CN102845107A - Method and access point for changing communication link - Google Patents
Method and access point for changing communication link Download PDFInfo
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- CN102845107A CN102845107A CN2011800003057A CN201180000305A CN102845107A CN 102845107 A CN102845107 A CN 102845107A CN 2011800003057 A CN2011800003057 A CN 2011800003057A CN 201180000305 A CN201180000305 A CN 201180000305A CN 102845107 A CN102845107 A CN 102845107A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The present invention provides a method and an access point for changing the communication link. The method includes that when the preset condition is met, a second universal mobile telecommunication system access point (UAP), which operates normally, receives the message for starting forwarding and starts the forwarding function of the second UAP according to the message for starting forwarding, so as to become the host UAP of the first UAP (101); the second UAP forwards the communication messages between the first UAP and a network side (102). The access point includes a start module and a communication module. By the solution of the present invention, the purposes of cost savings and easy maintenance are effectively achieved.
Description
Change the method and access point of communication link
Technical field
The present embodiments relate to the communication technology, more particularly to a kind of method and access point for changing communication link.Background technology
UMTS (Universal Mobile Telecommunications System, referred to as：UMTS) access point（UMTS Access Point, referred to as：UAP) it is a kind of brand-new access point product.It provides a user the UMTS services of standard, and passes through DSL（Digital Subscriber Line, referred to as：DSL)/Internet protocol（Internet Protocol, referred to as：IP) broadband is connected with network side equipment.UAP can provide a kind of inexpensive family/Indoor Coverage Solution for operator, the network coverage and capacity can be improved by the deployment of user, in the case that especially current data service increases sharply, UAP can absorb mass data business and legacy network is had no effect as the effective carrier of mobile broadband.And user can enjoy low rate and home network application.The UAP appearance Uniform Communication Platform that will make to found a family becomes possible to, and will really realize fixed and Mobile Convergence（Fixed-Mobile Convergence, referred to as： FMC ) .
In the prior art, UAP-as pass through ' Office LAN（Office LAN) network is connected to, in order to realize WCDMA（Wideband Code Division Multiple Access, referred to as：WCDMA) signal there may be multiple UAP to the seamless coverage of a panel region under one ' Office LAN.Due to reasons such as some configuration parameter mistakes or software BUG or hardware faults, some UAP under same ' Office LAN possibly can not just be often connected to security gateway（Security GateWay, referred to as：), or can not be by UAP management system SeGW（HNB Management System, referred to as：HMS) it is maintained, or can not be with access gateway（Access Gateway, referred to as：AG) setting up Stream Control Transmission Protocol, (Stream Control Transmission Protocol are referred to as：SCTP, there is the problem of UAP is offline in) link.UAP-denier is offline, can not be just user equipment（User Equipment, referred to as：UE) access service is provided, Consumer's Experience is had a strong impact on.
And UAP installation position is generally more dispersed, in some instances it may even be possible to be positioned in the place for being difficult contact, once occur can not remote maintenance the problem of, UAP just turns into acnode, engineering staff can only be sent to remove near-end maintaining, cost is very high.The content of the invention
The embodiment of the present invention provides a kind of method and access point for changing communication link, any one access point in network is allowd to change the communication link of itself when meeting preparatory condition, even if remaining on the service of can providing the user with the UAP that network side breaks down, not only reduce UAP maintenance cost, and the maintenance cost of network is reduced, effectively realize purpose that is cost-effective, being easy to maintenance.
On the one hand, the embodiment of the present invention provides a kind of method for changing communication link, including：
When meeting preparatory condition, the second access point UAP of normal work, which is received, starts forwarding information, starts the forwarding capability of the 2nd UAP, the host UAP as the first UAP according to the startup forwarding information;2nd UAP forwards the first UAP and the network side communication message.
On the other hand, the embodiment of the present invention additionally provides a kind of method for changing communication link, including：When meeting preparatory condition, the first access point UAP is according to the UAP information selection second being obtained ahead of time
UAP is host UAP, and sends startup forwarding information to the 2nd UAP;
The first UAP and the network side communication message are forwarded by the 2nd UAP.
