WO2014056380A1 - 一种异系统载波聚合的方法、装置及系统 - Google Patents

一种异系统载波聚合的方法、装置及系统 Download PDF

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Publication number
WO2014056380A1
WO2014056380A1 PCT/CN2013/083191 CN2013083191W WO2014056380A1 WO 2014056380 A1 WO2014056380 A1 WO 2014056380A1 CN 2013083191 W CN2013083191 W CN 2013083191W WO 2014056380 A1 WO2014056380 A1 WO 2014056380A1
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Prior art keywords
base station
bearer
carrier
cell
information
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PCT/CN2013/083191
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English (en)
French (fr)
Inventor
刘继兴
李志明
扈曙辉
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华为技术有限公司
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Publication of WO2014056380A1 publication Critical patent/WO2014056380A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the architecture diagram of the LTE system is shown in Figure 1:
  • the Evolved Universal Terrestrial Radio Access Network (E-UTRAN) is an evolved base station eNB responsible for data modulation and demodulation.
  • the Serving Gateway (S-GW) and the Packet Data Network Gateway (P-GW) are evolved gateways that are responsible for forwarding data packets.
  • the Mobility Management Entity ( ⁇ ) is an evolved system.
  • the signaling control entity is responsible for functions such as authentication and mobility management.
  • the evolved network does not provide the traditional circuit switching voice function, and only provides high-rate data bearer services.
  • the evolved system also supports interworking with 3GPP's third-generation wireless data networks and second- and fifth-generation wireless data networks.
  • 3GPP and 3GPP2 also define LTE networks and CDMA high-rate packet data (High Rate Packet Data (HRPD) is an interworking standard for network packet data services. It supports User Equipment (UE) accessing the Evolved Packet Core (EPC) and the UE between the two systems through the CDMA HRPD network. Switch.
  • HRPD High Rate Packet Data
  • UE User Equipment
  • EPC Evolved Packet Core
  • Switch The reference network architecture is shown in Figure 2.
  • An object of the embodiments of the present invention is to provide a method for carrier aggregation of different systems, which is to solve the problem that the UE cannot simultaneously perform data services in two systems at the same time.
  • the embodiment of the present invention is implemented by the method for carrier aggregation of different systems, where the method includes:
  • the first system is: a long term evolution plan LTE system
  • the second system is: performing high rate packet data eHRPD or high rate packet data HRPD;
  • the first system is: eHRPD or HRPD
  • the second system is: an LTE system.
  • Another convenience is to provide a different system carrier aggregation method, where the method includes:
  • the establishing the bearer request includes: QoS information, service flow template TFT information, and user plane tunnel information of the UE;
  • the determining, by the second system target carrier and the cell corresponding to the establishing the bearer request is:
  • the carrier with the strongest signal strength or the best quality in the measurement result and the corresponding cell information of the carrier are selected as the target carrier and cell of the second system.
  • the method further includes:
  • a delete bearer request sent by the S-GW where the request includes: an EPS packet bearer identifier of the evolved packet system that is requested to be deleted by the packet data network gateway PDN GW;
  • the receiving base station sends a delete bearer response after deleting the EPS bearer requested to be deleted according to the bearer deactivation request.
  • a user equipment where the user equipment includes:
  • a measuring unit configured to perform a second system measurement when establishing a connection with the first system for data service, and send the measurement result to the sending unit;
  • a sending unit configured to send the measurement result measured by the second system to the first system base station, so that the first system base station forwards the measurement result to the MME
  • a receiving unit configured to receive target carrier information and a cell of the second system returned by the MME according to the measurement result, and send the target carrier information and the cell of the second system to the connection service unit;
  • the connecting service unit is configured to establish a connection and a bearer according to the target carrier information of the second system and the base station of the second system, and perform data service in the second system.
  • the first system is: an LTE system
  • the second system is: eHRPD or HRPD
  • the first system is: eHRPD or HRPD
  • the second system is: an LTE system.
  • a mobility management entity includes: a receiving unit, configured to receive, when the first system base station and the UE perform data services, a second system sent by the UE forwarded by the first system base station Measuring the measurement result, and transmitting the measurement result to the aggregation selection unit;
  • an aggregation selection unit configured to determine, according to the measurement result, performing carrier aggregation, and selecting, according to the measurement result, a second system base station participating in the aggregation;
  • the receiving unit is further configured to receive a setup bearer request sent by the S-GW, and send the setup bearer request to the carrier selection unit;
  • the carrier selection unit is configured to determine a second system target carrier and a cell corresponding to the establishment of the bearer request, and send the second system target carrier and the cell to the sending unit;
  • the establishing a bearer request includes: QoS information, TFT information, and user plane tunnel information of the UE;
  • the sending unit is configured to allocate a second system target carrier and a cell to the second system base station, and send the second system target carrier and the cell to the UE, so that the UE establishes a connection with the second system base station according to the target carrier information. Hosted.
  • the carrier selection unit is further configured to select a carrier with the strongest signal strength or the best quality in the measurement result and the cell information corresponding to the carrier as the second system target carrier and the small cell.
  • the receiving unit is further configured to receive a delete bearer request sent by the S-GW, where the request is The request includes: an EPS bearer identifier that is requested to be deleted by the PDN GW, and the EPS bearer identifier that is requested to be deleted is delivered to the sending unit;
  • the sending unit is further configured to send a bearer deactivation request to the base station, where the request carries an EPS bearer identifier that is requested to be deleted;
  • the receiving unit is further configured to receive, by the base station, a delete bearer response after deleting the EPS bearer that is requested to be deleted according to the bearer deactivation request.
  • FIG. 1 is an architectural diagram of an LTE system provided by the prior art
  • FIG. 2 is a reference network architecture diagram of a UE handover between two systems according to the prior art
  • FIG. 3 is a flowchart of a method for carrier aggregation of different systems according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of an aggregation structure of an eHRPD and an LTE system according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a method for a different system carrier aggregation according to an embodiment of the present invention
  • FIG. 7 is a flowchart of a method for carrier aggregation of a different system according to another embodiment of the present invention
  • FIG. 8 is a flowchart of a method for deleting a carrier aggregation branch of a different system according to another embodiment of the present invention
  • FIG. 9 is a flowchart of a method for deleting a carrier aggregation branch of a different system according to an embodiment of the present invention.
  • FIG. 10 is a structural diagram of a user equipment according to an embodiment of the present invention.
  • a specific embodiment of the present invention provides a method for carrier aggregation of a different system.
  • the method is performed by a UE, as shown in FIG. 3, where the method includes:
  • S31 Perform a second system measurement when establishing a connection with the first system for performing a data service.
  • S32 Send the measurement result measured by the second system to the first system base station, so that the first system base station forwards the measurement result to the MME.
  • the above measurement results include: carrier frequency information, cell identification information, and signal strength or quality information.
