CN101207916A - Communication system, access network, terminal and method for resource negotiation - Google Patents
Communication system, access network, terminal and method for resource negotiation Download PDFInfo
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Abstract
The invention relates to the communication filed, in particular to a method, a terminal, an access network and a communication system for resource negotiation, which are used for improving the resource negotiation process in a Media Independent Handover process. In the invention, a terminal device sends resource query information in the Media Independent Handover process to the corresponding service access network; the service access network requests candidate access networks according to the resource query information and obtains actual available resource information of the candidate access networks. Adopting the technical proposal of the invention, the problem that two terminals are not capable of switching normally in the Media Independent Handover process can be avoided, thereby resulting in the normal proceeding of the whole handover process.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, terminal, access network and communication system of carrying out resource negotiation.
Background technology
Development of Communication Technique is maked rapid progress, and various new access technologies emerge in an endless stream, and heterogeneous networks also has each adaptive coverage and application scenarios.In order to realize ubiquitous Communications service, support the multimode terminal of plurality of access modes to arise at the historic moment, how the seamless switching between these heterogeneous networks and the problem of roaming become outstanding day by day to user terminal simultaneously.(comprise 802 networks and 3GPP (3rd Generation PartnershipProject such as IEEE802.3, IEEE802.11, IEEE802.16 in order to solve the user at heterogeneous network, 3G (Third Generation) Moblie standardization body) and cellular network such as 3GPP2) between the seamless switching problem, IEEE 802 wireless working groups have set up requirement and corresponding handover mechanism that IEEE 802.21 working groups come standard to switch between various criterion.
The purpose of IEEE802.21 standard development is to provide the handoff procedure between the different media types, by supporting the switching between the different media types to strengthen the experience of user to mobile device, target is finally to make mobile device can select best network connection type and seamless switching speech channel automatically when internetwork roaming, and need not user intervention.In general, terminal and network may be multimodes all as base station, PoA (Point ofAttachment, attachment point), that is to say to support different wireless standards, can carry out speech and transfer of data simultaneously sometimes on a plurality of interfaces.Present mobile communications network has developed to microcellulor (IEEE802.11) and macrocellular (3GPP, 3GPP2, IEEE 802.16), may intersect covering between these honeycombs mutually, switches just may take place between networks of different type.Switch the measurement generally be based on the terminal links layer and triggering, these measurements comprise measurements such as signal quality, transmission error code and type of service.
The solution that the media-independent of IEEE802.21 switches has been introduced and a kind ofly can have been guaranteed professionally between the different media types to switch successional framework, is seamlessness and the continuity that realizes this switching, need realize one group of handoff functionality collection between network element.These handoff functionality collection of configuration have just formed a new protocol function layer in the mobility management protocol stack of network element, are referred to as MIHF (Media Independent HandoverFunction, media-independent handoff functionality) module.The MIHF module in the mobility management protocol stack the position and key service as shown in Figure 1, the MIHF module logically is defined as a thin layer in the mobility management protocol stack of terminal and network, plays help function in switching decision process; At multimode terminal, the MIHF module offers the upper strata and need make the switching decision and how effectively make some necessary informations of switching decision, and switching decision and link selection are made based on the input and the context of MIHF module in the upper strata, thereby realize seamless switching; Media-independent switches the handoff procedure that (MIH, Media Independent Handover) functional entity mainly provides following service to help the user:
Media-independent Event Service (MIES, Media Independent Event Service): classification, filtration and report about the dynamic change incident of link characteristics, Link State and link-quality are provided;
Media-independent command service (MIC S, Media Independent Command Service): the means that management of MIH line module and the control link behavior relevant with switching and mobility is provided;
Media-independent service (MIIS, Media Independent Information Service): the feature and the professional details of service access network and ambient network are provided, and these information are used for the efficient system access and switch decision.
MIH User (user) module is mobile management and the application protocol layer that belongs to layer three, comprise MIPv4/v6 (Mobile Internet Protocol, mobile Internet Protocol), SIP mobility management protocol and switchover policy, transmission and application etc. such as (Session InitiatedProtocol, conversation initialized protocols).The MIHF module provides the media independent handoff protocol layer of command service, Event Service and information service, is the link layer of various access networks under the MIHF module, as 802.3,802.11,802.16 and link layer such as 3GPP.
