CN103535082A - Detection method of a wireless LAN, the access network and the core network device, the access point - Google Patents

Detection method of a wireless LAN, the access network and the core network device, the access point Download PDF

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Publication number
CN103535082A
CN103535082A CN201280004472.3A CN201280004472A CN103535082A CN 103535082 A CN103535082 A CN 103535082A CN 201280004472 A CN201280004472 A CN 201280004472A CN 103535082 A CN103535082 A CN 103535082A
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wlan
message
equipment
coverage territory
virtual subdistrict
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CN103535082B (en
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黄晓明
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

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Abstract

The invention provides provide detection method of the present invention, the access network apparatus, the core network devices and access points. The method comprising: measuring the received message from the UE neighbor; if the message carries a virtual neighbor cell measurement information, the core network device to send a notification message, the notification message for indicating the UE to enter the WLAN coverage area, to the UE by the core network device Notify UE enters WLAN coverage area, which is a virtual cell WLAN access points generated virtual cell coverage area with the same WLAN coverage area. Case of the embodiment of the present invention for measuring AP message carrying the information generated by the virtual cell in the neighbor access network of the UE device, the device notifies the UE to the core network into the WLAN coverage area, to notify the UE by the core network device enters WLAN coverage area, no client software found by UE WLAN coverage area, thereby enhancing the perception of a WLAN UE.

Description

Detect method, Access Network and equipment of the core network, the access point of WLAN (wireless local area network)
Technical field
The present invention relates to the communications field, and particularly, relate to the method, access network equipment, equipment of the core network and the access point that detect WLAN (wireless local area network) (Wireless Local-Area Networks, WLAN).
Background technology
Because cellular network data traffic growth is swift and violent, cause the cellular network of operator to face larger flow pressure, for example global system for mobile communications (Global System of Mobile communication, GSM), owing to being limited to spectrum efficiency, can't bear the heavy load especially.In order to alleviate the flow pressure of cellular network, operator builds WLAN one after another energetically.WLAN is that focus is disposed, in order to find the access point (Access Point, AP) of WLAN, conventionally need to be in subscriber equipment (User Equipment, UE) preset client software, by client software, search for AP.But user's permeability of current preset client software is lower, and part UE cannot install client software, causes UE to be difficult to find WLAN, causes WLAN not good to the shunting effect of cellular network.
Summary of the invention
The embodiment of the present invention provides method, access network equipment, equipment of the core network and the access point that detects WLAN (wireless local area network), can promote the perception of UE to WLAN.
First aspect, provides the method for WLAN of detection a kind of, comprising: from user equipment (UE), receive nearby region measurement message; If described nearby region measurement message is carried the information of virtual subdistrict, to equipment of the core network, send a notification message, described notification message is used to indicate described UE and enters WLAN coverage territory, to notify described UE to enter described WLAN coverage territory by described equipment of the core network to described UE, wherein said virtual subdistrict is to be produced by the access point of described WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory.
In conjunction with first aspect, in the possible implementation of the first, describedly to equipment of the core network, send a notification message, comprise: to described equipment of the core network, send Internet protocol IP datagram literary composition, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
In conjunction with first aspect, in the possible implementation of the second, describedly to equipment of the core network, send a notification message, comprise: to described equipment of the core network, send base station sub-system GPRS agreement BSSGP message, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
The possible implementation of the second in conjunction with the possible implementation of the first of first aspect or first aspect or first aspect, in the third possible implementation, described from UE, receive nearby region measurement message before, also comprise: to described UE transmitting system message, described system message is used to indicate described UE and reports described nearby region measurement message.
The third possible implementation in conjunction with the possible implementation of the second of the possible implementation of the first of first aspect or first aspect or first aspect or first aspect, in the 4th kind of possible implementation, also comprise: if described nearby region measurement message is not carried the information of described virtual subdistrict, to described equipment of the core network, send a notification message, described notification message is used to indicate described UE and does not enter WLAN coverage territory.
In conjunction with the third possible implementation of the possible implementation of the second of the possible implementation of the first of first aspect or first aspect or first aspect or first aspect or the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, described, before UE reception nearby region measurement message, also comprise: described virtual subdistrict is configured to adjacent area.
Second aspect, the method of WLAN of detection a kind of is provided, comprise: from access network equipment receiving notice message, described notification message is that described access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of user equipment (UE) reception, described notification message is used to indicate described UE and enters WLAN (wireless local area network) WLAN coverage territory, described virtual subdistrict is to be produced by the access point of WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory; To described UE, notify described UE to enter WLAN coverage territory.
In conjunction with second aspect, in the possible implementation of the first, described from access network equipment receiving notice message, comprise: from described access network equipment, receive Internet protocol IP datagram literary composition, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
In conjunction with second aspect, in the possible implementation of the second, described from access network equipment receiving notice message, comprise: from described access network equipment, receive base station sub-system GPRS agreement BSSGP message, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
The third aspect, provides a kind of access network equipment, comprising: receiving element, for receiving nearby region measurement message from user equipment (UE); Transmitting element, if carry the information of virtual subdistrict for described nearby region measurement message, to equipment of the core network, send a notification message, described notification message is used to indicate described UE and enters WLAN coverage territory, to notify described UE to enter described WLAN coverage territory by described equipment of the core network to described UE, wherein said virtual subdistrict is to be produced by the access point of described WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory.
In conjunction with the third aspect, in the possible implementation of the first, described transmitting element is specifically for sending Internet protocol IP datagram literary composition to described equipment of the core network, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
In conjunction with the third aspect, in the possible implementation of the second, described transmitting element is specifically for sending base station sub-system GPRS agreement BSSGP message to described equipment of the core network, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
The possible implementation of the second in conjunction with the possible implementation of the first of the third aspect or the third aspect or the third aspect, in the third possible implementation, described transmitting element also for described from UE, receive nearby region measurement message before, to described UE transmitting system message, described system message is used to indicate described UE and reports described nearby region measurement message.
