CN113411863B - Network access method, user terminal and communication system - Google Patents

Network access method, user terminal and communication system Download PDF

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Publication number
CN113411863B
CN113411863B CN202010180773.8A CN202010180773A CN113411863B CN 113411863 B CN113411863 B CN 113411863B CN 202010180773 A CN202010180773 A CN 202010180773A CN 113411863 B CN113411863 B CN 113411863B
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mode
base station
networking
network
user terminal
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CN113411863A (en
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蔡博文
谢伟良
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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
    • 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
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

The disclosure provides a network access method, a user terminal and a communication system. After receiving PBCH information sent by a base station, a user terminal extracts dual-mode signal indication information from the PBCH information and determines a first networking mode indicated by the base station according to the dual-mode signal indication information; and accessing the network by using the first networking mode indicated by the base station. If the access network fails, the user terminal further accesses the network by using the second networking mode under the condition that the user terminal supports the second networking mode. The method and the device can effectively balance the dual-mode user resource allocation in the network and realize reasonable utilization of network resources.

Description

Network access method, user terminal and communication system
Technical Field
The present disclosure relates to the field of communications, and in particular, to a network access method, a user terminal, and a communication system.
Background
From the developing direction of 5G evolution, the network is built with two types, namely, Non-standard one (NSA) and SA (independent network).
In the initial stage of 5G construction, in order to accelerate the 5G deployment speed and save the base station cost, each large communication operator mostly adopts an NSA networking mode, that is, the existing base station is enabled to carry the deployment of the 5G network, the 4G and the 5G share the core network, and the control signaling is still transmitted through the 4G network. In the later 5G construction, the operator will re-deploy the brand new 5G base station, equipment terminal, etc., which means that the replacement cost is high and much effort is consumed. Since the SA networking is true 5G, it is clear that both china mobile and chinese telecommunications are mainly SA, but the SA industry chain is not mature and the technical standard is not perfect at present. In order to speed up the 5G strategy, NSA becomes the main consideration of the current three major communication operators, and SA can follow up only at a proper time. In the future of 5G, only SA networking can meet the two characteristics of high reliability, low time delay and large connection, and only SA independent networking can really drive the development of the Chinese 5G industry. China telecom determines the development strategy of NSA and SA fusion networking, and 5G base stations established at present are NSA/SA dual-mode base stations.
Disclosure of Invention
The inventor finds out through research that the dual-mode terminal which simultaneously supports the NSA/SA networking mode can only select one mode to access when accessing the dual-mode base station. After the 5G network is deployed, a large number of dual-mode terminals supporting SA/NSA simultaneously must exist in the network. If the access and switching strategy of the effective dual-mode terminal is lacked, the situation that the resources of one mode are congested and the network resources of the other mode are idle exists in the network can be caused, and the network resources are wasted.
Accordingly, the present disclosure provides a network access scheme, which can effectively balance the resource allocation of dual-mode users in a network and solve the problem that network resources cannot be reasonably utilized.
According to a first aspect of the embodiments of the present disclosure, there is provided a network access method, including: after receiving physical broadcast channel PBCH information sent by a base station, extracting dual-mode signal indication information from the PBCH information; determining a first networking mode indicated by the base station according to the dual-mode signal indication information; and accessing the network by using the first networking mode indicated by the base station.
In some embodiments, after determining the first networking mode indicated by the base station according to the dual-mode signal indication information, the method further includes: judging whether the base station supports a first networking mode indicated by the base station; and if the base station supports the first networking mode indicated by the base station, accessing the network by using the first networking mode indicated by the base station.
In some embodiments, if the first networking mode indicated by the base station is not supported by itself, the network is accessed by using a second networking mode supported by itself.
In some embodiments, after accessing the network using the first networking mode indicated by the base station, the method further comprises: if the first networking mode indicated by the base station fails to be accessed into the network, further judging whether the first networking mode supports a second networking mode different from the first networking mode indicated by the base station; and if the mobile terminal supports the second networking mode, accessing the network by using the second networking mode.
In some embodiments, the first networking mode is one of a non-independent networking NSA mode or an independent networking SA mode, and the second networking mode is the other of the non-independent networking NSA mode or the independent networking SA mode.
According to a second aspect of the embodiments of the present disclosure, there is provided a user terminal, including: the system comprises an extraction module, a sending module and a receiving module, wherein the extraction module is configured to extract dual-mode signal indication information from PBCH information after receiving the PBCH information of a physical broadcast channel sent by a base station; a mode determining module configured to determine a first networking mode indicated by the base station according to the dual-mode signal indication information; an access module configured to access a network using the first networking mode indicated by the base station.
