CN103533611A - Methods for selecting wireless access network and sending network selecting strategy and device - Google Patents
Methods for selecting wireless access network and sending network selecting strategy and device Download PDFInfo
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- 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
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Abstract
The embodiment of the invention provides methods for selecting a wireless access network and sending a network selecting strategy and a device. The method for selecting wireless access includes: receiving a network selecting strategy which includes network information of a wireless access network, wherein the network information at least includes a network type and a corresponding frequency band and/or bandwidth; and according to the network selecting strategy, selecting a target wireless access network. In methods for selecting the wireless access network and sending the network selecting strategy and the device, a terminal is required to receive the network selecting strategy in selection of the target wireless access network, wherein the network information of the wireless access network is included. The network information includes the network type and the corresponding frequency band and/or bandwidth so that spectrum utilization rate or service quality is improved.
Description
Technical field
The embodiment of the present invention relates to wireless communication technology, relates in particular to a kind of selection Radio Access Network, network selection strategy sending method and device.
Background technology
Along with the development of radio communication, user improves constantly the demand of wireless data service.Access network discovery and selection function (Access Network Discovery and Selection Function, be called for short ANDSF) be an independently logical functional entity, at third generation affiliate (Third Generation Partnership Project, be called for short 3GPP) inner, ANDSF is terminal equipment (User Equipment, be called for short UE) shift strategy and routing policy between access network information, system are provided, help UE to find fast and select to move and routing policy between suitable access network executive system.
UE is after having set up IP connection, by open mobile alliance device management (0pen Mobile Alliance Device Management, abbreviation OMA DM) agreement is obtained the above-mentioned Access Network information of being formulated by operator from ANDSF, shift strategy and routing policy between system, these strategies also can be preset in terminal by operator, in these strategies, include access technology (Access Technology), its value is defined as 3GPP, 3GPP2, WLAN (wireless local area network) (Wireless Local Area Network, be called for short WLAN), worldwide interoperability for microwave access (Worldwide Interoperability for Microwave Access, be called for short WiMAX), UE can select a kind of most suitable access technology according to access network priority (Access Network Priority) when intersystem handover or shunting.
In realizing the process of the embodiment of the present invention, it is preferred that inventor finds at ANDSF, to have defined certain IP access technology in prior art, for example, in some scene, WLAN is considered to have higher priority, but standard does not further point out that the network information ，Er operator of WLAN may dispose several WLAN and 3GPP network in same place, may cause the availability of frequency spectrum or quality of service not high like this.
Summary of the invention
The embodiment of the present invention provides a kind of method of selecting Radio Access Network on the one hand, and the method comprises:
Receive network selection strategy, described network selection strategy comprises the network information of Radio Access Network, and the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
According to described network selection strategy, select target Radio Access Network.
The embodiment of the present invention provides a kind of sending method of network strategy on the other hand, and the method comprises:
Generating network selection strategy, described network selection strategy comprises the network information of Radio Access Network, the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Send described network selection strategy, for you to choose target radio access network.
The embodiment of the present invention provides a kind of terminal on the other hand, and this terminal comprises:
Receiver module, for receiving network selection strategy, described network selection strategy comprises the network information of Radio Access Network, the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Select module, for according to described network selection strategy, select target Radio Access Network.
The embodiment of the present invention provides a kind of server on the other hand, and this server comprises:
Generation module, for generating network selection strategy, described network selection strategy comprises the network information of Radio Access Network, the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Sending module, for sending described network selection strategy, for you to choose target radio access network.
The embodiment of the present invention provides a kind of network system on the other hand, comprises above-mentioned terminal and server.