Another further aspect, the embodiment of the present invention additionally provides a kind of access point, including：
Starting module, forwarding information is started for receiving, and forwarding capability, the host UAP as the first UAP are started according to the startup forwarding information;
Communication module, the communication message for forwarding the first UAP and the network side.
Another aspect, the embodiment of the present invention additionally provides a kind of access point, including：
Selecting module, for when meeting preparatory condition, selecting the 2nd UAP to be host UAP according to the UAP information being obtained ahead of time, and sends startup forwarding information to the 2nd UAP;
Communication module, for forwarding the communication message with the network side by the 2nd UAP.
The method and access point of the change communication link of the embodiment of the present invention, by when meeting preparatory condition,
Using the 2nd UAP of normal work as the first UAP host UAP, the communication message between the first UAP and network side is forwarded by host UAP, maintenance cost is saved in effective guarantee the first UAP and network side proper communication, it is not necessary to near-end maintaining.Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
The method flow diagram for the change communication link that Fig. 1 provides for one embodiment of the invention；
The method flow diagram for the change communication link that Fig. 2 provides for another embodiment of the invention；
The structural representation for the access point that Fig. 3 provides for one embodiment of the invention；
The structural representation for the access point that Fig. 4 provides for another embodiment of the present invention.Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
The method flow diagram for the change communication link that Fig. 1 provides for one embodiment of the invention, as shown in figure 1, this method includes：
Step 101:When meeting preparatory condition, the 2nd UAP of normal work, which is received, starts forwarding information, according to the forwarding capability for starting the 2nd UAP of forwarding information startup, the host UAP as the first UAP;Wherein, the first UAP is a kind of concept referred to, namely in network range（In including but not limited to same LAN, or in wide area network）Any one UAP can be referred to as the first UAP.2nd UAP
(preferably but do not limit the 2nd UAP and the first UAP for the UAP of normal work and be in same LAN）, a kind of concept referred to is similarly, namely the UAP of other normal works in addition to the first UAP can be referred to as the 2nd UAP.Host UAP refers to the UAP that forwarding capability is provided for the first UAP data.Preparatory condition include many kinds, can with but be not restricted to：The communication link fails of first UAP and network side, the first UAP remaining life cycle are less than or equal to preset value, the first UAP and receive order of change communication link etc..It both can be that HMS is issued or is automatically transmitted to describe in detail in the 2nd UAP, the following examples to the 2nd UAP or the first UAP by manually triggering automatically to start forwarding information.
Step 102:2nd UAP forwards the communication message of the first UAP and network side.
The forwarding of wherein communication message can be, but not limited to include：Forwarded upstream and down forward.It is up switch to can be：When 2nd UAP receives the uplink message of the first UAP transmissions, for the 2nd UAP itself of difference and the first UAP message, the first UAP uplink messages sent are packaged, the message after encapsulation is transmitted to network side.Here encapsulation can Reseal to encrypt the uplink message using the first UAP tunnel Intranet IP.Down forwarding to be：2nd UAP receive network side transmission downlink message, after downlink message is decrypted, judge its destination address whether the tunnel Intranet IP for being the first UAP, if it is, being transmitted to the first UAP after just the message is Resealed.
The method of change communication link provided in an embodiment of the present invention, it is that the first UAP for meeting preparatory condition forwards uplink and downlink message by host UAP, the first UAP of effective guarantee can pass through host UAP and network-side communication, so as to provide access service for UE, and near-end maintaining is not needed, save cost.
The method flow diagram for the change communication link that Fig. 2 provides for another embodiment of the invention, the method shown in Fig. 2 is a kind of specific implementation of method shown in Fig. 1.As shown in Fig. 2 this method includes set-up procedure and implementation process two parts, set-up procedure and implementation process are introduced separately below.
Set-up procedure includes：
Step 201:The upper electricity of UAP-A, detects other UAP, obtains the UAP of other normal works transmitting link-state information.