The third possible implementation in conjunction with the possible implementation of the second of the possible implementation of the first of the third aspect or the third aspect or the third aspect or the third aspect, in the 4th kind of possible implementation, if described transmitting element does not also carry the information of described virtual subdistrict for described nearby region measurement message, to described equipment of the core network, send a notification message, described notification message is used to indicate described UE and does not enter WLAN coverage territory.
In conjunction with the third possible implementation of the possible implementation of the second of the possible implementation of the first of the third aspect or the third aspect or the third aspect or the third aspect or the 4th kind of possible implementation of the third aspect, in the 5th kind of possible implementation, also comprise: dispensing unit, for before described receiving element receives described nearby region measurement message from described UE, described virtual subdistrict is configured to adjacent area.
Fourth aspect, a kind of equipment of the core network is provided, comprise: receiving element, be used for from access network equipment receiving notice message, described notification message is that described access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of user equipment (UE) reception, described notification message is used to indicate described UE and enters WLAN (wireless local area network) WLAN coverage territory, and described virtual subdistrict is to be produced by the access point of WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory; Notification unit, for notifying described UE to enter WLAN coverage territory to described UE.
In conjunction with fourth aspect, in the possible implementation of the first, described receiving element is specifically for receiving Internet protocol IP datagram literary composition from described access network equipment, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
In conjunction with fourth aspect, in the possible implementation of the second, described receiving element is specifically for receiving base station sub-system GPRS agreement BSSGP message from described access network equipment, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
The 5th aspect, provides a kind of AP, comprising: WLAN (wireless local area network) WLAN module, for launching WLAN signal, to form WLAN coverage territory; Cellular network module, for launching cellular network signals, to produce virtual subdistrict, the overlay area of wherein said virtual subdistrict is identical with described WLAN coverage territory.
In conjunction with the 5th aspect, in the possible implementation of the first, also comprise: processing module, for adjusting the transmitting power of described cellular network module, so that the overlay area of described virtual subdistrict is identical with described WLAN coverage territory.
In the embodiment of the present invention, by receiving nearby region measurement message from UE, and in the situation that nearby region measurement message is carried the information of the virtual subdistrict of AP generation, to equipment of the core network notice, UE enters WLAN coverage territory, by equipment of the core network, to UE notice UE, enter WLAN coverage territory, without UE, by client software, find WLAN coverage territory, therefore can promote the perception of UE to WLAN, thereby can promote the shunting effect of WLAN to cellular network.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, to the accompanying drawing of required use in the embodiment of the present invention be briefly described below, apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is according to the indicative flowchart of the method for the detection WLAN of the embodiment of the present invention.
Fig. 2 is according to the indicative flowchart of the method for the detection WLAN of the embodiment of the present invention.
Fig. 3 is according to the indicative flowchart of the process of the method for the detection WLAN of the embodiment of the present invention.
Fig. 4 a is according to the schematic diagram of the form of the IP datagram literary composition of the embodiment of the present invention.
Fig. 4 b is according to the schematic diagram of the form of the dscp field of the embodiment of the present invention.
Fig. 5 is according to the schematic block diagram of the access network equipment of the embodiment of the present invention.
Fig. 6 is according to the schematic block diagram of the equipment of the core network of the embodiment of the present invention.
Fig. 7 is according to the schematic block diagram of the access network equipment of the embodiment of the present invention.
Fig. 8 is according to the schematic block diagram of the equipment of the core network of the embodiment of the present invention.
Fig. 9 is according to the schematic block diagram of the AP of the embodiment of the present invention.
Figure 10 is according to the schematic block diagram of the AP of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, rather than whole embodiment.Embodiment based in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.
Technical scheme of the present invention, can be applied to various communication systems, for example: global system for mobile communications (Global System of Mobile communication, GSM), code division multiple access (Code Division Multiple Access, CDMA) system, Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access Wireless, WCDMA), GPRS (General Packet Radio Service, GPRS), Long Term Evolution (Long Term Evolution, LTE) etc.
Subscriber equipment (User Equipment, UE), also can be referred to as mobile terminal (Mobile Terminal, MT), travelling carriage (Mobile Station, MS), mobile subscriber equipment etc., can be through wireless access network (for example, Radio Access Network, RAN) communicate with one or more core net, subscriber equipment can be mobile terminal, as mobile phone (or being called " honeycomb " phone) with there is the computer of mobile terminal, for example, can be portable, pocket, hand-hold type, mobile device built-in computer or vehicle-mounted.
Fig. 1 is according to the indicative flowchart of the method for the detection WLAN of the embodiment of the present invention.The method of Fig. 1 is carried out by access network equipment, for example, can be carried out by base station controller (Base Station Controller, BSC), can also be carried out by radio network controller (Radio Network Controller, RNC).
110, from UE, receive nearby region measurement message.
Alternatively, as an embodiment, before step 110, access network equipment can be to UE transmitting system message, and this system message can be used to indicate UE reporting neighboring cell and measure message.
For example, access network equipment can pass through system message indication network control model, thereby to UE indication reporting neighboring cell message.Such as, current communication system is GSM, and access network equipment can be to UE transmitting system message, and system message can indication network control model be NC1 or NC2.
GPRS network control model comprises: NC0, NC1, NC2.
The meaning of diverse network control model is as follows:
NC0:UE carries out community selection automatically, does not send nearby region measurement message;
NC1:UE carries out community selection automatically, sends nearby region measurement message;
NC2:UE sends nearby region measurement message, accepts the cell reselection of network control.