  • the UE establishes a connection and a bearer according to the target carrier information of the second system and the cell and the base station of the second system, and performs data service in the second system.
  • the foregoing first system may be: an LTE system, where the second system may be: eHRPD or HRPD; of course, the foregoing first system may be: eHRPD or HRPD, and the second system may be: LTE system.
  • the UE provided by the specific embodiment of the present invention can establish a connection with the first system to perform data services, and can also implement the second system to establish a connection and bearer and perform data services by using the technical solution provided by the specific embodiment of the present invention, so that the UE has the data service.
  • the UE simultaneously performs the advantages of data services in both systems.
  • a specific embodiment of the present invention further provides a method for carrier aggregation of different systems.
  • the method is performed by an MME, as shown in FIG. 4, and the method includes:
  • the foregoing measurement results include: carrier frequency information, cell identity information, and signal strength or quality information; 542. After determining, according to the measurement result, performing carrier aggregation, selecting, according to the measurement result, a second system base station participating in the aggregation;
  • the implementation method of the foregoing S42 may specifically be:
  • the carrier aggregation may be determined according to the signal strength information or the signal quality in the measurement result. Specifically, when the signal strength exceeds the strength threshold or the signal quality exceeds the mass threshold, it may be determined that carrier aggregation can be performed, and the signal quality is determined.
  • the cell identifier corresponding to the measurement result with the best signal strength is used, and the base station corresponding to the cell identifier is used as the target base station of the second system.
  • the foregoing bearer request includes: QoS information, a traffic flow template (Traffic Flow
  • the service is determined to be carried by the first system, or by the second system, or by the two systems, according to the QoS requirements of the service and the bearer capability or congestion of the first system and the second system.
  • the network browsing service is carried by a system with a low data rate, and the video service requiring a large bandwidth is carried by a system with a high data rate. If it is determined that the second system carries the service,
  • the UE provided by the specific embodiment of the present invention can establish a connection with the first system to perform data services, and can also implement the second system to establish a connection and bearer and perform data services by using the technical solution provided by the specific embodiment of the present invention, so that the UE has the data service.
  • the UE simultaneously performs the advantages of data services in both systems.
  • the acquiring the second system target carrier information corresponding to the establishing the bearer request may be:
  • the foregoing method may further include:
  • the MME receives the delete bearer request sent by the S-GW, where the request includes: an EPS bearer identifier that is requested to be deleted by the PDN GW;
  • the MME sends a bearer deactivation request to the base station, where the request carries an EPS bearer identifier that is requested to be deleted;
  • the MME receiving the base station sends a delete bearer response after deleting the EPS bearer requested to be deleted according to the bearer deactivation request.
  • the EPS bearer requested to be deleted may be carried by the EPS of the first system or the EPS of the second system.
  • the specific manner in which the base station deletes the EPS bearer that is to be deleted according to the bearer deactivation request may be: If the EPS bearer is an EPS bearer of the LTE system, the base station and the UE perform an RRC connection reconfiguration process. If all the bearers of the LTE branch need to be deleted, the RRC connection release process is performed at the same time, and the LTE branch is deleted. If the EPS bearer is an eHRPD or an HRPD bearer, the base station and the UE perform an air interface flow configuration process to release the air interface radio bearer. If all bearers of the eHRPD or HRPD branch need to be deleted, the eHRPD air interface connection release process is performed to delete the eHRPD branch.
  • a specific embodiment of the present invention provides a user equipment.
  • the user equipment as shown in FIG. 10, includes: a measuring unit 102, configured to perform a second system measurement when establishing a connection with the first system for data service, and the measurement result is obtained.
  • the sending unit 103 is configured to send the measurement result measured by the second system to the first system base station, so that the first system base station forwards the measurement result to the MME;
  • the receiving unit 101 is configured to receive target carrier information of the second system returned by the MME according to the measurement result, and send the target carrier information of the second system to the connection service unit 104, and connect the service unit 104, according to the first
  • the target carrier information of the second system establishes a connection and bearer with the base station of the second system, and performs data services in the second system.
  • the first system is: an LTE system
  • the second system is: eHRPD or HRPD
  • the first system is: eHRPD or HRPD
  • the second system is: an LTE system.
  • the UE provided by the specific embodiment of the present invention can establish a connection with the first system to perform data services, and can also implement the second system to establish a connection and bearer and perform data services by using the technical solution provided by the specific embodiment of the present invention, so that the UE has the data service.
  • the UE simultaneously performs the advantages of data services in both systems.
  • a specific embodiment of the present invention further provides a mobility management entity.
  • the mobility management entity includes:
  • the receiving unit 111 is configured to: when the first system base station performs data service with the UE, receive the measurement result of the second system measurement sent by the UE that is forwarded by the first system base station, and send the measurement result to the aggregation selection unit 112;
  • the aggregation selection unit 112 is configured to determine, after performing carrier aggregation according to the measurement result, selecting a second system base station participating in the aggregation according to the measurement result;
  • the receiving unit 111 is further configured to receive a setup bearer request sent by the S-GW, and send the setup bearer request to the carrier selection unit 113;
  • the carrier selection unit 113 is configured to determine the second system target carrier and the cell corresponding to the setup bearer request, and send the second system target carrier and the cell to the sending unit 114;
  • the establishing a bearer request includes: QoS information, TFT information, and user plane tunnel information of the UE;
  • the sending unit 114 is configured to allocate the second system target carrier and the cell to the second system base station, and send the second system target carrier and the cell to the UE, so that the UE establishes a connection and a bearer with the second system base station according to the target carrier information. .
  • the carrier selection unit 113 is further configured to select a carrier with the strongest signal strength or the best quality in the measurement result and the cell information corresponding to the carrier as the second system target carrier and the cell.
  • the receiving unit 111 is further configured to receive a delete bearer request sent by the S-GW, where the request includes: an EPS bearer identifier that is requested to be deleted by the PDN GW, and the request is deleted.
  • the separated EPS bearer identifier is passed to the sending unit 114;
  • the sending unit 114 is further configured to send a bearer deactivation request to the base station, where the request carries the EPS bearer identifier that is requested to be deleted;
  • the receiving unit 111 is further configured to receive, by the base station, the delete bearer response after deleting the EPS bearer that is requested to be deleted according to the bearer deactivation request.
  • a specific embodiment of the present invention provides a user equipment, where the user equipment includes: a transceiver and a processor;
  • a processor configured to perform a second system measurement when establishing a connection with the first system for data service, and send the measurement result to the transceiver;
  • the transceiver is configured to send the measurement result measured by the second system to the first system base station, so that the first system base station forwards the measurement result to the MME;
  • the transceiver is further configured to receive target carrier information of the second system returned by the MME according to the measurement result, and send target carrier information of the second system to the processor;
  • the processor is configured to establish a connection and a bearer with the base station of the second system according to the target carrier information of the second system, and perform data services in the second system.
