CN103002572B - A kind of method and device for obtaining wireless local network user positional information - Google Patents

A kind of method and device for obtaining wireless local network user positional information Download PDF

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Publication number
CN103002572B
CN103002572B CN201110275383.XA CN201110275383A CN103002572B CN 103002572 B CN103002572 B CN 103002572B CN 201110275383 A CN201110275383 A CN 201110275383A CN 103002572 B CN103002572 B CN 103002572B
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asr
information
positional information
message
adjacent
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CN103002572A (en
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黄翔
潘云波
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Xuruiyi (Jiangsu) Intelligent Technology Co.,Ltd.
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of method and device for obtaining wireless local network user positional information, after mark net UE is linked into ASR by virtual access point, ASR sends location information request to adjacent access point control, with the positional information of the UE., can be in the case where not changing existing WLAN deployment and equipment so that the AP information that the terminal that ASR can know is accessed using the present invention.

Description

A kind of method and device for obtaining wireless local network user positional information
Technical field
The present invention relates to mobile communication technology field, more particularly to a kind of side for obtaining wireless local network user positional information Method and device.
Background technology
In identity and locator separation network (also referred to as make a check mark network), as shown in Figure 1, Host is host, AID is configured (Access Identifier, access mark) is used as identity；ASR (Access Service Router, access service road By device) it is couple in router, it is equipped with RID (Router Identifier, Route Distinguisher) and is used as station location marker.All hosts lead to ASR is crossed to be registered and certification and access network.Host is linked on ASR, and leaves the behavior of ASR, and ASR is needed to ILR (Identifier and Location Register, identity and location register register) is reported.ILR preserves the identity of Host Identify the mapping relations of AID and position RID<AID, RID>.ILR provides the response to inquiring about mapping relations at the same time.
Communicate between Host and Host, it is packaged and is route using the RID on ASR, and by between Host and Host Original message be encapsulated in Payload.When message reaches purpose ASR, purpose ASR decapsulates message, then by original Beginning message is forwarded to purpose Host.
Message in identity and location network repeating process as shown in Fig. 2, its message forwarding process be：In source, ASR is (i.e. ASRl RID encapsulation) is carried out to message, then the message between source ASR and purpose ASR (i.e. ASR2) after forwarding encapsulation, finally Message is decapsulated on purpose ASR, and is forwarded to purpose HOST.
In message forwarding process, the encapsulation format of message is divided into two kinds of original message and RID encapsulated messages：
Original message forwards：AID conducts are used between the access layer of identity and position separated network, i.e. Host and ASR Source address and destination address carry out message forwarding, its message format is as shown in Figure 3.
RID encapsulated messages forward：Sealed between the core layer of identity and position separated network, i.e. ASR and ASR using RID Message forwarding after dress, its message format are as shown in Figure 4.
Due to having the advantages that low cost, high-performance, WLAN (Wireless Local Area Network, wireless local Net) obtain large-scale application, and the emphasis of operator's " full-service operation ".In the WLAN disposed at present, no spool Manage function to be performed by AC (Access Point Control, access point control), AC can be obtained to exist including terminal access position Interior wireless messages.
Identity and locator separation network are disposed on existing WLAN, virtual AP (Access Point, access can be used Point) mode realizes incremental deploying, as shown in Figure 5.In such a scenario, any problem is not present to mark network packet forwarding in ASR, But in order to strengthen the accurate location services capability of mark net, it is necessary to obtain WLAN user positional information, thus, it is following by producing A series of problem：
1) under the scene, WLAN and AP is not corresponded, and UE can not be obtained by the methods of VAP (virtual AP) or VLAN How exact position, ASR obtain the exact position of WLAN user；
2) there is no specific interface between the AC and ASR in now netting, under conditions of AC is not changed, ASR is how at AC Obtain the information needed；
3) ASR would generally be responsible for the access of the mark network users from different AC, and how ASR has found that terminal accesses institute Belong to AC；
At present, in view of the above-mentioned problems, not providing corresponding solution in the prior art.
The content of the invention
The technical problem to be solved by the present invention is to provide it is a kind of obtain wireless local network user positional information method and device, In the case where not changing existing WLAN deployment and equipment, realize and obtain customer position information in mark is netted.
In order to solve the above technical problems, the present invention provides it is a kind of obtain wireless local network user positional information method,