Wherein, UAP-A specifically may refer to any one UAP in network, also be equivalent to an implementation
The first UAP mentioned in example.Here it can be, but not limited to detect other UAP using nearby principle, refer to：UAP in the detection address field adjacent with own IP address.For example：The IP address for initiating UAP-A of detection is 10.147.198.130, and mask is 255.255.255.0, and UAP A are according to what nearby principle was detected：The neighbouring IP address fields with oneself IP address, can be the arbitrary address section closed in its network segment, such as 10.147.198.129-10.147.198.1 or 10.147.198.131-10.147.198.254 etc..
Wherein, other UAP in the adjacent address field in IP addresses can be detected by sending the probe requests message, if there is UAP-B of transmission link normal work in the address field, UAP-B can send detection response message to UAP-A after the probe requests message is received.Wherein, the probe requests message can be, but not limited to include：Internet Control Message agreement (Internet Control Message Protocol, referred to as：ICMP) request message（ICMP Request), UDP Echo messages or customized proprietary protocol message etc..
Step 202:UAP A are obtained to UAP-B transmitting link-state informations for sending UAP and asked, and receive UAP-B of UAP-B replies transmitting link-state information after UAP-B detection response message is received.
Wherein, UAP-B specifically may refer to the UAP of any one normal work in addition to UAP-A in network.It can be, but not limited to carry following information in the detection response message that UAP-B is replied：UAP-B IP addresses, UAP-B tunnel Intranet IP, international mobile subscriber identity（International Mobile Subscriber Identification number, referred to as：IMSI the product identification of equipment write-in) and when access point dispatches from the factory（Access Point Equipment Index, referred to as：), APEI it can further include：UAP-B title, access point index（Access Point Index, referred to as APIndex) etc. information.
Step 203:UAP-A preserves the UAP information of the transmission link energy normal work of acquisition.
The UAP information of transmission link energy normal work can be, but not limited to as shown in table 1, wherein, tunnel Intranet IP is referred to：UAP uses Internet Protocol Security（Internet Protocol Security, referred to as：IPsec), Encapsulating Security Payload（Encapsulation Security Protocol, referred to as：ESP), the encapsulated message internal layer IP source IP address that uses, other are referred to：Some characterisitic parameters or operational factor, such as CPU usage, access customer number etc. are filled according to actual conditions.
Table 1
Step 204:UAP information can be safeguarded between UAP-A and UAP-B by heartbeat mechanism.
When any one UAP transmission link state changes, such as IP address changes, tunnel IP address of internal network changes, TR069 (agreement that UAP operation maintenance data is used is transmitted between UAP and HMS) link is unavailable, notifies other UAP in time by heartbeat mechanism.
Specifically, when UAP-B transmitting link-state information changes, UAP-B can send a notification message to UAP-A, and the transmitting link-state information of UAP-B after updating is carried in an announcement message, UAP A update UAP-B of itself preservation transmitting link-state information according to the transmitting link-state information of UAP-B after renewal in notification message.
It should be noted that the transmission link between host UAP and the first UAP can be safeguarded by following several ways：
The first, using SCTP, (Stream Control Transmit Protocol are referred to as：SCTP signaling) is transmitted on ip networks, because the agreement has high real-time, reliability, and defines intentionally several systems of the ability of if million.
Second, using timing icmp probe, it is spaced detection in 3 seconds once, if continuous 3 detections are not responded to, confirms that current host UAP has broken down or lower electricity, it is necessary to detect another host UAP again;
The third, uses UDP Echo or other proprietary protocols.Wherein, UDP Echo are a kind of probe transmission link break-make or time delay, the mechanism of shake, Lost bag rates, and using udp protocol, destination interface is 7.
Implementation process includes：
Step 205:When meeting preparatory condition, UAP-B, which is received, starts forwarding information；
The startup forwarding information can be sent to UAP-B by the HMS positioned at core-network side, can also be by
UAP A are sent to UAP-B.Preparatory condition can with but be not limited in the communication link fails of UAP-A and network side, UAP-A remaining life cycle and be less than or equal to the order etc. that preset value, UAP-A receive change communication link.Illustrated below by taking the communication link fails of UAP-A and network side as an example, therefore UAP-A can be referred to as failure UAP again.
