CN103718609B - Information acquisition method, terminal and ANDSF network elements - Google Patents

Abstract

An embodiment of the present invention provides a kind of information acquisition method, terminal and ANDSF network elements.This method includes：The first message sent by receiving terminal, the first message carries the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position, and according to the first message, establish the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence.Information acquisition method, terminal and the ANDSF network elements of the embodiment of the present invention can realize the automatic correspondence for obtaining location information and WLAN information, so as to reduce the difficulty of ANDSF deployment, reduce manual maintenance cost.

Description

Information acquisition method, terminal and ANDSF network elements

Technical field

The present invention relates to the communications field, and more particularly, to a kind of information acquisition method, terminal and ANDSF network elements.

Background technology

Currently, with mobile terminal integrated wireless local network (Wireless Local Area more and more Network, referred to as " WLAN ") ability, operator increases the deployment dynamics of WLAN.In order to which terminal is aided in find that WLAN is and guided Terminal opens WLAN, third generation partner program (3^rdGeneration Partnership Project, referred to as " 3GPP ") Access network discovery and selection function defined in standard (Access Network Discovery Support Functions, Referred to as " ANDSF ") network element.After terminal is linked into macro network, ANDSF can believe according to the location information that itself is stored and WLAN The correspondence of breath issues the discovery of WLAN and selection information to terminal, terminal according to the discovery of the ANDSF WLAN issued and Information is selected to carry out WLAN selection accesses.

However, ANDSF network elements need manual configuration location information and corresponding WLAN information mapping table, configuration work It measures huge so that the difficulty of ANDSF deployment is big.

The content of the invention

The embodiment of the present invention provides a kind of information acquisition method, terminal and ANDSF network elements, can reduce ANDSF deployment Difficulty reduces manual maintenance cost.

In a first aspect, a kind of information acquisition method is provided, including：The first message that terminal is sent is received, this first disappears The breath carrying terminal is presently in the location information of position and the terminal is presently in the Wireless LAN WLAN information of position； According to the first message, the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position is established Correspondence.

With reference to first aspect, in the first possible realization method of first aspect, it is somebody's turn to do what the reception terminal was sent After first message and this establishes the WLAN that the terminal is presently in the location information of position and the terminal is presently in position Before the correspondence of information, this method further includes：

It determines not recording the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position The correspondence.

With reference to first aspect or the first possible realization method of first aspect, second in first aspect are possible In realization method, before the first message sent in the reception terminal, this method further includes：The terminal is received to connect in macro network Enter the WLAN discovery request message of lower transmission, which carries the position letter that the terminal is presently in position Breath；According to the WLAN discovery request message, determine not recording location information and WLAN information that the terminal is presently in position Correspondence；WLAN is sent to the terminal and finds response message, which finds that response message is used to indicate and do not recorded this Terminal is presently in the location information of position and the correspondence of WLAN information.

With reference to first aspect, second of possible reality of the first possible realization method of first aspect or first aspect In the third possible realization method of first aspect, the position letter that the terminal is presently in position is established at this for existing mode Before the correspondence for the WLAN information that breath is presently in position with the terminal, this method further includes：Believe by searching for WLAN Database is ceased, determines that the WLAN information that the terminal is presently in position is effective WLAN information.

With reference to first aspect, the first possible realization method of first aspect, second of possible reality of first aspect The third possible realization method of existing mode or first aspect, should in the 4th kind of possible realization method of first aspect Method further includes：It determines not receive the first message for carrying the WLAN information that the terminal is presently in position in the given time, So that it is determined that no terminal is successfully accessed to the terminal WLAN for being presently in position in the given time；It is current to delete the terminal The location information of present position is presently in the correspondence of the WLAN information of position with the terminal.

With reference to first aspect, the first possible realization method of first aspect, second of possible reality of first aspect Existing mode, the third possible realization method of first aspect or the 4th kind of possible realization method of first aspect, first In 5th kind of possible realization method of aspect, the location information which is presently in position is presently in by the terminal The global position system GPS information and the terminal of position are presently at least one of macro network information of position to characterize 's.

With reference to first aspect, the first possible realization method of first aspect, second of possible reality of first aspect Existing mode, the third possible realization method of first aspect, the 4th kind of possible realization method or first party of first aspect The 5th kind of possible realization method in face, in the 6th kind of possible realization method of first aspect, which is opening Formula mobile architecture equipment management OMA DM message, and the type Alert Type of the prompting order of the first message are used to lead to Know establish the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence.

With reference to first aspect, the first possible realization method of first aspect, second of possible reality of first aspect Existing mode, the third possible realization method of first aspect, the 4th kind of possible realization method of first aspect, first aspect The 5th kind of possible realization method or first aspect the 6th kind of possible realization method, in the 7th kind of possibility of first aspect Realization method in, which is presently in the Basic Service Set of the WLAN of the WLAN information including the current present position of position Identify at least one of BSSID and service set SSID.

Second aspect provides a kind of information acquisition method, including：Determine to be presently in position location information and Determine the Wireless LAN WLAN information of the current present position；In present access network, to access network discovery and selection Function ANDSF network elements send first message, which carries location information and current institute of the current present position Locate the WLAN information of position, so as to the ANDSF network elements according to the first message establish the location information of the current present position with The correspondence of the WLAN information of the current present position.

With reference to second aspect, in the first possible realization method of second aspect, this is accessed in network in this prior, Before sending first message to the ANDSF network elements, this method further includes：Determine that the WLAN information of the current present position belongs to pre- The WLAN information for the operator put.

With reference to the possible realization method of the first of second aspect or second aspect, second in second aspect is possible In realization method, before this sends the first message to the ANDSF network elements, this method further includes：Determine that the ANDSF network elements need Establish the location information of the current present position and the correspondence of the WLAN information of the current present position.

With reference to second of possible realization method of second aspect, in the third possible realization method of second aspect In, this method further includes：Under macro network access, WLAN discovery request message is sent to the ANDSF network elements, which finds please Message is asked to carry the location information of the current present position；The WLAN for receiving ANDSF network elements transmission has found response message, should WLAN has found that response message is used to indicate location information and WLAN information that the ANDSF network elements do not record the current present position Correspondence；This determines that the ANDSF network elements need to establish the location information of the current present position and the current present position WLAN information correspondence, including：Find that response message determines that ANDSF network elements needs are built according to the WLAN received Found the location information of the current present position and the correspondence of the WLAN information of the current present position.

With reference to second aspect, the first possible realization method of second aspect or second of possible reality of second aspect Existing mode, in the 4th kind of possible realization method of second aspect, the location information of the current present position is by deserving At least one of the global position system GPS information of preceding present position and the macro network information of the current present position characterize 's.

With reference to second aspect, the first possible realization method of second aspect, second of possible reality of second aspect 4th kind of possible realization method of existing mode or second aspect, should in the 5th kind of possible realization method of second aspect Present access network is macro network or WLAN.

With reference to second aspect, the first possible realization method of second aspect, second of possible reality of second aspect Existing mode, the 4th kind of possible realization method of second aspect or the 5th kind of possible realization method of second aspect, second In 6th kind of possible realization method of aspect, which disappears for open type moving architecture equipment management OMA DM Breath, and the type Alert Type of the prompting order of the first message are used to that the ANDSF network elements to be notified to establish this and be presently in position The location information put and the correspondence of the WLAN information of the current present position.

With reference to second aspect, the first possible realization method of second aspect, second of possible reality of second aspect Existing mode, the 4th kind of possible realization method of second aspect, the 5th kind of possible realization method or second party of second aspect The 6th kind of possible realization method in face, in the 7th kind of possible realization method of second aspect, the current present position WLAN information is included in the basic service set identification BSSID of WLAN of the current present position and service set SSID extremely Few one kind.

The third aspect provides a kind of access network discovery and selection function ANDSF network elements, including：Receiving unit, for connecing The first message that terminal is sent is received, which carries the terminal and be presently in the location information of position and the current institute of the terminal Locate the Wireless LAN WLAN information of position；Unit is established, for according to the first message, establishing the terminal and being presently in position The location information and the terminal put are presently in the correspondence of the WLAN information of position.

With reference to the third aspect, in the first possible realization method of the third aspect, which further includes：The One determination unit, for the receiving unit receive the terminal transmission the first message after and this establish unit establish Before the correspondence for the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position, really The fixed terminal that do not record is presently in the corresponding pass that the location information of position is presently in the WLAN information of position with the terminal System.

With reference to the possible realization method of the first of the third aspect or the third aspect, second in the third aspect is possible In realization method, which is additionally operable to before the first message that the terminal is sent is received, receives the terminal in grand net The lower WLAN discovery request message sent of network access, the WLAN discovery request message carry the position that the terminal is presently in position Information；The ANDSF network elements further include：Second determination unit, for according to the WLAN discovery request message, determining not recorded this Terminal is presently in the location information of position and the correspondence of WLAN information and transmitting element, for being sent to the terminal WLAN has found response message, which finds that response message is used to indicate and do not record the position letter that the terminal is presently in position Breath and the correspondence of WLAN information.