Like this, when network control mode is NC1 or NC2, UE can carry out after nearby region measurement under transmitted in packets state, measures message to access network equipment reporting neighboring cell.
120, if nearby region measurement message is carried the information of virtual subdistrict, to equipment of the core network, send a notification message, notification message is used to indicate UE and enters WLAN coverage territory, to enter WLAN coverage territory by equipment of the core network to UE notice UE, wherein virtual subdistrict is to be produced by the AP of WLAN, and the overlay area of virtual subdistrict is identical with WLAN coverage territory.
For example, equipment of the core network can be GPRS (General Packet Radio Service, GPRS) service support node (Service GPRS Support Node, SGSN).
Virtual subdistrict can refer to the community of the cellular network of being simulated by AP.For example, AP inside can comprise cellular network module, and this cellular network module can be launched cellular network signals, thereby produces virtual subdistrict.Cellular network module can not need to communicate by letter with access network equipment, not controlled by access network equipment.For example, cellular network module can a photos and sending messages, not access service etc.UE can receive the launching electrical level of virtual subdistrict, and can resolve BCC and the Network Color Code information of virtual subdistrict.AP can adjust the transmitting power of this cellular network module, makes virtual subdistrict identical with the WLAN coverage territory that AP produces.Like this, UE, when carrying out nearby region measurement, if be positioned at the coverage of this AP, can measure this virtual subdistrict.In addition, can also unify frequency for virtual subdistrict configures the whole network, access network equipment can be identified virtual subdistrict by this frequency like this.
For example, AP can comprise gsm module, and this gsm module does not need to communicate by letter with BSC, not controlled by BSC, can a photos and sending messages, and access service not, but can launch GSM signal, produce GSM virtual subdistrict.AP can adjust the transmitting power of gsm module, makes GSM virtual subdistrict and WLAN region with covering, accurate perception virtual subdistrict while making like this UE carry out nearby region measurement, thereby accurate perception AP.
It should be noted that in the embodiment of the present invention, cellular network can be the wireless network of various standards, for example, and GSM, CDMA, WCDMA, GPRS or LTE etc.
Alternatively, as another embodiment, before step 110, access network equipment can be configured to adjacent area by virtual subdistrict.
Particularly, access network equipment can be configured to virtual subdistrict the adjacent area of community of the adjacent base station of AP.UE can receive the launching electrical level of virtual subdistrict, and can resolve BCC and the Network Color Code information of virtual subdistrict.Like this, UE, when carrying out nearby region measurement, if be positioned at the coverage of this AP, can measure this virtual subdistrict.Should understand, base station herein can be the base station (Base Transceiver Station, BTS) in GSM or CDMA, can be also the base station (NodeB) in WCDMA, it can also be the evolved base station (evolved Node B, eNB or e-NodeB) in LTE.
Access network equipment can determine whether UE enters WLAN coverage territory according to whether carrying the information of virtual subdistrict in nearby region measurement message, and for example, the frequency of virtual subdistrict can be the specific frequency of presetting, and can be that the whole network is unified.Access network equipment can, according to the frequency of each community in nearby region measurement message, determine whether to include in this nearby region measurement message the frequency of virtual subdistrict.If the frequency that nearby region measurement message comprises virtual subdistrict, access network equipment can determine that UE enters WLAN coverage territory.If nearby region measurement message does not comprise the frequency of virtual subdistrict, access network equipment can determine that UE does not enter WLAN coverage territory.
Alternatively, as another embodiment, in step 120, access network equipment can send Internet protocol (Internet Protocol to equipment of the core network, IP) data message, wherein the differentiated services code points in IP datagram literary composition (Differentiated Services Code Point, DSCP) field is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, in step 120, access network equipment can send base station sub-system general packet radio service agreement (Base Station Subsystem-GPRS Protocol to equipment of the core network, BSSGP) message, BSSGP message can comprise WLAN designator, and WLAN designator can be used to indicate UE and enter WLAN coverage territory.
For example, BSSGP heading can define WLAN designator, and this WLAN designator can indicate UE to enter WLAN coverage territory.
Alternatively, as another embodiment, if nearby region measurement message is not carried the information of virtual subdistrict, access network equipment can send a notification message to equipment of the core network, and notification message can be used to indicate UE and not enter WLAN coverage territory.
For example, access network equipment can send IP datagram literary composition to equipment of the core network, and the dscp field in IP datagram literary composition is used to indicate UE and does not enter WLAN coverage territory.Or access network equipment can send BSSGP message to equipment of the core network, BSSGP message can comprise WLAN indication field, and WLAN indication field can be used to indicate UE and not enter WLAN coverage territory.
In the embodiment of the present invention, by receiving nearby region measurement message from UE, and in the situation that nearby region measurement message is carried the information of the virtual subdistrict of AP generation, to equipment of the core network notice, UE enters WLAN coverage territory, by equipment of the core network, to UE notice UE, enter WLAN coverage territory, without UE, by client software, find WLAN coverage territory, therefore can promote the perception of UE to WLAN, thereby can promote the shunting effect of WLAN to cellular network.
Fig. 2 is according to the indicative flowchart of the method for the detection WLAN of the embodiment of the present invention.The method of Fig. 2 is carried out by equipment of the core network, for example, can be carried out by SGSN.
210, from access network equipment receiving notice message, notification message is that access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of UE reception, notification message is used to indicate UE and enters WLAN coverage territory, virtual subdistrict is to be produced by the AP of WLAN, and the overlay area of virtual subdistrict is identical with WLAN coverage territory.
If the nearby region measurement message of UE is carried the information of the virtual subdistrict of AP generation, access network equipment can determine that UE enters WLAN coverage territory, and equipment of the core network can receive the notification message that access network equipment sends like this.