In some embodiments, the mode determining module is further configured to determine whether the first networking mode indicated by the base station is supported by the mode determining module after determining the first networking mode indicated by the base station according to the dual-mode signal indication information; the access module is further configured to access a network by using the first networking mode indicated by the base station if the access module supports the first networking mode indicated by the base station.
In some embodiments, the access module is further configured to access the network by using a second networking mode supported by itself if the first networking mode indicated by the base station is not supported by itself.
In some embodiments, the mode determining module is further configured to determine whether the base station supports a second networking mode different from the first networking mode indicated by the base station if the base station fails to access the network in the first networking mode indicated by the base station; the access module is further configured to access the network using the second networking mode if the access module supports the second networking mode.
In some embodiments, the first networking mode is one of a non-independent networking NSA mode or an independent networking SA mode, and the second networking mode is the other of the non-independent networking NSA mode or the independent networking SA mode.
According to a third aspect of the embodiments of the present disclosure, there is provided a user terminal, 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 a communication system, including the user terminal according to any of the embodiments above, and: a base station configured to transmit PBCH information, wherein the PBCH information includes dual mode signal indication information.
In some embodiments, the dual mode signal indication information is associated with a congestion level on the network side of the different modes, wherein the congestion level corresponds to at least one of a number of connected users in the network, a delay, a signal quality and a block error rate.
According to a fifth 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 one 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 method according to one embodiment of the present disclosure;
fig. 2 is a flow diagram of a network access method according to another embodiment of the present disclosure;
fig. 3 is a flow diagram of a network access method according to yet another embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure;
fig. 5 is a schematic structural diagram of a user terminal according to another embodiment of the present disclosure;
fig. 6 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 drawings 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 diagram of a network access method according to one embodiment of the present disclosure. In some embodiments, the following network access method steps are performed by the user terminal.
In step 101, after receiving PBCH (Physical Broadcast Channel) information sent by a base station, dual mode signaling indication information is extracted from the PBCH information.
In some embodiments, 1bit of dual mode signaling indication information is set in the PBCH information. For example, if the indication information is 0, the NSA mode is indicated, and if the indication information is 1, the SA mode is indicated.
It should be noted here that the base station determines the dual-mode signaling information according to the congestion level of the network side with different modes. For example, the degree of congestion corresponds to at least one of the number of connected users in the network, the delay, the signal quality and the block error rate.
In step 102, a first networking mode indicated by the base station is determined according to the dual-mode signal indication information.
For example, the first networking mode is an NSA mode or an SA mode.
In step 103, the network is accessed using the first networking mode indicated by the base station.
In the network access method provided by the above embodiment of the present disclosure, the user terminal determines the selected networking mode by using the dual mode signaling indication information carried in the PBCH information. Because the dual-mode signal indication information is determined by the base station according to the congestion degree of the network sides in different modes, the method and the system can effectively balance the resource allocation of the dual-mode user in the network and realize the reasonable utilization of the network resources.
Fig. 2 is a flow chart diagram of a network access method according to another embodiment of the disclosure. In some embodiments, the following network access method steps are performed by the user terminal.
In step 201, after receiving PBCH information sent by a base station, dual mode signaling indication information is extracted from the PBCH information.
In some embodiments, 1bit of dual mode signaling indication information is set in the PBCH information. For example, if the indication information is 0, the NSA mode is indicated, and if the indication information is 1, the SA mode is indicated.
In step 202, a first networking mode indicated by the base station is determined according to the dual-mode signal indication information.
For example, the first networking mode is an NSA mode or an SA mode.
In step 203, it is determined whether or not the first networking mode indicated by the base station is supported by the base station.
If the first networking mode indicated by the base station is supported by the base station, executing step 204; if the first networking mode indicated by the base station is not supported by itself, step 205 is executed.
In step 204, the network is accessed using the first networking mode indicated by the base station.
In step 205, the network is accessed using the second networking mode supported by itself.
In some embodiments, the first networking mode is one of an NSA mode and an SA mode, and the second networking mode is the other of the NSA mode and the SA mode.
For example, the user terminal is a dual mode terminal. The user terminal accesses the network by using the NSA mode if the base station indicates the NSA mode according to the dual-mode signal indication information; if the base station indicates the SA mode, the network is accessed by using the SA mode.
Also for example, the user terminal is a single mode terminal. If the base station indicates the SA mode through the dual mode signaling indication information, but the user terminal only supports the NSA mode, the user terminal enters the network using the NSA mode.