  • the first system is: an LTE system
  • the second system is: eHRPD or HRPD
  • the first system is: eHRPD or HRPD
  • the second system is: an LTE system.
  • the transceiver may be an antenna, an antenna matrix or the like.
  • the UE provided by the specific embodiment of the present invention can establish a connection with the first system to perform data services, and can also implement the second system to establish a connection and bearer and perform data services by using the technical solution provided by the specific embodiment of the present invention, so that the UE has the data service.
  • the UE simultaneously performs the advantages of data services in both systems.
  • a specific embodiment of the present invention further provides a mobility management entity, where the mobility management entity includes: a transceiver and a processor;
  • a transceiver configured to receive, by the first system base station, the second system measurement result sent by the UE forwarded by the first system base station, and send the measurement result to the Processor
  • the processor is configured to determine, after performing carrier aggregation according to the measurement result, selecting, according to the measurement result, a second system base station participating in aggregation;
  • the transceiver is further configured to receive a setup bearer request sent by the S-GW, and send the setup bearer request to the processor;
  • the processor is configured to determine a second system target carrier and a cell corresponding to the setup bearer request, and send the second system target carrier and a cell to the transceiver;
  • the establishing a bearer request includes: QoS information, TFT information, and user plane tunnel information of the UE;
  • the transceiver is configured to allocate a second system target carrier and a cell to the second system base station, and send the second system target carrier and the cell to the UE, so that the UE establishes a connection with the second system base station according to the target carrier information. Hosted.
  • the processor is further configured to select a carrier with the strongest signal strength or the best quality in the measurement result and the cell information corresponding to the carrier as the second system target carrier and the cell.
  • the transceiver is further configured to receive a delete bearer request sent by the S-GW, where the request includes: an EPS bearer identifier that is requested to be deleted by the PDN GW, and send a bearer deactivation request to the base station, where the request carries the request The deleted EPS bearer identifier; the receiving base station sends the delete bearer response after deleting the EPS bearer requested to be deleted according to the bearer deactivation request.
  • a delete bearer request sent by the S-GW where the request includes: an EPS bearer identifier that is requested to be deleted by the PDN GW, and send a bearer deactivation request to the base station, where the request carries the request The deleted EPS bearer identifier; the receiving base station sends the delete bearer response after deleting the EPS bearer requested to be deleted according to the bearer deactivation request.
  • the embodiment of the present invention provides an embodiment.
  • the embodiment provides a method for the carrier aggregation of the different system.
  • the embodiment is implemented in the aggregation architecture of the eHRPD and the LTE system shown in FIG. 5, where the eHRPD is required to be described. It can also be replaced with HRPD.
  • the method provided in this embodiment is as shown in FIG. 6, and includes:
  • the UE is connected to the LTE system to perform data services.
  • the eNB configures the UE to perform the inter-system measurement by the UE. 563.
  • the UE sends the measurement result to the eNB.
  • the measurement result includes: carrier frequency information of the base station of the eHRPD, a cell pilot offset, and a signal quality or a signal strength of each cell of the eHRPD (a base station of the eHRPD that can be measured). Only choose one);
  • the eNB sends the measurement result to the MME, and carries the cell identifier corresponding to the cell offset.
  • the MME performs aggregation determination according to the measurement result.
  • the implementation method of the S65 may specifically be: according to the signal quality or the signal strength in the measurement result, whether the aggregated mass value or the intensity threshold value is met, if yes, the aggregation is determined, the non-conformity, and the end operation are performed.
  • the S-GW sends a bearer setup request, where the request includes: QoS information, TFT information, and user plane tunnel information of the S-GW.
  • the MME obtains carrier frequency information of the eHRPD system corresponding to the QoS requirement according to the QoS information of the bearer request, and searches for carrier signal information of the eHRPD system with the best signal quality or the strongest signal strength from the carrier frequency information of the eHRPD system that meets the requirements, and
  • the carrier corresponding to the carrier information of the eHRPD system is used as a target carrier of the eHRPD system, and the cell of the target carrier of the eHRPD system is obtained;
  • the MME sends the target carrier and the cell of the eHRPD system to the UE by using the NAS signaling; the MME specifies, to the eAN/ePCF, the target carrier and the cell that need to cooperate;
  • the UE monitors the paging channel of the target carrier, waits for the paging of the eHRPD, or initiates a connection process with the eHRPD network system; and establishes an eHRPD signaling connection and 7 carriers between the UE and the eAN/ePCF.
  • the specific implementation method may be: eAN/ePCF initiates a process for the user terminal to access the eHRPD network system by using a paging message.
  • the process of accessing the eHRPD network system may be initiated by the user terminal according to the target carrier information delivered by the MME network. In this process, when UE and eAN
  • the eAN/ePCF sends a bearer setup response to the MME.
  • the message carries the user plane tunnel information of eAN/ePCF.
  • a specific embodiment of the present invention provides another embodiment.
  • the method also provides a method for carrier aggregation of a different system. The method is as shown in FIG.
  • the UE is connected to the eHRPD system to perform data services.
  • the eAN/ePCF configures the UE to perform the inter-system measurement by the UE.
  • the UE sends the measurement result to the eAN/ePCF.
  • the measurement result includes: carrier frequency information of the LTE base station, a physical cell identifier, and signal quality or signal strength of each cell of the LTE (the LTE base station that can be measured) Only choose one);
  • the eAN/ePCF sends the measurement result to the MME, and carries the global identifier of the cell corresponding to the physical cell identifier.
  • the MME performs aggregation determination according to the measurement result.
  • the implementation method of the S75 may specifically be: according to the signal quality or the signal strength in the measurement result, whether the aggregated mass value or the intensity threshold value is met, if yes, the aggregation is determined, the non-conformity, and the end operation are performed.
  • the S-GW sends a bearer setup request, where the request includes: QoS information, TFT information, and user plane tunnel information of the S-GW.
  • the MME obtains carrier frequency information of the LTE system that meets the QoS requirement according to the QoS information of the bearer request, and searches for carrier frequency information of the LTE system with the best signal quality or the strongest signal strength from the carrier frequency information of the LTE system that meets the requirements, and The carrier corresponding to the carrier frequency information of the LTE system is used as a target carrier of the LTE system, and a cell of the target carrier of the LTE system is obtained;
  • the MME sends the target carrier of the LTE system to the UE by using the NAS signaling; the MME specifies, to the eNB, the target carrier and the cell that need to cooperate;
  • the UE monitors a paging channel of the target carrier, waits for paging of the LTE, or initiates a connection process with the LTE network system; and establishes an LTE signaling connection and bearer between the UE and the eNB.
  • the specific implementation method is as follows: The eNB initiates a process for the user terminal to access the LTE network system by using a paging message. The process of accessing the LTE network system may be initiated by the user terminal according to the target carrier information delivered by the MME network. In this process, the authentication process may not be performed between the UE and the eAN.