In the case of one kind, when UAP-the A safeguarded at HMS state is offline, acquiescence UAP-A breaks down, then HMS sends startup forwarding information and gives UAP-B (UAP-B here may refer to the UAP of any normal work in addition to UAP A).HMS, which sends startup forwarding information, can be manual transmission to UAP B or send automatically.Wherein send manually and refer to that HMS operating personnel have found that UAP A state is offline, UAP-B is selected in the UAP for the normal work being obtained ahead of time as UAP-A host UAP, it can also be that HMS detects UAP-A offline automatically, UAP B are selected directly in the UAP for the normal work being obtained ahead of time as UAP-A host UAP.This mode for starting forwarding information is sent manually, although implement simple, function is reliable, but can not forward failure UAP signaling data and customer service in time, load that can not be on balanced host UAP.And this mode for starting forwarding information is sent automatically, failure UAP message can be forwarded in time, and is capable of balanced host UAP load, automatic gravity treatment host UAP etc..
In another case, when UAP-A breaks down, the host UAP (UAP-B) of itself is selected according to the UAP information pre-saved, and sends startup forwarding information to UAP-B, notifies it to start forwarding capability.
Wherein, UAP-A breaks down and referred to：Transmission link breaks down or software bug or identification module（Subscriber Identity Module, referred to as：SIM) card is not in place or the reason such as environment configurations caused by the transmission link failure such as IPsec tunnels, SCTP, TR069.
When host UAP and failure UAP is in same LAN, it is contemplated that UAP amount of communication data is few between LAN, and frequency of use is not high, ipsec tunnel can be consulted using wildcard between failure UAP and host UAP.
If HMS needs to inquire about or operating trouble UAP (UAP A), then inquiry or operating trouble UAP order are sent to host UAP (UAP B), host UAP is parsed to inquiry or operating trouble UAP order, judge to be destined for failure UAP message, be then transmitted to failure UAP after changing the agreement field in message;Failure UAP will inquire about or implementing result be sent to host UAP, by host UAP will inquire about or implementing result be re-packaged into Simple Object Access Protocol (Simple Obj ect Access Protocol, referred to as：SOAP) it is transmitted to HMS after message.
Wherein, host UAP in order to distinguish itself message and failure UAP message, failure can be used
UAP tunnel Intranet IP Reseals failure UAP message, and encryption is then forwarded to SeGW, by SeGW decrypt after be forwarded to core net.
It can include in failure UAP message：UAP operation maintenance data（Operation and Maintenance Data, referred to as：OM data）, signaling data（Signal Data, referred to as：SIG data）, circuit switching（Circuit Swithing, referred to as：CS) business datum, such as speech business etc..
If failure UAP needs to send message, message is sent to host UAP, Resealing message encryption using failure UAP tunnel Intranet IP by host UAP is then forwarded to SeGW, and core net is transmitted to after SeGW decryption.
Further, this method can also include：
Optional step 206:If host UAP CPU usage reaches certain threshold value within a period of time, send handover information and give failure UAP, notify failure UAP switching host UAP, and stop failure UAP business forwarding；Failure UAP reselects host UAP according to handover information.
Further, if host UAP can not be further continued for forwarding failure UAP business, this method can also include：
Optional step 207:Failure UAP detects the heartbeat retransmission time out between host UAP, then reselects host UAP.
For reselecting host UAP and can include described in step 206 and step 207：According to the UAP information selection host UAP being obtained ahead of time.Need to follow following principle when selecting host UAP：The quantity that forwarding failure UAP is supported on same host UAP is certain, must not exceed preset value, if the quantity for detecting the UAP that forwarding is supported on a host UAP reaches preset value, the reselection UAP is not used as host UAP.
The embodiments of the invention provide a kind of method for changing communication link, by when meeting preparatory condition, using the 2nd UAP of normal work as the first UAP host UAP, communication message between first UAP and network side is forwarded by host UAP, effective guarantee the first UAP and network side proper communication, near-end maintaining is not needed, maintenance cost is saved.
