CN113490183A - Network access method and base station - Google Patents
Network access method and base station Download PDFInfo
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- CN113490183A CN113490183A CN202110982670.8A CN202110982670A CN113490183A CN 113490183 A CN113490183 A CN 113490183A CN 202110982670 A CN202110982670 A CN 202110982670A CN 113490183 A CN113490183 A CN 113490183A
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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
- H04W4/50—Service provisioning or reconfiguring
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention provides a network access method and a base station, belongs to the technical field of communication, and can at least partially solve the problem of low communication service quality provided by the existing network access method. The network access method of the embodiment of the invention comprises the following steps: receiving a network access request sent by a terminal, and acquiring a frequency band used by the terminal for sending the network access request; and inquiring and acquiring an AMF corresponding to the frequency band in an AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending a network access request and the AMF used for providing the network access service for the terminal.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to a network access method and a base station.
Background
5G (5th Generation Mobile Networks, fifth Generation Mobile communication technology) is the latest Generation cellular Mobile communication technology, and is also an extension following 4G (4th Generation Mobile Networks, fourth Generation Mobile communication technology), 3G (3th Generation Mobile Networks, third Generation Mobile communication technology), 2G (2 Generation Mobile Networks, second Generation Mobile communication technology) systems, which not only has lower network delay (or faster response time), but the lowest network delay can be lower than 1 millisecond (the network delay of 4G is 30-70 milliseconds); the method also has higher data transmission rate which can reach 10Gbit/s (gigabit/second) at most and is 100 times faster than a 4G LTE (Long term evolution) cellular network.
Although the 5G is fast, the adopted electromagnetic wave is short in wavelength, so that the coverage range of the 5G base station is small, the penetration capability is poor, and compared with the 4G, the 5G needs to deploy more base stations to realize wide coverage, thereby providing higher-quality communication service for users.
Disclosure of Invention
The invention at least partially solves the problem of low communication service quality provided by the existing network access method, and provides a network access method and a base station with high communication service quality.
One aspect of the present invention provides a network access method, where the method is used in a base station that supports receiving information transmitted using different frequency bands, and the method includes:
receiving a network access request sent by a terminal, and acquiring a frequency band used by the terminal for sending the network access request;
and inquiring and acquiring an AMF corresponding to the frequency band in an AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending a network access request and the AMF used for providing the network access service for the terminal.
Optionally, the base station is a 5G base station.
Optionally, before receiving the network access request sent by the terminal, the method further includes: and establishing and maintaining an AMF corresponding table.
Further optionally, the network access request includes region information of the terminal; the AMF corresponding table comprises a corresponding relation between a frequency band used by the terminal for sending the network access request, the region information of the terminal and the AMF used for providing the network access service for the terminal.
Further optionally, the querying, at least according to the frequency band, to obtain the AMF corresponding to the frequency band in the AMF corresponding table includes: and inquiring the AMF corresponding to the frequency band in the AMF corresponding table according to the frequency band and the region information of the terminal.
Another aspect of the present invention provides a base station supporting reception of information transmitted using different frequency bands, comprising:
the terminal comprises a receiving unit, a sending unit and a receiving unit, wherein the receiving unit is used for receiving a network access request sent by the terminal and acquiring a frequency band used by the terminal for sending the network access request;
and the processing unit is used for inquiring and acquiring the AMF corresponding to the frequency band in an AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending the network access request and the AMF used for providing the network access service for the terminal.
Optionally, the base station is a 5G base station.
Optionally, the base station further includes a table making unit, configured to establish and maintain an AMF mapping table.
Further optionally, the network access request includes region information of the terminal; the AMF corresponding table comprises a corresponding relation between a frequency band used by the terminal for sending the network access request, the region information of the terminal and the AMF used for providing the network access service for the terminal.
Further optionally, the processing unit is further configured to query and obtain the AMF corresponding to the frequency band in the AMF corresponding table according to the frequency band and the region information of the terminal.
In the network access method and the base station of the embodiment of the invention, the base station can receive the information sent by the terminals of different operators by using different frequency bands, and obtains the frequency band used by the information sent by the terminal by analyzing the information sent by the terminal, and provides the network access service for the terminal by using the AMF corresponding to the frequency band, that is, one base station can serve a plurality of operators, in the case of improving the communication service quality (in the case that the number of base stations around a terminal is the same, for the terminal, if the base station uses the network access method of this embodiment, the number of base stations that can provide communication service for the terminal is greater, and therefore the communication service quality received by the terminal is higher), the cost for building the base station is also reduced (multiple operators can use one base station together, and therefore each operator does not need to build their own base station, and the cost for building the base station is naturally reduced).