The MIHF module functions be by Event Service, command service and information service that provide with handoff functionality media-independent, this independence is to provide unified interface to realize by the lower-layer protocols in the mobility management protocol stack to the upper strata, makes the processing of upper-layer protocol not rely on the concrete feature and the characteristic of terminal and wireless network.
In existing technology, undertaken comprising the primitive of incident, order and information alternately by MIH_SAP (Service Access Point, Service Access Point) primitive between the MIHF module of MIH line module and this locality.Undertaken alternately by MIH message between the MIHF module of this locality and far-end equity.
For the selection of handover network in the auxiliary handoff procedure, the functions such as distribution of resource, better support the purpose of seamless switching, need before switch decision, carry out the negotiation of resource by terminal and network side, particularly according to the required utilization of resources situation of switching of equipment, user or session, before switching, clearly can switch, and switch the communication quality that to support in the past etc.
In the Draft of existing IEEE802.21 technology (draft), defined one group of four primitive and a pair of message relevant with the negotiation of resource, be used for primitive and interacting message that the media-independent switching flow switches initial trigger, Fig. 2 has described the communication process between two reciprocity MIH line modules, wherein 1,3,4,6 carry out four mutual primitive for local levels inter-entity, and 2,5 is that two reciprocity MIHF intermodules carry out mutual a pair of message.Mutual by above-mentioned primitive and message, thus the switching of triggering terminal and network is prepared, judgement and the process carried out.As shown in Figure 2 four primitive and a pair of message are respectively:
(1) primitive 1 is media-independent handoff candidate access network query requests;
When terminal triggered the media-independent switching, this media-independent handoff candidate access network query requests was MIH_MN_HO_Candidate_Query.request; When network side triggered the media-independent switching, this media-independent handoff candidate access network query requests was MIH_Net_HO_Candidate_Query.request, and the parameter of these two primitive definition is identical.
The primitive definition of this order is except comprising some parameters that are used to identify (as SourceIdentitier (source entity sign), DestinationIdentifier (target entity sign), CurrentLinkIdentifier (current chain line) or the like), mainly also comprise two parameter QueryResourceList (query resource tabulation) and QueryResourceListFlag (query resource tabulation mark), be used for representing query resource information and query resource information flag information respectively.Switch and both can trigger, also can trigger by service access network by terminal.Trigger under the situation about switching in terminal, terminal can be by the QueryResourceList parameter to the required resource of each candidate's access network inquiry; Trigger under the situation about switching at network side, whether the PoS of service access network need represents terminal to provide to the required resource of each candidate's access network inquiry by the QueryResourceListFlag parameter.
This primitive correspondence be message 2, message 2 is media-independent handoff candidate access network inquiry request message, but at present, but only define the partial parameters that media-independent handoff candidate access network query requests primitive comprises in this message, comprised SuggestedNewLinkIdentitier (new chain line), SuggestedMACNewPoAIdentifier (Media Access Control Address of the PoA of new network), HandoverMode (switch mode) and OldLinkAction (behavior of old link).
(2) primitive 3 is media-independent handoff candidate access network inquiry indication;
When terminal triggered the media-independent switching, this media-independent handoff candidate access network inquiry was designated as MIH_MN_HO_Candidate_Query.indication; When network side triggered the media-independent switching, this media-independent handoff candidate access network inquiry was designated as MIH_Net_HO_Candidate_Query.indication, and the parameter of these two primitive definition is identical.
This order is used for notifying local MIH line module to receive the handoff candidate access network inquiry request message that opposite end MIHF module is sent.
The primitive definition and the media-independent handoff candidate access network query requests primitive parameter basically identical of this order just do not comprise the QueryResourceList parameter.
(3) primitive 4 is media-independent handoff candidate access network inquiry response;
When terminal triggered the media-independent switching, this media-independent handoff candidate access network inquiry response was MIH_MN_HO_Candidate_Query.response; When network side triggered the media-independent switching, this media-independent handoff candidate access network inquiry response was MIH_Net_HO_Candidate_Query.response, and the parameter of these two primitive definition is identical.
This order is used for the response to media-independent handoff candidate access network inquiry request command.The primitive definition of this order is except comprising some parameters that are used to identify (as SourceIdentifier, DestinationIdentifier, CurrentLinkIdentifier or the like), mainly also comprise two parameter QueryResourceList and AvailableResourceList (actual list of available resources), wherein, actual list of available resources is used for representing the actual available resource information of collecting from each candidate's access network.
