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CN101316261B - Method and apparatus for acquiring action supported by link layer - Google Patents

Method and apparatus for acquiring action supported by link layer Download PDF

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Publication number
CN101316261B
CN101316261B CN 200710105894 CN200710105894A CN101316261B CN 101316261 B CN101316261 B CN 101316261B CN 200710105894 CN200710105894 CN 200710105894 CN 200710105894 A CN200710105894 A CN 200710105894A CN 101316261 B CN101316261 B CN 101316261B
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China
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media
link layer
independent handover
action
supported
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CN101316261A (en
Inventor
树贵明
钟辉
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Abstract

本发明的实施例提供了一种获得链路层支持的动作的方法和装置，可解决现有技术不能获得媒体链路支持的动作能力的问题。所述方法包括：媒体无关切换功能实体向链路层发送查询链路层动作的请求命令；链路层确定其支持的动作，并通过动作列表将链路层支持的动作返回媒体无关切换功能实体。所述装置包括媒体无关切换功能实体和链路层实体。根据本发明实施例，通过在现有命令原语或新定义的命令原语中增加链路层支持的动作列表选项，使得MIHF及MIH用户层可获得链路层支持的动作，从而使得MIHF及MIH用户层可根据链路层支持的链路动作向链路层发出链路动请求，对链路动作进行有效的操作，提高了系统效率。

Figure 200710105894

Embodiments of the present invention provide a method and device for obtaining actions supported by a link layer, which can solve the problem that the prior art cannot obtain actions supported by media links. The method includes: the media-independent handover functional entity sends a request command to the link layer to query the action of the link layer; the link layer determines the actions supported by the link layer, and returns the actions supported by the link layer to the media-independent handover functional entity through an action list . The device includes a media-independent handover function entity and a link layer entity. According to the embodiment of the present invention, by adding the action list option supported by the link layer in the existing command primitive or the newly defined command primitive, the MIHF and the MIH user layer can obtain the actions supported by the link layer, so that the MIHF and The MIH user layer can send a link action request to the link layer according to the link action supported by the link layer, and effectively operate the link action, which improves the system efficiency.

Figure 200710105894

Description

A kind of method and apparatus that obtains the action of link layer support
Technical field
The present invention relates to a kind of communication technology, relate in particular to a kind of method and apparatus that obtains the action of link layer support.
Background technology
Along with the development of mechanics of communication multiple communication network occurred in the phenomenon of a certain zone coexistence, can support multi-mode terminal equipment with the multiple network communication also to be accompanied by user's demand simultaneously and produce.Because the coverage of heterogeneous networks and the difference of professional ability, the user wishes that the own mobile terminal device that uses can realize the switching of media-independent between different media networks, thereby guarantees the continuity of oneself business.In the prior art, as in the P802.21 agreement, a kind of framework of realizing the media-independent handed over service for multimode terminal has been proposed.The main thought of this framework is exactly to increase a media-independent switchable layer (MIH layer) between two layers (link layer) of network entity protocol stack and three layers (network layer), by upper and lower layer, NMS (the Network management system of definition in this layer with protocol stack, network management system) reaches MIH (the Media Independent Handover of layer together, media-independent switches) inter-entity interface, between different medium, realizes the media-independent switching for multimode terminal event, order, information service is provided.
For irrelevant switching the between different medium provides event, order, information service, a pair of primitive: Link_Action.request (link layer action request) and Link_Action.confirm (link layer confirming operation) have been defined.Wherein Link_Action.request order primitive be used for MIHF (Media Independent HandoverFunction, independent medium switching functional entity) to the link layer request to the current media link connect carry out an action (as link disconnection, dormancy, down electricity, power on, link scans, resource is kept, data forwarding etc.); Link_Action.confirm order primitive is used for link layer provides its execution result to the action of current media link request to MIHF.Being defined as follows of above-mentioned two primitive:
(1) definition of Link_Action.request:
Link_Action.request(
LinkIdentifier
LinkAction
ExecutionTime
)
Wherein, the implication of each parameter is as shown in table 1.
Table 1
The Name parameter name The Type parameter type Valid range valid value range Discreption describes
Link Identifier chain line LINK ID chain line N/A The current chain line of Identifier of present link.
The action of Link Actions link BITMAP (32) N/A At link following action or the combination of actions to link suggestion: Bit0:LINK_DISCONNECT between transfer period, (link disconnection) Bit1:LINK_LOW_POWER, (link dormancy) Bit2:LINK_POWER_DOWN, (under the link) Bit3:LINK_NO_ACTION, (link is failure to actuate) Bit4:LINK_RESOURCE_RETAIN, (link maintenance) Bit5:DATA_FORWARDING_REQUEST, (data forwarding) Bit6:LINK_POWER_UP, (link powers on) Bit7-31:, (Reserved)
The Execution Time time of implementation INTEGER 0-10000 Definition is moved and is carried out the preceding time (millisecond) if time value is 0 then is receiving this order back action execution immediately.