Drawings
Fig. 1 is a flowchart illustrating a network access method according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating another network access method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating another network access method according to an embodiment of the present invention;
fig. 4 is a diagram illustrating another network access method according to an embodiment of the present invention;
fig. 5 is a block diagram schematically illustrating a base station according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
It is to be understood that the specific embodiments and figures described herein are merely illustrative of the invention and are not limiting of the invention.
It is to be understood that the embodiments and features of the embodiments can be combined with each other without conflict.
It is to be understood that, for the convenience of description, only parts related to the present invention are shown in the drawings of the present invention, and parts not related to the present invention are not shown in the drawings.
It should be understood that each unit and module related in the embodiments of the present invention may correspond to only one physical structure, may also be composed of multiple physical structures, or multiple units and modules may also be integrated into one physical structure.
It will be understood that, without conflict, the functions, steps, etc. noted in the flowchart and block diagrams of the present invention may occur in an order different from that noted in the figures.
It is to be understood that the flowchart and block diagrams of the present invention illustrate the architecture, functionality, and operation of possible implementations of systems, apparatus, devices and methods according to various embodiments of the present invention. Each block in the flowchart or block diagrams may represent a unit, module, segment, code, which comprises executable instructions for implementing the specified function(s). Furthermore, each block or combination of blocks in the block diagrams and flowchart illustrations can be implemented by a hardware-based system that performs the specified functions or by a combination of hardware and computer instructions.
It is to be understood that the units and modules involved in the embodiments of the present invention may be implemented by software, and may also be implemented by hardware, for example, the units and modules may be located in a processor.
Example 1:
referring to fig. 1, the present embodiment provides a network access method for a base station.
The base station of the present embodiment is a base station that supports receiving information transmitted using different frequency bands.
The frequency band refers to a frequency range of electromagnetic waves carrying information sent by the terminal, and different operators use different frequency bands to provide communication network services for the terminal.
Because the base station of this embodiment supports receiving information transmitted using different frequency bands, the base station of this embodiment can simultaneously receive information transmitted using different frequency bands by a plurality of terminals, and establish connection with the plurality of terminals through different frequency bands; and the connection can also be established with AMF (Access and Mobility Management Function)/SMF (Session Management Function) of different operators through different frequency bands.
The network access method of the embodiment specifically includes:
s101, receiving a network access request sent by a terminal, and acquiring a frequency band used by the terminal for sending the network access request.
The base station receives a network access request sent by a UE (terminal), such as a mobile phone, and analyzes the received network access request to acquire a frequency band used by the terminal to send the network access request.
The network access request refers to information sent by the terminal for requesting access to the communication network.
S102, inquiring and acquiring the AMF corresponding to the frequency band in an AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending the network access request and the AMF used for providing the network access service for the terminal.
After acquiring the frequency band used by the network access request sent by the terminal, the base station queries and acquires the AMF of the operator corresponding to the frequency band in the AMF corresponding table according to the frequency band used by the network access request sent by the terminal, and provides network access service for the terminal through the AMF, so that the terminal can complete the subsequent communication flow.
The AMF correspondence table may be a table stored in the base station and recording a correspondence between a frequency band and an AMF, that is, a correspondence between a frequency band used by a terminal of each large operator to send information to the base station and the AMF of the operator, and the base station may obtain the AMF of the operator corresponding to the frequency band by querying in the AMF correspondence table, with the frequency band used by the terminal to send the network access request as an index.
Compared with the prior art in which a base station can only receive information transmitted by using a fixed specific frequency band (i.e. the base station can only receive the access of a terminal of a certain operator in the prior art), and one base station can only serve one operator, the network access method of the embodiment can receive information transmitted by terminals of different operators by using different frequency bands (the terminals of the operators in the same region can use different frequency bands to transmit information in order to avoid interference), and acquire the frequency band used by the terminal to transmit the information by analyzing the information transmitted by the terminal, and provide network access service for the terminal by using the AMF corresponding to the frequency band, that is, one base station can serve multiple operators, and under the condition that the communication service quality is improved (under the condition that the number of the base stations around one terminal is the same, for the terminal, if the base station uses the network access method of the embodiment, the number of base stations that can provide communication service for the terminal needs to be larger, and therefore the quality of communication service received by the terminal is higher), and the cost for building the base stations is also reduced (a plurality of operators can share one base station, and therefore each operator does not need to build own base station, and the cost for building the base stations is naturally reduced).
