CN104798431A

CN104798431A - Carrier aggregation method and base station

Info

Publication number: CN104798431A
Application number: CN201380003625.7A
Authority: CN
Inventors: 郭轶; 曾清海; 戴明增
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-11-12
Filing date: 2013-11-12
Publication date: 2015-07-22
Also published as: WO2015070374A1

Abstract

Embodiments of the present invention provide a carrier aggregation method and a base station. The method comprises: a first base station relieving a first access instruction sent by an MME, the first access instruction being used for instructing a user equipment to access the first base station, and the first base station providing the user equipment with an access technology to a first network; the first base station allocating, based on the first access instruction, a radio bearer resource of the first network to the user equipment; the first base station obtaining a carrier resource of a second network by means of a second base station; and the first base station sending the carrier resource of the second network and bearer establishment information of the second network to the user equipment, the carrier resource of the second network being associated with the bearer establishment information of the second network. As seen, in the embodiment of the present invention, the first base station allocates the radio bearer resource of the first network and the radio bearer resource of the second network to the user equipment, thereby implementing carrier aggregation of different networks, further providing a greater bandwidth to the user equipment, and reducing the waste of resources.

Description

CARRIER AGGREGATION METHOD AND BASE STATION

A kind of carrier polymerizing method and station technology field

The present invention relates to the communications field, more particularly, to a kind of carrier polymerizing method and base station.Background technology

In order to meet ITU (Internat iona l Telecommunicat ions Union, International Telecommunication Union）Requirement to forth generation GSM, 3GPP proposes carrier aggregation for LTE（Carr ier Aggrega t ion, CA).Carrier aggregation refers to distributing at least two radio bearer resources for user equipment, so that user equipment can carry out carrier communication, the bigger broadband of acquisition using at least two radio bearer resources and base station.Wherein, radio bearer resources include carrier resource.Therefore carrier aggregation requires that user equipment results at least two carrier resources.

But, current carrier aggregation is only capable of supporting LTE, so if operator does not have more LTE carrier resource, carrier aggregation can not just be carried out, even if there is the carrier resource of other networks such as UMTS in operator, these resources can not be utilized by way of carrier aggregation, so as to cause the waste of resource.The content of the invention

Present invention solves the technical problem that being to provide a kind of carrier polymerizing method and base station, the carrier aggregation of different network can be realized, so as to further provide bigger bandwidth to user equipment, the waste of resource is reduced.

Therefore, the technical scheme that the present invention solves technical problem is：

In a first aspect, the embodiments of the invention provide a kind of base station, the base station is specially first base station, and the first base station includes：Receiver, transmitter, processor and memory；

The receiver is used for, and receives the first access instruction that mobility management entity is sent, and via the carrier resource of the second network of the second base station acquisition；First access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment；Second base station provides the access technology to second network for the user equipment；

The transmitter is used for, and is indicated based on the described first access, is the user equipment distribution described first The radio bearer resources of network, and send the bearer setup message of the carrier resource of second network and the second network to the user equipment, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for the user equipment.

In the first possible implementation of first aspect, the bearer setup message of second network is used for the bearer setup message for indicating that the user equipment accesses the first base station for the mobility management entity.

In second of possible implementation of first aspect, the bearer setup message of second network indicates to obtain via the described first access；

The transmitter is used to indicate based on the described first access, is that the radio bearer resources that the user equipment distributes the first network are specially：

The transmitter is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and the bearer setup message of the first network indicates to obtain via the described first access.

In the third possible implementation of first aspect, the receiver is additionally operable to：The second access instruction that the mobility management entity is sent is received, second access indicates to include the bearer setup message of second network；

The transmitter is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and first access indicates to include the bearer setup message of the first network.

With reference to first aspect, first aspect the first to the third any possible implementation, in the 4th kind of possible implementation of first aspect, the transmitter and receiver are additionally operable to, using the radio bearer resources of second network, the interaction data between the user equipment and core network element is transmitted；Wherein, the interaction data carries out secrecy processing by the user equipment and first base station using the key of first network.

With reference to the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation of first aspect, when the receiver receives encryption data, the processor is additionally operable to, if confirmation message can be sent by least one of the transmitter into second base station, the mobility management entity and the core network element using encryption data described in the key successful decryption of first network；The encryption data is institute State the interaction data that user equipment is encrypted using the key of first network.

With reference to first aspect or first aspect the first to the third any possible implementation, in the 6th kind of possible implementation of first aspect, the transmitter is additionally operable to, the mobility management entity is notified to send the key of the second network to second base station, to cause interaction data that by the user equipment and second base station, secrecy processing is carried out using the key of second network；The interaction data is transmitted by the second base station using the radio bearer resources of second network, the interaction data between the user equipment and core network element.

With reference to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation of first aspect, the receiver is used for the carrier resource that the second network is obtained via the second base station, and the transmitter is used to sending to the user equipment and notifying that the key that the mobility management entity sends the second network to the second base station is specially the carrier resource and bearer setup message of second network：

The transmitter is used for, and sending first key to the mobility management entity obtains request, and the first key obtains request and causes the mobility management entity to return to the key of the second network to the first base station；

The receiver is used for, and receives the key of the second network returned；

The transmitter is additionally operable to, and sending carrier wave to the second base station obtains request, and the carrier wave obtains the key that request carries second network, and causes second base station to return to the carrier resource of the second network to the first base station；

The receiver is additionally operable to, and receives the carrier resource of the second network returned；

The transmitter is additionally operable to, and the carrier resource and bearer setup message of second network are sent to the user equipment.

With reference to the 6th kind of possible implementation of first aspect, in the 8th kind of possible implementation of first aspect, the receiver is used for the carrier resource that the second network is obtained via the second base station, and the transmitter is used to sending to the user equipment and notifying that the key that the mobility management entity sends the second network to the second base station is specially the carrier resource and bearer setup message of second network：

The transmitter is used for, and sending carrier wave to second base station obtains request, and the carrier wave obtains request and causes the second base station to return to the carrier resource of the second network to the first base station；

The receiver is used for, and receives the carrier resource of the second network returned； The transmitter is additionally operable to, and the second cipher key acquisition request is sent to the mobility management entity, and second cipher key acquisition request causes the mobility management entity to send the key of the second network to second base station；

After the key that second base station receives second network, the carrier resource of the second network and the bearer setup message are sent to the user equipment.

With reference to the 6th kind of possible implementation of first aspect, in the 9th kind of possible implementation of first aspect, the key that the transmitter is used to notify the mobility management entity to send the second network to the second base station is specially：

The transmitter is used for, and notifies the mobility management entity to send the key of the second network to the second base station via the user equipment or second base station.

With reference to the 6th kind of possible implementation of first aspect, in the tenth kind of possible implementation of first aspect, second base station is when receiving encryption data, if encryption data described in the key successful decryption of the second network, the base station of at least one transmission confirmation message into first base station, the mobility management entity and the core network element can be utilized；

The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.In a kind of the tenth possible implementation of first aspect, the user equipment is the user equipment that confirmation message is sent using at least one of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element.

In the 12nd kind of possible implementation of first aspect, the processor is additionally operable to, and forbids mobile management of second base station to the user equipment.

Second aspect, the embodiments of the invention provide a kind of base station, the base station is first base station, and the first base station includes：Receiving unit, allocation unit, acquiring unit and transmitting element；

The receiving unit is used for, and receives the first access instruction that mobility management entity is sent；First access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment；

The allocation unit is used for, and is indicated based on the described first access, is the radio bearer resources that the user equipment distributes the first network；

The acquiring unit is used for, and the carrier resource of the second network is obtained via the second base station；Second base Stand and access technology to second network is provided for the user equipment；

The transmitting element is used for, the bearer setup message of the carrier resource of second network and the second network is sent to the user equipment, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for the user equipment.

In the first possible implementation of second aspect, the bearer setup message of second network is used for the bearer setup message for indicating that the user equipment accesses the first base station for the mobility management entity.

In second of possible implementation of second aspect, the bearer setup message of second network indicates to obtain via the described first access；

The allocation unit is used to indicate based on the described first access, is that the radio bearer resources that the user equipment distributes the first network are specially：

The allocation unit is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and the bearer setup message of the first network indicates to obtain via the described first access.

In the third possible implementation of second aspect, the receiving unit is additionally operable to, and receives the second access instruction that the mobility management entity is sent, and second access indicates that the load for including second network sets up information；

The allocation unit is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and first access indicates to include the bearer setup message of the first network.

With reference to second aspect or second aspect the first to the third any possible implementation, in the 4th kind of possible implementation of second aspect, in addition to：Data transfer elements；

The data transfer elements are used for, and using the radio bearer resources of second network, transmit the interaction data between the user equipment and core network element；

Wherein, the interaction data carries out secrecy processing by the user equipment and the data transfer elements using the key of first network.

With reference to the 4th kind of possible implementation of second aspect, in the 5th kind of possible realization of second aspect In mode, the data transfer elements are additionally operable to, when receiving encryption data, if can be using encryption data described in the key successful decryption of first network, at least one into second base station, the mobility management entity and the core network element sends confirmation message；

The encryption data is the interaction data that the user equipment is encrypted using the key of the first network.With reference to second aspect or second aspect the first to the third any possible implementation, in the 6th kind of possible implementation of second aspect, in addition to：Notification unit；

The notification unit is used for, and notifies the mobility management entity to send the key of the second network to second base station, to cause interaction data that by the user equipment and second base station, secrecy processing is carried out using the key of second network；

The interaction data is transmitted by the second base station using the radio bearer resources of second network, the interaction data between the user equipment and core network element.

With reference to the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation of second aspect, the notification unit is used for the key for notifying the mobility management entity to send the second network to second base station, the acquiring unit is used for the carrier resource that the second network is obtained via the second base station, and the transmitting element is specially for the carrier resource and bearer setup message of second network to be sent to the user equipment：

The notification unit is used to send first key acquisition request to the mobility management entity, and the first key obtains the key that request causes the mobility management entity to the acquiring unit the second network of return；

The acquiring unit is used for the key for receiving the second network returned, carrier wave, which is sent, to the second base station obtains request, the carrier wave obtains the key that request carries second network, and causes second base station to return to the carrier resource of the second network to the transmitting element；

The transmitting element is used for the carrier resource for receiving the second network returned, and the carrier resource of second network and ^ loads are set up information and sent to the user equipment.

With reference to the 6th kind of possible implementation of second aspect, in the 8th kind of possible implementation of second aspect, the notification unit is used for the key for notifying the mobility management entity to send the second network to second base station, the acquiring unit is used for the carrier resource that the second network is obtained via the second base station, and the transmitting element is used to send the carrier resource and bearer setup message of second network to the use Family equipment is specially：

The acquiring unit is used to send carrier wave acquisition request to second base station, and the carrier wave obtains the carrier resource that request causes the second base station to the transmitting element the second network of return；

The transmitting element is used for after the carrier resource for the second network that reception is returned, the notification unit is used to send the second cipher key acquisition request to the mobility management entity, and second cipher key acquisition request causes the mobility management entity to send the key of the second network to second base station；

After the key that second base station receives second network, the transmitting element, which is additionally operable to the carrier resource and the load of second network setting up information, to be sent to the user equipment.

With reference to the 6th kind of possible implementation of second aspect, in the 9th kind of possible implementation of second aspect, the key that the notification unit is used to notify the mobility management entity to send the second network to the second base station is specially：

The notification unit is used for, and notifies the mobility management entity to send the key of the second network to the second base station via the user equipment or second base station.With reference to the 6th kind of possible implementation of second aspect, in the tenth kind of possible implementation of second aspect, second base station is when receiving encryption data, if encryption data described in the key successful decryption of the second network, the base station of at least one transmission confirmation message into first base station, the mobility management entity and the core network element can be utilized；

The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.In a kind of the tenth possible implementation of second aspect, the user equipment is the user equipment that confirmation message is sent using at least one of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element.

In the 12nd kind of possible implementation of second aspect, in addition to：Forbidden cell；The forbidden cell is used to forbid mobile management of second base station to the user equipment.The third aspect, the embodiments of the invention provide a kind of carrier polymerizing method, methods described includes：First base station receives the first access instruction that mobility management entity is sent, and first access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment； The first base station is based on the described first access and indicated, is the radio bearer resources that the user equipment distributes the first network；

The first base station obtains the carrier resource of the second network via the second base station, and second base station provides the access technology to second network for the user equipment；

The first base station sends the bearer setup message of the carrier resource of second network and the second network to the user equipment, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for the user equipment.

In the first possible implementation of the third aspect, the bearer setup message of second network is used for the bearer setup message for indicating that the user equipment accesses the first base station for the mobility management entity.

In second of possible implementation of the third aspect, the bearer setup message of second network indicates to obtain via the described first access；

The first base station is based on the described first access and indicated, is that the radio bearer resources that the user equipment distributes the first network are specially：

First base station sends the bearer setup message of the carrier resource of first network and first network to the user equipment, and the bearer setup message of the first network indicates to obtain via the described first access.

In the third possible implementation of the third aspect, methods described also includes：

The first base station receives the second access instruction that the mobility management entity is sent, and second access indicates to include the bearer setup message of second network；

The first base station sends the bearer setup message of the carrier resource of first network and first network to the user equipment, and first access indicates to include the bearer setup message of the first network.

With reference to the third aspect or the third aspect the first to the third any possible implementation, in the 4th kind of possible implementation of the third aspect, in addition to：

The first base station utilizes the radio bearer resources of second network, transmits the interaction data between the user equipment and core network element； Wherein, the interaction data carries out secrecy processing by the user equipment and first base station using the key of first network.

With reference to the 4th kind of possible implementation of the third aspect, in the 5th kind of possible implementation of the third aspect, when the first base station receives encryption data, if can be using encryption data described in the key successful decryption of first network, at least one into second base station, the mobility management entity and the core network element sends confirmation message；

The encryption data is the interaction data that the user equipment is encrypted using the key of first network.With reference to the third aspect or the third aspect the first to the third any possible implementation, in the 6th kind of possible implementation of the third aspect, in addition to：

First base station notifies the mobility management entity to send the key of the second network to second base station, to cause interaction data that by the user equipment and second base station, secrecy processing is carried out using the key of second network；

With reference to the 6th kind of possible implementation of the third aspect, in the 7th kind of possible implementation of the third aspect, the first base station sets up information via the carrier resource of the second network of the second base station acquisition, by the carrier resource of second network and ^ loads and sends to the user equipment and notify that the key that the mobility management entity sends the second network to the second base station is specially：

The first base station sends first key to the mobility management entity and obtains request, and the first key obtains request and causes the mobility management entity to return to the key of the second network to the first base station；First base station receives the key of the second network returned, and sending carrier wave to the second base station obtains request, and the carrier wave obtains the key that request carries second network, and causes second base station to return to the carrier resource of the second network to the first base station；

First base station receives the carrier resource of the second network returned, and the carrier resource and bearer setup message of second network are sent to the user equipment.

With reference to the 6th kind of possible implementation of the third aspect, in the 8th kind of possible implementation of the third aspect, the first base station sets up information via the carrier resource of the second network of the second base station acquisition, by the carrier resource of second network and ^ loads and sends to the user equipment and notify the mobile management Entity to the second base station send the second network key be specially：The first base station sends carrier wave to second base station and obtains request, and the carrier wave obtains request and causes the second base station to return to the carrier resource of the second network to the first base station；

First base station receives the carrier resource of the second network returned, and the second cipher key acquisition request is sent to the mobility management entity, and second cipher key acquisition request causes the mobility management entity to send the key of the second network to second base station；

After the key that second base station receives second network, the carrier resource of the second network and the load are set up information and sent to the user equipment by first base station.With reference to the 6th kind of possible implementation of the third aspect, in the 9th kind of possible implementation of the third aspect, it is described notify the mobility management entity to the second base station send the second network key be specially：

The first base station notifies the mobility management entity to send the key of the second network to the second base station via the user equipment or second base station.With reference to the 6th kind of possible implementation of the third aspect, in the tenth kind of possible implementation of the third aspect, second base station is when receiving encryption data, if encryption data described in the key successful decryption of the second network, the base station of at least one transmission confirmation message into first base station, the mobility management entity and the core network element can be utilized；

The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.In a kind of the tenth possible implementation of the third aspect, the user equipment is the user equipment that confirmation message is sent using at least one of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element.

In the 12nd kind of possible implementation of the third aspect, in addition to：First base station forbids mobile management of second base station to the user equipment.

According to the above-mentioned technical solution, first base station is assigned with the radio bearer resources of first network and the radio bearer resources of the second network to user equipment in the embodiment of the present invention, wherein, the radio bearer resources for distributing the second network to user equipment are the carrier resources of the second network by will be obtained from the second base station, and second the bearer setup message of network send to the user equipment, and the carrier resource of second network is associated with the bearer setup message of second network realizes.It is achieved thereby that the carrier wave of different network gathers Close, user equipment is enabled to utilize the radio bearer resources of two heterogeneous networks, respectively carrier communication is carried out with first base station and the second base station, compared to LTE carrier aggregation can only be carried out in the prior art, the embodiment of the present invention further provides bigger bandwidth to user equipment, reduces the waste of resource.Brief description of the drawings

Fig. 1 is the structural representation of the first embodiment of communication system provided in an embodiment of the present invention；Fig. 2 is the structural representation of the second embodiment of communication system provided in an embodiment of the present invention；Fig. 3 is the structural representation of the 3rd embodiment of communication system provided in an embodiment of the present invention；Fig. 4 is the structural representation of the first embodiment of first base station provided in an embodiment of the present invention；Fig. 5 is the structural representation of the second embodiment of first base station provided in an embodiment of the present invention；Fig. 6 is the structural representation of the 3rd embodiment of first base station provided in an embodiment of the present invention；Fig. 7 is the structural representation of the 8th embodiment of first base station provided in an embodiment of the present invention；Fig. 8 is the structural representation of the 9th embodiment of first base station provided in an embodiment of the present invention；Fig. 9 is the structural representation of the tenth embodiment of first base station provided in an embodiment of the present invention；Figure 10 is the schematic flow sheet of the first embodiment of method provided in an embodiment of the present invention；

Fig. 11 is the Signalling exchange schematic diagram of the second embodiment of method provided in an embodiment of the present invention；Figure 12 is the Signalling exchange schematic diagram of the 3rd embodiment of method provided in an embodiment of the present invention；Fig. 13 is the Signalling exchange schematic diagram of the fourth embodiment of method provided in an embodiment of the present invention；Figure 14 is the Signalling exchange schematic diagram of the 5th embodiment of method provided in an embodiment of the present invention；Figure 15 is the Signalling exchange schematic diagram of the sixth embodiment of method provided in an embodiment of the present invention；Figure 16 is that Signalling exchange schematic diagram Figure 17 of the 7th embodiment of method provided in an embodiment of the present invention is the Signalling exchange schematic diagram that cipher key acquisition request is received and sent between method provided in an embodiment of the present invention.Embodiment

Carrier aggregation refers to distributing at least two radio bearer resources for user equipment, so that user equipment can carry out carrier communication, the bigger broadband of acquisition using at least two radio bearer resources and base station. Wherein, radio bearer resources include carrier resource and bearer setup message.Therefore, in order to realize carrier aggregation, it is desirable to which user equipment results at least two carrier resources.

Current carrier aggregation process is：As LTE eNB (evo lved NodeB, evolution base station）Carrying is received to set up after request, LTE two carrier resources and bearer setup message can be sent to corresponding user equipment, it is achieved thereby that being assigned with LTE two radio bearer resources for user equipment so that the user equipment can carry out carrier communication according to LTE two radio bearer resources and LTE eNB.It can be seen that, because LTE of the prior art eNB can only get LTE two carrier resources so that the carrier aggregation of prior art can only support LTE.If operator does not have more LTE carrier resource, carrier aggregation can not just be carried out, even if now there is the carrier resource of other networks such as UMTS in operator, these resources can not be utilized by way of carrier aggregation, so as to cause the waste of resource.

And in embodiments of the present invention there is provided a kind of carrier polymerizing method, communication system and base station, the carrier aggregation of different network can be realized, so as to further provide bigger bandwidth to user equipment, reduce the waste of resource.

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

Term " first ", " second ", " the 3rd " " the 4th " in description and claims of this specification and above-mentioned accompanying drawing etc. are for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that the data so used can be exchanged in the appropriate case, so that the embodiments described herein can be implemented with the order in addition to the content for illustrating or describing herein.In addition, term " including " and " having " and their any deformation, it is intended to cover non-exclusive include, for example, process, method, system, product or the equipment for containing series of steps or unit are not necessarily limited to those steps clearly listed or unit, but may include not list clearly or for the intrinsic other steps of these processes, method, product or equipment or unit.

Fig. 1 is referred to, the embodiments of the invention provide the first embodiment of communication system, the present embodiment includes：First base station 101, the second base station 102 and mobility management entity（Mob i l i ty Management Ent i ty, i.e. MME) 103.

