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CN102761985A - Method to judging connection relation between home eNB and home eNB gateway, and home eNB - Google Patents

Method to judging connection relation between home eNB and home eNB gateway, and home eNB Download PDF

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Publication number
CN102761985A
CN102761985A CN2011101117663A CN201110111766A CN102761985A CN 102761985 A CN102761985 A CN 102761985A CN 2011101117663 A CN2011101117663 A CN 2011101117663A CN 201110111766 A CN201110111766 A CN 201110111766A CN 102761985 A CN102761985 A CN 102761985A
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China
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home
base station
station
base
gateway
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CN2011101117663A
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CN102761985B (en
Inventor
祝建建
奚进
谢峰
陈琳
黄莹
翟恒星
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ZTE Corp
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ZTE Corp
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Priority to CN201110111766.3A priority Critical patent/CN102761985B/en
Priority to PCT/CN2012/074895 priority patent/WO2012146206A1/en
Publication of CN102761985A publication Critical patent/CN102761985A/en
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Publication of CN102761985B publication Critical patent/CN102761985B/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/08Testing, supervising or monitoring using real traffic
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/042Public Land Mobile systems, e.g. cellular systems
    • H04W84/045Public Land Mobile systems, e.g. cellular systems using private Base Stations, e.g. femto Base Stations, home Node B

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a method for judging the connection relation between a home eNB and a home eNB gateway. The method is as follows: judging whether the home eNB is connected to the home eNB gateway based on an initial network access operation process by the home eNB. The invention also discloses a home eNB. Due to the adoption of the method which is used for judging whether the home eNB is connected to the home eNB gateway, redundant cell, redundant signal and redundant operation can be avoided.

Description

Judge the method and the base station from home of base station from home and home base-station gateway annexation
Technical field
The present invention relates to radio honeycomb communication system, more particularly, under LTE base station from home deployment scenario, propose a kind of method and base station from home of judging base station from home and home base-station gateway annexation.
Background technology
(Home eNB is a kind of small-sized, lower powered base station HeNB) to base station from home, is deployed in indoor places such as family and office.The main advantage of base station from home is higher service rate to be provided and to reduce the needed expense of high rate services of using to the user, simultaneously, remedies the deficiency that existing distributed cellular radio communication system covers.The advantage of base station from home is economical, convenient, low-power output, plug and play etc.
(Third Generation Partnership Projects, (Long Term Evolution, LTE) the household base station network configuration diagram in the system is as illustrating shown in 1 for the senior Long Term Evolution of 3GPP) releasing for third generation partnership project.Wherein, HeNB is connected with core network element based on the core network interface agreement that defines in the standard, and (User Equipment UE) inserts HeNB based on the interface protocol of eating dishes without rice or wine that defines in the standard to subscriber equipment.To a great extent, HeNB and common macro base station (Macro eNB) do not have difference on the function of being born.Planning demand Network Based, under some deployment scenario, (Mobile Management Entity also possibly introduce a new network element between MME): home base-station gateway (HeNB GateWay, HeNB GW) for HeNB and core network element mobile management entity.The function that HeNB GW mainly bears is: relaying transmit and/or termination HeNB and MME between chain of command and/or termination HeNB and gateway (Serving Gateway, the function of the user face data grouping between S-GW); UE for access network selects serving MME; Bear the relevant function of paging operation of part.(Security Gateway SeGW) is the relevant function of safety that is used for bearing in the network to security gateway among Fig. 1.(HeNB Management System, the function of HeMS) mainly bearing is for to be configured bookkeeping to HeNB for the base station from home management system.
The existing systems requirement, the introducing of HeNB GW can not exert an influence to existing network infrastructure, and the signaling that HeNB GW is relevant, message, interactive operation etc. all need be followed the principle of transparent design.Based on the principle of transparent design, for HeNB, HeNB GW is equal to a MME, and for MME, HeNB GW is equal to a HeNB.Because the incomprehensiveness that HeNB GW exists; HeNB can't know that setting up opposite end network element that S1 is connected with it is MME or HeNB is GW, so can cause some signaling message in the certain operations flow process of existing network to carry redundant cell and/or redundant signaling in operating process, occurs.
