WO2010096977A1 - 一种用户切换到家用基站的方法和装置 - Google Patents
一种用户切换到家用基站的方法和装置 Download PDFInfo
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- WO2010096977A1 WO2010096977A1 PCT/CN2009/073624 CN2009073624W WO2010096977A1 WO 2010096977 A1 WO2010096977 A1 WO 2010096977A1 CN 2009073624 W CN2009073624 W CN 2009073624W WO 2010096977 A1 WO2010096977 A1 WO 2010096977A1
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- WIPO (PCT)
- Prior art keywords
- base station
- user
- message
- home base
- relocation
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 94
- 238000005259 measurement Methods 0.000 claims description 21
- 238000012790 confirmation Methods 0.000 claims description 18
- 230000006978 adaptation Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 8
- 102000002067 Protein Subunits Human genes 0.000 claims 1
- 108010001267 Protein Subunits Proteins 0.000 claims 1
- 238000007726 management method Methods 0.000 description 88
- 230000009365 direct transmission Effects 0.000 description 50
- 230000011664 signaling Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 5
- 230000001960 triggered effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005538 encapsulation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
Definitions
- the present invention relates to the field of communications, and in particular, to a method and apparatus for a user to switch to a home base station.
- a home base station is a small, low-power base station deployed in indoor places such as homes and offices. The main function is to provide users with higher service rates and lower the cost of using high-speed services. Insufficient coverage of distributed cellular wireless communication systems.
- the advantages of home base stations are affordable, convenient, low power output, plug and play, and more.
- the home base station accesses the core network through the logical base unit of the home base station gateway. As shown in FIG.
- the main function performed by the home base station gateway is: verifying the security of the home base station, and processing the registration of the home base station, and the home base station Perform operation and maintenance management to configure and control the home base station according to the operator's requirements, and exchange data between the core network and the home base station.
- the user of the home base station needs to register in the home base station gateway before using the home base station, and the gateway saves the user's context information through the user registration process, so that the home base station gateway performs management operations on the user's signaling message.
- the registration process of the home base station user is as shown in FIG.
- Step S201 Before performing communication, the user needs to establish a radio resource control (Radio Resource Control, called RRC) connection as a signaling message or a bearer of service data.
- Step S202 The user triggers the registration process by initializing a non-access stratum message (Non Access Stratum, called NAS), and the message type may be an attach message, a location update message, a service request message, or the like.
- RRC Radio Resource Control
- Step S203 The home base station finds that there is no context identification information of the user, sends a registration request message to the home base station gateway, and registers the user information to the home base station gateway, where the message content includes the type of registration, the international mobile subscriber identity of the user (International Mobile Subscriber Identify, the cartridge is called IMSI) and the identity of the home base station.
- Step S204 The home base station gateway performs a capability check on the user accessing the home base station, and if the user is allowed to use the resources provided by the home base station, then the registration is accepted and established.
- the user context carries the user context identification information in the registration response message replied to the home base station.
- Step S205 The home base station gateway does not perform any processing on the non-access stratum message sent from the user, and transparently forwards the message to the core network.
- Step S206 The core network performs an authentication and a security process according to the sent NAS message, and performs a risk certificate on the user.
- Step S207 if the authentication and the security check are passed, and the core network side performs a corresponding specific operation according to the non-access stratum message sent by the user, the user is replied to the non-access stratum response message, and the information on the core network side is brought to The user, this message is transparently transmitted between the user and the core network, and the home base station and the home base station gateway are not handled.
- the user base station and the home base station gateway can obtain the user context identifier through the user registration process in the prior art, and the home base station and the home base station gateway use this identifier to distinguish the user adaptation in the wireless access network application part (RANAP User Adaptation, referred to as RUA)
- the radio access network application part (Radio Access Network Application Part, RANAP) message, which is the user's radio access network application part, provides RANAP and flow control transport protocol (Stream Control) Adaptation between Transmission Protocol, called SCTP.
- RANAP Radio Access Network Application Part
- SCTP Transmission Protocol
- the target home base station and the target home base station gateway do not have the user's context identifier. information.
- the signaling message at this time cannot be mapped, and the handover process cannot be completed normally.
- the handover process cannot be completed normally, and an effective solution has not been proposed yet.
- the present invention provides a method and apparatus for a user to switch to a home base station, which is used to solve the problem that the handover process cannot be completed normally if the target cell is a home base station when the user performs cell handover in the prior art.
- a method for a user to switch to a home base station is provided.
- the method for a user to switch to a home base station according to the present invention includes: A.
- the target home base station gateway receives the relocation request message sent by the core network mobility management unit.
- the target home base station gateway generates a user context for the user according to the relocation request message, and assigns a user context identifier to the user context, and sends the user context identifier and the relocation request message to the target home.
- Base station
- the target home base station gateway receives the relocation request acknowledgement message replied by the target home base station, send the relocation request acknowledgement message to the core network mobility management unit.
- the step A includes: the source base station initiates a handover according to the measurement report reported by the user; when the source base station is a macro base station, the source base station directly sends a relocation requirement message to the core network mobility management unit, where the source base station is a home base station, The source base station sends a relocation request message to the core network mobility management unit by using the home base station gateway; the core network mobility management unit sends a relocation request message to the target home base station gateway according to the relocation requirement message, where the message carries The user permanent identifier added by the core network mobility management unit.
- the step A further includes: the source base station initiates the handover according to the measurement report reported by the user; when the source base station is the macro base station, the source base station directly sends a relocation requirement message to the core network mobility management unit, where the source base station is the home base station, the source base station And transmitting, by the home base station gateway, the relocation requirement message to the core network mobility management unit, where the relocation requirement message carries the permanent identifier added by the active base station, and the core network mobility management unit follows the received relocation requirement message.
- the target home base station gateway sends a relocation request message.
- the user is configured to generate a user context for the user according to the relocation request message, and the user context identifier is specifically configured to be included in the relocation request message.
- step A further includes: the source base station initiates the handover according to the measurement report reported by the user; when the source base station is the macro base station, the source base station directly sends the relocation requirement message to the core network mobility management unit, and when the source base station is the home base station, the source base station passes The home base station gateway sends a relocation requirement message to the core network mobility management unit; the core network mobility management unit sends a relocation request message to the target home base station gateway according to the received relocation requirement message.
- the step B generates a user context according to the relocation request message, and assigns the user context identifier to the user context, which specifically includes: when the relocation request message does not carry the user permanent identifier, According to the Iu connection label in the relocation request message, only the temporary user target is generated, a user context is generated for the user, and the user context label is assigned to the user context.
- the sending the user context identifier and the relocation request message to the target home base station in step B specifically includes: the target home base station gateway encapsulating the user context identification information and the relocation request message in the wireless access network application part.
- the target home base station gateway sends the user context identification information to the target home base station by using the newly defined identifier allocation information at the home base station application protocol layer, and receiving the identifier of the target home base station reply
- the relocation request message is encapsulated in the radio access network application part user adaptation connection message and sent to the target home base station.
- the method provided by the present invention further includes the following steps after the step C: The core network mobility management unit sends a relocation command to trigger the source base station to initiate a synchronization process of the user to the target home base station.
- an apparatus for a user to switch to a home base station includes: a relocation request message receiving unit, configured to: when the user initiates the handover from the source base station to the target home base station, receive the relocation from the core network mobility management unit to which the source base station belongs a request message; a context identifier allocation unit, configured to generate a user context for the user according to the relocation request message received by the relocation request message receiving unit, and assign a user context identifier to the user context, and set the user context identifier and the relocation request message Sending to the target home base station for processing; the request confirmation message sending unit, configured to send the relocation request acknowledgement message to the core network mobility management unit when receiving the relocation request acknowledgement message replied by the target home base station.
- the context identifier allocation unit further includes: an identifier information determining subunit, a first context identifier assigning subunit, a second context identifier assigning subunit, and a message sending subunit, and an identifier information determining subunit, configured to request a relocation request
- the relocation request message sent by the message sending unit is determined.
- the first context identifier allocation subunit is triggered.
- the triggering is triggered.
- a second context identifier allocation subunit configured to retrieve the user permanent identifier according to the relocation request message, and if the user is not registered, generate a user context for the user, and allocate the user context a second context identifier allocation subunit, configured to generate a user context for the user according to the Iu connection label in the relocation request message, and assign a user context label to the user context;
- Message delivery sub-sheet For a user context identifier and the relocation request message to the target home base station for processing.
- the device provided by the present invention further includes: a synchronization process establishing unit, configured to send a relocation command by the core network mobility management unit to trigger a synchronization process of the source base station to initiate a user to the target home base station.
- a synchronization process establishing unit configured to send a relocation command by the core network mobility management unit to trigger a synchronization process of the source base station to initiate a user to the target home base station.
- FIG. 1 is a block diagram of a network connection structure of a home base station in the related art
- FIG. 2 is a flowchart of a registration process of a home base station user in the related art
- FIG. 3 is a flowchart of a method for a user to switch to a home base station according to an embodiment of the present invention
- FIG. 4 is a flowchart of a method for a user to switch to a home base station according to Embodiment 1 of the present invention
- FIG. 5 is a flowchart of a method for a user to switch to a home base station according to Embodiment 2 of the present invention
- FIG. 7 is a flowchart of a method for a user to switch to a home base station according to Embodiment 4 of the present invention
- FIG. 8 is a flowchart of a method for a user to switch to a home base station according to Embodiment 4 of the present invention
- a flowchart of a method for a user to switch to a home base station is provided.
- FIG. 9 is a flowchart of a method for a user to switch to a home base station according to Embodiment 6 of the present invention
- FIG. 10 is a flowchart of Embodiment 7 of the present invention.
- FIG. 11 is a flowchart of a method for a user to switch to a home base station according to Embodiment 8 of the present invention;
- FIG. 12 is a flowchart of a method for a user to switch to a home base station;
- a flowchart of a user according to a ninth invention provides a method of switching to the home base station of the embodiment;
- FIG. 13 is a flowchart of a method for a user to switch to a home base station according to Embodiment 10 of the present invention;
- FIG. 3 is a flowchart of a method for a user to switch to a home base station according to an embodiment of the present invention. As shown in FIG. 3, the flowchart includes steps S301 to S303: Step S301: A user initiates a handover from a source base station to a target home base station. The target home base station gateway receives the relocation request message sent by the core network mobility management unit. This step specifically includes:
- the source base station initiates handover according to the measurement report reported by the user.