With reference to the third aspect, the first possible realization method of the third aspect or second of possible reality of the third aspect Existing mode, in the third possible realization method of the third aspect, which further includes：3rd determination unit, is used for It establishes unit at this and establishes that the terminal is presently in the location information of position and the terminal is presently in the WLAN information of position Before the correspondence, by searching for WLAN information database, determine that the WLAN information that the terminal is presently in position is effective WLAN information.

With reference to the third aspect, the first possible realization method of the third aspect, second of possible reality of the third aspect The third possible realization method of existing mode or the third aspect, should in the 4th kind of possible realization method of the third aspect ANDSF network elements further include：4th determination unit, for determine in the given time do not receive carry the terminal be presently in position WLAN information first message, so that it is determined that no terminal is successfully accessed to the terminal and is presently in position in the given time WLAN；Unit is deleted, the terminal is presently in the location information of position and the terminal is presently in position for deleting The correspondence of WLAN information.

Fourth aspect provides a kind of terminal, including：Determination unit, for determining to be presently in the location information of position, And determine the Wireless LAN WLAN information of the current present position；Transmitting element, in present access network, to Access network discovery and selection function ANDSF network elements send first message, which carries the position of the current present position Information and the WLAN information of the current present position are established this according to the first message so as to the ANDSF network elements and are presently in The location information of position and the correspondence of the WLAN information of the current present position.

With reference to fourth aspect, in the first possible realization method of fourth aspect, which is additionally operable at this Before transmitting element sends first message to the ANDSF network elements, determine that the WLAN information of the current present position belongs to preset The WLAN information of operator.

With reference to the possible realization method of the first of fourth aspect or fourth aspect, second in fourth aspect is possible In realization method, which is additionally operable to before the transmitting element sends first message to the ANDSF network elements, and determining should ANDSF network elements need the location information for establishing the current present position is corresponding with the WLAN information of the current present position to close System.

With reference to second of possible realization method of fourth aspect, in the third possible realization method of fourth aspect In, which is additionally operable in the case where macro network accesses, and WLAN discovery request message, WLAN hairs are sent to the ANDSF network elements Existing request message carries the location information of the current present position；Wherein, which further includes：Receiving unit, for receiving this The WLAN that ANDSF network elements are sent has found response message, which finds that response message is used to indicate the ANDSF network elements and has not recorded The location information of the current present position and the correspondence of WLAN information, the wherein determination unit are received according to the receiving unit To WLAN find that response message determines that the ANDSF network elements need to establish location information and the current institute of the current present position Locate the correspondence of the WLAN information of position.

5th aspect, provides a kind of access network discovery and selection function ANDSF network elements, including processor, memory and Transceiver；Wherein, store program code in the memory, and the processor program code in the memory is called to perform with Lower operation：The transceiver is controlled to receive the first message that terminal is sent, which carries the terminal and be presently in position Location information and the terminal are presently in the Wireless LAN WLAN information of position；According to the first message, the terminal is established Be presently in the location information of position and the terminal be presently in position WLAN information correspondence.

With reference to the 5th aspect, in the first possible realization method of the 5th aspect, which calls the memory In the program code be additionally operable to perform following operation：The first message that control transceiver reception terminal is sent it Afterwards and this establish the terminal be presently in the location information of position and the terminal be presently in position WLAN information this is right Before should being related to, determine not recording the WLAN letters that the terminal is presently in the location information of position and the terminal is presently in position The correspondence of breath.

With reference to the first possible realization method of the 5th aspect or the 5th aspect, second at the 5th aspect is possible In realization method, which calls the program code in the memory to be additionally operable to perform following operation：In control transceiver Before the first message for receiving terminal transmission, the transceiver is controlled to receive the WLAN discovery request message of terminal transmission, The WLAN discovery request message carries the location information that the terminal is presently in position；According to the WLAN discovery request message, really Not recording the terminal is presently in the location information of position and the correspondence of WLAN information calmly；The transceiver is controlled to the end End sends WLAN and finds response message, which finds that response message is used to indicate and do not record the terminal and be presently in position The correspondence of location information and WLAN information.

With reference to the 5th aspect, second of possible reality of the first possible realization method of the 5th aspect or the 5th aspect Existing mode, in the third possible realization method of the 5th aspect, which calls the program code in the memory It is additionally operable to perform following operation：Establish that the terminal is presently in the location information of position and the terminal is presently in position at this Before the correspondence of WLAN information, by searching for WLAN information database, determine that the terminal is presently in the WLAN of position Information is effective WLAN information.

With reference to the 5th aspect, the first possible realization method of the 5th aspect, second of possible reality of the 5th aspect The third possible realization method of existing mode or the 5th aspect, should in the 4th kind of possible realization method of the 5th aspect Processor calls the program code in the memory to be additionally operable to perform following operation：It determines not receiving carrying in the given time The terminal is presently in the first message of the WLAN information of position, so that it is determined that in the given time no terminal be successfully accessed to The terminal is presently in the WLAN of position；Delete that the terminal is presently in the location information of position and the terminal is presently in position WLAN information the correspondence.

6th aspect, provides a kind of terminal, including processor, memory and transceiver；Wherein, stored in the memory Program code, and the processor calls the program code in the memory to perform following operation：It determines to be presently in position Location information and the Wireless LAN WLAN information for determining the current present position；In present access network, control should Transceiver sends first message to access network discovery and selection function ANDSF network elements, which carries this and be presently in position The location information put and the WLAN information of the current present position, being established so as to the ANDSF network elements according to the first message should It is presently in the location information of position and the correspondence of the WLAN information of the current present position.

With reference to the 6th aspect, in the first possible realization method of the 6th aspect, which calls the memory In the program code be additionally operable to perform following operation：Before the first message is sent to the ANDSF network elements, determine that this is current The WLAN information of present position belongs to the WLAN information of preset operator.

With reference to the first possible realization method of the 6th aspect or the 6th aspect, second at the 6th aspect is possible In realization method, which calls the program code in the memory to be additionally operable to perform following operation：To the ANDSF nets Before member sends the first message, determine that the ANDSF network elements need the location information for establishing the current present position current with this The correspondence of the WLAN information of present position.

With reference to second of possible realization method of the 6th aspect, in the third possible realization method of the 6th aspect In, which calls the program code in the memory to be specifically used for performing following operation：Under macro network access, control Transceiver sends WLAN discovery request message to the ANDSF network elements, which carries the current present position Location information；The WLAN that control transceiver receives ANDSF network elements transmission has found response message, which finds response message It is used to indicate the ANDSF network elements and does not record the location information of the current present position and the correspondence of WLAN information.

Therefore, in embodiments of the present invention, the first message sent by receiving terminal, and according to the first message, build Stand the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence, Ke Yishi Location information and the correspondence of WLAN information are now obtained automatically, so as to reduce the difficulty of ANDSF deployment, reduce manually dimension Protect cost.

Description of the drawings

It in order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in embodiment or description of the prior art Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the present invention Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.

Fig. 1 is the schematic flow chart of information acquisition method according to embodiments of the present invention.

Fig. 2 is the schematic flow chart of information acquisition method according to another embodiment of the present invention.

Fig. 3 is the schematic flow chart of information acquisition method according to another embodiment of the present invention.

Fig. 4 is the schematic flow chart of information acquisition method according to another embodiment of the present invention.

Fig. 5 is the schematic block diagram of ANDSF network elements according to embodiments of the present invention.

Fig. 6 is the schematic block diagram of ANDSF network elements according to another embodiment of the present invention.

Fig. 7 is the schematic block diagram of terminal according to embodiments of the present invention.

Fig. 8 is the schematic block diagram of terminal according to another embodiment of the present invention.

Fig. 9 is the schematic block diagram of ANDSF network elements according to another embodiment of the present invention.

Figure 10 is the schematic block diagram of terminal according to another embodiment of the present invention.

Specific embodiment

Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on this hair Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without making creative work Example, belongs to the scope of protection of the invention.

Fig. 1 is the schematic flow chart of information acquisition method 100 according to embodiments of the present invention.This method 100 can be by ANDSF network elements perform.As shown in Figure 1, this method 100 includes：

S110, receives the first message that terminal is sent, which carries the position letter that the terminal is presently in position Breath, and carry the WLAN information that the terminal is presently in position.

S120 according to the first message, establishes that the terminal is presently in the location information of position and the terminal is presently in The correspondence of the WLAN information of position.

