CN102160400B - Method, equipment for acquiring information needed to locate mobile terminal - Google Patents
Method, equipment for acquiring information needed to locate mobile terminal Download PDFInfo
- Publication number
- CN102160400B CN102160400B CN200980136355.0A CN200980136355A CN102160400B CN 102160400 B CN102160400 B CN 102160400B CN 200980136355 A CN200980136355 A CN 200980136355A CN 102160400 B CN102160400 B CN 102160400B
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- access
- network
- information
- request message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000013507 mapping Methods 0.000 claims description 25
- 238000004891 communication Methods 0.000 claims description 13
- 239000000284 extract Substances 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 238000000060 site-specific infrared dichroism spectroscopy Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides a technical solution for assisting a network server to acquire the information needed to locate a mobile terminal in an access equipment. After receiving the network connection request message from the mobile terminal, the access equipment determines the access loop information of the mobile terminal, and reports the access loop information of the mobile terminal to the network server so that the network server can locate the mobile terminal based on the information. By using the method and equipment provided by the present invention, the network server, especially the address allocation server which is a Dynamic Host Configuration Protocol (DHCP) server, can know the information needed to locate a mobile terminal no matter how the mobile terminal moves, thereby can enable accurate locating of the mobile terminal.
Description
Technical field
The present invention relates to access device and the webserver in communication network, relate in particular in access device and obtain method and the device of mobile terminal being located to required information for assisted network server, be used for obtaining at the webserver method and the device that mobile terminal are positioned to required information.
Background technology
Along with the fast development of technology, the trend of fixing Mobile Convergence (FMC) is more and more obvious, and WLAN (wireless local area network) is widely used in Access Network.Virtual network operator also starts to dispose energetically WLAN (wireless local area network) in Access Network and thinks that mobile terminal provides public wireless access service.The Access Network of Virtual network operator will provide mobility for mobile terminal, and mobile terminal is no matter under the coverage of which WAP (wireless access point) so, and it should be all visible to Virtual network operator.This just mean mobile terminal can via WAP (wireless access point) access network enjoy service should be by Virtual network operator control.Because WAP (wireless access point) is generally placed in user resident network, from the angle of mobile terminal and Virtual network operator, all can think dangerous.
At present, a kind of centralized WLAN framework that the control of the existing WAP (wireless access point) based on IETF and configuration protocol (CAPWAP, RFC3990) propose solves the technical scheme of above-mentioned safety problem.As shown in Figure 1, wherein, WAP (wireless access point) 12 realizes the function (or being referred to as " WTP " or smart antenna) of thin AP to its network topology structure figure, and Radio Control Function (AC) is realized by access device 14.For the access device 14 that mobile terminal provides the Public WLAN of network insertion service to be controlled by operator is controlled (certainly, user Private WLAN is controlled by user oneself).
In the network topology structure shown in Fig. 1, access device 14 (comprising 14-1 and 14-2) is by inserting respectively option 82 in the dhcp address allocation request message sending in the time that each mobile terminal 11 starts, in order to notify the access loop information of dhcp address distribution server 19 these mobile terminals 11, also this mobile terminal by which groove, which port of which access device and this access device is linked in network.Conventionally, Virtual network operator is in the time of on-premise network, and each port of each groove of each access device is planned in advance corresponding to which geographic area, and is stored in Dynamic Host Configuration Protocol server 19.Dynamic Host Configuration Protocol server extracts the access loop information of each mobile terminal 11 and stores from dhcp address allocation request message, then utilizes access loop information to position each mobile terminal 11.
In order to support the mobility of mobile terminal 11, in IEEE 802.11r, specify the consensus standard that mobile terminal 11 switches between different WLAN-access points, mobile radio station can (not changing under the situation of IP address) be switched fast under the situation of start between different WLAN access points.Now, a problem of bringing is, the access loop information mapping table in Dynamic Host Configuration Protocol server 19 does not upgrade, and Dynamic Host Configuration Protocol server 19 cannot utilize the access loop information of wherein storage to position mobile terminal.
Summary of the invention
The present invention is in order to solve the problems referred to above of prior art, propose assisted network server in access device and obtained the technical scheme that mobile terminal is positioned to required information, access device is after the network connecting request message receiving from mobile terminal, determine the access loop information of this mobile terminal, and by the access loop information reporting of this mobile terminal to the webserver, so that the webserver positions mobile terminal accordingly.
According to a first aspect of the invention, provide a kind of and obtained the method for mobile terminal being located to required information for assisted network server in the access device of Access Network, it is characterized in that, comprise the following steps: a. receives the network connecting request message from mobile terminal, and described network connecting request message comprises the mark of described mobile terminal; B. receive the port position of described network connecting request message according to this access device, determine the access loop information of described mobile terminal; C. send a notification message to the webserver, this notification message comprises the access loop information of described mobile terminal and the mark of this mobile terminal.
According to a second aspect of the invention, provide a kind of in the webserver of communication network for obtaining the method that mobile terminal is positioned to required information, it is characterized in that, comprise the following steps :-receiving the notification message from access device, this notification message comprises the access loop information of mobile terminal and the identification information of this mobile terminal;-to set up or upgrade access loop information mapping table according to the access loop information of described mobile terminal and identification information, this access loop information mapping table is for positioning mobile terminal.
According to a third aspect of the invention we, provide a kind of and obtained for assisted network server the assistance device that mobile terminal is positioned to required information in the access device of Access Network, it is characterized in that, this device comprises first receiving device, determining device and the first dispensing device.Wherein, first receiving device is for receiving the network connecting request message from mobile terminal, and described network connecting request message comprises the mark of described mobile terminal; Determining device, for receive the port position of described network connecting request message according to this access device, is determined the access loop information of described mobile terminal; The first dispensing device is used for sending a notification message to the webserver, and this notification message comprises the access loop information of described mobile terminal and the mark of this mobile terminal.
