CN103813298B

CN103813298B - Backhaul network load bearing management method and equipment

Info

Publication number: CN103813298B
Application number: CN201210447503.4A
Authority: CN
Inventors: 任亚珍
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2012-11-09
Filing date: 2012-11-09
Publication date: 2017-06-06
Anticipated expiration: 2032-11-09
Also published as: CN103813298A; WO2014071881A1

Abstract

The embodiment of the present invention provides a kind of backhaul network load bearing management method and equipment, and the backhaul network load bearing management method includes：First network equipment receives the Attach Request message for carrying device parameter, whether the user equipment that request attachment is judged according to device parameter is backhaul node, if, then sent to second network equipment and create conversation request message, wherein, the mark of international mobile subscriber identity, the mark of default bearing and at least two dedicated bearers is carried in establishment conversation request message, so that second network equipment sets up default bearing and at least two dedicated bearers according to the mark of the default bearing created in conversation request message and the backhaul node that is designated of at least two dedicated bearers.Backhaul network load bearing management method provided in an embodiment of the present invention and equipment, backhaul network load bearing management method provided in an embodiment of the present invention and equipment, reduce to access the time that the user equipment of backhaul node provides service, reduce system signaling expense.

Description

Backhaul network load bearing management method and equipment

Technical field

The present embodiments relate to the communication technology, more particularly to a kind of backhaul network load bearing management method and equipment.

Background technology

With the development of wireless communication system, it is desirable to data rate and broader MPS process higher, and both is past Past is contradiction.A solution of prior art is to set backhaul node between base station and user to be used to transmit data and control Information processed, to realize high data rate and expand area coverage, improves group's mobility and cell edge covering, and Extended Cell Cover and realize that blind area covers.

User equipment can directly pass through base station access network network, it is also possible to by backhaul node and base station access network network, use Family equipment or backhaul node set up default bearing with network side equipment first, and network side equipment is set further according to service needed by user It is standby to ask or actively initiate the flow that dynamic is set up and changes dedicated bearer.Due to the number of user equipment serviced under backhaul node Greatly, loading establishing process repeatedly is necessarily increased to access the time that the user equipment of backhaul node provides service, together When bring larger system signaling expense.

The content of the invention

The embodiment of the present invention provides a kind of backhaul network load bearing management method and equipment, to be reduced to access backhaul node User equipment provides the time of service, reduces system signaling expense.

In a first aspect, the embodiment of the present invention provides a kind of backhaul network load bearing management method, including：

First network equipment receives the Attach Request message for carrying device parameter, wherein, the device parameter is used to mark Know user equipment, the device parameter includes international mobile subscriber identity；

The first network equipment judges whether the user equipment of request attachment is backhaul node according to the device parameter, If so, then sent to second network equipment that conversation request message is created, wherein, carried in the establishment conversation request message The mark of international mobile subscriber identity, the mark of default bearing and at least two dedicated bearers is stated, so that second network The mark and the mark of at least two dedicated bearer of the default bearing of the equipment in the establishment conversation request message Know for the backhaul node sets up the default bearing and at least two dedicated bearer.

In the first possible implementation, the device parameter also includes that it is backhaul to be used to indicate the user equipment The identity configured information of node；

The first network equipment judges whether the user equipment of request attachment is backhaul node according to the device parameter, Specially：

If the first network equipment recognizes the device parameter includes the identity configured information, according to described International mobile subscriber identity obtains the CAMEL-Subscription-Information of the user equipment, the identity is indicated according to the CAMEL-Subscription-Information believe Breath is verified, if being proved to be successful, the user equipment is backhaul node.

With reference to the first possible implementation of first aspect or first aspect, in second possible implementation In, the mark and described at least two of the default bearing of second network equipment in the establishment conversation request message The backhaul node that is designated of individual dedicated bearer is set up after the default bearing and at least two dedicated bearer, described Method also includes：

The first network equipment sends the session of the mark for carrying the default bearing to second network equipment Removal request, so that the mark of the default bearing of second network equipment in the session removal request deletes institute State default bearing and all dedicated bearers corresponding with the default bearing.

Second aspect, the embodiment of the present invention provides a kind of backhaul network load bearing management method, including：

Second network equipment receives the establishment conversation request message that first network equipment sends, wherein, the establishment session The international mobile subscriber identity of backhaul node, the mark of default bearing and at least two dedicated bearers are carried in request message Mark；

The mark of the default bearing of second network equipment in the establishment conversation request message and described The backhaul node that is designated of at least two dedicated bearers sets up the default bearing and at least two dedicated bearer.

In the first possible implementation, second network equipment is according in the establishment conversation request message The mark of the default bearing and the backhaul node that is designated of at least two dedicated bearer set up the default bearing After at least two dedicated bearer, methods described also includes：

Second network equipment receives the data request information for carrying the international mobile subscriber identity, is judged as Whether the quantity of the dedicated bearer that the corresponding backhaul node of the international mobile subscriber identity is set up reaches higher limit, if it is not, Then determine the mark of dedicated bearer to be set up, the backhaul node that is designated according to the dedicated bearer to be set up is set up Dedicated bearer, wherein, the quantity of the dedicated bearer to be set up is more than 1 and less than or equal to the higher limit.

With reference to the first possible implementation of second aspect or second aspect, in second possible implementation In, the mark and described at least two of the default bearing of second network equipment in the establishment conversation request message The backhaul node that is designated of individual dedicated bearer is set up after the default bearing and at least two dedicated bearer, described Method also includes：

Second network equipment receives the mark for carrying the default bearing that the first network equipment sends Session removal request, the mark of the default bearing in the session removal request delete the default bearing and with The corresponding all dedicated bearers of the default bearing.

With reference to the first possible implementation of second aspect or second aspect, in the third possible implementation In, the mark and described at least two of the default bearing of second network equipment in the establishment conversation request message The backhaul node that is designated of individual dedicated bearer is set up after the default bearing and at least two dedicated bearer, described Method also includes：

Second network equipment is monitored to each dedicated bearer at least two dedicated bearer, if pre- If there is no business data transmission in time range on the dedicated bearer, then the dedicated bearer is deleted.

In the 4th kind of possible implementation, it is special that the establishment conversation request message also carries described at least two Carry corresponding QoS parameter respectively；

The mark of the default bearing of second network equipment in the establishment conversation request message and described The backhaul node that is designated of at least two dedicated bearers sets up the default bearing and at least two dedicated bearer, tool Body is：

Second network equipment by it is described establishment conversation request message in the default bearing mark, it is described at least Corresponding QoS parameter is added to carrying mapping to the mark and at least two dedicated bearer of two dedicated bearers respectively In table, the carrying mapping table is sent to the backhaul node by the first network equipment, to cause the backhaul section Corresponding QoS parameter carries out carrying and reflects at least two dedicated bearer of the point in the carrying mapping table respectively Penetrate.

The third aspect, the embodiment of the present invention provides a kind of first network equipment, including：

Receiving unit, the Attach Request message of device parameter is carried for receiving, wherein, the device parameter is used to mark Know user equipment, the device parameter includes international mobile subscriber identity；

First request unit, is connected with the receiving unit, the use for judging request attachment according to the device parameter Whether family equipment is backhaul node, if so, then sent to second network equipment that conversation request message is created, wherein, the establishment The international mobile subscriber identity, the mark of default bearing and at least two dedicated bearers are carried in conversation request message Mark, so that the mark of the default bearing of second network equipment in the establishment conversation request message and described The backhaul node that is designated of at least two dedicated bearers sets up the default bearing and at least two dedicated bearer.

If first request unit includes the identity configured information specifically for recognizing the device parameter, The CAMEL-Subscription-Information of the user equipment is obtained according to the international mobile subscriber identity, according to the CAMEL-Subscription-Information to the body Part configured information is verified, if being proved to be successful, the user equipment is backhaul node.

With reference to the first possible implementation of the third aspect or the third aspect, in second possible implementation In, the first network equipment also includes：

Second request unit, the session for sending the mark for carrying the default bearing to second network equipment Removal request, so that the mark of the default bearing of second network equipment in the session removal request deletes institute State default bearing and all dedicated bearers corresponding with the default bearing.

Fourth aspect, the embodiment of the present invention provides a kind of second network equipment, including：

Receiving unit, the establishment conversation request message for receiving the transmission of first network equipment, wherein, the establishment session The international mobile subscriber identity of backhaul node, the mark of default bearing and at least two dedicated bearers are carried in request message Mark；

First processing units, are connected with the receiving unit, for according in the establishment conversation request message The mark of default bearing and the backhaul node that is designated of at least two dedicated bearer set up the default bearing and institute State at least two dedicated bearers.

In the first possible implementation, the second described network equipment also includes：

Second processing unit, the data request information of the international mobile subscriber identity is carried for receiving, and is judged For whether the quantity of the dedicated bearer of the corresponding backhaul node foundation of the international mobile subscriber identity reaches higher limit, if It is no, it is determined that the mark of dedicated bearer to be set up, the backhaul node is designated according to the dedicated bearer to be set up Dedicated bearer is set up, wherein, the quantity of the dedicated bearer to be set up is more than 1 and less than or equal to the higher limit.