Gangster E 103 is used for, and sending the first access to first base station 101 indicates, first access indicates to use The first base station 101 is accessed in user equipment 104, the first base station 101 provides the access technology to first network for the user equipment 104.

In embodiments of the present invention, MME103 actually belongs to first network, when MME103 sends access to first base station 101 to be indicated, generally represent that user equipment 104 has the communication requirement of first network, can be specifically user equipment 104 actively connect the communication requirement produced during network or network actively to 104 PUSH message of user equipment when the communication requirement that produces etc..

First base station 101 is used for, and receives the first access instruction that gangster E103 is sent, is indicated based on the described first access, be the radio bearer resources that user equipment 104 distributes the first network.

First base station 101 is additionally operable to, the carrier resource of the second network is obtained via the second base station 102, and send the bearer setup message of the carrier resource of second network and the second network to user equipment 104, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for user equipment 104.Second base station 102 provides the access technology to second network for user equipment 104.

In embodiments of the present invention, first base station 101 can provide the access technology to first network, and the second base station 102 can provide the access technology to the second network.Wherein, first network can be the networks such as LTE, UMTS, CDMA, GERAN, or WLAN.First base station 101, according to first network type, can be base station or base station controller.For example, if first network is LTE, first base station is base station（ENB), if first network is UMTS, CDMA, GERAN, or WLAN, first base station is base station controller.Similar with first network, the second network can be the networks such as LTE, UMTS, CDMA, GERAN, or WLAN, and the second described base station, according to the second network type, can be base station or base station controller.For example, if the second network is LTE, the second base station is base station（ENB), if the second network is UMTS, CDMA, GERAN, or WLAN, the second base station is base station controller.LTE network can be LTE-A etc..

According to the above-mentioned technical solution, first base station 101 is assigned with the radio bearer resources of first network and the radio bearer resources of the second network to user equipment 104 in the present embodiment, wherein, the radio bearer resources for distributing the second network to user equipment 104 are the carrier resources of the second network by will be obtained from the second base station 102, and second the bearer setup message of network send to the user equipment 104, and the carrier resource of second network is associated with the bearer setup message of second network realizes.It is achieved thereby that the carrier aggregation of different network so that user equipment 104 can using two heterogeneous networks radio bearer resources, carrier communication is carried out with the base station 102 of first base station 101 and second respectively, compared in the prior art only LTE carrier aggregation can be carried out, further bigger bandwidth is provided to user equipment, reduces the waste of resource.

In embodiments of the present invention, bearer setup message refers to the information for setting up carrying, Non-Access Stratum protocols data cell (Non Acces s S t ra tum Protoco l Da ta Uni t, i.e. NAS PDU) and carrying mark can specifically be included（Carry ID).

In embodiments of the present invention, first base station 101 is the radio bearer resources that user equipment is assigned with first network and the second network, it is achieved thereby that the carrier aggregation of different network.Lower mask body has a look the assigning process of the two heterogeneous networks.

First base station 101 is indicated based on the first access that MME 103 is sent, and is the radio bearer resources that user equipment 104 is assigned with first network, so that user equipment can utilize the radio bearer resources of first network, is set up and communicate to connect with first base station.And in the prior art, the process of the radio bearer resources of user equipment distribution first network has been existed for, therefore the process is no longer described in detail.

First base station 101 sends the bearer setup message of the carrier resource of the second network and the second network to the user equipment 104, and it is associated that the carrier resource of second network sets up information with the load of second network, therefore equivalent to the radio bearer resources that the second network is assigned with for user equipment 104, so that user equipment 104 can utilize the radio bearer resources of the second network, set up and communicate to connect with the second base station 102.Wherein, the carrier resource of the second network is that first base station 101 is obtained from the second base station 102, and the bearer setup message of the second network is actually also to be acquired by first base station.The acquisition process of the bearer setup message of the second network is specifically described below.

Gangster E 103 can generate bearer setup message according to the communication requirement of user equipment 104 and carry in the access for being sent to first base station 101 is indicated, therefore, first base station 101 gets bearer setup message in being indicated from the access sent by gangster E 103, again using the bearer setup message got as the second network bearer setup message, access instruction mentioned here can indicate for the first access, can also be that in addition to the first access is indicated, other accesses that gangster E 103 issues first base station 101 are indicated.In embodiments of the present invention, the access that gangster E 103 issues first base station 101 is indicated, generally MME 103 is used for instruction user equipment 104 and accesses first base station 101, therefore, the bearer setup message for the second network that first base station 101 is got in being indicated from access, is actually the bearer setup message that the instruction user equipment 104 of gangster E 1 03 accesses first base station 101. Bearer setup message can include NAS PDU and carrying ID, carrying ID sets up corresponding ^ for instruction user equipment and carried, and comprising filtering information to indicate which business can be transmitted in the ^ loads in NAS PDU, cause UE to know the corresponding relation of business and carrying by NAS PDU and carrying ID binding.Here, the bearer setup message of the carrier resource of second network and the second network is associated to be referred to, when transmitting interaction data between user equipment and first base station, the second base station or core network element, if what is utilized is the carrier resource of the second network, what the carrying set up particular by bearer setup message of the user equipment based on the second network was transmitted.

In a kind of optional mode of the embodiment of the present invention, user equipment 104 can be determined by customer equipment identification, wherein, customer equipment identification can be indicated to carry by the first access, the realization of the embodiment of the present invention can not also be influenceed by indicating to carry in other instructions associated with the first access.The customer equipment identification is specifically as follows UE association signaling marks, the application protocols of UE S 1 for example distributed by gangster E（SI Appl ica t ion Protocol, i.e. SI AP).The embodiment of the present invention can also include user equipment 104.

In embodiments of the present invention, first base station 101 can obtain carrier resource via the second base station 102.During due to obtaining carrier resource to any base station, the base station would generally be also managed moving property of user equipment in addition to it can enter the transmission with user equipment and prepare, and wherein mobile management includes the management such as switching, measurement.And in embodiments of the present invention, only the moving property of user equipment 104 can be managed by first base station 101, therefore in a kind of optional mode of the embodiment of the present invention, first base station 101 can be also used for the mobile management for forbidding the second base station 102 to user equipment 104.

In a kind of optional mode of the embodiment of the present invention, first base station 101 obtains carrier resource via the second base station 102, is realized by procedure below：First base station 101 sends carrier wave to the second base station 102 and obtains request, and when carrier wave acquisition request make it that the second base station 102 judges that it has carrier resource, the carrier resource is returned to first base station 101.Carrier wave acquisition asks the request that can be newly introduced or in current already present request.For example, when realizing access network switching at present, the base station before switching can send " reconfiguration request " to cause the base station after switching to return to carrier resource to the base station after switching.Therefore it can be " reconfiguration request " for realizing access network switching at present that the carrier wave that the present invention is applied in example, which obtains request,.Certainly, it can also add and indicate in " reconfiguration request " in the embodiment of the present invention, represent it is now to carry out carrier aggregation, therefore mobile management of second base station 102 to user equipment 104 is forbidden in the instruction.

In the present embodiment, first base station 101 can distribute the radio bearer resources of the second network to user equipment 104, actually illustrate user equipment 4 and have access to the second network, can in one kind of the embodiment of the present invention Select in mode, first base station 101 can be also used for judging whether user equipment 104 has access to the second network, if can, first base station continues executing with the radio bearer resources that first network and the second network are distributed for user equipment 104, that is first base station normal work, if it could not, can be stopped, or judge so that some cycles circulation execution is above-mentioned until judged result is yes.For example, if it is judged that user equipment 104 can not support the second network, it is to be understood that hereafter user equipment 104 can not also access the second network, and now first base station 101 can be stopped.If judging that user equipment 104 can support the second network, but be now not under the signal cover of the second network, although then explanation user equipment 104 can not now access the second network, but with the movement of user equipment 104, it is possible to be moved under the signal cover of the second network, therefore now above-mentioned judgement can be performed with some cycles circulation, until judging that user equipment 104 has access to the second network, then first base station 101 continues executing with the radio bearer resources that first network and the second network are distributed for user equipment 104.Here, judge whether user equipment 104 has access to the second network and be specifically as follows：Judge whether user equipment 104 can support the second network and under the signal cover of second network.

In the embodiment of the present invention, E 103 can send access to first base station 101 and indicate（Such as first access is indicated）Here, access indicates can be the message being newly introduced, can also be in current already present message, for example, access instruction can set up request for carrying, when user equipment has communication requirement, meeting sends carrying to base station and sets up request, is communicated so as to obtain user equipment with base station by the carrying of foundation.

In embodiments of the present invention, access transmitted by from E 103 to first base station 101 is general in indicating to carry bearer setup message, and to be actually gangster E 103 be used for instruction user equipment access first base station 101 (equivalent to access first network to the bearer setup message）'s.And in the embodiment of the present invention, actually determine how to access by first base station 101 indicate in the bearer setup message that carries distribute to first network and the second network, the bearer setup message of first network and the second network is respectively used to instruction user equipment access first base station and the second base station.It should be noted that access instruction mentioned here may indicate for the first access, it is also possible to be that in addition to the first access is indicated, other accesses that E 103 is sent are indicated.

Illustrate two kinds of optional distribution conditions by two embodiments separately below：

First, the bearer setup message of first network and the second network is got in being indicated from the first access.

In this case, the bearer setup message of first network and the bearer setup message of the second network are obtained respectively from the first access instruction by first base station. As shown in Fig. 2 the embodiments of the invention provide the second embodiment of communication system.From unlike other embodiment, first base station obtains the load of first network and the second network and sets up information in the present embodiment in being indicated from the first access.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network be UMTS exemplified by illustrate, now first base station is LTE eNB, second base station is UMTS RNC (Rad i o Ne twork Con t ro l l er, radio network controller）.

The present embodiment is specifically included：LTE eNB 201, UMTS RNC 202 and MME 203.

MME 203 is used for, and the first access instruction is sent to eNB 201, and first access indicates that being used for UE 204 accesses eNB 201, and eNB 201 provides the access technology to LTE for UE 204.

The first access that MME203 is sent to eNB 201 indicates that actually gangster E 203 is used to indicate UE 204 access eNB 201, i.e. first base station.And in embodiments of the present invention, eNB 201 not only indicates the first access to be used to indicate that UE 204 accesses first base station, it is additionally operable to indicate that UE 204 accesses the second base station.

In the first access is indicated, UE marks and bearer setup message can be included, UE is identified for determining corresponding UE 204 in the present embodiment, and load, which sets up information, can specifically include NAS PDU and carry I D.

ENB 201 is used for, and receives the first access that MME 203 sends and indicates, by LTE carrier resource and

LTE ^ loads are set up information and sent to UE 204, and the ^ of the LTE, which is carried, sets up information via the described first access instruction acquisition.

The LTE that LTE eNB 201 has itself carrier resource and LTE's⁷Load is set up information and sent to UE 204, equivalent to the wireless load resource that LTE is assigned with for UE 204.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

ENB 201 is additionally operable to, UMTS carrier resource is obtained via RNC 202, and carried the 7 of the carrier resource of the UMTS and UMTS and set up information and send to UE 204, the carrier resource of the UMTS is associated with the UMTS, to distribute UMTS radio bearer resources for UE 204.RNC 202 provides the access technology to UMTS for UE 204.The bearer setup message of the UMTS indicates to obtain via the described first access.

ENB 201 will set up information via the UMTS obtained of RNC 202 carrier resource and UMTS load and send to UE 204, the carrier resource of the UMTS and the UMTS ^ loads, which set up information, to be associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE 204. In the present embodiment, eNB 201 sends LTE and UMTS bearer setup message to UE 204, wherein, UMTS bearer setup message and LTE bearer setup message are all that the same access sent via E 203 is indicated, i.e., what the first access was obtained in indicating.First access indicate it is general carry bearer setup message, and to be usually gangster E be used for the bearer setup message indicates that UE accesses first base station, that is, the bearer setup message of first network that gangster E is indicated.In the present embodiment, the bearer setup message of the MME first networks indicated has actually been redistributed to the bearer setup message into first network and the second network, wherein, the bearer setup message of first network is used to indicate that UE accesses first base station, and the bearer setup message of the second network is then used to indicate that UE accesses the second base station.

According to the above-mentioned technical solution, eNB 201 obtains first network in being indicated from the first access in the present embodiment（) and the second network LTE（UMTS bearer setup message), it is based respectively on the radio bearer resources that LTE and UMTS bearer setup message distributes LTE and UMTS for UE 204, it is achieved thereby that the carrier aggregation of different network, UE 204 is enabled to utilize LTE and UMTS and radio bearer resources, respectively carrier communication is carried out with eNB 201 and RNC 202, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to UE, the waste of resource is reduced.

The bearer setup message of first network and the second network is obtained in same access instruction in the present embodiment.In fact, the bearer setup message of first network and the second network is obtained in can also being indicated by different accesses.It is specifically shown in following one embodiment.

2nd, the bearer setup message of first network and the second network is got in being indicated from different accesses.In some cases, gangster E can repeatedly send the access instruction for same user equipment to base station, for example, when user equipment has voice communication demand, access can be sent to base station to indicate, if user equipment has online communication requirement afterwards, access can be sent again to the base station and indicated.Therefore the embodiment of the present invention can be based respectively on different accesses and indicate to obtain the bearer setup messages of first network and the second network in the case where gangster E sends access instruction at least twice.Illustrated below by one embodiment：

Refer to Fig. 3, the embodiments of the invention provide the 3rd embodiment of communication system, from unlike other embodiment, first base station obtains the bearer setup message of first network in the present embodiment in being indicated from the first access, and the bearer setup message of the second network is obtained in being indicated from the second access.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, and the second network is illustrates exemplified by UMTS, now first base station is LTE eNB, and the second base station is UMTS RNC. The present embodiment is specifically included：LTE eNB 301, UMTS RNC 302 and MME 303.

E 303 is used for, and is indicated to the access of the transmissions of eNB 301 first and the second access instruction, and first access indicates that being used for UE 304 accesses eNB 301, and eNB 301 provides the access technology to LTE for UE 304.

In the first access is indicated, UE marks and bearer setup message can be included, UE is identified carries I D for determining in the present embodiment that corresponding UE 304,7 carries to set up information and can specifically include NAS PDU and 7.In the present embodiment, the first access is indicated and the second access indicates all to correspond to same UE, can be specifically, and the first access is indicated and the second access indicates all to carry same UE marks.

ENB 301 is used for, and receives the first access instruction that MME 303 is sent, the bearer setup message of LTE carrier resource and LTE is sent to UE 304, the first access indicates to include the bearer setup message of the LTE.

The LTE that LTE eNB 301 has itself carrier resource and LTE's⁷Load is set up information and sent to UE 304, equivalent to the wireless load resource that LTE is assigned with for UE 304.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

ENB 301 is additionally operable to, and is received the second access instruction that MME 303 is sent, is obtained via RNC 302

UMTS carrier resource, and carried the 7 of the carrier resource of the UMTS and UMTS and set up information and send to the user equipment, the carrier resource of the UMTS is associated with the UMTS, and resource is carried to distribute wireless the 7 of UMTS for UE 304.RNC 302 provides the access technology to UMTS for UE 304.Second access indicates to include the bearer setup message of the UMTS.

ENB 301 will set up information via the UMTS obtained of RNC 302 carrier resource and UMTS load and send to UE 304, the carrier resource of the UMTS and the UMTS ^ loads, which set up information, to be associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE 304.

ENB 301 obtains UMTS carrier resource via RNC 302, can be specifically to send carrier wave to RNC 302 from eNB 301 to obtain request, RNC 302 judges whether itself has carrier resource, if so, the carrier resource then is back into eNB 301.If it is not, message can be returned to from RNC 302 to eNB 301 so that eNB 301 is stopped.

In the present embodiment, LTE bearer setup message is included in the first access instruction, that is to say, that partly or completely letter is set up in bearer setup message as LTE carrying during can the first access be indicated Breath.UMTS bearer setup message is included in during the second access indicates, that is to say, that partly or completely bearer setup message of the bearer setup message as UMTS during can the second access be indicated.

In the present embodiment, gangster E 303 have sent two access instructions, i.e., the first access is indicated and the second access is indicated, the two accesses indicate to be typically all that MME 303 is used to indicate the accesses of UE 304 eNB 301.Therefore, if the two accesses carry bearer setup message in indicating, and to be usually gangster E be used for the bearer setup message that the two accesses are carried in indicating indicates that UE 304 accesses eNB 301, that is, the LTE bearer setup message that gangster E is indicated.In the present embodiment, wherein one access is indicated（I.e. first access is indicated）In part or all of bearer setup message still as LTE bearer setup message, another access is indicated into (the i.e. second access instruction）In part or all of bearer setup message as UMTS bearer setup message, wherein, LTE load, which sets up information, to be used to indicate that UE 304 accesses eNB 301, and UMTS load sets up information and is then used to indicate that UE 304 accesses RNC 302.

Generally, the first access is designated as relatively early transmission in the access instruction that gangster E is sent twice, and the second access is designated as later transmission in the access instruction that E is sent twice, so that instruction user equipment first accesses first base station.

According to the above-mentioned technical solution, in the present embodiment, the first access that LTE eNB 301 is respectively received gangster E transmissions indicates to indicate with the second access, LTE radio bearer resources are obtained in being indicated from the first access, UMTS radio bearer resources are obtained in being indicated from the second access, it is based respectively on the radio bearer resources that LTE and UMTS bearer setup message distributes LTE and UMTS for UE 304, it is achieved thereby that the carrier aggregation of different network, UE is enabled to utilize LTE and UMTS and radio bearer resources, respectively carrier communication is carried out with eNB and RNC, compared to LTE carrier aggregation can only be carried out in the prior art, further bigger bandwidth is provided to UE, reduce the waste of resource.

It can be seen that, in the embodiment of the present invention, first base station is by the optional distribution condition of above two, and the access that can be sent according to E gets the bearer setup message of first network and the second network in indicating, is respectively used to distribute the radio bearer resources of first network and the second network to UE.

After first base station is assigned with the radio bearer resources of first network and the second network to user equipment, in the embodiment of the present invention, user equipment can be respectively connected to first base station and the second base station using the radio bearer resources of distribution, so as to transmit interaction data between core network element, to meet the communication requirement of user equipment.And the interaction data transmitted usually requires to carry out secrecy processing, in secrecy processing, required key can be the key of first network, or the key of the second network.Illustrate separately below. First, the situation of secrecy processing is carried out by the key of first network.

When carrying out secrecy processing by the key of first network, encryption, decryption are performed by user equipment and first base station.Illustrated below by one embodiment：

The embodiments of the invention provide the fourth embodiment of communication system.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of first network in the present embodiment.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and with the communication system shown in Fig. 2, that is, LTE and UMTS load is set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC.

In the first access is indicated, UE marks and bearer setup message can be included, UE is identified carries I D for determining in the present embodiment that corresponding UE 204,7 carries to set up information and can specifically include NAS PDU and 7.

ENB 201 is used for, and the first access that reception MME 203 is sent is indicated, LTE carrier resource and LTE ^ loads are set up into information sends to UE 204, and the ^ loads of the LTE set up information and indicate to obtain via the described first access.

MME 203 and eNB 201 above-mentioned functions part related to the second embodiment of communication system are similar in the present embodiment, may refer to the second embodiment of communication system.The present embodiment and the difference in communication system second embodiment are stressed below.

Carried in wireless 7 that UMTS is assigned with to UE 204 after resource, just interaction data can be transmitted using UMTS radio bearer resources between UE 204 and core network element, and in the present embodiment, transmission The interaction data is by the key of first network, i.e. LTE key is encrypted.Wherein, core network element refers to first network, i.e. LTE core network element.The core network element can also be included in the present embodiment.

Therefore, eNB 201 is additionally operable to, using UMTS radio bearer resources, the interaction data between transmission UE 204 and the core network element.Wherein, the interaction data carries out secrecy processing by UE 204 and eNB 201 using LTE key.What is utilized during due to the transmission interaction data is UMTS radio bearer resources, therefore LTE eNB is by transmitting interaction data between RNC 202 and UE 204.

Wherein, secrecy processing includes encryption and decryption process, and the interaction data includes the business datum that core network element is sent to UE, and UE feeds back to the communication data of core network element.Transmittance process of the present embodiment to business datum is specifically described below：

Core network element is used for, and the business datum for being issued to UE is sent to eNB 201.

ENB 201 is additionally operable to, and after the business datum sent using LTE key to core network element is encrypted, is sent to RNC 202.

RNC 202 is additionally operable to, and the business datum of encryption is sent to UE 204 by the radio bearer resources for being utilized as the UMTS of UE distribution, to cause UE 204 that the data of the encryption are decrypted using LTE key.

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission direction on the contrary, and be encrypted by UE 204, processing is decrypted by eNB 201.Here repeat no more.