Can know that based on the existing standard protocol status scene that exists to HeNB GW need be carried the more cell of transmission in HeNB mails to some signaling message of MME.For example; Can know based on LTE consensus standard document description; UE accomplishes in the operating process of switching based on X2 interface; If target BS is the HeNB that is connected to MME through HeNB GW, then target HeNB in mailing to the route conversion request of MME (PATH SWITCH REQUEST) message, need carry extraly source MME global unique identification (Globally Unique MME Identifier, GUMMEI).Yet because the incomprehensiveness that HeNB GW exists, when HeNB GW did not exist, this cell also need carry transmission in route conversion request signaling, promptly caused the transmission of carrying of redundant cell.In addition; In the Signalling exchange flow process of some operation, to the scene that HeNB GW exists, HeNB needs extra interpolation, and some mail to the signaling of MME; Because the incomprehensiveness that HeNB GW exists; Under the non-existent scene of HeNB GW, these signalings also need transmission, promptly can cause the situation of redundant signaling transmission to take place.For example; When UE accomplish based on the X2 switching flow switch to target BS from source HeNB after; Source HeNB need discharge the contextual information that switches the UE that leaves based on the Indication message that receives target BS; If source HeNB is connected to MME through HeNB GW, then also need to trigger by source HeNB further the context of the HeNB GW release UE of its connection.Yet; Because the incomprehensiveness that HeNB GW exists; When HeNB was not connected to HeNB GW, source HeNB still can send message trigger HeNB GW and discharge the UE context, under this scene; MME promptly can receive redundant signaling, handles these redundancies so need system to add extra treatment mechanism.
Summary of the invention
The technical problem that the present invention will solve provides a kind of method and base station from home of judging base station from home and home base-station gateway annexation, avoids redundant cell with, redundant signaling or redundant operation.
In order to address the above problem, the invention provides a kind of method of judging base station from home and home base-station gateway annexation, comprising:
Base station from home judges based on the initial network entry operating process whether said base station from home is connected to home base-station gateway.
Further, said method also can have following characteristics, and said base station from home judges based on the initial network entry operating process whether said base station from home is connected to home base-station gateway and comprises:
Said base station from home is set up request message according to the initial context that receives on the S1 interface and is judged: set up two cells of customer equipment identification that carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that then said base station from home is connected to home base-station gateway; Set up two cells of customer equipment identification that do not carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that then said base station from home is not connected to home base-station gateway.
Further, said method also can have following characteristics, and said method also comprises: whether said base station from home is connected to the state of home base-station gateway according to it, and whether decision carries specific cell in the signaling message that sends.
Further, said method also can have following characteristics, when said base station from home during as the target BS of X2 handover operation flow process:
Said base station from home is judged when it is not connected to home base-station gateway, the service mobility management entity sign cell when not carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface;
Said base station from home is judged when it is connected to home base-station gateway, the service mobility management entity sign cell when carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface.
Further, said method also can have following characteristics, and said method comprises also whether said base station from home is connected to the state of home base-station gateway according to it, and whether decision is carried out specific operation and/or sent specific signaling message.
Further, said method also can have following characteristics, when said base station from home during as the source base station of X2 handover operation flow process:
Said base station from home judges that when it was not connected to home base-station gateway, said base station from home did not trigger the context that said opposite end network element discharges the subscriber equipment of carrying out handover operation;
Said base station from home judges when it is connected to home base-station gateway, and said base station from home triggers with it and sets up the context that the subscriber equipment of handover operation is being carried out in home base-station gateway release that S1 is connected.
Further; Said method also can have following characteristics; Said method also comprises; Said base station from home also obtains with it and has set up the information whether opposite end base station from home that X2 is connected is connected to home base-station gateway, and when the source base station of said base station from home as X2 handover operation flow process, said opposite end base station from home is during as target BS:
If said base station from home and said opposite end base station from home all are not connected to home base-station gateway; And said base station from home and said opposite end base station from home are all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home does not carry subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home;
If do not satisfy said base station from home and said opposite end base station from home all is not connected to home base-station gateway; Or do not satisfy said base station from home and said opposite end base station from home is all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home carries subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home.
Further, said method also can have following characteristics, and said method also comprises:
Said base station from home creation state variable, whether the value reflection of said state variable it be connected to home base-station gateway; And, create the timer related with said state variable;
Said base station from home is set up according to the initial context that receives on the S1 interface and is also comprised before request message is judged: judge that whether said timer is for not starting or timeout mode; If; Just carry out said decision; After carrying out said decision, the value of said state variable is set, and starts or restart said timer according to result of determination.