Terminal is after obtaining the location information for being presently in position and being presently in the WLAN information of position, Ke Yitong It crosses present access network and the location information for being presently in position and the WLAN information for being presently in position is passed through into first message ANDSF network elements are sent to, after ANDSF network elements receive the first message, the position that the terminal is presently in position can be established Confidence ceases the correspondence for the WLAN information that position is presently in the terminal, so as to can subsequently be helped according to the correspondence Terminal is linked into WLAN.

Therefore, in embodiments of the present invention, the first message sent by receiving terminal, establishes the terminal and is presently in position The location information put is presently in the correspondence of the WLAN information of position with the terminal, can realize automatic study location information With the correspondence of WLAN information, so as to reduce the difficulty of ANDSF deployment, manual maintenance cost is reduced.

In embodiments of the present invention, terminal, which is presently in the WLAN information of position, to be presently in position including terminal At least one of BSSID and SSID of WLAN.

In embodiments of the present invention, the location information for being presently in position can be GPS information, which can wrap It includes terminal and is presently in the information such as the longitude and latitude of position, ANDSF network elements can be presently in the GPS information institute of position according to terminal Including latitude and longitude information directly establish the correspondence of latitude and longitude information and WLAN information, can also establish using the longitude and latitude as Center has the region of certain radius and the correspondence of WLAN information.

Macro network described in the embodiment of the present invention can be 3GPP, 3GPP2 or Wimax networks.In embodiments of the present invention, The macro network information for being presently in position can be the cell that terminal is presently under 3GPP, 3GPP2 or the Wimax access of position Information or location area information.

In embodiments of the present invention, the macro network information that terminal is presently in position can be that terminal is presently in position Cell information or location area information under 3GPP, 3GPP2 or Wimax access.

Optionally, as another embodiment, before the first message for receiving terminal transmission in S120, this method 100 It can also include：The WLAN discovery request message of terminal transmission is received, it is current which carries the terminal The location information of present position；According to the WLAN discovery request message, determine not recording the position that the terminal is presently in position Confidence ceases the correspondence with WLAN information；WLAN is sent to the terminal and finds response message, which finds that response message is used The terminal is not recorded in instruction and is presently in the location information of position and the correspondence of WLAN information, wherein determining When ANDSF network elements need to establish the location information for being presently in position and the correspondence for the WLAN information for being presently in position, Can be found according to the WLAN that receives response message determine ANDSF network elements need to establish the location information for being presently in position with It is presently in the correspondence of the WLAN information of position.

Specifically, terminal sends WLAN discovery request message, WLAN hairs under macro network access to ANDSF network elements Existing request message carries the location information of the current present position, and ANDSF network elements are found in the WLAN for receiving terminal transmission please After seeking message, the location information of position can be presently according to the terminal carried in the message, searching whether to establish has the end End is presently in the location information of position and the correspondence of WLAN information, that is, searches whether that there are terminals to be presently in position The corresponding WLAN information of location information.The corresponding WLAN information of location information of position is presently in if there is terminal, then may be used To send the WLAN discovery response messages for carrying the corresponding WLAN information of location information that the terminal is presently in position to terminal Terminal to be helped to be linked into WLAN；The corresponding WLAN information of location information of position is presently in if there is no terminal, then It can be sent to terminal and be used to indicate location information and WLAN information that the ANDSF network elements do not record the current present position The WLAN of correspondence has found response message, so as to which terminal can detect the WLAN for being presently in position according to the response message Signal can will carry the location information for being presently in position and the WLAN information for being presently in position still under macro network First message be sent to ANDSF network elements, can also after WLAN is linked into, will carry be presently in the location information of position with And it is presently in the first message of the WLAN information of position and is sent to ANDSF network elements.At this point it is possible to ensure do not have in ANDSF network elements Have establish the terminal be presently in position location information and be presently in position WLAN information correspondence, terminal just to ANDSF reported by network elements carries that the terminal is presently in the location information of position and the terminal is presently in the WLAN information of position First message, it is possible to reduce garbage reports.

Optionally, as another embodiment, after S110 and before S120, method 100 can also include：It determines not Record the terminal be presently in the location information of position and the terminal be presently in position WLAN information the correspondence.

Specifically, ANDSF network elements are presently in the location information of position in the carrying terminal for receiving terminal transmission And the terminal is presently in after the first message of the WLAN information of position, can inquire about whether to have recorded the terminal current The location information of present position is presently in the correspondence of the WLAN information of position with the terminal, can if do not recorded With establish the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence, such as Fruit has recorded, then can be not required to establish that the terminal is presently in the location information of position and the terminal is presently in position again The correspondence of WLAN information.Therefore, it is possible to reduce repetition establish terminal be presently in position location information and terminal it is current The correspondence of the WLAN information of present position, so as to reduce the memory space of ANDSF.

In embodiments of the present invention, before S120, method 100 can also include：By searching for WLAN information database, The WLAN information that the true terminal is presently in position is effective WLAN information.

Specifically, if the WLAN of operator is provided with the SSID or BSSID identical with the WLAN of family or enterprise, Terminal can not judge detected WLAN signal whether be operator WLAN, it will cause ANDSF register WLAN information without Effect, such to avoid the occurrence of, ANDSF network elements are presently in the position of position in the carrying terminal for receiving terminal transmission After the first message for the WLAN information that confidence ceases and the terminal is presently in position or receiving taking for terminal transmission Be presently in the location information of position with the terminal and the terminal be presently in position WLAN information first message and Determine not record the terminal be presently in the location information of position and the terminal be presently in position WLAN information this is corresponding After relation, can be inquired about by WLAN information database (for example, recording database of the BSSID of the WLAN of operator) this Whether the WLAN information that the terminal entrained by one message is presently in position is that effective WLAN information (judges to be presently in position Whether the WLAN information put is documented in WLAN information database, if recorded, for effective WLAN information, if do not remembered Carry, be not then effective WLAN information), if effective WLAN information, then ANDSF network elements can establish the current institute of the terminal The location information of place position is presently in the correspondence of the WLAN information of position with the terminal, believes if not effective WLAN Breath, then can not establish the terminal be presently in the location information of position and the terminal be presently in position WLAN information pair It should be related to.It is thus possible to it is invalid WLAN information to avoid the WLAN information that ANDSF is registered.

In embodiments of the present invention, after S120, this method 100 can also include：It determines not receive in the given time To carry the terminal be presently in position WLAN information first message and determine terminal no in the given time successfully connect Enter to the terminal to be presently in the WLAN of position；Delete that the terminal is presently in the location information of position and the terminal is presently in The correspondence of the WLAN information of position.

Specifically, terminal is presently in the position of position to ANDSF network elements and the terminal is presently in position establishing WLAN information correspondence after, if within the predetermined time (can be in units of day, can also be in units of hour) Do not receive carry the terminal be presently in position WLAN information first message and determine the predetermined time (can using day for singly Position, can also be in units of hour) in no terminal be successfully accessed to the terminal WLAN for being presently in position, this can be deleted Terminal is presently in the location information of position and the terminal be presently in position WLAN information the correspondence, so as to Terminal is avoided to be presently in network as useless WLAN (for example, AP damages of the wlan network etc.).

In embodiments of the present invention, the first message can be OMA DM message, and the first message prompting order For ANDSF network elements to be notified to establish, terminal is presently in the location information of position to type (Alert Type) and terminal is presently in The correspondence of the WLAN information of position, for example, can the Alert Type in OMA DM message be arranged to " urn:oma: at:ext-3gpp-andsf:1.0:wlan-location-Notify”。

Therefore, in embodiments of the present invention, the first message sent by receiving terminal, and according to the first message, build Stand the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence, Ke Yishi Location information and the correspondence of WLAN information are now obtained automatically, so as to reduce the difficulty of ANDSF deployment, reduce manually dimension Protect cost.Further, the WLAN discovery requests of the location information of position are presently in the carried terminal sent according to terminal Message, determine do not record the terminal be presently in position location information and WLAN information correspondence when, to the terminal It sends to be used to indicate and does not record the WLAN hairs that the terminal is presently in the location information of position and the correspondence of WLAN information Existing response message, it is ensured that the terminal is presently in the location information of position and the terminal is presently in itself not being stored with During the correspondence of the WLAN information of position, terminal, which just reports, carries location information and the terminal that the terminal is presently in position The first message of the WLAN information of position is presently in, so as to reduce reporting for the garbage of terminal.Further, exist The carried terminal for receiving terminal transmission is presently in the location information of position and terminal is presently in the WLAN information of position After first message and establish that the terminal is presently in the location information of position and the terminal is presently in the WLAN of position and believes Before the correspondence of breath, determine that the terminal is presently in the WLAN information of position as effective WLAN information, it can be to avoid The WLAN information that ANDSF is registered is invalid WLAN information.Further, in the position for establishing the terminal and being presently in position After the correspondence for the WLAN information that information is presently in position with the terminal, determine that not receiving carrying in the given time is somebody's turn to do Terminal is presently in the first message of the WLAN information of position and determines that terminal no in the given time was successfully accessed to the end End is when being presently in the WLAN of position, deletes that the terminal is presently in the location information of position and the terminal is presently in position The correspondence of WLAN information can be presently in network as useless WLAN to avoid terminal.