With reference to the first possible implementation of fourth aspect or fourth aspect, in second possible implementation In, second network equipment also includes：

First deleting load-bearing unit, for receiving the mark for carrying the default bearing that the first network equipment sends The session removal request of knowledge, the mark of the default bearing in the session removal request delete the default bearing with And all dedicated bearers corresponding with the default bearing.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the third possible implementation In, second network equipment also includes：

Second deleting load-bearing unit, for being monitored to each dedicated bearer at least two dedicated bearer, If there is no business data transmission on the dedicated bearer in preset time range, the dedicated bearer is deleted.

The first processing units specifically for by it is described establishment conversation request message in the default bearing mark, Corresponding QoS parameter is added to respectively for the mark of at least two dedicated bearer and at least two dedicated bearer Carry in mapping table, the carrying mapping table is sent to the backhaul node by the first network equipment, to cause institute Corresponding QoS parameter enters respectively to state at least two dedicated bearer of the backhaul node in the carrying mapping table Row carries mapping.

5th aspect, the present invention provides a kind of backhaul network load bearing management method, including：

Second network equipment receives the establishment conversation request message that first network equipment sends, wherein, the establishment session Carried in request message for the international mobile subscriber identity, identity configured information and the default bearing that identify user equipment Mark, it is backhaul node that the identity configured information is used to indicate the user equipment；

Described in being designated of the default bearing of second network equipment in the establishment conversation request message Backhaul node sets up the default bearing；

Second network equipment is reached or received in the downlink data of the conventional equipment accessed by the backhaul node During the data request information initiated to the conventional equipment, it is determined that corresponding at least two dedicated bearers of the backhaul node Mark, the backhaul node that is designated according at least two dedicated bearer sets up at least two dedicated bearer.

In the first possible implementation, mark of second network equipment according at least two dedicated bearer Know for the backhaul node is set up after at least two dedicated bearer, methods described also includes：

In second possible implementation, mark of second network equipment according at least two dedicated bearer Know for the backhaul node is set up after at least two dedicated bearer, methods described also includes：

With reference to the first or second possible implementation of the 5th aspect or the 5th aspect, in the third possible reality In existing mode, second network equipment is designated described in the backhaul node sets up according at least two dedicated bearer At least two dedicated bearers, specially：

Second network equipment obtains at least two dedicated bearer and distinguishes corresponding QoS parameter, will be described Corresponding QoS parameter is added to carrying respectively for the mark of at least two dedicated bearers and at least two dedicated bearer In mapping table, the carrying mapping table is sent to the backhaul node by the first network equipment, to cause described returning Corresponding QoS parameter is held at least two dedicated bearers of the Cheng Jiedian in the carrying mapping table respectively Carry mapping.

6th aspect, the present invention provides a kind of second network equipment, including：

Receiving unit, the establishment conversation request message for receiving the transmission of first network equipment, wherein, the establishment session Carried in request message for the international mobile subscriber identity, identity configured information and the default bearing that identify user equipment Mark, the identity configured information is backhaul node to instruction user equipment；

First processing units, are connected with the receiving unit, for according in the establishment conversation request message The backhaul node that is designated of default bearing sets up the default bearing；

Second processing unit, for reaching or receiving in the downlink data of the conventional equipment accessed by the backhaul node During the data request information initiated to the conventional equipment, it is determined that corresponding at least two dedicated bearers of the backhaul node Mark, the backhaul node that is designated according at least two dedicated bearer sets up at least two dedicated bearer.

In the first possible implementation, second network equipment also includes：

In second possible implementation, second network equipment also includes：

With reference to the first or second possible implementation of the 6th aspect or the 6th aspect, in the third possible reality In existing mode, the second processing unit distinguishes corresponding service quality ginseng specifically for obtaining at least two dedicated bearer Number, by the mark of at least two dedicated bearer and at least two dedicated bearer, corresponding QoS parameter adds respectively It is added in carrying mapping table, the carrying mapping table is sent to the backhaul node by the first network equipment, so that Obtain at least two dedicated bearer of the backhaul node in the carrying mapping table and distinguish corresponding service quality ginseng Number carries out carrying mapping.

As shown from the above technical solution, backhaul network load bearing management method provided in an embodiment of the present invention and equipment, first The network equipment receives the Attach Request message for carrying device parameter, wherein, device parameter is used to identify user equipment, equipment ginseng Number includes international mobile subscriber identity, and whether the user equipment that request attachment is judged according to device parameter is backhaul node, if It is then to be sent to second network equipment and create conversation request message, wherein, carry international movement in establishment conversation request message The mark of CUSTOMER ID, the mark of default bearing and at least two dedicated bearers, so that second network equipment is according to establishment meeting Words request message in default bearing mark and at least two dedicated bearers be designated backhaul node set up default bearing and At least two dedicated bearers.By the differentiation of backhaul node and the identity of conventional equipment, in backhaul node access networks network, to return Cheng Jiedian sets up default bearing and at least two dedicated bearers simultaneously, when the conventional equipment quantity accessed by backhaul node is more When, it is to avoid set up repeatedly carry cause to access the growth that the conventional equipment of backhaul node provides the time for servicing, Also system signaling expense is reduced.

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, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are this hairs Some bright embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the first backhaul network load bearing management method flow chart provided in an embodiment of the present invention；

Fig. 2 is second backhaul network load bearing management method flow chart provided in an embodiment of the present invention；

Fig. 3 is the third backhaul network load bearing management method flow chart provided in an embodiment of the present invention；

Fig. 4 is backhaul node attaching process signaling diagram provided in an embodiment of the present invention；

Fig. 5 is the 4th kind of backhaul network load bearing management method flow chart provided in an embodiment of the present invention；

Fig. 6 sets up signaling diagram for dedicated bearer provided in an embodiment of the present invention；

Fig. 7 is a kind of deleting load-bearing signaling diagram provided in an embodiment of the present invention；

Fig. 8 is another deleting load-bearing signaling diagram provided in an embodiment of the present invention；

Fig. 9 is the 5th kind of backhaul network load bearing management method flow chart provided in an embodiment of the present invention；

Figure 10 is the 6th kind of backhaul network load bearing management method flow chart provided in an embodiment of the present invention；

Figure 11 is the first first network device structure schematic diagram provided in an embodiment of the present invention；

Figure 12 is second first network device structure schematic diagram provided in an embodiment of the present invention；

Figure 13 is the first second network equipment infrastructure schematic diagram provided in an embodiment of the present invention；

Figure 14 is second provided in an embodiment of the present invention second network equipment infrastructure schematic diagrames；

Figure 15 is the third the second network equipment infrastructure schematic diagram provided in an embodiment of the present invention；

Figure 16 is the 4th kind of second network equipment infrastructure schematic diagram provided in an embodiment of the present invention；

Figure 17 is the third first network device structure schematic diagram provided in an embodiment of the present invention；

Figure 18 is the 5th kind of second network equipment infrastructure schematic diagram provided in an embodiment of the present invention；

Figure 19 is the 6th kind of second network equipment infrastructure schematic diagram provided in an embodiment of the present invention.

Specific embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.

Fig. 1 is the first backhaul network load bearing management method flow chart provided in an embodiment of the present invention.As shown in figure 1, this The backhaul network load bearing management method that embodiment is provided specifically can apply to the carrying of the communication system for being provided with backhaul network Management process.The communication system is specifically as follows LTE (Long TermEvolution, Long Term Evolution) communication systems or UMTS (Universal Mobile TelecommunicationsSystem, UMTS), be with LTE communication system Example, LTE communication system can specifically include grouped data network gateway (Packet Data Network Gateway, abbreviation PDN GW), gateway (Serving Gateway, abbreviation Serving GW), mobility management entity (MobilityManagement Entity, abbreviation MME), base station (evolved Node B, abbreviation eNB) and backhaul node etc.. In a communications system, normal user equipments (hereinafter referred to as conventional equipment) can access core by access network and backhaul network Network, i.e. conventional equipment are via backhaul node and eNB Access Core Networks.Backhaul network and access network can using identical or Different frequencies and standard, for example, backhaul network uses LTE TDD (time-division duplex, time division duplex) conduct Backhaul transport, access network can (Global System ofMobile communication, the whole world be mobile logical using GSM Letter system), UMTS, Wi-Fi (Wireless Fidelity, Wireless Fidelity) and LTE FDD (Frequency DivisionDuplexing, full duplex) one or more standards in/TDD, backhaul network is access network transparent transmission number of users According to.Conventional equipment can also directly pass through eNB Access Core Networks.

The backhaul network load bearing management method that the present embodiment is provided is specifically included：

Step A10, first network equipment receive the Attach Request message for carrying device parameter, wherein, the equipment ginseng Number includes international mobile subscriber identity for identifying user equipment, the device parameter；

Specifically, attachment flow is initiated during user equipment access network, the user equipment is specifically as follows conventional equipment Can be backhaul node, user equipment sends Attach Request message, taken in the Attach Request message to the network equipment of network side With device parameter, device parameter specifically can be used for identifying user equipment, and device parameter includes international mobile subscriber identity (International Mobile SubscriberIdentification Number, abbreviation IMSI).If initiating attachment stream The user equipment of journey is backhaul node, then can also include identity configured information in the device parameter, and the identity configured information can To indicate the user equipment as backhaul node.