The structural representation for the access point that Fig. 3 provides for one embodiment of the invention, the access point is performs the host UAP of above method embodiment, therefore its specific executive mode may refer to embodiment of the method, not repeat herein.As shown in figure 3, the access point includes：Starting module 301 and communication module 302.Wherein, starting module 301, which is used to receive, starts forwarding information, and forwarding capability, the host UAP as the first UAP are started according to forwarding information is started.Communication module 302 is used for the communication message for forwarding the first UAP and network side.
Under a kind of embodiment, starting module 301 includes：Receiving unit, for receiving the startup forwarding information that the first UAP is sent, the startup forwarding information is that the UAP information that the first UAP is obtained ahead of time according to it selects this access point to be the information sent after host UAP.
Further, the access point can also include：Module is obtained, for obtaining UAP information, the UAP information is transmitting link-state information, including：IP address, IMSI and APEI inside and outside IP address, tunnel.
On the basis of above-mentioned embodiment, the acquisition module can include：Probe unit and obtaining unit.Other UAP that probe unit therein is used for into the adjacent address field of IP address send the probe requests message；If obtaining module is used for the detection response message that probe unit receives other UAP, asked to other UAP acquisitions for sending UAP information, and receive the transmitting link-state information of other UAP replies.
Further, the acquisition module can also include：The transmitting link-state information of other UAP after updating is carried in updating block, the notification message for receiving other UAP transmissions, the notification message；And other UAP preserved according to the information updating itself after being updated in the notification message transmitting link-state information.
Under another embodiment, the access point can also include：Handover module, if the CPU usage for this access point exceedes preset value, sends handover information to the first UAP, the handover information is used to cause the first UAP to reselect host UAP according to the handover information.
Under another embodiment, starting module 301 includes：Receiving unit, the startup forwarding information for receiving network side HMS transmissions, the startup forwarding information is that HMS detects the letter sent after preparatory condition is set up certainly
Further, starting module 301 can also include：Transmitting element, for sending hosted information to the first UAP, for notifying its host UAP of the first UAP to be this access point itself.
The structural representation for the access point that Fig. 4 provides for another embodiment of the present invention, the access point is performs the first UAP of above method embodiment, therefore its specific executive mode may refer to embodiment of the method, does not praise and states herein.As shown in figure 4, the access point includes：Selecting module 401 and communication module 402.Wherein, selecting module 401 is used for when meeting preparatory condition, selects the 2nd UAP to be host UAP according to the UAP information being obtained ahead of time, and sends startup forwarding information to the 2nd UAP;Communication module 402 is used for the communication message that this access point and network side are forwarded by the 2nd UAP.
Under a kind of embodiment, the access point can also include：Obtain module, the probe requests message is sent for other UAP into the adjacent address field of IP address, if receiving other UAP detection response message, asked to other UAP acquisitions for sending UAP information, and receive the transmitting link-state information of other UAP replies.
Under another embodiment, the access point can also include：The transmitting link-state information of other UAP after updating is carried in update module, the notification message for receiving other UAP transmissions, the notification message；Other UAP preserved according to the information updating itself after being updated in the notification message transmission link state letter is certainly
On the basis of above-described embodiment, the access point can also include：Gravity treatment module.Under a kind of mode, gravity treatment module is used to receive the handover information that the 2nd UAP is sent, according to handover information gravity treatment host UAP.Under another way, gravity treatment module is used to detect whether the heartbeat between this access point itself and the 2nd UAP is retransmitted overtime, if overtime, reselects host UAP.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can be completed by the related hardware of programmed instruction, foregoing program can be stored in a computer read/write memory medium, the program upon execution, performs the step of including above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.