Fig. 1 has been combined above, and information acquisition method according to embodiments of the present invention is described from ANDSF network element side network elements.Below will Information acquisition method according to embodiments of the present invention is described from end side with reference to Fig. 2.

Fig. 2 is the schematic flow chart of information acquisition method 200 according to embodiments of the present invention.This method 200 can be by Terminal performs.As shown in Fig. 2, this method 200 can include：

S210 is determined to be presently in the location information of position and is determined the WLAN information of the current present position.

S220 in present access network, sends first message, which carries the current institute to ANDSF network elements Locate the location information of position and the WLAN information of the current present position, so that the ANDSF network elements are established according to the first message The location information of the current present position and the correspondence of the WLAN information of the current present position.

Terminal is after obtaining the location information for being presently in position and being presently in the WLAN information of position, Ke Yitong It crosses present access network and the location information for being presently in position and the WLAN information for being presently in position is passed through into first message ANDSF network elements are sent to, after ANDSF network elements receive the first message, the position that the terminal is presently in position can be established Confidence ceases the correspondence for the WLAN information that position is presently in the terminal, so as to can subsequently be helped according to the correspondence The terminal or other-end are linked into WLAN.

Therefore, in embodiments of the present invention, the location information of position is presently in by obtaining and obtains the current institute Locate the WLAN information of position, and be presently in the location information and this of the ANDSF network elements transmission carrying current present position The first message of the WLAN information of position can realize the automatic correspondence for obtaining location information and WLAN information, so as to To reduce the difficulty of ANDSF deployment, manual maintenance cost is reduced.

In embodiments of the present invention, the location information for being presently in position can be by being presently in the global location of position It system (Global Positioning System, referred to as " GPS ") information and is presently in the macro network information of position extremely Lack one kind to characterize.

In embodiments of the present invention, the WLAN that terminal is presently in position can be included by being presently in the WLAN information of position Basic service set identification (Basic Service Set Identifier, abbreviation BSSID) and service set At least one of (Service Set Identifier, abbreviation SSID).

In embodiments of the present invention, the location information that the terminal that terminal reports is presently in position can be residing for the terminal The GPS information of position, the GPS information can be presently in the information such as the longitude and latitude of position including terminal, and ANDSF network elements can root Pair that the latitude and longitude information included by the GPS information of position directly establishes latitude and longitude information and WLAN information is presently according to terminal It should be related to, the region centered on the longitude and latitude with certain radius and the correspondence of WLAN information can also be established.

Macro network described in the embodiment of the present invention can be 3GPP, 3GPP2 or Wimax networks.In embodiments of the present invention, The macro network information for being presently in position can be the cell that terminal is presently under 3GPP, 3GPP2 or the Wimax access of position Information or location area information.

In embodiments of the present invention, terminal can obtain the macro network for being presently in position by the access procedure of macro network Information can also obtain the macro network information for being presently in position from broadcast message；Terminal can be by opening own GPS work( The GPS information for being presently in position can be obtained.

In embodiments of the present invention, terminal can obtain the position for being presently in position before present access network is linked into Confidence ceases, and the location information for being presently in position can also be obtained after present access network is linked into.Implement in the present invention In example, terminal can obtain the WLAN information for being presently in position before present access network is linked into, and can also access The WLAN information for being presently in position is obtained after to present access network.

In embodiments of the present invention, before S220 sends the first message to the ANDSF network elements, this method 200 may be used also To include：Determine that the ANDSF network elements need to establish WLAN of the location information with the current present position of the current present position The correspondence of information.

How specific terminal determines that the ANDSF network elements need to establish the location information of the current present position and the current institute Locate the correspondence of the WLAN information of position.There can be following two realization methods：

In the first realization method, can terminal be held by the mode user to contract with user and determine ANDSF Network element needs to establish the location information of the current present position and the correspondence of the WLAN information of the current present position.Specifically It is embodied as, if terminal judges itself to need to report to be presently in the location information of position and the WLAN information of presently described position Contracted user, then can after WLAN signal is detected or detect WLAN signal and be successfully accessed to WLAN it Afterwards, it can send to carry to ANDSF network elements and be presently in the location information of position and be presently in the of the WLAN information of position One message.

Terminal sends WLAN discovery request message under macro network access to ANDSF network elements in another realization method, The WLAN discovery request message carries the location information of the current present position, and ANDSF network elements are receiving terminal transmission After WLAN discovery request message, the location information of position can be presently according to the terminal carried in the message, is searched whether Foundation has the terminal to be presently in the location information of position and the correspondence of WLAN information, that is, searches whether current there are terminal The corresponding WLAN information of location information of present position.The corresponding WLAN of location information of position is presently in if there is terminal Information can then send the WLAN discoveries for carrying the corresponding WLAN information of location information that the terminal is presently in position to terminal Response message is to help terminal to be linked into WLAN；The corresponding WLAN of location information of position is presently in if there is no terminal Information, then can be sent to terminal be used to indicate the ANDSF network elements do not record the location information of the current present position with The WLAN of the correspondence of WLAN information has found response message, so as to which terminal can be presently according to the response message, detection The WLAN signal of position can will carry the location information for being presently in position and be presently in position still under macro network The first message of WLAN information be sent to ANDSF network elements, position can also be presently in by carrying after WLAN is linked into It location information and is presently in the first message of WLAN information of position and is sent to ANDSF network elements.At this point it is possible to ensure ANDSF network elements do not establish the corresponding pass that the terminal is presently in WLAN information of the location information of position with being presently in position System, terminal just carry that the terminal is presently in the location information of position and the terminal is presently in position to ANDSF reported by network elements WLAN information first message, it is possible to reduce garbage reports.

It is to be understood that in embodiments of the present invention, terminal can also be determined that ANDSF network elements need to establish by realization method and is somebody's turn to do It is presently in the location information of position and the correspondence of the WLAN information of the current present position.

In embodiments of the present invention, before S220 sends the first message to the ANDSF network elements, this method 200 may be used also To include：Determine that the WLAN information of the current present position belongs to the WLAN information (for example, SSID) of preset operator.

Specifically, garbage is reported in order to reduce terminal, the WLAN information of operator can be pre-configured in the terminal (for example, SSID), the WLAN information for being presently in position only got in terminal belong to the operation being pre-configured in the terminal Business's WLAN information just sends location information and the current present position for carrying the current present position to ANDSF network elements The first message of WLAN information.It thereby may be ensured that terminal is reported to that be carried in the first message of ANDSF network elements be operator WLAN information, it can thus be avoided terminal reports garbage.

In embodiments of the present invention, the present access network that terminal sends the first message can be macro network or WLAN. In embodiments of the present invention, which can be open type moving architecture equipment management (Open Mobile Architecture Device Management, referred to as " OMA DM ") message, and the type of the prompting order of the first message (Alert Type) terminal is presently in the GPS information of position and terminal is presently in position for ANDSF network elements to be notified to establish At least one of macro network information put is presently in the correspondence of the WLAN information of position with terminal, for example, can incite somebody to action Alert Type in OMADM message are arranged to " urn:oma:at:ext-3gpp-andsf:1.0:wlan-location- Notify”。

Therefore, in embodiments of the present invention, the location information of position is presently in by obtaining and obtains the current institute Locate the WLAN information of position, and be presently in the location information and this of the ANDSF network elements transmission carrying current present position The first message of the WLAN information of position can realize the automatic correspondence for obtaining location information and WLAN information, so as to To reduce the difficulty of ANDSF deployment, manual maintenance cost is reduced.It is possible to further determine to be presently in the WLAN of position Information belongs to the WLAN information of preset operator and then the position for carrying the current present position is sent to ANDSF network elements The first message of information and the WLAN information of the current present position, it is possible to reduce garbage reports.Further, may be used To send the WLAN information of the location information for carrying the current present position and the current present position to ANDSF network elements Before first message, determine that the ANDSF network elements need to establish the location information of the current present position and the current present position WLAN information correspondence, reporting for garbage can also be reduced.

Fig. 1 and Fig. 2 have been combined above describe information according to embodiments of the present invention from ANDSF sides and end side respectively obtained Take method.Information according to embodiments of the present invention is described below with reference to Fig. 3 and Fig. 4 in a manner that terminal and ANDSF interact to obtain Take method.

Fig. 3 is the schematic flow chart of information acquisition method 300 according to embodiments of the present invention.As shown in figure 3, this method 300 include：

S301, terminal acquisition are presently in the macro network information of position (for example, the cell information of macro network or position area letter Breath).Wherein, which can obtain by macro network access procedure or from broadcast message.