Example 2:
referring to fig. 2, the present embodiment provides another network access method for a base station.
The base station of the present embodiment is a base station that supports receiving information transmitted using different frequency bands.
The frequency band refers to a frequency range of electromagnetic waves carrying information sent by the terminal, and different operators use different frequency bands to provide communication network services for the terminal.
Because the base station of this embodiment supports receiving information transmitted using different frequency bands, the base station of this embodiment can simultaneously receive information transmitted using different frequency bands by a plurality of terminals, and establish connection with the plurality of terminals through different frequency bands; and the connection can be established with AMF/SMF of different operators through different frequency bands.
The network access method of the embodiment specifically includes:
and S200, establishing and maintaining an AMF corresponding table.
A table (i.e. an AMF corresponding table) is built and stored in the base station, and the corresponding relationship between the frequency band and the AMF is recorded in the table, i.e. the corresponding relationship between the frequency band used by the terminal of each large operator to send information to the base station and the AMF of the operator.
Of course, after the base station establishes the AMF mapping table, the base station also maintains the AMF table, and when a frequency band corresponding to an operator (i.e., a frequency band used by a terminal of the operator to send information to the base station) or the AMF of the operator changes, the base station also changes the AMF mapping table stored therein.
S201, receiving a network access request sent by a terminal, and acquiring a frequency band used by the terminal for sending the network access request.
The base station receives a network access request sent by the terminal, analyzes the received network access request and acquires a frequency band used by the terminal for sending the network access request.
S202, inquiring and acquiring the AMF corresponding to the frequency band in the AMF corresponding table according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band.
After acquiring the frequency band used by the network access request sent by the terminal, the base station queries and acquires the AMF of the operator corresponding to the frequency band according to the frequency band used by the network access request sent by the terminal in the AMF corresponding table stored on the base station, and provides network access service for the terminal through the AMF, so that the terminal can complete the subsequent communication flow.
Compared with the prior art in which a base station can only receive information transmitted by using a fixed specific frequency band (i.e. the base station can only receive the access of a terminal of a certain operator in the prior art), and one base station can only serve one operator, the network access method of the embodiment can receive information transmitted by terminals of different operators by using different frequency bands (the terminals of the operators in the same region can use different frequency bands to transmit information in order to avoid interference), and acquire the frequency band used by the terminal to transmit the information by analyzing the information transmitted by the terminal, and provide network access service for the terminal by using the AMF corresponding to the frequency band, that is, one base station can serve multiple operators, and under the condition that the communication service quality is improved (under the condition that the number of the base stations around one terminal is the same, for the terminal, if the base station uses the network access method of the embodiment, the number of base stations that can provide communication service for the terminal needs to be larger, and therefore the quality of communication service received by the terminal is higher), and the cost for building the base stations is also reduced (a plurality of operators can share one base station, and therefore each operator does not need to build own base station, and the cost for building the base stations is naturally reduced).
Example 3:
referring to fig. 3, the present embodiment provides a network access method for a base station.
The base station of the present embodiment is a base station that supports receiving information transmitted using different frequency bands.
The frequency band refers to a frequency range of electromagnetic waves carrying information sent by the terminal, and different operators use different frequency bands to provide communication network services for the terminal.
Taking 5G as an example, a 5G network has 29 frequency bands, which are mainly divided into two frequency band ranges, wherein 26 frequency bands below 6GHz (collectively referred to as Sub6GHz) and 3 millimeter wave frequency bands.
Currently, Sub6GHz is mainly used in China, and comprises 7 frequency bands of n1, n3, n28, n41, n77, n78 and n79, the n78 frequency band is used in China telecom and China Unicom, and the n41 and n79 frequency band is used in China Mobile.
Because the base station of this embodiment supports receiving information transmitted using different frequency bands, the base station of this embodiment can simultaneously receive information transmitted using different frequency bands by a plurality of terminals, and establish connection with the plurality of terminals through different frequency bands; and the connection can be established with AMF/SMF of different operators through different frequency bands.
The network access method of the embodiment specifically includes:
s300, establishing and maintaining an AMF corresponding table.