- the source base station When the source base station is a macro base station, the source base station directly sends a relocation requirement message to the core network mobility management unit.
- the source base station When the source base station is a home base station, the source base station passes the home base station gateway. Sending a relocation request message to the core network mobility management unit; the core network mobility management unit sends a relocation request message to the target home base station gateway according to the relocation requirement message, where the message carries the core network mobility management unit added User permanent identification.
- the source base station initiates the handover according to the measurement report reported by the user; when the source base station is the macro base station, the source base station directly sends a relocation requirement message to the core network mobility management unit, and when the source base station is the home base station, the source base station passes the home base station gateway. Sending a relocation request message to the core network mobility management unit, where the relocation request message carries the user permanent identity added by the active base station, and the core network mobility management unit sends a relocation request to the target home base station gateway according to the received relocation requirement message. Message. or,
- the source base station initiates handover according to the measurement report reported by the user; when the source base station is the macro base station, the source base station directly sends a relocation requirement message to the core network mobility management unit, and when the source base station is the home base station, the source base station passes the home base station gateway.
- Step S302 The target home base station gateway generates a user context for the user according to the relocation request message, and assigns a user context identifier to the user context, and sends the user context identifier and the relocation request message to the target home base station.
- the user When the step (1) adopts the (1) and (2) implementation manners, the user generates a user context according to the relocation request message in the step, and assigns the user context label to the user context, and specifically includes: when the relocation request message is used. When the user's permanent identity is carried, the user's permanent identity in the relocation request message is retrieved. If the user is not registered, a user context is generated for the user, and the user context is assigned to the user context.
- the step S301 adopts the (3) implementation manner, the user generates a user context according to the relocation request message, and assigns the user context label to the user context, and specifically includes: when the relocation request message is not carried. When the user is permanently identified, it is only in the relocation request message.
- the Iu connection is only used as a temporary user to generate a user context for the user and assign a user context to the user context.
- sending the user context identifier and the relocation request message to the target home base station in the step further includes: the target home base station gateway encapsulating the user context identifier information and the relocation request message in the radio access network application part user adaptation connection message Transmitting to the target home base station; or, the target home base station gateway 1 1 user context identification information is sent to the target home base station by using the newly defined identification allocation information at the home base station application, and receiving the identity of the target home base station reply After the acknowledgment message is allocated, the relocation request message is encapsulated in the radio access network application part user adaptation connection message and sent to the target home base station.
- Step S303 When the target home base station gateway receives the relocation request acknowledgement message replied by the target home base station, the relocation request acknowledgement message is sent to the core network mobility management unit.
- the method further includes: the core network mobility management unit sends a relocation command to trigger the source base station to initiate a synchronization process of the user to the target home base station.
- FIG. 4 is a flowchart of a method for a user to switch to a home base station according to Embodiment 1 of the present invention. As shown in FIG. 4, the flowchart includes steps S401 to S406: Step S401, the macro base station is located on the user. The measurement request indicates that the handover process is initiated, and the relocation requirement message is sent to the core network mobility management unit, where the relocation requirement message carries information such as the target base station identifier.
- Step S402 after receiving the relocation requirement message, the core network mobility management unit determines according to the target base station identification information carried in the relocation requirement message, and if it finds that the target base station to be handed over is a home base station, then it is sending In the relocation request message of the target home base station gateway Carry the user's permanent identity IMSI.
- the macro base station (or source home base station) and the target home base station in this embodiment and the following embodiments are managed by the same core network mobility management unit.
- the source core network mobility management unit completes the user mobility management context, the bearer context, the target base station identity, etc. by forwarding the relocation request message.
- the information required for the handover is sent to the target core network mobility management unit, and the target core network mobility management unit sends a relocation request message to the target home base station gateway according to the method of this step.
- Step S403 The user in the target home base station gateway relocation request message permanently identifies the IMSI for retrieval. If the user is found to have not been registered, then a user context is generated for the user and the user context identifier is assigned, together with the relocation request message.
- the encapsulation is sent to the target home base station in the RUA connection message.
- Step S405 The target home base station gateway receives the RUA direct transmission message, and sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S406 the core network mobility management unit triggers the macro base station to initiate a synchronization process of the user to the target home base station by using a relocation command.
- Step S501 the macro base station according to the measurement report reported by the user. Determining the initiation of the handover procedure, when the macro base station is able to determine, according to the configuration information of the target base station to be switched, that the target base station to be handed over is a home base station, adding the permanent user to the relocation requirement message sent to the core network mobility management unit Identifies the IMSI.
- the relocation requirement message also carries information such as the target base station identifier.
- Step S502 After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway.
- Step S503 The user in the target home base station gateway relocation request message permanently identifies the IMSI for retrieval. If the user is found to have not been registered, then a user context is generated for the user and the user context identifier is assigned, together with the relocation request message. The encapsulation is sent to the target home base station in the RUA connection message.
- Step S504 The target home base station receives the RUA connection message, and determines according to the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved, and the relocation request acknowledgement message is returned.
- the relocation request acknowledgement message is encapsulated in the RUA direct transmission message, and the user context identifier is also carried in the RUA direct transmission message to distinguish the correspondence between the message and the user.
- Step S505 The target home base station gateway receives the RUA direct transmission message, and sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S506 the core network mobility management unit triggers the macro base station to initiate a synchronization process of the user to the target home base station by using a relocation command.
- FIG. 6 is a flowchart of a method for a user to switch to a home base station according to Embodiment 3 of the present invention. As shown in FIG.
- Step S601 the macro base station is located on the user.
- the measurement request indicates that the handover process is initiated, and the relocation requirement message is sent to the core network mobility management unit, where the relocation requirement message carries information such as the target base station identifier.
- Step S602 After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway according to the target base station identification information carried in the relocation requirement message.
- Step S604 The target home base station receives the RUA connection message, and determines according to the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved, and the relocation request acknowledgement message is returned. The relocation request acknowledgement message is encapsulated in the RUA direct transmission message, and the user context identifier is also carried in the RUA direct transmission message to distinguish the correspondence between the message and the user.
- Step S606 The core network mobility management unit triggers the macro base station to initiate a synchronization process of the user to the target home base station by using a relocation command.
- FIG. 7 is a flowchart of a method for a user to switch to a home base station according to Embodiment 4 of the present invention. As shown in FIG. 7, the process includes steps S701 to S708: Step S701, the macro base station determines according to the measurement report reported by the user. The handover process is initiated, and a relocation requirement message is sent to the core network mobility management unit, where the relocation requirement message carries information such as the target base station identifier.
- Step S702 After receiving the relocation requirement message, the core network mobility management unit determines according to the target base station identification information carried in the relocation requirement message, and if it finds that the target base station to be handed over is a home base station, then it is sending The relocation request message of the target home base station gateway carries the permanent identity IMSI of the user.
- Step S703 The user in the target home base station gateway relocation request message permanently identifies the IMSI for retrieval. If the user is found to have not been registered, then a user context is generated for the user and the user context identifier is assigned, and the identifier is passed. The newly defined identity assignment message is sent to the target home base station in the home base station application part (HNB Application Part, HNBAP).
- HNB Application Part HNB Application Part
- Step S704 The target home base station receives the HNBAP identity allocation message, and determines according to the user context identifier in the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved. And reply to the target home base station gateway to assign only the confirmation message.
- Step S705 After receiving the identifier assignment confirmation message, the target home base station gateway encapsulates the relocation request message in the RUA connection message and sends the message to the target home base station.
- the RUA connection message carries the allocated user context identifier to distinguish the message.
- Step S706 The target home base station receives the RUA connection message, and encapsulates the relocation request acknowledgement message into the RUA direct transmission message and sends the message to the target home base station gateway after the handover preparation is completed.
- the RUA direct transmission message carries the allocated user context identifier to distinguish the message.
- Step S707 the target home base station gateway receives the RUA direct transmission message, and moves to the core network.
- the management unit sends a relocation request acknowledgement message to inform the target side that the handover preparation is complete.
- Step S708 The core network mobility management unit triggers the macro base station to initiate a synchronization process of the user to the target home base station by using a relocation command.
- Step S801 the macro base station determines according to the measurement report reported by the user. Initiating a handover procedure, when the macro base station is able to determine, according to the configuration information of the target base station to be handed over, that the target base station to be handed over is a home base station, adding the permanent identity of the user to the relocation requirement message sent to the core network mobility management unit IMSI.
- the relocation requirement message also carries information such as the target base station identifier.
- Step S802 After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway.
- Step S803 the user in the target home base station gateway relocation request message permanently identifies the IMSI for retrieval. If the user is found to have not been registered, then a user context is generated for the user and the user context identifier is assigned, and the identifier is passed. A newly defined identity assignment message at the HNBAP layer is sent to the target home base station.
- Step S804 The target home base station receives the HNBAP identity allocation message, and determines according to the user context identifier in the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved.
- Step S805 After receiving the identifier assignment confirmation message, the target home base station gateway encapsulates the relocation request message in the RUA connection message and sends the message to the target home base station.
- the RUA connection message carries the allocated user context identifier to distinguish the message.
- Step S806 The target home base station receives the RUA connection message, and encapsulates the relocation request acknowledgement message into the RUA direct transmission message and sends the message to the target home base station gateway after the handover preparation is completed.
- the RUA direct transmission message carries the allocated user context identifier to distinguish the message.
- Step S807 The target home base station gateway receives the RUA direct transmission message, and sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S808, the core network mobility management unit triggers the macro base station to initiate the use of the relocation command.
- FIG. 9 is a flowchart of a method for a user to switch to a home base station according to Embodiment 6 of the present invention. As shown in FIG. 9, the flowchart includes steps S901 to S908: Step S901, the macro base station is located on the user.
- the measurement request indicates that the handover process is initiated, and the relocation requirement message is sent to the core network mobility management unit, where the relocation requirement message carries information such as the target base station identifier.
- Step S902 After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway according to the target base station identification information carried in the relocation requirement message.
- Step S903 The target home base station gateway generates, as the temporary user target, the Iu connection identifier in the relocation request message, generates a user context for the user, and allocates the user context label, and allocates the identifier to the newly defined identifier in the HNBAP layer. The message is sent to the target home base station.
