CN102858024A - Processing method and system of UE (User Equipment) in SCTP (Stream Control Transmission Protocol) coupling flashing process - Google Patents

Processing method and system of UE (User Equipment) in SCTP (Stream Control Transmission Protocol) coupling flashing process Download PDF

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CN102858024A
CN102858024A CN2011101843256A CN201110184325A CN102858024A CN 102858024 A CN102858024 A CN 102858024A CN 2011101843256 A CN2011101843256 A CN 2011101843256A CN 201110184325 A CN201110184325 A CN 201110184325A CN 102858024 A CN102858024 A CN 102858024A
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sctp
enb
sctp coupling
connection
time
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孙伟
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2011/079996 priority patent/WO2012151834A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

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

Abstract

本发明公开了一种SCTP偶联闪断时UE的处理方法，包括如下步骤：设定一个时间L；当SCTP偶联闪断后，如果所述SCTP偶联在所述时间L内恢复，则不释放eNB与UE之间的连接，直接恢复UE的业务；如果所述SCTP偶联在所述时间L内未恢复，则释放eNB与UE之间的连接，待所述SCTP偶联恢复时，重新建立eNB与UE之间的连接，并恢复UE的业务。所述时间L小于等于SCTP协议规定的SCTP偶联建立超时定时器时间。采用本发明方法能够有效缩短SCTP偶联闪断时UE业务恢复时间。本发明还公开了一种SCTP偶联闪断时UE的处理系统，包括时间设置模块和业务恢复模块。

The present invention discloses a UE processing method when SCTP coupling is disconnected temporarily, which includes the following steps: setting a time L; when SCTP coupling is disconnected, if the SCTP coupling recovers within the time L, no Release the connection between the eNB and the UE, and directly restore the service of the UE; if the SCTP coupling is not recovered within the time L, release the connection between the eNB and the UE, and when the SCTP coupling is recovered, restart Establish a connection between the eNB and the UE, and restore the service of the UE. The time L is less than or equal to the SCTP association establishment timeout timer specified in the SCTP protocol. Adopting the method of the invention can effectively shorten the service recovery time of the UE when the SCTP coupling is disconnected temporarily. The invention also discloses a UE processing system when SCTP coupling flash disconnection, including a time setting module and a service recovery module.

