CN109246771B - Terminal redirection method and base station - Google Patents
Terminal redirection method and base station Download PDFInfo
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- CN109246771B CN109246771B CN201710320642.3A CN201710320642A CN109246771B CN 109246771 B CN109246771 B CN 109246771B CN 201710320642 A CN201710320642 A CN 201710320642A CN 109246771 B CN109246771 B CN 109246771B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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Abstract
The embodiment of the application provides a terminal redirection method and a base station. In the embodiment of the application, after acquiring the access capability information and the redirection capability information of the terminal to be redirected, the base station determines a target network redirected by the terminal according to the acquired access capability information and the redirection capability information, and redirects the terminal according to the determined target network, wherein if the base station judges that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal according to the access capability information of the terminal, the base station determines the target network redirected by the terminal according to the redirection capability of the terminal. Therefore, compared with the prior art that the redirected target network is determined only according to the access capability of the terminal, the method and the device for determining the redirected target network according to the access capability and the redirection capability improve the redirection success rate.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a terminal redirection method and a base station.
Background
A redirection mode is usually adopted when a data service falls back in a Long Term Evolution (Long Term Evolution, LTE for short). The existing redirection method includes: the terminal redirects to a Global System For Mobile Communications Enhanced data rates For Global Evolution Radio Access Network (Global System For Mobile Communications Enhanced data rate For GSM Evolution Radio Access Network, referred to as GSM/EDGE Radio Access Network, abbreviated as GERAN) based on a third Generation partnership project (3rd Generation partnership project, abbreviated as 3Gpp) R8/R9 protocol; the terminal is redirected to a Universal Terrestrial Radio Access-Time Division duplex (UTRA-TDD) network based on a 3Gpp R10 protocol.
Currently, a base station determines the access Capability of a terminal by reading access Capability Information in terminal Capability Information (UE Capability Information) reported by the terminal, and selects a target network of the terminal to be redirected in an LTE base station inter-system according to the access Capability of the terminal. In specific implementation, the base station determines a target network to which the terminal is redirected according to the access capability, and for the determined target network, cell frequency point information of the corresponding target network is carried in a Radio Resource Control (RRC CONNECTION RELEASE) CONNECTION RELEASE message (RRC CONNECTION RELEASE), according to the specification of a 3GPP protocol, the target networks to which the terminal is redirected are different, and the frequency point information of the corresponding target network carried in the RRC CONNECTION RELEASE message is different. For example, if the access capability of the terminal conforms to the specification of R10 and the redirection capability conforms to the specification of R9, the base station redirects the terminal to the UTRAN-TDD network according to the access capability of the terminal, and carries the frequency point information of the corresponding UTRAN-TDD network in an RRC connection release message according to the specification of the 3GPP protocol to send the RRC connection release message to the terminal, so that the terminal is redirected to a cell of the UTRAN-TDD network according to the frequency point information of the UTRAN-TDD network. The 3GPP protocol specifies redirection: aiming at a terminal with redirection capability meeting the R8/R9 specification, when the redirected target network is a GERAN network, the RRC connection release message can carry 32 GERAN frequency point information; when the redirected target network is a UTRAN-TDD network, 1 piece of UTRAN-TDD frequency point information can be carried in the RRC connection release message. For a terminal with redirection capability meeting the R10 specification, when the redirected target network is a GERAN network, the RRC connection release message can carry 32 pieces of GERAN frequency point information; and when the redirected target network is a UTRAN-TDD network, carrying 6 pieces of UTRAN-TDD frequency point information in the RRC connection release message. Therefore, the determined frequency point information of the corresponding network carried by different target networks is different, and the frequency point information carried in the RRC connection release message influences the success rate of terminal redirection.
Based on the above, how to determine the target network for terminal redirection so as to improve the success rate of redirection is a problem that needs to be solved urgently at present.
Disclosure of Invention
The application provides a terminal redirection method and a base station, which are used for improving the success rate of terminal redirection.