In LTE communication system, MME can realize first network equipment, certainly, in other communication systems, the first net Network equipment can be realized using the network element of similar functions.By taking LTE communication system as an example, first network equipment receives attach request The process of message is specifically as follows：User equipment sends Attach Request message to eNB, and be sent to for the Attach Request message by eNB MME, i.e. first network equipment.

Step A20, the first network equipment according to the device parameter judge request attachment user equipment whether be Backhaul node, if so, then sent to second network equipment that conversation request message is created, wherein, the establishment conversation request message In carry the mark of the international mobile subscriber identity, the mark of default bearing and at least two dedicated bearers so that institute State the mark of the default bearing of second network equipment in the establishment conversation request message and described at least two special The default bearing and at least two dedicated bearer are set up with the backhaul node that is designated for carrying.

Specifically, first network equipment judges whether the user equipment of request attachment is backhaul node according to device parameter Mode can have various：

In one implementation, if the user equipment of request attachment is backhaul node, device parameter refers to including identity Show information and IMSI, if the user equipment of request attachment is conventional equipment, identity configured information is not included in facility information.The If a network equipment recognizes device parameter when including identity configured information, the CAMEL-Subscription-Information of the user equipment is obtained, if should CAMEL-Subscription-Information also indicates that the identity of the user equipment is backhaul node, then be proved to be successful, and the user equipment is backhaul node, if testing Card failure, then refuse user equipment access.CAMEL-Subscription-Information can be specifically stored in home subscriber server (Home SubscriberServer, abbreviation HSS) in, first network equipment can be inquired about HSS by IMSI to be set with obtaining user Standby CAMEL-Subscription-Information, it is also possible to IMSI is directly sent to HSS, HSS is authenticated by IMSI to user equipment, returns to the use The identity configured information of family equipment, first network equipment refers to the identity that the identity configured information in device parameter and HSS are returned Show that information is compared, if unanimously, the user equipment is backhaul node, if inconsistent, refuse user equipment access.

In second implementation, no matter user equipment is backhaul node or conventional equipment, in the device parameter all Do not include identity configured information, the CAMEL-Subscription-Information stored in HSS includes identity configured information.First network equipment can be from The corresponding CAMEL-Subscription-Information of IMSI is obtained in HSS, according to the identity of the CAMEL-Subscription-Information identifying user equipment.

In the third implementation, a field can be set in IMSI and be used to indicate the identity of the user equipment, Then first network equipment can recognize the identity of the user equipment according to the field in the IMSI.

It is understood that those skilled in the art can also realize knowing the identity of user equipment by other means Not, it is not limited with the present embodiment.

If the user equipment for asking attachment is conventional equipment, can be according to the carrying to conventional equipment of the prior art Management process is processed.

If the user equipment for asking attachment is backhaul node, first network equipment sends to second network equipment and creates meeting Words request message, the IMSI, the mark of default bearing and at least two dedicated bearers are carried in establishment conversation request message Mark, second network equipment is designated the corresponding backhaul sections of IMSI according to the mark of default bearing and at least two dedicated bearers Point sets up default bearing and at least two dedicated bearers.In actual applications, can be the dedicated bearer number of backhaul node foundation Measurer has higher limit, such as 8.Then in the attachment flow of backhaul node, can for backhaul node simultaneously set up default bearing and All of dedicated bearer, or for backhaul node sets up default bearing and part dedicated bearer, the quantity of the part dedicated bearer It is at least two.

In LTE communication system, PDN GW can realize second network equipment, certainly, in other communication systems, second The network equipment can be realized using the network element of similar functions.By taking LTE communication system as an example, first network equipment is to the second network The process that equipment sends establishment conversation request message is specifically as follows：MME sends to Serving GW and creates conversation request message, The conversation request message is sent to PDN GW by Serving GW again.

Second network equipment is set up according to the mark of default bearing and the backhaul node that is designated of at least two dedicated bearers Corresponding default bearing and dedicated bearer.It is common when having after carrying between backhaul node and second network equipment is successfully established When equipment accesses backhaul node, backhaul node sets up the carrying with conventional equipment, when conventional equipment sends upstream data, backhaul Node can be according to the type of the upstream data or service quality (Quality of Service, abbreviation QoS) by backhaul node Carrying between conventional equipment is mapped in the carrying between backhaul node and second network equipment, to realize upstream data Transmission.When the downlink data corresponding to the conventional equipment reaches second network equipment, second network equipment is also dependent on descending The type or QoS of data are sent to backhaul node by the carrying between backhaul node, and backhaul node is again by the downlink data Conventional equipment is sent to by the carrying between conventional equipment.

In actual applications, if conventional equipment and backhaul node simultaneously access network when, first network equipment can be preferential Perform the loading establishing process of backhaul node.

The backhaul network load bearing management method that the present embodiment is provided, first network equipment is received and carries the attached of device parameter Request message, wherein, device parameter is used to identify user equipment, and device parameter includes international mobile subscriber identity, according to Device parameter judges whether the user equipment of request attachment is backhaul node, if so, then sent to second network equipment creating meeting Words request message, wherein, to create and carry international mobile subscriber identity, the mark of default bearing and extremely in conversation request message Few two marks of dedicated bearer so that second network equipment according to the mark for creating the default bearing in conversation request message and The backhaul node that is designated of at least two dedicated bearers sets up default bearing and at least two dedicated bearers.By backhaul node and The differentiation of the identity of conventional equipment, is backhaul node while setting up default bearing and at least two in backhaul node access networks network Individual dedicated bearer, when the conventional equipment quantity accessed by backhaul node is more, it is to avoid set up repeatedly carry cause be The conventional equipment for accessing backhaul node provides the growth of the time for servicing, and also reduces system signaling expense.

In the present embodiment, the device parameter also includes that the identity for being used to indicate the user equipment to be backhaul node refers to Show information；

Step A20, the first network equipment according to the device parameter judge request attachment user equipment whether be Backhaul node, is specifically as follows：

Fig. 2 is second backhaul network load bearing management method flow chart provided in an embodiment of the present invention.As shown in Fig. 2 In the present embodiment, second network equipment is according to the mark for creating the default bearing in conversation request message and institute The backhaul node that is designated for stating at least two dedicated bearers sets up the default bearing and at least two dedicated bearer Afterwards, methods described also includes：

Step A30, the first network equipment send the mark for carrying the default bearing to second network equipment The session removal request of knowledge, so that the mark of the default bearing of second network equipment in the session removal request Know and delete the default bearing and all dedicated bearers corresponding with the default bearing.

Specifically, when backhaul node leaves network or closes backhaul function, backhaul node can actively initiate to leave Request, or leave flow by what first network equipment or HSS initiated backhaul node.First network equipment is to second network equipment Session removal request is sent, the mark of the default bearing corresponding to the backhaul node, the second net are carried in session removal request Network equipment deletes the default bearing and all of dedicated bearer of default bearing correspondence.

By taking LTE communication system as an example, when backhaul node actively initiates to leave request, backhaul node sends to eNB and leaves Request message, eNB will leave request message and be sent to MME, and MME sends session removal request, Serving to Serving GW The session removal request is sent to PDN GW by GW, and PDN GW delete the whole carryings corresponding to the backhaul node.

All carryings of the backhaul node are kept in the whole life process of backhaul node access networks network, in backhaul node When leaving or closing backhaul function, just by all deleting load-bearings, it is also possible to avoid in the prior art, as long as not having in dedicated bearer Have data transfer will the dedicated bearer delete cause by the backhaul node access conventional equipment there is user's industry again The drawbacks of need to re-establishing dedicated bearer during business and increase service provisioning time, also further reducing can system signaling expense.

Fig. 3 is the third backhaul network load bearing management method flow chart provided in an embodiment of the present invention.As shown in figure 3, this The backhaul network load bearing management method that embodiment is provided specifically can apply to the carrying of the communication system for being provided with backhaul network Management process, the method that the present embodiment is provided can coordinate with the backhaul network load bearing management method for being applied to first network equipment Realize, the process of implementing will not be repeated here.The communication system is specifically as follows LTE (Long Term Evolution, length Phase evolution) communication system or UMTS (Universal Mobile Telecommunications SVstem, universal mobile communications System), by taking LTE communication system as an example, LTE communication system can specifically include grouped data network gateway (Packet DataNetwork Gateway, abbreviation PDN GW), it is gateway (Serving Gateway, abbreviation ServingGW), mobile Property management entity (Mobility Management Entity, abbreviation MME), base station (evolved Node B, abbreviation eNB) and Backhaul node etc..In a communications system, normal user equipments (hereinafter referred to as conventional equipment) can be by access network and backhaul Network insertion core network, i.e. conventional equipment are via backhaul node and eNB Access Core Networks.Backhaul network and access network can With use identical or different frequency and standard, for example, backhaul network using LTE TDD (time-division duplex, when Point duplex) as backhaul transport, access network can using GSM (Global System ofMobilecommunication, Global system for mobile communications), UMTS, Wi-Fi (Wireless Fidelity, Wireless Fidelity) and LTE FDD (Frequency Division Duplexing, full duplex) one or more standards in/TDD, backhaul network is access network transparent transmission number of users According to.Conventional equipment can also directly pass through eNB Access Core Networks.