In the embodiment of the present invention, terminal is when select target Radio Access Network, and terminal will receive network selection strategy, the network information comprising Radio Access Network, this network information comprises network formats, and corresponding frequency range and/or bandwidth, with this, promotes the availability of frequency spectrum or quality of service.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the method for the selection Radio Access Network that Fig. 1 provides for one embodiment of the invention;
The operational flowchart of one application example of the method for the selection Radio Access Network that Fig. 2 provides for one embodiment of the invention;
The operational flowchart of the Another Application example of the method for the selection Radio Access Network that Fig. 3 provides for one embodiment of the invention;
The operational flowchart of the Another Application example of the method for the selection Radio Access Network that Fig. 4 provides for one embodiment of the invention;
The flow chart of the sending method of the network selection strategy that Fig. 5 provides for another embodiment of the present invention;
The structural representation of the terminal that Fig. 6 provides for another embodiment of the present invention;
The structural representation of the server that Fig. 7 provides for another embodiment of the present invention;
The structural representation of the network system that Fig. 8 provides for another embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The flow chart of the method for the selection Radio Access Network that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, the method for the selection Radio Access Network that the present embodiment provides comprises:
When this terminal needs access of radio network to carry out business, will automatically in environment, search for Radio Access Network, and select according to existing network selection strategy.
This network selection strategy is provided by operator, comprises shift strategy, distributing strategy between wireless access network selection strategy, system, and wherein, wireless access network selection strategy provides the network information of the Radio Access Network searching; During select target Access Network, can compare the network information of different radio access network; Whether between system, shift strategy is that Radio Access Network is limited, allow described terminal to access corresponding Radio Access Network; Whether distributing strategy is that the transmission of IP packet is limited, allow the information of described IP packet to transmit on corresponding Radio Access Network; During access network, can judge according to above-mentioned each strategy.
Above-mentioned network selection strategy comprises a plurality of selection entries, and each selects entry to include the network information of Radio Access Network; And each selects entry all to have corresponding recommended priority, during select target access network, can just judge whether access according to these selector bar object priority;
Above-mentioned network formats comprises 3GPP, 3GPP2, WiMAX, 802.11,802.11a, 802.11b, 802.11g, 802.11n and 802.11ac, and between each standard, except frequency range, bandwidth, speed difference, modulation system is also different.
The operational flowchart of one application example of the method for the selection Radio Access Network that Fig. 2 provides for one embodiment of the invention, this application example refers to carried out business to be diverted to WLAN (wireless local area network) (Wireless Local Area Network from 3GPP, be called for short WLAN), its network selects flow process to comprise:
Step 101, the built vertical service connection of terminal, carrying out required business;
Above-mentioned terminal is can support that the subscriber terminal equipments such as mobile phone, notebook computer, panel computer (User Equipment is called for short UE) of wifi and 3GPP access technology are example simultaneously; The service connection of having set up at this is connected to example with 3GPP; It is example that the business of carrying out be take web page browsing (web browsing).
The network selection strategy that step 102, above-mentioned terminal reception server issue, this network selection strategy comprises the network information of Radio Access Network, prepares the above-mentioned web page browsing business of shunting;
In this application example, the network information at least comprises network formats, and corresponding frequency spectrum and bandwidth, and according to priority, the Radio Access Network of the business recommended use of this web page browsing is WLAN 802.11n, corresponding frequency band 2.4GHz, bandwidth 20MHz.
Step 103, above-mentioned terminal, according to the network selection strategy receiving in step 102, are the applicable target access network of web page browsing service selection;
At this, Radio Access Network is example with several WLAN (wireless local area network) (Wireless Local Area Network is called for short WLAN), and the signal of wlan network is provided by access point (Access Point is called for short AP), is provided with AP1, AP2 in this example.
Step 104, above-mentioned terminal are by listening beacon (beacon) frame to obtain the network of relation information of AP1 work, and in this application example, the network formats of AP1 is 802.11n, and frequency range is 2.4GHz, and bandwidth is 20MHz.
Step 105, above-mentioned terminal are by listening beacon frame to obtain the network of relation information of AP2 work, and in this application example, the network formats of AP2 is 802.11n, and frequency range is 5GHz, and bandwidth is 40MHz.
Step 106, above-mentioned terminal are according to step 103, and access AP1, proceeds web page browsing business.
