CN101453779A - Method for selecting access network and network side apparatus - Google Patents
Method for selecting access network and network side apparatus Download PDFInfo
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- CN101453779A CN101453779A CNA2007101785837A CN200710178583A CN101453779A CN 101453779 A CN101453779 A CN 101453779A CN A2007101785837 A CNA2007101785837 A CN A2007101785837A CN 200710178583 A CN200710178583 A CN 200710178583A CN 101453779 A CN101453779 A CN 101453779A
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Abstract
The invention discloses a method for selecting an access network and a network side device. The method comprises the following steps: according to the service type of the service required by a mobile terminal, the network side inquires a corresponding relation list between the service type and the access network so as to acquire the access network corresponding to the service type; and the access network is designated to the service required by the mobile terminal. Through adoption of the method and the network side device, according to the property of the service required by the mobile terminal, the access network suitable for the service property can be designated to the mobile terminal, thereby giving play to the advantage of bearing different services by different access networks.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method and network side apparatus of selecting access network.
Background technology
Under the situation of many networks multiple access, portable terminal is selected transmission mode and access network according to network signal intensity.
In 3GPP TR36.938, propose, can be by multiple access technology, comprise and adopt existing broadband wireless access standard that as IEEE802.16e/ETSI BRAN, and 3GPP2HRPD or 1xRTT provide IP-based 3GPP business.For reaching this purpose, the 3GPP mobility problem between E-UTRAN (evolved universal mobile communication system land radio access web) and 3GPP2/Mobile WiMAX (global microwave system) different access technologies that begins one's study.At present scheme of discussing at 3GPP and existing scheme all lay particular emphasis on according to the signal strength signal intensity of network and select to use certain network insertion.
This basis signal intensity of prior art is selected access network, causes selected network might not be suitable for the characteristic of institute's loaded service.The mode of this selection access network can not embody the advantage of heterogeneous networks carrying different business.And, in the process of selecting access network, need Signalling exchange between portable terminal and the network, brought time delay thus.
Summary of the invention
Embodiments of the invention have disclosed a kind of method of selecting access network, and to reach the purpose that the performance different access networks carries the advantage of different business, this method may further comprise the steps:
The type of service of the business that network side is asked according to portable terminal, the mapping table of inquiry business type and access network obtains the access network of described type of service correspondence;
The business of asking to portable terminal described access network assignment.
Embodiments of the invention have also disclosed a kind of network side apparatus, and to be embodied as the access network that service provisioning that portable terminal asked is fit to this traffic performance, this device comprises:
Memory module is used for the mapping table of storage service type and access network;
Enquiry module, the type of service that is used for the business of asking according to portable terminal is inquired about described mapping table, obtains the access network of described type of service correspondence;
Distribution modulator, the business that the access network assignment that is used for getting access to asks for described portable terminal.
The above embodiment of the present invention, by the corresponding relation of network side according to type of service and access network, service selection access network for the portable terminal initiation, make the network of selecting be suitable for carrying the business that portable terminal is asked, thus the advantage of performance different access networks carrying different business.
Description of drawings
Fig. 1 is the schematic flow sheet of the selection access network of the embodiment of the invention one;
Fig. 2 is the structural representation of the network side apparatus of the embodiment of the invention one;
Fig. 3 is the schematic flow sheet of the selection access network of the embodiment of the invention two;
Fig. 4 is the structural representation of the network side apparatus of the embodiment of the invention two.
Embodiment
In the embodiments of the invention, network side carries the access network of specific transactions for the portable terminal assignment according to the corresponding relation of type of service and access network, thereby the service provisioning of asking for portable terminal is fit to the access network of carrying, gives full play to the advantage of different access networks carrying different business.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
Among first embodiment of the present invention, logic entity is set, is called Multi-RATcoordinator (many RAT telegon, that is, many wireless access telegon is hereinafter to be referred as telegon) at network side.This telegon can be realized by newly-increased independently network entity, also can be integrated in the network entity in the existing network, is integrated in the network entity in the access network usually.If this telegon is by independently network entity realization, then this telegon can communicate with a plurality of Radio Access Networks; If this telegon realizes that by the network entity in the existing network then this telegon can be communicated by letter with other Radio Access Network.