- Step S904 The target home base station receives the HNBAP identity allocation message, and determines according to the user context identifier in the message. When the target home base station does not have the context identifier of the user, the user context identifier received by the ⁇ 1 is saved. And reply to the target home base station gateway with only the confirmation message.
- Step S905 After receiving the identifier assignment confirmation message, the target home base station gateway encapsulates the relocation request message in the RUA connection message and sends the message to the target home base station.
- the RUA connection message carries the allocated user context identifier to distinguish the message.
- Step S906 The target home base station receives the RUA connection message, and after the handover preparation is completed, encapsulates the relocation request acknowledgement message into the RUA direct transmission message and sends the message to the target home base station gateway.
- the RUA direct transmission message carries the allocated user context identifier to distinguish the message.
- Step S907 The target home base station gateway receives the RUA direct transmission message, and sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S908 the core network mobility management unit triggers the macro base station to initiate a synchronization process of the user to the target home base station by using a relocation command.
- Embodiments 7 through 12 are embodiments in which a user switches from a source home base station to a target home base station.
- 10 is a flowchart of a method for a user to switch to a home base station according to Embodiment 7 of the present invention. As shown in FIG. 10, the flowchart includes steps S1001 to S1008: Step S1001, the source home base station reports according to the user. The measurement report determines that the handover process is initiated, and sends a RUA direct transmission message to the source home base station gateway, where the RUA direct transmission message is internally "equipped with a RANAP message, and the RANAP message includes a relocation requirement message.
- the source home NodeB gateway receives the RUA direct transfer message, and transmits ⁇ 1 wherein the relocation request message to the core network mobility management unit.
- the core network mobility management unit receives After the relocation request message is received, the target base station identification information carried in the relocation request message is determined. If the target base station to be handed over is found to be the home base station, then the relocation request message sent to the target home base station gateway is carried. The user's permanent identity IMSI.
- the target home base station gateway is only based on relocation. The user in the message permanently identifies the IMSI for retrieval.
- Step S1005 The target home base station receives the RUA connection message, and determines according to the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved, and the relocation request acknowledgement message is returned. The relocation request acknowledgement message is encapsulated in the RUA direct transmission message, and the user context identifier is also carried in the RUA direct transmission message to distinguish the correspondence between the message and the user.
- Step S1006 The target home base station gateway receives the RUA direct transmission message, and sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S1007 The core network mobility management unit sends a relocation command to the source home base station gateway.
- Step S1008 The source home base station gateway encapsulates the received relocation command message in the RUA direct transmission message, and sends the message to the source home base station to trigger the source home base station to initiate a synchronization process of the user to the target home base station.
- FIG. 11 is a flowchart of a method for a user to switch to a home base station according to Embodiment 8 of the present invention; As shown in FIG.
- Step S1101 the source home base station determines to initiate a handover procedure according to the measurement report reported by the user, and when the source home base station can determine, according to the configuration information of the target base station to be handed over,
- the target base station to be switched to is a home base station
- the permanent identity IMSI of the user is added in the relocation requirement message in the RUA direct transmission message sent to the source home base station gateway.
- the relocation requirement message also carries information such as the target base station identifier.
- Step S1102 the source home NodeB gateway receives the RUA direct transfer message, and ⁇ 1 wherein the relocation request message to the core network mobility management unit.
- Step S1103 After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway.
- Step S1104 The target home base station gateway searches for the permanent identifier IMSI of the user in the relocation request message. If the user is found to have not been registered, then a user context is generated for the user and the user context identifier is assigned, together with The location request message is encapsulated in the RUA connection message and sent to the target home base station.
- Step S1105 The target home base station receives the RUA connection message, and determines according to the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved, and the relocation request acknowledgement message is returned.
- the relocation request acknowledgement message is encapsulated in the RUA direct transmission message, and the user context identifier is also carried in the RUA direct transmission message to distinguish the correspondence between the message and the user.
- Step S1106 The target home base station gateway receives the RUA direct transmission message, and sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S1107 The core network mobility management unit sends a relocation command to the source home base station gateway.
- Step S1108 The source home base station gateway encapsulates the received relocation command message in the RUA direct transmission message, and sends the message to the source home base station to trigger the source home base station to initiate a synchronization process of the user to the target home base station.
- Step S1201 The source home base station determines, according to the measurement report reported by the user, initiates a handover procedure, and sends a RUA direct transmission message to the source home base station gateway, where the RUA direct transmission message is internally equipped with a RANAP message, and the RANAP message includes relocation.
- the relocation request message carries information such as the target base station identifier, etc.
- Step S1202 The source home base station gateway receives the RUA direct transmission message, and sends the relocation requirement message to the core network mobility management unit.
- Step S1203 After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway according to the target base station identification information carried in the relocation requirement message.
- Step S1204 The target home base station gateway according to the relocation request message
- the Iu connection identifier is used as the temporary user identifier, generates a user context for the user, and allocates the user context identifier, and is encapsulated in the RUA connection message together with the relocation request message to be sent to the target home base station.
- Step S1205 The target home base station receives the RUA connection.
- Step S1206 The target home base station gateway receives the RUA direct transmission message, and sends the relocation to the core network mobility management unit.
- the request confirmation message informs the target side that the handover preparation is completed.
- Step S1207 The core network mobility management unit sends a relocation command to the source home base station gateway.
- Step S1208 The source home base station gateway encapsulates the received relocation command message in the RUA direct transmission message. And sending the message to the source home base station to trigger the source home base station to initiate a synchronization process of the user to the target home base station.
- FIG. 13 is a flowchart of a method for a user to switch to a home base station according to Embodiment 10 of the present invention. As shown in FIG. 13, the flowchart includes steps S1301 through S131. 0: Step S1301: The source home base station determines, according to the measurement report reported by the user, initiates a handover procedure, and sends a RUA direct transmission message to the source home base station gateway, where the RUA direct transmission message is internally mounted
- a RANAP message, and the RANAP message contains a relocation requirement message.
- relocation needs The message carries information such as the target base station identifier.
- the source home NodeB gateway receives the RUA direct transfer message, and ⁇ 1 wherein the relocation request message to the core network mobility management unit.
- the core network mobility management unit After receiving the relocation requirement message, the core network mobility management unit determines according to the target base station identification information carried in the relocation requirement message, and if it finds that the target base station to be handed over is a home base station, then it is sending The relocation request message of the home base station gateway carries the permanent identity IMSI of the user.
- Step S1304 The target home base station gateway searches for the permanent identifier IMSI in the relocation request message, and if the user is found to have not been registered, generates a user context for the user and assigns a user context identifier, and The identifier is sent to the target home base station through a newly defined identity assignment message of the HNBAP layer.
- Step S1305 The target home base station receives the HNBAP identity allocation message, and determines according to the user context identifier in the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved. And reply to the target home base station gateway to assign only the confirmation message.
- Step S1306 After receiving the identifier assignment confirmation message, the target home base station gateway encapsulates the relocation request message in the RUA connection message and sends the message to the target home base station.
- the RUA connection message carries the allocated user context identifier to distinguish the message.
- Step S1307 The target home base station receives the RUA connection message, and encapsulates the relocation request acknowledgement message into the RUA direct transmission message and sends the message to the target home base station gateway after the handover preparation is completed.
- the RUA direct transmission message carries the allocated user context identifier to distinguish the message.
- Step S1308 The target home base station gateway sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S1309 The core network mobility management unit sends a relocation command to the source home base station gateway.
- Step S1310 The source home base station gateway encapsulates the received relocation command message in the RUA direct transmission message, and sends the message to the source home base station to trigger the source home base station to initiate a synchronization process of the user to the target home base station.
- FIG. 14 is a flowchart of a method for a user to switch to a home base station according to Embodiment 11 of the present invention. As shown in FIG. 14, the flowchart includes steps S1401 to S1410: Step S1401, the source home base station reports according to the user. The measurement report determines the initiation handover process.
- the relocation requirement in the RUA direct transmission message sent to the source home base station gateway Add the user's permanent identity IMSI to the message.
- the relocation requirement message also carries information such as the target base station identifier.
- the source home NodeB gateway receives the RUA direct transfer message, and ⁇ 1 wherein the relocation request message to the core network mobility management unit.
- the core network mobility management unit After receiving the relocation requirement message, the core network mobility management unit sends a relocation request message to the target home base station gateway.
- the target home base station gateway searches for the permanent identifier IMSI of the user in the relocation request message.
- Step S 1405 The target home base station receives the HNBAP identity allocation message, and determines according to the user context identifier in the message. When the target home base station does not have the context identifier of the user, the received user context identifier is saved. And reply to the target home base station gateway with only the confirmation message.
- Step S1406 After receiving the identifier assignment confirmation message, the target home base station gateway encapsulates the relocation request message in the RUA connection message and sends the message to the target home base station.
- the RUA connection message carries the allocated user context identifier to distinguish the message.
- Step S1407 The target home base station receives the RUA connection message, and after the handover preparation is completed, encapsulates the relocation request acknowledgement message into the RUA direct transmission message and sends the message to the target home base station gateway.
- the RUA direct transmission message carries the allocated user context identifier to distinguish the message.
- Step S1408 The target home base station gateway sends a relocation request acknowledgement message to the core network mobility management unit to notify the target side that the handover preparation is completed.
- Step S1409 The core network mobility management unit sends a relocation command to the source home base station gateway.
- Step S1410 The source home base station gateway encapsulates the received relocation command message in the RUA direct transmission message, and sends the message to the source home base station to trigger the source home base station to initiate a synchronization process of the user to the target home base station.
- FIG. 15 is a flowchart of a method for a user to switch to a home base station according to Embodiment 12 of the present invention. As shown in FIG. 15, the flowchart includes steps S1501 to S1510: Step S1501, the source home base station reports according to the user.
- the measurement report determines that the handover process is initiated, and sends a RUA direct transmission message to the source home base station gateway, where the RUA direct transmission message is internally "equipped with a RANAP message, and the RANAP message includes a relocation requirement message.
- the source home NodeB gateway receives the RUA direct transfer message, and transmits ⁇ 1 wherein the relocation request message to the core network mobility management unit.
- the core network mobility management unit receives weight After the location request message is sent, the relocation request message is sent to the target home base station gateway according to the target base station identification information carried in the relocation request message.
- Step S1504 The target home base station gateway uses the Iu connection identifier in the relocation request message as the temporary user.