S302, end-probing to WLAN signal, and successful execution WLAN are accessed.

S303, terminal determine itself for location information of the needs to the presently described position of ANDSF reported by network elements and current institute Locate the contracted user of the WLAN information of position, then the IP address of terminal acquisition ANDSF network elements (is obtained by way of domain name mapping The IP address of ANDSF network elements or the IP address that ANDSF network elements are obtained from itself static configuration), terminal is sent out to ANDSF network elements WLAN notification request messages are played, and carries be presently in the macro network information of position and WLAN information (current institute within the message Locate at least one of SSID and BSSID of WLAN of position).Optionally, which is disappeared by OMA DM Breath reports, and terminal can inform the effect of the ANDSF network elements message by the Type of Alert, and Alert Type such as are set to " urn: oma:at:ext-3gpp-andsf:1.0:wlan-location-Notify”.Wherein, which can be by Terminal is actively initiated, and can also be issued request triggering terminal to terminal from ANDSF network elements and be reported, not be limited in any way herein.

After S304, ANDSF network element receive the WLAN notification request messages of terminal transmission, inquiry terminal is presently in position The correspondence that the WLAN information and terminal put are presently in the macro network information of position whether there is in the database, if do not deposited S305 is then being performed, is such as existing, then performs S309.

S305, ANDSF network element initiate the inquiry of WLAN information validity to WLAN information database, and carried terminal is worked as in message The WLAN information (at least one of SSID and BSSID of WLAN) of preceding present position.

Whether S306, the WLAN information that WLAN information data base querying terminal is presently in position have record, if any record, The WLAN that then terminal is presently in is effective WLAN.

Validity result is sent to ANDSF network elements by S307, WLAN information database.

After S308, ANDSF network element receive the validity result of WLAN information database transmission, if validity result indicates Terminal is presently in the WLAN of position as effective WLAN, then establishes that terminal is presently in the macro network information of position and terminal is worked as The correspondence of the WLAN of preceding present position, otherwise performs S309.

S309, ANDSF network element return to WLAN push-notification-answer message to terminal, are used to indicate whether what is sent according to terminal WLAN notification request messages establish terminal and are presently in the macro network information of position and the WLAN information of terminal present position Correspondence.

S310, such as in the given time, ANSFP network elements, which do not receive, carries the WLAN information that the terminal is presently in position WLAN notification request messages simultaneously determine that terminal no in the given time is successfully accessed to the terminal WLAN for being presently in position, The terminal for then deleting above-mentioned foundation is presently in the macro network information pass corresponding with the WLAN information of terminal present position of position System.

Fig. 4 is the schematic flow chart of information acquisition method 400 according to embodiments of the present invention.As shown in figure 4, this method 400 include：

S401, terminal are accessed by macro network and establish IP connections.

S402, terminal find ANDSF servers (obtained by way of domain name mapping ANDSF network elements IP address or The IP address of ANDSF network elements is obtained from itself static configuration), WLAN discovery request message is initiated to ADNSF network elements, and is being asked It asks and the location information for being presently in position is carried in message (for example, being presently in the GPS information of position or being presently in position Macro network information),

The location information that S403, ANDSF network element are reported according to terminal searches pre- database, it is determined whether current there are terminal The location information of present position and the correspondence of WLAN information；If it is present according to the prior art terminal can be helped to connect Enter to WLAN, for sake of simplicity, details are not described herein；If it does not exist, then S404 can be performed.

S404, ANDSF network element return to WLAN to terminal and find response message, for terminal ANDSF network elements to be notified not store There is the terminal to be presently in the location information of position and the correspondence of WLAN information.

S405, terminal receive the current for notifying that terminal ANDSF network elements are not stored with the terminal of ANDSF network elements transmission After the WLAN of the location information of present position and the correspondence of WLAN information has found response message, WLAN signal is detected.

S406, terminal can perform WLAN access procedures after WLAN signal is detected.

S407, terminal will carry the location information for being presently in position and reported to being presently in the WLAN information of position ANDSF network elements.

S408, according to the WLAN notification request messages that terminal is sent, establish terminal be presently in the location information of position with Terminal is presently in the correspondence of the WLAN information of position.

S409, ANDSF network element send WLAN push-notification-answer message to terminal, are used to indicate the WLAN sent according to terminal Notification request message establish terminal be presently in position macro network information it is corresponding with the WLAN information of terminal present position Relation.

It is to be understood that Fig. 3 and method shown in Fig. 4 300 and 400 are a kind of reality of information acquisition method of the embodiment of the present invention Existing mode, the embodiment of the present invention also have other realization methods.For example, for method 300, S308 can not be performed；Alternatively, The validity inquiry of the WLAN information in S305, S306 and S307 is not performed；Alternatively, WLAN is sent to ANDSF in S303 terminals Before notification request message, determine whether the information of accessed WLAN belongs to the WLAN information that itself is pre-configured and (accessed WLAN whether be WLAN that operator is disposed；Alternatively, terminal acquisition is to be presently in the GPS letters of position in S301 Breath, then follow-up ANDSF network elements foundation is the WLAN letters that terminal is presently in the GPS information of position and terminal is presently in position The correspondence of breath；Alternatively, terminal acquisition is to be presently in the GPS information of position and be presently in position in S301 Macro network information, then follow-up ANDSF network elements foundation is (GPS information+macro network information that terminal is presently in position) and end End is presently in the correspondence of the WLAN information of position, that is to say, that ANDSF can be according to the correspondence and terminal The GPS information for being presently in position or macro network information, assist terminal be linked into WLAN.For another example for method 400 and Speech, terminal can send WLAN notification request messages under macro network access to ANDSF network elements；Alternatively, in S408ANDSF network elements Establish before correspondence, determine terminal be presently in position WLAN information it is whether effective；Alternatively, after S408, ANDSF Network element as do not receive in the given time carry the terminal be presently in position WLAN information WLAN notification request messages simultaneously Determine that terminal no in the given time is successfully accessed to the terminal WLAN for being presently in position, then ANDSF network elements can be deleted Except established terminal is presently in the correspondence of the macro network information of position and the WLAN information of terminal present position.

Therefore, the embodiment of the present invention can realize the automatic correspondence for obtaining location information and WLAN information, so as to To reduce the difficulty of ANDSF deployment, manual maintenance cost is reduced.

Fig. 1 to Fig. 4 has been combined above describes information acquisition method according to embodiments of the present invention.Below with reference to Fig. 5 Information acquisition device according to embodiments of the present invention, i.e. ANDSF network elements and terminal are described to Figure 10.

Fig. 5 is the schematic block diagram of ANDSF network elements 500 according to embodiments of the present invention.As shown in figure 5, the ANDSF network elements 500 include receiving unit 510 and establish unit 520.The receiving unit 510 receives the first message that terminal is sent, this first disappears The breath carrying terminal is presently in the location information of position and the terminal is presently in the Wireless LAN WLAN information of position； This establishes unit 520 according to the first message, establishes that the terminal is presently in the location information of position and the terminal is presently in The correspondence of the WLAN information of position.

Optionally, as shown in fig. 6, the ANDSF network elements further include the first determination unit 530.First determination unit 530 exists The receiving unit 510 receives the terminal after the first message sent under macro network accesses and this is established unit 520 and builds Before the correspondence for founding the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position, Determine not record the terminal be presently in the location information of position and the terminal be presently in position WLAN information this is corresponding Relation.

Optionally, as shown in fig. 6, the ANDSF network elements further include：Second determination unit 550 and transmitting element 560.This connects Unit 510 is received also before the first message that the terminal is sent is received, receives the WLAN discovery request message of terminal transmission, The WLAN discovery request message carries the location information that the terminal is presently in position；Second determination unit 550 is according to the WLAN Discovery request message determines that not recording the terminal is presently in the location information of position and the correspondence of WLAN information；Hair Unit 560 is sent to send WLAN to the terminal and finds response message, which finds that response message is used to indicate and do not recorded the end End is presently in the location information of position and the correspondence of WLAN information.

Optionally, as shown in fig. 6, the ANDSF network elements 500 further include the 3rd determination unit 570.3rd determination unit 570 It establishes unit 510 at this and establishes the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position The correspondence before, by searching for WLAN information database, determine that the terminal is presently in the WLAN information of position to have The WLAN information of effect.

Optionally, which further includes the 4th determination unit 580 and deletes unit 590.4th determines list Member 580 determines not receive the first message for carrying the WLAN information that the terminal is presently in position in the given time, so as to really Fixed terminal no in the given time is successfully accessed to the terminal WLAN for being presently in position；It deletes unit 590 and deletes the end End is presently in the GPS information of position and the terminal is presently at least one of macro network information of position and works as with the terminal The correspondence of the WLAN information of preceding present position.