In above-mentioned steps, UE 204 and eNB 201 can obtain LTE key, therefore could carry out secrecy processing to interaction data.Wherein, UE 204 can be preset LTE key or inform the first networks of UE 204 after LTE, to calculate what is obtained by UE by eNB 201.For example, eNB 201 can send the type information of first network, to cause UE 204 to calculate the key of first network when distributing LTE radio bearer resources to UE 204 to UE.And eNB 201-as be the key that LTE is got from MME 203, LTE key is sent to eNB 201 when specifically can receive initial UE message by gangster E 203, wherein, LTE key can MME 203 itself calculate obtain or got at other equipment.

It should be noted that in the present embodiment, having stressed the radio bearer resources for the UMTS for how being utilized as UE distribution, interaction data being transmitted between UE and core network element.It can also perform of course simultaneously, be utilized as the LTE of UE distribution radio bearer resources, interaction data is transmitted between UE and core network element, due to Similar with existing already present mode using LTE radio bearer resources transmission interaction data, this is no longer described in detail the embodiment of the present invention.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS radio bearer resources are assigned with for UE, first base station using distribution UMTS radio bearer resources transmission UE and core network element interaction data when, the interaction data can using LTE key progress secrecy processing.

In a kind of optional mode of the embodiment of the present invention, after successfully the radio bearer resources of the second network are assigned with for user equipment, other equipment can be notified by way of directly or indirectly sending confirmation message by user equipment.

Wherein, the mode for directly transmitting confirmation message is specially, to be assigned with to user equipment after the radio bearer resources of the second network, confirmation message is sent using at least one equipment of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element from user equipment.The confirmation message is used to notify the radio bearer resources that the second network has successfully been assigned with for user equipment.Wherein, the confirmation message can be forwarded between devices, for example, user equipment sends confirmation message to the second base station, then forward the confirmation message from the second base station to first base station and mobility management entity.Wherein, the confirmation message is retransmited after can carrying out integrity protection by user equipment.

Foretell except directly transmitting confirmation message sunset, can also be by way of receiving and sending confirmation message.Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In the fourth embodiment of above-mentioned communication system, due to being responsible for encrypting and decrypting by first base station, therefore, when first base station receives encryption data, if can be using the key successful decryption of the first network encryption data, at least one equipment into second base station, the mobility management entity and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of first network.

2nd, the situation of secrecy processing is carried out by the key of the second network.

When carrying out secrecy processing by the key of the second network, encryption, decryption are performed by user equipment and the second base station, now also needs to be sent the key of the second network to the second base station by gangster E, is illustrated below by one embodiment：

The embodiments of the invention provide the 5th embodiment of communication system.From unlike other embodiment, Secrecy processing is carried out to the interaction data transmitted between user equipment and core network element by the key of the second network in the present embodiment.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and with the communication system shown in Fig. 2, that is, LTE and UMTS load is set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC (Rad i o Ne twork Cont ro l l er, radio network controller）.

In the first access is indicated, UE marks can be included and load sets up information, UE is identified for determining corresponding UE 204 in the present embodiment, and load, which sets up information, can specifically include NAS PDU and carry I D.

E 203 and eNB 201 above-mentioned functions part related to the second embodiment of communication system are similar, may refer to the second embodiment of communication system.The present embodiment and the difference in communication system second embodiment are stressed below.

After UMTS wireless 7 load resource is assigned with to UE 204, just interaction data can be transmitted between UE 204 and core network element using UMTS radio bearer resources, and in the present embodiment, the interaction data of transmission is by the key of the second network, i.e. UMTS key is encrypted.Wherein, core network element refers to first network, i.e. LTE core network element.The core network element can also be included in the present embodiment.And, it is necessary to first cause the second base station to obtain the key of the second network before transmission interaction data.

Therefore, eNB 201 is additionally operable to, and notifies MME 203 to send UMTS key to RNC 202, with So that interaction data carries out secrecy processing by the UE 204 and RNC 202 using UMTS key.Wherein, the interaction data is transmitted by RNC 202 using UMTS wireless load resource, the interaction data between the UE 204 and the core network element.

ENB 201 can be specifically to send cipher key acquisition request to gangster E 203, notify gangster E 203 to send UMTS key to RNC 202 to realize.The cipher key acquisition request can be current already present request, such as cipher key acquisition request can be " handover request " when realizing network switching at present, because all carryings all can be transferred on RNC by MME when receiving " handover request ", therefore, it can also add and indicate in " handover request ", represent it is now polymerization rather than the network switching for carrying out different network, therefore the instruction causes gangster E only to send UMTS key to RNC, without all carryings are all gone on RNC.Certainly, the request that the cipher key acquisition request can also be newly introduced, has no effect on the realization of the present invention.Wherein, UMTS key can gangster E 203 itself calculate obtain or got at other equipment.For example, carrying the type information of the second network in the cipher key acquisition request（Such as the second network is UMTS) so that gangster E 203 calculates UMTS key.

RNC 202 is got after UMTS key, and the key that the interaction data now transmitted between core network element and UE can be just utilized respectively UMTS by RNC and UE carries out secrecy processing.Wherein, secrecy processing includes encryption and decryption process, and interaction data includes the business datum that core network element is sent to user equipment, and user equipment feeds back to the communication data of core network element.Transmittance process of the present embodiment to business datum is specifically described below：

Core network element is used for, and the business datum for being issued to UE is sent to RNC 202.Certain business datum can also be forwarded by eNB 201, have no effect on the realization of the present invention.

RNC 202 is additionally operable to, after the business datum sent by UMTS key to core network element is encrypted, the business datum of encryption is sent to UE 204 using UMTS radio bearer resources, to cause UE 204 that the data of the encryption are decrypted using UMTS key.

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission direction on the contrary, and be encrypted by UE 204, processing is decrypted by RNC 202.Here repeat no more.

In above-mentioned steps, UE 204 and eNB 201 can obtain UMTS key, therefore could carry out secrecy processing to interaction data.Wherein, UE 204 can be preset UMTS key or by ENB 201 informs the networks of UE 204 second after UMTS, to calculate what is obtained by UE 204.For example, eNB 201 can send the type information of the second network, to cause UE 204 to calculate the key of the second network when distributing UMTS wireless load resource to UE 204 to UE 204.And RNC 201 is the key that UMTS is got from MME 203, wherein, UMTS key can MME itself calculate obtaining or got at other equipment.

It should be noted that in the present embodiment, having stressed the radio bearer resources for the UMTS for how being utilized as UE distribution, interaction data being transmitted between UE and core network element.It can also perform of course simultaneously, it is utilized as the LTE of UE distribution radio bearer resources, interaction data is transmitted between UE and core network element, because the radio bearer resources transmission interaction data using LTE is similar with existing already present mode, this is no longer described in detail the embodiment of the present invention.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS wireless load resource is assigned with for UE, RNC using distribution UMTS wireless load resource transfer UE and core network element interaction data when, the interaction data can using UMTS key progress secrecy processing.

In a kind of optional mode of the present embodiment, after successfully the radio bearer resources of the second network are assigned with for user equipment, other equipment can be notified by way of directly or indirectly sending confirmation message by user equipment.Wherein, the mode for directly transmitting confirmation message illustrates in the embodiment of communication system the 5th, repeats no more here.The mode of confirmation message is received and sent between illustrating below.

Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In the above-mentioned embodiment of communication system the 5th, due to being responsible for encrypting and decrypting by the second base station, therefore, when second base station receives encryption data, if can be using the key successful decryption of the second network encryption data, at least one equipment into the first base station, the MME and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

In embodiments of the present invention, first base station notifies gangster E to send the key of the second network to the second base station, is actually in order to which decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network using the key of the second network in the second base station.Therefore, a kind of optional mode of comparison is that first base station is when distributing the radio bearer resources of the second network for user equipment, and the second base station has got the key of the second network, now, the interaction number that the second base station can just be transmitted to the radio bearer resources using the second network According to decryption is encrypted.Certainly, first base station is when distributing the radio bearer resources of the second network for user equipment, second base station may also not get the key of the second network, after the key of the second network is got when the second base station, just interaction data is encrypted, is no longer described in detail for this mode embodiment of the present invention.

Illustrate above-mentioned optional mode below, that is, first base station, when distributing the radio bearer resources of the second network for user equipment, the second base station has got the key of the second network.Two specific embodiments see, for example, under.

The embodiments of the invention provide the sixth embodiment of communication system.From unlike other embodiment, in the present embodiment, first base station for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, and the second network is

UMTS, and with the communication system shown in Fig. 2, that is, LTE and UMTS load set up during information is indicated from the first access obtain exemplified by illustrate.Now first base station is LTE eNB, and the second base station is UMTS RNC₀

MME 203 is used for, and sending the first access to eNB 201 indicates, first access indicates to be used for UE

204 access eNB 201, eNB 201 provide the access technology to LTE for UE 204.

ENB 201 is additionally operable to, and sending first key to MME 203 obtains request, and the first key obtains request and causes E 203 to return to UMTS key to the eNB 201；

Receive the UMTS returned key, carrier wave, which is sent, to RNC 202 obtains request, the carrier wave obtains the key that request carries the UMTS, and causes RNC 202 to return to UMTS carrier resource to eNB 201, and RNC 202 provides the access technology to UMTS for UE 204；And

The UMTS returned carrier resource is received, the 7 of the UMTS carrier resources and UMTS are carried and sets up information and sends to UE 204, the carrier resource of the UMTS is associated with the UMTS, to be UE 204 Distribute UMTS radio bearer resources.The bearer setup message of the UMTS indicates to obtain via the described first access.

Wherein, the information that the second network is UMTS can be carried in first key request, so that MME 203 knows that need return is UMTS key.Also, UMTS key can gangster E 203 itself calculate obtain or got at other equipment.

In the present embodiment, sent UMTS carrier resource and load are set up into information to UE 204, when namely realizing the radio bearer resources to the distribution of UE 204 UMTS, RNC 202 has got UMTS key, therefore, when RNC 202 transmits the interaction data between UE and core network element using UMTS radio bearer resources, it is possible to carry out secrecy processing to the interaction data using UMTS key.

According to the above-mentioned technical solution, stressed in the present embodiment, when distributing UMTS wireless 7 load resource to UE 204, RNC 202 has got UMTS key, therefore, when RNC 202 receives the interaction data transmitted between UE 204 and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process has been incorporated carrier resource acquisition process by the present embodiment, carrier wave, which obtains request, can cause RNC 202 to return to carrier resource, RNC 202 can be caused to obtain UMTS key again, therefore without additionally sending key to RNC 202 again, so as to save communication overhead, communication process is optimized.

Below by another embodiment, first base station is gone on to say when distributing the radio bearer resources of the second network for user equipment, the second base station has got the situation of the key of the second network.

The embodiments of the invention provide the 7th embodiment of communication system.From unlike other embodiment, in the present embodiment, first base station for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

MME 203 is used for, and the first access instruction is sent to eNB 201, and first access indicates that being used for UE 204 accesses eNB 201, and eNB 201 provides the access technology to LTE for UE 204. In the first access is indicated, UE marks and bearer setup message can be included, UE is identified carries I D for determining in the present embodiment that corresponding UE 204,7 carries to set up information and can specifically include NAS PDU and 7.

ENB 201 is additionally operable to, and sending carrier wave to RNC 202 obtains request, and the carrier wave obtains request and causes RNC 202 to return to UMTS carrier resource to eNB 201, and RNC 202 provides the access technology to UMTS for UE 204；

The UMTS returned carrier resource is received, the second cipher key acquisition request is sent to MME 203, second cipher key acquisition request causes MME 203 to return to UMTS key to RNC 202；

After RNC 202 receives UMTS key, the bearer setup message of the UMTS carrier resources and UMTS is sent to UE 204, the carrier resource of the UMTS is associated with the UMTS, and resource is carried to distribute wireless the 7 of UMTS for UE 204.The 7 of the UMTS, which are carried, sets up information via the described first access instruction acquisition.

Wherein, the information that the second network is UMTS can be carried in the second key request, so that MME

203 know that need return is UMTS key.Also, UMTS key can gangster E 203 itself calculate obtain or got at other equipment.

When judging whether RNC 202 receives UMTS key, can receive key information to what eNB 201 was returned by being received from RNC 202 after key, can also be whether key is received by the active inquiry RNC 202 of eNB 201, not influence the realization of the embodiment of the present invention.

According to the above-mentioned technical solution, stressed in the present embodiment, when distributing UMTS wireless 7 load resource to UE 204, RNC 202 has got UMTS key, therefore, when RNC 202 receives the interaction data transmitted between UE 204 and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.Also, key transmission process and carrier resource are obtained in the present embodiment Take process independently of one another, therefore, compared to communication system sixth embodiment, it is necessary to which extra communication overhead sends UMTS key to RNC, and also needs extra communication overhead to judge whether RNC receives key.

In embodiments of the present invention, E is notified to send the key of the second network to the second base station from first base station, here, specific advice method can directly be notified by first base station or notified indirectly by first base station.The mode directly notified is exactly directly to be sent to notify to gangster E from first base station, and the mode notified indirectly is exactly the key that first base station sends the second network via other equipment notice E to the second base station.For example, in the 5th to the 7th embodiment of communication system, eNB 201 can notify gangster E 203 to send UMTS key to RNC 202 via RNC 202, can be specifically that eNB 201 notifies RNC 202 to send cipher key acquisition request to gangster E 203, so that RNC 202 is at a time, for example when receiving interaction data, cipher key acquisition request is sent to gangster E 203.In another example, eNB 201 can also notify gangster E 203 to send UMTS key to RNC 202 via UE 204, can be specifically that eNB 201 notifies UE 204 to send cipher key acquisition request to gangster E 203, so that UE 204 is at a time, for example when receiving UMTS carrier resource and bearer setup message, cipher key acquisition request is sent to gangster E 203.

The communications system embodiment in the embodiment of the present invention is described above, the first base station in the embodiment of the present invention will be described from the angle of hardware handles below.

Fig. 4 is referred to, the embodiments of the invention provide the first embodiment of base station, in the present embodiment, the base station is specially first base station, and the first base station includes：Receiver 401, transmitter 402, processor 403 and memory 404.

The receiver 401 is used for, and receives the first access instruction that gangster E is sent, and via the carrier resource of the second network of the second base station acquisition；First access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment；Second base station provides the access technology to second network for the user equipment.

The transmitter 402 is used for, indicated based on the described first access, the radio bearer resources of the first network are distributed for the user equipment, and send the bearer setup message of the carrier resource of second network and the second network to the user equipment, described the 7 of the carrier resource of second network and the second network, which are carried, sets up that information is associated, so as to the radio bearer resources for user equipment distribution second network.

Wherein, the quantity of processor can be with one or more, with a processor in Fig. 4 in the present embodiment Exemplified by 403.In some embodiments of the invention, receiver 401, transmitter 402, processor 403 and memory 404 can be connected by bus or other manner, wherein, in Fig. 4 exemplified by being connected by bus.

In embodiments of the present invention, MME actually belongs to first network, when gangster E sends access to first base station to be indicated, generally represent that user equipment has the communication requirement of first network, can be specifically user equipment actively connect the communication requirement produced during network or network actively to user equipment PUSH message when the communication requirement that produces etc..

In embodiments of the present invention, first base station can provide the access technology to first network, and the second base station can provide the access technology to the second network.Wherein, first network can be the networks such as LTE, UMTS, CDMA, GERAN, or WLAN.First base station, according to first network type, can be base station or base station controller.For example, if first network is LTE, first base station is base station（ENB), if first network is UMTS, CDMA, GERAN, or WLAN, first base station is base station controller.Similar with first network, the second network can be the networks such as LTE, UMTS, CDMA, GERAN, or WLAN, and the second described base station, according to the second network type, can be base station or base station controller.For example, if the second network is LTE, the second base station is base station（ENB), if the second network is UMTS, CDMA, GERAN, or WLAN, the second base station is base station controller.LTE network can be LTE-A etc..

According to the above-mentioned technical solution, the transmitter 402 of first base station is assigned with the radio bearer resources of first network and the radio bearer resources of the second network to user equipment in the present embodiment, wherein, the radio bearer resources for distributing the second network to user equipment are the carrier resources of the second network by the way that receiver 401 is obtained from the second base station, and second the bearer setup message of network send to the user equipment, and the carrier resource of second network is associated with the bearer setup message of second network realizes.It is achieved thereby that the carrier aggregation of different network, user equipment is enabled to utilize the radio bearer resources of two heterogeneous networks, respectively carrier communication is carried out with first base station and the second base station, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to user equipment, the waste of resource is reduced.

In embodiments of the present invention, can in memory 404 storage program 405, processor 403 causes the first access that receiver 401 performs reception E transmissions to indicate by configuration processor 405, and the carrier resource of the second network is obtained via the second base station, and cause transmitter 402 is performed to be indicated based on the described first access, the radio bearer resources of the first network are distributed for the user equipment, and send the bearer setup message of the carrier resource of second network and the second network to the user equipment, the carrier resource of second network is associated with the bearer setup message of the second network, to distribute institute for the user equipment State the radio bearer resources of the second network.In embodiments of the present invention, bearer setup message refers to the information for setting up carrying, can specifically include NAS PDU and carry ID.

In embodiments of the present invention, transmitter 402 is the radio bearer resources that user equipment is assigned with first network and the second network, it is achieved thereby that the carrier aggregation of different network.Lower mask body has a look the assigning process of the two heterogeneous networks.

Transmitter 402 is indicated based on the first access that E is sent, and is the radio bearer resources that user equipment is assigned with first network, so that user equipment can utilize the radio bearer resources of first network, is set up and communicate to connect with first base station.And in the prior art, the process of the radio bearer resources of user equipment distribution first network has been existed for, therefore the process is no longer described in detail.

Transmitter 402 sends the bearer setup message of the carrier resource of the second network and the second network to the user equipment, and it is associated that the carrier resource of second network sets up information with the load of second network, therefore equivalent to the radio bearer resources that the second network is assigned with for user equipment, so that user equipment can utilize the radio bearer resources of the second network, set up and communicate to connect with the second base station.Wherein, the carrier resource of the second network is that receiver 401 is obtained from the second base station, and the bearer setup message of the second network is actually by first base station（Specifically can processor 403) acquire.The acquisition process of the bearer setup message of the second network is specifically described below.

E can generate bearer setup message according to the communication requirement of user equipment and carry in the access for being sent to receiver 401 is indicated, therefore, first base station（Can be specifically processor 403) access that can be received from receiver 401 gets bearer setup message in indicating, again using the bearer setup message got as the second network bearer setup message, access instruction mentioned here can indicate for the first access, can also be that in addition to the first access is indicated, other accesses that gangster E issues receiver 401 are indicated.In embodiments of the present invention, gangster E issues the access instruction of receiver 401, and generally gangster E is used for instruction user equipment and accesses first base station, therefore, first base station（Can be specifically processor 403) from the bearer setup message for accessing the second network got in instruction, it is actually the bearer setup message that gangster's E instruction users equipment accesses first base station.

Bearer setup message can include NAS PDU and carrying ID, carrying I D set up corresponding ^ for instruction user equipment and carried, and comprising filtering information to indicate which business can be in the ^ loads in NAS PDU Transmission, causes UE to know the corresponding relation of business and carrying by NAS PDU and carrying ID binding.Here, the bearer setup message of the carrier resource of second network and the second network is associated to be referred to, when transmitting interaction data between user equipment and first base station, the second base station or core network element, if what is utilized is the carrier resource of the second network, what the carrying set up particular by bearer setup message of the user equipment based on the second network was transmitted.

In a kind of optional mode of the embodiment of the present invention, user equipment can determine by customer equipment identification, wherein, customer equipment identification can be indicated to carry by the first access, the realization of the embodiment of the present invention can not also be influenceed by indicating to carry in other instructions associated with the first access.The customer equipment identification is specifically as follows UE association signaling marks, the UE S1 Application Protocol for example distributed by MME（SI Appl ica t ion Protocol, i.e. SI AP).

In embodiments of the present invention, receiver 401 can obtain carrier resource via the second base station.During due to obtaining carrier resource to any base station, the base station would generally be also managed moving property of user equipment in addition to it can enter the transmission with user equipment and prepare, and wherein mobile management includes the management such as switching, measurement.And in embodiments of the present invention, only moving property of user equipment can be managed by first base station, therefore in a kind of optional mode of the embodiment of the present invention, first base station（Can be specifically processor 403) it can be also used for the mobile management for forbidding the second base station to user equipment.