The present embodiment provides backhaul network load bearing management method and specifically includes：

Step B10, second network equipment receive the establishment conversation request message that first network equipment sends, wherein, it is described The international mobile subscriber identity of backhaul node, the mark of default bearing and at least two are carried in establishment conversation request message The mark of dedicated bearer；

The mark of the default bearing of step B20, second network equipment in the establishment conversation request message Know and the backhaul node that is designated of at least two dedicated bearer sets up the default bearing and described at least two special With carrying.

The backhaul network load bearing management method that the present embodiment is provided, second network equipment receives what first network equipment sent Conversation request message is created, wherein, the mark of international mobile subscriber identity, default bearing is carried in establishment conversation request message Know the mark with least two dedicated bearers, it is special according to the mark for creating the default bearing in conversation request message and at least two Default bearing and at least two dedicated bearers are set up with the backhaul node that is designated for carrying.By backhaul node and conventional equipment The differentiation of identity, is backhaul node while setting up default bearing and at least two dedicated bearers in backhaul node access networks network, When the conventional equipment quantity accessed by backhaul node is more, it is to avoid set up repeatedly and carry that cause is to access backhaul node Conventional equipment provide service time growth, also reduce system signaling expense.

In the present embodiment, the establishment conversation request message also carries at least two dedicated bearer and corresponds to respectively QoS parameter；

Step B20, the mark of the default bearing of second network equipment in the establishment conversation request message Know and the backhaul node that is designated of at least two dedicated bearer sets up the default bearing and described at least two special With carrying, it is specifically as follows：

Specifically, the corresponding qos parameter of at least two dedicated bearer difference can be by EPS (Evolved Packet System, evolved packet system) Bearer QoS list (list of EPS bearer quality of service) form carry in conversation establishing In request message.This needs the QoS ginsengs of at least two dedicated bearer set up described in EPS Bearer QoS list Be added to the qos parameter of at least two dedicated bearer in carrying mapping table by number, second network equipment, by the carrying mapping table Backhaul node is sent to by first network equipment.In actual application, that recorded in carrying mapping table can also be Qos Mapping relations of the classification logotype (QoS Class Identifier, abbreviation QCI) to the mark of dedicated bearer.When there is conventional equipment When accessing backhaul node, backhaul node sets up the carrying with conventional equipment, when conventional equipment sends upstream data, backhaul node The carrying between backhaul node and conventional equipment can be mapped into backhaul node according to the Qos of upstream data to be set with the second network In carrying between standby, to realize the transmission of upstream data.For example, upstream data is IP bags, then can be according to the packet header of IP bags In DSCP (Differentiated Services Code Point, differentiated services code points) realize carry mapping.Under Row data can also be realized using similar fashion, will not be repeated here.

In actual applications, can also realize carrying mapping using other carrying mapping rulers.It is with LTE communication system Example, is backhaul node when backhaul node adheres to if the higher limit that can be the dedicated bearer quantity that backhaul node is set up is 8 Once establish default bearing and the dedicated bearer of 8.Backhaul node is via the PDN GW and OAM co-located with eNB During (Operation Administration andMaintenance, Operations, Administration and Maintenance) equipment communication, chain of command number A dedicated bearer is taken according to stream and OAM high-priority traffics, OAM low-priority data streams take a dedicated bearer, remain 6 dedicated bearers of remaininging are used for user service data stream.Backhaul node via with the PDNGW outside eNB and OAM equipment communications When, OAM priority data flow high and the low data flow of priority take a dedicated bearer respectively；User's control face data flow Take a dedicated bearer；Remaining 5 dedicated bearers are used for user service data stream.

Fig. 4 is backhaul node attaching process signaling diagram provided in an embodiment of the present invention.With reference to Fig. 4, it is with LTE communication system Example, the detailed process that foundation is carried to being triggered in backhaul node attachment flow is illustrated.

Step 1, backhaul node send Attach Request message (Attach Request) to eNB, in the Attach Request message The device parameter of backhaul node is carried, device parameter includes IMSI and identity configured information；

Step 2, eNB send Attach Request message to MME；

The device parameter of step 3, MME in Attach Request message is inquired about HSS, obtains the identity of backhaul node Configured information, authenticates with to backhaul node；

Authenticating result is fed back to backhaul node by step 4, MME；

Step 5, MME send to Serving GW and create conversation request message (Create SessionRequest), the meeting Words are set up in request and carry default bearing mark and at least two dedicated bearers mark, and Serving GW identify default bearing It is added in local EPS carrying mapping tables with least two dedicated bearers mark；

Step 6, Serving GW will create conversation request message and be sent to PDN GW, PDN GW by default bearing mark and At least two dedicated bearers mark is added in local EPS carrying mapping tables；

Step 7, PDN GW send to Serving GW and create conversational response message (Create SessionResponse), The carrying mapping table is carried in the establishment conversational response message；

Step 8, Serving GW are sent to MME by conversational response message is created；

Step 9, MME send initial context and set up request message/receiving attachment message (InitialResponse to eNB Setup Request/Attach Accept), with notify eNB as backhaul node set up EPC (Evolved Packet Core, Evolution block core) carry, the initial context is set up in request message/receiving attachment message and carries carrying mapping table；

Step 10, eNB send RRC (Radio Resource Control, wireless heterogeneous networks) and connect to backhaul node Reconfiguration message (RRC connection Reconfiguration), carries carrying and reflects in RRC connection reconfiguration messages Firing table；

Step 11, backhaul node send RRC connections and reconfigure completion message (RRC to eNB connectionReconfiguration Complete)；

Step 12, eNB send initial context and set up response message (Initial Context to MME SetupResponse)；

Step 13, backhaul node send direct-sending message (Direct Transfer) to eNB；

Step 14, eNB send attachment completion message (Attach Complete) to MME.

In above-mentioned implementation process, multiple parameters, such as IMSI, MME can be carried in establishment conversation request message TEID (Tunnel Endpoint Identifier, mobility management entity control plane Tunnel End Point Identifier) for Control plane, PDN GW address (grouped data network gateway address), APN, EPS Bearer QoS li st, APN-AMBR (Aggregate Maximum Bit Rate, amount to maximum bit rate), EPS Bearer Identity, (charging is special for Protocol Configuration Options (protocol configuration option), Charging Characteristics Property) and the Protocol Type over S5/S8 (S5/S8 interface protocol types) etc..EPS Bearer QoS list institutes Comprising qos parameter can specifically include that (Allocation and Retention Priority retain preferential for QCI, ARP Level), GBR (Guaranteed Bit Rate, it is ensured that bit rate), MBR (Maximum Bit Rate, maximum bit rate), Wherein ARP parameter includes following information：Priority (the priority level, scalar), the ability that is dominant (the pre- Emption capability, flag) and occupied giving preferential treatment to the families of the armymen and martyrs property (the pre-emptionvulnerability, flag).ARP master Whether it is used to determining whether the foundation of a carrying/modification to ask to be received, and is carried when resource-constrained and refused.Preferentially Level ensures that the request that high priority is carried preferentially is met, and when the ability of being dominant defines resource-constrained, high priority holds Whether carry has by the way that by a low priority deleting load-bearing, with the ability of the resource needed for meeting, occupied giving preferential treatment to the families of the armymen and martyrs property defines one The individual attribute for carrying the deletion that whether can be dominant by the carrying of high priority.In order to carry out area to backhaul node and domestic consumer Other bearer management, can carry higher priority for backhaul node carries to set than domestic consumer, and its specific implementation can Think and the ARP priority that backhaul node is carried is set to priority high, by the capabilities setting that is dominant in ARP for "Yes", will Occupied giving preferential treatment to the families of the armymen and martyrs property in ARP is set to "No".When PDNGW increases corresponding new bearer in local EPS carrying mapping tables, Also generation Charging IDs (carrying charging identifier), can be used for realizing the charging way that the grade of service is distinguished, and by wound Build conversational response message feedback to Serving GW.

The dedicated bearer set up before business initiation, can be one larger GBR (Guaranteed Bit of its setting Rate, it is ensured that bandwidth)/MBR (Maximum Bit Rate, maximum bandwidth), GBR represents that one carries and ensure that the band of offer Width, MBR represents that one carries the maximum bandwidth that can be provided, if data volume exceedes the value of setting after business is initiated, loses at random Abandon data or initiate bearing modification.

Fig. 5 is the 4th kind of backhaul network load bearing management method flow chart provided in an embodiment of the present invention.As shown in figure 5, In the present embodiment, step B20, the default bearing of second network equipment in the establishment conversation request message The backhaul node that is designated of mark and at least two dedicated bearer sets up the default bearing and described at least two After dedicated bearer, methods described can also include：

The request of data that step B30, second network equipment reception carry the international mobile subscriber identity disappears Breath, is judged as whether the quantity of the dedicated bearer that the corresponding backhaul node of the international mobile subscriber identity is set up reaches the upper limit Value, if not, it is determined that the mark of dedicated bearer to be set up, the backhaul is designated according to the dedicated bearer to be set up Node sets up dedicated bearer, wherein, the quantity of the dedicated bearer to be set up is more than 1 and less than or equal to the higher limit.

Specifically, in the attachment flow of backhaul node, second network equipment can to set up part special for backhaul node Carry, then when the conventional equipment for accessing backhaul node occurs customer service, then trigger remaining by sending data request information The foundation of dedicated bearer, once can all set up remaining dedicated bearer, can be in the triggering of multiple data request information It is lower to set up respectively.