Optionally, the location information of the current present position is the global position system GPS by the current present position At least one of macro network information of information and the current present position characterizes.

Optionally, which is open type moving architecture equipment management OMA DM message.

Optionally, which is open type moving architecture equipment management OMA DM message, and the first message Prompting order type Alert Type for notify establish the current present position GPS information and this be presently in position The correspondence of at least one of macro network information put and the WLAN information of the current present position.

Optionally, the WLAN information of the current present position includes the Basic Service Set mark of the WLAN of the current present position Know at least one of BSSID and service set SSID.

It is to be understood that ANDSF network elements 500 according to embodiments of the present invention may correspond to the acquisition of information in the embodiment of the present invention ANDSF network elements in method, and above and other operation and/or function of the unit of ANDSF network elements 500 respectively in order to The corresponding flow of each method in Fig. 1 to Fig. 4 is realized, for sake of simplicity, details are not described herein.

Therefore, in embodiments of the present invention, the first message sent by receiving terminal, and according to the first message, build Stand the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence, so as to To realize the automatic correspondence for obtaining location information and WLAN information, so as to reduce the difficulty of ANDSF deployment, people is reduced Work maintenance cost.Further, the WLAN that the location information of position is presently in the carried terminal sent according to terminal has found Request message, determine do not record the terminal be presently in position location information and WLAN information correspondence when, to this Terminal transmission, which is used to indicate, not to be recorded the terminal and is presently in the location information of position and the correspondence of WLAN information WLAN has found response message, it is ensured that works as itself not being stored with the terminal and being presently in the location information of position with the terminal During the correspondence of the WLAN information of preceding present position, terminal just report carry the terminal be presently in the location information of position with The terminal is presently in the first message of the WLAN information of position, so as to reduce reporting for the garbage of terminal.Into one Step ground is presently in the location information of position in the carried terminal for receiving terminal transmission and terminal is presently in the WLAN of position After the first message of information and establish that the terminal is presently in the location information of position and the terminal is presently in position Before the correspondence of WLAN information, determine that the terminal is presently in the WLAN information of position as effective WLAN information, it can It is invalid WLAN information to avoid the WLAN information that ANDSF is registered.Further, position is presently in establishing the terminal Location information and the terminal WLAN information for being presently in position correspondence after, determine not receive in the given time Carry the terminal be presently in position WLAN information first message and determine terminal no in the given time be successfully accessed When being presently in the WLAN of position to the terminal, delete that the terminal is presently in the location information of position and the terminal is presently in The correspondence of the WLAN information of position can be presently in network as useless WLAN to avoid terminal.

Fig. 7 is the schematic block diagram of terminal 600 according to embodiments of the present invention.As shown in fig. 7, the terminal 600 includes：Really Order member 610 and transmitting element 620.The determination unit 610 determines to be presently in the location information of position and determines that this is current The Wireless LAN WLAN information of present position；Transmitting element 620 is in present access network, to access network discovery and selection Function ANDSF network elements send first message, which carries location information and current institute of the current present position Locate the WLAN information of position, so as to the ANDSF network elements according to the first message establish the location information of the current present position with The correspondence of the WLAN information of the current present position.

Optionally, as shown in figure 8, the determination unit 610 disappears in the transmitting element 620 to ANDSF network elements transmission first Before breath, determine that the WLAN information of the current present position belongs to the WLAN information of preset operator.

Optionally, as shown in figure 8, the determination unit 610 also sends first in the transmitting element 620 to the ANDSF network elements Before message, determine that the ANDSF network elements need to establish the location information of the current present position and the current present position The correspondence of WLAN information.

Optionally, as shown in figure 8, the terminal 600 further includes：Receiving unit 630.The determination unit 610 is also in macro network Under access, WLAN discovery request message is sent to the ANDSF network elements, which carries the current present position Location information；The WLAN that receiving unit 630 is used to receive ANDSF network elements transmission has found response message, which finds to ring Message is answered to be used to indicate the location information pass corresponding with WLAN information that the ANDSF network elements do not record the current present position System, the WLAN that wherein determination unit 610 is received according to receiving unit 630 have found that response message determines the ANDSF network elements need The location information of position and the correspondence of the WLAN information for being presently in position are presently in described in establishing.

Optionally, the location information of the current present position is the global position system GPS by the current present position At least one of macro network information of information and the current present position characterizes.

Optionally, which is macro network or WLAN.

Optionally, the first message be OMA DM message, and the first message prompting order type Alert Type For the ANDSF network elements to be notified to establish the GPS information of the current present position and the macro network information of the current present position At least one of correspondence with the WLAN information of the current present position.

Optionally, the WLAN information of the current present position includes the Basic Service Set mark of the WLAN of the current present position Know at least one of BSSID and service set SSID.

It is to be understood that terminal 500 according to embodiments of the present invention may correspond to the information acquisition method in the embodiment of the present invention In terminal, and above and other operation and/or function of the unit of terminal 500 is respectively in order to realize in Fig. 1 to Fig. 4 The corresponding flow of each method, for sake of simplicity, details are not described herein.

Therefore, in embodiments of the present invention, the location information of position is presently in by obtaining and obtains the current institute Locate the WLAN information of position, and be presently in the location information and this of the ANDSF network elements transmission carrying current present position The first message of the WLAN information of position can realize the automatic correspondence for obtaining location information and WLAN information, so as to To reduce the difficulty of ANDSF deployment, manual maintenance cost is reduced.It is possible to further determine to be presently in the WLAN of position Information belongs to the WLAN information of preset operator and then the position for carrying the current present position is sent to ANDSF network elements The first message of information and the WLAN information of the current present position, it is possible to reduce garbage reports.Further, may be used To send the WLAN information of the location information for carrying the current present position and the current present position to ANDSF network elements Before first message, determine that the ANDSF network elements need to establish the location information of the current present position and the current present position WLAN information correspondence, reporting for garbage can also be reduced.

Fig. 9 is the schematic block diagram of ANDSF network elements 700 according to embodiments of the present invention.As shown in fig. 7, the ANDSF network elements 700, including processor 710, memory 720 and transceiver 730；Wherein, program code is stored in the memory 720, and at this Managing device 710 calls the program code in the memory 720 to perform following operation：The transceiver 730 is controlled to receive terminal to send First message, which carries the nothing that the terminal is presently in the location information of position and the terminal is presently in position Line local area network WLAN information；According to the first message, establish that the terminal is presently in the location information of position and the terminal is worked as The correspondence of the WLAN information of preceding present position.

Optionally, which calls the program code in the memory to be additionally operable to perform following operation：It is connect at this It receives after the first message of terminal transmission and this is established the terminal and be presently in the location information of position and works as with the terminal Before the correspondence of the WLAN information of preceding present position, determine not record the terminal be presently in the location information of position with The terminal is presently in the correspondence of the WLAN information of position.

Optionally, which calls the program code in the memory 720 to be additionally operable to perform following operation： Before the control transceiver 730 receives the first message that the terminal is sent, the transceiver is controlled to receive the terminal in grand net The lower WLAN discovery request message sent of network access, the WLAN discovery request message carry the position that the terminal is presently in position Information；According to the WLAN discovery request message, determine that not recording the terminal is presently in the location information of position and WLAN letters The correspondence of breath；The transceiver 730 is controlled to send WLAN to the terminal and finds response message, which finds that response message is used The terminal is not recorded in instruction is presently in the location information of position and the correspondence of WLAN information.

Optionally, which calls the program code in the memory 720 to be additionally operable to perform following operation： This establish the terminal be presently in the location information of position and the terminal be presently in position WLAN information the correspondence Before, by searching for WLAN information database, determine that the WLAN information that the terminal is presently in position is effective WLAN information.

Optionally, which calls the program code in the memory 720 to be additionally operable to perform following operation：Really It is fixed do not receive in the given time carry the terminal be presently in position WLAN information first message and determine in pre- timing Interior no terminal is successfully accessed to the terminal WLAN for being presently in position；Delete the GPS letters that the terminal is presently in position Breath and the terminal are presently in the WLAN information that at least one of macro network information of position is presently in position with the terminal The correspondence.

Optionally, the location information of the current present position is the global position system GPS by the current present position At least one of macro network information of information and the current present position characterizes.

Optionally, which is open type moving architecture equipment management OMA DM message.

Optionally, which is open type moving architecture equipment management OMA DM message, and the first message Prompting order type Alert Type for notify establish the current present position GPS information and this be presently in position The correspondence of at least one of macro network information put and the WLAN information of the current present position.

Optionally, the WLAN information of the current present position includes the Basic Service Set mark of the WLAN of the current present position Know at least one of BSSID and service set SSID.

It is to be understood that ANDSF network elements 700 according to embodiments of the present invention may correspond to the acquisition of information in the embodiment of the present invention ANDSF network elements in method, and above and other operation and/or function of all parts of ANDSF network elements 700 respectively in order to The corresponding flow of each method in Fig. 1 to Fig. 4 is realized, for sake of simplicity, details are not described herein.