According to a forth aspect of the invention, provide a kind of in the webserver of communication network for obtaining the acquisition device that mobile terminal is positioned to required information, it is characterized in that, this acquisition device comprises the second receiving system, foundation or updating device.Wherein, the second receiving system is for receiving the notification message from access device, and this notification message comprises the access loop information of mobile terminal and the identification information of this mobile terminal; Foundation or updating device are for setting up or upgrade access loop information mapping table according to the access loop information of described mobile terminal and identification information, and this access loop information mapping table is for positioning mobile terminal.
By utilizing method and apparatus of the present invention, no matter how mobile terminal moves, the webserver especially for example address allocation server of Dynamic Host Configuration Protocol server can both obtain mobile terminal is located to required information, thereby can locate accurately mobile terminal.
Brief description of the drawings
By reading the detailed description of non-limiting example being done referring to accompanying drawing, it is more obvious that other features, objects and advantages of the present invention will become.
Fig. 1 is the network topology structure schematic diagram according to a specific embodiment of the present invention;
Fig. 2 obtains according to a specific embodiment of the present invention access device assisted network server in communication network the system flow chart that mobile terminal is positioned to required information;
Fig. 3 a be according to a specific embodiment of the present invention in tcp/ip communication network when the mobile terminal initial start access device assisted network server obtain a system flow chart that mobile terminal is positioned to required information;
Fig. 3 b be according to a specific embodiment of the present invention in tcp/ip communication network when the mobile terminal initial start access device assisted network server obtain another system flow chart that mobile terminal is positioned to required information;
Fig. 4 be according to a specific embodiment of the present invention in tcp/ip communication network in the time that mobile terminal switches access device assisted network server obtain another system flow chart that mobile terminal is positioned to required information;
Fig. 5 obtains for assisted network server the structured flowchart that mobile terminal is positioned to the assistance device 500 of required information according to a specific embodiment of the present invention in the access device of Access Network;
Fig. 6 be according to a specific embodiment of the present invention in the webserver of communication network for obtaining the structured flowchart that mobile terminal is positioned to the acquisition device 600 of required information;
Wherein, same or analogous Reference numeral represents same or analogous steps characteristic or device (module).
Embodiment
Below in conjunction with accompanying drawing, specific embodiments of the invention are carried out to detailed exemplary description.
Fig. 1 is the network topology structure figure according to a specific embodiment of the present invention.Wherein, mobile terminal 11 is linked in network by WAP (wireless access point) 12 (comprising 12-1,12-2 and 12-3 etc.).WAP (wireless access point) 12 is by digital subscriber line (DSL) modulator or be directly connected with access device 14 (comprise 14-1 with 14-2 etc.).Access device 14 is connected by edge router 15.In operator (NSP) network, comprise aaa server 17, network management system 18, the webserver 10 and address allocation server 19 etc.
In the prior art, Dynamic Host Configuration Protocol server 19 obtains the access loop information of mobile terminal 11 from the dhcp address allocation request message from mobile terminal 11, and utilizes access loop information to position mobile terminal 11.In the present invention, thereby being not limited to obtain access loop information by Dynamic Host Configuration Protocol server 19 locates mobile terminal 11, thereby any one webserver 10 can obtain the access loop information of mobile terminal 11 mobile terminal 11 is positioned, and this webserver can be to be arranged in carrier network, also can be arranged in internet content service provider (ICP) network, determine according to the practical application of location.For example, web advertisement business can utilize the webserver 10 to carry out the transmission of advertisement targetedly to the positioning function of mobile terminal; Operator can utilize the webserver 10 positioning function of mobile terminal to be carried out to transmission of weather forecast targetedly etc.
Fig. 2 shows the system flow chart according to a specific embodiment of the present invention.Below in conjunction with Fig. 1, the access device assisted network server 10 shown in Fig. 2 being obtained to the process that mobile terminal is located to required information is described in detail.
First, in step S201, access device 14-2 receives the network connecting request message from mobile terminal 11, and this network connecting request message comprises the mark of described mobile terminal.As shown in Figure 1, network connecting request message is first sent to WAP (wireless access point) 12-1 by mobile terminal 11, and WAP (wireless access point) 12-1 sends to access device 14-2 by this network connecting request message again, and WAP (wireless access point) 12-1 plays a simple function forwarding.
Then in step S202, access device 14-2, according to the port position that receives network connecting request message, determines the access loop information of mobile terminal 11.
Conventionally, large-scale access device has multiple grooves (Slot), and each groove has multiple ports (Port), and small-sized access device has multiple ports.Access device 14-2 is according to the position of the port of the network connecting request message receiving, just can determine the access loop information of mobile terminal, also this mobile terminal by which port of which access device accesses, or which port access of which groove of this mobile terminal by which access device, also access loop packets of information and draw together the mark of access device 14-2 and access device 14-2 by the line identification of the circuit of mobile terminal 11 access networks.Line identification comprises the port-mark of access device 14-2, has the situation of multiple grooves at access device 14-2, also can further comprise the groove mark of access device 14-2.
Preferably, if a port linchpin of access device 14-2 has multiple WAP (wireless access point), or a WAP (wireless access point) linchpin has multiple Public WLAN, access loop information can further include the mark of the Public WLAN that mobile terminal 11 accesses, also be the mark of wireless network, for example SSID.The mark of Public WLAN can be inserted in the network connecting request message from mobile terminal 11 by WAP (wireless access point) 12-1, or also can oneself be inserted in network connecting request message by mobile terminal 11.
In step S203, access device 14-2 sends a notification message to the webserver 10, and this notification message comprises the access loop information of mobile terminal 11 and the mark of this mobile terminal 11.The mark of mobile terminal 11 comprises any mark that can unique this mobile terminal of identification, for example data-link layer address, network layer address etc.For TCP/IP network, data-link layer address is MAC Address, and network layer address is IP address.