Description

Processing method and the system of UE during a kind of SCTP coupling flash
Technical field
The invention belongs to communication technical field, processing method and the system of UE (User Equipment, subscriber equipment) when relating in particular to a kind of SCTP (Stream Control Transmission Protocol, SCTP) coupling flash.
Background technology
At EPS (Evolved Packet System, evolved packet system) in the system, set up the SCTP coupling between eNB (evolved NodeB, evolved base station) and the MME (Mobility Management Entity, mobile management entity) and carry the S1 interface signaling.SCTP is coupled at and may occurs the situation that moment disconnects and rebuilds in the unusual situation, is called flash.
At LTE (Long Term Evolution, Long Term Evolution) in the system, when flash appears in the SCTP coupling between eNB and the MME, according to existing solution, eNB and MME can discharge the context of UE immediately after the SCTP coupling disconnects, like this, UE must re-execute attach (adhering to) process ability access network after the SCTP coupling recovered in the short time.This will make immediately call drop of UE, and greatly increase the time that UE recovers business.
Summary of the invention
The technical problem to be solved in the present invention is the long problem of UE service recovery time during for the SCTP coupling flash that exists in the prior art, processing method and the system of UE when having proposed a kind of SCTP coupling flash, UE service recovery time in the time of can effectively shortening SCTP coupling flash.
The present invention is applicable to the UE that is in the ECM-CONNECTED attitude is processed, and ECM-CONNECTED refers to ECM (EPS Connection Management, EPS Connection Management) connected state.
As one aspect of the present invention, the processing method of UE when a kind of SCTP coupling flash is provided, the method comprises the steps:
Set a time L;
After SCTP coupling flash, if being coupled in the described time L, recovers described SCTP, then do not discharge being connected between eNB and the UE, directly recover the business of UE;
Recover if described SCTP is coupled in the described time L, then discharge being connected between eNB and the UE, when treating that described SCTP coupling recovers, rebulid being connected between eNB and the UE, and recover the business of UE.
Further, described time L sets up the overtime timer time less than or equal to the SCTP coupling of Stream Control Transmission Protocol regulation, sets up the overtime timer time as good take the SCTP coupling that equals the Stream Control Transmission Protocol regulation.
Further, do not discharge being connected between eNB and the UE, directly recover the business of UE, comprising:
ENB and MME do not discharge the context of UE, after described SCTP coupling recovers, recover the business of UE.
Further, discharge being connected between eNB and the UE, when treating that described SCTP coupling recovers, rebulid being connected between eNB and the UE, and recover the business of UE, comprising:
Discharge the UE context, and send RRC Connection Release message to UE, discharge RRC and connect;
When treating that described SCTP coupling recovers, rebulid eNB and is connected with RRC between the UE, and the business of recovery UE.
RRC Connection Release message refers to RRC (Radio Resource Control, radio resource control) connection release message.
As another aspect of the present invention, the treatment system of UE when a kind of SCTP coupling flash is provided, this system comprises:
The set of time module is used for setting a time L;
The business recovery module is used for:
After SCTP coupling flash, if being coupled in the described time L, recovers described SCTP, then do not discharge being connected between eNB and the UE, directly recover the business of UE;
Recover if described SCTP is coupled in the described time L, then discharge being connected between eNB and the UE, when treating that described SCTP coupling recovers, rebulid being connected between eNB and the UE, and recover the business of UE.
Further, described time L sets up the overtime timer time less than or equal to the SCTP coupling of Stream Control Transmission Protocol regulation, sets up the overtime timer time as good take the SCTP coupling that equals the Stream Control Transmission Protocol regulation.
Further, described business recovery module comprises not overtime business recovery submodule and overtime business recovery submodule;
Wherein, described not overtime business recovery submodule is used for, and after SCTP coupling flash, recovers if described SCTP is coupled in the described time L, does not then discharge being connected between eNB and the UE, directly recovers the business of UE;
Described overtime business recovery submodule is used for, and recovers if described SCTP is coupled in the described time L, then discharges being connected between eNB and the UE, when treating that described SCTP coupling recovers, rebulids being connected between eNB and the UE, and recovers the business of UE.
Beneficial effect of the present invention is:
The processing scheme of UE when adopting SCTP coupling flash provided by the invention, when flash appears in the SCTP coupling, if SCTP coupling in the time L that sets, then UE can recover professional fast, and do not need to re-execute the attaching process access network, shortened UE and recovered the professional time, improved the user and used impression.
Description of drawings
The process flow schematic diagram of UE when Fig. 1 is SCTP coupling flash of the present invention;
Fig. 2 recovers before timer expiry after the SCTP coupling between eNB and the MME disconnects, and eNB processes the principle schematic that is in ECM-CONNECTED attitude UE in this SCTP coupling;
Fig. 3 does not recover before timer expiry after the SCTP coupling between eNB and the MME disconnects, and eNB processes the principle schematic that is in ECM-CONNECTED attitude UE in this SCTP coupling;
Fig. 4 recovers before timer expiry after the SCTP coupling between eNB and the MME disconnects, and eNB processes the schematic flow sheet that is in ECM-CONNECTED attitude UE in this SCTP coupling;
Fig. 5 does not recover before timer expiry after the SCTP coupling between eNB and the MME disconnects, and eNB processes the schematic flow sheet that is in ECM-CONNECTED attitude UE in this SCTP coupling;
The treatment system structural representation of UE when Fig. 6 is SCTP coupling flash of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