- Step S1505 The target home base station receives the HNBAP identifier allocation message, and determines according to the user context identifier in the message, when the target home base station does not after that user context identifier, it identifies the received user context ⁇ 1 saved, return to the target home NodeB gateway subscript assigned only acknowledgment message step S1506, the target home NodeB gateway identifier allocation acknowledgment message is received, the relocation The request message is encapsulated in the RUA connection message and sent to the target home base station.
- the RUA connection message carries the allocated user context identifier for distinguishing the message.
- Step S1507 The target home base station receives the RUA connection message, and after the handover preparation is completed, The relocation request acknowledgement message is encapsulated into the RUA direct transmission message and sent to the target home base station gateway, where the RUA direct transmission message carries the allocated user context identifier for distinguishing the message.
- the delivery relocation request confirmation message informs the target side that the handover preparation is completed.
- Step S1509 The core network mobility management unit sends a relocation command to the source home base station gateway.
- Step S1510 The source home base station gateway encapsulates the received relocation command message in the RUA direct transmission message, and sends the message to the source home base station to trigger the source home base station to initiate a synchronization process of the user to the target home base station.
- the foregoing method described in the embodiment of the present invention avoids that when the user performs cell handover, when the target base station to be handed over is a home base station, the home base station gateway and the home base station gateway are caused by the lack of the user context identifier of the home base station gateway. The signaling message cannot be matched, and the handover is unsuccessful.
- FIG. 16 is a structural block diagram of an apparatus for a user to switch to a home base station according to an embodiment of the present invention. As shown in FIG.
- the apparatus includes: a relocation request message receiving unit 1610, a context identifier assigning unit 1620, and a request confirmation message. Transmitting unit 1630.
- the relocation request message receiving unit 1610 is configured to: when the user initiates the handover from the source base station to the target home base station, receive a relocation request message sent by the core network mobility management unit to which the source base station belongs; the context identifier allocation unit 1620, The relocation request message received by the relocation request message receiving unit 1610 generates a user context for the user, and assigns a user context identifier to the user context, and sends the user context identifier and the relocation request message to the target home base station for processing; request confirmation
- the message sending unit 1630 is configured to send the relocation request acknowledgement message to the core network mobility management unit when receiving the relocation request acknowledgement message replied by the target home base station.
- the context identifier assigning unit 1620 further includes: an identifier information determining subunit 1621, a first context identifier assigning subunit 1622, a second context identifier assigning subunit 1623, and a message sending subunit 1624.
- the identification information determining sub-unit 1621 is configured to send a unit according to the relocation request message.
- the relocation request message sent by the 1610 is determined.
- the first context identifier allocation subunit 1622 is triggered.
- the second trigger is triggered.
- a context identifier assignment sub-unit 1623; a first context identifier assignment sub-unit 1622 for using a user in the relocation request message The permanent identifier is searched. If the user is not registered, a user context is generated for the user, and the user context identifier is assigned to the user context.
- the second context identifier assignment sub-unit 1623 is configured to use the Iu connection identifier in the relocation request message.
- the user context is generated only for the user, and the user context is assigned to the user context.
- the message sending subunit 1624 is configured to send the user context identifier and the relocation request message to the target home base station for processing.
- the device provided by the present invention further includes: a synchronization process establishing unit 1640, configured to send a relocation command by the core network mobility management unit to trigger a synchronization process of the source base station to initiate a user to the target home base station.
- a synchronization process establishing unit 1640 configured to send a relocation command by the core network mobility management unit to trigger a synchronization process of the source base station to initiate a user to the target home base station.
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Description