(2) to the definition of Link_Action.confirm:
Link_Action.confirm(
ScanResponseSet，
Status
)
Wherein, the implication of each parameter is as shown in table 2.
Table 2
The Name parameter name The Type parameter type Valid range valid value range Discreption describes
ScanResponseSet The LIST tabulation N/A Link and the information list thereof found.(this parameter when if the action of request is scanning
Effectively)
Status ENUMERATED enumerates 0-4 The state that the action of appointment among the Link_Action.request is carried out.0 Success (success), 1 Unspecified Failure (uncertain failure) 2 Rejected (refusal), 3 Resource Unavailable (inadequate resource), 4 ResourceBusy (resource is busy)
In the prior art, also defined a pair of primitive: Link_Capability_Discover.Request (request of link layer capability query) and Link_Capability_Discover.Confirm (affirmation of link layer ability), the Event Service and the command service that are used for the support of the media link layer of MIHF are inquired about.When MIHF need inquire about the Event Service of media link layer support and command service, MIHF sends link layer capability query request command to the media link layer, receive the media link layer of link layer capability query request command, the event that oneself is supported and order are confirmed parameter S upportedLinkEventList and SupportedLinkCommandList in the order primitive to feed back to the MIHF that sends link layer capability query request command by the link layer ability respectively.Being defined as follows of above-mentioned two order primitive:
(1) definition of Link_Capability_Discover.request order primitive:
Link_Capability_Discover.request(
)
Printenv in this order.
(2) to the definition of Link_Capability_Discover.confirm order primitive:
Link_Capability_Discover.confirm(
SupportedLinkEventList，
SupportedLinkCommandList，
Status
)
Wherein, the definition of parameter is as shown in table 3 in this order primitive.
Table 3
The Name parameter name The Type parameter type Valid range valid value range Discreption describes
Supported LinkEvent List BITMAP(32) N/A The link event tabulation that link layer is supported
Supported LinkCommand List BITMAP(32) N/A The link command tabulation that link layer is supported
Status ENUMERATED N/A State information: 0Success (success) 1 Unspecified Failure (uncertain failure) 2 Rejected (refusal) 3 Authorization Failure (authorization failure) 4 NetworkError (network error)
Confirm order by link layer capability query request command and link layer ability, MIHF layer and MIH client layer (layer that network layer and network layer are above) can only be inquired about event and the order of link layer support, can not obtain the Motor ability that link layer is supported, like this, when MIHF and MIH client layer are carried out a link action to the link layer request to the current media link by link layer action inquiry request command primitive, the action that will produce MIHF and the request of MIH client layer has blindness, cause unnecessary signaling interaction, reduced the efficient of system.Action as MIHF and the request of MIH client layer might be a useless order, can cause link layer to return failure information to MIHF and/or MIH client layer like this, MIHF and MIH client layer can issue action request again, thereby cause MIHF and MIH client layer repeatedly to issue action request, could carry out an action, thereby increased unnecessary signaling interaction, reduced the efficient of system.
Summary of the invention
Embodiments of the invention provide a kind of method and apparatus that obtains the action of link layer support, can solve the problem that prior art can not obtain the Motor ability of media link support.
Embodiments of the invention provide a kind of method that obtains the action of link layer support, comprising:
Independent medium switching functional entity sends the request command of inquiry link layer action to link layer;
Link layer is determined the action of its support, and by action lists independent medium switching functional entity is returned in the action of link layer support.
The embodiment of the invention also discloses a kind of method that obtains the action of link layer support, comprising:
The local media independent handover (mih) functions sends media-independent to the distant end media independent handover (mih) functions and switches inquiry request command, and described media-independent switches the action lists option that inquiry request command comprises that link layer is supported;
The distant end media independent handover (mih) functions sends media-independent switching inquiry directive command to the irrelevant client layer that switches of distant end media, and described media-independent switches the inquiry directive command and comprises the action lists option that link layer is supported;
The irrelevant client layer that switches of described distant end media sends media-independent switching inquiry request command to described distant end media independent handover (mih) functions, and described media-independent switches the action lists option that inquiry request command comprises that link layer is supported;
Described distant end media independent handover (mih) functions sends the request command of inquiry link layer action to described far-end link layer;
Described far-end link layer is determined the action of its support, and returns described distant end media independent handover (mih) functions by the action that action lists is determined link layer;
Described distant end media independent handover (mih) functions switches client layer to media-independent and returns the order of media-independent switching acknowledgment of your inquiry, described media-independent switches the action lists option that the acknowledgment of your inquiry order comprises that link layer is supported, the action lists option of described link layer support comprises the action that link layer is supported;
The irrelevant switching of described distant end media client layer is arranged on the action of described link layer support in the action lists option of media-independent switching inquiry response order, sends described media-independent to described distant end media independent handover (mih) functions and switches the inquiry response order;
Described distant end media independent handover (mih) functions returns media-independent to the local media independent handover (mih) functions and switches the inquiry response order.