Fig. 3 is a flow chart diagram of a network access method according to yet another embodiment of the present disclosure. In some embodiments, the following network access method steps are performed by the user terminal.
In step 301, after receiving PBCH information sent by the base station, dual-mode signaling indication information is extracted from the PBCH information.
In some embodiments, 1bit of dual mode signaling indication information is set in the PBCH information. For example, if the indication information is 0, the NSA mode is indicated, and if the indication information is 1, the SA mode is indicated.
In step 302, a first networking mode indicated by the base station is determined according to the dual-mode signal indication information.
For example, the first networking mode is an NSA mode or an SA mode.
In step 303, since the first networking mode indicated by the base station is supported by itself, the network is accessed by using the first networking mode indicated by the base station.
In step 304, it is detected whether the access to the network was successful.
If the access is successful, the process is exited. If the access fails, step 305 is performed.
In step 305, it is determined whether or not it supports a second networking mode different from the first networking mode indicated by the base station.
In some embodiments, the first networking mode is one of an NSA mode and an SA mode, and the second networking mode is the other of the NSA mode and the SA mode.
If the self supports the second networking mode, executing step 306; otherwise, the process is exited.
At step 306, the network is accessed using the second networking mode.
For example, the user terminal is a dual mode terminal. And the user terminal accesses the network by using the NSA mode according to the dual-mode signal indication information. If the network access fails, the user terminal accesses the network by using the SA mode. Therefore, reasonable utilization of network resources can be realized.
Fig. 4 is a schematic structural diagram of a user terminal according to an embodiment of the present disclosure. As shown in fig. 4, the user terminal includes an extraction module 41, a mode determination module 42, and an access module 43.
The extracting module 41 is configured to extract the dual mode signaling information from PBCH information after receiving the PBCH information sent by the base station.
In some embodiments, 1bit of dual mode signaling indication information is set in the PBCH information. For example, if the indication information is 0, the NSA mode is indicated, and if the indication information is 1, the SA mode is indicated.
It should be noted here that the base station determines the dual-mode signaling information according to the congestion level of the network side with different modes. For example, the degree of congestion corresponds to at least one of the number of connected users in the network, the delay, the signal quality and the block error rate.
The mode determination module 42 is configured to determine a first networking mode indicated by the base station based on the dual mode signal indication information.
For example, the first networking mode is an NSA mode or an SA mode.
The access module 43 is configured to access the network using the first networking mode indicated by the base station.
In the user terminal provided in the foregoing embodiment of the present disclosure, the user terminal determines the selected networking mode by using the dual mode signaling indication information carried in the PBCH information. Because the dual-mode signal indication information is determined by the base station according to the congestion degrees of the network sides in different modes, the method and the device can effectively balance the dual-mode user resource allocation in the network and realize the reasonable utilization of the network resources.
In some embodiments, as shown in fig. 4, the mode determining module 42 is further configured to determine whether the user terminal itself supports the first networking mode indicated by the base station after determining the first networking mode indicated by the base station according to the dual-mode signal indication information. The access module 43 is further configured to access the network using the first networking mode indicated by the base station if the user terminal itself supports the first networking mode indicated by the base station.
Furthermore, the access module 43 is further configured to access the network by using the second networking mode supported by the user terminal if the user terminal does not support the first networking mode indicated by the base station.
In some embodiments, the first networking mode is one of an NSA mode and an SA mode, and the second networking mode is the other of the NSA mode and the SA mode.
For example, the user terminal is a dual mode terminal. The user terminal accesses the network by using the NSA mode if the base station indicates the NSA mode according to the dual-mode signal indication information; if the base station indicates the SA mode, the network is accessed by using the SA mode.
Also for example, the user terminal is a single mode terminal. If the base station indicates the SA mode through the dual mode signaling indication information, but the user terminal only supports the NSA mode, the user terminal enters the network using the NSA mode.
In some embodiments, as shown in fig. 4, the mode determining module 42 is further configured to further determine whether the user terminal itself supports a second networking mode different from the first networking mode indicated by the base station, if the network access fails in the first networking mode indicated by the base station. The access module 43 is further configured to access the network using the second networking mode if the user terminal itself supports the second networking mode.
For example, the user terminal is a dual mode terminal. And the user terminal accesses the network by using the NSA mode according to the dual-mode signal indication information. If the network access fails, the user terminal accesses the network by using the SA mode. Therefore, reasonable utilization of network resources can be realized.
Fig. 5 is a schematic structural diagram of a user terminal according to another embodiment of the present disclosure. As shown in fig. 5, the user terminal 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. 1-3 based on instructions stored by the memory.