一种用户切换到家用基站的方法和装置 技术领域 本发明涉及通信领域， 具体而言， 涉及一种用户切换到家用基站的方法 和装置。 背景技术 家用基站是一种小型、低功率的基站，部署在家庭及办公室等室内场所， 主要作用是为了给用户提供更高的业务速率并降低使用高速率服务所需要的 费用， 同时弥补已有分布式蜂窝无线通信系统覆盖的不足。 家用基站的优点 是实惠、 便捷、 低功率输出、 即插即用等。 家用基站是通过家用基站网关这个逻辑网元接入到核心网络的， 如图 1 所示， 这个家用基站网关主要执行的功能为： 验证家用基站的安全性， 处理 家用基站的注册， 对家用基站进行运行维护管理， 才艮据运营商要求配置和控 制家用基站， 负责交换核心网和家用基站的数据。 家用基站的用户在使用家 用基站之前需要在家用基站网关中进行注册， 通过用户注册流程使网关保存 用户的上下文信息， 以便家用基站网关对用户的信令消息进行管理操作。 家 用基站用户的注册过程如图 2所示 , 具体包括以下步骤： 步骤 S201 , 用户在进行通信前需要建立无线资源控制 （ Radio Resource Control , 筒称为 RRC ) 连接作为信令消息或者业务数据的承载。 步骤 S202, 用户通过初始化非接入层消息 （ Non Access Stratum, 筒称 为 NAS )触发注册过程 , 消息类型可以为附着消息、 位置更新消息、 业务请 求消息等。 步骤 S203 , 家用基站发现没有该用户的上下文标识信息， 向家用基站 网关发送注册请求消息， 将用户信息注册到家用基站网关上， 消息内容包括 注册的类型、 用户的国际移动用户识别码 ( International Mobile Subscriber Identify , 筒称为 IMSI ) 标识以及家用基站标识等信息。 步骤 S204, 家用基站网关对接入这个家用基站的用户进行能力方面的 检验， 如果允许该用户使用家用基站提供的资源， 那么就接受注册， 建立用
户上下文并在向家用基站回复的注册响应消息中携带用户上下文标识信息。 步骤 S205 , 家用基站网关对从用户发上来的非接入层消息不做任何处 理， 透传转发到核心网。 步骤 S206, 核心网根据发送上来的 NAS消息， 进行开启鉴权以及安全 流程， 对用户进行-险证。 步骤 S207, 如果鉴权以及安全检验通过， 并且核心网侧根据用户发上 来的非接入层消息进行相应的具体操作后就给用户回复非接入层响应消息 , 将核心网侧的信息带给用户， 这条消息在用户和核心网之间透明传输， 家用 基站和家用基站网关不丈处理。 通过上文描述，可见现有技术中必须通过用户注册过程才能够使家用基 站以及家用基站网关获得用户上下文标识， 家用基站以及家用基站网关用这 个标识区分在无线接入网络应用部分用户适配（ RANAP User Adaptation , 筒 称为 RUA ) 协议层上传送信令是属于哪一个用户的无线接入网络应用部分 ( Radio Access Network Application Part,筒称为 RANAP )消息 ,提供 RANAP 与流控制传输协议（Stream Control Transmission Protocol, 筒称为 SCTP ) 间 的适配。 但是当用户进行小区切换， 且目标小区是一个家用基站的时候， 由 于用户根本就没有在这个小区发起过任何初始化 NAS 消息， 那么目标家用 基站以及目标家用基站网关中就不会有用户的上下文标识信息。 这个时候的 信令消息无法进行对应 , 切换过程不能够正常完成。 针对相关技术中当用户进行小区切换时 , 若目标小区为家用基站时 , 切 换过程不能正常完成的问题， 目前尚未提出有效的解决方案。 发明内容 本发明提供一种用户切换到家用基站的方法和装置，用以解决现有技术 中当用户进行小区切换时， 若目标小区为家用基站， 则切换过程不能正常完 成的问题。 为了实现上述目的， 才艮据本发明的一个方面， 提供了一种用户切换到家 用基站的方法。 才艮据本发明的用户切换到家用基站方法包括：
A、 用户从源基站向目标家用基站发起切换时， 目标家用基站网关接收 核心网移动性管理单元发出的重定位请求消息；
B、 目标家用基站网关根据所述重定位请求消息为所述用户生成一个用 户上下文， 并为所述用户上下文分配用户上下文标识， 夺所述用户上下文标 识与所述重定位请求消息发送到目标家用基站；
C、 当目标家用基站网关接收到所述目标家用基站回复的重定位请求确 认消息时， 将该重定位请求确认消息发送到所述核心网移动性管理单元。 步骤 A具体包括： 源基站根据所述用户上报的测量报告发起切换； 源基站为宏基站时，源基站直接向所述核心网移动性管理单元发送重定 位需求消息， 源基站为家用基站时， 源基站通过家用基站网关向所述核心网 移动性管理单元发送重定位需求消息； 核心网移动性管理单元 f艮据重定位需求消息向目标家用基站网关发送 重定位请求消息， 该消息中携带有所述核心网移动性管理单元添加的用户永 久标识。 步骤 A还包括： 源基站根据用户上报的测量报告发起切换； 源基站为宏基站时，源基站直接向所述核心网移动性管理单元发送重定 位需求消息， 源基站为家用基站时， 源基站通过家用基站网关向所述核心网 移动性管理单元发送重定位需求消息， 重定位需求消息中携带有源基站添加 的用户永久标 、； 核心网移动性管理单元按照接收到的重定位需求消息向所述目标家用 基站网关发送重定位请求消息。 在步骤 A的两种实现方式下 , 步骤 B中才艮据所述重定位请求消息为所 述用户生成一个用户上下文，并为用户上下文分配用户上下文标识具体包括： 当重定位请求消息中携带有用户永久标识时 ,才艮据重定位请求消息中的 用户永久标识进行检索， 若用户未注册， 则为用户生成一个用户上下文， 并
为用户上下文分配用户上下文标只。 上述步骤 A进一步包括： 源基站根据用户上报的测量报告发起切换； 源基站为宏基站时，源基站直接向核心网移动性管理单元发送重定位需 求消息， 源基站为家用基站时， 源基站通过家用基站网关向核心网移动性管 理单元发送重定位需求消息； 核心网移动性管理单元按照接收到的重定位需求消息向目标家用基站 网关发送重定位请求消息。 在基于 A步骤这一实现方式下， 步骤 B中根据重定位请求消息为用户 生成一个用户上下文， 并为用户上下文分配用户上下文标识具体包括： 当重定位请求消息中未携带用户永久标识时 ,才艮据重定位请求消息中的 Iu连接标只作为临时用户标只 , 为该用户生成一个用户上下文， 并为用户上 下文分配用户上下文标只。 基于上述的技术特征， 步骤 B 中将用户上下文标识与重定位请求消息 发送到目标家用基站具体包括： 目标家用基站网关将用户上下文标识信息和重定位请求消息封装在无 线接入网络应用部分用户适配连接消息中发送到目标家用基站； 或者， 目标家用基站网关将用户上下文标识信息通过在家用基站应用协议层 新定义的标识分配信息发送到目标家用基站， 并在接收到目标家用基站回复 的标识分配确认消息后将重定位请求消息封装在无线接入网络应用部分用户 适配连接消息中发送到目标家用基站。 本发明提供的方法， 在步骤 C之后还包括以下步骤： 核心网移动性管理单元发送重定位命令触发源基站发起用户到目标家 用基站的同步过程。 为了实现上述目的 , 才艮据本发明的另一方面， 提供了一种用户切换到家 用基站的装置。
根据本发明的用户切换到家用基站的装置包括： 重定位请求消息接收单 元， 用于当用户从源基站向目标家用基站发起切换时 , 接收源基站归属的核 心网移动性管理单元发出的重定位请求消息； 上下文标识分配单元 , 用于才艮 据重定位请求消息接收单元接收的重定位请求消息为用户生成一个用户上下 文， 并为用户上下文分配用户上下文标识， 将用户上下文标识与重定位请求 消息发送到目标家用基站进行处理； 请求确认消息发送单元， 用于当接收到 目标家用基站回复的重定位请求确认消息时， 将该重定位请求确认消息发送 到核心网移动性管理单元。 其中， 上下文标识分配单元进一步包括： 标识信息判断子单元、 第一上 下文标识分配子单元、 第二上下文标识分配子单元和消息发送子单元， 标识信息判断子单元，用于才艮据重定位请求消息发送单元发送的重定位 请求消息进行判断， 当重定位请求消息中携带有用户永久标识时， 触发第一 上下文标识分配子单元； 当重定位请求消息中未携带有用户永久标识时， 触 发第二上下文标识分配子单元； 第一上下文标识分配子单元，用于才艮据重定位请求消息中的用户永久标 识进行检索， 若用户未注册， 则为用户生成一个用户上下文， 并为用户上下 文分配用户上下文标只； 第二上下文标识分配子单元， 用于根据重定位请求消息中的 Iu连接标 只作为临时用户标只， 为该用户生成一个用户上下文， 并为用户上下文分配 用户上下文标只； 消息发送子单元，用于将用户上下文标识与重定位请求消息发送到目标 家用基站进行处理。 本发明提供的装置还包括： 同步过程建立单元， 用于通过核心网移动性 管理单元发送重定位命令触发源基站发起用户到目标家用基站的同步过程。 通过本发明提供的方法， 成功解决了用户进行小区切换时， 若待切换到 的目标基站是一个家用基站， 由于家用基站网关缺少用户上下文标识而造成 家用基站和家用基站网关之间的信令消息无法对应， 切换不成功的问题， 使 用户在小区间切换时更流畅。
附图说明 为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实 施例或现有技术描述中所需要使用的附图进行筒单地介绍， 显而易见地， 下 面描述中的附图仅仅是本发明的一些实施例 ,对于本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以才艮据这些附图获得其它的附图。 图 1为相关技术中家用基站网络连接结构框图； 图 2为相关技术中家用基站用户的注册过程流程图； 图 3为本发明实施例提供的一种用户切换到家用基站的方法的流程图； 图 4 为本发明实施例一提供的一种用户切换到家用基站的方法的流程 图； 图 5 为本发明实施例二提供的一种用户切换到家用基站的方法的流程 图； 图 6 为本发明实施例三提供的一种用户切换到家用基站的方法的流程 图； 图 7 为本发明实施例四提供的一种用户切换到家用基站的方法的流程 图； 图 8 为本发明实施例五提供的一种用户切换到家用基站的方法的流程 图； 图 9 为本发明实施例六提供的一种用户切换到家用基站的方法的流程 图； 图 10为本发明实施例七提供的一种用户切换到家用基站的方法的流程 图； 图 11为本发明实施例八提供的一种用户切换到家用基站的方法的流程 图； 图 12为本发明实施例九提供的一种用户切换到家用基站的方法的流程 图；
图 13为本发明实施例十提供的一种用户切换到家用基站的方法的流程 图； 图 14为本发明实施例十一提供的一种用户切换到家用基站的方法的流 程图； 图 15为本发明实施例十二提供的一种用户切换到家用基站的方法的流 程图； 图 16为本发明实施例提供的一种用户切换到家用基站的装置的结构框 图。 具体实施方式 下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行 清楚、 完整地描述， 显然， 所描述的实施例仅仅是本发明一部分实施例， 而 不是全部的实施例。 基于本发明中的实施例 , 本领域普通技术人员在没有做 出创造性劳动前提下所获得的所有其它实施例， 都属于本发明保护的范围。 本发明提供一种用户切换到家用基站的方法和装置，用以解决现有技术 中当用户进行小区切换时， 若目标小区为家用基站时， 不能进行正常切换的 问题。 图 3 为本发明实施例提供的一种用户切换到家用基站的方法的流程图 如图 3所示， 该流程图包括步骤 S301至步骤 S303: 步骤 S301 , 用户从源基站向目标家用基站发起切换时， 目标家用基站 网关接收核心网移动性管理单元发出的重定位请求消息。 该步骤具体包括：
( 1 ) 源基站根据用户上报的测量报告发起切换； 源基站为宏基站时， 源基站直接向核心网移动性管理单元发送重定位需求消息 , 源基站为家用基 站时， 源基站通过家用基站网关向核心网移动性管理单元发送重定位需求消 息； 核心网移动性管理单元才艮据重定位需求消息向目标家用基站网关发送重 定位请求消息，该消息中携带有核心网移动性管理单元添加的用户永久标识。 或者，
( 2 ) 源基站根据用户上报的测量报告发起切换; 源基站为宏基站时 ,源基站直接向核心网移动性管理单元发送重定位需 求消息， 源基站为家用基站时， 源基站通过家用基站网关向核心网移动性管 理单元发送重定位需求消息 , 重定位需求消息中携带有源基站添加的用户永 久标识 核心网移动性管理单元按照接收到的重定位需求消息向目标家用基站 网关发送重定位请求消息。 或者，
( 3 ) 源基站根据用户上报的测量报告发起切换； 源基站为宏基站时，源基站直接向核心网移动性管理单元发送重定位需 求消息， 源基站为家用基站时， 源基站通过家用基站网关向核心网移动性管 理单元发送重定位需求消息； 核心网移动性管理单元按照接收到的重定位需求消息向目标家用基站 网关发送重定位请求消息。 步骤 S302, 目标家用基站网关才艮据重定位请求消息为用户生成一个用 户上下文， 并为用户上下文分配用户上下文标识， 将用户上下文标识与重定 位请求消息发送到目标家用基站。 当步骤 S301采用第 （ 1 )、 （2 )种实施方式时， 该步骤中根据重定位请 求消息为用户生成一个用户上下文， 并为用户上下文分配用户上下文标只具 体包括： 当重定位请求消息中携带有用户永久标识时，才艮据重定位请求消息中的 用户永久标识进行检索， 若用户未注册， 则为用户生成一个用户上下文， 并 为用户上下文分配用户上下文标只。 当步骤 S301采用第（ 3 )种实施方式时， 该步骤中才艮据重定位请求消息 为用户生成一个用户上下文，并为用户上下文分配用户上下文标只具体包括： 当重定位请求消息中未携带用户永久标识时 ,才艮据重定位请求消息中的