Finally, in step S204, the webserver 10 is set up or upgrades access loop information mapping table according to the access loop information of the mobile terminal 11 comprising in notification message and identification information, and this access loop information mapping table is for positioning mobile terminal.An example of this access loop information mapping table is as shown in the table.
Table 1 accesses loop information mapping table
| Mobile terminal identification 1 | Mobile terminal identification 2 | Access loop information |
| IP address #1 | MAC Address #1 | Access device #1, groove #1, port #1 |
| IP address #2 | MAC Address #2 | Access device #1, groove #3, port #2 |
| IP address #3 | MAC Address #3 | Access device #3, groove #1, port #4 |
| IP address #4 | MAC Address #4 | Access device #2, groove #3, port #5 |
It should be noted that in table 1, there is the mark of two hurdle mobile terminals, in actual use, can only retain the wherein mark of a hurdle mobile terminal, also can adopt as required the mark of two hurdle mobile terminals.
Preferably, in the flow process shown in Fig. 2, after step S201, be that access device 14-2 receives after the network connecting request message from mobile terminal 11, access device 14-2 judges whether to allow this mobile terminal 11 to be linked in network, if allow this mobile terminal 11 to be linked in network, perform step again S202.
Preferably, access device 14-2 judges whether to allow the standard of mobile terminal 11 access networks to have a lot, for example, if some WAP (wireless access point) is only served the user of high priority, also may refuse the access of the mobile terminal of low priority, or network side occurs congested, also may refuse the access of this new mobile terminal, or the number of terminals of this access device or WAP (wireless access point) service is to reach maximum limit, may refuse the access of new mobile terminal, or this mobile terminal do not have the authority of access network yet.
In the wireless access process based on 802.11 agreements, the network connecting request message in above-mentioned flow process at least comprises association request message and reassociation requests message.These two kinds of message correspond respectively to mobile terminal 11 initial starts and move to the situation of the overlay area of another WAP (wireless access point) from the overlay area of a WAP (wireless access point).
In the time of mobile terminal 11 initial start, the mode that the webserver 10 obtains the access loop information of mobile terminal 11 has following two kinds of methods at least.
A kind of is the access loop information of being inserted mobile terminal 11 by access device 14-2 in the address assignment request message from mobile terminal 11 receiving, address allocation server 19 receives after this address assignment request message, therefrom extract the access loop information of mobile terminal 11 and store, then the access loop information of mobile terminal 11 being sent to the webserver 10.This method is applicable to those and obtains the mobile terminal 11 of the network address by network.
Another kind is that access device 14-2 is receiving after the association request message of mobile terminal 11, according to the port position of the association request message receiving, determine the access loop information of this mobile terminal 11, then send a notification message to the webserver 10, in this notification message, comprise the access loop information of mobile terminal 11 and the mark of mobile terminal 11, now, mobile terminal 11 not yet obtains IP address, mobile terminal 11 be designated MAC Address.The mobile terminal 11 that this method is applicable to have the mobile terminal 11 of static network address simultaneously and obtains the network address by network.
The mobile terminal 11 that obtains the network address for those by network, above-mentioned two kinds of modes can be used separately, also can be combined with.
Taking the communication network based on ICP/IP protocol (hereinafter to be referred as " TCP/IP network ") as example, Fig. 3 a and Fig. 3 b show respectively the flow chart of above-mentioned two kinds of modes.For TCP/IP network, Ye JiIP address, the network address; Address allocation server 19 comprises the address allocation server based on DHCP (DHCP).Address assignment request message comprises that the DHCP in dhcp address distributorship agreement finds that (DHCP-DISCOVER) message, DHCP ask (DHCP-REQUEST) message.
First the flow process shown in Fig. 3 a is elaborated below in conjunction with Fig. 1.
First,, in step S301, mobile terminal 11 is carried out scanning (Scanning) process with WAP (wireless access point) 12-1 by Beacon/probe signaling.
Then,, in step S302, between the explorer (for simplicity, not shown in Fig. 1 and Fig. 3) in mobile terminal 11 and access device 14-2 and carrier network, carry out network and service discovery process.
In step S303, mobile terminal 11 is carried out verification process (the Open System Authentication in 802.11 certifications) via WAP (wireless access point) 12-1 and access device 14-2.
After authentication success, in step S304, mobile terminal 11 is carried out association process with access device 14-2.Mobile terminal 11 sends association request message to access device 14-2, and access device 14-2 receives after this association request message, sends associate response message to mobile terminal 11.
Then,, in step S305, mobile terminal 11 is carried out 802.1x EAP certification and key exchange process with the aaa server in access device 14-2 and NSP network.
Finally, in step S306, mobile terminal 11 obtains various configuration parameters from the Dynamic Host Configuration Protocol server 19 of NSP network, comprises IP address etc.Particularly, access device 14-2 is according to the port position of the dhcp address allocation request message from mobile terminal 11 receiving, determine the access loop information of this mobile terminal 11, and in the dhcp address allocation request message from mobile terminal 11 receiving, insert the access loop information of mobile terminal 11.
In step S308, Dynamic Host Configuration Protocol server 19 receives after the dhcp address allocation request message from mobile terminal 11, therefrom extracts the access loop information of this mobile terminal 11, and sends to the webserver 10.
Then, in step S309, the webserver 10 has obtained after the access loop information of mobile terminal 11, sets up or upgrades access loop information mapping table, mobile terminal is positioned according to this access loop information mapping table.
Above the flow process shown in Fig. 3 a is had been described in detail, below the flow process shown in Fig. 3 b is elaborated.
In Fig. 3 b, step S301 to S305 is identical with the step in Fig. 3 a, does not repeat them here.