In a kind of optional mode of the embodiment of the present invention, receiver 401 obtains carrier resource via the second base station, is realized by procedure below：Transmitter 402 sends carrier wave to the second base station and obtains request, and when carrier wave acquisition request make it that the second base station judges that it has carrier resource, the carrier resource is returned to receiver 401.Carrier wave acquisition asks the request that can be newly introduced or in current already present request.For example, when realizing access network switching at present, the base station before switching can send " reconfiguration request " to cause the base station after switching to return to carrier resource to the base station after switching.Therefore it can be " reconfiguration request " for realizing access network switching at present that the carrier wave that the present invention is applied in example, which obtains request,.Certainly, it can also add and indicate in " reconfiguration request " in the embodiment of the present invention, represent it is now to carry out carrier aggregation, therefore mobile management of second base station to user equipment is forbidden in the instruction.

In the present embodiment, transmitter 402 can distribute the radio bearer resources of the second network to user equipment, actually illustrate user equipment and have access to the second network, in a kind of optional mode of the embodiment of the present invention, first base station（Can be specifically processor 403) it can be also used for judging whether user equipment has access to the second network, if it can, receiver 401 and transmitter 402 continue executing with its function, that is, normally Work, if it could not, receiver 401 and transmitter 402 can be notified to be stopped, or judges until judged result is yes so that some cycles circulation execution is above-mentioned.For example, if it is judged that user equipment can not support the second network, it is to be understood that hereafter user equipment can not also access the second network, receiver 401 and transmitter 402 can be now notified to be stopped.If judging that user equipment can support the second network, but be now not under the signal cover of the second network, although then explanation user equipment can not now access the second network, but with the movement of user equipment, it is possible to be moved under the signal cover of the second network, therefore now above-mentioned judgement can be performed with some cycles circulation, until judging that user equipment has access to the second network, then receiver 401 and transmitter 402 continue executing with its function.Here, judge whether user equipment has access to the second network and be specifically as follows：Judge whether user equipment can support the second network and under the signal cover of second network.

In the embodiment of the present invention, gangster E can send access to receiver 401 and indicate（Such as first access is indicated）Here, access indicates can be the message being newly introduced, can also be in current already present message, for example, access instruction can set up request for carrying, when user equipment has communication requirement, meeting sends carrying to base station and sets up request, is communicated so as to obtain user equipment with base station by the carrying of foundation.

In embodiments of the present invention, it is general during access transmitted by from E to receiver 401 is indicated to carry bearer setup message, and to be actually MME 13 be used for instruction user equipment to the bearer setup message accesses first base station（Equivalent to access first network）'s.And in the embodiment of the present invention, actually by first base station（Can be specifically processor 403) determine how to access indicate in the bearer setup message that carries distribute to first network and the second network, the bearer setup message of first network and the second network is respectively used to instruction user equipment access first base station and the second base station.It should be noted that access instruction mentioned here may indicate for the first access, it is also possible to be that in addition to the first access is indicated, other accesses that gangster E is sent are indicated.

In this case, the bearer setup message of first network and the bearer setup message of the second network are obtained respectively in being indicated from the first access.

As shown in figure 5, the embodiments of the invention provide the second embodiment of first base station.From unlike other embodiment, the bearer setup message of first network and the second network is obtained in being indicated in the present embodiment from the first access. And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network be UMTS exemplified by illustrate, now first base station is LTE eNB, second base station is UMTS RNC (Rad io Network Cont ro l l er, radio network controller）.

The present embodiment is specifically included：Receiver 501, transmitter 502, processor 503 and memory 504.The receiver 501 is used for, and receives the first access instruction that gangster E is sent, and obtain via RNC

UMTS carrier resource；First access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE；The RNC provides the access technology to UMTS for the UE.

Accessed first in instruction, UE marks and bearer setup message can be included, UE is identified for determining corresponding UE in the present embodiment, and 7 loads set up information specifically can carry I D including NAS PDU and 7.

The transmitter 502 is used for, and the bearer setup message of LTE carrier resource and LTE is sent to the UE, the bearer setup message of the LTE indicates to obtain via the described first access.Wherein, LTE bearer setup message can specifically be obtained by processor 503 or obtained by eNB other devices.

ENB itself LTE having carrier resource and LTE ^ loads are set up information and sent to UE by transmitter 502, equivalent to the radio bearer resources that LTE is assigned with for UE.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

The first access that MME is sent to eNB indicates that actually MME is used to indicate UE access eNB, i.e. first base station.And in embodiments of the present invention, eNB not only indicates the first access to be used to indicate that UE accesses first base station, it is additionally operable to indicate that UE accesses the second base station.

The transmitter 502 is additionally operable to, the UMTS carrier resource and UMTS bearer setup message that the receiver 401 is obtained are sent to the UE, the carrier resource of the UMTS is associated with UMTS bearer setup message, and resource is carried to distribute wireless the 7 of UMTS for the UE.The 7 of the UMTS, which are carried, sets up information via the described first access instruction acquisition.Wherein, UMTS bearer setup message can specifically be obtained by processor 503 or obtained by eNB other devices.

Receiver 501 is set up information via the RNC UMTS obtained carrier resource and UMTS load and sent to UE by transmitter 502, the carrier resource of the UMTS and the UMTS 7 loads, which set up information, to be associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE.

In the present embodiment, transmitter 502 sends LTE and UMTS bearer setup message to UE, Wherein, UMTS bearer setup message and LTE bearer setup message are all that the same access sent via E is indicated, i.e., what the first access was obtained in indicating.First access indicate it is general carry bearer setup message, and to be usually gangster E be used for the bearer setup message indicates that UE accesses first base station, that is, the bearer setup message of first network that gangster E is indicated.In the present embodiment, the bearer setup message of the gangster E first networks indicated has actually been redistributed to the bearer setup message into first network and the second network, wherein, the bearer setup message of first network is used to indicate that UE accesses first base station, and the bearer setup message of the second network is then used to indicate that UE accesses the second base station.

According to the above-mentioned technical solution, eNB obtains first network in being indicated from the first access in the present embodiment（) and the second network LTE（UMTS bearer setup message), it is based respectively on the radio bearer resources that LTE and UMTS bearer setup message distributes LTE and UMTS for UE, it is achieved thereby that the carrier aggregation of different network, UE is enabled to utilize LTE and UMTS and radio bearer resources, respectively carrier communication is carried out with eNB and RNC, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to UE, the waste of resource is reduced.

As shown in fig. 6, the embodiments of the invention provide the 3rd embodiment of first base station.From unlike other embodiment, the bearer setup message of first network is obtained in being indicated in the present embodiment from the first access, the bearer setup message of the second network is obtained in being indicated from the second access.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, and the second network is illustrates exemplified by UMTS, now first base station is LTE eNB, and the second base station is UMTS RNC.

The present embodiment is specifically included：Receiver 601, transmitter 602, processor 603 and memory 604. The receiver 601 is used for, and receives the first of gangster E transmissions and accesses instruction and the second access instruction, and via RNC acquisitions UMTS carrier resource；First access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE；The RNC provides the access technology to UMTS for the UE.

Accessed first in instruction, UE marks and bearer setup message can be included, UE is identified for determining corresponding UE in the present embodiment, and 7 loads set up information specifically can carry I D including NAS PDU and 7.In the present embodiment, the first access is indicated and the second access indicates all to correspond to same UE, can be specifically, and the first access is indicated and the second access indicates all to carry same UE marks.

The transmitter 602 is used for, and the bearer setup message of LTE carrier resource and LTE is sent to the UE, the first access indicates to include the bearer setup message of the LTE.

ENB itself LTE having carrier resource and LTE ^ loads are set up information and sent to UE by transmitter 602, equivalent to the radio bearer resources that LTE is assigned with for UE.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

The transmitter 602 is additionally operable to, the carrier resource for the UMTS that the receiver 401 is obtained and UMTS ^ loads are set up information and sent to the UE, the carrier resource of the UMTS and UMTS ^, which are carried, sets up that information is associated, so as to the radio bearer resources for UE distribution UMTS.Second access indicates that 7 loads for including the UMTS set up information.

Receiver 601 is set up information via the RNC UMTS obtained carrier resource and UMTS load and sent to UE by transmitter 602, the carrier resource of the UMTS and the UMTS 7 loads, which set up information, to be associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE.

In the present embodiment, LTE bearer setup message is included in during the first access indicates, that is to say, that can be partly or completely bearer setup message of the bearer setup message as LTE during the first access is indicated.UMTS bearer setup message is included in during the second access indicates, that is to say, that partly or completely bearer setup message of the bearer setup message as UMTS during can the second access be indicated.

Wherein, during the first access is indicated partly or completely bearer setup message as LTE bearer setup message can specifically be performed by processor 603 or performed by eNB other devices.During second access is indicated partly or completely bearer setup message as UMTS bearer setup message can specifically be performed by processor 603 or performed by eNB other devices. In the present embodiment, gangster E have sent two access instructions, i.e., the first access is indicated and the second access is indicated, the two accesses indicate to be typically all that gangster E is used to indicate UE accesses eNB.Therefore, if the two accesses carry bearer setup message in indicating, and to be usually gangster E be used for the bearer setup message that the two accesses are carried in indicating indicates that UE accesses eNB, that is, the LTE bearer setup message that gangster E is indicated.In the present embodiment, eNB (being specifically as follows processor 603) indicates wherein one access（I.e. first access is indicated）In part or all of bearer setup message still as LTE bearer setup message, eNB (being specifically as follows processor 603) indicates another access（I.e. second access is indicated）In part or all of bearer setup message as UMTS bearer setup message, wherein, LTE bearer setup message is used to indicate that UE accesses eNB, and UMTS bearer setup message is then used to indicate that UE accesses RNC.

According to the above-mentioned technical solution, in the present embodiment, the first access that receiver 601 is respectively received E transmissions indicates to indicate with the second access, eNB obtains LTE radio bearer resources in being indicated from the first access, UMTS radio bearer resources are obtained in being indicated from the second access, emitter 602 is based respectively on the 7 of LTE and UMTS and carries the wireless 7 load resource for setting up information for UE distribution LTE and UMTS, it is achieved thereby that the carrier aggregation of different network, UE is enabled to utilize LTE and UMTS and radio bearer resources, respectively carrier communication is carried out with eNB and RNC, compared to LTE carrier aggregation can only be carried out in the prior art, further bigger bandwidth is provided to UE, reduce the waste of resource.

After first base station is assigned with the radio bearer resources of first network and the second network to user equipment, in the embodiment of the present invention, user equipment can be respectively connected to first base station and the second base station using the radio bearer resources of distribution, so as to transmit interaction data between core network element, to meet the communication requirement of user equipment.And the interaction data transmitted usually requires to carry out secrecy processing, in secrecy processing, required key can be the key of first network, or the key of the second network.Illustrate separately below.

First, the situation of secrecy processing is carried out by the key of first network. When carrying out secrecy processing by the key of first network, encryption, decryption are performed by user equipment and first base station.Illustrated below by one embodiment：

The embodiments of the invention provide the fourth embodiment of first base station.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of first network in the present embodiment.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and with the first base station shown in Fig. 5, that is, LTE and UMTS 7 is carried to set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC₀

The present embodiment is specifically included：Receiver 5 01, transmitter 502, processor 503 and memory 504.The receiver 501 is used for, and receives the first access instruction that gangster E is sent, and via RNC acquisitions UMTS carrier resource；First access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE；The RNC provides the access technology to UMTS for the UE.

The transmitter 5 02 is additionally operable to, the UMTS carrier resource and UMTS bearer setup message that the receiver 401 is obtained are sent to the UE, the carrier resource of the UMTS is associated with UMTS bearer setup message, and resource is carried to distribute wireless the 7 of UMTS for the UE.The 7 of the UMTS, which are carried, sets up information via the described first access instruction acquisition.Wherein, UMTS bearer setup message specifically can be obtained by processor 5 03 or obtained by eNB other devices.

The above-mentioned functions of receiver 501 and transmitter 502 part related to the second embodiment of first base station is similar in the present embodiment, may refer to the second embodiment of first base station.The present embodiment and the difference in first base station second embodiment are stressed below.

It is assigned with to UE after UMTS radio bearer resources, just can profit between UE and core network element Interaction data is transmitted with UMTS radio bearer resources, and in the present embodiment, the interaction data of transmission is by the key of first network, i.e. LTE key is encrypted.Wherein, core network element refers to first network, i.e. LTE core network element.

Therefore, receiver 501 and transmitter 502 are additionally operable to, and are carried resource using wireless the 7 of UMTS, are transmitted the interaction data between the user equipment and core network element.Wherein, the interaction data is by the user equipment and first base station（Can be specifically processor 5 03), utilize first network key carry out secrecy processing.What is utilized during due to the transmission interaction data is UMTS radio bearer resources, therefore eNB is by transmitting interaction data between RNC and UE.

Wherein, receiver 501 is used to receive the interaction data that UE and core network element are sent, and transmitter 502 is used to send interaction data to UE and core network element.Secrecy processing includes encryption and decryption process, and the interaction data includes the business datum that core network element is sent to UE, and UE feeds back to the communication data of core network element.Transmittance process of the present embodiment to business datum is specifically described below：

The business datum that core network element is issued to UE is sent to eNB receiver 501.

After the business datum that eNB (being specifically as follows processor 503) is received using LTE key to receiver 501 is encrypted, encryption data is sent to by RNC by transmitter 5 02.

The business datum of encryption is sent to UE by the radio bearer resources that RNC is utilized as the UMTS of UE distribution, to cause UE that the data of the encryption are decrypted using LTE key.

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission direction on the contrary, and be encrypted by UE, processing is decrypted by eNB.Here repeat no more.

In above-mentioned steps, UE and eNB can obtain LTE key, therefore could carry out secrecy processing to interaction data.Wherein, UE can be preset LTE key or inform UE first networks by transmitter 502 after LTE, to calculate what is obtained by UE by eNB.For example, transmitter 502 can send the type information of first network, to cause UE to calculate the key of first network when distributing LTE radio bearer resources to UE to UE.And eNB-as be the key that LTE is got from MME, LTE key is sent to eNB when specifically can receive initial UE message by gangster E, wherein, LTE key can gangster E itself calculate obtain or got at other equipment.

It should be noted that in the present embodiment, having stressed the radio bearer resources for the UMTS for how being utilized as UE distribution, interaction data being transmitted between UE and core network element.It can also perform, utilize of course simultaneously For the UE LTE distributed radio bearer resources, interaction data is transmitted between UE and core network element, because the radio bearer resources transmission interaction data using LTE is similar with existing already present mode, this is no longer described in detail the embodiment of the present invention.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS radio bearer resources are assigned with for UE, when transmitter and the UMTS of receiver utilization distribution radio bearer resources transmission UE and core network element interaction data, the interaction data can carry out secrecy processing using LTE key.

, can also be by way of receiving and sending confirmation message in addition to directly transmitting confirmation message.Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In the fourth embodiment of above-mentioned first base station, encrypting and decrypting can be responsible for by processor 5 03, therefore, when processor 503 is additionally operable to receive encryption data, if can be using the key successful decryption of the first network encryption data, at least one equipment into second base station, the mobility management entity and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of first network.

When carrying out secrecy processing by the key of the second network, encryption, decryption are performed by user equipment and the second base station, now also needs to be sent the key of the second network to the second base station by gangster E, is illustrated below by one embodiment： The embodiments of the invention provide the 5th embodiment of first base station.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of the second network in the present embodiment.

The transmitter 5 02 is additionally operable to, the UMTS carrier resource and UMTS bearer setup message that the receiver 401 is obtained are sent to the UE, the carrier resource of the UMTS is associated with UMTS bearer setup message, to distribute UMTS wireless load resource for the UE.The ^ of the UMTS, which is carried, sets up information via the described first access instruction acquisition.Wherein, UMTS bearer setup message specifically can be obtained by processor 5 03 or obtained by eNB other devices.

It is assigned with to UE after UMTS radio bearer resources, just interaction data can be transmitted between UE and core network element using UMTS radio bearer resources, and in the present embodiment, the interaction data of transmission is by the key of the second network, i.e. UMTS key is encrypted.Wherein, core network element refers to first The core network element of network, i.e. LTE.And, it is necessary to first cause the second base station to obtain the key of the second network before transmission interaction data.

The transmitter 502 is additionally operable to, and notifies the gangster E to send UMTS key to the RNC, to cause interaction data that by the UE and the RNC, secrecy processing is carried out using UMTS key；The interaction data is transmitted by RNC using UMTS radio bearer resources, the interaction data between the UE and the core network element.

Transmitter 502 can be specifically to send cipher key acquisition request to MME, notify MME to send UMTS key to RNC to realize.The cipher key acquisition request can be current already present request, such as cipher key acquisition request can be " handover request " when realizing network switching at present, because all carryings all can be transferred on RNC by MME when receiving " handover request ", therefore, it can also add and indicate in " handover request ", represent it is now polymerization rather than the network switching for carrying out different network, therefore the instruction causes gangster E only to send UMTS key to RNC, without all carryings are all gone on RNC.Certainly, the request that the cipher key acquisition request can also be newly introduced, has no effect on the realization of the present invention.Wherein, UMTS key can gangster E itself calculate obtain or got at other equipment.For example, carrying the type information of the second network in the cipher key acquisition request（Such as the second network is UMTS) so that MME calculates UMTS key.

RNC is got after UMTS key, and the key that the interaction data now transmitted between core network element and UE can be just utilized respectively UMTS by RNC and UE carries out secrecy processing.Wherein, secrecy processing includes encryption and decryption process, and the interaction data includes the business datum that core network element is sent to UE, and UE feeds back to the communication data of core network element.Transmittance process of the present embodiment to business datum is specifically described below：

The business datum that core network element is issued to UE is sent to RNC.Certain business datum can also be realized by eNB receiver 501 and transmitter 502 and forwarded, and have no effect on the realization of the present invention.

After the business datum that RNC is sent by UMTS key to core network element is encrypted, the business datum of encryption is sent to UE using UMTS radio bearer resources, to cause UE that the data of the encryption are decrypted using UMTS key.

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission direction on the contrary, and be encrypted by UE, processing is decrypted by RNC.Here repeat no more.

In above-mentioned steps, UE and RNC can obtain UMTS key, therefore interaction data could be entered Row secrecy processing.Wherein, UE can be preset UMTS key or inform the networks of UE second by transmitter 502 after UMTS, to calculate what is obtained by UE by eNB.For example, transmitter 502 can send the type information of the second network, to cause UE to calculate the key of the second network when distributing UMTS radio bearer resources to UE to UE.And RNC is the key that UMTS is got from E, wherein, UMTS key can gangster E itself calculate obtaining or got at other equipment.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS wireless load resource is assigned with for UE, RNC using distribution UMTS wireless load resource transfer UE and core network element interaction data when, the interaction data can carry out secrecy processing using UMTS key, and the key that RNC gets UMTS is to notify gangster E to realize by transmitter 502.

In a kind of optional mode of the present embodiment, after successfully the radio bearer resources of the second network are assigned with for user equipment, other equipment can be notified by way of directly or indirectly sending confirmation message by user equipment.Wherein, the mode for directly transmitting confirmation message illustrates in the 5th embodiment of first base station, repeats no more here.The mode of confirmation message is received and sent between illustrating below.

Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In the 5th embodiment of above-mentioned first base station, due to being responsible for encrypting and decrypting by the second base station, therefore, when second base station receives encryption data, if can be using the key successful decryption of the second network encryption data, at least one equipment into the first base station, the gangster E and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

In embodiments of the present invention, transmitter 502 notifies gangster E to send the key of the second network to the second base station, is actually in order to which decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network using the key of the second network in the second base station.Therefore, a kind of optional mode of comparison is that transmitter 502 is when distributing the radio bearer resources of the second network for user equipment, and the second base station has got second Just decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network in the key of network, now, the second base station.Certainly, transmitter 502 is when distributing the radio bearer resources of the second network for user equipment, second base station may also not get the key of the second network, after the key of the second network is got when the second base station, just interaction data is encrypted, is no longer described in detail for this mode embodiment of the present invention.

Illustrate above-mentioned optional mode below, that is, transmitter 502, when distributing the radio bearer resources of the second network for user equipment, the second base station has got the key of the second network.Two specific embodiments see, for example, under.The embodiments of the invention provide the sixth embodiment of first base station.From unlike other embodiment, in the present embodiment, transmitter 502 for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and with the first base station shown in Fig. 5, that is, LTE and UMTS 7 is carried to set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC.

The present embodiment is specifically included：Receiver 5 01, transmitter 502, processor 503 and memory 504.The receiver 501 is used for, and receives the first access instruction that MME is sent；First access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE.

The transmitter 502 is additionally operable to, first key, which is sent, to the gangster E obtains request, the first key obtains request and causes the E to return to UMTS key to the receiver 501, carrier wave, which is sent, to RNC obtains request, the carrier wave obtains the key that request carries the UMTS, and causes the RNC to return to UMTS carrier resource to the receiver 501.The RNC provides connecing to UMTS for the UE Enter technology.