Fig. 6 sets up signaling diagram for dedicated bearer provided in an embodiment of the present invention.With reference to Fig. 6, by taking LTE communication system as an example, PDN GW are after the attachment of backhaul node for the detailed process that backhaul node sets up dedicated bearer is described in detail.

Step 1, PDN GW send to Serving GW and create bearing request message (Create BearerRequest), should The mark of dedicated bearer to be set up is carried in establishment bearing request message；

Step 2, Serving GW are sent to MME by bearing request message is created；

Step 3, MME send carrying and set up request message/session management request message (BearerSetup to eNB Request/ Session Management Request)；

Step 4, eNB send RRC connection reconfiguration messages (RRC to backhaul node connectionReconfiguration)；

Step 5, backhaul node send RRC connections and reconfigure completion message (RRC to eNB connectionReconfiguration Complete)；

Step 6, eNB send carrying and set up response message (Bearer Setup Response) to MME；

Step 7, backhaul node send direct-sending message (Direct Transfer) to eNB；

Step 8, eNB send session management response message (Session ManagementResponse) to MME；

Step 9, MME send to Serving GW and create bearing response message (Create BearerResponse)；

Step 10, Serving GW send to PDN GW and create bearing response message.

In above-mentioned implementation process, PDN GW are more to that can be carried in Serving GW transmission establishment bearing request messages (Procedure Transaction Id, flow transaction ID, are served only for by UE bearing resources for individual parameter, such as IMSI, PTI Modification request activation flow), EPS Bearer QoS list, TFT (Traffic Flow Template, Business Stream mould Plate), (LinkedEPS Bearer Identity, the EPS of default bearing carry mark for S5/S8TEID, Charging Id, LBI Know) and Protocol ConfigurationOptions etc..

In the present embodiment, step B20, second network equipment is according in the establishment conversation request message The mark of default bearing and the backhaul node that is designated of at least two dedicated bearer set up the default bearing and institute State after at least two dedicated bearers, methods described can also include：

What step B40, second network equipment reception first network equipment sent carries the default bearing Mark session removal request, the mark of the default bearing in the session removal request deletes the acquiescence and holds Carry and all dedicated bearers corresponding with the default bearing.

By taking LTE communication system as an example, when backhaul node actively initiates to leave request, backhaul node sends to eNB and leaves Request message, eNB will leave request message and be sent to MME, and MME sends session removal request, Serving to Serving GW The session removal request is sent to PDN GW by GW, and PDN GW delete the whole carryings corresponding to the backhaul node.Fig. 7 is this hair A kind of deleting load-bearing signaling diagram that bright embodiment is provided.With reference to Fig. 7, carried when backhaul function is left or closed to backhaul node Deletion process be described in detail.

Step 1, backhaul node send to eNB and leave request message (Dttach Request)；

Step 2, eNB are sent to MME transmissions and leave request message；

Step 3, MME send to Serving GW and delete conversation request message (Delete SessionRequest)；

Step 4, Serving GW send deleting bearing request message (Delete BearerRequest) to PDN GW, should Carried in deleting bearing request message to should backhaul node default bearing mark；

Step 5, PDN GW send deleting bearing response message (Delete BearerResponse) to Serving GW；

Step 6, Serving GW send to MME and delete conversational response message (Delete SessionResponse)；

Step 7, MME send to eNB and leave response message (Dttach Response)；

Step 8, eNB send to backhaul node and leave response message (Dttach Response).

In the present embodiment, B20, the acquiescence of second network equipment in the establishment conversation request message Carrying mark and at least two dedicated bearer be designated the backhaul node set up the default bearing and it is described extremely After few two dedicated bearers, methods described can also include：

Step B50, second network equipment are supervised to each dedicated bearer at least two dedicated bearer Survey, if there is no business data transmission on the dedicated bearer in preset time range, delete the dedicated bearer.

Specifically, after second network equipment sets up dedicated bearer for backhaul node, you can set and correspond to this and special hold The timer of load, when the data service on the dedicated bearer stops transmission, starts the timer, sets a clock, when The foundation of the dedicated bearer is kept before clock time-out, when clock time-out, still without business data transmission on the dedicated bearer, is then deleted Except the dedicated bearer.

Fig. 8 is another deleting load-bearing signaling diagram provided in an embodiment of the present invention.With reference to Fig. 8, it is with LTE communication system Example, the detailed process to deleting the dedicated bearer when not having business data transmission on dedicated bearer in preset time range is carried out Explanation.

Step 1, PDN GW send deleting bearing request message (Delete BearerRequest) to Serving GW, should The mark of the dedicated bearer is carried in deleting bearing request message；

Step 2, Serving GW send deleting bearing request message to MME；

Step 3, MME send to eNB and deactivate bearing request message (Deactivate BearerRequest)；

Step 6, eNB send to MME and deactivate bearing response message (Deactivate BearerResponse)；

Step 7, backhaul node send direct-sending message (Direct Transfer) to eNB；

Step 8, eNB send to MME and deactivate EPS bearer context received messages (DeactivateBearer Response Accept)；

Step 9, MME send deleting bearing response message (Delete BearerResponse) to Serving GW；

Step 10, Serving GW send deleting bearing response message to PDN GW.

Fig. 9 is the 5th kind of backhaul network load bearing management method flow chart provided in an embodiment of the present invention.As shown in figure 9, this The backhaul network load bearing management method that embodiment is provided specifically can apply to the carrying of the communication system for being provided with backhaul network Management process, the communication system is specifically as follows LTE (Long TermEvolution, Long Term Evolution) communication systems or UMTS is logical Letter system, by taking LTE communication system as an example, LTE communication system can specifically include grouped data network gateway (Packet Data NetworkGateway, abbreviation PDN GW), gateway (Serving Gateway, abbreviation Serving GW), mobility pipe Reason entity (Mobility Management Entity, abbreviation MME), base station (evolvedNode B, abbreviation eNB) and backhaul Node etc..In a communications system, normal user equipments (hereinafter referred to as conventional equipment) can be by access network and backhaul network Access Core Network, i.e. conventional equipment are via backhaul node and eNB Access Core Networks.Backhaul network and access network can make With identical or different frequency and standard, for example, backhaul network is using LTE TDD, and (time-division duplex, the time-division is double Work) used as backhaul transport, access network can use GSM (Global System of Mobilecommunication, the whole world GSM), UMTS, Wi-Fi (Wireless Fidelity, Wireless Fidelity) and LTE FDD (Frequency Division Duplexing, full duplex) one or more standards in/TDD, backhaul network is access network transparent transmission number of users According to.Conventional equipment can also directly pass through eNB Access Core Networks.

Step C10, second network equipment receive the establishment conversation request message that first network equipment sends, wherein, it is described Create international mobile subscriber identity, the identity configured information and silent carried in conversation request message for identifying user equipment Recognize the mark of carrying, it is backhaul node that the identity configured information is used to indicate the user equipment；

Specifically, when user equipment initiates attachment flow, the user equipment is specifically as follows conventional equipment can also be back Cheng Jiedian, user equipment sends Attach Request message to the network equipment of network side, and equipment is carried in the Attach Request message Parameter, device parameter specifically can be used for identifying user equipment, and device parameter includes IMSI.If the user for initiating attachment flow sets Standby is backhaul node, then can also include identity configured information in the device parameter, and the identity configured information can indicate the use Family equipment is backhaul node.

First network equipment can judge whether the user equipment of request attachment is backhaul node according to device parameter, specifically Implementation is referred to the implementation in above-described embodiment, will not be repeated here.When the user equipment of request attachment is back During Cheng Jiedian, first network equipment sends to second network equipment and creates conversation request message, is taken in establishment conversation request message Mark with IMSI, identity configured information and default bearing.Second network equipment can be according in establishment conversation request message Identity configured information know user equipment for backhaul node, and perform corresponding handling process.

The mark of the default bearing of step C20, second network equipment in the establishment conversation request message Know for the backhaul node sets up the default bearing；

Step C30, second network equipment are arrived in the downlink data of the conventional equipment accessed by the backhaul node Up to or when receiving data request information that the conventional equipment is initiated, it is determined that special corresponding at least two of the backhaul node With the mark for carrying, to set up described at least two special for the backhaul node that is designated according at least two dedicated bearer Carry.

Specifically, in backhaul node access networks network, only for backhaul node sets up default bearing.Backhaul node is attached to net After network, when the conventional equipment for accessing backhaul node occurs customer service, then special holding is triggered by sending data request information The foundation of load, second network equipment can once set up part dedicated bearer or whole dedicated bearer for backhaul node, when for When backhaul node once sets up part dedicated bearer, the quantity of the dedicated bearer of foundation is at least two, remaining dedicated bearer Set up respectively under the triggering of one or many data request information that can be afterwards.Can be carried back in data request information Cheng Jiedian IMSI, to allow that second network equipment determines backhaul node according to the IMSI, and for the backhaul node set up to Few two dedicated bearers.After conventional equipment is linked into network by backhaul node, second network equipment can be the conventional equipment Distribution IP address, when the downlink data corresponding to the conventional equipment is reached, can also trigger the Establishing process of dedicated bearer.Then Two network equipments can determine the backhaul node that the conventional equipment is accessed according to the IP address of the conventional equipment carried in downlink data, And for the backhaul node sets up at least two dedicated bearers.