The present invention also provides a kind of base station from home, and said base station from home is used for: judge based on the initial network entry operating process whether said base station from home is connected to home base-station gateway.
Further; Above-mentioned base station from home also can have following characteristics; Said base station from home is to be used for setting up request message according to the initial context that receives on the S1 interface to judge: set up two cells of customer equipment identification that request message carries mobile management entity sign and mobile management entity distribution when said initial context, judge that said base station from home is connected to home base-station gateway; Set up two cells of customer equipment identification that do not carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that said base station from home is not connected to home base-station gateway.
Further, above-mentioned base station from home also can have following characteristics, and said base station from home also is used for: whether be connected to the state of home base-station gateway according to it, whether decision carries specific cell in the signaling message that sends.
Further, above-mentioned base station from home also can have following characteristics, and said base station from home is to be used for: when said base station from home during as the target BS of X2 handover operation flow process:
Said base station from home is judged when it is not connected to home base-station gateway, the service mobility management entity sign cell when not carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface;
Said base station from home is judged when it is connected to home base-station gateway, the service mobility management entity sign cell when carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface.
Further, above-mentioned base station from home also can have following characteristics, and said base station from home also is used for: whether be connected to the state of home base-station gateway according to it, whether decision is carried out specific operation and/or is sent specific signaling message.
Further, above-mentioned base station from home also can have following characteristics, and said base station from home is to be used for: when said base station from home during as the source base station of X2 handover operation flow process:
Said base station from home judges when it is not connected to home base-station gateway, and said base station from home does not trigger with it and sets up the context that the subscriber equipment of handover operation is being carried out in opposite end network element release that S1 is connected;
Said base station from home judges when it is connected to home base-station gateway, and said base station from home triggers with it and sets up the context that the subscriber equipment of handover operation is being carried out in home base-station gateway release that S1 is connected.
Further; Above-mentioned base station from home also can have following characteristics; Said base station from home also is used for: obtain with it and set up the information whether opposite end base station from home that X2 is connected is connected to home base-station gateway; When the source base station of said base station from home as X2 handover operation flow process, said opposite end base station from home is during as target BS:
If said base station from home and said opposite end base station from home all are not connected to home base-station gateway; And said base station from home and said opposite end base station from home are all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home does not carry subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home;
If do not satisfy said base station from home and said opposite end base station from home all is not connected to home base-station gateway; Or do not satisfy said base station from home and said opposite end base station from home is all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home carries subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home.
Further, above-mentioned base station from home also can have following characteristics, and said base station from home also is used for: the creation state variable, and whether the value reflection of said state variable it be connected to home base-station gateway; Create the timer related with said state variable;
And; Before setting up request message and judge according to the initial context that receives on the S1 interface: judge that whether said timer is for not starting or timeout mode; If, just carry out said decision, carry out said decision after; According to result of determination said state variable value is set, and starts or restart said timer.
The present invention provides a kind of and judges based on the initial network entry operating process whether HeNB is connected to the method for HeNB GW under the prerequisite that keeps HeNB GW transparency design principle, avoiding the appearance of redundant cell and redundant signaling, and and then avoids redundant operation.
Description of drawings
Fig. 1 is the household base station network structure chart;
Fig. 2 is based on judgement and the operational illustration yet one that initial context is set up request (INITIAL CONTEXT SETUPREQUEST) signaling message;
Fig. 3 is based on the judgement and the operational illustration yet two of INITIAL CONTEXT SETUP REQUEST signaling message;
Fig. 4 is based on the judgement and the operational illustration yet three of INITIAL CONTEXT SETUP REQUEST signaling message;
Fig. 5 is the flow process diagram that control HeNB frequently carries out decision.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, hereinafter will combine accompanying drawing that embodiments of the invention are elaborated.Need to prove that under the situation of not conflicting, embodiment among the application and the characteristic among the embodiment be combination in any each other.
The present invention is directed to the base station from home application scenarios, propose a kind of method of judging base station from home connection home base-station gateway, comprising:
Base station from home judges based on the initial network entry operating process whether said base station from home is connected to home base-station gateway.