The embodiment of the invention also discloses a kind of device that obtains the action of link layer support, comprise independent medium switching functional entity and link layer entity,
Described independent medium switching functional entity is used for sending to link layer entity the request command of inquiry link layer action, and receives the action lists that link layer entity returns;
Described link layer entity is used for the request command of the inquiry link layer action of receiving media independent handover (mih) functions transmission, and determines the action of its support, and the action of determining is arranged in the action lists, tabulates to the independent medium switching functional entity return action.
According to the embodiment of the invention, by in the order primitive of existing order primitive or redetermination, increasing the action lists option that link layer is supported, make MIHF and MIH client layer can obtain the action that link layer is supported, thereby make MIHF and MIH client layer to send the moving request of link to link layer according to the link action of link layer support, action is effectively operated to link, has improved system effectiveness.
Description of drawings
Fig. 1 shows the flow process of the action that the acquisition local media link layer of the embodiment of the invention one supports;
Fig. 2 shows the flow process of the action that the acquisition distant end media link layer of the embodiment of the invention one supports;
Fig. 3 shows the flow process of the action that the acquisition local media link layer of the embodiment of the invention two supports;
Fig. 4 shows the flow process of the action that the acquisition local media link layer of the embodiment of the invention three supports;
Fig. 5 shows the device of the action that the acquisition media link layer of the embodiment of the invention four supports.
Embodiment
Understand and realization the present invention the existing embodiments of the invention of describing by reference to the accompanying drawings for the ease of persons skilled in the art.
Embodiment one
As shown in Figure 1, present embodiment provides a kind of method that obtains the action of media link layer support, comprising:
Step 11, MIH client layer send media-independent switching capability inquiry request command (MIH_Capability_Discover.request) to MIHF, described media-independent switching capability inquiry request command comprises the action lists option that link layer is supported, when the action lists option of link layer support is effective, the action that the inquiry link layer is supported, when the action lists option of supporting when link layer is invalid, needn't inquire about the action that link layer is supported.In the present embodiment, suppose that the action lists option that link layer supports is effective.
In order to obtain the action that link layer is supported, need extended medium independent handover capability inquiry request command, namely in media-independent switching capability inquiry request command, increase action lists (SupportedLinkActionList) option that link layer is supported.Like this, media-independent switching capability inquiry request command primitive is as follows:
MIH_Capability_Discover.request(
DestinationIdentifier，
SupportedMihEventList，
SupportedMihCommandList，
SupportedIsQueryTypeList，
SupportedTransportList
SupportedLinkActionList
)
In order to obtain the action that link layer is supported, go back the new order primitive of definable (as media-independent handoff links layer action query requests (MIH_Link_Action_Discover.request)) and come alternate medium independent handover capability inquiry request command, as:
MIH_Link_Action_Discover.request(
DestinationIdentifier，
SupportedLinkActionList
)
After step 12, MIHF receive media-independent switching capability query requests, send the request command of inquiry link layer action to link layer.
The request command of described inquiry link layer action comprises existing order (as, link layer capability query request command) or the newly-increased order (as link layer action inquiry request command) of expansion.
Step 13, link layer are determined the action of its support.
According to different systems, the action that link layer is supported is different, and for example, the action that link layer is supported in P802.21-D05 is as follows:
LINK_DISCONNECT (link disconnection)
LINK_LOW_POWER (link dormancy)
LINK_POWER_DOWN (under the link)
LINK_NO_ACTION (link is failure to actuate)
LINK_RESOURCE_RETAIN (link maintenance)
DATA_FORWARDING_REQUEST (data forwarding request)
LINK_POWER_UP (link powers on)
The action that step 14, link layer will be determined is arranged in the action lists.
The action identification of determined action in the step 13 can be arranged in the action lists, when comprising this action identification in the action lists, the expression link layer is supported this action, otherwise link layer is not supported this action.
Also the effective status form of determined action in the step 13 with the action identification position can be arranged in the tabulation, at this moment, the everything of supporting at first definite this system of needs, the corresponding action identification position of each action, when link layer was supported this action, the action identification position of this action was set to effective status.
Step 15, link layer are tabulated to the MIHF return action.
When the request command of described inquiry link layer action was link layer capability query request command, the described tabulation to the MIHF return action specifically comprised: action lists is arranged on the link layer ability confirms in the order; Tabulate to the MIHF return action by link layer ability affirmation order.Described link layer ability is confirmed to have increased the action lists parameter in the order.
When the request command of described inquiry link layer action was link layer action inquiry request command, the described tabulation to the MIHF return action specifically comprised: action lists is arranged in the order of link layer action acknowledgment of your inquiry; Tabulate to the MIHF return action by the order of link layer action acknowledgment of your inquiry.Described link layer action inquiry request command is the redetermination order, and the order of described link layer action acknowledgment of your inquiry is the redetermination order.