  • the eNB sends a bearer setup response to the MME.
  • the message carries the user plane tunnel information of the eNB.
  • the MME sends a bearer setup response to the S-GW/PGW, where the message carries the user plane tunnel information of the eNB.
  • a specific embodiment of the present invention provides a further embodiment.
  • This embodiment provides a method for deleting a different system carrier aggregation branch.
  • the method for deleting a bearer of an eNB is taken as an example. As shown in FIG. 8, the method includes:
  • the UE has established a connection at the same time in the eHRPD system and the LTE system to perform data services.
  • the PDN GW sends a delete bearer request message, where the EPS bearer and the EPS bearer identifier that need to be deleted are included.
  • the S-GW sends a delete bearer request to the MME, where the message includes the EPS bearer and the EPS bearer identifier that need to be deleted.
  • the MME sends a bearer deactivation request to the eNB, and the EPS bearer is requested to be deleted.
  • the deactivation request includes: an identifier of the EPS bearer to be deleted.
  • the eNB and the UE perform an RRC connection reconfiguration process, and delete the EPS bearer corresponding to the EPS bearer identifier. If all the bearers of the LTE branch need to be deleted, the RRC connection release process is performed at the same time to delete the LTE branch.
  • the eNB sends a 7-load deactivation response to the MME.
  • the MME sends the delete bearer response to the S-GW/P-GW.
  • a specific embodiment of the present invention provides a next embodiment.
  • This embodiment provides a method for deleting a carrier aggregation branch of a different system.
  • an example of deleting a bearer request of an eAN/ePCF is as shown in FIG. 591.
  • the UE has established a connection at the same time in the eHRPD system and the LTE system to perform data services.
  • the PDN GW sends a delete bearer request message, where the EPS bearer and the EPS bearer identifier that need to be deleted are included.
  • the S-GW sends a delete bearer request to the MME, where the message includes the EPS bearer and the EPS bearer identifier that need to be deleted.
  • the MME sends a bearer deactivation request to the eAN/ePCF, and the MME is required to delete the EPS bearer.
  • the deactivation request includes: an identifier of the EPS bearer to be deleted.
  • the eAN/ePCF and the UE perform an air interface flow configuration process to release the air interface radio bearer. If all the bearers of the eHRPD branch need to be deleted, the eHRPD air interface connection release process is executed to delete the eHRPD branch.
  • the eAN/ePCF sends a 7-load deactivation response to the MME.
  • each unit included is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be implemented; in addition, the specific name of each functional unit is also They are only used to facilitate mutual differentiation and are not intended to limit the scope of the present invention.

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Abstract

本发明适用于通信领域，提供了一种异系统载波聚合的方法、装置及系统，所述方法包括：在与第一系统建立连接进行数据业务时，接收第一系统基站的配置，进行第二系统测量；将第二系统测量的测量结果发送给第一系统基站使得第一系统基站向MME转发该测量结果；接收MME根据该测量结果返回的第二系统的目标载波信息；根据该第二系统的目标载波信息与第二系统的基站建立连接和承载，在第二系统进行数据业务。本发明提供的技术方案具有UE能在两种系统下同时进行数据业务的优点。