Between access device 14-2 and mobile terminal 11, successfully complete after 802.1xEAP certification and cipher key change, in step S307, access device 14-2 is according to the port position of the message such as the association request message from mobile terminal 11 receiving, determine the access loop information of this mobile terminal 11, and send a notification message to the webserver 10, in this notification message, comprise the access loop information of mobile terminal 11 and the mark of mobile terminal 11, need Dynamic Host Configuration Protocol server to carry out the mobile terminal 11 of distributing IP address for those, now not yet obtain IP address, be designated MAC Address.The mobile terminal 11 that has static ip address for those, mark can be IP address, can be also MAC Address.
Equally, the webserver 10 receives after notification message, in step S309, set up or upgrade access loop information mapping table according to the access loop information of the mobile terminal 11 in this notification message, mobile terminal is positioned according to this access loop information mapping table.
It should be noted that, wherein, step S301 to S306 shown in Fig. 3 a and Fig. 3 b, in all comprise the reciprocal process of one or many, step S301 to S305 is prior art, the detailed process of step S301 to S305 can list of references: the 44th page of the 7th page of CAPWAP Protocol Binding for IEEE 802.11 and 802.11-2007 agreement, in step S306 about the reciprocal process of dhcp message, can be with reference to DHCP agreement (RFC2131 etc.), the present invention does not repeat them here.
Another it should be noted that, the flow chart shown in Fig. 3 b is only a schematic diagram, must not form the wherein restriction of the sequencing of each step.In actual use, can adjust as required.Wherein, between step S307, S309 and step S304 and S305, there is no inevitable precedence relationship, the execution of step S307, S309 and step S304 and S305 in no particular order, both can be carried out simultaneously, also the first two step S303 and S304 be can first carry out, S307 and S309 also can be first performed step.
For example, in Fig. 3 b, step S304 comprises two sub-steps S3041 and S3042 (for simplicity, not shown in Fig. 3 a and Fig. 3 b): S3041: mobile terminal 11 sends association request message to access device 14-2, S3042: access device 14-2 sends associate response message to mobile terminal 11.
Now, the execution of step S307 and step S3042 also in no particular order, both can perform step S307 and step S3042 simultaneously; Also can first perform step S307, and then execution step S3042; Also can first perform step S3042, and then execution step S307.
In the time that mobile terminal 11 moves to the overlay area of another WAP (wireless access point) from the overlay area of a WAP (wireless access point), for example, when the coverage of WAP (wireless access point) 12-1 from Fig. 1 moves to the coverage of WAP (wireless access point) 12-3, there is change in the access loop information of mobile terminal 11, in the webserver 10, the access loop informational needs of the mobile terminal 11 of storage upgrades.Now, mobile terminal 11 can start fast handover procedures according to 802.11r agreement,
Access device 14-2 is after the reassociation requests message receiving from mobile terminal 11, according to the port that receives reassociation requests message, determine the access loop information of mobile terminal 11, then send a notification message to the webserver 10, this notification message comprises the access loop information of mobile terminal 11 and the mark of mobile terminal 11.Because mobile terminal 11 is in the process of switching, IP address is constant, and therefore, the mark of mobile terminal 11 can be the IP address of mobile terminal 11, can be also the MAC Address of mobile terminal 11.
If in the time of mobile terminal 11 initial start, the MAC Address that is designated mobile terminal 11 of the mobile terminal 11 comprising in the notification message that access device 14-2 sends, in the time that mobile terminal 11 switches fast, the mark of the mobile terminal 11 comprising in the notification message that access device 14-1 sends can, for the MAC Address of mobile terminal 11, also can comprise MAC Address and IP address simultaneously.If in the time of mobile terminal 11 initial start, the IP address that is designated mobile terminal 11 of the mobile terminal 11 comprising in the notification message that access device 14-2 sends, in the time that mobile terminal 11 switches fast, the mark of the mobile terminal 11 comprising in the notification message that access device 14-1 sends is also the IP address of mobile terminal 11, or IP address and the MAC Address of mobile terminal 11.If in the time of mobile terminal 11 initial start, the MAC Address that is designated mobile terminal 11 and the IP address of the mobile terminal 11 comprising in the notification message that access device 14-2 sends, the mark of the mobile terminal 11 comprising in the notification message that access device 14-1 sends can be IP address or MAC Address or IP address and the MAC Address of mobile terminal 11.
According to the quick switching flow figure based on basic mode specifying in 802.11r agreement, flow chart when Fig. 4 shows mobile terminal 11 and switches fast.
First,, in step S401, between mobile terminal 11 and WAP (wireless access point) 12-1, carry out successfully session and the data communication of (safety).
In step S402, mobile terminal 11 judgements must disconnect with WAP (wireless access point) 12-1, and 12-3 sets up session with WAP (wireless access point).The overlay area that for example moves to WAP (wireless access point) 12-3 from the overlay area of WAP (wireless access point) 12-1 due to mobile terminal 11 causes mobile terminal 11 to be switched to the access network by WAP (wireless access point) 12-3 by WAP (wireless access point) 12-1 access network, and mobile terminal 11 is set up session by step judgements such as scanning and network and service discoveries with WAP (wireless access point) 12-3.
In step S403, mobile terminal 11 sends re-authentication request message to WAP (wireless access point) 12-3, because access control function is realized by access device 14-1, the re-authentication request message from mobile terminal 11 is forwarded to access device 14-1 by WAP (wireless access point) 12-3.Access device 14-1 sends re-authentication response message to mobile terminal 11 after receiving re-authentication request message.
In step S404, mobile terminal 11 sends reassociation requests message to WAP (wireless access point) 12-3.Equally, because access control function is realized by access device 14-1, the re-authentication request message from mobile terminal 11 is forwarded to access device 14-1 by WAP (wireless access point) 12-3.Access device 14-1 sends reassociation response message to mobile terminal 11 after receiving reassociation requests message.