Device embodiment described above is only schematical, the unit wherein illustrated as separating component can be or may not be physically separate, the part shown as unit can be or may not be physical location, a place can be located at, or can also be distributed at least two NEs.Some or all of module therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.Those of ordinary skill in the art are not in the case where paying performing creative labour, you can to understand and implement.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (26)
- Claim1st, a kind of method for changing communication link, it is characterised in that including：When meeting preparatory condition, the second access point UAP of normal work, which is received, starts forwarding information, starts the forwarding capability of the 2nd UAP, the host UAP as the first UAP according to the startup forwarding information;2nd UAP forwards the communication message of the first UAP and network side.2nd, according to the method described in claim 1, it is characterised in that the 2nd UAP, which receives startup forwarding information, to be included：2nd UAP receives the startup forwarding information that the first UAP is sent, and the startup forwarding information is that the UAP information that the first UAP is obtained ahead of time according to it selects the 2nd UAP to be the information for being sent to the 2nd UAP after host UAP.3rd, method according to claim 1 or 2, it is characterised in that the 2nd UAP is received before starting forwarding information, and methods described also includes：2nd UAP obtains UAP information, and the UAP information is transmitting link-state information, including：IP address, tunnel IP address of internal network, international mobile subscriber identity IMSI and product identification APEI.4th, method according to claim 3, it is characterised in that the 2nd UAP, which obtains UAP information, to be included：Text；If the 2nd UAP receives other UAP detection response message, asked to other described UAP acquisitions for sending UAP information, and receive the transmitting link-state information that other described UAP are replied.5th, method according to claim 3, it is characterised in that the 2nd UAP, which obtains UAP information, also to be included：Receive the transmitting link-state information that other UAP after updating are carried in the notification message of other UAP transmissions, the notification message；Other UAP preserved according to the information updating itself after being updated in the notification message transmitting link-state information.6th, according to the method described in claim 1, it is characterised in that if the CPU of the 2nd UAP Occupancy exceedes preset value, and methods described also includes：2nd UAP sends handover information to the first UAP, and the handover information is used for the first UAP according to the handover information gravity treatment host UAP.7th, according to the method described in claim 1, it is characterised in that the 2nd UAP, which receives startup forwarding information, to be included：2nd UAP receives the startup forwarding information that network side UAP management systems HMS is sent, and the startup forwarding information is that the HMS detects the information that the 2nd UAP is sent to after the preparatory condition is set up.8th, method according to claim 7, it is characterised in that after the forwarding capability according to the startup forwarding information startup the 2nd UAP, methods described also includes：2nd UAP sends host's message to the first UAP, and host's message is same as notifying described its host UAP of first UAP to be the 2nd UAP.9th, method according to claim 7, it is characterised in that the transmission of the startup forwarding information is triggering manually or automatic triggering.10th, method according to any one of claim 1 to 9, it is characterised in that the preparatory condition is：The communication link fails of first UAP and network side；Or, the remaining life cycle of the first UAP is less than or equal to preset value；Or, the first UAP receives the order of change communication link.11st, a kind of method for changing communication link, it is characterised in that including：When meeting preparatory condition, the first access point UAP selects the 2nd UAP to be host UAP according to the UAP information being obtained ahead of time, and sends startup forwarding information to the 2nd UAP;The communication message of the first UAP and network side is forwarded by the 2nd UAP.12nd, method according to claim 11, it is characterised in that the UAP information is obtained in the following way：Other UAP of first UAP into the address field adjacent with own IP address send the probe requests message； If the first UAP receives other UAP detection response message, asked to other described UAP acquisitions for sending UAP information, and receive the transmitting link-state information that other described UAP are replied.13rd, method according to claim 12, it is characterised in that methods described also includes：First UAP receives the transmitting link-state information that other UAP after updating are carried in the notification message of other UAP transmissions, the notification message；Other UAP preserved according to the information updating itself after being updated in the notification message transmitting link-state information.14th, the method according to any one of claim 11 to 13, it is characterised in that methods described also includes：First UAP receives the handover information that the 2nd UAP is sent；According to the handover information gravity treatment host UAP.15th, the method according to any one of