The terminal redirection method provided by the embodiment of the application comprises the following steps:
a base station acquires access capability information and redirection capability information of a terminal to be redirected;
the base station determines a target network redirected by the terminal according to the access capability information and redirection capability information, wherein if the base station judges that the access capability of the terminal is higher than or equal to the access capability specified in a 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal according to the access capability information of the terminal, the base station determines the target network redirected by the terminal according to the redirection capability of the terminal;
and the base station redirects the terminal according to the determined target network.
Optionally, the method further comprises:
and in the process that the base station determines the target network redirected by the terminal according to the access capability information and the redirection capability information, if the base station judges that the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol according to the access capability information of the terminal, the base station determines the target network redirected by the terminal according to the access capability of the terminal.
Optionally, when the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol, the target network redirected by the terminal, which is determined by the base station according to the access capability of the terminal, is a first target network, and the first target network matches with the access capability of the terminal;
and when the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the base station determines that the target network redirected by the terminal is a second target network according to the redirection capability of the terminal, and the second target network is matched with the redirection capability of the terminal.
Optionally, the first target network is a global system for mobile communications enhanced data rates for global system for mobile communications evolution radio access network GERAN;
the second target network is universal terrestrial radio access-time division duplex UTRA-TDD.
Optionally, the method further comprises:
and the base station receives the access capability information and the redirection capability information reported by the terminal.
The base station provided by the embodiment of the application comprises:
the acquiring module is used for acquiring the access capability information and the redirection capability information of the terminal to be redirected;
a target network determining module, configured to determine a target network to which the terminal is redirected according to the access capability information and redirection capability information, where if the target network determining module determines, according to the access capability information of the terminal, that the access capability of the terminal is higher than or equal to an access capability specified in a 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the target network to which the terminal is redirected is determined according to the redirection capability of the terminal;
and the redirection module is used for redirecting the terminal according to the determined target network.
Optionally, the method further comprises:
and in the process of determining the target network by the target network determining module, if the base station judges that the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol according to the access capability information of the terminal, determining the target network redirected by the terminal according to the access capability of the terminal.
Optionally, when the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol, the target network redirected by the terminal determined by the determined target network module according to the access capability of the terminal is a first target network, and the first target network is matched with the access capability of the terminal;
and when the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the target network redirected by the terminal determined by the target network determining module according to the redirection capability of the terminal is a second target network, and the second target network is matched with the redirection capability of the terminal.
Optionally, the first target network is a global system for mobile communications enhanced data rates for global system for mobile communications evolution radio access network GERAN;
the second target network is universal terrestrial radio access-time division duplex UTRA-TDD.
Optionally, the method further comprises:
and the receiving module is used for receiving the access capability information and the redirection capability information reported by the terminal.
In the technical scheme provided by the embodiment of the application, a base station acquires access capability information and redirection capability information of a terminal to be redirected, the base station determines a target network redirected by the terminal according to the acquired access capability information and redirection capability information, and redirects the terminal according to the determined target network, wherein if the base station judges that the access capability of the terminal is higher than or equal to the access capability specified in a 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal according to the access capability information of the terminal, the target network redirected by the terminal is determined according to the redirection capability of the terminal. It can be seen that, in the embodiment of the present application, the base station determines the redirected target network according to the acquired access capability information and redirection capability information of the terminal to be redirected, and redirects the terminal according to the determined target network. For example, taking redirection of a terminal between a GERAN network and a UTRAN-TDD network as an example, for a terminal whose access capability conforms to the specification of R10 and whose redirection capability conforms to the specification of R9, it can be known from the background art that a redirection network determined according to the access capability of the terminal in the existing implementation manner is a UTRA-TDD network and 1 piece of UTRA-TDD frequency point information is carried in an RRC connection release message, whereas according to the method provided in the embodiment of the present application, a redirection network determined according to the redirection capability of the terminal is a GERAN network and 32 pieces of frequency point information are carried in an RRC connection release message. Therefore, when the method provided by the embodiment of the application is used for redirection, more frequency point information is carried in the RRC connection release message than the frequency point information carried in the prior art, so that the success rate of terminal redirection is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic flowchart of a method for redirecting a terminal according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a process that a base station determines a target network according to acquired access capability information and redirection capability information according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a base station according to an embodiment of the present application.