Description

一种异系统载波聚合的方法、 装置及系统
本申请要求于 2012 年 1 0 月 1 1 日提交中国专利局、 申请号为 201210384472. 2 , 发明名称为 "一种异系统载波聚合的方法、 装置及系统" 的中国专利申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域 本发明属于通信领域， 尤其涉及一种异系统载波聚合的方法、 装置及 系统。 背景技术 为了应对无线宽带技术的挑战， 保持第三代伙伴计划 （ The 3rd Generation Partnership Project, 3 GPP )网络的领先优势， 3GPP在 2004年底 制定了长期演进计划（ Long Term Evolution , LTE ), 在该演进计划的指导下 定义了新的移动通信网络架构，该架构只保留了分组交换（ Packet Switched, PS )域， 因此， 该架构被称为演进分组系统（ Evolved Packet System, EPS ) 或系统架构演进 ( System Architecture Evolution , S ΑΕ )。
LTE系统的架构图如图 1所示： 其中演进陆地通用无线网络（ Evolved Universal Terrestrial Radio Access Network , E-UTRAN )是演进后的基站 eNB, 负责数据的调制解调。 服务网关 （Serving Gateway, S-GW )和分组 数据网网关 （ Packet Data Network Gateway , P-GW )是演进后的网关， 负 责转发数据包， 移动性管理实体 (Mobility Management Entity , ΜΜΕ)是演 进系统的信令控制实体， 负责鉴权、 移动性管理等功能， 演进后的网络不 提供传统电路交换的语音功能， 只提供高速率数据承载业务。 如图 1所示， 演进的系统还能够支持与 3GPP 的第三代无线数据网络和第二点五代无线 数据网络的互通。
3GPP和 3GPP2也定义了 LTE网络与 CDMA 高速率分组数据 ( High Rate Packet Data , HRPD ) 网络分组数据业务的互通标准， 支持用户终端 ( User Equipment , UE )通过 CDMA HRPD网络接入演进的分组核心网 ( Evolved Packet Core , EPC ) 以及 UE在两个系统之间的切换。 参考网络 架构如图 2所示。
在实现现有技术的技术方案中， 发现现有技术存在如下的技术问题： 在 LTE网络与 CDMA HRPD网络分组数据业务的互通架构下， UE同 一时刻只能在一种系统（ LTE或 CDMA HRPD )进行数据业务， 无法同时 在两种系统下同时进行数据业务。 发明内容 本发明实施例的目的在于提供一种异系统载波聚合的方法， 旨在解决 现有技术中的技术方案 UE无法同时在两种系统下同时进行数据业务的问 题。
本发明实施例是这样实现的， 一种异系统载波聚合的方法， 所述方法 包括：
在与第一系统建立连接进行数据业务时， 进行第二系统测量； 将第二系统测量的测量结果发送给第一系统基站使得第一系统基站向 移动性管理实体 MME转发该测量结果；
接收 MME根据该测量结果返回的第二系统的目标载波信息和小区； 根据该第二系统的目标载波信息和小区与第二系统的基站建立连接和 承载， 在第二系统进行数据业务。
可选的， 所述第一系统为： 长期演进计划 LTE系统， 第二系统为： 演 进高速率分组数据 eHRPD或高速率分组数据 HRPD;
或所述第一系统为： eHRPD或 HRPD , 所述第二系统为： LTE系统。 另一方便， 提供一种异系统载波聚合方法， 所述方法包括：
在第一系统基站与用户设备 UE进行数据业务时 ,接收第一系统基站转 发的 UE发送的第二系统测量的测量结果；
根据所述测量结果确定进行载波聚合后， 根据所述测量结果选择参与 聚合的第二系统基站；
接收服务网关 S-GW发送的建立承载请求， 确定该建立承载请求对应 的第二系统目标载波和小区；
所述建立承载请求中包括： QoS信息、 业务流模板 TFT信息以及 UE 的用户面隧道信息；
将第二系统目标载波和小区指定给第二系统基站， 并将该第二系统目 标载波和 d、区发送给 UE使 UE依据该目标载波信息与第二系统基站建立连 接和 7 载。
可选的， 所述确定该建立承载请求对应的第二系统目标载波和小区具 体为：
选择测量结果中信号强度最强的或者质量最好的载波及该载波对应小 区信息作为第二系统目标载波和小区。
可选的， 所述方法还包括：
接收 S-GW发送的删除承载请求，该请求内包括：分组数据网网关 PDN GW发送的请求删除的演进分组系统 EPS承载标识；
向基站发送承载去激活请求， 该请求内携带有请求删除的 EPS承载标 识；
接收基站在依据该承载去激活请求将请求删除的 EPS承载删除后发送 删除承载响应。
下一方面， 提供一种用户设备， 所述用户设备包括：
测量单元， 用于在与第一系统建立连接进行数据业务时， 进行第二系 统测量， 并将测量结果发送给发送单元；
发送单元， 用于将第二系统测量的测量结果发送给第一系统基站使得 第一系统基站向 MME转发该测量结果； 接收单元，用于接收 MME根据该测量结果返回的第二系统的目标载波 信息和小区， 并将所述第二系统的目标载波信息和小区发送给连接业务单 元；
连接业务单元， 用于根据该第二系统的目标载波信息和小区与第二系 统的基站建立连接和承载， 在第二系统进行数据业务。
可选的。 所述第一系统为： LTE系统， 第二系统为： eHRPD或 HRPD; 或所述第一系统为： eHRPD或 HRPD , 所述第二系统为： LTE系统。 最后一方面， 提供一种移动性管理实体， 所述移动性管理实体包括： 接收单元，用于在第一系统基站与 UE进行数据业务时，接收第一系统 基站转发的 UE发送的第二系统测量的测量结果，并将所述测量结果发送给 聚合选择单元；
聚合选择单元， 用于根据所述测量结果确定进行载波聚合后， 根据所 述测量结果选择参与聚合的第二系统基站；
所述接收单元， 还用于接收 S-GW发送的建立承载请求， 并将该建立 承载请求发送给载波选择单元；
所述载波选择单元， 用于确定该建立承载请求对应的第二系统目标载 波和小区， 并将所述第二系统目标载波和小区发送给发送单元；
所述建立承载请求中包括： QoS信息、 TFT信息以及 UE的用户面隧道 信息；
所述发送单元， 用于将第二系统目标载波和小区指定给第二系统基站， 并将该第二系统目标载波和小区发送给 UE使 UE依据该目标载波信息与第 二系统基站建立连接和承载。
可选的， 所述载波选择单元进一步用于选择测量结果中信号强度最强 的或者质量最好的载波及该载波对应小区信息作为第二系统目标载波和小 区。
可选的， 所述接收单元还用于接收 S-GW发送的删除承载请求， 该请 求内包括： PDN GW发送的请求删除的 EPS承载标识， 将所述请求删除的 EPS承载标识传递给所述发送单元；
所述发送单元， 还用于向基站发送承载去激活请求， 该请求内携带有 请求删除的 EPS承载标识；
所述接收单元， 还用于接收基站在依据该承载去激活请求将请求删除 的 EPS承载删除后发送删除承载响应。