In step S405, access device 14-1 is according to the reassociation requests message from mobile terminal 11 receiving, determine the access loop information of this mobile terminal 11, and send a notification message to the webserver 10, in this notification message, comprise the access loop information of mobile terminal 11 and the mark of mobile terminal 11, now, mobile terminal 11 has obtained IP address, the mark of mobile terminal 11 can be MAC Address, can be also IP address.
The webserver 10 receives after notification message, in step S406, set up or upgrade access loop information mapping table according to the access loop information of the mobile terminal 11 in this notification message, mobile terminal is positioned according to this access loop information mapping table.
Finally, in step S407, the 802.1x port between mobile terminal 11 and WAP (wireless access point) 12-3 is opened, and mobile terminal 11 and WAP (wireless access point) 12-3 directly carry out successfully session and the transfer of data of (safety).
It should be noted that, wherein, in step S401 to S404 shown in Fig. 4 and step S407, all comprise the reciprocal process of one or many, step S401 to S404 and step S407 are prior art, in detail can be with reference to the 7th page of IEEE802.11r, IEEE802.11-2007 agreement and document CAPWAP Protocol Binding for IEEE 802.11 etc., the present invention does not repeat them here.
Another it should be noted that, the flow chart shown in Fig. 4 is only a schematic diagram, must not form the wherein restriction of the sequencing of each step.In actual use, can adjust as required.Wherein, step S405, S406 and step S407, their execution in no particular order, both can be carried out simultaneously, also can first carry out the first two step S405 and S406, also can first perform step S407.
Wherein, step S404 comprises two sub-steps S4041 and S4042 (for simplicity, not shown in Fig. 4): S4041: mobile terminal 11 sends association request message to access device 14-1, S4042: access device 14-1 sends associate response message to mobile terminal 11.
Now, the execution of step S405 and step S4042 also in no particular order, both can perform step S405 and step S4042 simultaneously; Also can first perform step S405, and then execution step S4042; Also can first perform step S4042, and then execution step S405.
It should be noted that, the webserver 10 can be also same physical equipment with Dynamic Host Configuration Protocol server 19, and also, in the flow process shown in Fig. 3 a, Fig. 3 b and Fig. 4, the webserver 10 is Dynamic Host Configuration Protocol server.In Fig. 4, if the webserver 10 is Dynamic Host Configuration Protocol server 19, to send to the form of the notification message of Dynamic Host Configuration Protocol server 19 can be the form of DHCP INFORM message to access device 14-1, when Dynamic Host Configuration Protocol server 19 is received after this DHCP INFORM message, therefrom extract the access loop information of mobile terminal 11, and send DHCP ACK message to access device 14-1, access device 14-1 receives after this DHCP ACK message, directly abandon, no longer continue to be transmitted to mobile terminal 11.
Above systems approach flow process of the present invention be have been described in detail, below in conjunction with Fig. 5 and Fig. 6, the course of work of device of the present invention is described in detail.
Fig. 5 shows and in the access device of Access Network, obtains for assisted network server the structured flowchart that mobile terminal is positioned to the assistance device 500 of required information according to a specific embodiment of the present invention.Wherein, this assistance device 500 comprises first receiving device 501, determining device 502 and the first dispensing device 503, judgment means 504 and insertion apparatus 505.Those skilled in the art, according to the instruction of this specification, will be understood that wherein only first receiving device 501, the first determining device 502 and determining device 503 are to implement the necessary device of the present invention, and other device is option means.
Below in conjunction with Fig. 1, obtain the process that mobile terminal 11 is positioned to information needed and be elaborated being arranged in the assistance device 500 assisted network servers 10 of access device 14-1 or 14-2.
First, first receiving device 501 receives the network connecting request message from mobile terminal 11, and this network connecting request message comprises the mark of mobile terminal 11.The mark of mobile terminal 11 comprises any mark that can unique this mobile terminal of identification, for example data-link layer address, network layer address etc.For TCP/IP network, data-link layer address is MAC Address, and network layer address is IP address.
Then, the port position of the network connecting request message that determining device 502 receives according to access device 14-1 or 14-2, determines the access loop information of mobile terminal 11.
Conventionally, large-scale access device has multiple grooves (Slot), and each groove has multiple ports (Port), and small-sized access device has multiple ports.Taking access device 14-2 as example, access device 14-2 is according to the position of the port of the network connecting request message receiving, just can determine the access loop information of mobile terminal, also this mobile terminal by which port of which access device accesses, or which port access of which groove of this mobile terminal by which access device, also access loop packets of information and draw together the mark of access device 14-2 and access device 14-2 by the line identification of the circuit of mobile terminal 11 access networks.Line identification comprises the port-mark of access device 14-2, has the situation of multiple grooves at access device 14-2, also can further comprise the groove mark of access device 14-2.
Preferably, if a port linchpin of access device 14-2 has multiple WAP (wireless access point), or a WAP (wireless access point) linchpin has multiple Public WLAN, access loop information can further include the mark of the Public WLAN that mobile terminal 11 accesses, also be the mark of wireless network, for example SSID.The mark of Public WLAN can be inserted in the network connecting request message from mobile terminal 11 by WAP (wireless access point) 12-1, or also can oneself be inserted in network connecting request message by mobile terminal 11.
Finally, the first dispensing device 503 sends a notification message to the webserver 10, and this notification message comprises the access loop information of mobile terminal 11 and the mark of this mobile terminal 11.
Taking receiving equipment 14-2 as example, preferably, receiving at first receiving device 501 is that access device 14-2 receives after the network connecting request message from mobile terminal 11, judgment means 504 judges whether to allow this mobile terminal 11 to be linked in network, if allow this mobile terminal 11 to be linked in network, carry out respectively and determine and implementation by determining device 502 and the first dispensing device 503 again.Or the execution of the determining step of judgment means 504 also can realize before carrying out forwarding step by the first dispensing device 503 after the execution determining step of determining device 502.