The operational flowchart of the Another Application example of the method for the selection Radio Access Network that Fig. 3 provides for one embodiment of the invention, this application example is choose WLAN network during for roaming, and its flow process comprises:
The network selection strategy that step 201, terminal reception server issue, this network selection strategy comprises the network information of Radio Access Network, prepares to initiate online HD video business;
Above-mentioned terminal is can support wifi and 3GPP access technology or only to support that the subscriber terminal equipments such as mobile phone, notebook computer, panel computer (User Equipment is called for short UE) of wifi access technology are example simultaneously;
In this application example, the network information at least comprises network formats, and corresponding frequency range and/or bandwidth, according to the priority in network strategy, the Radio Access Network of the business recommended use of this online HD video is WLAN 802.11n, corresponding frequency band 5GHz, bandwidth 40MHz.
Step 202, above-mentioned terminal, according to the network selection strategy receiving in step 201, are the online applicable target access network of HD video service selection;
At this, Radio Access Network is example with several WLAN (wireless local area network) (Wireless Local Area Network is called for short WLAN), and the signal of wlan network is provided by access point (Access Point is called for short AP), is provided with AP1, AP2 in this example.
Step 203, above-mentioned terminal are by listening beacon (beacon) frame to obtain the network of relation information of AP1 work, and in this application example, the network formats of AP1 is WLAN 802.11n, and frequency range is 2.4GHz, and bandwidth is 20MHz.
Step 204, above-mentioned terminal are by listening beacon frame to obtain the network of relation information of AP2 work, and in this application example, the network formats of AP2 is WLAN 802.11n, and frequency range is 5GHz, and bandwidth is 40MHz.
Step 205, above-mentioned terminal, according to step 202, access AP2, and initiate online HD video business.
In the present embodiment, when terminal will be initiated business, the network selection strategy that reception server issues, the network information comprising Radio Access Network, this network information at least comprises network formats, and corresponding frequency spectrum and bandwidth, then select more suitably network according to above-mentioned network selection strategy, thus the availability of frequency spectrum promoted.
The operational flowchart of the Another Application example of the method for the selection Radio Access Network that Fig. 4 provides for one embodiment of the invention, this application example is for to select access network according to network formats, and its flow process comprises:
The network selection strategy that step 301, terminal reception server issue, this network selection strategy comprises the network information of the Radio Access Network of the above-mentioned business institute recommendation carrying out, and prepares to initiate the online HD video business of 1080p;
Above-mentioned terminal is can support wifi and 3GPP access technology or only to support that the subscriber terminal equipments such as mobile phone, notebook computer, panel computer (User Equipment is called for short UE) of wifi access technology are example simultaneously;
The network information corresponding in this example at least comprises network formats; At this, Radio Access Network is example with several WLAN (wireless local area network) (Wireless Local Area Network is called for short WLAN) and 3GPP network, and wherein WLAN is refined as 802.11b, 802.11ac.
Step 302, above-mentioned terminal, according to the network selection strategy receiving in step 201, are the applicable target access network of the online HD video service selection of 1080p.
Step 303, in this example, according to the priority in the network selection strategy receiving in step 301, the business recommended 802.11ac of 1080p HD video is here preferred.
Step 304, above-mentioned terminal, according to step 302, access IEEE802.11ac network, and initiate the online HD video business of 1080p.
In the present embodiment, terminal when select target wireless access network, the network selection strategy that reception server issues, the network information comprising Radio Access Network, as network formats, then select more suitably network according to above-mentioned network selection strategy, thereby promote quality of service.
The flow chart of the sending method of the network selection strategy that Fig. 5 provides for another embodiment of the present invention, the method comprises:
This network selection strategy comprises the network information of Radio Access Network, and this network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Above-mentioned network selection strategy can be generated by server, this server can be access network discovery and selection function server (Access Network Discovery and Selection Function server, abbreviation ANDSF server), the wherein a kind of or combination in any of access network vlan query protocol VLAN server (Access Network Query Protocol server is called for short ANQP server), subscribed services device (Subscription server).