Preserve the mapping table (hereinafter to be referred as mapping table) of type of service and access network on this telegon.In this mapping table, every kind of corresponding a kind of access network of type of service.The matching degree of type of service and network can wait according to data rate, QoS (service quality) demand, the security requirement of business to determine.For example, speech business (being expressed as ServiceType1 in the table 1) can corresponding GSM (global system for mobile communications) network or WCDMA (WCDMA access system) network (being expressed as Network1 in the table 1), and web page browsing business (being expressed as ServiceType2 in the table 1) can corresponding WiMAX network (being expressed as Network2 in the table 1).Table 1 has provided the example of a mapping table:
Table 1
| Type of service ID | Network ID |
| ServiceType1 | Network1 |
| ServiceType2 | Network2 |
This telegon can be created mapping table in the following manner:
Mode one
If this telegon is by independently network entity realization, then by communicating by letter with its local all access networks, as ask each access network report network information, from the network information that each access network reports, obtain the network ID of access network, the corresponding relation of network ID and the type of service that can provide is provided, and is preserved with the corresponding relation sheet form.If this telegon is realized by the network entity in the existing network, then by communicating with other access network, as ask other access network report network information, from the network information that each access network reports, obtain the network ID of access network, obtain the network ID of other access network, the corresponding relation of network ID and the type of service that can provide is provided, and is preserved with the corresponding relation sheet form.
Mode two
In this telegon, dispose mapping table in advance.
Further, can also the mapping table in the telegon be upgraded, as communication interface is provided on telegon, by this communication interface, the system manager can adopt modes such as Web, according to the mapping table on professional and the network attribute renewal telegon, with corresponding relation that increases new business type and network or the corresponding relation of adjusting existing type of service and network.
When portable terminal was initiated service request, telegon was that the process of portable terminal assignment access network can be as shown in Figure 1 according to mapping table.
Referring to Fig. 1, be the schematic flow sheet of the selection access network of the embodiment of the invention one, concrete steps comprise:
If telegon realized by network entity independently, then portable terminal can send to service request and professional relevant information the network of initial access, by this network service request and professional relevant information is forwarded to telegon; If telegon is integrated in the network entity in the initial network that inserts of this portable terminal, then this telegon can receive service request and the professional relevant information that portable terminal is initiated.
The service related information that step 103, telegon send according to portable terminal is judged the type of the business that portable terminal is asked.Generally, different types of service has different QoS, fail safe or data rate requirement, therefore, can judge the type of the business of being asked by the service related information that portable terminal sends;
After step 105, telegon find network ID, the access network of this network ID correspondence of service provisioning of asking for this portable terminal.
In this step, by independently network entity realization, then this telegon can send to assignment message the initial network that inserts of portable terminal, by this network assignment message is forwarded to portable terminal as if telegon; If telegon realizes that by the network entity in the initial network that inserts of portable terminal then this telegon can be sent to portable terminal with assignment message by this access network.After portable terminal receives assignment message, be connected to the access network of assignment, and with the service bearer of being asked on this network.
In order to realize above-mentioned flow process, the structure of the many RAT telegon in the embodiment of the invention can be as shown in Figure 2.
Referring to Fig. 2, be the structural representation of many RAT telegon of the embodiment of the invention.This many RAT telegon is a network side entity, comprising: memory module, enquiry module and distribution modulator, wherein
Memory module is used for the mapping table of storage service type and access network, and mapping table can be pre-configured in the memory module; Mapping table can be as shown in table 1, comprising type of service sign and corresponding access network sign;
Enquiry module is used for the mapping table of the type of service inquiry memory module of the business of asking according to portable terminal, and searches the access network corresponding with this type of service according to this mapping table;
Distribution modulator is used for the business that access network assignment that enquiry module is found asks for portable terminal, that is, indicating mobile terminal with the service bearer of being asked in this access network.
Above-mentioned many RAT telegon also can comprise creation module, and this module is used for the information that reports according to each access network, comprising network ID, creates the mapping table of type of service and access network, and the mapping table of establishment is stored in the memory module.
Above-mentioned many RAT telegon also can comprise receiver module, this module is used for the service related information that mobile terminal receive sends, as information such as QoS, fail safe or data rates, and judge the type of the business that portable terminal is asked according to this service related information, make the enquiry module can be according to this type of service inquiry mapping table.
Among second embodiment of the present invention, many RAT telegon is set at network side.This telegon can also can be integrated in the network entity in the existing network by independently network entity realization, is integrated in the network entity in the access network usually.If this telegon is by independently network entity realization, then this telegon can communicate with a plurality of Radio Access Networks; If this telegon realizes that by the network entity in the existing network then this telegon can be communicated by letter with other Radio Access Network.