The AMF correspondence table comprises a correspondence relation between a frequency band used by the terminal to send the network access request, the region information of the terminal and the AMF used for providing the network access service for the terminal.
That is, a table (i.e., an AMF mapping table) is built and stored in the base station, and the table records the mapping relationship between the frequency band and the region information (specifically, the country information) and the AMF, that is, the mapping relationship between the frequency band used by the terminals of each global operator to transmit information to the base station and the AMF of the operator.
Of course, after the base station establishes the AMF mapping table, the base station also maintains the AMF table, and when a frequency band corresponding to a certain operator (i.e., a frequency band used by a terminal of the operator to send information to the base station) or the AMF of the certain operator changes, the base station also changes the stored AMF mapping table.
S301, receiving a network access request sent by a terminal, and acquiring a frequency band used by the terminal for sending the network access request.
The base station receives a network access request sent by the terminal, analyzes the received network access request and acquires a frequency band used by the terminal for sending the network access request.
The network access request refers to information sent by the terminal to request access to the communication network, and includes region information of the terminal, such as country information where the terminal is located.
S302, determining the AMF corresponding to the frequency band according to the frequency band and the region information of the terminal, and providing network access service for the terminal through the AMF corresponding to the frequency band.
After acquiring the frequency band used by the network access request sent by the terminal and the region information of the terminal, the base station queries the AMF of the operator corresponding to the frequency band and the region information in the AMF corresponding table stored on the base station according to the frequency band used by the network access request sent by the terminal and the region information of the terminal, and provides network access service for the terminal through the AMF, so that the terminal can complete the subsequent communication flow.
Compared with the prior art in which a base station can only receive information transmitted by using a fixed specific frequency band (i.e. the base station can only accept the access of a terminal of a certain operator in the prior art), and one base station can only serve one operator, the network access method of the embodiment can receive information transmitted by terminals of different operators by using different frequency bands (the terminals of the operators in the same region can use different frequency bands to transmit information in order to avoid interference), and acquire the frequency band used by the terminal to transmit information and the region information of the terminal by analyzing the information transmitted by the terminal, and provide network access service for the terminal by using the AMF corresponding to the frequency band and the region information of the terminal, that is, one base station can serve multiple operators, so that the quality of communication service is improved (under the condition that the number of base stations around one terminal is the same, for the terminal, if the base station uses the network access method of this embodiment, the number of base stations that can provide communication service for the terminal is larger, and therefore the quality of communication service received by the terminal is higher), and at the same time, the cost for building the base station is also reduced (multiple operators can use one base station together, and therefore each operator does not need to build their own base station, and the cost for building the base station is naturally reduced).
Optionally, the base station is a gNB (Next Generation Node-B, 5G base station).
Although the 5G is fast, the coverage area of the 5G base station is small and the penetration capability is poor due to the short wavelength of the adopted electromagnetic wave, compared with 4G, the 5G base station needs to be deployed more base stations to realize wide coverage, and as the market competition of operators is more and more intense, the shared construction of the 5G base station (that is, a plurality of operators can share one 5G base station) becomes a trend.
Fig. 4 is a schematic diagram of a specific example of the network access method in this embodiment, and referring to fig. 4, the gNB supports receiving information transmitted using different frequency bands, that is, multiple terminals may establish a wireless connection with the base station through multiple frequency bands, for example, the UEa may establish a wireless connection with the gNB through a frequency band 1, and the UEb may establish a wireless connection with the gNB through a frequency band 2.
The gNB may also establish a connection with the AMFs of different operators through different frequency bands, for example, the gNB may establish a connection with the AMFa of operator a and the AMFb of operator B through different frequency bands.
Meanwhile, the gNB maintains a table, i.e., an AMF mapping table, in which the mapping relationship between the frequency bands used by terminals of various global operators to transmit information to the base station and the AMF of the operator is recorded, and certainly, the national information is also recorded.
After the terminal (e.g., UEa) and the gNB pass through the cell search procedure and establish the 5G connection, the UEa sends a network access request to the gNB, but the network access request does not include an Identity Document (ID) of an operator to which the UEa belongs. While
When the gNB receives a network access request (e.g., a connection request of the UEa), the gNB also does not obtain the AMF corresponding to the UEa (or the AMF corresponding to the operator to which the UEa belongs) from the 5G-GUTI (5G global Unique Temporary UE Identity ) of the UEa, but analyzes the frequency band used by the UEa to send the network access request, obtains the region information of the UEa (i.e., the country where the UEa is located) from the network access request, then finds the corresponding operator AMF (i.e., the AMFa of the operator a) in the table according to the obtained frequency band and the region information, and provides the network access service for the UEa by using the AMFa, so that the UEa can complete the subsequent communication flow.