The above-mentioned network information at least comprises network formats, and corresponding frequency range and/or bandwidth; Wherein, network formats includes but not limited to 3GPP, 3GPP2, WiMAX, 802.11,802.11a, 802.11b, 802.11g, 802.11n and 802.11ac.
This network selection strategy comprises a plurality of selection entries, and each selection entry includes the network information of Radio Access Network, and each selects entry all to have corresponding recommended priority;
This Radio Access Network can be WLAN (wireless local area network) (Wireless Local Area Network is called for short WLAN), 3GPP etc.; This terminal refers to the subscriber terminal equipment (User Equipment is called for short UE) that can access of radio network carries out business, can be the mobile phone with access of radio network function, computer etc.;
In the present embodiment, generate and send network selection strategy, when terminal select target Radio Access Network, can select according to the network selection strategy receiving, the network information comprising Radio Access Network, as network formats, and corresponding frequency range and/or bandwidth, thereby the availability of frequency spectrum or quality of service improved.
The structural representation of the terminal that Fig. 6 provides for another embodiment of the present invention, this terminal comprises:
The feature of above-mentioned terminal, Radio Access Network, network selection strategy and the course of work can, with reference to preceding method embodiment, not repeat them here.
In the present embodiment, terminal, can be according to the network of relation information of Radio Access Network in the network selection strategy receiving when select target Radio Access Network, as network formats, and corresponding frequency range and/or bandwidth, select the network that is more suitable for, thereby promote the availability of frequency spectrum or quality of service.
The structural representation of the server that Fig. 7 provides for another embodiment of the present invention, this access device comprises generation module 701 and sending module 702, wherein generation module 701 is for generating network selection strategy, wherein network selection strategy comprises the network information of Radio Access Network, this network information at least comprises network formats, and corresponding frequency range and/or bandwidth; Sending module 702 is for sending above-mentioned network selection strategy, for you to choose target radio access network.The server that the corresponding generation of the embodiment that above-mentioned Fig. 5 is corresponding and sending function all can provide by the present embodiment is realized; Concrete, the network selection strategy that aforementioned terminals receives is generation module 701 generations by server, and sent by sending module 702, facilitate terminal to select target radio access network;
This server includes but not limited to: the wherein a kind of or combination in any of ANDSF server, ANQP server, Subscription server.
The feature of above-mentioned terminal, network selection strategy, Radio Access Network, IP packet and workflow can, with reference to preceding method embodiment, not repeat them here.
In the present embodiment, this server issues network selection strategy to terminal, the network information comprising Radio Access Network, as network formats, and corresponding frequency range and/or bandwidth, so that terminal is obtained this network information and selects when select target Radio Access Network, thereby improve the availability of frequency spectrum or quality of service.
The structural representation of the network system that Fig. 8 provides for another embodiment of the present invention, this network system comprises: terminal 801 and server 802, wherein, this terminal 801 is the terminal in the corresponding embodiment of above-mentioned Fig. 6, this server 802 is the server in the corresponding embodiment of above-mentioned Fig. 7, its feature and workflow can, with reference to previous embodiment, not repeat them here.
Wherein, server generates and issues network selection strategy, and terminal receives this network selection strategy, and is that the wireless traffic that will initiate or shunt is selected suitable target access network according to this network selection strategy.
In the present embodiment, network selection strategy comprises the network information of Radio Access Network, as network formats, and corresponding frequency range and/or bandwidth, so that terminal is obtained this network information and selects when select target Radio Access Network, thereby improve the availability of frequency spectrum or quality of service.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a method of selecting Radio Access Network, is characterized in that, comprising:
Receive network selection strategy, described network selection strategy comprises the network information of Radio Access Network, and the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
According to described network selection strategy, select target Radio Access Network.
2. method according to claim 1, is characterized in that, described network formats includes but not limited to: 3GPP, 3GPP2, WiMAX, 802.11,802.11a, 802.11b, 802.11g, 802.11n and 802.11ac.
3. method according to claim 1 and 2, is characterized in that, described reception network selection strategy comprises:
The described network selection strategy that reception server issues.