Preferably, judgment means 504 judges whether to allow the standard of mobile terminal 11 access networks to have a lot, for example, if some WAP (wireless access point) is only served the user of high priority, also may refuse the access of the mobile terminal of low priority, or network side occurs congested, also may refuse the access of this new mobile terminal, or the number of terminals of this access device or WAP (wireless access point) service is to reach maximum limit, may refuse the access of new mobile terminal, or this mobile terminal do not have the authority of access network yet.
In the wireless access process based on 802.11 agreements, above-mentioned network connecting request message at least comprises association request message and reassociation requests message.These two kinds of message correspond respectively to mobile terminal 11 initial starts and move to the situation of the overlay area of another WAP (wireless access point) from the overlay area of a WAP (wireless access point).
In the time of mobile terminal 11 initial start, the mode that assistance device 500 assisted network servers 10 obtain the access loop information of mobile terminal 11 at least comprises following two kinds of modes.
The first is as follows: first receive the address assignment request message from mobile terminal 11 by first receiving device 501; Insertion apparatus 505 inserts the access loop information of mobile terminal 11 in the address assignment request message from mobile terminal 11 receiving, and then by the first dispensing device 503, the address assignment request message of this insertion access loop information is sent to address allocation server 19.Address allocation server 19 receives after this address assignment request message, therefrom extracts the access loop information of mobile terminal 11 and stores, and then the access loop information of mobile terminal 11 is sent to the webserver 10.
Preferably, for TCP/IP network, address allocation server 19 comprises dhcp address distribution server.Address assignment request message comprises that the DHCP in dhcp address distributorship agreement finds that (DHCP-DISCOVER) message, DHCP ask (DHCP-REQUEST) message.
The second is as follows: receiving at first receiving device 501 after the association request message or reassociation requests message of mobile terminal 11, according to the port position of the association request message receiving or reassociation requests message, determining device 502 is determined the access loop information of this mobile terminal 11, then the first dispensing device 503 sends a notification message to the webserver 10, in this notification message, comprise the access loop information of mobile terminal 11 and the mark of mobile terminal 11, now, mobile terminal 11 not yet obtains IP address, mobile terminal 11 be designated MAC Address.
Above-mentioned two kinds of modes can be used separately, also can be combined with.
Fig. 6 show according to a specific embodiment of the present invention in the webserver of communication network for obtaining the structured flowchart that mobile terminal is positioned to the acquisition device 600 of required information.Wherein, this acquisition device 600 comprises the second receiving system 601, foundation or updating device 602 and extraction element 603.Those skilled in the art, according to the instruction of this specification, will be understood that wherein only the second receiving system 601 and foundation or updating device 602 are to implement the necessary device of the present invention, and extraction element 603 is option means.
Below in conjunction with Fig. 1, the acquisition device 600 in the webserver 10 obtains the process that mobile terminal 11 is positioned to information needed and is elaborated.
First, the second receiving system 601 receives the notification message from access device 14-1 or 14-2, and this notification message comprises the access loop information of mobile terminal 11 and the identification information of this mobile terminal 11.Then, foundation or updating device 602 are set up or upgrade access loop information mapping table according to the access loop information of mobile terminal 11 and identification information, and this access loop information mapping table is for positioning mobile terminal.
The mark of mobile terminal 11 comprises any mark that can unique this mobile terminal of identification, for example data-link layer address, network layer address etc.For TCP/IP network, data-link layer address is MAC Address, and network layer address is IP address.
In the mark that access loop packets of information is drawn together access device 14-1 or 14-2 and access device 14-1 or 14-2, by the line identification of the circuit of mobile terminal 11 access networks, or access loop packets of information is drawn together in the mark of access device 14-1 or 14-2 and access device 14-1 or 14-2 the mark of the line identification of the circuit of connection of mobile terminal into network and mobile terminal 11 being asked to the wireless network accessing.An example of access loop information mapping table is as shown in table 1.
Preferably, if the webserver 10 is address allocation server, 19, the second receiving systems 601 also receive the address assignment request message from mobile terminal 11, comprise identification information and the access loop information of mobile terminal 11 in this address assignment request message.Then, extraction element 603 extracts identification information and the access loop information of mobile terminal 11 from address assignment request message.The access loop information of the mobile terminal 11 that foundation or updating device 602 extract according to extraction element 603 and identification information are set up or are upgraded and access loop information mapping table.
Preferably, for TCP/IP network, address allocation server 19 comprises dhcp address distribution server.Address assignment request message comprises that the DHCP in dhcp address distributorship agreement finds that (DHCP-DISCOVER) message, DHCP ask (DHCP-REQUEST) message, and access device 14 sends to the notification message of the webserver 10 to comprise DHCP INFORM message.
Above specific embodiments of the invention are described.It will be appreciated that, the present invention is not limited to above-mentioned specific implementations, and those skilled in the art can make various distortion or amendment within the scope of the appended claims.Technical scheme of the present invention all can realize with software or hardware.
Claims (30)
1. in the access device of Access Network, obtain a method of mobile terminal being located to required information for assisted network server, it is characterized in that, comprise the following steps:
A. receive the network connecting request message from mobile terminal, described network connecting request message comprises the mark of described mobile terminal, the described network connecting request message association request message of attaching most importance to, this reassociation requests message switches to the access network of this access device corresponding to this mobile terminal;
B. receive the port position of described network connecting request message according to this access device, determine the access loop information of described mobile terminal, this access loop information is for positioning this mobile terminal;
C. create and send a notification message to the webserver, this notification message comprises the access loop information of described mobile terminal and the mark of this mobile terminal.
2. method according to claim 1, is characterized in that, further comprising the steps of before described step c:
-judge whether to allow described connection of mobile terminal into network;
Described step c is further comprising the steps of:
-as allow as described in connection of mobile terminal into network, according to described network connecting request message, send described notification message to the described webserver, this notification message comprises the access loop information of described mobile terminal and the mark of described mobile terminal.