Therefore, in embodiments of the present invention, the first message sent by receiving terminal, and according to the first message, build Stand the terminal be presently in the location information of position and the terminal be presently in position WLAN information correspondence, so as to To realize the automatic correspondence for obtaining location information and WLAN information, so as to reduce the difficulty of ANDSF deployment, people is reduced Work maintenance cost.Further, the WLAN that the location information of position is presently in the carried terminal sent according to terminal has found Request message, determine do not record the terminal be presently in position location information and WLAN information correspondence when, to this Terminal transmission, which is used to indicate, not to be recorded the terminal and is presently in the location information of position and the correspondence of WLAN information WLAN has found response message, it is ensured that works as itself not being stored with the terminal and being presently in the location information of position with the terminal During the correspondence of the WLAN information of preceding present position, terminal just report carry the terminal be presently in the location information of position with The terminal is presently in the first message of the WLAN information of position, so as to reduce reporting for the garbage of terminal.Into one Step ground is presently in the location information of position in the carried terminal for receiving terminal transmission and terminal is presently in the WLAN of position After the first message of information and establish that the terminal is presently in the location information of position and the terminal is presently in position Before the correspondence of WLAN information, determine that the terminal is presently in the WLAN information of position as effective WLAN information, it can It is invalid WLAN information to avoid the WLAN information that ANDSF is registered.Further, position is presently in establishing the terminal Location information and the terminal WLAN information for being presently in position correspondence after, determine not receive in the given time Carry the terminal be presently in position WLAN information first message and determine terminal no in the given time be successfully accessed When being presently in the WLAN of position to the terminal, delete that the terminal is presently in the location information of position and the terminal is presently in The correspondence of the WLAN information of position can be presently in network as useless WLAN to avoid terminal.

Figure 10 is the schematic block diagram of terminal 800 according to embodiments of the present invention.As shown in Figure 10, which includes processing Device 810, memory 820 and transceiver 830；Wherein, program code is stored in the memory 820, and the processor 810 is called and is somebody's turn to do The program code in memory 820 performs following operation：It determines to be presently in the location information of position and determines that this is current The Wireless LAN WLAN information of present position；In present access network, the transceiver is controlled to access network discovery and choosing It selects function ANDSF network elements and sends first message, which carries the location information of the current present position and this is current The WLAN information of present position, so that the ANDSF network elements establish according to the first message location information of the current present position With the correspondence of the WLAN information of the current present position.

Optionally, which calls the program code in the memory 820 to be additionally operable to perform following operation： Before sending the first message to the ANDSF network elements, determine that the WLAN information of the current present position belongs to preset operator WLAN information.

Optionally, which calls the program code in the memory 820 to be additionally operable to perform following operation： Before sending the first message to the ANDSF network elements, determine that the ANDSF network elements need to establish the position letter of the current present position Breath and the correspondence of the WLAN information of the current present position.

Optionally, which calls the program code in the memory 820 to be specifically used for performing following operation： Under macro network access, control transceiver 830 sends WLAN discovery request message, the WLAN discovery requests to the ANDSF network elements Message carries the location information of the current present position；Transceiver 830 is controlled to receive the WLAN that the ANDSF network elements are sent to find to ring Message is answered, which finds that response message is used to indicate the location information that the ANDSF network elements do not record the current present position With the correspondence of WLAN information.

Optionally, the location information of the current present position is the global position system GPS by the current present position At least one of macro network information of information and the current present position characterizes.

Optionally, which is macro network or WLAN.

Optionally, the first message be OMA DM message, and the first message prompting order type Alert Type For the ANDSF network elements to be notified to establish the location information of the current present position and pair of the WLAN information of the current present position It should be related to.

Optionally, the WLAN information of the current present position includes the Basic Service Set mark of the WLAN of the current present position Know at least one of BSSID and service set SSID.

It is to be understood that terminal 800 according to embodiments of the present invention may correspond to the information acquisition method in the embodiment of the present invention In terminal, and above and other operation and/or function of all parts of terminal 800 is respectively in order to realize in Fig. 1 to Fig. 4 The corresponding flow of each method, for sake of simplicity, details are not described herein.

Therefore, in embodiments of the present invention, the location information of position is presently in by obtaining and obtains the current institute Locate the WLAN information of position, and be presently in the location information and this of the ANDSF network elements transmission carrying current present position The first message of the WLAN information of position can realize the automatic correspondence for obtaining location information and WLAN information, so as to To reduce the difficulty of ANDSF deployment, manual maintenance cost is reduced.It is possible to further determine to be presently in the WLAN of position Information belongs to the WLAN information of preset operator and then the position for carrying the current present position is sent to ANDSF network elements The first message of information and the WLAN information of the current present position, it is possible to reduce garbage reports.Further, may be used To send the WLAN information of the location information for carrying the current present position and the current present position to ANDSF network elements Before first message, determine that the ANDSF network elements need to establish the location information of the current present position and the current present position WLAN information correspondence, reporting for garbage can also be reduced.

Those of ordinary skill in the art may realize that each exemplary lists described with reference to the embodiments described herein Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is performed with hardware or software mode, specific application and design constraint depending on technical solution.Professional technician Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed The scope of the present invention.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit may be referred to the corresponding process in preceding method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit Division is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component in actual implementation It may be combined or can be integrated into another system or some features can be ignored or does not perform.It is another, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit It closes or communicates to connect, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That unit is individually physically present, can also two or more units integrate in a unit.

If the function is realized in the form of SFU software functional unit and is independent production marketing or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, is used including some instructions so that a computer equipment (can be People's computer, server or network equipment etc.) perform all or part of the steps of the method according to each embodiment of the present invention. And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.

The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain Lid is within protection scope of the present invention.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.

Claims (30)

1. a kind of information acquisition method, which is characterized in that including：

The WLAN discovery request message that terminal is sent after macro network is linked into is received, the WLAN discovery requests message carries institute State the location information that terminal is presently in position；

According to the WLAN discovery requests message, determine not recording location information and WLAN that the terminal is presently in position The correspondence of information；

WLAN is sent to the terminal and finds response message, and the WLAN has found that response message is used to indicate and do not recorded the end End is presently in the location information of position and the correspondence of WLAN information；

The first message that the terminal is sent is received, the first message carries the location information that the terminal is presently in position The Wireless LAN WLAN information of position is presently in the terminal；

According to the first message, establish that the terminal is presently in the location information of position and the terminal is presently in position WLAN information correspondence.

2. according to the method described in claim 1, it is characterized in that, it is described reception terminal send the first message it Afterwards and described establish the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position Correspondence before, the method further includes：

It determines not recording the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position The correspondence.

3. method according to claim 1 or 2, which is characterized in that establish the terminal described and be presently in position Before the correspondence for the WLAN information that location information is presently in position with the terminal, the method further includes：

By searching for WLAN information database, determine that the terminal is presently in the WLAN information of position and believes for effective WLAN Breath.

4. method according to claim 1 or 2, which is characterized in that the method further includes：

It determines not receive the first message for carrying the WLAN information that the terminal is presently in position in the given time, so as to really Fixed terminal no in the given time is successfully accessed to the terminal WLAN for being presently in position；

Delete the terminal be presently in the location information of position and the terminal be presently in position WLAN information it is described Correspondence.

5. method according to claim 1 or 2, which is characterized in that the location information that the terminal is presently in position is The global position system GPS information of position is presently in by the terminal and the terminal is presently in the macro network letter of position At least one of breath characterizes.

6. method according to claim 1 or 2, which is characterized in that the first message is open type moving architecture Equipment management OMA DM message, and the type Alert Type of the prompting order of the first message establish the end for notice The location information for being presently in position is held to be presently in the correspondence of the WLAN information of position with the terminal.

7. method according to claim 1 or 2, which is characterized in that the terminal is presently in the WLAN information bag of position At least one of basic service set identification BSSID and service set SSID of WLAN of position are presently in described in including.

8. a kind of information acquisition method, which is characterized in that including：

It determines to be presently in the location information of position and determines the Wireless LAN WLAN letters for being presently in position Breath；

Under macro network access, WLAN discovery request message is sent to access network discovery and selection function ANDSF network elements, it is described The location information of position is presently in described in the carrying of WLAN discovery requests message；

It receives the WLAN that the ANDSF network elements are sent and finds response message, it is described that the WLAN has found that response message is used to indicate ANDSF network elements are presently in the location information of position and the correspondence of WLAN information described in not recording；

In present access network, first message is sent to the ANDSF network elements, is presently in described in the first message carrying The location information of position and the WLAN information for being presently in position, so that the ANDSF network elements disappear according to described first Breath is presently in the location information of position and the correspondence of the WLAN information for being presently in position described in establishing.