When communication system is LTE communication system, PDN GW are after the attachment of backhaul node for backhaul node sets up special holding The detailed process of load is referred to the description of embodiment illustrated in fig. 6, will not be repeated here.

The backhaul network load bearing management method that the present embodiment is provided, second network equipment receives what first network equipment sent Conversation request message is created, wherein, international mobile subscriber identity, the body of user equipment are carried in establishment conversation request message The mark of part configured information and default bearing, identity configured information is backhaul node to instruction user equipment, according to establishment meeting The backhaul node that is designated of the default bearing in words request message sets up default bearing, receives general what is accessed by backhaul node When the downlink data of logical equipment reaches or receive the data request information of conventional equipment initiation, it is determined that corresponding to backhaul node The mark of at least two dedicated bearers, the backhaul node that is designated according at least two dedicated bearers is set up at least two and special is held Carry.It is that backhaul node sets up acquiescence in backhaul node access networks network by the differentiation of backhaul node and the identity of conventional equipment Carry, when customer service occurs, once for backhaul node sets up at least two dedicated bearers, when what is accessed by backhaul node When conventional equipment quantity is more, it is to avoid set up repeatedly carry cause provides what is serviced to access the conventional equipment of backhaul node The growth of time, also reduces system signaling expense.

Figure 10 is the 6th kind of backhaul network load bearing management method flow chart provided in an embodiment of the present invention.As shown in Figure 10, In the present embodiment, step C30, second network equipment is designated the backhaul according at least two dedicated bearer Node is set up after at least two dedicated bearer, and methods described can also include：

What step C40, second network equipment reception first network equipment sent carries the default bearing Mark session removal request, the mark of the default bearing in the session removal request deletes the acquiescence and holds Carry and all dedicated bearers corresponding with the default bearing.

By taking LTE communication system as an example, when backhaul node actively initiates to leave request, backhaul node sends to eNB and leaves Request message, eNB will leave request message and be sent to MME, and MME sends session removal request, Serving to Serving GW The session removal request is sent to PDN GW by GW, and PDN GW delete the whole carryings corresponding to the backhaul node.Implement Process is referred to the description of embodiment illustrated in fig. 7, will not be repeated here.

In the present embodiment, step C30, second network equipment being designated according at least two dedicated bearer The backhaul node is set up after at least two dedicated bearer, and methods described can also include：

Step C50, second network equipment are supervised to each dedicated bearer at least two dedicated bearer Survey, if there is no business data transmission on the dedicated bearer in preset time range, delete the dedicated bearer.

Specifically, after second network equipment sets up dedicated bearer for backhaul node, you can set and correspond to this and special hold The timer of load, when the data service on the dedicated bearer stops transmission, starts the timer, sets a clock, when The foundation of the dedicated bearer is kept before clock time-out, when clock time-out, still without business data transmission on the dedicated bearer, is then deleted Except the dedicated bearer.The process of implementing is referred to the description of embodiment illustrated in fig. 8, will not be repeated here.

In the present embodiment, step C30, second network equipment being designated according at least two dedicated bearer The backhaul node sets up at least two dedicated bearer, is specifically as follows：

In actual application, the loading establishing process of backhaul node can also be accomplished by the following way：Work as backhaul Acquiescence is carried during node access networks network, in the establishment conversation request message that first network equipment is sent to second network equipment to hold The mark and identity configured information of load, second network equipment recognize request attachment user equipment be backhaul node when, first for The backhaul node sets up default bearing, then determines the mark and parameter of at least two dedicated bearers, then for backhaul node set up to Few two dedicated bearers.That is, to set up default bearing different with the moment of dedicated bearer for backhaul node for second network equipment, but specially With carry foundation triggered by customer service.

Figure 11 is the first first network device structure schematic diagram provided in an embodiment of the present invention.As shown in figure 11, this reality Applying the first network equipment 81 of example offer can specifically realize that what any embodiment of the present invention provided is applied to first network equipment Each step of 81 backhaul network load bearing management method, implements process, will not be repeated here.

The first network equipment 81 that the present embodiment is provided specifically includes the request unit 12 of receiving unit 11 and first, described to connect Receiving unit 11 is used to receive the Attach Request message for carrying device parameter, wherein, the device parameter sets for identifying user Standby, the device parameter includes international mobile subscriber identity.First request unit 12 is connected with the receiving unit 11, Whether the user equipment for judging request attachment according to the device parameter is backhaul node, if so, then being set to the second network Preparation send establishment conversation request message, wherein, the international mobile subscriber identification is carried in the establishment conversation request message The mark of code, the mark of default bearing and at least two dedicated bearers, so that second network equipment is according to the establishment meeting The mark of the default bearing in words request message and the backhaul node that is designated of at least two dedicated bearer are built The vertical default bearing and at least two dedicated bearer.

The first network equipment 81 that the present embodiment is provided, the attach request that the reception of receiving unit 11 carries device parameter disappears Breath, wherein, device parameter is used to identify user equipment, and device parameter includes international mobile subscriber identity, the first request unit 12 judge whether the user equipment of request attachment is backhaul node according to device parameter, if so, then being sent to second network equipment Conversation request message is created, wherein, the mark of international mobile subscriber identity, default bearing is carried in establishment conversation request message The mark with least two dedicated bearers is known, so that second network equipment is according to the default bearing created in conversation request message The backhaul node that is designated of mark and at least two dedicated bearers sets up default bearing and at least two dedicated bearers.By backhaul The differentiation of the identity of node and conventional equipment, in backhaul node access networks network, be backhaul node at the same set up default bearing and At least two dedicated bearers, when the conventional equipment quantity accessed by backhaul node is more, it is to avoid set up carrying repeatedly and make Into for access backhaul node conventional equipment provides service time growth, also reduction system signaling expense.

Figure 12 is second first network device structure schematic diagram provided in an embodiment of the present invention.As shown in figure 12, at this In embodiment, the device parameter also includes being used to the identity configured information for indicating the user equipment to be backhaul node；Accordingly Ground, if first request unit 12 specifically can be used for recognizing the device parameter and include the identity configured information, The CAMEL-Subscription-Information of the user equipment is then obtained according to the international mobile subscriber identity, according to the CAMEL-Subscription-Information to described Identity configured information is verified, if being proved to be successful, the user equipment is backhaul node.

In the present embodiment, the first network equipment 81 can also include the second request unit 13, second request Unit 13 is used to be sent to second network equipment session removal request of the mark for carrying the default bearing, so that institute State the default bearing of second network equipment in the session removal request mark delete the default bearing and All dedicated bearers corresponding with the default bearing.

Figure 13 is the first second network equipment infrastructure schematic diagram provided in an embodiment of the present invention.As shown in figure 13, this reality Applying second network equipment 82 of example offer can specifically realize the backhaul network load bearing management method that embodiment illustrated in fig. 3 is provided Each step, implements process, will not be repeated here.

Second network equipment 82 that the present embodiment is provided specifically includes receiving unit 21 and first processing units 22.It is described to connect Receiving unit 21 is used to receive the establishment conversation request message of first network equipment transmission, wherein, the establishment conversation request message In carry the mark of the international mobile subscriber identity of backhaul node, the mark of default bearing and at least two dedicated bearers. The first processing units 22 are connected with the receiving unit 21, for described silent in the establishment conversation request message The backhaul node that is designated of the mark and at least two dedicated bearer of recognizing carrying sets up the default bearing and described At least two dedicated bearers.

Second network equipment 82 that the present embodiment is provided, receiving unit 21 receives the establishment session that first network equipment sends Request message, wherein, to create and carry international mobile subscriber identity, the mark of default bearing and at least in conversation request message Two marks of dedicated bearer, first processing units 22 are according to the mark for creating the default bearing in conversation request message and at least The backhaul node that is designated of two dedicated bearers sets up default bearing and at least two dedicated bearers.By backhaul node and commonly The differentiation of the identity of equipment, is backhaul node while setting up default bearing and at least two special in backhaul node access networks network With carrying, when the conventional equipment quantity accessed by backhaul node is more, it is to avoid set up repeatedly and carry that cause is to access The conventional equipment of backhaul node provides the growth of the time of service, also reduces system signaling expense.

Figure 14 is second provided in an embodiment of the present invention second network equipment infrastructure schematic diagrames.As shown in figure 14, at this In embodiment, second network equipment 82 can also include second processing unit 23, and the second processing unit 23 is used to connect Receipts carry the data request information of the international mobile subscriber identity, are judged as the international mobile subscriber identity correspondence The quantity of dedicated bearer set up of backhaul node whether reach higher limit, if not, it is determined that the mark of dedicated bearer to be set up Know, the backhaul node that is designated according to the dedicated bearer to be set up sets up dedicated bearer, wherein, it is described to be set up The quantity of dedicated bearer is more than 1 and less than or equal to the higher limit.

In the present embodiment, second network equipment 82 can also include the first deleting load-bearing unit 24, described first The session that deleting load-bearing unit 24 is used to receive the mark for carrying the default bearing that the first network equipment sends is deleted Except request, the mark of the default bearing in the session removal request is deleted the default bearing and is write from memory with described Recognize the corresponding all dedicated bearers of carrying.