4. a sending method for network selection strategy, is characterized in that, comprising:
Generating network selection strategy, described network selection strategy comprises the network information of Radio Access Network, the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Send described network selection strategy, for you to choose target radio access network.
5. method according to claim 4, is characterized in that, described network formats includes but not limited to: 3GPP, 3GPP2, WiMAX, 802.11,802.11a, 802.11b, 802.11g, 802.11n and 802.11ac.
6. a terminal, is characterized in that, comprising:
Receiver module, for receiving network selection strategy, described network selection strategy comprises the network information of Radio Access Network, the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Select module, for according to described network selection strategy, select target Radio Access Network.
7. terminal according to claim 6, is characterized in that, also comprises:
Memory module, for storing described network selection strategy.
8. a server, is characterized in that, comprising:
Generation module, for generating network selection strategy, described network selection strategy comprises the network information of Radio Access Network, the described network information at least comprises network formats, and corresponding frequency range and/or bandwidth;
Sending module, for sending described network selection strategy, for you to choose target radio access network.
9. server according to claim 8, is characterized in that, described server includes but not limited to: the wherein a kind of or combination in any of access network discovery and selection function server, access network vlan query protocol VLAN server and subscribed services device.
10. a network system, is characterized in that, comprises the terminal as described in claim 6 or 7, and as described in claim 8 or 9 server.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210233816.XA CN103533611A (en) | 2012-07-06 | 2012-07-06 | Methods for selecting wireless access network and sending network selecting strategy and device |
| PCT/CN2013/077370 WO2014005480A1 (en) | 2012-07-06 | 2013-06-18 | Method and device for selecting wireless access network and for transmitting network selection policy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210233816.XA CN103533611A (en) | 2012-07-06 | 2012-07-06 | Methods for selecting wireless access network and sending network selecting strategy and device |
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| CN103533611A true CN103533611A (en) | 2014-01-22 |
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| CN201210233816.XA Pending CN103533611A (en) | 2012-07-06 | 2012-07-06 | Methods for selecting wireless access network and sending network selecting strategy and device |
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| WO (1) | WO2014005480A1 (en) |
Cited By (7)
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| CN104486818A (en) * | 2014-12-11 | 2015-04-01 | 深圳市宜联畅游技术有限公司 | Method for selective access to cellular mobile network system and cloud server |
| CN106304270A (en) * | 2015-06-10 | 2017-01-04 | 中兴通讯股份有限公司 | Network selecting method in a kind of multi-radio access technology and system |
| WO2017113385A1 (en) * | 2015-12-31 | 2017-07-06 | 华为技术有限公司 | Method for data distribution, and user equipment and system thereof |
| WO2017139936A1 (en) * | 2016-02-17 | 2017-08-24 | Huawei Technologies Co., Ltd. | Method for transmitting traffic, terminal device and network node |
| CN107222406A (en) * | 2017-07-13 | 2017-09-29 | 北京元心科技有限公司 | Network management method and device and intelligent equipment |
| WO2019036970A1 (en) * | 2017-08-23 | 2019-02-28 | 深圳市优品壹电子有限公司 | Method of selecting roaming network and terminal |
| CN112714482A (en) * | 2019-10-24 | 2021-04-27 | 中兴通讯股份有限公司 | Network switching method, device, terminal and storage medium |
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| CN104486818A (en) * | 2014-12-11 | 2015-04-01 | 深圳市宜联畅游技术有限公司 | Method for selective access to cellular mobile network system and cloud server |
| CN106304270A (en) * | 2015-06-10 | 2017-01-04 | 中兴通讯股份有限公司 | Network selecting method in a kind of multi-radio access technology and system |
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| WO2019036970A1 (en) * | 2017-08-23 | 2019-02-28 | 深圳市优品壹电子有限公司 | Method of selecting roaming network and terminal |
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| CN112714482B (en) * | 2019-10-24 | 2024-06-11 | 中兴通讯股份有限公司 | Network switching method, device, terminal and storage medium |
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| WO2014005480A1 (en) | 2014-01-09 |
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