Iu连接标只作为临时用户标只 , 为该用户生成一个用户上下文， 并为用户上 下文分配用户上下文标只。
具体的，该步骤中将用户上下文标识与重定位请求消息发送到目标家用 基站还包括： 目标家用基站网关将用户上下文标识信息和重定位请求消息封装在无 线接入网络应用部分用户适配连接消息中发送到目标家用基站； 或者， 目标家用基站网关^1用户上下文标识信息通过在家用基站应用 ¼、议层 新定义的标识分配信息发送到目标家用基站， 并在接收到目标家用基站回复 的标识分配确认消息后将重定位请求消息封装在无线接入网络应用部分用户 适配连接消息中发送到目标家用基站。 步骤 S303 , 当目标家用基站网关接收到目标家用基站回复的重定位请 求确认消息时 , 将该重定位请求确认消息发送到核心网移动性管理单元。 在该步骤之后还包括： 核心网移动性管理单元发送重定位命令触发源基站发起用户到目标家 用基站的同步过程。 通过本发明提供的方法， 避免了当用户进行小区切换时， 若待切换到的 目标基站是一个家用基站， 由于家用基站网关缺少用户上下文标识而造成家 用基站和家用基站网关之间的信令消息无法对应 , 切换不成功的问题。 下面通过几个具体实施例来详细阐述本发明提供的用户切换到家用基 站的方法的具体实现过程。 具体为： 实施例一至六是用户从宏基站切换到目标家用基站的实施方式。 图 4 为本发明实施例一提供的一种用户切换到家用基站的方法的流程 图， 如图 4所示， 该流程图包括步骤 S401至步骤 S406: 步骤 S401 , 宏基站 居用户上 4艮的测量 4艮告判断发起切换流程， 并向 核心网移动性管理单元发送重定位需求消息， 该重定位需求消息中携带目标 基站标识等信息。 步骤 S402, 核心网移动性管理单元接收到重定位需求消息后， 根据该 重定位需求消息中携带的目标基站标识信息进行判断， 如果发现待切换到的 目标基站是家用基站， 那么就在发向目标家用基站网关的重定位请求消息中
携带用户的永久标识 IMSI。 需要注意的是， 本实施例及下述的各个实施例中的宏基站（或源家用基 站） 和目标家用基站是由同一个核心网移动性管理单元进行管理的。 当上述 的宏基站和目标家用基站由不同的核心网移动性管理单元进行管理时， 源核 心网移动性管理单元通过转发重定位请求消息将用户移动性管理上下文、 承 载上下文、 目标基站标识等完成切换所需的信息发送到目标核心网移动性管 理单元， 目标核心网移动性管理单元才艮据本步骤的方法向目标家用基站网关 发送重定位请求消息。 步骤 S403 , 目标家用基站网关 居重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 连同重定位请求消息一同封装在 RUA连 接消息中发送到目标家用基站。 步骤 S404, 目标家用基站接收 RUA连接消息，并根据该消息进行判断， 当目标家用基站中没有该用户的上下文标识时， 将接收到的用户上下文标识 保存起来， 回复重定位请求确认消息。 其中， 回复的重定位请求确认消息封 装在 RUA直传消息中， 且在该 RUA直传消息中同样携带用户上下文标识用 以区分该条消息与用户的对应关系。 步骤 S405 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动性 管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S406, 核心网移动性管理单元通过重定位命令触发宏基站发起用 户到目标家用基站的同步过程。 图 5 为本发明实施例二提供的一种用户切换到家用基站的方法的流程 图， 如图 5所示， 该流程图包括步骤 S501至步骤 S506: 步骤 S501 , 宏基站根据用户上报的测量报告判断发起切换流程， 当宏 基站能够根据待切换的目标基站的配置信息判断待切换到的目标基站是一个 家用基站时， 在发向核心网移动性管理单元的重定位需求消息中添加用户的 永久标识 IMSI。 其中， 重定位需求消息中还携带有目标基站标识等信息。 步骤 S502, 核心网移动性管理单元接收到重定位需求消息后， 向目标 家用基站网关发送重定位请求消息。
步骤 S503 , 目标家用基站网关 居重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 连同重定位请求消息一同封装在 RUA连 接消息中发送到目标家用基站。 步骤 S504, 目标家用基站接收 RUA连接消息，并根据该消息进行判断， 当目标家用基站中没有该用户的上下文标识时， 将接收到的用户上下文标识 保存起来， 回复重定位请求确认消息。 其中， 回复的重定位请求确认消息封 装在 RUA直传消息中， 且在该 RUA直传消息中同样携带用户上下文标识用 以区分该条消息与用户的对应关系。 步骤 S505 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动性 管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S506, 核心网移动性管理单元通过重定位命令触发宏基站发起用 户到目标家用基站的同步过程。 图 6 为本发明实施例三提供的一种用户切换到家用基站的方法的流程 图， 如图 6所示， 该流程图包括步骤 S601至步骤 S606: 步骤 S601 , 宏基站 居用户上 4艮的测量 4艮告判断发起切换流程， 并向 核心网移动性管理单元发送重定位需求消息， 该重定位需求消息中携带目标 基站标识等信息。 步骤 S602, 核心网移动性管理单元接收到重定位需求消息后， 根据重 定位需求消息中携带的目标基站标识信息向目标家用基站网关发送重定位请 求消息。 步骤 S603 , 目标家用基站网关根据重定位请求消息中的 Iu连接标识作 为临时用户标只， 为这个用户生成一个用户上下文并分配用户上下文标只， 连同重定位请求消息一同封装在 RUA连接消息中发送到目标家用基站。 步骤 S604, 目标家用基站接收 RUA连接消息，并根据该消息进行判断， 当目标家用基站中没有该用户的上下文标识时， 将接收到的用户上下文标识 保存起来， 回复重定位请求确认消息。 其中， 回复的重定位请求确认消息封 装在 RUA直传消息中， 且在该 RUA直传消息中同样携带用户上下文标识用 以区分该条消息与用户的对应关系。
步骤 S605 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动性 管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S606, 核心网移动性管理单元通过重定位命令触发宏基站发起用 户到目标家用基站的同步过程。 图 7 为本发明实施例四提供的一种用户切换到家用基站的方法的流程 图， 如图 7所示， 该流程包括步骤 S701至步骤 S708: 步骤 S701 , 宏基站根据用户上报的测量报告判断发起切换流程， 并向 核心网移动性管理单元发送重定位需求消息， 该重定位需求消息中携带目标 基站标识等信息。 步骤 S702, 核心网移动性管理单元接收到重定位需求消息后， 根据该 重定位需求消息中携带的目标基站标识信息进行判断， 如果发现待切换到的 目标基站是家用基站， 那么就在发向目标家用基站网关的重定位请求消息中 携带用户的永久标识 IMSI。 步骤 S703 , 目标家用基站网关 居重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 并将该标识通过在家用基站应用部分 ( HNB Application Part, 筒称为 HNBAP ) 新定义的标识分配消息发送到目 标家用基站。 步骤 S704 , 目标家用基站接收 HNBAP标识分配消息 , 并才艮据该消息 中的用户上下文标识进行判断， 当目标家用基站中没有该用户的上下文标识 时， 就将接收到的用户上下文标识保存起来， 并向目标家用基站网关回复标 只分配确认消息。 步骤 S705 , 目标家用基站网关接收到标识分配确认消息后， 将重定位 请求消息封装在 RUA连接消息中发送到目标家用基站。 其中， RUA连接消 息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S706, 目标家用基站接收 RUA连接消息， 并在切换准备完成后将 重定位请求确认消息封装到 RUA 直传消息中发送到目标家用基站网关。 其 中， RUA直传消息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S707 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动性
管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S708 , 核心网移动性管理单元通过重定位命令触发宏基站发起用 户到目标家用基站的同步过程。 图 8 为本发明实施例五提供的一种用户切换到家用基站的方法的流程 图， 如图 8所示， 该流程包括步骤 S801至步骤 S808: 步骤 S801 , 宏基站根据用户上报的测量报告判断发起切换流程， 当宏 基站能够根据待切换的目标基站的配置信息判断待切换到的目标基站是一个 家用基站时， 在发向核心网移动性管理单元的重定位需求消息中添加用户的 永久标识 IMSI。 其中， 重定位需求消息中还携带有目标基站标识等信息。 步骤 S802, 核心网移动性管理单元接收到重定位需求消息后， 向目标 家用基站网关发送重定位请求消息。 步骤 S803 , 目标家用基站网关 居重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 并将该标识通过在 HNBAP层新定义的标 识分配消息发送到目标家用基站。 步骤 S804 , 目标家用基站接收 HNBAP标识分配消息 , 并才艮据该消息 中的用户上下文标识进行判断， 当目标家用基站中没有该用户的上下文标识 时， 就将接收到的用户上下文标识保存起来， 并向目标家用基站网关回复标 只分配确认消息。 步骤 S805 , 目标家用基站网关接收到标识分配确认消息后， 将重定位 请求消息封装在 RUA连接消息中发送到目标家用基站。 其中， RUA连接消 息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S806, 目标家用基站接收 RUA连接消息， 并在切换准备完成后将 重定位请求确认消息封装到 RUA 直传消息中发送到目标家用基站网关。 其 中， RUA直传消息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S807, 目标家用基站网关接收 RUA直传消息， 并向核心网移动性 管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S808 , 核心网移动性管理单元通过重定位命令触发宏基站发起用
户到目标家用基站的同步过程。 图 9 为本发明实施例六提供的一种用户切换到家用基站的方法的流程 图， 如图 9所示， 该流程图包括步骤 S901至步骤 S908: 步骤 S901 , 宏基站 居用户上 4艮的测量 4艮告判断发起切换流程， 并向 核心网移动性管理单元发送重定位需求消息， 该重定位需求消息中携带目标 基站标识等信息。 步骤 S902, 核心网移动性管理单元接收到重定位需求消息后， 根据重 定位需求消息中携带的目标基站标识信息向目标家用基站网关发送重定位请 求消息。 步骤 S903 , 目标家用基站网关根据重定位请求消息中的 Iu连接标识作 为临时用户标只， 为这个用户生成一个用户上下文并分配用户上下文标只， 并将该标识通过在 HNBAP层新定义的标识分配消息发送到目标家用基站。 步骤 S904 , 目标家用基站接收 HNBAP标识分配消息 , 并才艮据该消息 中的用户上下文标识进行判断， 当目标家用基站中没有该用户的上下文标识 时， 就^1接收到的用户上下文标识保存起来， 并向目标家用基站网关回复标 只分配确认消息。 步骤 S905 , 目标家用基站网关接收到标识分配确认消息后， 将重定位 请求消息封装在 RUA连接消息中发送到目标家用基站。 其中， RUA连接消 息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S906, 目标家用基站接收 RUA连接消息， 并在切换准备完成后， 将重定位请求确认消息封装到 RUA直传消息中发送到目标家用基站网关。 其中 , RUA直传消息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S907 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动性 管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S908 , 核心网移动性管理单元通过重定位命令触发宏基站发起用 户到目标家用基站的同步过程。 实施例七至十二是用户从源家用基站切换到目标家用基站的实施方式。