Preserve the mapping table of type of service and access network on this telegon, in this mapping table, every kind of corresponding a kind of or a group of access network of type of service.The matching degree of type of service and network can wait according to data rate, QoS (service quality) demand, the security requirement of business to determine.Table 2 has provided the example of a mapping table:
Table 2
| Type of service ID | Network ID | Priority ID (optional) | Network ID | Priority ID (optional) |
| ServiceType1 | Network1 | 1 | Network2 | 2 |
| ServiceType2 | Network3 | 1 | Network1 | 2 |
Priority ID in the table 2 represents the matching degree height of network and type of service, and priority high more (limit priority is 1 in the present embodiment) is represented the suitable more carrying the type of this network business.Priority ID list item is optional, and when this list item not, network ID can be arranged in order according to the height of the priority degree of carrying the type business, comes this network of top expression and is suitable for carrying the type business most, comes taking second place successively of back.
This telegon can be created mapping table by the mode described in embodiment one.
For the mapping table that upgrades in time, with corresponding relation that increases new business type and network or the corresponding relation of adjusting existing type of service and network, the embodiment of the invention is except upgrading this mapping table by the system manager as previously mentioned, situation at the corresponding group network of a kind of type of service also provides following mode to upgrade mapping table automatically:
Telegon is notified each access network report network information, as notify each access network periodic report to comprise the network information of network ID, or the cycle notify each access network to report the network information that comprises network ID, if telegon does not receive the information that access network reports, and corresponding network ID is present among the group network ID in the mapping table, and then telegon is deleted this network ID; If telegon receives the information that access network reports, and corresponding network ID is not present in the mapping table, then telegon is increased to this network ID in the tabulation of the pairing network ID of corresponding business type, can according to the strategy that sets in advance (as this kind network can be corresponding which kind of or which type of service) this network ID is corresponding with the corresponding business type.
Further, also can comprise the information that can reflect network operation situation in the network information that telegon notifies each access network to report, as information such as loading conditions.The information that telegon reports according to each access network is adjusted the priority of the pairing group network of type of service.As a load-threshold value is set, when offered load is lower than this threshold value, with grade of priority raising of this network, when offered load is higher than this threshold value, with grade of priority reduction of this network.Preferably, can also upgrade priority further combined with professional match-type, for example, if offered load is lower than threshold value, and the matching degree height of this network and the type business (the matching degree height can wait according to data rate, QoS demand or the security requirement of business to determine), then the priority with this network improves a grade; If offered load is lower than threshold value, but the matching degree of this network and the type business is low, then can keep the current priority of this network.By above-mentioned renewal process, make the pairing access network of this type of service from carrying out Determination of priority with the matching degree and network practical operation situation two aspects of business, go out optimal bearer network thereby can be the service selection that portable terminal asks.
When portable terminal was initiated service request, telegon was that the process of portable terminal assignment access network can be as shown in Figure 3 according to mapping table.
Referring to Fig. 3, be the schematic flow sheet of the selection access network of the embodiment of the invention two, concrete steps comprise:
In the present embodiment, require portable terminal after initiating service request and sending service related information, periodically send uplink information.
The service related information that step 302, telegon send according to portable terminal is judged the type of the business that portable terminal is asked;
In this step, a timer can be set access network feedback snoop results is carried out timing,, think that then this access network does not hear the information that terminal sends if timer expired is not also received the snoop results of access network feedback.
The access network of this network ID correspondence of service provisioning that step 307, telegon are asked for this portable terminal.After portable terminal is accepted the assignment of telegon, be connected to the access network of assignment, the service bearer of being asked on this network, and is stopped at up periodicity and sends information.
In order to realize above-mentioned flow process, the structure of the many RAT telegon in the embodiment of the invention can be as shown in Figure 4.
Participate in Fig. 4, be the structural representation of many RAT telegon of the embodiment of the invention two, this many RAT telegon is a network side entity, comprising: memory module, enquiry module and distribution modulator, wherein
Memory module is used for the mapping table of storage service type and access network, and mapping table can be pre-configured in the memory module; Mapping table can be as shown in table 2, and comprising type of service sign and corresponding access network sign, type of service sign can corresponding one or a group of access network identity; When a type of service identified corresponding a group of access network, these access networks had priority respectively;
Enquiry module is used for the type of service inquiry corresponding relation bag of the business of asking according to portable terminal, and searches the access network corresponding with this type of service according to this mapping table; Enquiry module can be according to the priority of access network, according to priority selective sequential access network from high to low;
Distribution modulator, the business that the access network assignment that is used for that enquiry module is found asks for described portable terminal.
Also can comprise judge module in above-mentioned many RAT telegon, the access network that this module is used to notify enquiry module to find is monitored the information that portable terminal sends, and line period sent on this information was passed through after initiating service request by portable terminal; Also be used to receive the snoop results that access network sends, judge according to this snoop results whether this access network listens to the information that portable terminal sends, if listen to, the business of asking to portable terminal this access network assignment then; Otherwise the notice enquiry module is searched the access network that this type of service corresponding priorities is taken second place in mapping table.