The process flow schematic diagram of UE when Fig. 1 is SCTP coupling flash of the present invention, as shown in Figure 1, the processing method of UE specifically comprises the steps: during SCTP coupling flash of the present invention
Step 101 is set a time L;
Time L sets up the overtime timer time less than or equal to the SCTP coupling of Stream Control Transmission Protocol regulation, and the SCTP coupling of getting the Stream Control Transmission Protocol regulation to set up the overtime timer time be good.
Step 102, after SCTP coupling flash, whether monitoring SCTP is coupled in the time L and recovers; If so, execution in step 103 then; Otherwise execution in step 104;
Step 103 does not discharge being connected between eNB and the UE, the direct business of recovery UE after the SCTP coupling recovers;
In this step, eNB and MME do not discharge the context of UE, after the SCTP coupling recovers, recover the business of UE.
Step 104 after time L reaches, discharges being connected between eNB and the UE, when treating that the SCTP coupling recovers, rebulids being connected between eNB and the UE, and recovers the business of UE.
In this step, after time L reaches, discharge the UE context, and send RRC Connection Release message to UE, discharge RRC and connect; When treating that the SCTP coupling recovers, rebulid eNB and is connected with RRC between the UE, and the business of recovery UE.
Fig. 2 recovers before timer expiry after the SCTP coupling between eNB and the MME disconnects, eNB processes the principle schematic that is in ECM-CONNECTED attitude UE in this SCTP coupling, Fig. 3 does not recover before timer expiry after the SCTP coupling between eNB and the MME disconnects, and eNB processes the principle schematic that is in ECM-CONNECTED attitude UE in this SCTP coupling.As shown in Figures 2 and 3, the principle of the processing method of UE comprises during SCTP coupling flash of the present invention:
ENB is after receiving the message that the SCTP coupling disconnects, can search according to the coupling ID (identify label number) of all UE in this SCTP coupling all UE in this SCTP coupling, eNB and MME all start a timer, the time of set timer is above-mentioned time L, in timer time L scope, eNB and MME do not discharge the context of UE.
If the SCTP coupling before the timer expiry between eNB and the MME recovers, stop so timer, recover the business of UE.If the SCTP coupling does not recover yet before the timer expiry, then discharge the UE context and send the RRC connection release message to UE, discharge RRC and connect.After the SCTP coupling between eNB and the MME recovers, rebulid RRC and connect, and recover the business of UE.
Below in conjunction with accompanying drawing 4, to recover before timer expiry the disconnection of the SCTP coupling between eNB and the MME is rear, the flow process that is in ECM-CONNECTED attitude UE that eNB processes in this SCTP coupling is described further:
Step 401, eNB receives the ABORT message (disconnection message) that MME sends, or eNB finds to disconnect the message to MME transmission ABORT with the SCTP coupling of MME;
Step 402, eNB searches all UE in this SCTP coupling according to the coupling ID of all UE in this SCTP coupling, and starts timer, and timer duration is set as above-mentioned time L;
Step 403 before the timer expiry, re-establishes SCTP coupling success between eNB and MME;
Step 404, eNB stops timer, and recovers the business of UE.
Below in conjunction with accompanying drawing 5, to recover before timer expiry the disconnection of the SCTP coupling between eNB and the MME is rear, the flow process that is in ECM-CONNECTED attitude UE that eNB processes in this SCTP coupling is described further:
Step 501, eNB receives the ABORT message that MME sends, or eNB finds to disconnect the message to MME transmission ABORT with the SCTP coupling of MME;
Step 502, eNB searches all UE in this SCTP coupling according to the coupling ID of all UE in this SCTP coupling, and starts timer, and timer duration is set as above-mentioned time L;
Step 503, before the timer expiry, the SCTP coupling between eNB and MME does not recover, timer expiry, eNB sends the RRC connection release message to all UE that find;
Step 504, after UE receives the RRC connection release message, be connected the RRC connection setup complete message with RRCConnection Setup Complete message by RRC Connection Request message (RRC connection request message), RRC Connection Setup (RRC connect set up message)) rebulid the RRC connection, and the initiation access process, recover UE professional.
The treatment system structural representation of UE when Fig. 6 is SCTP coupling flash of the present invention, as shown in the figure, the treatment system of UE comprises set of time module 601 and business recovery module 602 during SCTP coupling flash of the present invention, and wherein business recovery module 602 comprises not overtime business recovery submodule 6021 and overtime business recovery submodule 6022.
Wherein, set of time module 601 be used for to be set a time L, and time L sets up the overtime timer time less than or equal to the SCTP coupling of Stream Control Transmission Protocol regulation, and the SCTP coupling of getting the Stream Control Transmission Protocol regulation to set up the overtime timer time be good;
Business recovery module 602 is used for:
After SCTP coupling flash, if being coupled in the time L, recovers SCTP, then do not discharge being connected between eNB and the UE, directly recover the business of UE;
Recover if SCTP is coupled in the described time L, then discharge being connected between eNB and the UE, when treating that the SCTP coupling recovers, rebulid being connected between eNB and the UE, and recover the business of UE.
Not overtime business recovery submodule 6021 is used for when SCTP coupling flash after, if SCTP is coupled at recovery in the time L, does not then discharge being connected between eNB and the UE, directly recovers the business of UE.
Overtime business recovery submodule 6022 is coupled in the described time L and recovers if be used for SCTP, then discharges being connected between eNB and the UE, when treating that the SCTP coupling recovers, rebulids being connected between eNB and the UE, and recovers the business of UE.
Above-described specific embodiment, purpose of the present invention, technical scheme and beneficial effect are further described, institute it should be noted, the above only is specific embodiments of the invention, and those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of the technical scheme of claim record of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.