3. method according to claim 1 and 2, is characterized in that, the described webserver comprises address allocation server, and described method is further comprising the steps of:
-reception is from the address assignment request message of mobile terminal;
-in described address assignment request message, insert the access loop information of this mobile terminal, comprise to obtain the address assignment request message that accesses loop information;
-the described address assignment request message that accesses loop information that comprises is sent to described address allocation server.
4. method according to claim 1 and 2, is characterized in that, described reassociation requests message is based on 802.11r agreement.
5. method according to claim 1 and 2, is characterized in that, described access loop packets of information is drawn together in this access device mark and this access device the line identification of the circuit of described connection of mobile terminal into network.
6. method according to claim 5, it is characterized in that, in described network connecting request message, also comprise the mark of the wireless network of described mobile terminal request access, in described access loop information, also comprise the mark of the wireless network of described mobile terminal request access.
7. method according to claim 1 and 2, wherein, the mark of described mobile terminal comprises network layer address or the data-link layer address of described mobile terminal.
8. method according to claim 1 and 2, is characterized in that, the described webserver comprises address allocation server.
9. method according to claim 8, is characterized in that, described address allocation server comprises the address allocation server based on DHCP, and described notification message comprises the notification message in DHCP.
One kind in the webserver of communication network for obtaining the method that mobile terminal is positioned to required information, this mobile terminal sends reassociation requests message to access device, this reassociation requests message switches to the access network of this access device corresponding to this mobile terminal, it is characterized in that, comprise the following steps:
-receiving the notification message sending in response to this reassociation requests message from this access device, this notification message comprises the access loop information of mobile terminal and the identification information of this mobile terminal;
-upgrading access loop information mapping table according to the access loop information of described mobile terminal and identification information, this access loop information mapping table is for positioning mobile terminal.
11. methods according to claim 10, is characterized in that, the described webserver comprises address allocation server, and described method is further comprising the steps of:
-receive the address assignment request message from described mobile terminal, in this address assignment request message, comprise identification information and the access loop information of described mobile terminal;
-from described address assignment request message, extract the identification information of described mobile terminal and access loop information;
-upgrade described access loop information mapping table according to the access loop information of the mobile terminal of described extraction and identification information.
12. according to the method described in claim 10 or 11, it is characterized in that, described access loop packets of information is drawn together in this access device mark and this access device the line identification of the circuit of described connection of mobile terminal into network, or described access loop packets of information is drawn together in this access device mark and this access device the mark of the wireless network of the line identification of the circuit of described connection of mobile terminal into network and the access of described mobile terminal request.
13. according to the method described in claim 10 or 11, it is characterized in that, the mark of described mobile terminal comprises network layer address or the data-link layer address of described mobile terminal.
14. methods according to claim 10, is characterized in that, the described webserver comprises address allocation server.
15. methods according to claim 14, is characterized in that, described address allocation server comprises the address allocation server based on DHCP, and described notification message comprises the notification message in DHCP.
16. 1 kinds are obtained for assisted network server the assistance device that mobile terminal is positioned to required information in the access device of Access Network, it is characterized in that, comprising:
First receiving device, for receiving the network connecting request message from mobile terminal, described network connecting request message comprises the mark of described mobile terminal, described network connecting request message is reassociation requests message, and this reassociation requests message switches to the access network of this access device corresponding to this mobile terminal;
Determining device, for receive the port position of described network connecting request message according to this access device, determines the access loop information of described mobile terminal, and this access loop information is for positioning this mobile terminal;
The first dispensing device, for creating and sending a notification message to the webserver, this notification message comprises the access loop information of described mobile terminal and the mark of this mobile terminal.
17. assistance devices according to claim 16, is characterized in that, also comprise:
Judgment means, for judging whether to allow described connection of mobile terminal into network;
As described in judgment means judgement allow as described in connection of mobile terminal into network, described the first dispensing device also for:
-sending described notification message to the described webserver, this notification message comprises the access loop information of described mobile terminal and the mark of described mobile terminal.
18. according to the assistance device described in claim 16 or 17, it is characterized in that, the described webserver comprises address allocation server, described first receiving device also for:
-reception is from the address assignment request message of mobile terminal;
Wherein, described assistance device also comprises:
Insertion apparatus, for insert the access loop information of this mobile terminal in described address assignment request message, comprises to obtain the address assignment request message that accesses loop information;
Described the first dispensing device also for:
-the described address assignment request message that accesses loop information that comprises is sent to described address allocation server.
19. according to the assistance device described in claim 16 or 17, it is characterized in that, described reassociation requests message is based on 802.11r agreement.
20. according to the assistance device described in claim 16 or 17, it is characterized in that, described access loop packets of information is drawn together in this access device mark and this access device the line identification of the circuit of described connection of mobile terminal into network.
21. assistance devices according to claim 20, it is characterized in that, in described network connecting request message, also comprise the mark of the wireless network of described mobile terminal request access, in described access loop information, also comprise the mark of the wireless network of described mobile terminal request access.
22. according to the assistance device described in claim 16 or 17, it is characterized in that, the mark of described mobile terminal comprises network layer address or the data-link layer address of described mobile terminal.
23. according to the assistance device described in claim 16 or 17, it is characterized in that, the described webserver comprises address allocation server.
24. assistance devices according to claim 23, is characterized in that, described address allocation server comprises the address allocation server based on DHCP, and described notification message comprises the notification message in DHCP.
25. 1 kinds in the webserver of communication network for obtaining the acquisition device that mobile terminal is positioned to required information, this mobile terminal sends reassociation requests message to access device, this reassociation requests message switches to the access network of this access device corresponding to this mobile terminal, it is characterized in that, comprising:
The second receiving system, for receiving the notification message sending in response to this reassociation requests message from this access device, this notification message comprises the access loop information of mobile terminal and the identification information of this mobile terminal;
Updating device, for upgrading access loop information mapping table according to the access loop information of described mobile terminal and identification information, this access loop information mapping table is for positioning mobile terminal.