Alternatively, as an embodiment, equipment of the core network can receive IP datagram literary composition from access network equipment, and wherein the dscp field in IP datagram literary composition can be used to indicate UE and enter WLAN coverage territory.
Alternatively, as another embodiment, equipment of the core network can receive BSSGP message from access network equipment, and BSSGP message can comprise WLAN designator, and WLAN designator is used to indicate UE and enters WLAN coverage territory.
220, to UE, notify this UE to enter WLAN coverage territory.
For example, suppose that the method for Fig. 2 is carried out by SGSN, above-mentioned access network equipment is BSC.SGSN can enter WLAN coverage territory to GGSN (Gateway GPRS Support Node, GGSN) notice UE.
For example, the IP datagram literary composition that SGSN can send to GGSN transparent transmission BSC, the dscp field in IP datagram literary composition can be used to indicate UE and enter WLAN coverage territory.Or SGSN can receive BSSGP message from BSC, BSSGP message can comprise WLAN designator, and WLAN designator is used to indicate UE and enters WLAN coverage territory.SGSN can be converted to GTP-U(GPRS Tunneling Protocol-User to BSSGP message, user's face GPRS Tunnel Protocol) message, to GGSN, send GTP-U message, this GTP-U message can indicate UE to enter WLAN coverage territory.
Like this, GGSN can report UE to enter WLAN coverage territory to strategy and charging rule functions (Policy and Charging Rules Function, PCRF), and PCRF can notify UE to enter WLAN coverage territory to UE.For example, PCRF can inform that sms center UE enters WLAN coverage territory according to pre-configured note strategy, by sms center, by short message mode, to UE notice, enters WLAN coverage territory.
In the embodiment of the present invention, by receiving and be used to indicate the notification message that UE enters WLAN coverage territory from access network equipment, and enter WLAN coverage territory to UE notice UE, without UE, by client software, find WLAN coverage territory, therefore the perception of UE to WLAN can be promoted, thereby the shunting effect of WLAN to cellular network can be promoted.
Below in conjunction with concrete example, describe the embodiment of the present invention in detail.It should be noted that these examples are in order to help those skilled in the art to understand better the scope of the embodiment of the present invention, and the scope of the unrestricted embodiment of the present invention.
Fig. 3 is according to the indicative flowchart of the process of the method for the detection WLAN of the embodiment of the present invention.In Fig. 3, the scene of GSM of take describes as example, supposes that above-mentioned access network equipment is BSC, and above-mentioned equipment of the core network is SGSN.
The virtual subdistrict that 301, BSC produces AP is configured to the adjacent area of community of the adjacent base station of AP.
In the embodiment of the present invention, AP can comprise gsm module, and this gsm module does not need to communicate by letter with BSC, not controlled by BSC, can a photos and sending messages, and access service not, but can launch GSM signal, produce GSM virtual subdistrict.AP can adjust the transmitting power of gsm module, makes GSM virtual subdistrict identical with WLAN coverage territory.
302, BSC is to UE transmitting system message, and system message indication network control model is NC1 or NC2.
For example, system message can be system message 13(System Information13).
303, UE sends nearby region measurement message to BSC.
UE can carry out nearby region measurement under transmitted in packets state.UE can receive the launching electrical level of virtual subdistrict, and can resolve BCC and the Network Color Code information of virtual subdistrict.Like this, UE, when carrying out nearby region measurement, if be positioned at the coverage of AP, can measure virtual subdistrict.Because network control mode is NC1 or NC2, UE, after carrying out nearby region measurement, can send nearby region measurement message to BSC, and herein, nearby region measurement message is grouping mea-sure report (Packet Measurement Report).
304, if nearby region measurement message is carried the information of virtual subdistrict, BSC determines that UE enters WLAN coverage territory.
For example, the frequency of virtual subdistrict can be the specific frequency of presetting, and can be that the whole network is unified.Access network equipment can, according to the frequency of each community in nearby region measurement message, determine whether to include in this nearby region measurement message the frequency of virtual subdistrict.If the frequency that nearby region measurement message comprises virtual subdistrict, access network equipment can determine that UE enters WLAN coverage territory.
305, BSC sends a notification message to SGSN, and notification message indication UE enters WLAN coverage territory.
Alternatively, notification message can be IP datagram literary composition.That is, BSC can send IP datagram literary composition to SGSN, and the dscp field of IP datagram literary composition can be used to indicate UE and enter WLAN coverage territory.Fig. 4 a is according to the schematic diagram of the form of the IP datagram literary composition of the embodiment of the present invention.Fig. 4 b is according to the schematic diagram of the form of the dscp field of the embodiment of the present invention.As shown in Fig. 4 a and Fig. 4 b, BSC can enter WLAN coverage territory to SGSN indication UE by the dscp field in IP datagram literary composition.As shown in Figure 4 b, dscp field can comprise the effective field of DSCP and unused word section, can indicate UE to enter WLAN coverage territory with the bit in the effective field of DSCP, also can indicate UE to enter WLAN coverage territory with the bit in unused word section.The embodiment of the present invention is not construed as limiting this.Other field of IP datagram literary composition can, with reference to prior art, for fear of repetition, repeat no more herein.
Alternatively, notification message can be also BSSGP message.That is, BSC can send BSSGP message to SGSN, and BSSGP message can comprise WLAN designator, and WLAN designator can be used to indicate UE and enter WLAN coverage territory.
Table 1 is the source identity (Information Element Identifier, IEI) comprising in BSSGP heading.As shown in table 1, can in BSSGP heading, define WLAN designator.Other IEI comprising in BSSGP heading, for example, BSSGP Identifier of the virtual connection (BSSGP Virtual Connection Identifier, BVCI), BSSGP virtual link (BSSGP Virtual Connection, BVC) bucket size (Bucket Size), discontinuous reception (Discontinuous Receive, DRX) parameter (Parameters) etc., their concrete meaning can be with reference to prior art, for fear of repetition, repeat no more herein.
