moving speed of the terminal of the Internet of things is larger than a first preset speed threshold, and the acceleration of the terminal of the Internet of things is larger than a preset acceleration threshold, sending a number writing request to the Internet of things side;
and after receiving the mobile network subscription data issued by the Internet of things side, the embedded user identity identification eSIM card in the Internet of things terminal accesses the mobile network by using the mobile network subscription data.
2. The method of claim 1, wherein after subscribing to a mobile network using the mobile network for data access, further comprising:
detecting whether the moving speed of the terminal of the Internet of things is smaller than a second preset threshold or not;
if the moving speed of the terminal of the Internet of things is smaller than a second preset threshold, inquiring the current network environment;
and preferentially accessing the network to the Internet of things with the network performance meeting the preset conditions according to the query result.
3. The method of claim 2, wherein after preferentially accessing to the internet of things with network performance meeting a preset condition according to the query result, the method further comprises:
and synchronizing the mobile network subscription data to a special home location register M-HLR of the Internet of things.
4. The method of claim 1, wherein,
the mobile network subscription data is an International Mobile Subscriber Identity (IMSI).
5. The method of any one of claims 1-4,
the signal quality of the terminal of the Internet of things comprises Reference Signal Received Power (RSRP) and signal to interference plus noise ratio (SINR).
6. A network access control device, comprising:
the detection module is configured to detect the signal quality of the terminal of the Internet of things, and the moving speed and the acceleration of the terminal of the Internet of things under the condition that the terminal of the Internet of things is accessed into the Internet of things;
the number writing request module is configured to send a number writing request to the Internet of things side if the signal quality of the Internet of things terminal is smaller than a preset signal quality threshold, the moving speed of the Internet of things terminal is larger than a first preset speed threshold, and the acceleration of the Internet of things terminal is larger than a preset acceleration threshold;
and the access control module is configured to access a mobile network by using the mobile network subscription data after the embedded subscriber identity module (eSIM) card in the terminal of the Internet of things receives the mobile network subscription data issued by the Internet of things side.
7. The apparatus of claim 6, wherein,
the detection module is also configured to detect whether the moving speed of the internet of things terminal is less than a second preset threshold after the access control module accesses the mobile network by using the mobile network subscription data;
the access control module is also configured to query the current network environment if the moving speed of the terminal of the internet of things is smaller than a second preset threshold, and preferentially access the internet of things with the network performance meeting the preset conditions according to the query result.
8. The apparatus of claim 7, further comprising:
and the synchronization module is configured to synchronize the mobile network subscription data to the special home location register M-HLR of the Internet of things after the access control module is accessed to the Internet of things with the network performance meeting the preset conditions.
9. The apparatus of claim 6, wherein,
the mobile network subscription data is an International Mobile Subscriber Identity (IMSI).
10. The apparatus of any one of claims 6-9,
the signal quality of the terminal of the Internet of things comprises Reference Signal Received Power (RSRP) and signal to interference plus noise ratio (SINR).
11. A network access control device, comprising:
a memory configured to store instructions;
a processor coupled to the memory, the processor configured to perform implementing the method of any of claims 1-5 based on instructions stored by the memory.
12. An internet of things terminal comprising the network access control device of any one of claims 6-11.
13. A communication system comprising the internet of things terminal of claim 12, and
the Internet of things side equipment is configured to send a number writing request sent by the Internet of things terminal to a remote management platform;
and the remote management platform is configured to send corresponding mobile network subscription data to the embedded user identity identification (eSIM) card of the terminal of the Internet of things according to the number writing request.
14. A computer-readable storage medium, wherein the computer-readable storage medium stores computer instructions which, when executed by a processor, implement the method of any one of claims 1-5.
CN201911178058.4A 2019-11-27 2019-11-27 Network access control method and device, Internet of things terminal and communication system Pending CN112866955A (en)

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CN110300435A (en) * 2019-05-21 2019-10-01 努比亚技术有限公司 A kind of communication pattern switching method, terminal and computer readable storage medium

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Application publication date: 20210528