本发明实施例与现有技术相比， 有益效果在于： UE能在与第一系统建 立连接进行数据业务的同时， 也能通过本发明具体实施例提供的技术方案 实现第二系统建立连接和承载，进行数据业务，所以其具有 UE同时在两种 系统下同时进行数据业务的优点。 附图说明 图 1是现有技术提供的 LTE系统的架构图；
图 2是现有技术提供的 UE在两个系统之间的切换的参考网络架构图； 图 3是本发明实施例提供的一种异系统载波聚合的方法的流程图； 图 4是本发明实施例提供的一种异系统载波聚合的方法的流程图； 图 5为本发明一实施例提供的 eHRPD和 LTE系统聚合架构图； 图 6为本发明一实施例提供的异系统载波聚合的方法的流程图； 图 7为本发明另一实施例提供的异系统载波聚合的方法的流程图； 图 8为本发明又一实施例提供一种异系统载波聚合分支删除的方法的 流程图；
图 9为本发明下一实施例提供一种异系统载波聚合分支删除的方法的 流程图；
图 10为本发明具体实施方式提供用户设备的结构图； 以及
具体实施方式 为了使本发明的目的、 技术方案及优点更加清楚明白， 以下结合附图 及实施例， 对本发明进行进一步详细说明。 应当理解， 此处所描述的具体 实施例仅仅用以解释本发明， 并不用于限定本发明。
本发明具体实施方式提供一种异系统载波聚合的方法， 该方法如图 3 所示， 由 UE执行， 该方法包括：
S31、 在与第一系统建立连接进行数据业务时， 进行第二系统测量； S32、将第二系统测量的测量结果发送给第一系统基站使得第一系统基 站向 MME转发该测量结果； 可选的， 上述测量结果包括： 载频信息、 小 区标识信息以及信号强度或质量信息。
S33、 接收 MME根据该测量结果返回的第二系统的目标载波信息和小 区；
S34、 UE根据该第二系统的目标载波信息和小区与第二系统的基站建 立连接和承载， 在第二系统进行数据业务。
可选的， 上述第一系统可以为： LTE 系统， 第二系统可以为： eHRPD 或 HRPD; 当然上述第一系统可以为： eHRPD或 HRPD, 第二系统可以为： LTE系统。
本发明具体实施例提供的 UE 能在与第一系统建立连接进行数据业务 的同时， 也能通过本发明具体实施例提供的技术方案实现第二系统建立连 接和承载，进行数据业务， 所以其具有 UE同时在两种系统下同时进行数据 业务的优点。
本发明具体实施例还提供一种异系统载波聚合的方法， 该方法如图 4 所示， 由 MME执行， 该方法包括：
S41、 在第一系统基站与 UE进行数据业务时， 接收第一系统基站转发 的 UE发送的第二系统测量的测量结果；
其中， 上述测量结果包括： 载频信息、 小区标识信息以及信号强度或 质量信息； 542、 根据该测量结果确定进行载波聚合后， 根据该测量结果选择参与 聚合的第二系统基站；
上述 S42的实现方法具体可以为：
可以根据测量结果内的信号强度信息或信号质量来确定是否进行载波 聚合， 具体为， 判断该信号强度超过强度阔值或者信号质量超过质量阔值 时， 可以确定能够进行载波聚合， 并确定信号质量最好或者信号强度最好 的测量结果对应的小区标识， 将该小区标识对应的基站作为第二系统的目 标基站。
543、 接收 S-GW发送的建立承载请求， ；
可选的， 上述承载请求中包括： QoS信息、 业务流模板（ Traffic Flow
Template , TFT )信息、 以及 UE的用户面隧道信息；
根据业务的 QoS要求以及第一系统和第二系统的承载能力或拥塞情况 来确定该业务由第一系统承载， 或由第二系统承载， 或由两个系统共同承 载。 如上网浏览类业务由数据速率低的系统承载， 而需要带宽多的视频类 业务由数据速率高的系统来承载。 如确定由第二系统承载业务，
544、 获取该建立承载请求对应的目标载波信息， 将第二系统目标载波 和其对应的小区指定给第二系统基站， 并将该第二系统目标载波和小区发 送给 UE使 UE依据该目标载波信息与第二系统基站建立连接和承载。
本发明具体实施例提供的 UE 能在与第一系统建立连接进行数据业务 的同时， 也能通过本发明具体实施例提供的技术方案实现第二系统建立连 接和承载，进行数据业务， 所以其具有 UE同时在两种系统下同时进行数据 业务的优点。
可选的， 上述获取该建立承载请求对应的第二系统目标载波信息具体 可以为：
选择测量结果中信号强度最强的或者质量最好的载波及对应小区信 息。 可选的， 上述方法在 S44之后， 还可以包括：
MME接收 S-GW发送的删除承载请求，该请求内包括： PDN GW发送 的请求删除的 EPS承载标识；
MME 向基站发送承载去激活请求， 该请求内携带有请求删除的 EPS 承载标识；
MME接收基站在依据该承载去激活请求将请求删除的 EPS承载删除 后发送删除承载响应。
需要说明的是， 上述请求删除的 EPS承载既可以使第一系统的 EPS承 载， 也可以使第二系统的 EPS承载。
基站在依据该承载去激活请求将请求删除的 EPS承载删除的具体方式 可以为： 如 EPS承载为 LTE系统的 EPS承载， 则基站和 UE执行 RRC连 接重配过程。如果 LTE分支的所有承载都需要删除， 则同时执行 RRC连接 释放过程， 删除 LTE分支。 如 EPS承载为 eHRPD或 HRPD承载， 则基站 和 UE执行空口流配置过程， 释放空口无线承载。 如果 eHRPD或 HRPD分 支的所有承载都需要删除， 则会执行 eHRPD 空口连接释放过程， 删除 eHRPD分支。
本发明具体实施例提供一种用户设备，该用户设备如图 10所示，包括： 测量单元 102, 用于在与第一系统建立连接进行数据业务时， 进行第二 系统测量， 并将测量结果发送给发送单元 103;
发送单元 103 ,用于将第二系统测量的测量结果发送给第一系统基站使 得第一系统基站向 MME转发该测量结果；
接收单元 101 ,用于接收 MME根据该测量结果返回的第二系统的目标 载波信息， 并将所述第二系统的目标载波信息发送给连接业务单元 104; 连接业务单元 104,用于根据该第二系统的目标载波信息与第二系统的 基站建立连接和承载， 在第二系统进行数据业务。
可选的， 所述第一系统为： LTE系统， 第二系统为： eHRPD或 HRPD; 或所述第一系统为： eHRPD或 HRPD , 所述第二系统为： LTE系统。 本发明具体实施例提供的 UE 能在与第一系统建立连接进行数据业务 的同时， 也能通过本发明具体实施例提供的技术方案实现第二系统建立连 接和承载，进行数据业务， 所以其具有 UE同时在两种系统下同时进行数据 业务的优点。
本发明具体实施例还提供一种移动性管理实体， 移动性管理实体如图 11所示， 包括：
接收单元 111 , 用于在第一系统基站与 UE进行数据业务时， 接收第一 系统基站转发的 UE发送的第二系统测量的测量结果，并将所述测量结果发 送给聚合选择单元 112;
聚合选择单元 112, 用于根据所述测量结果确定进行载波聚合后，根据 所述测量结果选择参与聚合的第二系统基站；
接收单元 111 ,还用于接收 S-GW发送的建立承载请求， 并将该建立承 载请求发送给载波选择单元 113;
载波选择单元 113 ,用于确定该建立承载请求对应的第二系统目标载波 和小区， 并将所述第二系统目标载波和小区发送给发送单元 114;
所述建立承载请求中包括： QoS信息、 TFT信息以及 UE的用户面隧道 信息；
发送单元 114, 用于将第二系统目标载波和小区指定给第二系统基站， 并将该第二系统目标载波和小区发送给 UE使 UE依据该目标载波信息与第 二系统基站建立连接和承载。