IEI in table 1BSSGP heading
Figure BDA00003434028900101
Table 2 is that WLAN designator is in the position of the upstream data unit (Uplink-UNITDATA, UL-UNITDATA) of BSSGP heading.Wherein, the transmission direction of this data cell is by BSC to SGSN.In table 2, UL-UNITDATA PDU is except comprising newly-increased WLAN designator, can also comprise other cell, TLLI (Temporary Logical Link Identifier for example, TLLI), service quality (Quality of Service, QoS) brief introduction (Profile), stream of packets sign (Packet Flow Identifier, PFI), limitation coverage (Localized Service Area, LSA) sign (Identifier) list (List), logic link control (Logical Link Control)-protocol Data Unit (Protocol Data Unit, PDU) etc., their specific descriptions can be with reference to prior art, for fear of repetition, repeat no more herein.
Table 2UL-UNITDATA PDU content
Figure BDA00003434028900121
Table 3 is an example of the coded system of WLAN designator.For example, when the value of WLAN designator is 0x00, can represent that UE does not enter WLAN coverage territory; When the value of WLAN designator is 0x01, can represent that UE enters WLAN coverage territory.
The example of the coded system of table 3WLAN designator
Figure BDA00003434028900122
306, SGSN sends the first Indication message to GGSN, and the first Indication message indication UE enters WLAN coverage territory.
For example, if BSC enters WLAN coverage territory by IP datagram literary composition to SGSN notice UE in step 305, in step 306, SGSN can be to this IP datagram literary composition of GGSN transparent transmission so.Namely, the first Indication message can be IP datagram literary composition.
If BSC enters WLAN coverage territory by BSSGP message to SGSN notice UE in step 305, in step 306, SGSN can be converted to GTP-U message by BSSGP message so, by GTP-U message, to GGSN notice UE, enters WLAN coverage territory.Namely, the first Indication message can be GTP-U message.GTP-U message can comprise WLAN designator.The value mode of the WLAN designator in GTP-U message can with above-mentioned BSSGP message in the value mode of WLAN designator be consistent.
307, GGSN sends the second Indication message to PCRF, and the second Indication message indication UE enters WLAN coverage territory.
308, PCRF enters WLAN coverage territory to UE notice UE.
For example, PCRF can enter WLAN coverage territory to sms center notice UE according to pre-configured note strategy, by sms center, by short message mode, to UE notice, enters WLAN coverage territory.
After step 303, if nearby region measurement message is not carried the information of virtual subdistrict, perform step 309 to step 311.
309, if nearby region measurement message is not carried the information of virtual subdistrict, BSC determines that UE does not enter WLAN coverage territory.
310, BSC sends a notification message to SGSN, and notification message indication UE does not enter WLAN coverage territory.
Alternatively, notification message can be IP datagram literary composition.That is, BSC can send IP datagram literary composition to SGSN, and the dscp field of IP datagram literary composition can be used to indicate UE and not enter WLAN coverage territory.The form of IP datagram literary composition can be as shown in Fig. 4 a.The form of dscp field can be as shown in Figure 4 b.As shown in Fig. 4 a and Fig. 4 b, BSC can not enter WLAN coverage territory to SGSN indication UE by the dscp field in IP datagram literary composition.
Alternatively, notification message can be also BSSGP message.That is, BSC can send BSSGP message to SGSN, and BSSGP message can comprise WLAN designator, and WLAN designator can be used to indicate UE and enter WLAN coverage territory.Can in BSSGP heading, define WLAN designator, as shown in table 1.WLAN designator is as shown in table 2 in the position of the UL-UNITDATA of BSSGP heading.An example of the coded system of WLAN designator can be as shown in table 3, for example, when the value of WLAN designator is 0x00, can represent that UE does not enter WLAN coverage territory.
311, SGSN sends the first Indication message to GGSN, and the first Indication message indication UE does not enter WLAN coverage territory.
For example, if BSC does not enter WLAN coverage territory by IP datagram literary composition to SGSN notice UE in step 310, in step 311, SGSN can be to this IP datagram literary composition of GGSN transparent transmission so.Namely, the first Indication message can be IP datagram literary composition.
If BSC does not enter WLAN coverage territory by BSSGP message to SGSN notice UE in step 310, in step 311, SGSN can be converted to BSSGP message GTP-U message so, by GTP-U message, to GGSN notice UE, does not enter WLAN coverage territory.Namely, the first Indication message can be GTP-U message.GTP-U message can comprise WLAN designator.The value mode of the WLAN designator in GTP-U message can with above-mentioned BSSGP message in the value mode of WLAN designator be consistent.
Should be understood that above-mentioned each process sequence number size and do not mean that the priority of execution sequence, the execution sequence of each process should determine with its function and internal logic, and should not form any restriction to the implementation process of the embodiment of the present invention.
In the embodiment of the present invention, by receiving nearby region measurement message from UE, and in the situation that nearby region measurement message is carried the information of the virtual subdistrict of AP generation, to equipment of the core network notice, UE enters WLAN coverage territory, by equipment of the core network, to UE notice UE, enter WLAN coverage territory, without UE, by client software, find WLAN coverage territory, therefore can promote the perception of UE to WLAN, thereby can promote the shunting effect of WLAN to cellular network.
Fig. 5 is according to the schematic block diagram of the access network equipment of the embodiment of the present invention.An example of the equipment 500 of Fig. 5 is BSC.Equipment 500 comprises receiving element 510 and transmitting element 520.