9. according to the method described in claim 8, it is characterized in that, it is described to ANDSF network elements send first message before, institute The method of stating further includes：

Determine that the WLAN information for being presently in position belongs to the WLAN information of preset operator.

10. method according to claim 8 or claim 9, which is characterized in that it is described to ANDSF network elements send first message it Before, the method further includes：

Determine that the ANDSF network elements are presently in the location information of position and the position that is presently in described in needing to establish The correspondence of WLAN information.

11. according to the method described in claim 10, it is characterized in that, described determine that the ANDSF network elements are needed described in foundation The location information of position and the correspondence of the WLAN information for being presently in position are presently in, including：

Find that response message determines that the ANDSF network elements are presently in position described in needing foundation according to the WLAN received Location information and the WLAN information for being presently in position correspondence.

12. method according to claim 8 or claim 9, which is characterized in that the location information for being presently in position is to pass through At least one in the global position system GPS information for being presently in position and the macro network information for being presently in position Plant what is characterized.

13. method according to claim 8 or claim 9, which is characterized in that the present access network is macro network or WLAN.

14. method according to claim 8 or claim 9, which is characterized in that the first message is open type moving architecture Equipment management OMA DM message, and the type Alert Type of the prompting order of the first message are used to notify the ANDSF Network element is presently in the location information of position and the correspondence of the WLAN information for being presently in position described in establishing.

15. method according to claim 8 or claim 9, which is characterized in that the WLAN information for being presently in position includes institute State at least one of basic service set identification BSSID and service set SSID for the WLAN for being presently in position.

16. a kind of access network discovery and selection function ANDSF network elements, which is characterized in that including：

Receiving unit, for receiving the WLAN discovery request message that terminal is sent after macro network is linked into, the WLAN has found Request message carries the location information that the terminal is presently in position；

Second determination unit, for according to the WLAN discovery requests message, determining that not recorded the terminal is presently in position The location information and the correspondence of WLAN information put；

Transmitting element finds response message for sending WLAN to the terminal, and the WLAN has found that response message is used to indicate The terminal is not recorded is presently in the location information of position and the correspondence of WLAN information；

The receiving unit is additionally operable to receive the first message that the terminal is sent, and the first message carries the terminal and works as The location information of preceding present position and the terminal are presently in the Wireless LAN WLAN information of position；

Unit is established, for according to the first message, establishing the terminal and being presently in the location information of position and the end End is presently in the correspondence of the WLAN information of position.

17. ANDSF network elements according to claim 16, which is characterized in that the ANDSF network elements further include：

First determination unit, for receive that the terminal is sent in the receiving unit the first message after, Yi Jisuo It states and establishes unit and establish the WLAN information that the terminal is presently in the location information of position and the terminal is presently in position The correspondence before, determine not recording that the terminal is presently in the location information of position and the terminal is presently in The correspondence of the WLAN information of position.

18. the ANDSF network elements according to claim 16 or 17, which is characterized in that the ANDSF network elements further include,

3rd determination unit, for it is described establish unit and establish the terminal be presently in the location information of position and the end Before the correspondence for holding the WLAN information for being presently in position, by searching for WLAN information database, the end is determined The WLAN information that end is presently in position is effective WLAN information.

19. the ANDSF network elements according to claim 16 or 17, which is characterized in that the ANDSF network elements further include：

4th determination unit, for determining not receive the WLAN information for carrying the terminal and being presently in position in the given time First message, so that it is determined that no terminal is successfully accessed to the terminal WLAN for being presently in position in the given time；

Unit is deleted, the terminal is presently in the location information of position and the terminal is presently in position for deleting The correspondence of WLAN information.

20. a kind of terminal, which is characterized in that including：

Determination unit, for determining to be presently in the location information of position and determining the wireless office for being presently in position Domain network WLAN information；

Transmitting element under being accessed in macro network, sends WLAN to access network discovery and selection function ANDSF network elements and finds to ask Message is sought, the location information of position is presently in described in the WLAN discovery requests message carrying；

Receiving unit finds response message for receiving the WLAN that the ANDSF network elements are sent, and the WLAN has found response message It is used to indicate the ANDSF network elements and does not record and described be presently in the location information of position and the correspondence of WLAN information；

The transmitting element, is additionally operable in present access network, to the ANDSF network elements send first message, described first Message is presently in the location information of position and the WLAN information for being presently in position described in carrying, so as to described ANDSF network elements are presently according to being established the first message location information of position and the position that is presently in The correspondence of WLAN information.

21. terminal according to claim 20, which is characterized in that the determination unit be additionally operable to the transmitting element to Before the ANDSF network elements send the first message, determine that the WLAN information for being presently in position belongs to preset fortune Seek the WLAN information of business.

22. the terminal according to claim 20 or 21, which is characterized in that the determination unit is additionally operable to send list described Before member sends the first message to the ANDSF network elements, determine that the ANDSF network elements need to be presently in position described in foundation The location information put and the correspondence of the WLAN information for being presently in position.

23. terminal according to claim 22, which is characterized in that the determination unit is received according to the receiving unit WLAN find that response message determines that the ANDSF network elements are presently in the location information of position and work as with described described in needing to establish The correspondence of the WLAN information of preceding present position.

24. a kind of access network discovery and selection function ANDSF network elements, which is characterized in that including processor, memory and transmitting-receiving Device；Wherein, program code is stored in the memory, and the processor calls the said program code in the memory to hold The following operation of row：

The transceiver is controlled to receive the WLAN discovery request message that terminal is sent after macro network is linked into, the WLAN has found Request message carries the location information that the terminal is presently in position；

According to the WLAN discovery requests message, determine not recording location information and WLAN that the terminal is presently in position The correspondence of information；

The transceiver is controlled to send WLAN to the terminal and finds response message, the WLAN has found that response message is used to indicate The terminal is not recorded is presently in the location information of position and the correspondence of WLAN information；

The transceiver is controlled to receive the first message that the terminal is sent, the first message carries the terminal and is presently in The location information of position and the terminal are presently in the Wireless LAN WLAN information of position；

According to the first message, establish that the terminal is presently in the location information of position and the terminal is presently in position WLAN information correspondence.

25. ANDSF network elements according to claim 24, which is characterized in that the processor is called in the memory Said program code is additionally operable to perform following operation：

After the first message for receiving the terminal and sending and described establish the terminal and be presently in position Location information and the terminal WLAN information that is presently in position the correspondence before, determine not recording the end The location information for being presently in position is held to be presently in the correspondence of the WLAN information of position with the terminal.

26. the ANDSF network elements according to claim 24 or 25, which is characterized in that the processor calls the memory In said program code be additionally operable to perform following operation：

The WLAN information that the terminal is presently in the location information of position and the terminal is presently in position is established described The correspondence before, by searching for WLAN information database, determine that the terminal is presently in the WLAN information of position For effective WLAN information.

27. the ANDSF network elements according to claim 24 or 25, which is characterized in that the processor calls the memory In said program code be additionally operable to perform following operation：

It determines not receive the first message for carrying the WLAN information that the terminal is presently in position in the given time, so as to really Fixed terminal no in the given time is successfully accessed to the terminal WLAN for being presently in position；

Delete the terminal be presently in the location information of position and the terminal be presently in position WLAN information it is described Correspondence.

28. a kind of terminal, which is characterized in that including processor, memory and transceiver；Wherein, journey is stored in the memory Sequence code, and the processor calls the said program code in the memory to perform following operation：

It determines to be presently in the location information of position and determines the Wireless LAN WLAN letters for being presently in position Breath；

Under macro network access, the transceiver is controlled to send WLAN to access network discovery and selection function ANDSF network elements and is found Request message, the WLAN discovery requests message carry described in be presently in the location information of position；

The transceiver is controlled to receive the WLAN that the ANDSF network elements are sent and finds response message, the WLAN has found that response disappears Breath is used to indicate the ANDSF network elements and does not record the location information for being presently in position pass corresponding with WLAN information System；

In present access network, the transceiver is controlled to send first message to the ANDSF network elements, the first message is taken The location information of position and the WLAN information for being presently in position are presently in described in band, so as to the ANDSF network elements The location information of position and the WLAN information for being presently in position are presently according to being established the first message Correspondence.

29. terminal according to claim 28, which is characterized in that the processor calls the journey in the memory Sequence code is additionally operable to perform following operation：

Before the first message is sent to the ANDSF network elements, determine that the WLAN information for being presently in position belongs to The WLAN information of preset operator.

30. the terminal according to claim 28 or 29, which is characterized in that the processor calls the institute in the memory Program code is stated to be additionally operable to perform following operation：

Before the first message is sent to the ANDSF network elements, determine that the ANDSF network elements need to establish the current institute Locate the location information of position and the correspondence of the WLAN information for being presently in position.