In the present embodiment, second network equipment 82 can also include the second deleting load-bearing unit 25, described second Deleting load-bearing unit 25 is used to be monitored each dedicated bearer at least two dedicated bearer, if in Preset Time In the range of there is no business data transmission on the dedicated bearer, then delete the dedicated bearer.

In the present embodiment, the establishment conversation request message also carries at least two dedicated bearer and corresponds to respectively QoS parameter；Correspondingly, the first processing units 22 can be specifically for by the establishment conversation request message The mark of the default bearing, the mark of at least two dedicated bearer and at least two dedicated bearer correspond to respectively QoS parameter be added to carrying mapping table in, by it is described carrying mapping table institute is sent to by the first network equipment Backhaul node is stated, to cause at least two dedicated bearer of the backhaul node in the carrying mapping table right respectively The QoS parameter answered carries out carrying mapping.

Figure 15 is the third the second network equipment infrastructure schematic diagram provided in an embodiment of the present invention.As shown in figure 15, this reality Applying second network equipment 82 of example offer can specifically realize the backhaul network load bearing management method that embodiment illustrated in fig. 9 is provided Each step, implements process, will not be repeated here.

Second network equipment 82 that the present embodiment is provided is specifically included at receiving unit 31, first processing units 32 and second Reason unit 33.The receiving unit 31 is used to receive the establishment conversation request message of first network equipment transmission, wherein, the wound International mobile subscriber identity, identity configured information and the acquiescence carried for identifying user equipment are built in conversation request message The mark of carrying, the identity configured information is backhaul node to instruction user equipment.The first processing units 32 and institute State receiving unit 31 to be connected, the backhaul is designated for the default bearing in the establishment conversation request message Node sets up the default bearing.The second processing unit 33 is used in the conventional equipment accessed by the backhaul node When downlink data reaches or receive the data request information that the conventional equipment is initiated, it is determined that corresponding to the backhaul node The mark of at least two dedicated bearers, according at least two dedicated bearer be designated the backhaul node set up described in extremely Few two dedicated bearers.

Second network equipment 82 that the present embodiment is provided, receiving unit 31 receives the establishment session that first network equipment sends Request message, wherein, the international mobile subscriber identity of user equipment, identity are carried in establishment conversation request message and indicates letter The mark of breath and default bearing, identity configured information is backhaul node, the basis of first processing units 32 to instruction user equipment The backhaul node that is designated for creating the default bearing in conversation request message sets up default bearing, and second processing unit 33 is passing through When the downlink data of the conventional equipment that backhaul node is accessed reaches or receives the data request information of conventional equipment initiation, it is determined that Corresponding to the mark of at least two dedicated bearers of backhaul node, the backhaul node that is designated according at least two dedicated bearers is built Vertical at least two dedicated bearers.By the differentiation of backhaul node and the identity of conventional equipment, in backhaul node access networks network, it is Backhaul node sets up default bearing, when customer service occurs, once for backhaul node sets up at least two dedicated bearers, when logical Cross the access of backhaul node conventional equipment quantity it is more when, it is to avoid set up repeatedly carry cause to access the general of backhaul node Logical equipment provides the growth of the time of service, also reduces system signaling expense.

Figure 16 is the 4th kind of second network equipment infrastructure schematic diagram provided in an embodiment of the present invention.As shown in figure 16, at this In embodiment, second network equipment 82 can also include the first deleting load-bearing unit 34, the first deleting load-bearing unit The 34 session removal requests for being used to receive the mark for carrying the default bearing that the first network equipment sends, according to institute The mark for stating the default bearing in session removal request deletes the default bearing and corresponding with the default bearing All dedicated bearers.

In the present embodiment, second network equipment 82 can also include the second deleting load-bearing unit 35, described second Deleting load-bearing unit 35 is used to be monitored each dedicated bearer at least two dedicated bearer, if in Preset Time In the range of there is no business data transmission on the dedicated bearer, then delete the dedicated bearer.

In the present embodiment, the second processing unit 33 specifically can be used for obtaining at least two dedicated bearer point Not corresponding QoS parameter, the mark of at least two dedicated bearer and at least two dedicated bearer is right respectively The QoS parameter answered is added in carrying mapping table, and the carrying mapping table is sent to by the first network equipment The backhaul node, to cause that at least two dedicated bearer of the backhaul node in the carrying mapping table is distinguished Corresponding QoS parameter carries out carrying mapping.

Figure 17 is the third first network device structure schematic diagram provided in an embodiment of the present invention.As shown in figure 17, this reality Applying the first network equipment 91 of example offer can specifically realize each step of backhaul network load bearing management method as shown in Figure 1 Suddenly, process is implemented, is will not be repeated here.The first network equipment 91 that the present embodiment is provided specifically includes receiver 41, place Reason device 42 and transmitter 43.The receiver 41 is used to receive the Attach Request message for carrying device parameter, wherein, it is described to set Standby parameter is used to identify user equipment, and the device parameter includes international mobile subscriber identity.The processor 42 with it is described Receiver 41 is connected, and whether the user equipment for judging request attachment according to the device parameter is backhaul node, if so, then Sent to second network equipment by the transmitter 43 and create conversation request message, wherein, the establishment conversation request message In carry the mark of the international mobile subscriber identity, the mark of default bearing and at least two dedicated bearers so that institute State the mark of the default bearing of second network equipment in the establishment conversation request message and described at least two special The default bearing and at least two dedicated bearer are set up with the backhaul node that is designated for carrying.

Figure 18 is the 5th kind of second network equipment infrastructure schematic diagram provided in an embodiment of the present invention.As shown in figure 18, this reality Applying second network equipment 92 of example offer can specifically realize each step of backhaul network load bearing management method as shown in Figure 3 Suddenly, process is implemented, is will not be repeated here.Second network equipment 92 that the present embodiment is provided specifically includes receiver 51 and place Reason device 52.The receiver 51 is used to receive the establishment conversation request message of first network equipment transmission, wherein, the establishment meeting The international mobile subscriber identity of backhaul node, the mark of default bearing and at least two is carried in words request message special to hold The mark of load.The processor 52 is connected with the 51 receipts devices that connect, for according in the establishment conversation request message The mark of the default bearing and the backhaul node that is designated of at least two dedicated bearer set up the default bearing With at least two dedicated bearer.

Figure 19 is the 6th kind of second network equipment infrastructure schematic diagram provided in an embodiment of the present invention.As shown in figure 19, this reality Applying second network equipment of example offer can specifically realize each step of backhaul network load bearing management method as shown in Figure 9, Process is implemented, be will not be repeated here.Second network equipment 93 that the present embodiment is provided specifically includes receiver 61 and treatment Device 62.The receiver 61 is used to receive the establishment conversation request message of first network equipment transmission, wherein, the establishment session Carried in request message for the international mobile subscriber identity, identity configured information and the default bearing that identify user equipment Mark, the identity configured information is backhaul node to instruction user equipment.The processor 62 and the phase of the receiver 61 Even, the backhaul node that is designated for the default bearing in the establishment conversation request message sets up described silent Recognize carrying.The receiver is additionally operable to receive the downlink data of the conventional equipment accessed by the backhaul node, and described The data request information that conventional equipment is initiated.The processor is additionally operable in the conventional equipment accessed by the backhaul node When downlink data reaches or receive the data request information that the conventional equipment is initiated, it is determined that corresponding to the backhaul node The mark of at least two dedicated bearers, according at least two dedicated bearer be designated the backhaul node set up described in extremely Few two dedicated bearers.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program Upon execution, the step of including above method embodiment is performed；And foregoing storage medium includes：ROM, RAM, magnetic disc or light Disk etc. is various can be with the medium of store program codes.

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 has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used Modified with to the technical scheme described in foregoing embodiments, or equivalent is carried out to which part technical characteristic； And these modifications or replacement, do not make the scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.

Claims

1. a kind of backhaul network load bearing management method, it is characterised in that including：

First network equipment receives the Attach Request message for carrying device parameter, wherein, the device parameter is used to identify to be used Family equipment, the device parameter includes international mobile subscriber identity；

The first network equipment judges whether the user equipment of request attachment is backhaul node according to the device parameter, if It is then to be sent to second network equipment and create conversation request message, wherein, carried in the establishment conversation request message described International mobile subscriber identity, the mark of default bearing, the mark of at least two dedicated bearers and described at least two special hold Corresponding QoS parameter respectively is carried, so that second network equipment will be described silent in the establishment conversation request message Mark, the mark of at least two dedicated bearer and at least two dedicated bearer for recognizing carrying distinguish corresponding Service Quality Amount parameter is added in carrying mapping table, and the carrying mapping table is sent into the backhaul section by the first network equipment Point, to cause that at least two dedicated bearer of the backhaul node in the carrying mapping table distinguishes corresponding service Mass parameter carries out carrying mapping.

2. backhaul network load bearing management method according to claim 1, it is characterised in that：The device parameter also includes using To indicate the user equipment as the identity configured information of backhaul node；

The first network equipment judges whether the user equipment of request attachment is backhaul node according to the device parameter, specifically For：

If the first network equipment recognizes the device parameter includes the identity configured information, according to the world Mobile identification number obtains the CAMEL-Subscription-Information of the user equipment, and the identity configured information is entered according to the CAMEL-Subscription-Information Row checking, if being proved to be successful, the user equipment is backhaul node.