Receiving element 510 receives nearby region measurement message from UE.If nearby region measurement message is carried the information of virtual subdistrict, transmitting element 520 sends a notification message to equipment of the core network, notification message is used to indicate UE and enters WLAN coverage territory, to enter WLAN coverage territory by equipment of the core network to UE notice UE, wherein virtual subdistrict is to be produced by the access point of WLAN, and the overlay area of virtual subdistrict is identical with WLAN coverage territory.
In the embodiment of the present invention, by receiving nearby region measurement message from UE, and in the situation that nearby region measurement message is carried the information of the virtual subdistrict of AP generation, to equipment of the core network notice, UE enters WLAN coverage territory, by equipment of the core network, to UE notice UE, enter WLAN coverage territory, without UE, by client software, find WLAN coverage territory, therefore can promote the perception of UE to WLAN, thereby can promote the shunting effect of WLAN to cellular network.
Other operation of equipment 500 and function relate to the process of access network equipment in can the embodiment of the method with reference to Fig. 1 to Fig. 4 b above, for fear of repetition, repeat no more herein.
Alternatively, as an embodiment, transmitting element 520 can send IP datagram literary composition to equipment of the core network, and wherein the dscp field in IP datagram literary composition is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, transmitting element 520 can send BSSGP message to equipment of the core network, and BSSGP message comprises WLAN designator, and WLAN designator is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, transmitting element 520 can also be before receiving nearby region measurement message from UE, and to UE transmitting system message, system message is used to indicate UE reporting neighboring cell and measures message.
Alternatively, as another embodiment, if nearby region measurement message is not carried the information of virtual subdistrict, transmitting element 520 can also send a notification message to equipment of the core network, and notification message is used to indicate UE and does not enter WLAN coverage territory.
Alternatively, as another embodiment, equipment 500 can also comprise dispensing unit 530.Dispensing unit 530 can, before receiving element 510 receives nearby region measurement message from UE, be configured to adjacent area by virtual subdistrict.
Fig. 6 is according to the schematic block diagram of the equipment of the core network of the embodiment of the present invention.An example of the equipment 600 of Fig. 6 is SGSN.Equipment 600 comprises receiving element 610 and notification unit 620.
Receiving element 610 is from access network equipment receiving notice message, notification message is that access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of UE reception, notification message is used to indicate UE and enters WLAN coverage territory, virtual subdistrict is to be produced by the access point of WLAN, and the overlay area of virtual subdistrict is identical with WLAN coverage territory.Notification unit 620 enters WLAN coverage territory to UE notice UE.
In the embodiment of the present invention, by receiving and be used to indicate the notification message that UE enters WLAN coverage territory from access network equipment, and enter WLAN coverage territory to UE notice UE, without UE, by client software, find WLAN coverage territory, therefore the perception of UE to WLAN can be promoted, thereby the shunting effect of WLAN to cellular network can be promoted.
Other function of equipment 600 and operation relate to the process of equipment of the core network in can the embodiment of the method with reference to Fig. 1 to Fig. 4 b above, for fear of repetition, repeat no more herein.
Alternatively, as an embodiment, receiving element 610 can receive IP datagram literary composition from access network equipment, and wherein the dscp field in IP datagram literary composition is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, receiving element 620 can receive BSSGP message from access network equipment, and BSSGP message comprises WLAN designator, and WLAN designator is used to indicate UE and enters WLAN coverage territory.
Fig. 7 is according to the schematic block diagram of the access network equipment of the embodiment of the present invention.An example of the equipment 700 of Fig. 7 is BSC.Equipment 700 comprises receiver 710 and transmitter 720.
Receiver 710 receives nearby region measurement message from UE.If nearby region measurement message is carried the information of virtual subdistrict, transmitter 720 sends a notification message to equipment of the core network, notification message is used to indicate UE and enters WLAN coverage territory, to enter WLAN coverage territory by equipment of the core network to UE notice UE, wherein virtual subdistrict is to be produced by the access point of WLAN, and the overlay area of virtual subdistrict is identical with WLAN coverage territory.
In the embodiment of the present invention, by receiving nearby region measurement message from UE, and in the situation that nearby region measurement message is carried the information of the virtual subdistrict of AP generation, to equipment of the core network notice, UE enters WLAN coverage territory, by equipment of the core network, to UE notice UE, enter WLAN coverage territory, without UE, by client software, find WLAN coverage territory, therefore can promote the perception of UE to WLAN, thereby can promote the shunting effect of WLAN to cellular network.
Other operation of equipment 700 and function relate to the process of access network equipment in can the embodiment of the method with reference to Fig. 1 to Fig. 4 b above, for fear of repetition, repeat no more herein.
Alternatively, as an embodiment, transmitter 720 can send IP datagram literary composition to equipment of the core network, and wherein the dscp field in IP datagram literary composition is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, transmitter 720 can send BSSGP message to equipment of the core network, and BSSGP message comprises WLAN designator, and WLAN designator is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, transmitter 720 can also be before receiving nearby region measurement message from UE, and to UE transmitting system message, system message is used to indicate UE reporting neighboring cell and measures message.
Alternatively, as another embodiment, if nearby region measurement message is not carried the information of virtual subdistrict, transmitter 720 can also send a notification message to equipment of the core network, and notification message is used to indicate UE and does not enter WLAN coverage territory.
Alternatively, as another embodiment, equipment 700 can also comprise processor 730.Processor 730 can, before receiver 710 receives nearby region measurement message from UE, be configured to adjacent area by virtual subdistrict.
Fig. 8 is according to the schematic block diagram of the equipment of the core network of the embodiment of the present invention.An example of the equipment 800 of Fig. 8 is SGSN.Equipment 800 comprises receiver 810 and transmitter 820.
Receiver 810 is from access network equipment receiving notice message, notification message is that access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of UE reception, notification message is used to indicate UE and enters WLAN coverage territory, virtual subdistrict is to be produced by the access point of WLAN, and the overlay area of virtual subdistrict is identical with WLAN coverage territory.Transmitter 820 enters WLAN coverage territory to UE notice UE.