It is described after mark network users equipment (UE) is linked into access service router (ASR) by virtual access point (VAP) ASR sends location information request to adjacent access point control (AC), to obtain the positional information of the UE.
Further, the ASR is used asks through the protocol message that both sides arrange to the adjacent AC transmissions positional information Ask, accessing position information is included at least in the protocol message.
Further, the ASR sends the position using Simple Network Management Protocol (SNMP) message to adjacent AC Information request, includes the identifier of the UE in the snmp message, and the PDU of the snmp message for Get or GetNext or GetBulk is operated.
Further, the location information request that the ASR is sent includes following field：
Identifier field, the identifier field are the identifier of the UE；
Accessing position information field, the accessing position information field are sky.
Further, when AC receives the location information request of ASR, the UE is inquired about in the radio management information of maintenance Positional information, and return to the ASR.
Further, the positional information of the UE includes, the information of the access point (AP) of the UE access.
Present invention also offers a kind of device for obtaining wireless local network user positional information, applied to identity and position point Off-network network, described device include ASR, and the ASR further comprises position information acquisition module,
The position information acquisition module is used for, and after mark net UE is accessed by VAP, positional information is sent to adjacent AC Request, to obtain the positional information of the UE.
Further, the position information acquisition module is used for, using the protocol message arranged through ASR and AC both sides, to Adjacent AC sends the location information request, and accessing position information is included at least in the protocol message.
Further, the position information acquisition module is used for, and the position is sent to adjacent AC using snmp message Information request, the identifier of the UE is included in the snmp message, and the protocol Data Unit (PDU) of the snmp message is Get or GetNext or GetBulk operations.
Further, described device further includes the place information inquiry module in AC,
The place information inquiry module is used for, and when receiving the location information request of ASR, believes in the radio management of maintenance The positional information of the UE is inquired about in breath, and returns to the ASR；Wherein, the positional information of the UE includes, the UE access AP information.
The present invention proposes a kind of solution for identifying and WLAN user positional information being obtained in net, is not changing existing WLAN In the case of deployment and equipment, the positional information of user can be obtained in mark is netted so that ASR can know that terminal is accessed AP information.
Brief description of the drawings
Attached drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the configuration diagram of identity and position separated network；
Fig. 2 is repeating process schematic diagram of the message in identity and locator separation network；
Fig. 3 is original AID messages schematic diagram；
Fig. 4 is RID encapsulated message schematic diagrames；
Fig. 5 is to realize incremental deploying schematic diagram by virtual AP；
Fig. 6 is to obtain WLAN user positional information schematic diagram in the mark net of the embodiment of the present invention；
Fig. 7 is that the ASR of the embodiment of the present invention inquires about the message format schematic diagram of UE positions to AC；
Fig. 8 is that the AC of the embodiment of the present invention returns to the message format schematic diagram of UE positions to ASR.
Embodiment
Present embodiment provides a kind of method for obtaining wireless local network user positional information, adopts the following technical scheme that：
After mark net UE accesses ASR by VAP, the ASR of the UE access sends location information request to adjacent AC, to obtain Take the positional information of the UE.
When AC receives the location information request of ASR, the position letter of the UE is inquired about in the radio management information of maintenance Breath, and return to the ASR.
Wherein, the positional information of the UE includes, the information of the AP of the UE access.
Further, information of the ASR with the agreement that certain both sides arranges to the AP of its adjacent AC acquisition request UE access.
For the object, technical solutions and advantages of the present invention are more clearly understood, below in conjunction with attached drawing to the present invention Embodiment be described in detail.It should be noted that in the case where there is no conflict, in the embodiment and embodiment in the application Feature can mutually be combined.
Embodiment one
The process flow of the acquisition WLAN user position of the present embodiment is as shown in fig. 6, specifically comprise the following steps：
Step 1, UE selections correspond to the VAP accesses of mark net；
Corresponding different UE, specifically includes：
Step 1.a, the non-identifying corresponding VAP of net UE access, such as：
Two VAP are generated on AP, the SSID for the VAP1 that common WLAN is used is VAP_PT, and mark nets dedicated VAP2's SSID is VAP_BZ.Common UE may be selected by VAP_PT accesses.
Step 1.b, identifies the corresponding VAP of net UE access, such as：
Two VAP are generated on AP, the SSID for the VAP1 that common WLAN is used is VAP_PT, and mark nets dedicated VAP2's SSID is VAP_BZ.After UE signatory mark nets, UE may be selected by VAP_BZ accesses.
Step 2, VAP accesses ASR by UE by certain mode, such as VLAN；