Further; HeNB sets up request message through the initial context that receives on the S1 interface and judges: (Information Element IE) judges whether it is connected to HeNBGW to set up two cells of UE sign that the sign of whether carrying MME in the request message and MME distribute according to this initial context; If carried this two cells, judge that then HeNB is connected to HeNB GW, otherwise, judge that HeNB is not connected to HeNB GW.
Further, whether HeNB is connected to the state of HeNB GW according to it, and whether decision carries specific cell in the signaling message that sends.
Further, whether HeNB is connected to the state of HeNB GW according to it, and whether decision is carried out specific operation and/or sent specific signaling message.
Further, when HeNB as based on the target BS of X2 handover operation flow process the time, comprising:
If HeNB judges that it is free of attachment to HeNB GW, the sign cell of the serving MME when not carrying UE based on the source base station access network in the route conversion request signaling message that then HeNB sends on the S1 interface;
If be connected to HeNB GW when HeNB judges it, the sign cell of the HeNB serving MME when carrying UE in the conversion request signaling message of on the S1 interface, sending then based on the source base station access network.
Further; Said HeNB also obtains with it and has set up the information (HeNB informs this information by this opposite end) whether opposite end HeNB that X2 is connected is connected to HeNB GW; When the source base station of said HeNB as X2 handover operation flow process, said opposite end HeNB is during as target BS:
If said HeNB and said opposite end HeNB all are not connected to HeNB GW; And said HeNB and said opposite end HeNB are all unique when being connected to a MME, the serving MME sign cell when said HeNB does not carry subscriber equipment based on the source base station access network in sending to the handoff request message of said opposite end HeNB;
If do not satisfy said HeNB and said opposite end HeNB all is not connected to HeNB GW; Or do not satisfy said HeNB and said opposite end HeNB is unique when being connected to a MME, the serving MME sign cell when said HeNB carries subscriber equipment based on the source base station access network in sending to the handoff request message of said opposite end HeNB.
Further, when HeNB as based on the source base station of X2 handover operation flow process the time, comprising:
If HeNB judges that it is free of attachment to HeNB GW, then HeNB does not trigger with it and sets up the context that the UE of handover operation is being carried out in opposite end network element release that S1 is connected;
If HeNB judges that it is connected to HeNB GW, then HeNB triggers with it and sets up the context that the UE of handover operation is being carried out in HeNB GW release that S1 is connected.
Further, HeNB creation state variable, whether said state variable value reflection it be connected to HeNB GW.
Further, under the base station from home application scenarios of LTE system, HeNB introduces timer mechanism, to avoid its frequent execution decision, further comprises:
Set up the timer that is associated with state variable that whether above-mentioned reflection HeNB is connected HeNB GW; Before setting up request message and judge according to the initial context that receives on the S1 interface: judge that whether said timer is for not starting or timeout mode; If; Just carry out said decision; After carrying out said decision, the value of said state variable is set, and starts or restart said timer according to result of determination.
Wherein, when said timer was in not timeout mode, HeNB received above-mentioned initial context when setting up request message, does not carry out and judges whether HeNB connects the operation of HeNB GW.
Wherein, the parameter of above-mentioned timer and/or state can be configured and/or be revised by HeNB and/or base station from home management system.
Diagram 1 has been described the household base station network structure that defines in the LTE standard.Under the application deployment scene of reality, HeNB powers on after operating process accomplishes, and promptly can set up S1 with MME or HeNB GW and be connected, when HeNB is connected completion with the S1 of opposite end network element after, can accept the connection request of UE, and service is provided for UE.Based on the accurate judgement whether HeNB GW is existed; System can carry out some decision-makings more accurately under some scene; Avoid in some signaling messages, carrying redundant cell; Avoid transmitting some redundant signaling messages, and then avoid triggering processing operation to redundant cell and redundant signaling, thus can be on original basis optimization of system performance further.For description of the invention is clearer and more definite, will use embodiment that the present invention is carried out detailed description below.
Should be appreciated that specific embodiment described herein only is used to explain the present invention, and be not used in qualification the present invention.
Embodiment 1
When UE and HeNB accomplish when eating dishes without rice or wine to be connected, HeNB can connect for this UE set up relative S1 signaling logic, and sends UE initial message (INITIAL UEMESSAGE) to core network element MME.After core network element MME receives this message, can accomplish a series of contextual informations based on the content of this message and set up and connect operation such as establishments, and can send INITIAL CONTEXT SETUP REQUEST message to HeNB to these UE.