In the embodiment of the present invention, by receiving and be used to indicate the notification message that UE enters WLAN coverage territory from access network equipment, and enter WLAN coverage territory to UE notice UE, without UE, by client software, find WLAN coverage territory, therefore the perception of UE to WLAN can be promoted, thereby the shunting effect of WLAN to cellular network can be promoted.
Other function of equipment 800 and operation relate to the process of equipment of the core network in can the embodiment of the method with reference to Fig. 1 to Fig. 4 b above, for fear of repetition, repeat no more herein.
Alternatively, as an embodiment, receiver 810 can receive IP datagram literary composition from access network equipment, and wherein the dscp field in IP datagram literary composition is used to indicate UE and enters WLAN coverage territory.
Alternatively, as another embodiment, receiver 810 can receive BSSGP message from access network equipment, and BSSGP message comprises WLAN designator, and WLAN designator is used to indicate UE and enters WLAN coverage territory.
Fig. 9 is according to the schematic block diagram of the AP of the embodiment of the present invention.The AP900 of Fig. 9 comprises WLAN module 910 and cellular network module 920.
WLAN module 910 transmitting WLAN signals, to form WLAN coverage territory.Cellular network module 920 transmitting cellular network signals, to produce virtual subdistrict, wherein the overlay area of virtual subdistrict is identical with WLAN coverage territory.
In the embodiment of the present invention, it is identical with WLAN coverage territory that the cellular network module that comprises by AP produces the overlay area of ，Gai virtual subdistrict, virtual subdistrict, can perception virtual subdistrict while making UE carry out nearby region measurement, thus accurate perception AP.
Alternatively, as an embodiment, AP900 can also comprise processing module 930.Processing module 930 can be adjusted the transmitting power of cellular network module 920, so that the overlay area of virtual subdistrict is identical with WLAN coverage territory.
Cellular network module 920 can produce virtual subdistrict by transmitting cellular network signals.Cellular network module 920 can not need to communicate by letter with access network equipment, not controlled by access network equipment.For example, cellular network module 920 can a photos and sending messages, not access service etc.UE can receive the launching electrical level of virtual subdistrict, and can resolve BCC and the Network Color Code information of virtual subdistrict.Processing module 930 can be adjusted the transmitting power of cellular network module 920, makes virtual subdistrict identical with WLAN coverage territory.Like this, UE, when carrying out nearby region measurement, if be positioned at the coverage of AP900, can measure this virtual subdistrict.In addition, can also unify frequency for virtual subdistrict configures the whole network, access network equipment can be identified virtual subdistrict by this frequency like this.
For example, cellular network module 920 can be gsm module, and gsm module does not need to communicate by letter with BSC, not controlled by BSC, can a photos and sending messages, and access service not, but can launch GSM signal, produce GSM virtual subdistrict.Processing module 930 can be adjusted the transmitting power of gsm module, makes GSM virtual subdistrict and WLAN region with covering, accurate perception virtual subdistrict while making like this UE carry out nearby region measurement, thereby accurate perception AP.
Figure 10 is according to the schematic block diagram of the AP of the embodiment of the present invention.The AP1000 of Figure 10 comprises WLAN reflector 1010 and cellular network reflector 1020.
WLAN reflector 1010 transmitting WLAN signals, to form WLAN coverage territory.Cellular network reflector 1020 transmitting cellular network signals, to produce virtual subdistrict, wherein the overlay area of virtual subdistrict is identical with WLAN coverage territory.
In the embodiment of the present invention, it is identical with WLAN coverage territory that the cellular network module that comprises by AP produces the overlay area of ，Gai virtual subdistrict, virtual subdistrict, can perception virtual subdistrict while making UE carry out nearby region measurement, thus accurate perception AP.
Alternatively, as an embodiment, AP1000 can also comprise processor 1030.Processor 1030 can be adjusted the transmitting power of cellular network reflector 1020, so that the overlay area of virtual subdistrict is identical with WLAN coverage territory.
Cellular network reflector 1020 can produce virtual subdistrict by transmitting cellular network signals.Cellular network reflector 1020 can not need to communicate by letter with access network equipment, not controlled by access network equipment.For example, cellular network reflector 1020 can a photos and sending messages, not access service etc.UE can receive the launching electrical level of virtual subdistrict, and can resolve BCC and the Network Color Code information of virtual subdistrict.Processor 1030 can be adjusted the transmitting power of cellular network reflector 1020, makes virtual subdistrict identical with WLAN coverage territory.Like this, UE, when carrying out nearby region measurement, if be positioned at the coverage of AP1000, can measure this virtual subdistrict.In addition, can also unify frequency for virtual subdistrict configures the whole network, access network equipment can be identified virtual subdistrict by this frequency like this.
For example, cellular network reflector 1020 can be GSM reflector, and GSM reflector does not need to communicate by letter with BSC, not controlled by BSC, can a photos and sending messages, and access service not, but can launch GSM signal, produce GSM virtual subdistrict.Processor 1030 can be adjusted the transmitting power of GSM reflector, makes GSM virtual subdistrict and WLAN region with covering, accurate perception virtual subdistrict while making like this UE carry out nearby region measurement, thereby accurate perception AP.
Those of ordinary skills can recognize, unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that disclosed system, apparatus and method can realize by another way.For example, device embodiment described above is only schematic, for example, the division of described unit, be only that a kind of logic function is divided, during actual realization, can have other dividing mode, for example a plurality of unit or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, indirect coupling or the communication connection of device or unit can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, and the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in a plurality of network element.Can select according to the actual needs some or all of unit wherein to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can be also that the independent physics of unit exists, and also can be integrated in a unit two or more unit.