Claims (10)

1.一种流控制传输协议SCTP偶联闪断时用户设备UE的处理方法，适用于对处于演进分组系统连接管理ECM-CONNECTED态的UE进行处理；其特征在于，包括如下步骤：1. the processing method of user equipment UE when a kind of stream control transmission protocol SCTP couples flash disconnection, is applicable to the UE that is in the evolution packet system connection management ECM-CONNECTED state is processed; It is characterized in that, comprises the following steps: 设定一个时间L；Set a time L; 当SCTP偶联闪断后，如果所述SCTP偶联在所述时间L内恢复，则不释放演进型基站eNB与UE之间的连接，直接恢复UE的业务；After the SCTP coupling is disconnected temporarily, if the SCTP coupling resumes within the time L, the UE service is directly resumed without releasing the connection between the eNB and the UE; 如果所述SCTP偶联在所述时间L内未恢复，则释放eNB与UE之间的连接，待所述SCTP偶联恢复时，重新建立eNB与UE之间的连接，并恢复UE的业务。If the SCTP coupling is not recovered within the time L, the connection between the eNB and the UE is released, and when the SCTP coupling is recovered, the connection between the eNB and the UE is re-established, and services of the UE are resumed. 2.如权利要求1所述的SCTP偶联闪断时UE的处理方法，其特征在于，所述时间L小于等于SCTP协议规定的SCTP偶联建立超时定时器时间。2. The method for processing the UE when the SCTP connection is disconnected temporarily according to claim 1, wherein the time L is less than or equal to the SCTP connection establishment timeout timer specified by the SCTP protocol. 3.如权利要求2所述的SCTP偶联闪断时UE的处理方法，其特征在于，所述时间L等于SCTP协议规定的SCTP偶联建立超时定时器时间。3. The method for processing the UE when the SCTP coupling is disconnected in a flash according to claim 2, wherein the time L is equal to the SCTP coupling setup timeout timer specified by the SCTP protocol. 4.如权利要求1或2或3所述的SCTP偶联闪断时UE的处理方法，其特征在于，不释放eNB与UE之间的连接，直接恢复UE的业务，包括：4. The UE processing method when SCTP coupling flash disconnection according to claim 1 or 2 or 3, characterized in that the UE service is directly restored without releasing the connection between the eNB and the UE, including: eNB和移动管理实体MME都不释放UE的上下文，待所述SCTP偶联恢复后，恢复UE的业务。Neither the eNB nor the mobility management entity MME releases the context of the UE, and resumes the service of the UE after the SCTP coupling is resumed. 5.如权利要求1或2或3所述的SCTP偶联闪断时UE的处理方法，其特征在于，释放eNB与UE之间的连接，待所述SCTP偶联恢复时，重新建立eNB与UE之间的连接，并恢复UE的业务，包括：5. The UE processing method when the SCTP coupling is disconnected as claimed in claim 1, 2 or 3, wherein the connection between the eNB and the UE is released, and when the SCTP coupling is restored, the eNB and UE are re-established. The connection between UEs, and restore the services of UEs, including: 释放掉UE上下文，并向UE发送无线资源控制协议RRC连接释放消息，释放RRC连接；Release the UE context, and send a radio resource control protocol RRC connection release message to the UE to release the RRC connection; 待所述SCTP偶联恢复时，重新建立eNB与UE之间的RRC连接，并恢复UE的业务。When the SCTP coupling is resumed, the RRC connection between the eNB and the UE is re-established, and services of the UE are resumed. 6.