Detailed Description
The embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In view of the above mentioned problems in the background art, in the prior art, when redirection is performed, the base station determines the target network for terminal redirection only according to the access capability information reported by the terminal. However, in the 36.331 th protocol in 3Gpp, no specific requirement is made on the consistency of the access capability and the redirection capability of the terminal, and therefore it cannot be determined that the access capability and the redirection capability of each terminal are consistent. For the problem, in the terminal redirection method provided by the embodiment of the application, the access capability information and the redirection capability of the root terminal determine the redirected target network, so that the redirection success rate is improved, and the perception of the user is improved.
Referring to fig. 1, a schematic flowchart of a method for redirecting a terminal provided in the embodiment of the present application is shown. The process comprises the following steps:
step 101: the base station acquires the access capability information and the redirection capability information of the terminal to be redirected.
Step 102: and the base station determines a target network for terminal redirection according to the access capability information and the redirection capability information, wherein if the base station judges that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal according to the access capability information of the terminal, the base station determines the target network for terminal redirection according to the redirection capability of the terminal. Step 103: and the base station redirects the terminal according to the determined target network.
In the embodiment of the present application, a network architecture in which a network system is a GERAN network and a UTRAN-TDD network hybrid network is taken as an example to describe the embodiment of the present application.
In some embodiments, the terminal may be any suitable computing or mobile device, such as may include: a smart phone, a tablet computer, a notebook computer, a Personal Digital Assistant (PDA), or the like. Wherein, the access capability and the redirection capability of the terminal may be the same or different. The access capability of the terminal may be consistent with the access capability specified in the R8 version in the 3GPP protocol, or may be consistent with the access capability specified in any one of the R9 version, the R10 version, and the like; the redirection capability of the terminal may be consistent with the redirection capability specified in the R8 version in the 3GPP protocol, or may be consistent with the redirection capability specified in any one of the R9 version, the R10 version, and the like.
In some embodiments, the base station may be an evolved Node B (eNB or e-NodeB) in an LTE system or an evolved system thereof, a macro base station, a micro base station (also referred to as a "small base station"), a pico base station, an Access Point (AP) or a Transmission Point (TP).
Referring to fig. 2, a flowchart of a specific method for determining a redirected target network by a base station according to access capability information and redirection capability information is shown.
Step 201: the base station acquires the access capability information and the redirection capability information of the terminal to be redirected.
In this step, the terminal reports its access capability information and redirection capability information when accessing the base station. The terminal reports a measurement report to the base station, the base station judges whether the terminal needs to be redirected or not based on the measurement report, and the measurement report is used for indicating the communication quality of the terminal in a cell of a current network. And if the base station judges that the terminal needs to be redirected, acquiring the access capability information and the redirection capability information of the terminal. The base station determines whether the terminal needs to be redirected according to the measurement report reported by the terminal, which is only one of various methods, and certainly, other methods may also be adopted, which is not specifically limited in the embodiment of the present application.
Step 202: the base station judges whether the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol or not according to the acquired access capability information of the terminal, if so, the step 203 is carried out, and if not, the step 204 is carried out.
Step 203: and determining that the target network redirected by the terminal is a GERAN network matched with the access capability of the terminal, and redirecting the terminal according to the determined target network. When the terminal is redirected, 32 GERAN frequency point information can be carried in the RRC release message according to the specification of the 3Gpp protocol, and the terminal is redirected to a corresponding cell according to the frequency point information.
Step 204: the base station judges whether the redirection capability of the terminal is higher than or equal to the access capability according to the acquired redirection capability information of the terminal, if so, the step 205 is carried out, otherwise, the step 206 is carried out.
Step 205: and determining that the target network redirected by the terminal is a UTRAN-TDD network matched with the redirection capability of the terminal, and redirecting the terminal according to the determined target network. When the terminal is redirected, 32 GERAN frequency point information can be carried in the RRC release message according to the specification of the 3Gpp protocol, and the terminal is redirected to a corresponding cell according to the frequency point information.