claim 11 to 13, it is characterised in that methods described also includes：First UAP detect its heartbeat between the 2nd UAP retransmit whether time-out；If overtime, host UAP is reselected.16th, a kind of access point, it is characterised in that including：Starting module, forwarding information is started for receiving, and forwarding capability, the host UAP as the first UAP are started according to the startup forwarding information;Communication module, the communication message for forwarding the first UAP and network side.17th, access point according to claim 16, it is characterised in that the starting module includes：Receiving unit, for receiving the startup forwarding information that the first UAP is sent, the startup forwarding information is that the UAP information that the first UAP is obtained ahead of time according to it selects this access point to be the information sent after host UAP.18th, the access point according to claim 16 or 17, it is characterised in that also include：Module is obtained, for obtaining UAP information, the UAP information is transmitting link-state information, including：IP address, tunnel IP address of internal network, international mobile subscriber identity IMSI and product identification APEI.19th, access point according to claim 18, it is characterised in that the acquisition module includes： Probe unit, the probe requests message is sent for other UAP into the address field adjacent with own IP address；Obtaining unit, if receiving other UAP detection response message for the probe unit, is asked, and receive the transmitting link-state information that other described UAP are replied to other described UAP acquisitions for sending UAP information.20th, access point according to claim 18, it is characterised in that the acquisition module also includes：The transmitting link-state information of other UAP after updating is carried in updating block, the notification message for receiving other UAP transmissions, the notification message；Other UAP preserved according to the information updating itself after being updated in the notification message transmitting link-state information.21st, access point according to claim 16, it is characterised in that also include：Handover module, if the CPU usage for this access point exceedes preset value, sends handover information to the first UAP, the handover information is used to cause the first UAP according to the handover information gravity treatment host UAP.22nd, access point according to claim 16, it is characterised in that the starting module includes：Receiving unit, the startup forwarding information for receiving network side UAP management systems HMS transmissions, the startup forwarding information is that the HMS detects the information sent after the preparatory condition is set up.23rd, access point according to claim 22, it is characterised in that the starting module also includes：Transmitting element, for sending hosted information to the first UAP, for notifying described its host UAP of first UAP to be this access point.24th, a kind of access point, it is characterised in that including：Selecting module, for when meeting preparatory condition, selecting the 2nd UAP to be host UAP according to the access point UAP information being obtained ahead of time, and sends startup forwarding information to the 2nd UAP;Communication module, for forwarding the communication message with network side by the 2nd UAP.25th, access point according to claim 24, it is characterised in that also include：Module is obtained, the probe requests message is sent for other UAP into the address field adjacent with own IP address；If receiving other UAP detection response message, asked to other described UAP acquisitions for sending UAP information, and receive the transmitting link-state information that other described UAP are replied. 26th, access point according to claim 25, it is characterised in that also include：The transmitting link-state information of other UAP after updating is carried in update module, the notification message for receiving other UAP transmissions, the notification message；Other UAP preserved according to the information updating itself after being updated in the notification message transmitting link-state information.27th, the access point according to any one of claim 24 to 26, it is characterised in that also include：Gravity treatment module, for receiving the handover information that the 2nd UAP is sent；According to the handover information gravity treatment host UAP.28th, the access point according to any one of claim 24 to 26, it is characterised in that also include：Gravity treatment module, for detect its heartbeat between the 2nd UAP retransmit whether time-out；If overtime, host UAP is reselected.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/073185 WO2011110125A2 (en) | 2011-04-22 | 2011-04-22 | Method and access point for changing communication link |
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| Publication Number | Publication Date |
|---|---|
| CN102845107A true CN102845107A (en) | 2012-12-26 |
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| CN (1) | CN102845107A (en) |
| WO (1) | WO2011110125A2 (en) |
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| CN102546403B (en) * | 2011-12-27 | 2014-12-10 | 华为技术有限公司 | Method for transmitting message and small base station |
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| CN101146045A (en) * | 2007-10-11 | 2008-03-19 | 杭州华三通信技术有限公司 | Radio LAN and its access method and access device |
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| WO2011110125A2 (en) | 2011-09-15 |
| WO2011110125A3 (en) | 2012-04-19 |
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