可选的， 上述载波选择单元 113 进一步用于选择测量结果中信号强度 最强的或者质量最好的载波及该载波对应小区信息作为第二系统目标载波 和小区。
可选的， 上述接收单元 111还用于接收 S-GW发送的删除承载请求， 该请求内包括： PDN GW发送的请求删除的 EPS承载标识， 将所述请求删 除的 EPS承载标识传递给发送单元 114;
发送单元 114, 还用于向基站发送承载去激活请求， 该请求内携带有请 求删除的 EPS承载标识；
接收单元 111 ,还用于接收基站在依据该承载去激活请求将请求删除的 EPS承载删除后发送删除承载响应。
本发明具体实施例提供一种用户设备， 该用户设备如包括： 收发器和 处理器； 其中
处理器， 用于在与第一系统建立连接进行数据业务时， 进行第二系统 测量， 并将测量结果发送给所述收发器；
所述收发器， 用于将第二系统测量的测量结果发送给第一系统基站使 得第一系统基站向 MME转发该测量结果；
所述收发器，还用于接收 MME根据该测量结果返回的第二系统的目标 载波信息， 并将所述第二系统的目标载波信息发送给所述处理器；
所述处理器， 用于根据该第二系统的目标载波信息与第二系统的基站 建立连接和承载， 在第二系统进行数据业务。
可选的， 所述第一系统为： LTE系统， 第二系统为： eHRPD或 HRPD; 或所述第一系统为： eHRPD或 HRPD , 所述第二系统为： LTE系统。 需要说明的是， 上述收发器具体可以为天线或天线矩阵等。
本发明具体实施例提供的 UE 能在与第一系统建立连接进行数据业务 的同时， 也能通过本发明具体实施例提供的技术方案实现第二系统建立连 接和承载，进行数据业务， 所以其具有 UE同时在两种系统下同时进行数据 业务的优点。
本发明具体实施例还提供一种移动性管理实体， 移动性管理实体包括： 收发器和处理器； 其中
收发器，用于在第一系统基站与 UE进行数据业务时，接收第一系统基 站转发的 UE发送的第二系统测量的测量结果，并将所述测量结果发送给所 述处理器；
所述处理器， 用于根据所述测量结果确定进行载波聚合后， 根据所述 测量结果选择参与聚合的第二系统基站；
所述收发器， 还用于接收 S-GW发送的建立承载请求， 并将该建立承 载请求发送给所述处理器；
所述处理器， 用于确定该建立承载请求对应的第二系统目标载波和小 区， 并将所述第二系统目标载波和小区发送给所述收发器；
所述建立承载请求中包括： QoS信息、 TFT信息以及 UE的用户面隧道 信息；
所述收发器， 用于将第二系统目标载波和小区指定给第二系统基站， 并将该第二系统目标载波和小区发送给 UE使 UE依据该目标载波信息与第 二系统基站建立连接和承载。
可选的， 上述处理器进一步用于选择测量结果中信号强度最强的或者 质量最好的载波及该载波对应小区信息作为第二系统目标载波和小区。
可选的， 上述收发器还用于接收 S-GW发送的删除承载请求， 该请求 内包括： PDN GW发送的请求删除的 EPS承载标识， 向基站发送承载去激 活请求， 该请求内携带有请求删除的 EPS承载标识； 接收基站在依据该承 载去激活请求将请求删除的 EPS承载删除后发送删除承载响应。 实施例
本发明具体实施方式提供一实施例， 本实施例提供一种异系统载波聚 合的方法， 本实施例在如图 5所示的 eHRPD和 LTE系统聚合架构中实现， 其中需要说明的是， 上述 eHRPD也可以替换成 HRPD; 本实施例提供的方 法如图 6所示， 包括：
561、 UE在 LTE系统已经连接， 进行数据业务；
562、 eNB对 UE进行配置使 UE进行异系统测量； 563、 UE向 eNB发送测量结果； 该测量结果内包括： eHRPD的基站的 载频信息、 小区导频偏置以及 eHRPD的各个小区 （能够测量到的 eHRPD 的基站） 的信号质量或信号强度（可以只选择一个） ；
564、 eNB将测量结果发送给 MME, 并携带小区偏置对应的小区标识；
565、 MME根据该测量结果进行聚合确定；
S65的实现方法具体可以为，根据该测量结果内的信号质量或信号强度 看是否符合聚合的质量阔值或强度阔值， 如符合， 进行聚合确定， 不符合， 结束操作。
566、 S-GW发送建立承载请求， 该请求内包括： QoS信息、 TFT信息、 以及 S-GW的用户面隧道信息；
567、 MME根据该承载请求的 QoS 信息获取符合 QoS要求对应的 eHRPD 系统载频信息， 从符合要求的 eHRPD 系统载频信息中查找出信号 质量最好或信号强度最强 eHRPD系统载频信息， 并将该 eHRPD系统载频 信息对应的载波作为 eHRPD系统目标载波， 并获取该 eHRPD系统目标载 波的小区；
568、 MME通过 NAS信令将 eHRPD系统目标载波和小区发送给 UE; MME给 eAN/ePCF指定需要协作的目标载波和小区；
569、 UE监控目标载波的寻呼信道， 等待 eHRPD的寻呼或者主动发起 与 eHRPD网络系统的连接过程； UE和 eAN/ePCF之间建立 eHRPD信令连 接和 7 载。
具体实现方法可以为： eAN/ePCF 通过寻呼消息发起用户终端接入 eHRPD网络系统的过程。 也可以由用户终端根据 MME网络下发的目标载 波信息主动发起接入 eHRPD网络系统的过程。此过程中， 当 UE和 eAN之
S691、 eAN/ePCF给 MME发送承载建立响应。 消息中携带 eAN/ePCF 的用户面隧道信息。 S692、 MME向 S-GW/PGW发送建立承载响应， 消息中携带 eAN/ePCF 的用户面隧道信息。 本发明具体实施例方式提供另一实施例， 本实施例也提供一种异系统 载波聚合的方法， 该方法如图 7所示， 包括：
571、 UE在 eHRPD系统已经连接， 进行数据业务；
572、 eAN/ePCF对 UE进行配置使 UE进行异系统测量；
573、 UE向 eAN/ePCF发送测量结果； 该测量结果内包括： LTE的基 站的载频信息、 物理小区标识以及 LTE的各个小区 (能够测量到的 LTE的 基站） 的信号质量或信号强度（可以只选择一个） ；
574、 eAN/ePCF将测量结果发送给 MME, 并携带物理小区标识对应的 小区全局标识；
575、 MME根据该测量结果进行聚合确定；
S75的实现方法具体可以为，根据该测量结果内的信号质量或信号强度 看是否符合聚合的质量阔值或强度阔值， 如符合， 进行聚合确定， 不符合， 结束操作。
576、 S-GW发送建立承载请求， 该请求内包括： QoS信息、 TFT信息、 以及 S-GW的用户面隧道信息；
577、 MME根据该承载请求的 QoS信息获取符合 QoS要求对应的 LTE 系统载频信息， 从符合要求的 LTE系统载频信息中查找出信号质量最好或 信号强度最强 LTE系统载频信息，并将该 LTE系统载频信息对应的载波作 为 LTE系统目标载波， 并获取该 LTE系统目标载波的小区；
578、 MME通过 NAS信令将 LTE系统目标载波发送给 UE; MME给 eNB指定需要协作的目标载波和小区；
579、 UE监控目标载波的寻呼信道， 等待 LTE的寻呼或者主动发起与 LTE网络系统的连接过程； UE和 eNB之间建立 LTE信令连接和承载。 具体实现方法为： eNB通过寻呼消息发起用户终端接入 LTE网络系统 的过程。也可以由用户终端根据 MME网络下发的目标载波信息主动发起接 入 LTE网络系统的过程。 此过程中， 当 UE和 eAN之间可以不执行认证过 程。
S791、 eNB给 MME发送承载建立响应。 消息中携带 eNB的用户面隧 道信息。