When HeNB is connected to HeNB GW, need passes through HeNB GW from the INITIAL CONTEXTSETUP REQUEST message of MME transmission and just can arrive HeNB.When INITIALCONTEXT SETUP REQUEST message is forwarded to HeNB through HeNB GW; HeNBGW need carry two extra IE in this message; The UE sign (MME UE S1AP ID 2) that GUMMEI and MME distribute; Wherein, GUMMEI is the sign of serving the MME of this UE, and MME UE S1AP ID 2 is the service identifiers that distributed for this UE by the MME that serves this UE.When HeNB is not connected to HeNB GW, but when being directly connected to MME, in INITIALCONTEXT SETUP REQUEST message, then can not carry above-mentioned two IE.
As illustrate 2; When HeNB2 receives the INITIAL CONTEXTSETUP REQUEST message that comes from the S1 interface, can carry out decision, in this message, carry cell GUMMEI and MME UE S1AP ID 2; Then can to determine oneself be to be connected to HeNB GW to HeNB2; Otherwise, then can determine and oneself not be connected to HeNB GW, but be directly connected to MME.After HeNB2 accomplishes decision, the value of a state variable of creating before it then is set according to the result of this decision, for convenience, naming this state variable is HeGW_Conn_State.After the value of HeGW_Conn_State was provided with completion, the value of HeGW_Conn_State can reflect whether this HeNB is connected to HeNB GW.
As illustrate 2; A certain UE is based in the handover operation process of X2 handover operation flow performing from the source base station to HeNB2; HeNB2 can switch the route conversion request message (PATH SWITCH REQUEST) of completion stage to the MME transmission; This message can trigger MME and carry out correspondingly operation, changes and then accomplish the handover operation of UE from the source base station to HeNB2 to accomplish core net to the route of UE.HeNB2 sends PATH SWITCH REQUEST message based on the S1 interface before, need at first to judge how to encapsulate this message that concrete decision is following:
HeNB2 at first checks the value of the HeGW_Conn_State state variable that oneself is preserved; If it oneself is to be connected to HeNB GW that the value of HeGW_Conn_State reflects; Then in being about to the PATH SWITCH REQUEST message of sending, need carry source MME sign (Source MMEGUMMEI) cell, this cell is the sign that is used for indicating the serving MME of UE when being connected to core net based on source base station of carrying out handover operation.If the value of HeGW_Conn_State reflects that it is not connected to HeNB GW, then in being about to the PATH SWITCH REQUEST message of sending, need not carry Source MME GUMMEI cell.
When HeNB2 accomplishes the encapsulation of PATH SWITCH REQUEST signaling message according to foregoing description after, can send this message based on the S1 interface.
Embodiment 2
With embodiment 1, in the present embodiment, HeNB1 carries out decision based on the INITIAL CONTEXTSETUP REQUEST message that receives, and the value that state variable HeGW_Conn_State further is set is to reflect whether it is connected to HeNB GW.As shown in Figure 3; A certain UE is based in the handover operation process of X2 handover operation flow performing from HeNB1 to the target BS; Switching the completion stage; Target BS can send UE context release message (UECONTEXT REEASE) to HeNB1, to trigger the context that HeNB1 discharges the UE that is carrying out handover operation.After HeNB1 received UE CONTEXT RELEASE, it was following to carry out decision further:
HeNB1 at first checks the value of the HeGW_Conn_State state variable that oneself is preserved; If it oneself is to be connected to HeNB GW that the value of HeGW_Conn_State reflects; Then decidable need send Indication message to the HeNB of its connection GW based on the S1 interface, to trigger the context that HeNB GW discharges the UE that is carrying out handover operation.If the value of HeGW_Conn_State reflects that oneself is not connected to HeNB GW, then decidable need not trigger with it and set up the context that opposite end network element that S1 is connected discharges the UE that is carrying out handover operation.
After HeNB1 accomplishes above-mentioned decision, can carry out operation further based on result of determination.
Embodiment 3
With embodiment 1; In the present embodiment; HeNB1 and HeNB2 still carry out decision based on the INITIAL CONTEXT SETUP REQUEST message that receives, and the value that state variable HeGW_Conn_State further is set is to reflect whether it is connected to HeNB GW.After HeNB1 and HeNB2 have known whether it is connected to the result of HeNB GW; Inform opposite end HeNB storage each other and/or upgrade the result of determination that whether is connected to HeNB GW each other based on X2 interface, and the value of preserving the other side's connection status variable HeGW_Conn_State.