This primitive correspondence be message 5, message 5 is media-independent handoff candidate access network query response message, but this message has only defined the partial parameters that media-independent handoff candidate access network inquiry response primitive comprises, and comprises HandoverAck (switch mode), PreferredLinkIdentifier (sign of new link), PreferredPoAIdentifier (sign of new network PoA) and ErrorCode (error reason).
(4) primitive 6 is media-independent handoff candidate access network acknowledgment of your inquiry.
When terminal triggered the media-independent switching, this media-independent handoff candidate access network acknowledgment of your inquiry was MIH_MN_HO_Candidate_Query.confirm; When network side triggered the media-independent switching, this media-independent handoff candidate access network acknowledgment of your inquiry was MIH_Net_HO_Candidate_Query.confirm, and the parameter of these two primitive definition is identical.
This order is used for notifying local MIH line module to receive the handoff candidate access network query response message that opposite end MIHF module is sent.
The primitive definition and the media-independent handoff candidate access network inquiry response primitive parameter basically identical of this order just do not comprise the QueryResourceList parameter.
As seen, there are the inconsistent problem of parameter-definition in above-mentioned four primitive and the corresponding a pair of message relevant with media-independent handover negotiation optimization resource, only by having the definition of these four primitive and corresponding message now, two opposite end MIH line modules can't carry out the negotiation of resource request, cause whole switching flow normally not carry out.Specifically, there is following subject matter:
A, owing to do not contain any parameter relevant in media-independent handoff candidate access network inquiry request message and the primitive with resource, therefore two opposite end MIH line modules can not carry out the negotiation of resource query request, thereby can't finish the mutual of query resource information and actual list of available resources information;
Though B, in media-independent handoff candidate access network query response message and primitive, carried the AvailableResourceList parameter, promptly be used to return the actual available resource information of each candidate's access network, but these actual available resource information and its belonging networks are not mapped, therefore for terminal, can't only do the formulation of handover decisions by these actual available resource informations.Cause existing under the situation of a plurality of candidate's access networks the resource situation that can't clear and definite each candidate's access network can provide like this.
As seen, in the process that existing MIH consults, because the message relevant with negotiation and the problem of the parameter in the primitive can cause this negotiations process to realize.
Summary of the invention
The invention provides a kind of method, terminal, access network and communication system of carrying out resource negotiation, in order to improve the resource negotiation process in the media-independent switching.
In order to solve the problems of the technologies described above, the specific embodiment of the present invention provides a kind of method of carrying out resource negotiation, may further comprise the steps:
Terminal equipment sends to query resource information the service access network of correspondence in media-independent switches;
Described service access network according to described query resource information to candidate's access network request and obtain the actual available resource information of described candidate's access network.
The specific embodiment of the present invention also provides a kind of terminal equipment, and described terminal equipment comprises that media-independent switches MIH line module and media-independent handoff functionality MIHF module, wherein:
Described MIH line module sends to described MIHF module with query resource information in media-independent switches;
Described MIHF module sends to corresponding service access network with described query resource information.
The specific embodiment of the present invention also provides a kind of access network, and described access network comprises that media-independent switches MIH line module and media-independent handoff functionality MIHF module, wherein:
The query resource information that described MIHF module receiving terminal apparatus sends, and described query resource information sent to described MIH line module;
Described MIH line module according to described query resource information to candidate's access network request and obtain the actual available resource information of described candidate's access network.
The specific embodiment of the present invention also provides a kind of communication system, and described system comprises:
Terminal equipment is used for switching the query resource information that sends at media-independent;
Access network is used for described terminal equipment is linked into network, wherein:
The service access network of described terminal equipment correspondence receives described query resource information, and sends the request of actual available resource information according to described query resource information;
Candidate's access network sends to described service access network according to described request with actual available resource information.
The beneficial effect of the specific embodiment of the present invention is as follows:
Terminal equipment sends to query resource information the service access network of correspondence in media-independent switches; Service access network according to this query resource information to candidate's access network request and obtain the actual available resource information of candidate's access network.Adopt technical solution of the present invention, can avoid two opposite ends in the media-independent handoff procedure, can not carry out normal resource negotiation, thereby make whole switching flow normally to carry out.