The receiver 501 is additionally operable to, and receives the key for the UMTS that gangster E is returned, and receive the carrier resource for the UMTS that RNC is returned；

The transmitter 502 is additionally operable to, the carrier resource for the UMTS that the receiver 501 is received and UMTS 7 loads are set up information and sent to the UE, the 7 of the carrier resource of the UMTS and UMTS, which are carried, sets up that information is associated, so as to the radio bearer resources for UE distribution UMTS.The bearer setup message of the UMTS indicates to obtain via the described first access.Wherein, UMTS bearer setup message can specifically be obtained by processor 503 or obtained by eNB other devices.

Wherein, the information that the second network is UMTS can be carried in first key request, so that MME knows that need return is UMTS key.Also, UMTS key can gangster E itself calculate obtain or got at other equipment.

In the present embodiment, UMTS carrier resource and load are set up into information in transmitter 502 to send to UE, when namely realizing that distributing wireless the 7 of UMTS to UE carries resource, RNC has got UMTS key, therefore, when RNC transmits the interaction data between UE and core network element using UMTS radio bearer resources, it is possible to carry out secrecy processing to the interaction data using UMTS key.

According to the above-mentioned technical solution, stressed in the present embodiment, when transmitter 502 distributes UMTS radio bearer resources to UE, RNC has got UMTS key, therefore, when RNC receives the interaction data transmitted between UE and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process has been incorporated carrier resource acquisition process by the present embodiment, carrier wave, which obtains request, can cause RNC to return to carrier resource, RNC can be caused to obtain UMTS key again, therefore without additionally sending key to RNC again, so as to save communication overhead, communication process is optimized.

Below by another embodiment, transmitter 502 is gone on to say when distributing the radio bearer resources of the second network for user equipment, the second base station has got the situation of the key of the second network.

The embodiments of the invention provide the 7th embodiment of first base station.From unlike other embodiment, in the present embodiment, transmitter 502 for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, and the second network is UMTS, and with the first base station shown in Fig. 5, that is, LTE and UMTS 7 are carried to set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC₀

The present embodiment is specifically included：Receiver 5 01, transmitter 502, processor 503 and memory 504.The receiver 501 is used for, and receives the first access instruction that gangster E is sent；First access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE.

The transmitter 502 is additionally operable to, carrier wave, which is sent, to RNC obtains request, the carrier wave obtains request and causes the RNC to return to UMTS carrier resource to the receiver 501, and the second cipher key acquisition request is sent to the MME, second cipher key acquisition request causes the MME to return to UMTS key to the RNC.The RNC provides the access technology to UMTS for the UE.

The receiver 501 is additionally operable to, and receives the carrier resource for the UMTS that RNC is returned；

The transmitter 502 is additionally operable to, after the key that the RNC receives the UMTS, the UMTS carrier resource and UMTS bearer setup message that the receiver 501 is received are sent to the UE, the 7 of the carrier resource of the UMTS and UMTS, which are carried, sets up that information is associated, so as to the radio bearer resources for UE distribution UMTS.The bearer setup message of the UMTS indicates to obtain via the described first access.Wherein, UMTS bearer setup message can specifically be obtained by processor 503 or obtained by eNB other devices.

Wherein, the information that the second network is UMTS can be carried in the second key request, so that MME knows that need return is UMTS key.Also, UMTS key can gangster E itself calculate obtain or got at other equipment.

Can receive key information to what receiver 501 was returned by being received from RNC after key or be by the active inquiry RNC of transmitter 502 when judging whether RNC receives UMTS key It is no to receive key, do not influence the realization of the embodiment of the present invention.

According to the above-mentioned technical solution, stressed in the present embodiment, when transmitter 502 distributes UMTS wireless load resource to UE, RNC has got UMTS key, therefore, when RNC receives the interaction data transmitted between UE and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process and carrier resource acquisition process are independent of one another in the present embodiment, therefore, compared to the sixth embodiment of first base station, need extra communication overhead to send UMTS key to RNC, and also need extra communication overhead to judge whether RNC receives key.

In embodiments of the present invention, MME is notified to send the key of the second network to the second base station from transmitter 502, here, specific advice method can directly be notified by transmitter 5 02 or notified indirectly by transmitter 502.The mode directly notified is exactly directly to be sent to notify to gangster E from transmitter 502, and to be exactly transmitter 502 notify gangster E to send the key of the second network to the second base station to the mode notified indirectly via other equipment.For example, in the 5th to the 7th embodiment of first base station, transmitter 502 can notify gangster E to send UMTS key to RNC via RNC, can be specifically that transmitter 502 notifies RNC to send cipher key acquisition request to gangster E, so that RNC is at a time, for example when receiving interaction data, cipher key acquisition request is sent to gangster E.In another example, transmitter 5 02 can also notify MME to send UMTS key to RNC via UE, can be specifically that transmitter 502 notifies UE to send cipher key acquisition request to E, so that UE is at a time, for example when receiving UMTS carrier resource and bearer setup message, cipher key acquisition request is sent to E.

The first base station in the embodiment of the present invention is described from the angle of hardware handles above, the first base station in the embodiment of the present invention be described the angle of slave module functional entity below.

Fig. 7 is referred to, the embodiments of the invention provide the 8th embodiment of base station, in the present embodiment, the base station is specially first base station, and the first base station includes：Receiving unit 701, allocation unit 702, acquiring unit 703 and transmitting element 704. Receiving unit 701 is used for, and receives the first access instruction that gangster E is sent；First access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment.

Allocation unit 702 is used for, and is indicated based on the described first access, is the radio bearer resources that the user equipment distributes the first network.

Acquiring unit 703 is used for, and the carrier resource of the second network is obtained via the second base station；Second base station provides the access technology to second network for the user equipment.

Transmitting element 704 is used for, the carrier resource and bearer setup message of second network are sent to the user equipment, the carrier resource of second network is associated with the bearer setup message, to distribute the radio bearer resources of second network for the user equipment.

According to the above-mentioned technical solution, the allocation unit 702 of first base station is assigned with the radio bearer resources of first network to user equipment in the present embodiment, transmitting element 704 is assigned with the radio bearer resources of the second network to user equipment, wherein, the radio bearer resources for distributing the second network to user equipment are the carrier resources of the second network by the way that acquiring unit 703 is obtained from the second base station, and second the bearer setup message of network send to the user equipment, and the carrying of the carrier resource of second network and second network Set up the associated realization of information.It is achieved thereby that the carrier aggregation of different network, user equipment is enabled to utilize the radio bearer resources of two heterogeneous networks, respectively carrier communication is carried out with first base station and the second base station, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to user equipment, the waste of resource is reduced.

In embodiments of the present invention, bearer setup message refers to the information for setting up carrying, can specifically include NAS PDU and carry ID.

In embodiments of the present invention, allocation unit 702 is assigned with the radio bearer resources of first network to user equipment, and transmitting element 704 is assigned with the radio bearer resources of the second network to user equipment, it is achieved thereby that the carrier aggregation of different network.Lower mask body has a look the assigning process of the two heterogeneous networks.

Allocation unit 702 is indicated based on the first access that E is sent, and is the radio bearer resources that user equipment is assigned with first network, so that user equipment can utilize the radio bearer resources of first network, is set up and communicate to connect with first base station.And in the prior art, the process of the radio bearer resources of user equipment distribution first network has been existed for, therefore the process is no longer described in detail.

Transmitting element 704 sends the bearer setup message of the carrier resource of the second network and the second network to the user equipment, and it is associated that the carrier resource of second network sets up information with the load of second network, therefore equivalent to the radio bearer resources that the second network is assigned with for user equipment, so that user equipment can utilize the radio bearer resources of the second network, set up and communicate to connect with the second base station.Wherein, the carrier resource of the second network is that acquiring unit 703 is obtained from the second base station, and the bearer setup message of the second network is actually what is acquired by first base station.The acquisition process of the bearer setup message of the second network is specifically described below.

Gangster E can generate bearer setup message according to the communication requirement of user equipment and carry in the access for being sent to receiving unit 701 is indicated, therefore, first base station（Can be specifically acquiring unit or other units）The access that can be received from receiving unit 701 gets bearer setup message in indicating, again using the bearer setup message got as the second network bearer setup message, access instruction mentioned here can indicate for the first access, can also be that in addition to the first access is indicated, other accesses that E issues receiving unit 701 are indicated.In embodiments of the present invention, the access that MME issues receiving unit 701 is indicated, generally gangster E is used for instruction user equipment and accesses first base station, therefore, the bearer setup message for the second network that first base station is got in being indicated from access, is actually the bearer setup message that E instruction users equipment accesses first base station. Bearer setup message can include NAS PDU and carrying I D, carrying I D set up corresponding ^ for instruction user equipment and carried, and comprising filtering information to indicate which business can be transmitted in the ^ loads in NAS PDU, cause UE to know the corresponding relation of business and carrying by NAS PDU and carrying I D binding.Here, the bearer setup message of the carrier resource of second network and the second network is associated to be referred to, when transmitting interaction data between user equipment and first base station, the second base station or core network element, if what is utilized is the carrier resource of the second network, what the carrying set up particular by bearer setup message of the user equipment based on the second network was transmitted.

In a kind of optional mode of the embodiment of the present invention, user equipment can determine by customer equipment identification, wherein, customer equipment identification can be indicated to carry by the first access, the realization of the embodiment of the present invention can not also be influenceed by indicating to carry in other instructions associated with the first access.The customer equipment identification is specifically as follows UE association signaling marks, the application protocols of UE S 1 for example distributed by MME（S I App l i ca t i on Pro t oco l, i.e. S I AP).

In embodiments of the present invention, acquiring unit 703 can obtain carrier resource via the second base station.During due to obtaining carrier resource to any base station, the base station would generally be also managed moving property of user equipment in addition to it can enter the transmission with user equipment and prepare, and wherein mobile management includes the management such as switching, measurement.And in embodiments of the present invention, only moving property of user equipment can be managed by first base station, therefore in a kind of optional mode of the embodiment of the present invention, first base station can also include forbidden cell, and the forbidden cell is used to forbid mobile management of second base station to user equipment.

In a kind of optional mode of the embodiment of the present invention, acquiring unit 703 obtains carrier resource via the second base station, is realized by procedure below：Acquiring unit 703 sends carrier wave to the second base station and obtains request, and when carrier wave acquisition request make it that the second base station judges that it has carrier resource, the carrier resource is returned to acquiring unit 703.Carrier wave acquisition asks the request that can be newly introduced or in current already present request.For example, when realizing access network switching at present, the base station before switching can send " reconfiguration request " to cause the base station after switching to return to carrier resource to the base station after switching.Therefore it can be " reconfiguration request " for realizing access network switching at present that the carrier wave that the present invention is applied in example, which obtains request,.Certainly, it can also add and indicate in " reconfiguration request " in the embodiment of the present invention, represent it is now to carry out carrier aggregation, therefore mobile management of second base station to user equipment is forbidden in the instruction.

In the present embodiment, transmitting element 704 can distribute the radio bearer resources of the second network to user equipment, actually illustrate user equipment and have access to the second network, in a kind of optional side of the embodiment of the present invention In formula, first base station can also include judging unit, the judging unit is used to judge whether user equipment has access to the second network, if can, receiving unit 701, allocation unit 702, acquiring unit 703 and transmitting element 704 continue executing with its function, namely normal work, if can not, it can be stopped, or judged so that some cycles circulation execution is above-mentioned until judged result is yes with notification receiving unit 701, allocation unit 702, acquiring unit 703 and transmitting element 704.For example, if it is determined that unit judges, which go out user equipment, can not support the second network, it is appreciated that, hereafter user equipment can not also access the second network, and now judging unit can be stopped with notification receiving unit 701, allocation unit 702, acquiring unit 703 and transmitting element 704.If it is determined that unit judges, which go out user equipment, can support the second network, but be now not under the signal cover of the second network, although then explanation user equipment can not now access the second network, but with the movement of user equipment, it is possible to be moved under the signal cover of the second network, therefore now judging unit can perform above-mentioned judgement with some cycles circulation, until judging that user equipment has access to the second network, then notification receiving unit 701, allocation unit 702, acquiring unit 703 and transmitting element 704 continue executing with its function.Here, judging unit judges whether user equipment has access to the second network and be specifically as follows：Judging unit judges whether user equipment can support the second network and under the signal cover of second network.

In the embodiment of the present invention, gangster E can send access to receiving unit 701 and indicate（Such as first access is indicated）Here, access indicates can be the message being newly introduced, can also be in current already present message, for example, access instruction can set up request for carrying, when user equipment has communication requirement, meeting sends carrying to base station and sets up request, is communicated so as to obtain user equipment with base station by the carrying of foundation.

In embodiments of the present invention, it is general during access transmitted by from gangster E to receiving unit 701 is indicated to carry bearer setup message, and to be actually gangster E be used for instruction user equipment to the bearer setup message accesses first base station（Equivalent to access first network）'s.And in the embodiment of the present invention, actually determine how to access by first base station indicate in the bearer setup message that carries distribute to first network and the second network, the bearer setup message of first network and the second network is respectively used to instruction user equipment access first base station and the second base station.It should be noted that access instruction mentioned here may indicate for the first access, it is also possible to be that in addition to the first access is indicated, other accesses that MME is sent are indicated.

First, the bearer setup message of first network and the second network is got in being indicated from the first access.In this case, the bearer setup message and the of first network is obtained in being indicated from the first access respectively The bearer setup message of two networks.

As shown in figure 8, the embodiments of the invention provide the 9th embodiment of first base station.From unlike other embodiment, the bearer setup message of first network and the second network is obtained in being indicated in the present embodiment from the first access.

Illustrated exemplified by UMTS, now first base station is LTE eNB, the second base station is UMTS RNC.

The present embodiment is specifically included：Receiving unit 801, allocation unit 802, acquiring unit 803 and transmitting element 804.

Receiving unit 801 is used for, and receives the first access instruction that gangster E is sent, and first access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE.

Allocation unit 8 02 is used for, and the bearer setup message of LTE carrier resource and LTE is sent to the UE, the bearer setup message of the LTE indicates to obtain via the described first access.

Allocation unit 802 sends the bearer setup message of eNB itself LTE having carrier resource and LTE to UE, equivalent to the radio bearer resources that LTE is assigned with for UE.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

Acquiring unit 8 03 is used for, and UMTS carrier resource is obtained via RNC.The RNC provides the access technology to UMTS for the UE.

Transmitting element 8 04 is used for, the carrier resource for the UMTS that acquiring unit 803 is obtained and UMTS bearer setup message are sent to the UE, the carrier resource of the UMTS and UMTS ^, which are carried, sets up that information is associated, so as to the radio bearer resources for UE distribution UMTS.The bearer setup message of the UMTS indicates to obtain via the described first access.

Acquiring unit 803 is set up information via the RNC UMTS obtained carrier resource and UMTS load and sent to UE by transmitting element 804, and the carrier resource of the UMTS and the UMTS 7 loads set up letter Manner of breathing is associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE.

In the present embodiment, allocation unit 802 sends LTE bearer setup message to UE, UMTS 7 loads are set up information and sent to UE by transmitting element 804, wherein, it is all that the same access sent via E is indicated that UMTS 7 loads, which set up information and LTE bearer setup message, i.e., what the first access was obtained in indicating.First access indicate it is general carry bearer setup message, and to be usually gangster E be used for the bearer setup message indicates that UE accesses first base station, that is, the bearer setup message of first network that gangster E is indicated.In the present embodiment, the bearer setup message of the E first networks indicated has actually been redistributed to the bearer setup message into first network and the second network, wherein, the bearer setup message of first network is used to indicate that UE accesses first base station, and the bearer setup message of the second network is then used to indicate that UE accesses the second base station.Wherein, the bearer setup message of first network and the second network can specifically be obtained by acquiring unit 903 or obtained by eNB other devices.

As shown in figure 9, the embodiments of the invention provide the tenth embodiment of first base station.From unlike other embodiment, the bearer setup message of first network being obtained in being indicated in the present embodiment from the first access, from the Two accesses obtain the bearer setup message of the second network in indicating.

The present embodiment is specifically included：Receiving unit 901, allocation unit 902, acquiring unit 903 and transmitting element 904.

Receiving unit 901 is used for, and the first access for receiving gangster E transmissions indicates and the second access instruction that first access indicates that being used for UE accesses the eNB, and the eNB provides the access technology to LTE for the UE.

Allocation unit 902 is used for, and the bearer setup message of LTE carrier resource and LTE is sent to described

UE, the first access indicates to include the bearer setup message of the LTE.

Allocation unit 902 sends the bearer setup message of eNB itself LTE having carrier resource and LTE to UE, equivalent to the radio bearer resources that LTE is assigned with for UE.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

Acquiring unit 903 is used for, and UMTS carrier resource is obtained via RNC.The RNC provides the access technology to UMTS for the UE.

Transmitting element 904 is used for, the carrier resource for the UMTS that acquiring unit 903 is obtained and UMTS bearer setup message are sent to the UE, the carrier resource of the UMTS and UMTS ^, which are carried, sets up that information is associated, so as to the radio bearer resources for UE distribution UMTS.Second access indicates to include the bearer setup message of the UMTS.

Acquiring unit 903 is set up information via the RNC UMTS obtained carrier resource and UMTS load and sent to UE by transmitting element 904, the carrier resource of the UMTS and the UMTS 7 loads, which set up information, to be associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE. In the present embodiment, LTE bearer setup message is included in during the first access indicates, that is to say, that can be partly or completely bearer setup message of the bearer setup message as LTE during the first access is indicated.UMTS bearer setup message is included in during the second access indicates, that is to say, that partly or completely bearer setup message of the bearer setup message as UMTS during can the second access be indicated.

Wherein, during the first access is indicated partly or completely bearer setup message as LTE bearer setup message can specifically be performed by acquiring unit 903 or performed by eNB other devices.During second access is indicated partly or completely bearer setup message as UMTS bearer setup message can specifically be performed by acquiring unit 903 or performed by eNB other devices.

In the present embodiment, gangster E have sent two access instructions, i.e., the first access is indicated and the second access is indicated, the two accesses indicate to be typically all that gangster E is used to indicate UE accesses eNB.Therefore, if the two accesses carry bearer setup message in indicating, and to be usually gangster E be used for the bearer setup message that the two accesses are carried in indicating indicates that UE accesses eNB, that is, the LTE bearer setup message that gangster E is indicated.In the present embodiment, eNB (being specifically as follows acquiring unit 903) indicates wherein one access（I.e. first access is indicated）In part or all of bearer setup message still as LTE bearer setup message, eNB (being specifically as follows acquiring unit 903) indicates another access（I.e. second access is indicated）In part or all of bearer setup message as UMTS bearer setup message, wherein, LTE bearer setup message is used to indicate that UE accesses eNB, and UMTS bearer setup message is then used to indicate that UE accesses RNC.

According to the above-mentioned technical solution, in the present embodiment, the first access that receiving unit 901 is respectively received gangster E transmissions indicates to indicate with the second access, eNB obtains LTE radio bearer resources in being indicated from the first access, UMTS radio bearer resources are obtained in being indicated from the second access, allocation unit 902 and transmitting element 904 are based respectively on LTE's and UMTS⁷Carry and set up the radio bearer resources that information distributes LTE and UMTS for UE, it is achieved thereby that the carrier aggregation of different network, UE is enabled to utilize LTE and UMTS and radio bearer resources, respectively carrier communication is carried out with eNB and RNC, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to UE, the waste of resource is reduced.

It can be seen that, in the embodiment of the present invention, first base station is by the optional distribution condition of above two, and the access that can be sent according to E gets the bearer setup message of first network and the second network, used respectively in indicating In the radio bearer resources that first network and the second network are distributed to UE.

First, the situation of secrecy processing is carried out by the key of first network.

The embodiments of the invention provide the 11st embodiment of first base station.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of first network in the present embodiment.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and with the first base station shown in Fig. 8, that is, LTE and UMTS 7 is carried to set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC₀

The present embodiment is specifically included：Receiving unit 801, allocation unit 802, acquiring unit 803, transmitting element 804 and data transfer elements 805.

Transmitting element 8 04 is used for, and the carrier resource for the UMTS that acquiring unit 803 is obtained and UMTS bearer setup message are sent to the UE, and the carrier resource of the UMTS carries with UMTS ^ and sets up information phase Association, to distribute UMTS radio bearer resources for the UE.The bearer setup message of the UMTS indicates to obtain via the described first access.

Acquiring unit 803 is set up information via the RNC UMTS obtained carrier resource and UMTS load and sent to UE by transmitting element 804, the carrier resource of the UMTS and the UMTS 7 loads, which set up information, to be associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE.

The above-mentioned functions of unit part related to the 9th embodiment of first base station is similar in the present embodiment, may refer to the 9th embodiment of first base station.The present embodiment and the difference in the embodiment of first base station the 9th are stressed below.