3. backhaul network load bearing management method according to claim 1 and 2, it is characterised in that second network equipment The mark of the default bearing and being designated at least two dedicated bearer in the establishment conversation request message The backhaul node is set up after the default bearing and at least two dedicated bearer, and methods described also includes：

The first network equipment is deleted to the session that second network equipment sends the mark for carrying the default bearing Request, so that the mark of the default bearing of second network equipment in the session removal request deletes described silent Recognize carrying and all dedicated bearers corresponding with the default bearing.

4. a kind of backhaul network load bearing management method, it is characterised in that including：

Second network equipment receives the establishment conversation request message that first network equipment sends, wherein, the establishment session request International mobile subscriber identity, the mark of default bearing, the mark of at least two dedicated bearers of backhaul node are carried in message Know and at least two dedicated bearer distinguishes corresponding QoS parameter；

Second network equipment by it is described establishment conversation request message in the default bearing mark, described at least two Corresponding QoS parameter is added in carrying mapping table respectively for the mark of dedicated bearer and at least two dedicated bearer, By it is described carrying mapping table the backhaul node is sent to by the first network equipment, with so that the backhaul node according to Corresponding QoS parameter carries out carrying mapping at least two dedicated bearer in the carrying mapping table respectively.

5. backhaul network load bearing management method according to claim 4, it is characterised in that second network equipment according to The mark of the default bearing in the establishment conversation request message is described with being designated at least two dedicated bearer Backhaul node is set up after the default bearing and at least two dedicated bearer, and methods described also includes：

Second network equipment receives the data request information for carrying the international mobile subscriber identity, is judged as described Whether the quantity of the dedicated bearer that the corresponding backhaul node of international mobile subscriber identity is set up reaches higher limit, if it is not, then true The mark of dedicated bearer surely to be set up, the backhaul node that is designated according to the dedicated bearer to be set up sets up special Carry, wherein, the quantity of the dedicated bearer to be set up is more than 1 and less than or equal to the higher limit.

6. the backhaul network load bearing management method according to claim 4 or 5, it is characterised in that second network equipment The mark of the default bearing and being designated at least two dedicated bearer in the establishment conversation request message The backhaul node is set up after the default bearing and at least two dedicated bearer, and methods described also includes：

Second network equipment receives the session of the mark for carrying the default bearing that the first network equipment sends Removal request, the mark of the default bearing in the session removal request delete the default bearing and with it is described The corresponding all dedicated bearers of default bearing.

7. the backhaul network load bearing management method according to claim 4 or 5, it is characterised in that second network equipment The mark of the default bearing and being designated at least two dedicated bearer in the establishment conversation request message The backhaul node is set up after the default bearing and at least two dedicated bearer, and methods described also includes：

Second network equipment is monitored to each dedicated bearer at least two dedicated bearer, if when default Between in the range of there is no business data transmission on the dedicated bearer, then delete the dedicated bearer.

8. a kind of first network equipment, it is characterised in that including：

Receiving unit, the Attach Request message of device parameter is carried for receiving, wherein, the device parameter is used to identify to be used Family equipment, the device parameter includes international mobile subscriber identity；

First request unit, is connected with the receiving unit, and the user for judging request attachment according to the device parameter sets Whether standby be backhaul node, if so, then sent to second network equipment that conversation request message is created, wherein, the establishment session The international mobile subscriber identity, the mark of default bearing, the mark of at least two dedicated bearers are carried in request message Corresponding QoS parameter is distinguished with least two dedicated bearer, so that second network equipment is by the establishment meeting The mark of the default bearing, the mark of at least two dedicated bearer in words request message and described at least two special Carry corresponding QoS parameter respectively to be added in carrying mapping table, the carrying mapping table is passed through into the first network Equipment is sent to the backhaul node, to cause that the backhaul node is described at least two special in the carrying mapping table Carrying mapping is carried out with corresponding QoS parameter respectively is carried.

9. first network equipment according to claim 8, it is characterised in that：The device parameter also includes being used to indicate institute State the identity configured information that user equipment is backhaul node；

If first request unit includes the identity configured information, basis specifically for recognizing the device parameter The international mobile subscriber identity obtains the CAMEL-Subscription-Information of the user equipment, and the identity is referred to according to the CAMEL-Subscription-Information Show that information is verified, if being proved to be successful, the user equipment is backhaul node.

10. first network equipment according to claim 8 or claim 9, it is characterised in that also include：

Second request unit, the session for sending the mark for carrying the default bearing to second network equipment is deleted Request, so that the mark of the default bearing of second network equipment in the session removal request deletes described silent Recognize carrying and all dedicated bearers corresponding with the default bearing.

A kind of 11. second network equipments, it is characterised in that including：

Receiving unit, the establishment conversation request message for receiving the transmission of first network equipment, wherein, the establishment session request International mobile subscriber identity, the mark of default bearing, the mark of at least two dedicated bearers of backhaul node are carried in message Know and at least two dedicated bearer distinguishes corresponding QoS parameter；

First processing units, are connected with the receiving unit, for the acquiescence in the establishment conversation request message to be held The mark of load, the mark of at least two dedicated bearer and at least two dedicated bearer distinguish corresponding service quality ginseng Number is added in carrying mapping table, and the carrying mapping table is sent into the backhaul node by the first network equipment, To cause that at least two dedicated bearer of the backhaul node in the carrying mapping table distinguishes corresponding Service Quality Amount parameter carries out carrying mapping.

12. second network equipments according to claim 11, it is characterised in that also include：

Second processing unit, the data request information of the international mobile subscriber identity is carried for receiving, and is judged as institute Whether the quantity for stating the dedicated bearer that the corresponding backhaul node of international mobile subscriber identity is set up reaches higher limit, if it is not, then It is determined that the mark of dedicated bearer to be set up, the backhaul node foundation is designated specially according to the dedicated bearer to be set up With carrying, wherein, the quantity of the dedicated bearer to be set up is more than 1 and less than or equal to the higher limit.

13. second network equipment according to claim 11 or 12, it is characterised in that also include：

First deleting load-bearing unit, for receiving the mark for carrying the default bearing that the first network equipment sends Session removal request, the mark of the default bearing in the session removal request delete the default bearing and with The corresponding all dedicated bearers of the default bearing.

14. second network equipment according to claim 11 or 12, it is characterised in that also include：

Second deleting load-bearing unit, for being monitored to each dedicated bearer at least two dedicated bearer, if There is no business data transmission in preset time range on the dedicated bearer, then delete the dedicated bearer.

A kind of 15. backhaul network load bearing management methods, it is characterised in that including：

Second network equipment receives the establishment conversation request message that first network equipment sends, wherein, the establishment session request The mark for the international mobile subscriber identity, identity configured information and default bearing for identifying user equipment is carried in message Know, it is backhaul node that the identity configured information is used to indicate the user equipment；

The default bearing of second network equipment in the establishment conversation request message is designated the backhaul Node sets up the default bearing；

Second network equipment reaches or receives institute in the downlink data of the conventional equipment accessed by the backhaul node When stating the data request information of conventional equipment initiation, it is determined that the mark of at least two dedicated bearers corresponding to the backhaul node Know, obtain at least two dedicated bearer and distinguish corresponding QoS parameter, by the mark of at least two dedicated bearer Corresponding QoS parameter is added in carrying mapping table respectively for knowledge and at least two dedicated bearer, and the carrying is reflected Firing table is sent to the backhaul node by the first network equipment, to cause that the backhaul node carries mapping according to described Corresponding QoS parameter carries out carrying mapping at least two dedicated bearer in table respectively.

16. backhaul network load bearing management methods according to claim 15, it is characterised in that second network equipment root Set up after at least two dedicated bearer according to the backhaul node that is designated of at least two dedicated bearer, the side Method also includes：

17. backhaul network load bearing management methods according to claim 16, it is characterised in that second network equipment root Set up after at least two dedicated bearer according to the backhaul node that is designated of at least two dedicated bearer, the side Method also includes：

A kind of 18. second network equipments, it is characterised in that including：

Receiving unit, the establishment conversation request message for receiving the transmission of first network equipment, wherein, the establishment session request The mark for the international mobile subscriber identity, identity configured information and default bearing for identifying user equipment is carried in message Know, the identity configured information is backhaul node to instruction user equipment；

First processing units, are connected with the receiving unit, for the acquiescence in the establishment conversation request message The backhaul node that is designated for carrying sets up the default bearing；

Second processing unit, institute is reached or receives for the downlink data in the conventional equipment accessed by the backhaul node When stating the data request information of conventional equipment initiation, it is determined that the mark of at least two dedicated bearers corresponding to the backhaul node Know, obtain at least two dedicated bearer and distinguish corresponding QoS parameter, by the mark of at least two dedicated bearer Corresponding QoS parameter is added in carrying mapping table respectively for knowledge and at least two dedicated bearer, and the carrying is reflected Firing table is sent to the backhaul node by the first network equipment, to cause that the backhaul node carries mapping according to described Corresponding QoS parameter carries out carrying mapping at least two dedicated bearer in table respectively.

19. second network equipments according to claim 18, it is characterised in that also include：

20. second network equipments according to claim 18, it is characterised in that also include：