Description of drawings
Fig. 1 is position and the key service schematic diagram of MIHF module in the mobility management protocol stack in the prior art;
Fig. 2 is two communication process schematic diagrames between the reciprocity MIH line module;
Fig. 3 is a flow chart of consulting resource in the embodiment of the invention one in the media-independent handoff procedure;
Fig. 4 is a flow chart of consulting resource in the embodiment of the invention two in the media-independent handoff procedure;
Fig. 5 is a flow chart of consulting resource in the embodiment of the invention three in the media-independent handoff procedure;
Fig. 6 is the communication system block diagram in one embodiment of the present of invention.
Embodiment
In the embodiment of the invention, terminal equipment sends to query resource information the service access network of correspondence in media-independent switches; Service access network according to this query resource information to candidate's access network request and obtain the actual available resource information of candidate's access network.
Below in conjunction with accompanying drawing the embodiment of the invention is done description further.
Embodiment one
In the present embodiment, trigger switching, and do handover decisions by terminal by terminal.
In the present embodiment, the flow process of negotiation resource may further comprise the steps as shown in Figure 3 in the media-independent handoff procedure:
Step S101, the MIH line module of terminal send to local MIHF module and carry the media-independent handoff candidate access network query requests primitive of query resource information;
Step S102, after the MIHF module of terminal was received this primitive, the media-independent handoff candidate access network inquiry request message by correspondence sent to opposite end MIHF module with this query resource information;
Do not carry query resource information owing in existing media-independent handoff candidate access network inquiry request message, define the parameter of query resource information, therefore, in the present embodiment, need be the parameter of media-independent handoff candidate access network inquiry request message definition query resource information, be used for carrying query resource information, to guarantee carrying out smoothly of resource negotiation process.
Step S103 after the MIHF module of service access network is received this message, therefrom extracts this query resource information and inquires about the MIH line module that indication reports this query resource information service access network by media-independent handoff candidate access network;
Owing to need trigger the request of obtaining actual available resource information to each candidate's access network by the MIH line module, therefore, the MIH line module should be known this query resource information, thereby obtain the actual available resource information corresponding with this query resource information to each candidate's access network, in the present embodiment, parameter for media-independent handoff candidate access network inquiry indication definition query resource information, be used for carrying query resource information, make the MIH line module can obtain query resource information, thereby query resource information can be sent to candidate's access network.
Step S104, the MIH line module of service access network passes through the actual available resource information of its MIHF module to each candidate's access network request candidate access network according to the query resource information that receives;
Step S105, candidate's access network returns its actual available information to the MIHF of service access network module, and should actual available resource information report its MIH line module by the MIHF module of service access network;
Step S106, the MIH line module of service access network is by media-independent handoff candidate access network inquiry response primitive, and the actual available resource information that will obtain from each candidate's access network and the identification information of corresponding candidate's access network thereof send to local MIHF module;
Step S107, after the MIHF module of service access network is received above-mentioned media-independent handoff candidate access network inquiry response primitive, the media-independent handoff candidate access network query response message by media-independent handoff candidate access network inquiry response primitive correspondence should actual available resource information and the ID (identification information) of corresponding candidate's access network return to the MIHF module of terminal;
In the prior art, the actual available resource information parameter of carrying in media-independent handoff candidate access network query response message and the primitive not with its under candidate's access network be mapped, need formulate by terminal under the situation of handover decisions, terminal is only known actual available resource information, and does not know that the candidate's access network under it can't use it to do handover decisions.
Therefore, in the present embodiment, can actual available resource information and its corresponding candidate's access network be associated in the MIHF module; Identification information notice terminal by the actual available resource information after in media-independent handoff candidate access network query messages, carrying association and corresponding candidate's access network thereof, by such processing, terminal can utilize the identification information of available resource information and corresponding candidate's access network thereof to formulate handover decisions.
Step S108, the MIHF module of terminal should actual available resource information by media-independent handoff candidate access network acknowledgment of your inquiry primitive and the identification-information reporting of corresponding candidate's access network give the MIH line module of terminal, use when formulating handover decisions for terminal MIH line module.
As seen, adopt the present embodiment technical scheme, triggering switching by terminal, and doing by terminal under the situation of handover decisions, can correctly realize the resource negotiation that media-independent switches.
Embodiment two
In the present embodiment, trigger switching, and do handover decisions by network side by terminal.