It is assigned with to UE after UMTS radio bearer resources, just interaction data can be transmitted between UE and core network element using UMTS radio bearer resources, and in the present embodiment, the interaction data of transmission is by the key of first network, i.e. LTE key is encrypted.Wherein, core network element refers to first network, i.e. LTE core network element.

Therefore, the data transfer elements 8 05 in the present embodiment are used for, and using UMTS radio bearer resources, transmit the interaction data between the user equipment and core network element.Wherein, the interaction data carries out secrecy processing by the user equipment and data transfer elements 805 using the key of first network.What is utilized during due to the transmission interaction data is UMTS radio bearer resources, therefore data transfer elements 805 are by transmitting interaction data between RNC and UE.

The business datum that core network element is issued to UE is sent to eNB data transfer elements 805.

After the business datum of reception is encrypted using LTE key for data transfer elements 805, it is sent to

RNC。

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission direction on the contrary, and be encrypted by UE, processing is decrypted by data transfer elements 805.Here repeat no more. In above-mentioned steps, UE and eNB can obtain LTE key, therefore could carry out secrecy processing to interaction data.Wherein, UE can be preset LTE key or inform UE first networks by transmitting element 804 after LTE, to calculate what is obtained by UE by eNB.For example, transmitting element 804 can send the type information of first network, to cause UE to calculate the key of first network when distributing LTE radio bearer resources to UE to UE.And eNB-as be the key that LTE is got from MME, LTE key is sent to eNB when specifically can receive initial UE message by MME, wherein, LTE key can gangster E itself calculate obtain or got at other equipment.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS radio bearer resources are assigned with for UE, data transfer elements using distribution UMTS radio bearer resources transmission UE and core network element interaction data when, the interaction data can using LTE key progress secrecy processing.

Foretell except directly transmitting confirmation message sunset, can also be by way of receiving and sending confirmation message.Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.The tenth of above-mentioned first base station the In one embodiment, encrypting and decrypting can be responsible for by data processing module 805, therefore, when data processing module 805 is additionally operable to receive encryption data, if can be using the key successful decryption of the first network encryption data, at least one equipment into second base station, the mobility management entity and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of first network.

The embodiments of the invention provide the 12nd embodiment of first base station.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of the second network in the present embodiment.

The present embodiment is specifically included：Receiving unit 801, allocation unit 802, acquiring unit 803, transmitting element 804 and notification unit 806.

It is assigned with to UE after UMTS radio bearer resources, just interaction data can be transmitted between UE and core network element using UMTS radio bearer resources, and in the present embodiment, the interaction data of transmission is by the key of the second network, i.e. UMTS key is encrypted.Wherein, core network element refers to first network, i.e. LTE core network element.And, it is necessary to first cause the second base station to obtain the key of the second network before transmission interaction data.

Notification unit 806 is used for, and notifies the gangster E to send UMTS key to the RNC, to cause interaction data that by the UE and the RNC, secrecy processing is carried out using UMTS key；The interaction data is transmitted by RNC using UMTS wireless load resource, the interaction data between the UE and the core network element.

Notification unit 806 can be specifically to send cipher key acquisition request to gangster E, notify gangster E will to realize

UMTS key is sent to RNC.The cipher key acquisition request can be current already present request, such as cipher key acquisition request can be " handover request " when realizing network switching at present, because all carryings all can be transferred on RNC by MME when receiving " handover request ", therefore, it can also add and indicate in " handover request ", represent it is now polymerization rather than the network switching for carrying out different network, therefore the instruction causes gangster E only to send UMTS key to RNC, without all carryings are all gone on RNC.Certainly, the request that the cipher key acquisition request can also be newly introduced, has no effect on the realization of the present invention.Wherein, UMTS key can gangster E itself calculate obtain or got at other equipment.For example, carrying the type information of the second network in the cipher key acquisition request（Such as the second network is UMTS) so that MME calculates UMTS key.

RNC is got after UMTS key, and the key that the interaction data now transmitted between core network element and UE can be just utilized respectively UMTS by RNC and UE carries out secrecy processing.Wherein, secrecy processing includes encryption and decryption process, and the interaction data includes the business datum that core network element is sent to UE, and UE feeds back to the communication data of core network element.Transmittance process of the present embodiment to business datum is specifically described below： The business datum that core network element is issued to UE is sent to RNC.Certain business datum can also be realized by eNB and forwarded, and have no effect on the realization of the present invention.

In above-mentioned steps, UE and RNC can obtain UMTS key, therefore could carry out secrecy processing to interaction data.Wherein, UE can be preset UMTS key or inform the networks of UE second by transmitting element 8 04 after UMTS, to calculate what is obtained by UE by eNB.For example, transmitting element 804 can send the type information of the second network, to cause UE to calculate the key of the second network when distributing UMTS radio bearer resources to UE to UE.And RNC is the key that UMTS is got from gangster E, wherein, UMTS key can gangster E itself calculate obtaining or got at other equipment.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS wireless load resource is assigned with for UE, RNC using distribution UMTS wireless load resource transfer UE and core network element interaction data when, the interaction data can carry out secrecy processing using UMTS key, and the key that RNC gets UMTS is to notify gangster E to realize by notification unit 806.

In a kind of optional mode of the present embodiment, after successfully the radio bearer resources of the second network are assigned with for user equipment, other equipment can be notified by way of directly or indirectly sending confirmation message by user equipment.Wherein, the mode for directly transmitting confirmation message illustrates in the 12nd embodiment of first base station, repeats no more here.The mode of confirmation message is received and sent between illustrating below.

Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially： Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In the 12nd embodiment of above-mentioned first base station, due to being responsible for encrypting and decrypting by the second base station, therefore, when second base station receives encryption data, if can be using the key successful decryption of the second network encryption data, at least one equipment into the first base station, the gangster E and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

In embodiments of the present invention, notification unit 806 notifies MME to send the key of the second network to the second base station, is actually in order to which decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network using the key of the second network in the second base station.Therefore, a kind of optional mode of comparison is, transmitting element 804 is when distributing the radio bearer resources of the second network for user equipment, second base station has got the key of the second network, now, just decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network in the second base station.Certainly, transmitting element 804 is when distributing the radio bearer resources of the second network for user equipment, second base station may also not get the key of the second network, after the key of the second network is got when the second base station, just interaction data is encrypted, is no longer described in detail for this mode embodiment of the present invention.

Illustrate above-mentioned optional mode below, that is, transmitting element 804, when distributing the radio bearer resources of the second network for user equipment, the second base station has got the key of the second network.Two specific embodiments see, for example, under.The embodiments of the invention provide the 13rd embodiment of first base station.From unlike other embodiment, in the present embodiment, transmitting element 804 for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and with the first base station shown in Fig. 8, that is, LTE and UMTS 7 is carried to set up during information is indicated from the first access and illustrated exemplified by acquisition.Now first base station is LTE eNB, and the second base station is UMTS RNC.

Receiving unit 801 is used for, and receives the first access instruction that gangster E is sent, and first access indicates to use The eNB is accessed in UE, the eNB provides the access technology to LTE for the UE.

Notification unit 806 is used for, and sending first key to E obtains request, and the first key obtains request and causes the MME to return to UMTS key to the acquiring unit 803.

Acquiring unit 803 is used for, and receives the UMTS returned key, and sending carrier wave to RNC obtains request, and the carrier wave obtains the key that request carries the UMTS, and causes the RNC to return to UMTS carrier resource to the transmitting element 804.The RNC provides the access technology to UMTS for the UE.

Transmitting element 804 is used for, receive the carrier resource for the UMTS that RNC is returned, 7 loads of the UMTS of return carrier resource and UMTS are set up into information to send to the UE, the carrier resource of the UMTS is associated with UMTS bearer setup message, to distribute UMTS radio bearer resources for the UE.The bearer setup message of the UMTS indicates to obtain via the described first access.

In the present embodiment, UMTS carrier resource and load are set up into information in transmitting element 804 to send to UE, when namely realizing that distributing wireless the 7 of UMTS to UE carries resource, RNC has got UMTS key, therefore, when RNC transmits the interaction data between UE and core network element using UMTS radio bearer resources, it is possible to carry out secrecy processing to the interaction data using UMTS key.

According to the above-mentioned technical solution, stressed in the present embodiment, when transmitting element 804 distributes wireless the 7 of UMTS to UE and carries resource, RNC has got UMTS key, therefore, when RNC receives the interaction data transmitted between UE and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process has been incorporated carrier resource acquisition process by the present embodiment, carrier wave, which obtains request, can cause RNC to return to carrier resource, RNC can be caused to obtain UMTS key again, therefore without additionally sending key to RNC again, so as to save communication overhead, communication process is optimized. Below by another embodiment, transmitting element 804 is gone on to say when distributing the radio bearer resources of the second network for user equipment, the second base station has got the situation of the key of the second network.

The embodiments of the invention provide the 14th embodiment of first base station.From unlike other embodiment, in the present embodiment, transmitting element 804 for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

Acquiring unit 803 is used for, and sending carrier wave to RNC obtains request, and the carrier wave obtains request and causes the RNC to return to UMTS carrier resource to the transmitting element 804.The RNC provides the access technology to UMTS for the UE.

After the carrier resource of the second network of the transmitting element 8 04 for receiving RNC returns, notification unit 806 is used for, and the second cipher key acquisition request is sent to E, and second cipher key acquisition request causes the E to send UMTS key to the RNC.

Transmitting element 804 is additionally operable to, after the RNC receives UMTS key, 7 loads of the RNC UMTS returned carrier resource and UMTS are set up into information to send to the UE, the carrier resource of the UMTS is associated with UMTS bearer setup message, to distribute UMTS radio bearer resources for the UE.The bearer setup message of the UMTS indicates to obtain via the described first access.

Wherein, the information that the second network is UMTS can be carried in the second key request, so that MME It is UMTS key to know need return.Also, UMTS key can gangster E itself calculate obtain or got at other equipment.

When judging whether RNC receives UMTS key, can receive key information to what transmitting element 804 was returned by being received from RNC after key, can also be whether key is received by the active inquiry RNC of transmitting element 804, not influence the realization of the embodiment of the present invention.

According to the above-mentioned technical solution, stressed in the present embodiment, when transmitting element 804 distributes UMTS wireless load resource to UE, RNC has got UMTS key, therefore, when RNC receives the interaction data transmitted between UE and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process and carrier resource acquisition process are independent of one another in the present embodiment, therefore, compared to the 13rd embodiment of first base station, need extra communication overhead to send UMTS key to RNC, and also need extra communication overhead to judge whether RNC receives key.

In embodiments of the present invention, MME is notified to send the key of the second network to the second base station from notification unit 806, here, specific advice method can directly be notified by notification unit 806 or notified indirectly by notification unit 8 06.The mode directly notified is exactly directly to be sent to notify to MME from notification unit 806, and to be exactly notification unit 806 notify gangster E to send the key of the second network to the second base station to the mode notified indirectly via other equipment.For example, in the 12nd to the 14th embodiment of first base station, notification unit 806 can notify gangster E to send UMTS key to RNC via RNC, can be specifically that notification unit 806 notifies RNC to send cipher key acquisition request to MME, so that RNC is at a time, for example when receiving interaction data, cipher key acquisition request is sent to MME.In another example, notification unit 806 can also notify gangster E to send UMTS key to RNC via UE, can be specifically that notification unit 8 06 notifies UE to send cipher key acquisition request to E, so that UE is at a time, for example when receiving UMTS carrier resource and bearer setup message, cipher key acquisition request is sent to gangster E.

Below, the embodiment of the present invention additionally provides the embodiment of carrier polymerizing method. Referring to Fig. 10, the embodiments of the invention provide the first embodiment of carrier polymerizing method, applied to first base station side.In the present embodiment, methods described includes：

S1001:First base station receives the first access instruction that mobility management entity is sent, and first access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment.

First network in the embodiment of the present invention can be the networks such as LTE, UMTS, CDMA, GERAN, or WLAN, and described first base station, according to first network type, can be base station or base station controller.For example, if first network is LTE, first base station is base station（ENB), if first network is UMTS, CDMA, GERAN, or WLAN, first base station is base station controller.In the embodiment of the present invention, LTE network can be LTE-A etc..

In embodiments of the present invention, mobility management entity actually belongs to first network, when the access that first base station receives mobility management entity transmission is indicated, generally represent that user equipment has the communication requirement of first network, can be specifically user equipment actively connect the communication requirement produced during network or network actively to user equipment PUSH message when the communication requirement that produces etc..

S1002:The first base station is based on the described first access and indicated, is the radio bearer resources that the user equipment distributes the first network.

It is the radio bearer resources that user equipment is assigned with first network in the step, so that user equipment can utilize the radio bearer resources of first network, sets up and communicate to connect with first base station.

In the prior art, the process of the radio bearer resources of user equipment distribution first network has been existed for, therefore the step is no longer described in detail.

S1003:The first base station obtains the carrier resource of the second network via the second base station, and second base station provides the access technology to second network for the user equipment.

Similar with first network, the second network in the embodiment of the present invention can be the networks such as LTE, UMTS, CDMA, GERAN, or WLAN, and the second described base station, according to the second network type, can be base station or base station controller.For example, if the second network is LTE, the second base station is base station（ENB), if the second network is UMTS, CDMA, GERAN, or WLAN, the second base station is base station controller.

S1004:The first base station sends the bearer setup message of the carrier resource of second network and the second network to the user equipment, and the carrying of the carrier resource of second network and second network is built Vertical information is associated, to distribute the radio bearer resources of second network for the user equipment.

Bearer setup message in the embodiment of the present invention refers to the information for setting up carrying, Non-Access Stratum protocols data cell (Non Acces s S tratum Protoco l Data Uni t, i.e. NAS PDU) and carrying mark can specifically be included（Carry ID).

In this step, first base station sends the bearer setup message of the carrier resource of the second network and the second network to the user equipment, and the carrier resource of second network is associated with the bearer setup message of second network, therefore equivalent to the radio bearer resources that the second network is assigned with for user equipment, so that user equipment can utilize the radio bearer resources of the second network, set up and communicate to connect with the second base station.

Wherein, the carrier resource of the second network is that first base station is obtained in the step s 1003, and the bearer setup message of the second network is actually also to be acquired by first base station.The acquisition process of the bearer setup message of the second network is specifically described below.

Mobility management entity can generate bearer setup message according to the communication requirement of user equipment and carry in the access for being sent to first base station is indicated, therefore, first base station gets bearer setup message in being indicated from the access sent by mobility management entity, again using the bearer setup message got as the second network bearer setup message, access instruction mentioned here can indicate for the first access, can also be that in addition to the first access is indicated, other accesses that mobility management entity issues first base station are indicated.In embodiments of the present invention, the access that mobility management entity issues first base station is indicated, generally mobility management entity is used for instruction user equipment access first base station, therefore, the bearer setup message for the second network that first base station is got in being indicated from access, the load for being actually mobility management entity instruction user equipment access first base station sets up information.

Bearer setup message can include NAS PDU and carrying ID, carrying ID sets up corresponding ^ for instruction user equipment and carried, and comprising filtering information to indicate which business can be transmitted in the ^ loads in NAS PDU, cause UE to know the corresponding relation of business and carrying by NAS PDU and carrying ID binding.Here, the bearer setup message of the carrier resource of second network and the second network is associated to be referred to, when transmitting interaction data between user equipment and first base station, the second base station or core network element, if what is utilized is the carrier resource of the second network, what the carrying set up particular by bearer setup message of the user equipment based on the second network was transmitted. It should be noted that, in embodiments of the present invention, step S1002 is the assigning process of the radio bearer resources of first network, step S1003-S1004 carries the assigning process of resource for the wireless ^ of the second network, and actually, the two assigning process are not carried out the restriction of order, can perform simultaneously, can also sequentially perform.

According to the above-mentioned technical solution, first base station is assigned with the radio bearer resources of first network and the radio bearer resources of the second network to user equipment in the present embodiment, wherein, the radio bearer resources for distributing the second network to user equipment are the carrier resources of the second network by will be obtained from the second base station, and second the bearer setup message of network send to the user equipment, and the carrier resource of second network is associated with the bearer setup message of second network realizes.It is achieved thereby that the carrier aggregation of different network, user equipment is enabled to utilize the radio bearer resources of two heterogeneous networks, respectively carrier communication is carried out with first base station and the second base station, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to user equipment, the waste of resource is reduced.

In a kind of optional mode of the embodiment of the present invention, user equipment（UE) it can be determined by customer equipment identification, wherein, customer equipment identification can be indicated to carry by the first access, can not also influence the realization of the embodiment of the present invention by indicating to carry in other instructions associated with the first access.The customer equipment identification is specifically as follows UE association signaling marks, the UE S1 application protocols for example distributed by MME（S1 Appl i cat ion Protocol, i.e. SI AP).

In the step S1003 of the present embodiment, first base station can obtain carrier resource via the second base station.During due to obtaining carrier resource to any base station, the base station would generally be also managed moving property of user equipment in addition to it can enter the transmission with user equipment and prepare, and wherein mobile management includes the management such as switching, measurement.And in the present embodiment, only moving property of user equipment can be managed by first base station, therefore in a kind of optional mode of the embodiment of the present invention, mobile management of second base station to the user equipment can also be forbidden by first base station.

In a kind of optional mode of the embodiment of the present invention, the first base station in step S1003 obtains carrier resource via the second base station, is realized by procedure below：First base station sends carrier wave to the second base station and obtains request, and when carrier wave acquisition request make it that the second base station judges that it has carrier resource, the carrier resource is returned to first base station.

Carrier wave acquisition asks the request that can be newly introduced or in current already present request.For example, when realizing access network switching at present, the base station before switching can be sent to the base station after switching " matches somebody with somebody again Request is put " to cause the base station after switching to return to carrier resource.Therefore it can be " reconfiguration request " for realizing access network switching at present that the carrier wave in the present embodiment, which obtains request,.Certainly, it can also add and indicate in " reconfiguration request " in the present embodiment, represent it is now to carry out carrier aggregation, therefore mobile management of second base station to user equipment is forbidden in the instruction.

In the present embodiment, the radio bearer resources of the second network can be distributed in step S1004 to user equipment, actually illustrate user equipment and have access to the second network, in a kind of optional mode of the embodiment of the present invention, it can also include judging whether user equipment has access to the second network, if it can, then continuing executing with S1003 and S1004, if it is not, the flow of the present embodiment can be terminated or above-mentioned judgement is performed with some cycles circulation.For example, if judging that user equipment can not support the second network, it is to be understood that hereafter user equipment can not also access the second network, can now terminate flow.If judging that user equipment can support the second network, but be now not under the signal cover of the second network, although then explanation user equipment can not now access the second network, but with the movement of user equipment, it is possible to be moved under the signal cover of the second network, therefore now above-mentioned judgement can be performed with some cycles circulation, until judging that user equipment has access to the second network, then continues executing with step S1003 and S1004.Here, judge whether user equipment has access to the second network and be specifically as follows：Judge whether user equipment can support the second network and under the signal cover of second network.

In the embodiment of the present invention, the access transmitted by mobility management entity is indicated（Such as first access is indicated）Can be the message that is newly introduced or in current already present message, for example, request can be set up for carrying by accessing instruction, when user equipment has communication requirement, meeting sends carrying to base station and sets up request, is communicated so as to obtain user equipment with base station by the carrying of foundation.

In embodiments of the present invention, it is general during the access transmitted by mobility management entity is indicated to carry bearer setup message, and it is actually that mobility management entity is used for instruction user equipment access first base station that ^ loads, which set up information,（Equivalent to access first network）'s.And in the embodiment of the present invention, actually determine how to access by first base station indicate in the bearer setup message that carries distribute to first network and the second network, the bearer setup message of first network and the second network is respectively used to instruction user equipment access first base station and the second base station.It should be noted that access instruction mentioned here may indicate for the first access, it is also possible to be that in addition to the first access is indicated, other accesses that MME is sent are indicated.

First, the bearer setup message of first network and the second network is got in being indicated from the first access. In this case, the bearer setup message of first network and the bearer setup message of the second network are obtained respectively from the first access instruction by first base station.

Figure 11 is referred to, the embodiments of the invention provide the second embodiment of carrier polymerizing method.From unlike other embodiment, the present embodiment obtains the bearer setup message of first network and the second network in being indicated from the first access.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network be UMTS exemplified by illustrate, now first base station is LTE eNB, second base station is UMTS RNC (Rad io Network Cont ro l l er, radio network controller）, eNB side of the present embodiment applied to LTE is specifically included：

S1101 :LTE eNB receives mobility management entity（MME the first access) sent indicates that first access indicates that being used for user equipment (UE) accesses the eNB, and the eNB provides the access technology to LTE for the UE.

The first access that gangster E is sent to eNB indicates that actually gangster E is used to indicate UE access eNB, i.e. first base station.And in embodiments of the present invention, eNB not only indicates the first access to be used to indicate that UE accesses first base station, it is additionally operable to indicate that UE accesses the second base station.