As illustrate 4, when a certain UE based on the handover operation process of X2 handover operation flow performing from HeNB1 to HeNB2 in, in handoff preparation phase, HeNB1 needs the execution decision before sending handoff request (HANDOVER REQUEST) message to HeNB2, as follows:
HeNB1 at first checks the value that reflects the state variable HeGW_Conn_State_1 that oneself whether is directly connected to HeNB GW and reflects whether HeNB2 is directly connected to the value of the state variable HeGW_Conn_State_2 of HeNB GW.If the value of two state variables reflects HeNB1 and HeNB2 and all is not connected to HeNB GW; And HeNB1 and HeNB2 are unique when being connected to a MME; Then in being about to the HANDOVER REQUEST message of sending, need not carry cell GUMMEI, this cell is the sign that is used for indicating the serving MME of UE when being connected to core net based on HeNB1 of carrying out handover operation.If when not satisfying condition or discontented sufficient HeNB1 and HeNB2 that HeNB1 and HeNB2 be not connected to HeNB GW and all be the unique condition that is connected to a MME, then in being about to the HANDOVER REQUEST message of sending, need carry cell GUMMEI.
When HeNB1 accomplish carry the decision of content for HANDOVER REQUEST signaling message after, can encapsulate and send this message based on X2 interface.
Embodiment 4
With embodiment 1; Embodiment 2 and embodiment 3; In the present embodiment; Base station from home is still carried out decision based on the INITIAL CONTEXT SETUP REQUEST message that receives, and the value that state variable HeGW_Conn_State further is set is to reflect whether it is connected to HeNBGW.Wherein, Base station from home can all be carried out decision at every turn when receiving INITIAL CONTEX SETUP REQUEST message; Perhaps; Set decision condition, when the family expenses base station receives INITIALCONTEX SETUP REQUEST message and satisfy the decision condition of its setting, just carry out decision.
When a lot of UE accomplish the networking attended operation based on HeNB at short notice; HeNB may receive INITIAL CONTEX SETUP REQUEST message for several times at short notice; The value of HeGW_Conn_State state variable then can be not frequent variation even can not change; Can preset decision condition, just judge when satisfying decision condition.Reach the execution that reduces unnecessary decision through preset decision condition, to save system resource overhead.Such as, when HeNB creation state variable HeGW_Conn_State, introduce related timer, reach the execution that reduces unnecessary decision based on this timer, to save system resource overhead.The executive condition of decision is and requires timer to be in not startup or timeout mode at this moment.Further specify the concrete grammar that uses timer below.
As illustrate 5; After HeNB works on power; It is that HeNB does not connect HeNB GW state value that HeGW_Conn_State state variable value is set, and is its configuration association timer, for convenience; With this timer called after HeGW_Conn_Timer, the initial condition of this timer is configured to not start.When HeNB receives INITIAL CONTEX SETUP REQUEST message, at first check the HeGW_Conn_Timer state.If the HeGW_Conn_Timer state is perhaps overtime for not starting; Then carry out the judgement HeNB that describes in the above-mentioned instance 1 and whether connect HeNB GW operation; And HeGW_Conn_State state variable value is upgraded based on the decision result; When executing after whether above-mentioned judgement HeNB connect the operation of HeNB GW, and start or restart the timer HeGW_Conn_Timer that is associated with it; If, then not carrying out the judgement HeNB that describes in the above-mentioned instance 1 for starting and not overtime, the HeGW_Conn_Timer state whether do not connect HeNB GW operation.
The parameter of above-mentioned timer and/or state can be configured and/or be revised by HeNB and/or base station from home management system.
Embodiment 2 and embodiment 3 are operated with embodiment 1 in execution accordingly based on HeGW_Conn_State state variable value.
The present invention also provides a kind of base station from home, and said base station from home is used for: judge based on the initial network entry operating process whether said base station from home is connected to home base-station gateway.
Wherein, Said base station from home is to be used for setting up request message according to the initial context that receives on the S1 interface to judge: set up two cells of customer equipment identification that request message carries mobile management entity sign and mobile management entity distribution when said initial context, judge that said base station from home is connected to home base-station gateway; Set up two cells of customer equipment identification that do not carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that said base station from home is not connected to home base-station gateway.