In the present embodiment, the flow process of negotiation resource may further comprise the steps as shown in Figure 4 in the MIH process:
Step S201, the MIH line module of terminal send to local MIHF module and carry the media-independent handoff candidate access network query requests primitive of query resource information;
Step S202, after the MIHF module of terminal was received the media-independent handoff candidate access network query requests primitive that the MIH line module sends, the media-independent handoff candidate access network inquiry request message by correspondence sent to opposite end MIHF module with this query resource information;
Step S203, after the MIHF module of service access network is received media-independent handoff candidate access network inquiry request message, therefrom extract query resource information and inquire about the MIH line module that indication reports this query resource information service access network by media-independent handoff candidate access network;
Step S204, the MIH line module of service access network passes through the actual available resource information of its MIHF module to each candidate's access network request candidate access network according to the query resource information that receives;
Step S205, candidate's access network returns its actual available information to the MIHF of service access network module, and should actual available resource information report its MIH line module by the MIHF module of service access network, use when formulating handover decisions for the MIH line module of service access network;
Step S206, the MIH line module of service access network sends to local MIHF module with media-independent handoff candidate access network inquiry response primitive;
In this step, the selectable actual available resource information that obtains from each candidate's access network and the sign of corresponding candidate's access network thereof of carrying in the media-independent handoff candidate access network inquiry response primitive.
Step S207 after the MIHF module of service access network is received the media-independent handoff candidate access network inquiry response primitive of MIH line module transmission, returns to media-independent handoff candidate access network query response message the MIHF module of terminal;
In this step, selectable sign of carrying this actual available resource information and corresponding candidate's access network thereof in the media-independent handoff candidate access network query response message.
Step S208, the MIHF module of terminal reports media-independent handoff candidate access network acknowledgment of your inquiry primitive the MIH line module of terminal.
In this step, selectable sign of carrying this actual available resource information and corresponding candidate's access network thereof in the media-independent handoff candidate access network acknowledgment of your inquiry primitive.
As seen, adopt the present embodiment technical scheme, triggering switching by terminal, and doing by network side under the situation of handover decisions, can correctly realize the resource negotiation that media-independent switches.
Embodiment three
In the present embodiment, trigger switching, and do handover decisions by network side by network side.
In the present embodiment, the flow process of negotiation resource may further comprise the steps as shown in Figure 5 in the MIH process:
Step S301, the MIH line module of service access network is according to whether the needs terminal provides query resource information to send the media-independent handoff candidate access network query requests primitive that carries corresponding query resource label information to local MIHF module;
In this step, whether the MIH line module of service access network can exist the query resource information of terminal to determine whether that the needs terminal provides query resource information according to this locality.
Step S302, the MIHF module of service access network sends the media-independent handoff candidate access network inquiry request message that carries this query resource label information to the MIHF of terminal module;
Owing in existing media-independent handoff candidate access network inquiry request message, do not define the query resource flag parameters, therefore, in the present embodiment, need be media-independent handoff candidate access network inquiry request message definition query resource flag parameters, be used for carrying the query resource label information, to guarantee carrying out smoothly of resource negotiation process.
Step S303 after the MIHF module of terminal is received this message, therefrom extracts the query resource label information, and reports the MIH line module of terminal by media-independent handoff candidate access network inquiry indication;
Step S304, the MIH line module of terminal judges whether this query resource label information identifies needs terminal that query resource information is provided, if query resource information is carried at the MIHF module that sends to this locality in the media-independent handoff candidate access network inquiry response primitive; Otherwise, in the media-independent handoff candidate access network inquiry response primitive that sends to local MIHF module, do not need to carry query resource information;
Step S305, the MIHF module of terminal sends to media-independent handoff candidate access network query response message the MIHF module of service access network;
If media-independent handoff candidate access network inquiry response primitive has carried query resource information, then also should carry this query resource information in this media-independent handoff candidate access network response message, otherwise just not need to carry this query resource information.
Owing in existing media-independent handoff candidate access network query response message, do not define the parameter of query resource information, therefore, in the present embodiment, need be the parameter of media-independent handoff candidate access network query response message definition query resource information, be used for carrying query resource information, to guarantee carrying out smoothly of resource negotiation process.
Step S306, the MIHF module of service access network sends media-independent handoff candidate access network acknowledgment of your inquiry primitive to the MIH of this locality line module;
If media-independent handoff candidate access network query response message has carried query resource information, then also should carry this query resource information in this media-independent handoff candidate access network acknowledgment of your inquiry primitive, otherwise just not need to carry this query resource information.