Step 16, MIHF send the media-independent switching capability to the MIH client layer and confirm order (MIH_Link_Action_Discover.confirm).Described media-independent switching capability confirms that request command comprises the action lists option that link layer is supported, the action lists option of link layer support comprises the action that link layer is supported.
In order to obtain the action that link layer is supported, need the order of extended medium independent handover capability acknowledgment of your inquiry, namely in the order of media-independent switching capability acknowledgment of your inquiry, increase action lists (SupportedLinkActionList) option that link layer is supported.Like this, media-independent switching capability acknowledgment of your inquiry order primitive is as follows:
MIH_Capability_Discover.confirm(
SourceIdentifier，
SupportedMihEventList，
SupportedMihCommandList，
SupportedIsQueryTypeList，
SupportedTransportList，
SupportedLinkActionList
Status
)
In order to obtain the action that link layer is supported, go back the new order primitive of definable (as media-independent handoff links layer action acknowledgment of your inquiry (MIH_Link_Action_Discover.confirm)) and come the order of alternate medium independent handover capability acknowledgment of your inquiry, as:
MIH_Link_Action_Discover.confirm(
SourceIdentifier，
SupportedLinkActionList
Status
)
To step 16, the method for the action of local acquisition media link layer support has been described in step 11.Wherein, step 12 has been described local MIHF to 15 and has been obtained the process that the support of link-local layer moved, and this partial content will be further described at embodiment two and embodiment three.
In the present embodiment, also can obtain the action that the media link layer is supported from far-end, describe the flow process that obtains the action of media link layer support from far-end below in conjunction with Fig. 2.
Step 21, local MIH client layer send media-independent switching capability inquiry request command to local MIHF, described media-independent switching capability inquiry request command comprises the action lists option that link layer is supported, when the action lists option of link layer support is effective, the action that the inquiry link layer is supported, when the action lists option of supporting when link layer is invalid, needn't inquire about the action that link layer is supported.In the present embodiment, suppose that the action lists option that link layer supports is effective.
Step 22, after local MIHF receives media-independent switching capability inquiry request command, send media-independent switching capability inquiry request command to far-end MIHF.
Step 23, far-end MIHF send media-independent switching capability inquiry directive command (MIH_Capability_Discover.indication) to the far-end MIH client layer on its upper strata, and the link capability parameter in the described media-independent switching capability inquiry directive command is consistent with the link capability parameter in the media-independent switching capability inquiry request command.
In order to obtain the action that link layer is supported, need extended medium independent handover capability inquiry directive command, namely in media-independent switching capability inquiry directive command, increase action lists (SupportedLinkActionList) option that link layer is supported.Like this, media-independent switching capability inquiry directive command primitive is as follows:
MIH_Capability_Discover.indication(
SourceIdentifier，
SupportedMihEventList，
SupportedMihCommandList，
SupportedIsQueryTypeList，
SupportedTransportList
SupportedLinkActionList
)
In order to obtain the action that link layer is supported, go back the new order primitive of definable (as media-independent handoff links layer action inquiry indication (MIH_Link_Action_Discover.indication)) and come alternate medium independent handover capability inquiry directive command, as:
MIH_Link_Action_Discover.indication(
SourceIdentifier，
SupportedLinkActionList
)
Step 24, far-end MIH client layer obtain the action that the media link layer supports (preparation method referring to step 11 to 16) according to the link capability parameter in the media-independent switching capability inquiry directive command, return media-independent switching capability inquiry response order (MIH_Capability_Discover.response) to described far-end MIHF then, the order of described media-independent switching capability inquiry response comprises the action lists that link layer is supported.
In order to obtain the action that link layer is supported, need the order of extended medium independent handover capability inquiry response, namely in the order of media-independent switching capability inquiry response, increase action lists (SupportedLinkActionList) option that link layer is supported.Like this, media-independent switching capability inquiry response order primitive is as follows:
MIH_Capability_Discover.response(
DestinationIdentifier，
SupportedMihEventList，
SupportedMihCommandList，
SupportedIsQueryTypeList，
SupportedTransportList，
SupportedLinkActionList
Status
)
In order to obtain the action that link layer is supported, the order primitive that also definable is new (as media-independent handoff links layer action inquiry response order (MIH_Link_Action_Discover.response)) comes the order of alternate medium independent handover capability inquiry response, as:
MIH_Link_Action_Discover.response(
DestinationIdentifier，
SupportedLinkActionList
Status
)
Step 25, far-end MIHF return media-independent switching capability inquiry response order (MIH_Capability_Discover.response) to local MIHF, and the order of described media-independent switching capability inquiry response comprises the action lists that link layer is supported.
Step 26, local MIHF send the media-independent switching capability to local MIH client layer and confirm order (MIH_Link_Action_Discover.confirm).