SI 102 :7 loads of LTE carrier resource and LTE are set up information and sent to the UE by LTE eNB, and the bearer setup message of the LTE indicates to obtain via the described first access.

In the step, the LTE carrier resource and LTE load that LTE eNB has itself are set up information and sent to UE, equivalent to the radio bearer resources that LTE is assigned with for UE.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

LTE bearer setup message indicates to obtain via the described first access in the present embodiment.

S1103:LTE eNB obtains UMTS carrier resource via RNC, and the RNC provides the access technology to UMTS for the UE.

The step can be specifically to send carrier wave to UMTS RNC from LTE eNB to obtain request, and UMTS RNC judges whether itself has carrier resource, if so, the carrier resource to be then back to LTE eNB.ENB is caused to terminate the flow of the present embodiment if it is not, message can be returned to eNB from RNC. S1104:7 loads of UMTS carrier resource and UMTS are set up information and sent to the UE by LTE eNB, and the carrier resource of the UMTS is associated with the bearer setup message of the UMTS, and resource is carried to distribute wireless the 7 of the UMTS for the UE.The 7 of the UMTS, which are carried, sets up information via the described first access instruction acquisition.

In the step, LTE eNB by the UMTS got in step S1103 carrier resource and

UMTS bearer setup message is sent to UE, and the carrier resource of the UMTS and the UMTS bearer setup message are associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE.

In this step, UMTS bearer setup message is sent to UE, and in step S1102, LTE bearer setup message is sent to UE, wherein, UMTS bearer setup message and LTE bearer setup message are all that the same access sent via gangster E is indicated, i.e., what the first access was obtained in indicating.First access indicate it is general carry bearer setup message, and to be usually gangster E be used for the bearer setup message indicates that UE accesses first base station, that is, the bearer setup message of first network that gangster E is indicated.In the present embodiment, the bearer setup message of the E first networks indicated has actually been redistributed to the bearer setup message into first network and the second network, wherein, the bearer setup message of first network is used to indicate that UE accesses first base station, and the bearer setup message of the second network is then used to indicate that UE accesses the second base station.

It should be noted that, in embodiments of the present invention, step S1102 is the assigning process of LTE radio bearer resources, step S1103-S1104 is the assigning process of UMTS radio bearer resources, and actually, the two assigning process are not carried out the restriction of order, can perform simultaneously, can also sequentially perform.

According to the above-mentioned technical solution, the present embodiment obtains first network in being indicated from the first access

And the second network (LTE)（UMTS bearer setup message), it is based respectively on the radio bearer resources that LTE and UMTS bearer setup message distributes LTE and UMTS for UE, it is achieved thereby that the carrier aggregation of different network, UE is enabled to utilize LTE and UMTS and wireless load resource, respectively carrier communication is carried out with eNB and RNC, compared to LTE carrier aggregation can only be carried out in the prior art, bigger bandwidth further is provided to UE, the waste of resource is reduced.

The bearer setup message of first network and the second network is obtained in same access instruction in the present embodiment.In fact, the bearer setup message of first network and the second network is obtained in can also being indicated by different accesses.It is specifically shown in following one embodiment. 2nd, the bearer setup message of first network and the second network is got in being indicated from different accesses.In some cases, gangster E can repeatedly send the access instruction for same user equipment to base station, for example, when user equipment has voice communication demand, access can be sent to base station to indicate, if user equipment has online communication requirement afterwards, access can be sent again to the base station and indicated.Therefore the embodiment of the present invention can be based respectively on different accesses and indicate to obtain the bearer setup messages of first network and the second network in the case where gangster E sends access instruction at least twice.Illustrated below by one embodiment：

Refer to Figure 12, the embodiments of the invention provide the 3rd embodiment of carrier polymerizing method, from unlike other embodiment, the present embodiment obtains the bearer setup message of first network in being indicated from the first access, obtain the bearer setup message of the second network in being indicated from the second access.

Illustrated exemplified by UMTS, now first base station is LTE eNB, the second base station is UMTS RNC, and the present embodiment is applied to LTE eNB sides, specifically included：

S 1201 :LTE eNB receives the first access instruction that MME is sent, and first access indicates that being used for UE accesses the first base station, and the first base station provides the access technology to first network for the UE.

S 1202 :7 loads of LTE carrier resource and LTE are set up information and sent to the UE by LTE eNB, and the first access indicates to include the bearer setup message of the LTE.

In the step, the LTE that LTE eNB has itself carrier resource and LTE's⁷Load is set up information and sent to UE, equivalent to the radio bearer resources that LTE is assigned with for UE.Wherein, the carrier resource of the LTE and the LTE bearer setup message are associated.

LTE bearer setup message is included in during the first access indicates in the present embodiment, that is to say, that partly or completely bearer setup message of the bearer setup message as LTE during can the first access be indicated.First access indicates to be usually that gangster E is used to indicate UE access first base stations.

S 1203 :LTE eNB receives the second access instruction that gangster E is sent, and second access indicates to include the bearer setup message of the UMTS.

In the present embodiment, UMTS bearer setup message is included in the second access instruction, that is to say, that partly or completely letter is set up in bearer setup message as UMTS carrying during can the second access be indicated Breath.

It is identical with the first access instruction, the second access that gangster E is sent to eNB is indicated, it is typically also that gangster E is used to indicate that UE accesses eNB, that is, if the second access carries bearer setup message in indicating, the bearer setup message is actually the bearer setup message for the LTE that MME is indicated.And in embodiments of the present invention, eNB does not indicate the second access to be used to indicate that UE accesses eNB, and it is indicated for UE accesses RNC, that is, the bearer setup message for LTE that gangster E is indicated during eNB indicates the second access, as UMTS bearer setup message.

It should be noted that in the present embodiment, the first access is indicated and the second access indicates all to correspond to same UE, can be specifically, the first access is indicated and the second access indicates all to carry same UE marks.

S 1204 :LTE eNB obtains UMTS carrier resource via UMTS RNC, the UMTS's

RNC provides the access technology to UMTS for the UE.

The step can be specifically to send carrier wave to UMTS RNC from LTE eNB to obtain request, and UMTS RNC judges whether itself has carrier resource, if so, the carrier resource to be then back to LTE eNB.ENB is caused to terminate the flow of the present embodiment if it is not, message can be returned to eNB from RNC.

It should be noted that, in embodiments of the present invention, indicate to be assigned with LTE radio bearer resources based on the first access, indicate to be assigned with UMTS radio bearer resources based on the second access, in the present embodiment, the first access indicates to indicate to send prior to the second access, and in other embodiments, first access instruction can also be later than the second access and indicate transmission, and now, step S 1201 is performed after step S 1203.Also, step S 1203 and step S 1 204 execution sequence are also not limited, can perform simultaneously, can also sequentially perform.

S 1205 :7 loads of the carrier resource of the UMTS and the UMTS are set up information and sent to the UE by LTE eNB, the 7 of the carrier resource of the UMTS and the UMTS, which are carried, sets up that information is associated, to distribute the wireless 7 load resource of the UMTS for the UE.

In the step, the UMTS got in step S 1204 carrier resource and the second access are indicated that the UMTS included bearer setup message is sent to UE by LTE eNB, the carrier resource of the UMTS and the UMTS bearer setup message are associated, therefore equivalent to the radio bearer resources that UMTS is assigned with for UE.

In the present embodiment, gangster E have sent two access instructions, and the two accesses are typically all carried in indicating There is bearer setup message, and the bearer setup message that the two accesses are carried in indicating is usually bearer setup messages of the gangster E for instruction user equipment access first base station, that is, the first network of gangster E instructions.In the present embodiment, wherein one access is indicated（I.e. first access is indicated）In part or all of ^ carry and set up information still as the bearer setup message of first network, another access is indicated（I.e. second access is indicated）In part or all of bearer setup message as the second network bearer setup message, wherein, the bearer setup message of first network is used for instruction user equipment and accesses first base station, and the bearer setup message of the second network is then used for instruction user equipment and accesses the second base station.

Generally, first access is designated as relatively early transmission in the access instruction that gangster E is sent twice, and the second access is designated as later transmission in the access instruction that E is sent twice, so as to which instruction user equipment first accesses first base station, that is, in the optional mode of the present embodiment, step S 1201 is performed prior to step S 1203.

According to the above-mentioned technical solution, in the present embodiment, the first access that LTE eNB is respectively received E transmissions indicates to indicate with the second access, LTE radio bearer resources are obtained in being indicated from the first access, UMTS radio bearer resources are obtained in being indicated from the second access, it is based respectively on the radio bearer resources that LTE and UMTS bearer setup message distributes LTE and UMTS for UE, it is achieved thereby that the carrier aggregation of different network, UE is enabled to utilize LTE and UMTS and radio bearer resources, respectively carrier communication is carried out with eNB and RNC, compared to LTE carrier aggregation can only be carried out in the prior art, further bigger bandwidth is provided to UE, reduce the waste of resource.

It can be seen that, the embodiment of the present invention passes through the above two method of salary distribution, it can realize that the access sent according to gangster E gets the bearer setup message of first network and the second network in indicating, be respectively used to distribute the radio bearer resources of first network and the second network to UE.

After the radio bearer resources of first network and the second network are assigned with to user equipment, in the embodiment of the present invention, user equipment can be respectively connected to first base station and the second base station using the radio bearer resources of distribution, so as to transmit interaction data between core network element, to meet the communication requirement of user equipment.And the interaction data transmitted usually requires to carry out secrecy processing, in secrecy processing, required key can be the key of first network, or the key of the second network.Illustrate separately below.

When carrying out secrecy processing by the key of first network, by user equipment and first base station perform encryption, Decryption.Illustrated below by one embodiment：

Figure 13 is referred to, the embodiments of the invention provide the fourth embodiment of carrier polymerizing method.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of first network in the present embodiment.

UMTS, and LTE and UMTS bearer setup message from first access indicate in obtain exemplified by illustrate, now first base station be LTE eNB, the second base station be UMTS RNC, the present embodiment be applied to LTE eNB sides, specifically include：

S1301:LTE eNB receives the first access instruction that gangster E is sent, and first access indicates that being used for user equipment (UE) accesses the eNB, and the eNB provides the access technology to LTE for the UE.

Accessed first in instruction, UE marks and bearer setup message can be included, UE is identified for determining corresponding UE in the present embodiment, and 7 loads set up information specifically can carry ID including NAS PDU and 7.

SI 302:7 loads of LTE carrier resource and LTE are set up information and sent to the UE by LTE eNB, and the bearer setup message of the LTE indicates to obtain via the described first access.

S1303:LTE eNB obtains UMTS carrier resource via RNC, and the RNC provides the access technology to UMTS for the UE.

S1304:The load of UMTS carrier resource and UMTS is set up information and sent to the UE by LTE eNB, and the carrier resource of the UMTS is associated with the bearer setup message of the UMTS, and resource is carried to distribute wireless the 7 of the UMTS for the UE.The 7 of the UMTS, which are carried, sets up information via the described first access instruction acquisition.

It should be noted that, in embodiments of the present invention, step S1302 is the assigning process of LTE radio bearer resources, step S1303-S1304 is the assigning process of UMTS radio bearer resources, and actually, the two assigning process are not carried out the restriction of order, can perform simultaneously, can also sequentially perform.

Step S1301 to S1304 in the present embodiment is similar with the step S1101 to S1104 of the method second embodiment in the embodiment of the present invention, and related part is referring to method second embodiment.The present embodiment and the difference in method second embodiment are stressed below.

It is assigned with to UE after UMTS radio bearer resources, just can profit between UE and core network element Interaction data is transmitted with UMTS radio bearer resources, and in the present embodiment, the interaction data of transmission is by the key of first network, i.e. LTE key is encrypted, and specific ciphering process is shown in step S 1 305.Wherein, core network element refers to first network, i.e. LTE core network element.

S1 305 :LTE eNB utilizes the UMTS distributed in step S1 304 wireless load resource, transmits the interaction data between the UE and core network element.Wherein, the interaction data carries out secrecy processing by UE and LTE eNB using LTE key.What is utilized when in this step, due to the transmission interaction data is UMTS radio bearer resources, therefore LTE eNB is transmission interaction data between RNC and UE by UMTS.

Wherein, secrecy processing includes encryption and decryption process, and the interaction data includes the business datum that core network element is sent to UE, and UE feeds back to the communication data of core network element.The transmittance process of business datum is shown in Fig. 4, the process is specially：

S1 306 :The business datum that core network element is issued to UE is sent to LTE eNB.

SI 307 :After the business datum is encrypted using LTE key by LTE eNB, UMTS RNC is sent to.

SI 308 :The business datum of encryption is sent to UE by the wireless 7 load resource that UMTS RNC is utilized as the UMTS of UE distribution, and UE is decrypted using the data of LTE key pair encryption.

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission direction on the contrary, and be encrypted by UE, processing is decrypted by LTE eNB.Here repeat no more.

In above-mentioned steps, UE and LTE eNB can obtain LTE key, therefore could carry out secrecy processing to interaction data.Wherein, UE can be preset LTE key or inform UE first networks after LTE, to calculate what is obtained by UE by LTE eNB.For example, in step S1 302, when distributing LTE radio bearer resources to UE, the type information of first network can be sent to UE, to cause UE to calculate the key of first network.And LTE eNB-as be the key that LTE is got from E, LTE key is sent to eNB when specifically can receive initial UE message by gangster E, wherein, LTE key can gangster E itself calculate obtain or got at other equipment.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS radio bearer resources are assigned with for UE, using distribution UMTS radio bearer resources transmission UE and core network element interaction data when, the interaction data can using LTE key progress secrecy processing.

, can also be by way of receiving and sending confirmation message in addition to directly transmitting confirmation message.Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In above method fourth embodiment, due to being responsible for encrypting and decrypting by first base station, therefore, when first base station receives encryption data, if can be using the key successful decryption of the first network encryption data, at least one equipment into second base station, the mobility management entity and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of first network.

When carrying out secrecy processing by the key of the second network, encryption, decryption are performed by user equipment and the second base station, now also needs to be sent the key of the second network to the second base station by gangster E, is illustrated below by one embodiment： Figure 14 is referred to, the embodiments of the invention provide the 5th embodiment of carrier polymerizing method.From unlike other embodiment, carrying out secrecy processing to the interaction data transmitted between user equipment and core network element by the key of the second network in the present embodiment.

And in order to preferably describe embodiment, the present embodiment is using first network as LTE, second network is UMTS, and LTE and UMTS bearer setup message is illustrated exemplified by being obtained in being indicated from the first access, now first base station is LTE eNB, second base station is UMTS RNC, and the present embodiment is applied to LTE eNB sides, specifically included：

S1401 :LTE eNB receives the first access instruction that gangster E is sent, and first access indicates that being used for user equipment (UE) accesses the eNB, and the eNB provides the access technology to LTE for the UE.

Accessed first in instruction, UE marks can be included and load set up information, UE is identified for determining corresponding UE in the present embodiment, and 7 loads set up information specifically can carry I D including NAS PDU and 7.

S 1402 :7 loads of LTE carrier resource and LTE are set up information and sent to the UE by LTE eNB, and the bearer setup message of the LTE indicates to obtain via the described first access.

S 1403:LTE eNB obtains UMTS carrier resource via RNC, and the RNC provides the access technology to UMTS for the UE.

S 1404 :The load of UMTS carrier resource and UMTS is set up information and sent to the UE by LTE eNB, and the carrier resource of the UMTS is associated with the bearer setup message of the UMTS, and resource is carried to distribute wireless the 7 of the UMTS for the UE.The 7 of the UMTS, which are carried, sets up information via the described first access instruction acquisition.

It should be noted that, in embodiments of the present invention, step S1402 is the assigning process of LTE radio bearer resources, step S 1403-S 1404 are the assigning process of UMTS radio bearer resources, and actually, the two assigning process are not carried out the restriction of order, can perform simultaneously, can also sequentially perform.

Step S1401 to S1404 in the present embodiment is similar with the step S11 01 to S1104 of the method second embodiment in the embodiment of the present invention, and related part is referring to method second embodiment.The present embodiment and the difference in method second embodiment are stressed below.

It is assigned with to UE after UMTS radio bearer resources, just interaction data can be transmitted using UMTS radio bearer resources between UE and core network element, and in the present embodiment, the interaction number of transmission It is encrypted according to the key by the second network, i.e. UMTS key.Wherein, core network element refers to first network, i.e. LTE core network element.And, it is necessary to first make it that the second base station obtains the key of the second network before transmission interaction data, therefore, methods described also includes step S 1405.

S I 405 :LTE eNB notifies MME to send UMTS key to RNC, to cause interaction data that by the UE and RNC, secrecy processing is carried out using UMTS key.

Wherein, the interaction data is transmitted by RNC using UMTS wireless load resource, the interaction data between the UE and core network element.

As shown in figure 5, in the step, LTE eNB can send cipher key acquisition request to MME, notify MME to send UMTS key to UMTS RNC to realize.The cipher key acquisition request can be current already present request, such as cipher key acquisition request can be " handover request " when realizing network switching at present, because all carryings all can be transferred on RNC by gangster E when receiving " handover request ", therefore, it can also add and indicate in " handover request ", represent it is now polymerization rather than the network switching for carrying out different network, therefore the instruction causes E only to send UMTS key to RNC, without all carryings are all gone on RNC.Certainly, the request that the cipher key acquisition request can also be newly introduced, has no effect on the realization of the present invention.Wherein, UMTS key can MME itself calculate obtain or got at other equipment.For example, carrying the type information of the second network in the cipher key acquisition request（Such as the second network is UMTS) so that E calculates UMTS key.

It should be noted that the execution sequence of the step need to be only met before transmission interaction data.After the step is performed, UMTS RNC has got UMTS key, and the key that the interaction data now transmitted between core network element and UE can be just utilized respectively UMTS by RNC and UE carries out secrecy processing.Wherein, secrecy processing includes encryption and decryption process, and interaction data includes the business datum that core network element is sent to user equipment, and user equipment feeds back to the communication data of core network element.The transmittance process of business datum is shown in Fig. 5, the process is specially：

S 1406 :The business datum that core network element is issued to UE is sent to UMTS RNC.Certain business datum can also be forwarded by LTE eNB, have no effect on the realization of the present invention.

S 1407 :After the business datum is encrypted by UMTS key by UMTS RNC, UE is sent to using UMTS radio bearer resources, UE is decrypted using the data of UMTS key pair encryption.

The transmittance process of the communication data of feedback is similar with the transmittance process of above-mentioned business datum, simply transmission side To on the contrary, and be encrypted by UE, processing is decrypted by UMTS RNC.Here repeat no more.

In above-mentioned steps, UE and UMTS RNC can obtain UMTS key, therefore could carry out secrecy processing to interaction data.Wherein, UE can be preset UMTS key or inform the networks of UE second after UMTS, to calculate what is obtained by UE 24 by LTE eNB.For example, in step S 1405, when distributing UMTS radio bearer resources to UE, the type information of the second network can be sent to UE 24, to cause UE to calculate the key of the second network.And RNC obtains UMTS key by step S 1405.

According to the above-mentioned technical solution, the present embodiment is stressed, after LTE and UMTS radio bearer resources are assigned with for UE, using distribution UMTS radio bearer resources transmission UE and core network element interaction data when, the interaction data can using UMTS key progress secrecy processing.

In a kind of optional mode of the present embodiment, after successfully the radio bearer resources of the second network are assigned with for user equipment, other equipment can be notified by way of directly or indirectly sending confirmation message by user equipment.Wherein, the mode for directly transmitting confirmation message illustrates in method fourth embodiment, repeats no more here.The mode of confirmation message is received and sent between illustrating below.

Here the mode that confirmation message is received and sent between also refers to send the mode of encryption data, is specially：Encryption data is sent using the radio bearer resources of the second network by user equipment, if the equipment energy successful decryption received, then it represents that success is assigned with the radio bearer resources of the second network to user equipment.In the embodiment of the above method the 5th, due to being responsible for encrypting and decrypting by the second base station, therefore, when second base station receives encryption data, if can be using the key successful decryption of the second network encryption data, at least one equipment into the first base station, the mobility management entity and the core network element sends confirmation message；The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

In embodiments of the present invention, first base station notifies gangster E to send the key of the second network to the second base station, Actually in order to which decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network using the key of the second network in the second base station.Therefore, a kind of optional mode of comparison is, first base station is when distributing the radio bearer resources of the second network for user equipment, second base station has got the key of the second network, now, just decryption can be encrypted to the interaction data of the radio bearer resources transmission using the second network in the second base station.Certainly, first base station is when distributing the radio bearer resources of the second network for user equipment, second base station may also not get the key of the second network, after the key of the second network is got when the second base station, just interaction data is encrypted, is no longer described in detail for this mode embodiment of the present invention.