Step 206: and determining that the target network for terminal redirection is a GERAN network matched with the redirection capability of the terminal, and redirecting the terminal according to the determined target network. When the terminal is redirected, 32 GERAN frequency point information can be carried in the RRC release message according to the specification of the 3Gpp protocol, and the terminal is redirected to a corresponding cell according to the frequency point information.
It can be seen from the foregoing embodiments that, in the technical solutions provided in the embodiments of the present application, a base station acquires access capability information and redirection capability information of a terminal to be redirected, the base station determines a target network to which the terminal is redirected according to the acquired access capability information and redirection capability information, and redirects the terminal according to the determined target network, wherein if the base station determines, according to the access capability information of the terminal, that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the target network to which the terminal is redirected is determined according to the redirection capability of the terminal. It can be seen that, in the embodiment of the present application, the base station determines the redirected target network according to the acquired access capability information and redirection capability information of the terminal to be redirected, and redirects the terminal according to the determined target network. For example, taking redirection of a terminal between a GERAN network and a UTRAN-TDD network as an example, for a terminal whose access capability conforms to the specification of R10 and whose redirection capability conforms to the specification of R9, it can be known from the background art that a redirection network determined according to the access capability of the terminal in the existing implementation manner is a UTRA-TDD network and 1 piece of UTRA-TDD frequency point information is carried in an RRC connection release message, whereas according to the method provided in the embodiment of the present application, a redirection network determined according to the redirection capability of the terminal is a GERAN network and 32 pieces of frequency point information are carried in an RRC connection release message. Therefore, when the method provided by the embodiment of the application is used for redirection, more frequency point information is carried in the RRC connection release message than the frequency point information carried in the prior art, so that the success rate of terminal redirection is improved.
In the technical solution provided in the embodiment of the present application, the standard for determining the access capability of the terminal by the base station is the access capability specified in the 3Gpp R10 version, and the version in the protocol may be continuously improved with the continuous development of the technology, so that the standard for determining the access capability of the terminal in the embodiment of the present application may be correspondingly adjusted according to the actual situation, which is not specifically limited in the embodiment of the present application.
Based on the same technical concept, the embodiment of the application also provides a structural schematic diagram of the base station.
Referring to fig. 3, a schematic structural diagram of a base station provided in the embodiment of the present application is shown. The multimode base station can implement the flow schematic diagram described in the above embodiment.
The base station provided by the embodiment of the application comprises: an acquisition module 301, a target network determining module 302 and a redirection module 303.
An obtaining module 301, configured to obtain access capability information and redirection capability information of a terminal to be redirected;
a target network determining module 302, configured to determine a target network to which the terminal is redirected according to the access capability information and redirection capability information, where if the target network determining module determines, according to the access capability information of the terminal, that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the target network to which the terminal is redirected is determined according to the redirection capability of the terminal;
a redirection module 303, configured to redirect the terminal according to the determined target network.
Optionally, the method further comprises:
and in the process of determining the target network by the target network determining module, if the base station judges that the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol according to the access capability information of the terminal, determining the target network redirected by the terminal according to the access capability of the terminal.
Optionally, when the access capability of the terminal is lower than the access capability specified in the 3Gpp R10 protocol, the target network redirected by the terminal determined by the determined target network module according to the access capability of the terminal is a first target network, and the first target network is matched with the access capability of the terminal;
and when the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the target network redirected by the terminal determined by the target network determining module according to the redirection capability of the terminal is a second target network, and the second target network is matched with the redirection capability of the terminal.
Optionally, the first target network is a global system for mobile communications enhanced data rates for global system for mobile communications evolution radio access network GERAN;
the second target network is universal terrestrial radio access-time division duplex UTRA-TDD.