Wherein, said base station from home also is used for: whether be connected to home base-station gateway according to it, whether decision carries specific cell in the signaling message that sends.
Wherein, said base station from home is to be used for: when said base station from home during as the target BS of X2 handover operation flow process:
Said base station from home is judged when it is not connected to home base-station gateway, the service mobility management entity sign cell when not carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface;
Said base station from home is judged when it is connected to home base-station gateway, the service mobility management entity sign cell when carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface.
Wherein, said base station from home also is used for: whether be connected to the state of home base-station gateway according to it, whether decision is carried out specific operation and/or is sent specific signaling message.
Wherein, said base station from home is to be used for: when said base station from home during as the source base station of X2 handover operation flow process:
Said base station from home judges when it is not connected to home base-station gateway, and said base station from home does not trigger with it and sets up the context that the subscriber equipment of handover operation is being carried out in opposite end network element release that S1 is connected;
Said base station from home judges when it is connected to home base-station gateway, and said base station from home triggers with it and sets up the context that the subscriber equipment of handover operation is being carried out in home base-station gateway release that S1 is connected.
Wherein, Said base station from home also is used for: obtain with it and set up the information whether opposite end base station from home that X2 is connected is connected to home base-station gateway; When the source base station of said base station from home as X2 handover operation flow process, said opposite end base station from home is during as target BS:
If said base station from home and said opposite end base station from home all are not connected to home base-station gateway; An and all unique mobile management entity, the sign cell of the service mobility management entity when said base station from home does not carry subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home of being connected to of said base station from home and said opposite end base station from home;
If do not satisfy said base station from home and said opposite end base station from home all is not connected to home base-station gateway; Or do not satisfy said base station from home and an all unique mobile management entity, the sign cell of the service mobility management entity when said base station from home carries subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home of being connected to of said opposite end base station from home.
Wherein, said base station from home also is used for: the creation state variable, and whether the value reflection of said state variable it be connected to home base-station gateway; Create the timer related with said state variable;
And; Before setting up request message and judge according to the initial context that receives on the S1 interface: judge that whether said timer is for not starting or timeout mode; If, just carry out said decision, carry out said decision after; According to result of determination said state variable is set, and starts or restart said timer.
Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize by calculation element.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (16)

1. a method of judging base station from home and home base-station gateway annexation is characterized in that, comprising:
Base station from home judges based on the initial network entry operating process whether said base station from home is connected to home base-station gateway.
2. the method for claim 1 is characterized in that, said base station from home judges based on the initial network entry operating process whether said base station from home is connected to home base-station gateway and comprises:
Said base station from home is set up request message according to the initial context that receives on the S1 interface and is judged: set up two cells of customer equipment identification that carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that then said base station from home is connected to home base-station gateway; Set up two cells of customer equipment identification that do not carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that then said base station from home is not connected to home base-station gateway.
3. according to claim 1 or claim 2 method, it is characterized in that said method also comprises: whether said base station from home is connected to the state of home base-station gateway according to it, and whether decision carries specific cell in the signaling message that sends.
4. method as claimed in claim 3 is characterized in that, when said base station from home during as the target BS of X2 handover operation flow process:
Said base station from home is judged when it is not connected to home base-station gateway, the service mobility management entity sign cell when not carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface;
Said base station from home is judged when it is connected to home base-station gateway, the service mobility management entity sign cell when carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface.
5. according to claim 1 or claim 2 method is characterized in that said method comprises also whether said base station from home is connected to the state of home base-station gateway according to it, and whether decision is carried out specific operation and/or sent specific signaling message.
6. method as claimed in claim 5 is characterized in that, when said base station from home during as the source base station of X2 handover operation flow process:
Said base station from home judges that when it was not connected to home base-station gateway, said base station from home did not trigger the context that said opposite end network element discharges the subscriber equipment of carrying out handover operation;
Said base station from home judges when it is connected to home base-station gateway, and said base station from home triggers with it and sets up the context that the subscriber equipment of handover operation is being carried out in home base-station gateway release that S1 is connected.