图 10为本发明实施例七提供的一种用户切换到家用基站的方法的流程 图， 如图 10所示， 该流程图包括步骤 S1001至步骤 S1008: 步骤 S 1001 , 源家用基站根据用户上报的测量报告判断发起切换流程 , 并向源家用基站网关发送 RUA 直传消息， 该 RUA 直传消息内部^ "装有 RANAP 消息， 且该 RANAP 消息中包含重定位需求消息。 其中， 重定位需 求消息中携带目标基站标识等信息。 步骤 S 1002 , 源家用基站网关接收 RUA直传消息， 并^1其中的重定位 需求消息发送到核心网移动性管理单元。 步骤 S1003 , 核心网移动性管理单元接收到重定位需求消息后， 根据该 重定位需求消息中携带的目标基站标识信息进行判断， 如果发现待切换到的 目标基站是家用基站， 那么就在发向目标家用基站网关的重定位请求消息中 携带用户的永久标识 IMSI。 步骤 S 1004 , 目标家用基站网关才艮据重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 连同重定位请求消息一同^ "装在 RUA连 接消息中发送到目标家用基站。 步骤 S1005 , 目标家用基站接收 RUA连接消息， 并根据该消息进行判 断， 当目标家用基站中没有该用户的上下文标识时， 将接收到的用户上下文 标识保存起来， 回复重定位请求确认消息。 其中， 回复的重定位请求确认消 息封装在 RUA直传消息中， 且在该 RUA直传消息中同样携带用户上下文标 识用以区分该条消息与用户的对应关系。 步骤 S1006 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动 性管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S1007 , 核心网移动性管理单元向源家用基站网关发送重定位命 令。 步骤 S1008 , 源家用基站网关将接收到的重定位命令消息封装在 RUA 直传消息中 , 并将该消息发送到源家用基站 , 以触发源家用基站发起用户到 目标家用基站的同步过程。 图 11为本发明实施例八提供的一种用户切换到家用基站的方法的流程
图， 如图 11所示， 该流程图包括步骤 S1101至 S1108: 步骤 S1101 , 源家用基站根据用户上报的测量报告判断发起切换流程， 当源家用基站能够根据待切换的目标基站的配置信息判断待切换到的目标基 站是一个家用基站时， 在发向源家用基站网关的 RUA 直传消息中的重定位 需求消息中添加用户的永久标识 IMSI。 其中， 重定位需求消息中还携带有目 标基站标识等信息。 步骤 S1102 , 源家用基站网关接收 RUA直传消息， 并^1其中的重定位 需求消息发送到核心网移动性管理单元。 步骤 S1103 , 核心网移动性管理单元接收到重定位需求消息后， 向目标 家用基站网关发送重定位请求消息。 步骤 S 1104 , 目标家用基站网关才艮据重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 连同重定位请求消息一同封装在 RUA连 接消息中发送到目标家用基站。 步骤 S 1105 , 目标家用基站接收 RUA连接消息， 并根据该消息进行判 断， 当目标家用基站中没有该用户的上下文标识时， 将接收到的用户上下文 标识保存起来， 回复重定位请求确认消息。 其中， 回复的重定位请求确认消 息封装在 RUA直传消息中， 且在该 RUA直传消息中同样携带用户上下文标 识用以区分该条消息与用户的对应关系。 步骤 S1106 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动 性管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S1107 , 核心网移动性管理单元向源家用基站网关发送重定位命 令。 步骤 S1108 , 源家用基站网关将接收到的重定位命令消息封装在 RUA 直传消息中， 并将该消息发送到源家用基站， 以触发源家用基站发起用户到 目标家用基站的同步过程。 图 12为本发明实施例九提供的一种用户切换到家用基站的方法的流程 图， 如图 12所示， 该流程图包括步骤 S1201至步骤 S1208:
步骤 S1201 , 源家用基站根据用户上报的测量报告判断发起切换流程， 并向源家用基站网关发送 RUA 直传消息， 该 RUA 直传消息内部^ "装有 RANAP 消息， 且该 RANAP 消息中包含重定位需求消息。 其中， 重定位需 求消息中携带目标基站标识等信息。 步骤 S 1202 , 源家用基站网关接收 RUA直传消息， 并将其中的重定位 需求消息发送到核心网移动性管理单元。 步骤 S1203 , 核心网移动性管理单元接收重定位需求消息后， 根据重定 位需求消息中携带的目标基站标识信息向目标家用基站网关发送重定位请求 消息。 步骤 S 1204 , 目标家用基站网关根据重定位请求消息中的 Iu连接标识 作为临时用户标识 ,为这个用户生成一个用户上下文并分配用户上下文标识 , 连同重定位请求消息一同封装在 RUA连接消息中发送到目标家用基站。 步骤 S1205 , 目标家用基站接收 RUA连接消息， 并根据该消息进行判 断， 当目标家用基站中没有该用户的上下文标识时， 将接收到的用户上下文 标识保存起来， 回复重定位请求确认消息。 其中， 回复的重定位请求确认消 息封装在 RUA直传消息中， 且在该 RUA直传消息中同样携带用户上下文标 识用以区分该条消息与用户的对应关系。 步骤 S1206 , 目标家用基站网关接收 RUA直传消息， 并向核心网移动 性管理单元发送重定位请求确认消息告知目标侧切换准备完成。 步骤 S1207 , 核心网移动性管理单元向源家用基站网关发送重定位命 令。 步骤 S1208 , 源家用基站网关将接收到的重定位命令消息封装在 RUA 直传消息中 , 并将该消息发送到源家用基站 , 以触发源家用基站发起用户到 目标家用基站的同步过程。 图 13为本发明实施例十提供的一种用户切换到家用基站的方法的流程 图， 如图 13所示， 该流程图包括步骤 S1301至步骤 S1310: 步骤 S 1301 , 源家用基站根据用户上报的测量报告判断发起切换流程 , 并向源家用基站网关发送 RUA 直传消息， 该 RUA 直传消息内部^ "装有
RANAP 消息， 且该 RANAP 消息中包含重定位需求消息。 其中， 重定位需
求消息中携带目标基站标识等信息。 步骤 S1302 , 源家用基站网关接收 RUA直传消息， 并^1其中的重定位 需求消息发送到核心网移动性管理单元。 步骤 S1303 , 核心网移动性管理单元接收到重定位需求消息后， 根据该 重定位需求消息中携带的目标基站标识信息进行判断， 如果发现待切换到的 目标基站是家用基站， 那么就在发向家用基站网关的重定位请求消息中携带 用户的永久标识 IMSI。 步骤 S 1304 , 目标家用基站网关才艮据重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 并将该标识通过 HNBAP层新定义的标识 分配消息发送到目标家用基站。 步骤 S1305 , 目标家用基站接收 HNBAP标识分配消息 , 并才艮据该消息 中的用户上下文标识进行判断， 当目标家用基站中没有该用户的上下文标识 时， 就将接收到的用户上下文标识保存起来， 并向目标家用基站网关回复标 只分配确认消息。 步骤 S1306, 目标家用基站网关接收到标识分配确认消息后， 将重定位 请求消息封装在 RUA连接消息中发送到目标家用基站。 其中， RUA连接消 息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S1307 , 目标家用基站接收 RUA连接消息， 并在切换准备完成后 将重定位请求确认消息封装到 RUA直传消息中发送到目标家用基站网关。 其中 , RUA直传消息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S1308 , 目标家用基站网关向核心网移动性管理单元发送重定位请 求确认消息告知目标侧切换准备完成。 步骤 S1309 , 核心网移动性管理单元向源家用基站网关发送重定位命 令。 步骤 S1310, 源家用基站网关将接收到的重定位命令消息封装在 RUA 直传消息中 , 并将该消息发送到源家用基站 , 以触发源家用基站发起用户到 目标家用基站的同步过程。
图 14为本发明实施例十一提供的一种用户切换到家用基站的方法的流 程图， 如图 14所示， 该流程图包括步骤 S1401至步骤 S1410: 步骤 S1401 , 源家用基站根据用户上报的测量报告判断发起切换流程， 当源家用基站能够根据待切换的目标基站的配置信息判断切换到的目标基站 是一个家用基站时， 在发向源家用基站网关的 RUA 直传消息中的重定位需 求消息中添加用户的永久标识 IMSI。 其中， 重定位需求消息中还携带有目标 基站标识等信息。 步骤 S 1402 , 源家用基站网关接收 RUA直传消息， 并^1其中的重定位 需求消息发送到核心网移动性管理单元。 步骤 S1403 , 核心网移动性管理单元接收到重定位需求消息后， 向目标 家用基站网关发送重定位请求消息。 步骤 S 1404 , 目标家用基站网关才艮据重定位请求消息中的用户永久标识 IMSI进行检索， 如果发现该用户并未注册过， 那么就为这个用户生成一个用 户上下文并分配用户上下文标识， 并将该标识通过 HNBAP层新定义的标识 分配消息发送到目标家用基站。 步骤 S 1405 , 目标家用基站接收 HNBAP标识分配消息 , 并才艮据该消息 中的用户上下文标识进行判断， 当目标家用基站中没有该用户的上下文标识 时， 就将接收到的用户上下文标识保存起来， 并向目标家用基站网关回复标 只分配确认消息。 步骤 S1406, 目标家用基站网关接收到标识分配确认消息后， 将重定位 请求消息封装在 RUA连接消息中发送到目标家用基站。 其中， RUA连接消 息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S1407, 目标家用基站接收 RUA连接消息， 并在切换准备完成后， 将重定位请求确认消息封装到 RUA直传消息中发送到目标家用基站网关。 其中， RUA直传消息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S1408 , 目标家用基站网关向核心网移动性管理单元发送重定位请 求确认消息告知目标侧切换准备完成。 步骤 S1409 , 核心网移动性管理单元向源家用基站网关发送重定位命 令。
步骤 S1410, 源家用基站网关将接收到的重定位命令消息封装在 RUA 直传消息中 , 并将该消息发送到源家用基站 , 以触发源家用基站发起用户到 目标家用基站的同步过程。 图 15为本发明实施例十二提供的一种用户切换到家用基站的方法的流 程图,如图 15所示， 该流程图包括步骤 S1501至步骤 S1510: 步骤 S 1501 , 源家用基站根据用户上报的测量报告判断发起切换流程 , 并向源家用基站网关发送 RUA 直传消息， 该 RUA 直传消息内部^ "装有 RANAP 消息， 且该 RANAP 消息中包含重定位需求消息。 其中， 重定位需 求消息中携带目标基站标识等信息。 步骤 S1502 , 源家用基站网关接收 RUA直传消息， 并^1其中的重定位 需求消息发送到核心网移动性管理单元。 步骤 S1503 , 核心网移动性管理单元接收重定位需求消息后， 根据重定 位需求消息中携带的目标基站标识信息向目标家用基站网关发送重定位请求 消息。 步骤 S1504, 目标家用基站网关才艮据重定位请求消息中的 Iu连接标识 作为临时用户标识 ,为这个用户生成一个用户上下文并分配用户上下文标识 , 并将该标识通过 HNBAP层新定义的标识分配消息发送到目标家用基站。 步骤 S1505 , 目标家用基站接收 HNBAP标识分配消息 , 并才艮据该消息 中的用户上下文标识进行判断， 当目标家用基站中没有该用户的上下文标识 时， 就^1接收到的用户上下文标识保存起来， 并向目标家用基站网关回复标 只分配确认消息。 步骤 S1506, 目标家用基站网关接收到标识分配确认消息后， 将重定位 请求消息封装在 RUA连接消息中发送到目标家用基站。 其中， RUA连接消 息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S1507, 目标家用基站接收 RUA连接消息， 并在切换准备完成后， 将重定位请求确认消息封装到 RUA直传消息中发送到目标家用基站网关。 其中 , RUA直传消息中携带有已分配的用户上下文标识做区分消息使用。 步骤 S1508 , 目标家用基站网关向核心网移动性管理单元发送重定位请 求确认消息告知目标侧切换准备完成。