Step 12 to 15 in, in order to obtain the action that link layer is supported, need expand (expanding as the link layer ability being confirmed order) to existing order primitive, perhaps define new order primitive (as increasing link layer action inquiry request command).No matter be to revise existing order primitive or definition newer command primitive, be exactly to increase a tabulation shape parameter SupportedLinkActionList (the link layer action lists of support) in order primitive, this parameter is used for comprising the link action that the media link layer is supported; Like this, when the request command of media link layer in the inquiry link layer action that receives the MIHF layer, the media link layer can feed back to MIHF with the action of the link of its support by the SupportedLinkActionList parameter, like this, MIHF just can send the moving request of link to link layer according to the link action of link layer support, action is effectively operated to link, has improved system effectiveness.When the MIH client layer sent media-independent switching capability inquiry request command to MIHF, MIHF can return to the MIH client layer with the link action of the link support that obtains, and the MIH client layer is switched media link effectively.
According to the method difference of explosion command primitive, by specific embodiment MIHF obtains the action of media link layer support from link layer method is described below.
Embodiment two
As shown in Figure 3, present embodiment confirms that by expansion link layer ability order provides a kind of method that obtains the action that the media link layer supports, describes the method for the action that the acquisition media link layer of present embodiment supports below with reference to Fig. 3.
Step 31, MIHF send link layer capability query request command to link layer.
In order to save data quantity transmitted, also can in link layer capability query request command, increase ability parameter option to be checked (action lists of the list of thing of support, the command list (CLIST) of support, support).Like this, the form of link layer capability query request command is as follows:
Link_Capability_Discover.request(
SourceIdentifier，
Supported Link EventList，
Supported Link CommandList，
SupportedIsQueryTypeList，
SupportedTransportList
SupportedLinkActionList
)
The form of link layer capability query request command is consistent with the form of media-independent switching capability inquiry request command, make between MIH client layer, MIHF and the link layer the concrete unified format of interactive command, like this, can improve the efficient of the ability of upper strata inquiry link layer.
Step 32, link layer are determined the action of its support.
The action that step 33, link layer will be determined is arranged in the action lists.
Step 34, link layer are arranged on the link layer ability with action lists to be confirmed in the order, and confirms order to MIHF return link layer ability.
In order to realize the embodiment of the invention, need expansion link layer ability to confirm order.The function that its link action of supporting the MIHF layer that the media link layer is supported is inquired about.Particularly, confirm to increase in the order one for the action lists shape parameter of the link action that comprises the support of media link layer in the link layer ability.Link layer is when receiving the request of the link action inquiry that the media link layer of MIHF supports, the media link layer can be confirmed the MIHF that order feeds back to the link action of its support by the link layer ability.The link layer ability confirms that command definition is as follows:
Link_Capability_Discover.confirm(
SupportedLinkEventList，
SupportedLinkCommandList，
SupportedLinkActionList
Status
)
Wherein, the definition of parameter is as shown in table 4 in this order primitive.
Table 4
The Name parameter name The Type parameter type Valid range valid value range Discreption describes
Supported LinkEvent List BITMAP (32) N/A The link event tabulation that link layer is supported
Supported LinkCommandList BITMAP (32) N/A The link command tabulation that link layer is supported
Supported Link ActionList BITMAP (32) N/A The link action lists that link layer is supported.
Status ENUMERATED N/A State information: 0 Success1 Unspecified Failure2 Rejected3 Authorization Failure4 Network Error
Like this, after MIHF sent link layer capability query request command to link layer, the parameter (SupportedLinkActionList) of expansion was returned the link action that this link layer is supported to MIHF during link layer just can be confirmed to order by the link layer ability.
Embodiment three
As shown in Figure 4, present embodiment is by Link_Action_Discover.request (link layer action inquiry request command) and the Link_Action_Discover.Confirm (order of link layer action acknowledgment of your inquiry) of redetermination, a kind of method that obtains the action that the media link layer supports is provided, has described the method for the action that the acquisition media link layer of present embodiment supports below with reference to Fig. 4.
Step 41, MIHF send link layer action inquiry request command to link layer.
Step 42, link layer are determined the action of its support.
The action that step 43, link layer will be determined is arranged in the action lists.
Step 44, link layer are arranged on the link layer ability with action lists to be confirmed in the order, and to the order of MIHF return link layer action acknowledgment of your inquiry.
In order to realize the embodiment of the invention, need a pair of new order primitive of definition, be used for the MIHF layer to the inquiry of the dissimilar link action of media link layer support.As a pair of order primitive that can be defined as follows: link layer action inquiry request command and the order of link layer action acknowledgment of your inquiry, MIHF utilizes the link layer action inquiry request command of redetermination and the order of link layer action acknowledgment of your inquiry can inquire about the action that link layer is supported, being defined as follows of link layer action inquiry request command and link layer action acknowledgment of your inquiry order:
(1) to the definition of Link_Action_Discover.request:
Link_Action_Discover．request(
)
This order primitive printenv.