Figure 15 is referred to, the embodiments of the invention provide the sixth embodiment of carrier polymerizing method.From unlike other embodiment, in the present embodiment, first base station for user equipment distribute the second network radio bearer resources when, the second base station has got the key of the second network.

S 1501 :LTE eNB receives the first access instruction that MME is sent, and first access indicates that being used for user equipment (UE) accesses the eNB, and the eNB provides the access technology to LTE for the UE.

S 1502 :7 loads of LTE carrier resource and LTE are set up information and sent to the UE by LTE eNB, and the bearer setup message of the LTE indicates to obtain via the described first access.

S 1503 :LTE eNB sends first key to E and obtains request, and the first key obtains request and causes gangster E that UMTS key is back into eNB.

The information that the second network is UMTS can be carried in first key request, so that E knows that need return is UMTS key.Also, UMTS key can gangster E itself calculate obtain or got at other equipment. S 1504:LTE eNB is received after the UMTS of return key, and sending carrier wave to RNC obtains request, and the carrier wave obtains the key that request carries UMTS, and causes RNC to return to UMTS carrier resource to eNB.Now, RNC is obtained in request from carrier wave can obtain UMTS key.

In the step, RNC gets carrier wave and obtained after request, it can be determined that whether itself has carrier resource, if so, then returning to the carrier resource itself having, i.e. UMTS resource to eNB.

S 1505 :LTE eNB receives the carrier resource returned by RNC, and the bearer setup message of the carrier resource of the return and UMTS is sent to UE, to distribute UMTS radio bearer resources for UE.The bearer setup message of the UMTS indicates to obtain via the described first access.

It should be noted that, in embodiments of the present invention, step S 1 502 is the assigning process of LTE radio bearer resources, step S 1503-S 1505 are wireless the 7 of the UMTS assigning process for carrying resource, and actually, the two assigning process are not carried out the restriction of order, can perform simultaneously, can also sequentially perform.

In the present embodiment, sent by UMTS carrier resource and bearer setup message to UE, when namely realizing the wireless load resource to UE distribution UMTS, RNC has got UMTS key, therefore, when RNC transmits the interaction data between UE and core network element using UMTS radio bearer resources, it is possible to carry out secrecy processing to the interaction data using UMTS key.

The interaction data includes the business datum that core network element is sent to user equipment, and user equipment feeds back to the communication data of core network element.The transmittance process of business datum is shown in Figure 15, the transmittance process is identical with the S 1406 and the processes of S 1407 of the embodiment of method the 5th, repeats no more here.

According to the above-mentioned technical solution, stressed in the present embodiment, when distributing UMTS wireless 7 load resource to UE, RNC has got UMTS key, therefore, when RNC receives the interaction data transmitted between UE and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process has been incorporated carrier resource acquisition process by the present embodiment, carrier wave, which obtains request, can cause RNC to return to carrier resource, RNC can be caused to obtain UMTS key again, therefore without additionally sending key to RNC again, so as to save communication overhead, communication process is optimized.

Figure 16 is referred to, the embodiments of the invention provide the 7th embodiment of carrier polymerizing method, with other Unlike embodiment, in the present embodiment, first base station is when distributing the radio bearer resources of the second network for user equipment, and the second base station has got the key of the second network.

S 1601 :LTE eNB receives the first access instruction that MME is sent, and first access indicates that being used for user equipment (UE) accesses the eNB, and the eNB provides the access technology to LTE for the UE.

S 1602 :7 loads of LTE carrier resource and LTE are set up information and sent to the UE by LTE eNB, and the bearer setup message of the LTE indicates to obtain via the described first access.

S 1603 :LTE eNB sends carrier wave to UMTS RNC and obtains request, and the carrier wave obtains request and causes RNC to return to UMTS carrier resource to eNB.

S 1604 :LTE eNB is received after the carrier resource of return, and the second cipher key acquisition request is sent to LTE E, and second cipher key acquisition request causes E to send UMTS key to RNC.

The information that the second network is UMTS can be carried in second key request, so that gangster E knows that need return is UMTS key.Also, UMTS key can gangster E itself calculate obtain or got at other equipment.

S 1605 :After the key that UMTS RNC receives the UMTS, LTE eNB sends the bearer setup message of the RNC carrier resources returned and UMTS to UE, to distribute UMTS radio bearer resources for UE.The bearer setup message of the UMTS indicates to obtain via the described first access.

When judging whether RNC receives UMTS key, can receive key information to what eNB was returned by being received from RNC after key or whether key is received by eNB active inquiries RNC, not influence the realization of the embodiment of the present invention.

It should be noted that in embodiments of the present invention, step S 1602 is LTE radio bearer resources Assigning process, step S 1603-S 1605 are the assigning process of UMTS wireless load resource, and can be execution simultaneously in fact, the two assigning process are not carried out the restriction of order, can also sequentially be performed.

The interaction data includes the business datum that core network element is sent to user equipment, and user equipment feeds back to the communication data of core network element.The transmittance process of business datum is shown in Figure 16, the transmittance process is identical with the S 1406 and the processes of S 1407 of the embodiment of method the 5th, repeats no more here.

According to the above-mentioned technical solution, stressed in the present embodiment, when distributing UMTS wireless 7 load resource to UE, RNC has got UMTS key, therefore, when RNC receives the interaction data transmitted between UE and core network element, it becomes possible to directly carry out secrecy processing to the interaction data using UMTS key.And, key transmission process and carrier resource acquisition process are independent of one another in the present embodiment, therefore, compared to method sixth embodiment, need extra communication overhead to send UMTS key to RNC, and also need extra communication overhead to judge whether RNC receives key.

In embodiments of the present invention, E is notified to send the key of the second network to the second base station from first base station, here, specific advice method can directly be notified by first base station or notified indirectly by first base station.The mode directly notified is exactly directly to be sent to notify to gangster E from first base station, and the mode notified indirectly is exactly the key that first base station sends the second network via other equipment notice E to the second base station.For example, as shown in Fig. 17, eNB can notify gangster E to send UMTS key to RNC via RNC, can be specifically that eNB notifies RNC to send cipher key acquisition request to MME, so that RNC is at a time, for example when receiving interaction data, cipher key acquisition request is sent to MME.In another example, eNB can also notify gangster E to send UMTS key to RNC via UE, can be specifically that eNB notifies UE to send cipher key acquisition request to gangster E, so that UE is at a time, for example when receiving UMTS carrier resource and bearer setup message, cipher key acquisition request is sent to gangster E.

It is apparent to those skilled in the art that, clean for the convenience and cylinder of description, the specific work process of the system, apparatus, and unit of foregoing description may be referred to the corresponding process in preceding method embodiment, It will not be repeated here.

In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be realized by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.

The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.

In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.

If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or in use, can be stored in a computer read/write memory medium.Understood based on such, the part or all or part of the technical scheme that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, the computer software product is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（ROM, Read-Only Memory), random access memory（RAM, Random Acces s Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.

Described above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, take off the essence of appropriate technical solution From the spirit and scope of various embodiments of the present invention technical scheme.

Claims

Claim

1st, a kind of base station, it is characterised in that the base station is specially first base station, the first base station includes：Receiver, transmitter, processor and memory；

The receiver is used for, and receives the first access instruction that mobility management entity is sent, and via the carrier resource of the second network of the second base station acquisition；First access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment；Second base station provides the access technology to second network for the user equipment；

The transmitter is used for, indicated based on the described first access, the radio bearer resources of the first network are distributed for the user equipment, and send the bearer setup message of the carrier resource of second network and the second network to the user equipment, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for the user equipment.

2nd, first base station according to claim 1, it is characterised in that the bearer setup message of second network is that the mobility management entity is used to indicate that the load of the user equipment access first base station sets up information.

3rd, first base station according to claim 1, it is characterised in that the bearer setup message of second network indicates to obtain via the described first access；

The transmitter is used to indicate based on the described first access, is that the radio bearer resources that the user equipment distributes the first network are specially：

The transmitter is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and the bearer setup message of the first network indicates to obtain via the described first access.

4th, first base station according to claim 1, it is characterised in that

The receiver is additionally operable to：The second access instruction that the mobility management entity is sent is received, second access indicates that the ^ for including second network is carried and sets up information；The transmitter is used to indicate based on the described first access, is that the radio bearer resources that the user equipment distributes the first network are specially：

The transmitter is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and first access indicates to include the bearer setup message of the first network.

5th, the first base station according to Claims 1-4 any one, it is characterised in that the hair Send machine and receiver to be additionally operable to, using the radio bearer resources of second network, transmit the interaction data between the user equipment and core network element；

Wherein, the interaction data carries out secrecy processing by the user equipment and first base station using the key of first network.

6th, first base station according to claim 5, it is characterized in that, when the receiver receives encryption data, the processor is additionally operable to, if confirmation message can be sent by least one of the transmitter into second base station, the mobility management entity and the core network element using encryption data described in the key successful decryption of first network；

The encryption data is the interaction data that the user equipment is encrypted using the key of first network.7th, the first base station according to Claims 1-4, it is characterized in that, the transmitter is additionally operable to, the mobility management entity is notified to send the key of the second network to second base station, to cause interaction data that by the user equipment and second base station, secrecy processing is carried out using the key of second network；

The interaction data is transmitted by the second base station using the radio bearer resources of second network, the interaction data between the user equipment and core network element.

8th, first base station according to claim 7, it is characterized in that, the receiver is used for the carrier resource that the second network is obtained via the second base station, and the transmitter is used to sending to the user equipment and notifying that the key that the mobility management entity sends the second network to the second base station is specially the carrier resource and bearer setup message of second network：

The transmitter is used for, and sending first key to the mobility management entity obtains request, and the first key obtains request and causes the mobility management entity to return to the key of the second network to the first base station；

The receiver is used for, and receives the key of the second network returned；

The transmitter is additionally operable to, and sending carrier wave to the second base station obtains request, and the carrier wave obtains the key that request carries second network, and causes second base station to return to the carrier resource of the second network to the first base station；

The receiver is additionally operable to, and receives the carrier resource of the second network returned；

The transmitter is additionally operable to, and the carrier resource and bearer setup message of second network are sent to institute State user equipment.

9th, first base station according to claim 7, it is characterized in that, the receiver is used for the carrier resource that the second network is obtained via the second base station, and the transmitter is used to sending to the user equipment and notifying that the key that the mobility management entity sends the second network to the second base station is specially the carrier resource and bearer setup message of second network：

The transmitter is used for, and sending carrier wave to second base station obtains request, and the carrier wave obtains request and causes the second base station to return to the carrier resource of the second network to the first base station；

The receiver is used for, and receives the carrier resource of the second network returned；

The transmitter is additionally operable to, and the second cipher key acquisition request is sent to the mobility management entity, and second cipher key acquisition request causes the mobility management entity to send the key of the second network to second base station；

After the key that second base station receives second network, the carrier resource of the second network and the bearer setup message are sent to the user equipment.

10th, first base station according to claim 7, it is characterised in that the transmitter is used to notify that the key of the mobility management entity to the second network of the second base station transmission is specially：

The transmitter is used for, and notifies the mobility management entity to send the key of the second network to the second base station via the user equipment or second base station.

11st, first base station according to claim 7, it is characterized in that, second base station is when receiving encryption data, if encryption data described in the key successful decryption of the second network, the base station of at least one transmission confirmation message into first base station, the mobility management entity and the core network element can be utilized；The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

12nd, first base station according to claim 1, characterized in that, the user equipment is the user equipment that confirmation message is sent using at least one of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element.

13rd, first base station according to claim 1, it is characterised in that the processor is additionally operable to, forbids mobile management of second base station to the user equipment.

14th, a kind of base station, it is characterised in that the base station is first base station, the first base station includes：Receiving unit, allocation unit, acquiring unit and transmitting element； The receiving unit is used for, and receives the first access instruction that mobility management entity is sent；First access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment；

The allocation unit is used for, and is indicated based on the described first access, is the radio bearer resources that the user equipment distributes the first network；

The acquiring unit is used for, and the carrier resource of the second network is obtained via the second base station；Second base station provides the access technology to second network for the user equipment；

The transmitting element is used for, the bearer setup message of the carrier resource of second network and the second network is sent to the user equipment, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for the user equipment.

15th, first base station according to claim 14, it is characterised in that the bearer setup message of second network is that the mobility management entity is used for the bearer setup message for indicating that the user equipment accesses the first base station.

16th, first base station according to claim 14, it is characterised in that the bearer setup message of second network indicates to obtain via the described first access；

The allocation unit is used to indicate based on the described first access, is that the radio bearer resources that the user equipment distributes the first network are specially：

The allocation unit is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and the bearer setup message of the first network indicates to obtain via the described first access.

17th, first base station according to claim 14, it is characterised in that

The receiving unit is additionally operable to, and receives the second access instruction that the mobility management entity is sent, and second access indicates to include the bearer setup message of second network；

The allocation unit is used to indicate based on the described first access, is that the radio bearer resources that the user equipment distributes the first network are specially：

The allocation unit is used to send the bearer setup message of the carrier resource of first network and first network to the user equipment, and first access indicates to include the bearer setup message of the first network.

18th, the first base station according to claim 14 to 17 any one, it is characterised in that also wrap Include：Data transfer elements；

The data transfer elements are used for, and using the radio bearer resources of second network, transmit the interaction data between the user equipment and core network element；

Wherein, the interaction data carries out secrecy processing by the user equipment and the data transfer elements using the key of first network.

19th, first base station according to claim 18, it is characterized in that, the data transfer elements are additionally operable to, when receiving encryption data, if can be using encryption data described in the key successful decryption of first network, at least one into second base station, the mobility management entity and the core network element sends confirmation message；

The encryption data is the interaction data that the user equipment is encrypted using the key of the first network.

20th, the first base station according to claim 14 to 17 any one, it is characterised in that also including two notification unit ^

The notification unit is used for, and notifies the mobility management entity to send the key of the second network to second base station, to cause interaction data that by the user equipment and second base station, secrecy processing is carried out using the key of second network；

The interaction data is transmitted by the second base station using the radio bearer resources of second network, the interaction data between the user equipment and core network element.

21st, first base station according to claim 20, it is characterized in that, the notification unit is used for the key for notifying the mobility management entity to send the second network to second base station, the acquiring unit is used for the carrier resource that the second network is obtained via the second base station, and the transmitting element is specially for the carrier resource and bearer setup message of second network to be sent to the user equipment：

The notification unit is used to send first key acquisition request to the mobility management entity, and the first key obtains the key that request causes the mobility management entity to the acquiring unit the second network of return；

The acquiring unit is used for the key for receiving the second network returned, carrier wave, which is sent, to the second base station obtains request, the carrier wave obtains the key that request carries second network, and causes second base station to return to the carrier resource of the second network to the transmitting element；

The transmitting element is used for the carrier resource for receiving the second network returned, by the load of second network Ripple resource and ^ loads are set up information and sent to the user equipment.

22nd, first base station according to claim 20, it is characterized in that, the notification unit is used for the key for notifying the mobility management entity to send the second network to second base station, the acquiring unit is used for the carrier resource that the second network is obtained via the second base station, and the transmitting element is specially for the carrier resource and bearer setup message of second network to be sent to the user equipment：

The acquiring unit is used to send carrier wave acquisition request to second base station, and the carrier wave obtains the carrier resource that request causes the second base station to the transmitting element the second network of return；The transmitting element is used for after the carrier resource for the second network that reception is returned, the notification unit is used to send the second cipher key acquisition request to the mobility management entity, and second cipher key acquisition request causes the mobility management entity to send the key of the second network to second base station；

After the key that second base station receives second network, the transmitting element, which is additionally operable to the carrier resource and the load of second network setting up information, to be sent to the user equipment.

23rd, first base station according to claim 20, it is characterised in that the notification unit is used to notify that the key of the mobility management entity to the second network of the second base station transmission is specially：

The notification unit is used for, and notifies the mobility management entity to send the key of the second network to the second base station via the user equipment or second base station.

24th, first base station according to claim 20, it is characterized in that, second base station is when receiving encryption data, if encryption data described in the key successful decryption of the second network, the base station of at least one transmission confirmation message into first base station, the mobility management entity and the core network element can be utilized；

The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

25th, first base station according to claim 14, characterized in that, the user equipment is the user equipment that confirmation message is sent using at least one of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element.

26th, first base station according to claim 14, it is characterised in that also include：Forbidden cell；The forbidden cell is used to forbid mobile management of second base station to the user equipment.

27th, a kind of carrier polymerizing method, it is characterised in that methods described includes： First base station receives the first access instruction that mobility management entity is sent, and first access indicates that being used for user equipment accesses the first base station, and the first base station provides the access technology to first network for the user equipment；

The first base station is based on the described first access and indicated, is the radio bearer resources that the user equipment distributes the first network；

The first base station obtains the carrier resource of the second network via the second base station, and second base station provides the access technology to second network for the user equipment；

The first base station sends the bearer setup message of the carrier resource of second network and the second network to the user equipment, the carrier resource of second network is associated with the bearer setup message of second network, to distribute the radio bearer resources of second network for the user equipment.

28th, method according to claim 27, it is characterised in that the bearer setup message of second network is that the mobility management entity is used for the bearer setup message for indicating that the user equipment accesses the first base station.

29th, method according to claim 27, it is characterised in that the bearer setup message of second network indicates to obtain via the described first access；

The first base station is based on the described first access and indicated, is that the radio bearer resources that the user equipment distributes the first network are specially：

First base station sends the bearer setup message of the carrier resource of first network and first network to the user equipment, and the bearer setup message of the first network indicates to obtain via the described first access.

30th, method according to claim 27, it is characterised in that methods described also includes：The first base station receives the second access instruction that the mobility management entity is sent, and second access indicates to include the bearer setup message of second network；

The first base station is based on the described first access and indicated, is that the radio bearer resources that the user equipment distributes the first network are specially：

The first base station sends the bearer setup message of the carrier resource of first network and first network to the user equipment, and first access indicates to include the bearer setup message of the first network.

31st, the method according to claim 27 to 30 any one, it is characterised in that also include： The first base station utilizes the radio bearer resources of second network, transmits the interaction data between the user equipment and core network element；

Wherein, the interaction data carries out secrecy processing by the user equipment and first base station using the key of first network.

32nd, method according to claim 31, it is characterised in that also include：

When the first base station receives encryption data, if can be using encryption data described in the key successful decryption of first network, at least one into second base station, the mobility management entity and the core network element sends confirmation message；

The encryption data is the interaction data that the user equipment is encrypted using the key of first network.33rd, the method according to claim 27 to 30 any one, it is characterised in that also include：First base station notifies the mobility management entity to send the key of the second network to second base station, to cause interaction data that by the user equipment and second base station, secrecy processing is carried out using the key of second network；

The interaction data is transmitted by the second base station using the radio bearer resources of second network, the interaction data between the user equipment and core network element.

34th, method according to claim 33, characterized in that, the first base station obtains the carrier resource of the second network via the second base station, sends to the user equipment and notify that the key that the mobility management entity sends the second network to the second base station is specially the carrier resource and bearer setup message of second network：

The first base station sends first key to the mobility management entity and obtains request, and the first key obtains request and causes the mobility management entity to return to the key of the second network to the first base station；First base station receives the key of the second network returned, and sending carrier wave to the second base station obtains request, and the carrier wave obtains the key that request carries second network, and causes second base station to return to the carrier resource of the second network to the first base station；

First base station receives the carrier resource of the second network returned, and the carrier resource and bearer setup message of second network are sent to the user equipment.

35th, method according to claim 33, it is characterised in that the first base station obtains the carrier resource of the second network via the second base station, sends out the carrier resource of second network and bearer setup message Deliver to the user equipment and notify that the key that the mobility management entity sends the second network to the second base station is specially：

The first base station sends carrier wave to second base station and obtains request, and the carrier wave obtains request and causes the second base station to return to the carrier resource of the second network to the first base station；

First base station receives the carrier resource of the second network returned, and the second cipher key acquisition request is sent to the mobility management entity, and second cipher key acquisition request causes the mobility management entity to send the key of the second network to second base station；

After the key that second base station receives second network, the carrier resource of the second network and the load are set up information and sent to the user equipment by first base station.

36th, method according to claim 33, it is characterised in that it is described notify the mobility management entity to the second base station send the second network key be specially：

The first base station notifies the mobility management entity to send the key of the second network to the second base station via the user equipment or second base station.

37th, method according to claim 33, it is characterized in that, second base station is when receiving encryption data, if encryption data described in the key successful decryption of the second network, the base station of at least one transmission confirmation message into first base station, the mobility management entity and the core network element can be utilized；

The encryption data is the interaction data that the user equipment is encrypted using the key of the second network.

38th, method according to claim 27, characterized in that, the user equipment is the user equipment that confirmation message is sent using at least one of the radio bearer resources of second network into the first base station, the second base station, the mobility management entity and the core network element.

39th, method according to claim 27, it is characterised in that also include：

First base station forbids mobile management of second base station to the user equipment.