Because in the prior art, media-independent handoff candidate access network confirms not define in the primitive parameter of query resource information, can't carry query resource information, therefore, in the present embodiment, need guarantee correctly carrying out of negotiations process for the parameter of media-independent handoff candidate access network acknowledgment of your inquiry primitive definition query resource information.
Step S307, the MIH line module of service access network utilizes the query resource information or the local query resource information of preserving of service access network of wherein carrying to pass through the actual available resource information of its MIHF module to each candidate's access network request candidate access network when receiving media-independent handoff candidate access network acknowledgment of your inquiry primitive;
Step S308, candidate's access network returns its actual available information to the MIHF of service access network module, and should actual available resource information report its MIH line module by the MIHF module of service access network, use when formulating handover decisions for the MIH line module of service access network.
Embodiment four
In the present embodiment, trigger switching, and do handover decisions by terminal by network side.
In the present embodiment, trigger from service access network and switch to service access network to obtain the flow process of actual available resource information of candidate's access network all identical with embodiment three.After service access network obtains the actual available resource information of candidate's access network, need should actual available resource information and the sign of corresponding candidate's access network send to the MIH line module of terminal, use when formulating handover decisions for terminal MIH line module.
In the various embodiments described above, query resource information of carrying in primitive and the message and actual available resource information can adopt the form of the Resources list, also can use the form of link QoS (Quality of Service, quality of service) index.
Terminal equipment in one embodiment of the invention comprises MIH line module and MIHF module, wherein:
The MIH line module sends to the MIHF module with query resource information in media-independent switches;
The MIHF module sends to corresponding service access network with this query resource information.
The MIHF module can receive the query resource label information that service access network sends, and this query resource label information is sent to the MIH line module, and whether this query resource label information shows needs terminal equipment that this query resource information is provided;
The MIH line module sends to service access network with this query resource information by the MIHF module when determining that according to this label information needs provide this query resource information.
The MIHF module can receive the actual available resource information of service access network transmission and the identification information of corresponding candidate's access network thereof, and sends to the MIH line module.
Access network in one embodiment of the invention comprises MIH line module and MIHF module, wherein:
The query resource information that MIHF module receiving terminal apparatus sends, and this query resource information sent to the MIH line module;
The MIH line module according to this query resource information to candidate's access network request and obtain the actual available resource information of candidate's access network.
Whether the MIH line module can need terminal equipment to provide the query resource label information of this query resource information to send to terminal equipment by the MIHF module with showing.
After the MIH line module obtains this actual available resource information, the identification information of this actual available resource information and corresponding candidate's access network thereof is sent to terminal equipment by the MIHF module.
Communication system in one embodiment of the invention as shown in Figure 6, comprising:
Terminal equipment is used for switching the query resource information that sends at media-independent;
Access network is used for terminal equipment is linked into network, wherein:
The service access network of terminal equipment correspondence receives this query resource information, and sends the request of actual available resource information according to this query resource information;
Candidate's access network sends to service access network according to this request with actual available resource information.
In the present embodiment, can trigger media-independent by service access network and switch, and show the query resource label information that whether needs terminal equipment that this query resource information is provided to the terminal equipment transmission;
Terminal equipment is determining that according to this label information needs send this query resource information when this query resource information is provided.
Service access network can be after obtaining this actual available resource information, and the identification information of this actual available resource information and corresponding candidate's access network thereof is sent to terminal equipment.
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 (17)
1. a method of carrying out resource negotiation is characterized in that, may further comprise the steps:
Terminal equipment sends to query resource information the service access network of correspondence in media-independent switches;
Described service access network according to described query resource information to candidate's access network request and obtain the actual available resource information of described candidate's access network.
2. the method for claim 1 is characterized in that, triggers media-independent by described terminal equipment and switches.
3. the method for claim 1, it is characterized in that, trigger media-independent by described service access network and switch, and send the query resource label information to terminal equipment, whether described query resource label information shows needs described terminal equipment that described query resource information is provided;
Described terminal equipment is according to described query resource label information, when determining to provide described query resource information, sends described query resource information.
4. the method for claim 1 is characterized in that, described query resource information and actual available resource information adopt the form of the Resources list, perhaps adopts the form of link traffic quality index.
5. as the described method of arbitrary claim in the claim 1 to 4, it is characterized in that, the media-independent handoff functionality MIHF module of described service access network receives described query resource information, and described query resource information is sent to the media-independent switching MIH line module of described service access network.