(2) definition of Link_Action_Discover.Confirm:
Link_Action_Discover．Confirm(
SupposedLinkActionList，
Status
)
Wherein, the definition of parameter is as shown in table 5 in this order primitive.
Table 5
The Name parameter name The Type parameter type The Validrange valid value range Discreption describes
SupportedLinkActio nList The LIST tabulation N/A The action lists that link layer is supported.
Tatus ENUMERATED enumerates 0-4 The state of the action inquiry that link layer is supported.0 Success1 Unspecified Failure2 Rejected3 Resource Unavailable4 Resource Busy
Like this, when MIHF sent link layer action inquiry request command to link layer after, link layer just can move list parameter (SupportedLinkActionList) in the acknowledgment of your inquiry order by link layer and return the link that this link layer supports to MIHF and move.
Embodiment four
As shown in Figure 5, present embodiment is described a kind of device that obtains the action of media link layer support, comprises that media-independent switches client layer entity, independent medium switching functional entity and link layer entity.
Described media-independent switches the client layer entity and is used for obtaining the action that link layer is supported from independent medium switching functional entity.Described media-independent switches the client layer entity and comprises: transmitting element, and be used for sending media-independent to independent medium switching functional entity and switch inquiry request command, described media-independent switches the action lists option that inquiry request command comprises that link layer is supported; Receiving element, be used for the media-independent switching acknowledgment of your inquiry order that the receiving media independent handover (mih) functions sends, described media-independent switches the action lists option that the acknowledgment of your inquiry order comprises that link layer is supported, the action lists option of described link layer support comprises the action that link layer is supported.
Described independent medium switching functional entity is used for sending to link layer entity the request command of inquiry link layer action, and receives the action lists that link layer entity returns; Described link layer entity is used for the request command of the inquiry link layer action of receiving media independent handover (mih) functions transmission, and determines the action of its support, and the action of determining is arranged in the action lists, tabulates to the independent medium switching functional entity return action.
Described independent medium switching functional entity comprises: transmitting element is used for sending the request command that the inquiry link layer moves to link layer entity; Receiving element is used for receiving the action lists that link layer entity returns.
Described link layer entity comprises: receiving element, the request command that the inquiry link layer that sends for the receiving media independent handover (mih) functions moves; Determining unit is used for determining the action of its support; The unit is set, is used for the action that described determining unit is determined is arranged on action lists; Transmitting element is used for tabulating to the independent medium switching functional entity return action.
According to the embodiment of the invention, by in the order primitive of existing order primitive or redetermination, increasing the action lists option that link layer is supported, make MIHF and MIH client layer can obtain the action that link layer is supported, thereby make MIHF and MIH client layer to send the moving request of link to link layer according to the link action of link layer support, action is effectively operated to link, has improved system effectiveness.
Though described the present invention by embodiment, those of ordinary skills know, without departing from the spirit and substance in the present invention, just can make the present invention that many distortion and variation are arranged, and scope of the present invention is limited to the appended claims.

Claims (16)

1.一种获得链路层支持的动作的方法，其特征在于，包括：1. A method for obtaining an action supported by a link layer, comprising: 媒体无关切换功能实体向链路层发送查询链路层动作的请求命令；The media-independent handover functional entity sends a request command to the link layer to query the actions of the link layer; 链路层确定其支持的动作，并通过动作列表将链路层支持的动作返回媒体无关切换功能实体。The link layer determines the actions it supports, and returns the actions supported by the link layer to the media-independent handover functional entity through the action list. 2.根据权利要求1所述的方法，其特征在于，所述查询链路层动作的请求命令为链路层能力查询请求命令，所述通过动作列表将链路层确定的动作返回媒体无关切换功能实体具体包括：2. The method according to claim 1, wherein the request command for querying link layer actions is a link layer capability query request command, and the actions determined by the link layer through the action list are returned to media-independent handover Functional entities specifically include: 将链路层支持的动作设置在动作列表中；Set the actions supported by the link layer in the action list; 将动作列表设置在链路层能力确认命令中；Set the action list in the link layer capability confirmation command; 通过链路层能力确认命令向媒体无关切换功能实体返回动作列表。