Example 4:
referring to fig. 5, this embodiment provides a base station, where the base station supports receiving information transmitted using different frequency bands, and the base station includes:
the receiving unit is used for receiving a network access request sent by the terminal and acquiring a frequency band used by the terminal for sending the network access request;
and the processing unit is used for inquiring and acquiring the AMF corresponding to the frequency band in the AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending the network access request and the AMF used for providing the network access service for the terminal.
Optionally, the base station is a 5G base station.
Optionally, the base station further includes a table making unit, configured to establish and maintain an AMF mapping table.
Further optionally, the network access request includes region information of the terminal; the AMF corresponding table comprises a corresponding relation between a frequency band used by the terminal for sending the network access request, the region information of the terminal and the AMF used for providing the network access service for the terminal.
Further optionally, the processing unit is further configured to query and acquire an AMF corresponding to the frequency band in the AMF corresponding table according to the frequency band and the region information of the terminal.
The base station of this embodiment can receive information transmitted by terminals of different operators using different frequency bands (the terminals of the operators in the same region and different regions use different frequency bands to transmit information in order to avoid interference), and obtain the frequency bands used by the terminals to transmit information and the region information of the terminals by analyzing the information transmitted by the terminals, and provide network access services for the terminals by using the AMFs corresponding to the frequency bands and the region information of the terminals, that is, one base station can serve multiple operators, and while improving the quality of communication services (in the case that the number of base stations around one terminal is the same, for the terminals, if the base station uses the network access method of this embodiment, the number of base stations providing communication services for the terminals is greater, and therefore the quality of communication services received by the terminals is higher), the cost for building the base station is also reduced (multiple operators can use one base station together, therefore, each operator is not required to establish a base station of the operator, and the construction cost of the base station is naturally reduced).
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A network access method, for a base station supporting reception of information transmitted using different frequency bands, the method comprising:
receiving a network access request sent by a terminal, and acquiring a frequency band used by the terminal for sending the network access request;
and inquiring and acquiring an AMF corresponding to the frequency band in an AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending a network access request and the AMF used for providing the network access service for the terminal.
2. The method of claim 1, wherein the base station is a 5G base station.
3. The method of claim 1, wherein before the receiving the network access request sent by the terminal, the method further comprises: and establishing and maintaining an AMF corresponding table.
4. The method of claim 3, wherein the network access request comprises geographic information of the terminal; the AMF corresponding table comprises a corresponding relation between a frequency band used by the terminal for sending the network access request, the region information of the terminal and the AMF used for providing the network access service for the terminal.
5. The method of claim 4, wherein the searching for the AMF corresponding to the frequency band in the AMF corresponding table according to at least the frequency band comprises:
and inquiring the AMF corresponding to the frequency band in the AMF corresponding table according to the frequency band and the region information of the terminal.
6. A base station, wherein the base station supports receiving information transmitted using different frequency bands, the base station comprising:
the terminal comprises a receiving unit, a sending unit and a receiving unit, wherein the receiving unit is used for receiving a network access request sent by the terminal and acquiring a frequency band used by the terminal for sending the network access request;
and the processing unit is used for inquiring and acquiring the AMF corresponding to the frequency band in an AMF corresponding table at least according to the frequency band, and providing network access service for the terminal through the AMF corresponding to the frequency band, wherein the AMF corresponding table comprises the corresponding relation between the frequency band used by the terminal for sending the network access request and the AMF used for providing the network access service for the terminal.
7. The base station of claim 6, wherein the base station is a 5G base station.
8. The base station of claim 6, wherein the base station further comprises a tabulation unit configured to establish and maintain the AMF mapping table.
9. The base station of claim 8, wherein the network access request comprises geographical information of the terminal; the AMF corresponding table comprises a corresponding relation between a frequency band used by the terminal for sending the network access request, the region information of the terminal and the AMF used for providing the network access service for the terminal.
10. The base station of claim 9,
and the processing unit is also used for inquiring and acquiring the AMF corresponding to the frequency band in the AMF corresponding table according to the frequency band and the region information of the terminal.
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