Above-mentioned many RAT telegon also can comprise receiver module, and this module is used for the business information that mobile terminal receive sends, and determines the type of service that described portable terminal is asked according to described business information.
Above-mentioned many RAT telegon also can comprise creation module, and this module is used for the described mapping table of information creating that reports according to each access network, and stores in the described memory module.
Above-mentioned many RAT telegon also can comprise update module, and this module is used for according to each access network report network information updating mapping table.This update module can comprise first updating submodule and second updating submodule, can comprise that also the 3rd upgrades submodule, wherein
First updating submodule is used for when receiving the network information that access network reports, but this access network joins this access network in the mapping table when not being present in the mapping table; Second updating submodule is used for not receiving the information that access network reports, but this access network is rejected this access network when being present in the mapping table from mapping table; The network information that the 3rd renewal submodule is used for reporting according to each access network is upgraded the priority of the access network of mapping table; The 3rd upgrades the priority that matching degree that submodule also can be used for the network information that reports according to each access network and network and type of service is upgraded the access network in the described mapping table.
In sum, the above embodiment of the present invention, many RAT telegon by network side is that the service selection that portable terminal is asked is carried this professional network according to the mapping table of type of service and access network, make full use of the advantage of heterogeneous networks carrying different business, made every kind of business all on optimal network, carry transmission.And network side has initiative and comes the business configuration bearer network of initiating for portable terminal, and network side can wait the flexible configuration mapping table according to the demand of loading condition, operator like this, thereby is the optimal network insertion of portable terminal appointment use.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (20)
1, a kind of method of selecting access network is characterized in that, may further comprise the steps:
The type of service of the business that network side is asked according to portable terminal, the mapping table of inquiry business type and access network obtains the access network of described type of service correspondence;
The business of asking to portable terminal described access network assignment.
2, the method for claim 1 is characterized in that, the corresponding multiple access network of described type of service, and described multiple access network has priority respectively;
The mapping table of network side inquiry business type and access network obtains the access network of described type of service correspondence, is specially:
Network side is inquired about the multiple access network of described type of service correspondence, obtains corresponding access network according to priority order from high to low.
3, the method for claim 1 is characterized in that, the corresponding multiple access network of described type of service, and described multiple access network has priority respectively;
After network side obtains the access network of described type of service correspondence, also comprise step:
The access network that notice gets access to is monitored the information that portable terminal sends, and described information is sent after the initiation service request by described portable terminal;
Receive the snoop results that this access network sends;
Judge that according to described snoop results this access network listens to the information that portable terminal sends, if listen to, the business of asking to described portable terminal this access network assignment then; Otherwise, continuation is obtained the access network that described type of service corresponding priorities is taken second place according to described mapping table, and judge whether the access network that gets access to listens to the information that described portable terminal sends, after the access network that gets access to listens to the information that described portable terminal sends, stop to obtain, and will listen to the business that the access network assignment of the information that described portable terminal sends is asked to described portable terminal.
4, method as claimed in claim 3 is characterized in that, the access network assignment to after the business of described mobile terminal request, is also comprised step:
Described portable terminal arrives described access network with the service bearer of being asked, and stops to send described information.
5, the method for claim 1 is characterized in that, described mapping table is pre-configured, or the information creating that is reported according to each access network by described network side.
6, method as claimed in claim 5 is characterized in that, comprises that also described network side upgrades the step of described mapping table, and described step comprises:
Described network side is notified each access network report network information;
Upgrade described mapping table according to the network information of each access network that receives.
7, method as claimed in claim 6 is characterized in that, upgrades described mapping table according to the network information of each access network that receives, and comprising:
When receiving the network information that access network reports, but described access network adds described mapping table with described access network not in described mapping table the time;
When not receiving the information that access network reports, but described access network is rejected described access network when being present in the described mapping table from described mapping table.
8, method as claimed in claim 7 is characterized in that, the corresponding multiple access network of described type of service, and described multiple access network has priority respectively;
The network information of each access network that described basis receives is upgraded described mapping table, also comprises:
The network information that reports according to each access network is upgraded the priority of the access network in the described mapping table;
Perhaps, the matching degree of the network information that reports according to each access network and network and type of service is upgraded the priority of the access network in the described mapping table.
As the described method of the arbitrary claim of claim 1 to 8, it is characterized in that 9, the type of service in the described mapping table and the corresponding relation of access network are to determine according to professional data rate, QoS requirement or fail safe.