6. as the described method of arbitrary claim in the claim 1 to 4, it is characterized in that, after described service access network obtains described actual available resource information, the identification information of described actual available resource information and corresponding candidate's access network thereof is sent to described terminal equipment.
7. method as claimed in claim 6, it is characterized in that, after the MIH line module of described service access network obtains described actual available resource information, the identification information of described actual available resource information and corresponding candidate's access network thereof is sent to the MIHF module of described service access network.
8. method as claimed in claim 6 is characterized in that, the MIHF module of described terminal equipment receives the identification information of described actual available resource information and corresponding candidate's access network thereof, and sends it to the MIH line module of described terminal equipment.
9. a terminal equipment is characterized in that, described terminal equipment comprises that media-independent switches MIH line module and media-independent handoff functionality MIHF module, wherein:
Described MIH line module sends to described MIHF module with query resource information in media-independent switches;
Described MIHF module sends to corresponding service access network with described query resource information.
10. terminal equipment as claimed in claim 9, it is characterized in that, described MIHF module receives the query resource label information that described service access network sends, and described query resource label information sent to described MIH line module, whether described query resource label information shows needs described terminal equipment that described query resource information is provided;
Described MIH line module sends to described service access network with described query resource information by described MIHF module when determining that according to described label information needs provide described query resource information.
11., it is characterized in that described MIHF module receives the actual available resource information of described service access network transmission and the identification information of corresponding candidate's access network thereof, and sends to described MIH line module as claim 9 or 10 described terminal equipments.
12. an access network is characterized in that, described access network comprises that media-independent switches MIH line module and media-independent handoff functionality MIHF module, wherein:
The query resource information that described MIHF module receiving terminal apparatus sends, and described query resource information sent to described MIH line module;
Described MIH line module according to described query resource information to candidate's access network request and obtain the actual available resource information of described candidate's access network.
13. access network as claimed in claim 12 is characterized in that, described MIH line module will show that the query resource label information that whether needs described terminal equipment that described query resource information is provided sends to described terminal equipment by described MIHF module.
14. as claim 12 or 13 described access networks, it is characterized in that, after described MIH line module obtains described actual available resource information, the identification information of described actual available resource information and corresponding candidate's access network thereof is sent to described terminal equipment by described MIHF module.
15. a communication system is characterized in that, described system comprises:
Terminal equipment is used for switching the query resource information that sends at media-independent;
Access network is used for described terminal equipment is linked into network, wherein:
The service access network of described terminal equipment correspondence receives described query resource information, and sends the request of actual available resource information according to described query resource information;
Candidate's access network sends to described service access network according to described request with actual available resource information.
16. system as claimed in claim 15 is characterized in that, triggers media-independent by described service access network and switches, and show the query resource label information that whether needs described terminal equipment that described query resource information is provided to described terminal equipment transmission;
Described terminal equipment is determining that according to described label information needs send described query resource information when described query resource information is provided.
17. as claim 15 or 16 described systems, it is characterized in that, after described service access network obtains described actual available resource information, the identification information of described actual available resource information and corresponding candidate's access network thereof sent to described terminal equipment.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610170759XA CN101207916B (en) | 2006-12-22 | 2006-12-22 | Communication system, access network, terminal and method for resource negotiation |
| PCT/CN2007/003729 WO2008077314A1 (en) | 2006-12-22 | 2007-12-21 | Method of negotiating about the resources, terminal, access network and communication system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610170759XA CN101207916B (en) | 2006-12-22 | 2006-12-22 | Communication system, access network, terminal and method for resource negotiation |
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| CN101207916A true CN101207916A (en) | 2008-06-25 |
| CN101207916B CN101207916B (en) | 2010-10-13 |
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| WO (1) | WO2008077314A1 (en) |
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| US7496364B2 (en) * | 2004-11-05 | 2009-02-24 | Freescale Semiconductor, Inc. | Media-independent handover (MIH) method featuring a simplified beacon |
| CN100488142C (en) * | 2006-02-18 | 2009-05-13 | 华为技术有限公司 | Method for switching between heterogeneous networks |
| CN100455128C (en) * | 2006-04-03 | 2009-01-21 | 华为技术有限公司 | Wireless-network environment detection and reporting method in network switch-over |
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| WO2008077314A1 (en) | 2008-07-03 |
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