Optionally, the method further comprises:
and the receiving module is used for receiving the access capability information and the redirection capability information reported by the terminal.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (6)
1. A terminal redirection method is characterized by comprising the following steps:
a base station acquires access capability information and redirection capability information of a terminal to be redirected;
the base station determines a target network redirected by the terminal according to the access capability information and redirection capability information, wherein if the base station judges that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is higher than or equal to the access capability of the terminal according to the access capability information of the terminal, the target network redirected by the terminal is determined to be a universal terrestrial radio access-time division duplex (UTRA) -TDD network matched with the redirection capability of the terminal, and if the base station judges that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and the redirection capability of the terminal is lower than the access capability of the terminal according to the access capability information of the terminal, the target network redirected by the terminal is determined to be a global system for mobile communication enhanced data rate (GMS) global system for mobile communication (GMS) matched with the redirection capability of the terminal An evolved technology radio access network, GERAN, network;
and the base station redirects the terminal according to the determined target network.
2. The method of claim 1, further comprising:
and in the process that the base station determines the target network redirected by the terminal according to the access capability information and the redirection capability information, if the base station judges that the access capability of the terminal is lower than the access capability specified in the 3GppR10 protocol according to the access capability information of the terminal, determining that the target network redirected by the terminal is a GERAN network matched with the access capability of the terminal.
3. The method of any of claims 1-2, further comprising:
and the base station receives the access capability information and the redirection capability information reported by the terminal.
4. A base station, comprising:
the acquiring module is used for acquiring the access capability information and the redirection capability information of the terminal to be redirected;
a target network determining module, configured to determine a target network to which the terminal is redirected according to the access capability information and redirection capability information, where if the target network determining module determines, according to the access capability information of the terminal, that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and that the redirection capability of the terminal is higher than or equal to the access capability of the terminal, the target network to which the terminal is redirected is determined to be a utran-TDD network that matches the redirection capability of the terminal, and if the base station determines, according to the access capability information of the terminal, that the access capability of the terminal is higher than or equal to the access capability specified in the 3Gpp R10 protocol and that the redirection capability of the terminal is lower than the access capability of the terminal, the target network to which the terminal is redirected is determined to be a global system for mobile communications that matches the redirection capability of the terminal An enhanced data rate GSM Evolution Radio Access Network (GERAN) network;
and the redirection module is used for redirecting the terminal according to the determined target network.
5. The base station of claim 4, further comprising:
and in the process of determining the target network by the target network determining module, if the base station judges that the access capability of the terminal is lower than the access capability specified in the 3GppR10 protocol according to the access capability information of the terminal, determining that the target network redirected by the terminal is a GERAN network matched with the access capability of the terminal.
6. The base station of any of claims 4 to 5, further comprising:
and the receiving module is used for receiving the access capability information and the redirection capability information reported by the terminal.
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| CN201710320642.3A CN109246771B (en) | 2017-05-08 | 2017-05-08 | Terminal redirection method and base station |
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| CN201710320642.3A CN109246771B (en) | 2017-05-08 | 2017-05-08 | Terminal redirection method and base station |
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| CN101389131A (en) * | 2007-09-14 | 2009-03-18 | 华为技术有限公司 | Method and device for notifying redirection to terminal |
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| CN106550413A (en) * | 2015-09-21 | 2017-03-29 | 大唐移动通信设备有限公司 | A kind of terminal UE connection control method and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012135994A1 (en) * | 2011-04-02 | 2012-10-11 | Qualcomm Incorporated | Systems and methods for inter-radio access technology (rat) mobility |
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|---|---|---|---|---|
| CN101389131A (en) * | 2007-09-14 | 2009-03-18 | 华为技术有限公司 | Method and device for notifying redirection to terminal |
| CN101827411A (en) * | 2009-03-04 | 2010-09-08 | 华为技术有限公司 | Network selection method, device and terminal |
| CN102111900A (en) * | 2009-12-25 | 2011-06-29 | 中兴通讯股份有限公司 | Method and system for establishing radio resource control (RRC) connection and mobile terminal |
| CN106550413A (en) * | 2015-09-21 | 2017-03-29 | 大唐移动通信设备有限公司 | A kind of terminal UE connection control method and equipment |
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