As shown in fig. 5, the user terminal further includes a communication interface 53 for information interaction with other devices. Meanwhile, the user terminal further 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, and when executed by the processor, the instructions implement the method according to any one of fig. 1-3.
Fig. 6 is a schematic structural diagram of a communication system according to one embodiment of the present disclosure. As shown in fig. 6, the communication system includes a base station 61 and a user terminal 62. The user terminal 62 is the user terminal described in any of the embodiments of fig. 4 or fig. 5.
It should be noted here that only one user terminal is shown in fig. 6 for simplicity. In practice, the base station 61 may interact with a plurality of user terminals.
The base station 61 is configured to transmit PBCH information, wherein the PBCH information includes dual mode signaling indication information to instruct the user terminal to select a corresponding networking mode.
In some embodiments, the dual mode signaling indication information is associated with a congestion level on the network side of the different modes, wherein the congestion level corresponds to at least one of a number of connected users in the network, a time delay, a signal quality, and a block error rate.
By implementing the scheme disclosed by the invention, the user terminal can be dynamically instructed to select the accessed network according to the congestion degree of the NSA/SA network, the proposed solution can effectively balance the dual-mode user resource distribution in the network, and the problem that the network resources cannot be reasonably utilized is solved.
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, 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 above examples are for 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 (13)

1. A network access method, comprising:
after receiving physical broadcast channel PBCH information sent by a base station, extracting dual-mode signal indication information from the PBCH information, wherein the dual-mode signal indication information is associated with congestion degrees of different modes of network sides, and the congestion degrees correspond to at least one of the number of connected users in a network, time delay, signal quality and block error rate;
determining a first networking mode indicated by the base station according to the dual-mode signal indication information;
and accessing the network by using the first networking mode indicated by the base station.
2. The method of claim 1, wherein after determining the first networking mode indicated by the base station according to the dual-mode signal indication information, further comprising:
judging whether the base station supports a first networking mode indicated by the base station;
and if the base station supports the first networking mode indicated by the base station, accessing the network by using the first networking mode indicated by the base station.
3. The method of claim 2, further comprising:
and if the first networking mode indicated by the base station is not supported by the base station, accessing the network by using a second networking mode supported by the base station.
4. The method of claim 2, further comprising, after accessing a network using the first networking mode indicated by the base station:
if the first networking mode indicated by the base station fails to be accessed into the network, further judging whether the first networking mode supports a second networking mode different from the first networking mode indicated by the base station;
and if the mobile terminal supports the second networking mode, accessing the network by using the second networking mode.
5. The method of claim 4, wherein,
the first networking mode is one of a non-independent networking NSA mode or an independent networking SA mode, and the second networking mode is the other one of the non-independent networking NSA mode or the independent networking SA mode.
6. A user terminal, comprising:
the system comprises an extraction module, a sending module and a receiving module, wherein the extraction module is configured to extract dual-mode signal indication information from PBCH information after receiving the PBCH information sent by a base station, the dual-mode signal indication information is associated with congestion degrees of network sides in different modes, and the congestion degrees correspond to at least one of the number of connected users in a network, time delay, signal quality and block error rate;
a mode determining module configured to determine a first networking mode indicated by the base station according to the dual-mode signal indication information;
an access module configured to access a network using the first networking mode indicated by the base station.
7. The user terminal of claim 6,
the mode determining module is also configured to determine whether the user terminal supports the first networking mode indicated by the base station after determining the first networking mode indicated by the base station according to the dual-mode signal indication information;
the access module is further configured to access the network by using the first networking mode indicated by the base station if the user terminal supports the first networking mode indicated by the base station.
8. The user terminal of claim 7,
the access module is also configured to access the network by using a second networking mode supported by the user terminal if the user terminal does not support the first networking mode indicated by the base station.
9. The user terminal of claim 7,
the mode determining module is also configured to further judge whether the user terminal supports a second networking mode different from the first networking mode indicated by the base station if the network access by the first networking mode indicated by the base station fails;
the access module is further configured to access the network using the second networking mode if the user terminal itself supports the second networking mode.
10. The user terminal of claim 9,
the first networking mode is one of a non-independent networking NSA mode or an independent networking SA mode, and the second networking mode is the other one of the non-independent networking NSA mode or the independent networking SA mode.
11. A user terminal, 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. A communication system comprising a user terminal according to any of claims 6-11, and:
the base station is configured to send PBCH information, wherein the PBCH information comprises dual-mode signal indication information, the dual-mode signal indication information is associated with congestion degrees of different modes of network sides, and the congestion degrees correspond to at least one of the number of connected users in a network, time delay, signal quality and block error rate.
13. 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.
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