7. according to claim 1 or claim 2 method; It is characterized in that; Said method also comprises; Said base station from home also obtains with it and has set up the information whether opposite end base station from home that X2 is connected is connected to home base-station gateway, and when the source base station of said base station from home as X2 handover operation flow process, said opposite end base station from home is during as target BS:
If said base station from home and said opposite end base station from home all are not connected to home base-station gateway; And said base station from home and said opposite end base station from home are all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home does not carry subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home;
If do not satisfy said base station from home and said opposite end base station from home all is not connected to home base-station gateway; Or do not satisfy said base station from home and said opposite end base station from home is all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home carries subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home.
8. method as claimed in claim 2 is characterized in that, said method also comprises:
Said base station from home creation state variable, whether the value reflection of said state variable it be connected to home base-station gateway; And, create the timer related with said state variable;
Said base station from home is set up according to the initial context that receives on the S1 interface and is also comprised before request message is judged: judge that whether said timer is for not starting or timeout mode; If; Just carry out said decision; After carrying out said decision, the value of said state variable is set, and starts or restart said timer according to result of determination.
9. a base station from home is characterized in that,
Said base station from home is used for: judge based on the initial network entry operating process whether said base station from home is connected to home base-station gateway.
10. base station from home as claimed in claim 8; It is characterized in that; Said base station from home is to be used for setting up request message according to the initial context that receives on the S1 interface to judge: set up two cells of customer equipment identification that request message carries mobile management entity sign and mobile management entity distribution when said initial context, judge that said base station from home is connected to home base-station gateway; Set up two cells of customer equipment identification that do not carry mobile management entity sign and mobile management entity distribution in the request message when said initial context, judge that said base station from home is not connected to home base-station gateway.
11. like claim 9 or 10 described base station from home, it is characterized in that said base station from home also is used for: whether be connected to the state of home base-station gateway according to it, whether decision carries specific cell in the signaling message that sends.
12. base station from home as claimed in claim 11 is characterized in that, said base station from home is to be used for: when said base station from home during as the target BS of X2 handover operation flow process:
Said base station from home is judged when it is not connected to home base-station gateway, the service mobility management entity sign cell when not carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface;
Said base station from home is judged when it is connected to home base-station gateway, the service mobility management entity sign cell when carrying subscriber equipment based on the source base station access network in the route conversion request signaling message that said base station from home sends on the S1 interface.
13. like claim 9 or 10 described base station from home, it is characterized in that said base station from home also is used for: whether be connected to the state of home base-station gateway according to it, whether decision is carried out specific operation and/or is sent specific signaling message.
14. base station from home as claimed in claim 13 is characterized in that, said base station from home is to be used for: when said base station from home during as the source base station of X2 handover operation flow process:
Said base station from home judges when it is not connected to home base-station gateway, and said base station from home does not trigger with it and sets up the context that the subscriber equipment of handover operation is being carried out in opposite end network element release that S1 is connected;
Said base station from home judges when it is connected to home base-station gateway, and said base station from home triggers with it and sets up the context that the subscriber equipment of handover operation is being carried out in home base-station gateway release that S1 is connected.
15. like claim 9 or 10 described base station from home; It is characterized in that; Said base station from home also is used for: obtain with it and set up the information whether opposite end base station from home that X2 is connected is connected to home base-station gateway; When the source base station of said base station from home as X2 handover operation flow process, said opposite end base station from home is during as target BS:
If said base station from home and said opposite end base station from home all are not connected to home base-station gateway; And said base station from home and said opposite end base station from home are all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home does not carry subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home;
If do not satisfy said base station from home and said opposite end base station from home all is not connected to home base-station gateway; Or do not satisfy said base station from home and said opposite end base station from home is all unique when being connected to a mobile management entity, the service mobility management entity sign cell when said base station from home carries subscriber equipment based on the source base station access network in the handoff request message that sends to said opposite end base station from home.
16. base station from home as claimed in claim 10 is characterized in that, said base station from home also is used for: the creation state variable, and whether the value reflection of said state variable it be connected to home base-station gateway; Create the timer related with said state variable;
And; Before setting up request message and judge according to the initial context that receives on the S1 interface: judge that whether said timer is for not starting or timeout mode; If, just carry out said decision, carry out said decision after; According to result of determination said state variable value is set, and starts or restart said timer.
CN201110111766.3A 2011-04-29 2011-04-29 The method of judgement base station from home and home base-station gateway annexation and base station from home Expired - Fee Related CN102761985B (en)

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