S792、 MME向 S-GW/PGW发送建立承载响应， 消息中携带 eNB的用 户面隧道信息。
本发明具体实施方式提供又一实施例， 本实施例提供一种异系统载波 聚合分支删除的方法， 本实施例以删除 eNB的承载请求为例， 该方法如图 8所示， 包括：
581、 UE已经在 eHRPD系统和 LTE系统同时建立连接， 进行数据业 务。
582、 PDN GW发送删除承载请求消息， 包含需要删除的 EPS承载以 及 EPS承载标识。 S-GW向 MME发送删除承载请求， 消息中包含需要删 除的 EPS承载以及 EPS承载标识。
583、 MME向 eNB发送承载去激活请求， 要求删除 EPS承载， 该去激 活请求中包括： 需要删除的 EPS承载的标识。
584、 eNB和 UE执行 RRC连接重配过程， 删除该 EPS承载标识对应 的 EPS承载。 如果 LTE分支的所有承载都需要删除， 则会同时执行 RRC 连接释放过程， 删除 LTE分支。
585、 eNB将 7 载去激活响应发送给 MME。
586、 MME将删除承载响应发送给 S-GW/P-GW。
本发明具体实施方式提供下一实施例， 本实施例提供一种异系统载波 聚合分支删除的方法，本实施例以删除 eAN/ePCF的承载请求为例，该方法 如图 9所示， 包括： 591、 UE已经在 eHRPD系统和 LTE系统同时建立连接， 进行数据业 务。
592、 PDN GW发送删除承载请求消息， 包含需要删除的 EPS承载以 及 EPS承载标识。 S-GW向 MME发送删除承载请求， 消息中包含需要删 除的 EPS承载以及 EPS承载标识。
593、 MME向 eAN/ePCF发送承载去激活请求， 要求删除 EPS承载， 该去激活请求中包括： 需要删除的 EPS承载的标识。
594、 eAN/ePCF和 UE执行空口流配置过程， 释放空口无线承载。 如 果 eHRPD分支的所有承载都需要删除， 则会执行 eHRPD空口连接释放过 程， 删除 eHRPD分支。
595、 eAN/ePCF将 7 载去激活响应发送给 MME。
596、 MME将删除承载响应发送给 S-GW/P-GW。 值得注意的是， 上述实施例中， 所包括的各个单元只是按照功能逻辑 进行划分的， 但并不局限于上述的划分， 只要能够实现相应的功能即可； 另外， 各功能单元的具体名称也只是为了便于相互区分， 并不用于限制本 发明的保护范围。
另外， 本领域普通技术人员可以理解实现上述各实施例方法中的全部 或部分步骤是可以通过程序来指令相关的硬件来完成， 相应的程序可以存 储于一计算机可读取存储介质中， 所述的存储介质， 如 ROM/RAM、 磁盘 或光盘等。
以上所述仅为本发明的较佳实施例而已， 并不用以限制本发明， 凡在 本发明的精神和原则之内所作的任何修改、 等同替换和改进等， 均应包含 在本发明的保护范围之内。

Claims

权利要求
1、 一种异系统载波聚合的方法， 其特征在于， 所述方法包括： 在与第一系统建立连接进行数据业务时， 进行第二系统测量； 将第二系统测量的测量结果发送给第一系统基站使得第一系统基站向 移动性管理实体 MME转发该测量结果；
接收 MME根据该测量结果返回的第二系统的目标载波信息和小区； 根据该第二系统的目标载波信息和小区与第二系统的基站建立连接和 承载， 在第二系统进行数据业务。
2、 根据权利要求 1所述的方法， 其特征在于， 所述第一系统为： 长期 演进计划 LTE系统， 第二系统为： 演进高速率分组数据 eHRPD或高速率 分组数据 HRPD;
或所述第一系统为： eHRPD或 HRPD , 所述第二系统为： LTE系统。
3、 一种异系统载波聚合方法， 其特征在于， 所述方法包括：
在第一系统基站与用户设备 UE进行数据业务时，接收第一系统基站转 发的 UE发送的第二系统测量的测量结果；
根据所述测量结果确定进行载波聚合后， 根据所述测量结果选择参与 聚合的第二系统基站；
接收服务网关 S-GW发送的建立承载请求， 确定该建立承载请求对应 的第二系统目标载波和小区；
所述建立承载请求中包括： QoS信息、 业务流模板 TFT信息以及 UE 的用户面隧道信息；
将第二系统目标载波和小区指定给第二系统基站， 并将该第二系统目 标载波和 d、区发送给 UE使 UE依据该目标载波信息与第二系统基站建立连 接和 7 载。
4、 根据权利要求 3所述的方法， 其特征在于， 所述确定该建立承载请 求对应的第二系统目标载波和小区具体为：
选择测量结果中信号强度最强的或者质量最好的载波及该载波对应小 区信息作为第二系统目标载波和小区。
5、 根据权利要求 3所述的方法， 其特征在于， 所述方法还包括： 接收 S-GW发送的删除承载请求，该请求内包括：分组数据网网关 PDN
GW发送的请求删除的演进分组系统 EPS承载标识；
向基站发送承载去激活请求， 该请求内携带有请求删除的 EPS承载标 识；
接收基站在依据该承载去激活请求将请求删除的 EPS承载删除后发送 删除承载响应。
6、 一种用户设备， 其特征在于， 所述用户设备包括：
测量单元， 用于在与第一系统建立连接进行数据业务时， 进行第二系 统测量， 并将测量结果发送给发送单元；
发送单元， 用于将第二系统测量的测量结果发送给第一系统基站使得 第一系统基站向 MME转发该测量结果；
接收单元，用于接收 MME根据该测量结果返回的第二系统的目标载波 信息和小区， 并将所述第二系统的目标载波信息和小区发送给连接业务单 元；
连接业务单元， 用于根据该第二系统的目标载波信息和小区与第二系 统的基站建立连接和承载， 在第二系统进行数据业务。
7、 根据权利要求 6所述的用户设备， 其特征在于， 所述第一系统为： LTE系统， 第二系统为： eHRPD或 HRPD；
或所述第一系统为： eHRPD或 HRPD , 所述第二系统为： LTE系统。
8、 一种移动性管理实体， 其特征在于， 所述移动性管理实体包括： 接收单元，用于在第一系统基站与 UE进行数据业务时，接收第一系统 基站转发的 UE发送的第二系统测量的测量结果，并将所述测量结果发送给 聚合选择单元；
聚合选择单元， 用于根据所述测量结果确定进行载波聚合后， 根据所 述测量结果选择参与聚合的第二系统基站；
所述接收单元， 还用于接收 S-GW发送的建立承载请求， 并将该建立 承载请求发送给载波选择单元；
所述载波选择单元， 用于确定该建立承载请求对应的第二系统目标载 波和小区， 并将所述第二系统目标载波和小区发送给发送单元；
所述建立承载请求中包括： QoS信息、 TFT信息以及 UE的用户面隧道 信息；
所述发送单元， 用于将第二系统目标载波和小区指定给第二系统基站， 并将该第二系统目标载波和小区发送给 UE使 UE依据该目标载波信息与第 二系统基站建立连接和承载。
9、 根据权利要求 8所述的移动性管理实体， 其特征在于， 所述载波选 择单元进一步用于选择测量结果中信号强度最强的或者质量最好的载波及 该载波对应小区信息作为第二系统目标载波和小区。
10、 根据权利要求 8所述的移动性管理实体， 其特征在于， 所述接收 单元还用于接收 S-GW发送的删除承载请求， 该请求内包括： PDN GW发 送的请求删除的 EPS承载标识， 将所述请求删除的 EPS承载标识传递给所 述发送单元；
所述发送单元， 还用于向基站发送承载去激活请求， 该请求内携带有 请求删除的 EPS承载标识；
所述接收单元， 还用于接收基站在依据该承载去激活请求将请求删除 的 EPS承载删除后发送删除承载响应。
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