26. acquisition device according to claim 25, is characterized in that, the described webserver comprises address allocation server, described the second receiving system also for:
-receive the address assignment request message from described mobile terminal, in this address assignment request message, comprise identification information and the access loop information of described mobile terminal;
Wherein, described acquisition device also comprises:
Extraction element, for extracting identification information and the access loop information of described mobile terminal from described address assignment request message;
Described updating device also for:
-upgrade described access loop information mapping table according to the access loop information of the mobile terminal of described extraction and identification information.
27. according to the acquisition device described in claim 25 or 26, it is characterized in that, described access loop packets of information is drawn together in access device mark and access device the line identification of the circuit of described connection of mobile terminal into network, or described access loop packets of information is drawn together in access device mark and access device the mark of the wireless network of the line identification of the circuit of described connection of mobile terminal into network and the access of described mobile terminal request.
28. according to the acquisition device described in claim 25 or 26, it is characterized in that the mark of described mobile terminal comprises network layer address or the data-link layer address of described mobile terminal.
29. acquisition device according to claim 25, is characterized in that, the described webserver comprises address allocation server.
30. acquisition device according to claim 29, is characterized in that, described address allocation server comprises the address allocation server based on DHCP, and described notification message comprises the notification message in DHCP.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2009/000030 WO2010078696A1 (en) | 2009-01-09 | 2009-01-09 | Method, equipment for acquiring information needed to locate mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102160400A CN102160400A (en) | 2011-08-17 |
| CN102160400B true CN102160400B (en) | 2014-06-04 |
Family
ID=42316195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200980136355.0A Active CN102160400B (en) | 2009-01-09 | 2009-01-09 | Method, equipment for acquiring information needed to locate mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102160400B (en) |
| WO (1) | WO2010078696A1 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1859409A (en) * | 2006-03-17 | 2006-11-08 | 华为技术有限公司 | Method and system for improving network dynamic host configuration DHCP safety |
| CN101263506A (en) * | 2004-05-13 | 2008-09-10 | 思科技术公司 | Locating, provisioning and identifying devices in a network |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7586912B2 (en) * | 2006-07-28 | 2009-09-08 | Cisco Technology, Inc. | Techniques for exchanging DHCP information among DHCP relay agents and DHCP servers |
-
2009
- 2009-01-09 WO PCT/CN2009/000030 patent/WO2010078696A1/en active Application Filing
- 2009-01-09 CN CN200980136355.0A patent/CN102160400B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101263506A (en) * | 2004-05-13 | 2008-09-10 | 思科技术公司 | Locating, provisioning and identifying devices in a network |
| CN1859409A (en) * | 2006-03-17 | 2006-11-08 | 华为技术有限公司 | Method and system for improving network dynamic host configuration DHCP safety |
Non-Patent Citations (2)
| Title |
|---|
| 基于Option82技术的DHCP在大型网络中的实现;肖阳等;《中南林业科技大学学报》;20081030;第28卷(第5期);140-142 * |
| 肖阳等.基于Option82技术的DHCP在大型网络中的实现.《中南林业科技大学学报》.2008,第28卷(第5期),140-142. |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102160400A (en) | 2011-08-17 |
| WO2010078696A1 (en) | 2010-07-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102088388B (en) | Method and equipment for automatically distributing/acquiring virtual local area network configuration information | |
| CN102006646B (en) | Switching method and equipment | |
| US8213934B2 (en) | Automatic selection of a home agent | |
| CN102075904B (en) | Method and device for preventing re-authentication of roaming user | |
| CN102572689B (en) | Mobile terminal location system and method | |
| CN101951551A (en) | Network having wireless local area network and method for accessing terminal to wireless local area network | |
| CN101827380B (en) | Wireless hotspot recognition system and method | |
| JP2012529202A (en) | Method and apparatus for self-organizing network transmission self-configuration | |
| CN100452921C (en) | Method and corresponding device for realizing network service providing trader's discover | |
| CN101741888A (en) | Method, system and device for pushing certification page | |
| KR20120056460A (en) | System and method for authentication in wireless lan | |
| CN101785343A (en) | Fast transitioning resource negotiation | |
| CN102892170A (en) | Method and system for terminal to acquire core network internet protocol (IP) address | |
| CN101959177A (en) | Processing method and device for switching to WiFi network from non-WiFi network | |
| CN102143559A (en) | Method for realizing connection of plurality of grouped data networks, access gateway and system | |
| CN101568069B (en) | Method and device for providing multicast service for external mobile terminal | |
| CN103384365A (en) | Method and system for network access, method for processing business and equipment | |
| CN102611712A (en) | Digital home network access and authentication method | |
| CN101160786B (en) | Method, system and apparatus for relating the information associated with user in NASS | |
| KR20140113228A (en) | Method for wireless link setup of mobile station utilizing multiple channels | |
| CN107211262A (en) | Wireless LAN station with the platform that can change WLAN interconnection technique | |
| CN102160400B (en) | Method, equipment for acquiring information needed to locate mobile terminal | |
| CN101179861A (en) | Method and device for position detection | |
| CN102685667A (en) | Method, device and system for transmitting and acquiring position information of access user | |
| KR101434750B1 (en) | Geography-based pre-authentication for wlan data offloading in umts-wlan networks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201206 Pudong Jinqiao Ning Road, Shanghai, No. 388 Patentee after: Shanghai NOKIA Baer Limited by Share Ltd Address before: 201206 Pudong Jinqiao Ning Road, Shanghai, No. 388 Patentee before: Shanghai Alcatel-Lucent Co., Ltd. |