The action list is returned to the media-independent handover functional entity through the link layer capability confirmation command. 3.根据权利要求2所述的方法，其特征在于，在所述将动作列表设置在链路层能力确认命令中之前，所述方法还包括：在链路层能力确认命令中增加动作列表参数。3. The method according to claim 2, wherein before the action list is set in the link layer capability confirmation command, the method further comprises: adding an action list parameter in the link layer capability confirmation command . 4.根据权利要求2所述的方法，其特征在于，所述链路层能力查询请求命令包括下列参数的任意组合：支持的事件列表、支持的命令列表、支持的动作列表。4. The method according to claim 2, wherein the link layer capability query request command includes any combination of the following parameters: a list of supported events, a list of supported commands, and a list of supported actions. 5.根据权利要求1所述的方法，其特征在于，所述查询链路层动作的请求命令为链路层动作查询请求命令，所述通过动作列表将链路层支持的动作返回媒体无关切换功能实体具体包括：5. The method according to claim 1, wherein the request command for querying link layer actions is a link layer action query request command, and the actions supported by the link layer are returned to media-independent switching through the action list Functional entities specifically include: 将链路层支持的动作设置在动作列表中；Set the actions supported by the link layer in the action list; 将动作列表设置在链路层动作查询确认命令中；Set the action list in the link layer action query confirmation command; 通过链路层动作查询确认命令向媒体无关切换功能实体返回动作列表。The action list is returned to the media-independent handover functional entity through the link layer action query confirmation command. 6.根据权利要求5所述的方法，其特征在于，所述链路层动作查询请求命令为新定义命令，所述链路层动作查询确认命令为新定义命令。6. The method according to claim 5, wherein the link layer action query request command is a newly defined command, and the link layer action query confirmation command is a newly defined command. 7.根据权利要求1所述的方法，其特征在于，所述方法还包括：媒体无关切换用户层从媒体无关切换功能实体获得链路层支持的动作。7. The method according to claim 1, further comprising: an action of the media-independent handover user layer obtaining link-layer support from the media-independent handover functional entity. 8.根据权利要求7所述的方法，其特征在于，所述媒体无关切换用户层从媒体无关切换功能实体获得链路层支持的动作具体包括：8. The method according to claim 7, wherein the action that the media-independent handover user layer obtains link layer support from the media-independent handover functional entity specifically includes: 媒体无关切换用户层向媒体无关切换功能实体发送媒体无关切换查询请求命令，所述媒体无关切换查询请求命令包括链路层支持的动作列表选项；The media-independent handover user layer sends a media-independent handover query request command to the media-independent handover functional entity, and the media-independent handover query request command includes an action list option supported by the link layer; 媒体无关切换功能实体向媒体无关切换用户层返回媒体无关切换查询确认命令，所述媒体无关切换查询确认命令包括所述链路层支持的动作列表选项，所述链路层支持的动作列表选项包括链路层支持的动作。The media-independent handover functional entity returns a media-independent handover query confirmation command to the media-independent handover user layer, and the media-independent handover query confirmation command includes the action list option supported by the link layer, and the action list option supported by the link layer includes Actions supported by the link layer. 9.一种获得链路层支持的动作的方法，其特征在于，包括：9. A method for obtaining an action supported by a link layer, comprising: 本地媒体无关切换功能实体向远端媒体无关切换功能实体发送媒体无关切换查询请求命令，所述媒体无关切换查询请求命令包括链路层支持的动作列表选项；The local media-independent handover functional entity sends a media-independent handover query request command to the remote media-independent handover functional entity, and the media-independent handover query request command includes an action list option supported by the link layer; 远端媒体无关切换功能实体向远端媒体无关切换用户层发送媒体无关切换查询指示命令，所述媒体无关切换查询指示命令包括所述链路层支持的动作列表选项；The remote media-independent handover function entity sends a media-independent handover query instruction command to the remote media-independent handover user layer, and the media-independent handover query instruction command includes an action list option supported by the link layer; 所述远端媒体无关切换用户层向所述远端媒体无关切换功能实体发送媒体无关切换查询请求命令，所述媒体无关切换查询请求命令包括所述链路层支持的动作列表选项；The remote media-independent handover user layer sends a media-independent handover query request command to the remote media-independent handover functional entity, and the media-independent handover query request command includes an action list option supported by the link layer; 所述远端媒体无关切换功能实体向远端链路层发送查询链路层动作的请求命令；The remote media-independent handover functional entity sends a request command for querying link layer actions to the remote link layer; 所述远端链路层确定其支持的动作，并通过动作列表将链路层确定的动作返回所述远端媒体无关切换功能实体；The remote link layer determines the actions it supports, and returns the actions determined by the link layer to the remote media-independent handover functional entity through an action list; 所述远端媒体无关切换功能实体向所述远端媒体无关切换用户层返回媒体无关切换查询确认命令，所述媒体无关切换查询确认命令包括所述链路层支持的动作列表选项，所述链路层支持的动作列表选项包括链路层支持的动作；The remote media-independent handover functional entity returns a media-independent handover query confirmation command to the remote media-independent handover user layer, and the media-independent handover query confirmation command includes an action list option supported by the link layer, and the link layer The action list options supported by the link layer include actions supported by the link layer; 所述远端媒体无关切换用户层将所述链路层支持的动作设置在媒体无关切换查询响应命令的动作列表选项中，向所述远端媒体无关切换功能实体发送所述媒体无关切换查询响应命令；The remote media-independent handover user layer sets the actions supported by the link layer in the action list option of the media-independent handover query response command, and sends the media-independent handover query response to the remote media-independent handover functional entity Order; 所述远端媒体无关切换功能实体向本地媒体无关切换功能实体返回媒体无关切换查询响应命令。