一种SCTP偶联闪断时UE的处理系统，适用于对处于ECM-CONNECTED态的UE进行处理；其特征在于，包括：6. A UE processing system for SCTP coupling flash disconnection, suitable for processing a UE in an ECM-CONNECTED state; characterized in that it includes: 时间设置模块，用于设定一个时间L；A time setting module, used to set a time L; 业务恢复模块，用于当SCTP偶联闪断后，如果所述SCTP偶联在所述时间L内恢复，则不释放eNB与UE之间的连接，直接恢复UE的业务；如果所述SCTP偶联在所述时间L内未恢复，则释放eNB与UE之间的连接，待所述SCTP偶联恢复时，重新建立eNB与UE之间的连接，并恢复UE的业务。A service recovery module, configured to restore the service of the UE directly without releasing the connection between the eNB and the UE if the SCTP connection resumes within the time L after the SCTP connection is disconnected; if the SCTP connection If it is not restored within the time L, the connection between the eNB and the UE is released, and when the SCTP coupling is restored, the connection between the eNB and the UE is re-established, and services of the UE are resumed. 7.如权利要求6所述的SCTP偶联闪断时UE的处理系统，其特征在于，所述时间L小于等于SCTP协议规定的SCTP偶联建立超时定时器时间。7. The UE processing system when the SCTP coupling is disconnected temporarily according to claim 6, wherein the time L is less than or equal to the SCTP coupling establishment timeout timer specified by the SCTP protocol. 8.如权利要求7所述的SCTP偶联闪断时UE的处理方法，其特征在于，所述时间L等于SCTP协议规定的SCTP偶联建立超时定时器时间。8. The method for processing the UE when the SCTP coupling is disconnected temporarily according to claim 7, wherein the time L is equal to the SCTP coupling setup timeout timer specified by the SCTP protocol. 9.如权利要求6或7或8所述的SCTP偶联闪断时UE的处理系统，其特征在于，所述业务恢复模块包括不超时业务恢复子模块；9. As claimed in claim 6 or 7 or 8, the UE processing system when SCTP coupling flash disconnection is characterized in that, the service recovery module includes a non-overtime service recovery submodule; 所述不超时业务恢复子模块用于，当SCTP偶联闪断后，如果所述SCTP偶联在所述时间L内恢复，则不释放eNB与UE之间的连接，直接恢复UE的业务。The non-timeout service recovery sub-module is used for, when the SCTP coupling is disconnected temporarily, if the SCTP coupling is recovered within the time L, the connection between the eNB and the UE is not released, and the service of the UE is directly recovered. 10.如权利要求9所述的SCTP偶联闪断时UE的处理系统，其特征在于，所述业务恢复模块还包括超时业务恢复子模块；10. The processing system of UE when SCTP coupling flash disconnection as claimed in claim 9, is characterized in that, described service recovery module also comprises overtime service recovery sub-module; 所述超时业务恢复子模块用于，如果所述SCTP偶联在所述时间L内未恢复，则释放eNB与UE之间的连接，待所述SCTP偶联恢复时，重新建立eNB与UE之间的连接，并恢复UE的业务。The timeout service recovery submodule is used to release the connection between the eNB and the UE if the SCTP coupling is not recovered within the time L, and re-establish the connection between the eNB and the UE when the SCTP coupling is recovered. and restore the service of the UE.
CN2011101843256A 2011-07-01 2011-07-01 Processing method and system of UE (User Equipment) in SCTP (Stream Control Transmission Protocol) coupling flashing process Pending CN102858024A (en)

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PCT/CN2011/079996 WO2012151834A1 (en) 2011-07-01 2011-09-22 Ue processing method and system for intermittent blinking of sctp coupling

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Application publication date: 20130102