Step 2.a, corresponding to the VAP of common UE, by certain mode, accesses AC；
Step 2.b, corresponding to the VAP of mark net UE, by certain mode, accesses ASR；
Such as：AP and AC forms VLAN1, the common UE of corresponding WLAN；AP and ASR forms VLAN2, and UE is netted corresponding to mark. The common UE of WLAN are accessed ACs by VAP1 by VLAN1；VAP2 will identify net UE and access ASR by VLAN2.
Step 3, ASR perceives mark net UE access, the agreement arranged with both sides, such as SNMP (Simple Network Management Protocol, Simple Network Management Protocol) or other agreements, obtain UE positional informations to adjacent ACs；
Specifically, the use of PDU is the SNMP that Get or GetNext or GetBulk is operated after ASR has found mark net UE access Message, and indicate in PDU the identifier of UE, and then it is the information from which AP access to obtain UE to adjacent AC.
As PDU be GetNext in Variable bindings in Name1 fields be arranged to mark net UE MAC, As inquiry key assignments, the location field value to be obtained is arranged to 0.
Step 4, after ACs receives the message for the acquisition mark net UE positional informations that ASR is sent, according to UE contained in message Identifier (MAC of such as UE), inquires about the database for including accessing position information of its maintenance.
Specifically, management information bank MIB (Management Information Base, the abbreviation in SNMP can be passed through MIB) search and the matched UE information of UE identifier.In order to safeguard accessing position information, related access digit can be increased in MIB The node put, so that in the snmp message that PDU is Get or GetNext or GetBulk, increase obtains related on-position The value of node.For example, AC is received after the PDU that ASR sends is the snmp message of Get or GetNext or GetBulk, according to message The UE identifier included in PDU, inquiry and the matched information of UE identifier in MIB.
Alternatively, the database lookup and the matched UE information of UE identifier of other forms can also be used, such as can increase It is the data base entries of on-position to add key assignments in database, and corresponding access can be obtained by the entry inquired about under the key assignments Positional information.
Step 5, after acquisition and the matched information of UE identifier, AC then by the positional information of UE, passes through what both sides arranged Agreement, such as SNMP or other agreements, returns to ASR；
Such as：The UE positional informations for inquiring about acquisition are filled into the Response PDU of snmp message by AC, and this is disappeared Breath is sent to ASR.
Embodiment two
The present embodiment flow is consistent with the flow of previous embodiment one, and the main distinction of the two is, obtains positional information When the message format that uses it is different.
In the present embodiment, ASR can use message as shown in Figure 7 to obtain UE positional informations to AC, referring to Fig. 7, report Mainly include following information in text：Type of message (Type), length (length), UE identifier (UE ' s Identifier) with And the accessing position information (UE ' s Location) of UE.For example, the value of UE ' s location fields therein for initial value or Default value, but it is not limited to the form；
And AC can then use message as shown in Figure 8 to return to UE positional informations to ASR, for example, in the message responded The type field can be using value as (Type+1), and UE ' s location fields then fill the accessing position information of UE.
In addition, a kind of device for obtaining wireless local network user positional information, application are additionally provided in the embodiment of the present invention In identity and position separated network, which mainly includes ASR, and the ASR further comprises position information acquisition module,
The position information acquisition module is used for, and after mark net UE is accessed by VAP, positional information is sent to adjacent AC Request, to obtain the positional information of the UE.
Further, the position information acquisition module is used for, using the protocol message arranged through ASR and AC both sides, to Adjacent AC sends the location information request, and accessing position information is included at least in the protocol message.
Further, the position information acquisition module is used for, and the position is sent to adjacent AC using snmp message Information request, includes the identifier of the UE in the snmp message, and the PDU of the snmp message for Get or GetNext or GetBulk is operated.
Further, described device further includes the place information inquiry module in AC, which is used for： When receiving the location information request of ASR, the positional information of the UE is inquired about in the radio management information of maintenance, and return to The ASR；Wherein, the positional information of the UE includes, the information of the AP of the UE access.
It these are only that the present invention's is preferable to carry out case, be not intended to limit the invention, the present invention can also have other Various embodiments, in the case of without departing substantially from spirit of the invention and its essence, those skilled in the art can be according to this hair It is bright to make various corresponding changes and deformation, but these corresponding changes and deformation should all belong to appended claims of the invention Protection domain.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or Step is fabricated to single integrated circuit module to realize.Combined in this way, the present invention is not restricted to any specific hardware and software.