步骤 S1509 , 核心网移动性管理单元向源家用基站网关发送重定位命 令。 步骤 S1510, 源家用基站网关将接收到的重定位命令消息封装在 RUA 直传消息中 , 并将该消息发送到源家用基站 , 以触发源家用基站发起用户到 目标家用基站的同步过程。 通过本发明实施例描述的上述方法 , 避免了当用户进行小区切换时 , 当 待切换到的目标基站是一个家用基站时， 由于家用基站网关缺少用户上下文 标识而造成家用基站和家用基站网关之间的信令消息无法对应， 切换不成功 的问题。 图 16为本发明实施例提供的一种用户切换到家用基站的装置的结构框 图，， 如图 16所示， 该装置包括： 重定位请求消息接收单元 1610 , 上下文标 识分配单元 1620, 请求确认消息发送单元 1630。 重定位请求消息接收单元 1610, 用于当用户从源基站向目标家用基站 发起切换时， 接收源基站归属的核心网移动性管理单元发出的重定位请求消 息； 上下文标识分配单元 1620, 用于才艮据重定位请求消息接收单元 1610接 收的重定位请求消息为用户生成一个用户上下文， 并为用户上下文分配用户 上下文标识， 将用户上下文标识与重定位请求消息发送到目标家用基站进行 处理； 请求确认消息发送单元 1630 , 用于当接收到目标家用基站回复的重定 位请求确认消息时 ,将该重定位请求确认消息发送到核心网移动性管理单元。 其中， 上下文标识分配单元 1620 进一步包括： 标识信息判断子单元 1621、 第一上下文标识分配子单元 1622、 第二上下文标识分配子单元 1623 和消息发送子单元 1624。 其中， 标识信息判断子单元 1621 , 用于根据重定位请求消息发送单元
1610发送的重定位请求消息进行判断 , 当重定位请求消息中携带有用户永久 标识时， 触发第一上下文标识分配子单元 1622; 当重定位请求消息中未携带 有用户永久标识时， 触发第二上下文标识分配子单元 1623; 第一上下文标识分配子单元 1622, 用于根据重定位请求消息中的用户
永久标识进行检索， 若用户未注册， 则为用户生成一个用户上下文， 并为用 户上下文分配用户上下文标识； 第二上下文标识分配子单元 1623 , 用于才艮据重定位请求消息中的 Iu连 接标只作为临时用户标只， 为该用户生成一个用户上下文， 并为用户上下文 分配用户上下文标只； 消息发送子单元 1624, 用于将用户上下文标识与重定位请求消息发送 到目标家用基站进行处理。 本发明提供的装置还包括： 同步过程建立单元 1640 , 用于通过核心网移动性管理单元发送重定位 命令触发源基站发起用户到目标家用基站的同步过程。 通过本发明提供的装置 , 避免了用户进行小区切换时 , 若待切换到的目 标基站是一个家用基站， 由于家用基站网关缺少用户上下文标识而造成家用 基站和家用基站网关之间的信令消息无法对应， 切换不成功的问题。 显然 ,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本 发明的精神和范围。 这样， 倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。
Claims
1. 一种用户切换到家用基站的方法， 其特征在于， 包括以下步骤：
A、 用户从源基站向目标家用基站发起切换时， 目标家用基站网关 接收核心网移动性管理单元发出的重定位请求消息；
B、 目标家用基站网关才艮据所述重定位请求消息为所述用户生成一 个用户上下文， 并为所述用户上下文分配用户上下文标识， 夺所述用户 上下文标识与所述重定位请求消息发送到目标家用基站；
C、 当目标家用基站网关接收到所述目标家用基站回复的重定位请 求确认消息时， 将该重定位请求确认消息发送到所述核心网移动性管理 单元。
2. 如权利要求 1所述的方法 , 其特征在于 , 所述步骤 A具体包括：
所述源基站才艮据所述用户上 4艮的测量 4艮告发起切换； 所述源基站为宏基站时 ,所述源基站直接向所述核心网移动性管理 单元发送重定位需求消息， 所述源基站为家用基站时， 所述源基站通过 家用基站网关向所述核心网移动性管理单元发送重定位需求消息； 所述核心网移动性管理单元才艮据所述重定位需求消息向所述目标 家用基站网关发送重定位请求消息， 该消息中携带有所述核心网移动性 管理单元添力。的用户永久标识。
3. 如权利要求 1所述的方法 , 其特征在于 , 所述步骤 A具体包括：
所述源基站才艮据所述用户上 4艮的测量 4艮告发起切换； 所述源基站为宏基站时 ,所述源基站直接向所述核心网移动性管理 单元发送重定位需求消息， 所述源基站为家用基站时， 所述源基站通过 家用基站网关向所述核心网移动性管理单元发送重定位需求消息， 所述 重定位需求消息中携带有所述源基站添加的用户永久标识；
所述核心网移动性管理单元按照接收到的重定位需求消息向所述 目标家用基站网关发送重定位请求消息。
4. 如权利要求 2或 3所述的方法， 其特征在于， 所述步骤 B中才艮据所述重 定位请求消息为所述用户生成一个用户上下文， 并为所述用户上下文分 配用户上下文标识具体包括：
当所述重定位请求消息中携带有用户永久标识时，才艮据所述重定位 请求消息中的用户永久标识进行检索 , 若所述用户未注册， 则为所述用 户生成一个用户上下文， 并为所述用户上下文分配用户上下文标只。
5. 如权利要求 1所述的方法， 其特征在于， 所述步骤 A具体包括：
所述源基站才艮据所述用户上 4艮的测量 4艮告发起切换； 所述源基站为宏基站时 ,所述源基站直接向所述核心网移动性管理 单元发送重定位需求消息， 所述源基站为家用基站时， 所述源基站通过 家用基站网关向所述核心网移动性管理单元发送重定位需求消息； 所述核心网移动性管理单元按照接收到的重定位需求消息向所述 目标家用基站网关发送重定位请求消息。
6. 如权利要求 5所述的方法， 其特征在于， 所述步骤 B中根据所述重定位 请求消息为所述用户生成一个用户上下文， 并为所述用户上下文分配用 户上下文标识具体包括：
当所述重定位请求消息中未携带用户永久标识时 ,才艮据所述重定位 请求消息中的 Iu连接标只作为临时用户标只 , 为该用户生成一个用户上 下文， 并为所述用户上下文分配用户上下文标只。
7. 如权利要求 1或 2或 3或 5所述的方法， 其特征在于， 所述步骤 B中将 用户上下文标识与所述重定位请求消息发送到目标家用基站具体包括： 所述目标家用基站网关^1所述用户上下文标识信息和所述重定位 请求消息封装在无线接入网络应用部分用户适配连接消息中发送到目标 家用基站； 或者，
所述目标家用基站网关将所述用户上下文标识信息通过在家用基 站应用协议层新定义的标识分配信息发送到目标家用基站， 并在接收到 所述目标家用基站回复的标识分配确认消息后将重定位请求消息封装在 无线接入网络应用部分用户适配连接消息中发送到所述目标家用基站。
8. 如权利要求 1所述的方法， 其特征在于， 在所述步骤 C之后还包括:
所述核心网移动性管理单元发送重定位命令触发源基站发起用户 到目标家用基站的同步过程。
9. 一种用户切换到家用基站的装置， 其特征在于， 包括：
重定位请求消息接收单元，用于当用户从源基站向目标家用基站发 起切换时， 接收所述源基站归属的核心网移动性管理单元发出的重定位 请求消息；
上下文标识分配单元，用于才艮据所述重定位请求消息接收单元接收 的重定位请求消息为所述用户生成一个用户上下文， 并为所述用户上下 文分配用户上下文标识， 夺所述用户上下文标识与所述重定位请求消息 发送到目标家用基站进行处理；
请求确认消息发送单元，用于当接收到所述目标家用基站回复的重 定位请求确认消息时， 将该重定位请求确认消息发送到所述核心网移动 性管理单元。
10. 如权利要求 9所述的装置， 其特征在于， 所述上下文标识分配单元进一 步包括： 标识信息判断子单元、 第一上下文标识分配子单元、 第二上下 文标识分配子单元和消息发送子单元 ,
所述标识信息判断子单元，用于才艮据所述重定位请求消息发送单元 发送的重定位请求消息进行判断， 当所述重定位请求消息中携带有用户 永久标识时， 触发所述第一上下文标识分配子单元； 当所述重定位请求 消息中未携带有用户永久标识时，触发所述第二上下文标识分配子单元； 第一上下文标识分配子单元，用于才艮据所述重定位请求消息中的用 户永久标识进行检索， 若所述用户未注册， 则为所述用户生成一个用户 上下文， 并为所述用户上下文分配用户上下文标只；
第二上下文标识分配子单元，用于才艮据所述重定位请求消息中的 Iu 连接标识作为临时用户标识， 为该用户生成一个用户上下文， 并为所述 用户上下文分配用户上下文标只；
消息发送子单元 ,用于将所述用户上下文标识与所述重定位请求消 息发送到目标家用基站进行处理。
11. 如权利要求 9所述的装置， 其特征在于， 该装置还包括：
同步过程建立单元，用于通过所述核心网移动性管理单元发送重定
位命令触发源基站发起用户到目标家用基站的同步过程。
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| ES09840645.7T ES2535408T3 (es) | 2009-02-25 | 2009-08-28 | Método y aparato para traspaso de usuario a un NodoB doméstico |
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| US9860793B2 (en) * | 2009-04-20 | 2018-01-02 | Nec Corporation | Gateway apparatus, communication control method, and non-transitory computer readable medium storing communication control program |
| WO2015018074A1 (en) * | 2013-08-09 | 2015-02-12 | Nokia Solutions And Networks Oy | Methods and apparatus |
| KR102015996B1 (ko) * | 2015-01-31 | 2019-08-29 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 사용자 장치 이주 방법, 코어 네트워크 장치, 액세스 네트워크 장치, 및 시스템 |
| CN106162866A (zh) * | 2015-04-21 | 2016-11-23 | 中兴通讯股份有限公司 | 一种重定位处理方法、装置及无线网络控制器 |
| US20190058767A1 (en) * | 2016-01-22 | 2019-02-21 | Nokia Solutions And Networks Oy | Application relocation between clouds |
| WO2018170744A1 (en) * | 2017-03-21 | 2018-09-27 | Motorola Mobility Llc | Ue context storage and context identification |
| CN109526010B (zh) * | 2019-01-02 | 2022-03-15 | 广州汇智通信技术有限公司 | 一种通信系统切换优化方法和系统 |
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| CN101815329B (zh) | 2012-09-05 |
| EP2403293A1 (en) | 2012-01-04 |
| ES2535408T3 (es) | 2015-05-11 |
| CN101815329A (zh) | 2010-08-25 |
| US8611308B2 (en) | 2013-12-17 |
| EP2403293B1 (en) | 2015-02-25 |
| US20110305221A1 (en) | 2011-12-15 |
| EP2403293A4 (en) | 2013-11-27 |
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