If described function usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computer read/write memory medium.Understanding based on such, the part that technical scheme of the present invention contributes to prior art in essence in other words or the part of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.

Claims (20)

1. a method that detects WLAN (wireless local area network), is characterized in that, comprising:
From user equipment (UE), receive nearby region measurement message;
If described nearby region measurement message is carried the information of virtual subdistrict, to equipment of the core network, send a notification message, described notification message is used to indicate described UE and enters WLAN (wireless local area network) WLAN coverage territory, to notify described UE to enter described WLAN coverage territory by described equipment of the core network to described UE, wherein said virtual subdistrict is to be produced by the access point of described WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory.
2. method according to claim 1, is characterized in that, describedly to equipment of the core network, sends a notification message, and comprising:
To described equipment of the core network, send Internet protocol IP datagram literary composition, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
3. method according to claim 1, is characterized in that, describedly to equipment of the core network, sends a notification message, and comprising:
To described equipment of the core network, send base station sub-system GPRS agreement BSSGP message, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described, before UE reception nearby region measurement message, also comprise:
To described UE transmitting system message, described system message is used to indicate described UE and reports described nearby region measurement message.
5. according to the method described in any one in claim 1 to 4, it is characterized in that, also comprise:
If described nearby region measurement message is not carried the information of described virtual subdistrict, to described equipment of the core network, send a notification message, described notification message is used to indicate described UE and does not enter WLAN coverage territory.
6. according to the method described in any one in claim 1 to 5, it is characterized in that, described, before UE reception nearby region measurement message, also comprise:
Described virtual subdistrict is configured to adjacent area.
7. a method that detects WLAN (wireless local area network), is characterized in that, comprising:
From access network equipment receiving notice message, described notification message is that described access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of user equipment (UE) reception, described notification message is used to indicate described UE and enters WLAN (wireless local area network) WLAN coverage territory, described virtual subdistrict is to be produced by the access point of described WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory;
To described UE, notify described UE to enter described WLAN coverage territory.
8. method according to claim 7, is characterized in that, described from access network equipment receiving notice message, comprising:
From described access network equipment, receive Internet protocol IP datagram literary composition, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
9. method according to claim 7, is characterized in that, described from access network equipment receiving notice message, comprising:
From described access network equipment, receive base station sub-system GPRS agreement BSSGP message, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
10. an access network equipment, is characterized in that, comprising:
Receiving element, for receiving nearby region measurement message from user equipment (UE);
Transmitting element, if carry the information of virtual subdistrict for described nearby region measurement message, to equipment of the core network, send a notification message, described notification message is used to indicate described UE and enters WLAN (wireless local area network) WLAN coverage territory, to notify described UE to enter described WLAN coverage territory by described equipment of the core network to described UE, wherein said virtual subdistrict is to be produced by the access point of described WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory.
11. access network equipments according to claim 10, it is characterized in that, described transmitting element is specifically for sending Internet protocol IP datagram literary composition to described equipment of the core network, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
12. access network equipments according to claim 10, it is characterized in that, described transmitting element is specifically for sending base station sub-system GPRS agreement BSSGP message to described equipment of the core network, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
13. according to claim 10 to the access network equipment described in any one in 12, it is characterized in that, described transmitting element also for described from UE, receive nearby region measurement message before, to described UE transmitting system message, described system message is used to indicate described UE and reports described nearby region measurement message.
14. according to claim 10 to the access network equipment described in any one in 13, it is characterized in that, if described transmitting element does not also carry the information of described virtual subdistrict for described nearby region measurement message, to described equipment of the core network, send a notification message, described notification message is used to indicate described UE and does not enter WLAN coverage territory.
15. according to claim 10 to the access network equipment described in any one in 14, it is characterized in that, also comprises:
Dispensing unit, before receiving described nearby region measurement message at described receiving element from described UE, is configured to adjacent area by described virtual subdistrict.
16. 1 kinds of equipments of the core network, is characterized in that, comprising:
Receiving element, be used for from access network equipment receiving notice message, described notification message is that described access network equipment sends determining the information of carrying virtual subdistrict from the nearby region measurement message of user equipment (UE) reception, described notification message is used to indicate described UE and enters WLAN (wireless local area network) WLAN coverage territory, described virtual subdistrict is to be produced by the access point of described WLAN, and the overlay area of described virtual subdistrict is identical with described WLAN coverage territory;
Notification unit, for notifying described UE to enter described WLAN coverage territory to described UE.
17. equipments of the core network according to claim 16, it is characterized in that, described receiving element is specifically for receiving Internet protocol IP datagram literary composition from described access network equipment, the differentiated services code points dscp field in wherein said IP datagram literary composition is used to indicate described UE and enters WLAN coverage territory.
18. equipments of the core network according to claim 16, it is characterized in that, described receiving element is specifically for receiving base station sub-system GPRS agreement BSSGP message from described access network equipment, described BSSGP message comprises WLAN designator, and described WLAN designator is used to indicate described UE and enters WLAN coverage territory.
19. 1 kinds of access points, is characterized in that, comprising:
WLAN (wireless local area network) WLAN module, for launching WLAN signal, to form WLAN coverage territory;
Cellular network module, for launching cellular network signals, to produce virtual subdistrict, the overlay area of wherein said virtual subdistrict is identical with described WLAN coverage territory.
20. access points according to claim 19, is characterized in that, also comprise:
Processing module, for adjusting the transmitting power of described cellular network module, so that the overlay area of described virtual subdistrict is identical with described WLAN coverage territory.
CN201280004472.3A 2012-12-31 2012-12-31 Detect method, access network and equipment of the core network, the access point of WLAN Expired - Fee Related CN103535082B (en)

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