Claims (10)

  1. A kind of 1. method for obtaining wireless local network user positional information, it is characterised in that
    After mark network users equipment UE is linked into access service router ASR by virtual access point VAP, the ASR is to adjacent Access point control AC sends location information request, to obtain the positional information of the UE.
  2. 2. the method as described in claim 1, it is characterised in that
    The ASR is used sends the location information request through the protocol message that both sides arrange to adjacent AC, and the agreement disappears Accessing position information is included at least in breath.
  3. 3. the method as described in claim 1, it is characterised in that
    The ASR sends the location information request using Simple Network Management Protocol snmp message to adjacent AC, described Include the identifier of the UE in snmp message, and the protocol Data Unit PDU of the snmp message for Get or GetNext or GetBulk is operated.
  4. 4. the method as described in claim 1, it is characterised in that
    The location information request that the ASR is sent includes following field：
    Identifier field, the identifier field are the identifier of the UE；
    Accessing position information field, the accessing position information field are sky.
  5. 5. the method as described in claim 1,2,3 or 4 are any, it is characterised in that
    When AC receives the location information request of ASR, the positional information of the UE is inquired about in the radio management information of maintenance, and Return to the ASR.
  6. 6. method as claimed in claim 5, it is characterised in that
    The positional information of the UE includes, the information of the access point AP of the UE access.
  7. 7. a kind of device for obtaining wireless local network user positional information, applied to identity and position separated network, its feature exists In, described device includes ASR, and the ASR further comprises position information acquisition module,
    The position information acquisition module is used for, and after mark net UE is accessed by VAP, sending positional information to adjacent AC please Ask, to obtain the positional information of the UE.
  8. 8. device as claimed in claim 7, it is characterised in that
    The position information acquisition module is used for, and using the protocol message arranged through ASR and AC both sides, institute is sent to adjacent AC Location information request is stated, accessing position information is included at least in the protocol message.
  9. 9. device as claimed in claim 7, it is characterised in that
    The position information acquisition module is used for, and the location information request is sent to adjacent AC using snmp message, described The identifier of the UE is included in snmp message, and the PDU of the snmp message operates for Get or GetNext or GetBulk.
  10. 10. the device as described in claim 7,8 or 9 are any, it is characterised in that described device further includes the positional information in AC Enquiry module,
    The place information inquiry module is used for, when receiving the location information request of ASR, in the radio management information of maintenance The positional information of the UE is inquired about, and returns to the ASR；Wherein, the positional information of the UE includes, the AP of the UE access Information.
CN201110275383.XA 2011-09-16 2011-09-16 A kind of method and device for obtaining wireless local network user positional information Active CN103002572B (en)

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PCT/CN2012/074235 WO2012155749A1 (en) 2011-09-16 2012-04-18 Method and apparatus for acquiring user position information in wlan

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US9983291B2 (en) * 2014-11-10 2018-05-29 Qualcomm Incorporated Methods, apparatuses, and devices for mobile device position estimation using virtual access points

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