The remote media-independent handover functional entity returns a media-independent handover query response command to the local media-independent handover functional entity. 10.根据权利要求9所述的方法，其特征在于，所述方法还包括：媒体无关切换用户层从媒体无关切换功能实体获得远端链路层支持的动作。10 . The method according to claim 9 , further comprising: an action of the media-independent handover user layer obtaining remote link-layer support from the media-independent handover functional entity. 11 . 11.根据权利要求10所述的方法，其特征在于，所述媒体无关切换用户层从媒体无关切换功能实体获得远端链路层支持的动作具体包括：11. The method according to claim 10, wherein the action of obtaining the support of the remote link layer from the media-independent handover user layer by the media-independent handover user layer specifically includes: 媒体无关切换用户层向媒体无关切换功能实体发送媒体无关切换查询请求命令，所述媒体无关切换查询请求命令包括所述链路层支持的动作列表选项；The media-independent handover user layer sends a media-independent handover query request command to the media-independent handover functional entity, and the media-independent handover query request command includes an action list option supported by the link layer; 媒体无关切换功能实体向媒体无关切换用户层返回媒体无关切换查询确认命令，所述媒体无关切换查询确认命令包括所述链路层支持的动作列表选项，所述链路层支持的动作列表选项包括远端链路层支持的动作。The media-independent handover functional entity returns a media-independent handover query confirmation command to the media-independent handover user layer, and the media-independent handover query confirmation command includes the action list option supported by the link layer, and the action list option supported by the link layer includes Actions supported by the remote link layer. 12.一种获得链路层支持的动作的装置，其特征在于，包括媒体无关切换功能实体和链路层实体，12. A device for obtaining an action supported by a link layer, comprising a media-independent handover function entity and a link layer entity, 所述媒体无关切换功能实体，用于向链路层实体发送查询链路层动作的请求命令，并接收链路层实体返回的动作列表；The media-independent handover function entity is used to send a request command for querying link layer actions to the link layer entity, and receive an action list returned by the link layer entity; 所述链路层实体，用于接收媒体无关切换功能实体发送的查询链路层动作的请求命令，并确定其支持的动作，将确定的动作设置在动作列表中，向媒体无关切换功能实体返回动作列表。The link layer entity is used to receive the request command for querying the action of the link layer sent by the media-independent handover functional entity, and determine the supported actions, set the determined action in the action list, and return to the media-independent handover functional entity action list. 13.根据权利要求12所述的装置，其特征在于，所述媒体无关切换功能实体包括：13. The device according to claim 12, wherein the media-independent handover functional entity comprises: 发送单元，用于向链路层实体发送查询链路层动作的请求命令；A sending unit, configured to send a request command for querying link layer actions to the link layer entity; 接收单元，用于接收链路层实体返回的动作列表。The receiving unit is configured to receive the action list returned by the link layer entity. 14.根据权利要求12所述的装置，其特征在于，所述链路层实体包括：14. The device according to claim 12, wherein the link layer entity comprises: 接收单元，用于接收媒体无关切换功能实体发送的查询链路层动作的请求命令；The receiving unit is configured to receive a request command for querying link layer actions sent by the media-independent handover functional entity; 确定单元，用于确定其支持的动作；Determine the unit, used to determine the actions it supports; 设置单元，用于将所述确定单元确定的动作设置在动作列表中；a setting unit, configured to set the action determined by the determining unit in an action list; 发送单元，用于向媒体无关切换功能实体返回动作列表。A sending unit, configured to return the action list to the media-independent handover functional entity. 15.根据权利要求12所述的装置，其特征在于，还包括：媒体无关切换用户层实体，用于从媒体无关切换功能实体获得链路层支持的动作。15. The device according to claim 12, further comprising: a media-independent handover user layer entity, for obtaining link layer support from the media-independent handover functional entity. 16.根据权利要求15所述的装置，其特征在于，所述媒体无关切换用户层实体包括：16. The device according to claim 15, wherein the media-independent handover user layer entity comprises: 发送单元，用于向媒体无关切换功能实体发送媒体无关切换查询请求命令，所述媒体无关切换查询请求命令包括链路层支持的动作列表选项；A sending unit, configured to send a media-independent handover query request command to the media-independent handover functional entity, where the media-independent handover query request command includes an action list option supported by the link layer; 接收单元，用于接收媒体无关切换功能实体发送的媒体无关切换查询确认命令，所述媒体无关切换查询确认命令包括链路层支持的动作列表选项，所述链路层支持的动作列表选项包括链路层支持的动作。A receiving unit, configured to receive a media-independent handover query confirmation command sent by a media-independent handover functional entity, the media-independent handover query confirmation command includes an action list option supported by the link layer, and the action list option supported by the link layer includes a link Actions supported by the road layer.
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