As the described method of the arbitrary claim of claim 1 to 8, it is characterized in that 10, described mapping table comprises type of service sign and corresponding access network sign.
11, as the described method of the arbitrary claim of claim 1 to 8, it is characterized in that described mapping table is stored in described network side.
12, a kind of network side apparatus is characterized in that, comprising:
Memory module is used for the mapping table of storage service type and access network;
Enquiry module, the type of service that is used for the business of asking according to portable terminal is inquired about described mapping table, obtains the access network of described type of service correspondence;
Distribution modulator, the business that the access network assignment that is used for getting access to asks for described portable terminal.
13, network side apparatus as claimed in claim 12 is characterized in that, the corresponding multiple access network of described type of service, and described multiple access network has priority respectively;
Described enquiry module is further used for, and according to the priority of the multiple access network of described type of service correspondence, obtains corresponding access network according to priority order from high to low.
14, network side apparatus as claimed in claim 12 is characterized in that, the corresponding multiple access network of described type of service, and described multiple access network has priority respectively;
Described network side apparatus also comprises:
Judge module is used to notify the access network that gets access to monitor the information that portable terminal sends, and described information is sent after the initiation service request by described portable terminal; Also be used to receive the snoop results that this access network that gets access to sends, judge according to described snoop results whether this access network listens to the information that portable terminal sends, if listen to, the business of asking to described portable terminal this access network assignment then; Otherwise, notify described enquiry module to obtain the access network that described type of service corresponding priorities is taken second place according to described mapping table.
15, network side apparatus as claimed in claim 12 is characterized in that, also comprises:
Receiver module is used for the business information that mobile terminal receive sends, and determines the type of service that described portable terminal is asked according to described business information.
16, network side apparatus as claimed in claim 12 is characterized in that, also comprises:
Creation module is used for the described mapping table of information creating that reports according to each access network, and stores in the described memory module.
17, network side apparatus as claimed in claim 12 is characterized in that, also comprises:
Update module is used for upgrading described mapping table according to each access network report network information.
18, network side apparatus as claimed in claim 17 is characterized in that, described update module comprises:
First updating submodule is used for when receiving the network information that access network reports, but described access network adds described mapping table with described access network when not being present in the described mapping table;
Second updating submodule is used for not receiving the information that access network reports, but described access network is rejected described access network when being present in the described mapping table from described mapping table.
19, network side apparatus as claimed in claim 18 is characterized in that, the corresponding multiple access network of described type of service, and described multiple access network has priority respectively;
Described update module comprises that also the 3rd upgrades submodule, is used for upgrading according to the network information that each access network reports the priority of the access network of described mapping table; Perhaps, the matching degree that is used for the network information that reports according to each access network and network and type of service is upgraded the priority of the access network of described mapping table.
20, network side apparatus as claimed in claim 12 is characterized in that, described mapping table comprises type of service sign and corresponding access network sign.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101785837A CN101453779A (en) | 2007-11-30 | 2007-11-30 | Method for selecting access network and network side apparatus |
| PCT/CN2008/001956 WO2009074013A1 (en) | 2007-11-30 | 2008-12-01 | Method and apparatus for selecting access network |
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| CNA2007101785837A CN101453779A (en) | 2007-11-30 | 2007-11-30 | Method for selecting access network and network side apparatus |
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| CN108200542B (en) * | 2017-12-29 | 2021-07-30 | 海能达通信股份有限公司 | Method and device for interconnecting multiple incompatible systems |
| CN111818547A (en) * | 2019-04-10 | 2020-10-23 | 华为技术有限公司 | Network configuration method and device |
| CN111818547B (en) * | 2019-04-10 | 2022-06-24 | 华为云计算技术有限公司 | Network configuration method and device |
| WO2020207359A1 (en) * | 2019-04-10 | 2020-10-15 | 华为技术有限公司 | Network configuration method and apparatus |
| WO2021223157A1 (en) * | 2020-05-07 | 2021-11-11 | 北京小米移动软件有限公司 | Communication control method and communication control apparatus |
| WO2022006759A1 (en) * | 2020-07-07 | 2022-01-13 | 北京小米移动软件有限公司 | Information transmission method and apparatus, communication device, and storage medium |
| CN114175740A (en) * | 2020-07-07 | 2022-03-11 | 北京小米移动软件有限公司 | Information transmission method, device, communication equipment and storage medium |
| CN114175740B (en) * | 2020-07-07 | 2024-04-30 | 北京小米移动软件有限公司 | Information transmission method, apparatus, communication device and storage medium |
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