WO2012167435A1 - Procédé et appareil de transfert intercellulaire sans pertes - Google Patents

Procédé et appareil de transfert intercellulaire sans pertes Download PDF

Info

Publication number
WO2012167435A1
WO2012167435A1 PCT/CN2011/075556 CN2011075556W WO2012167435A1 WO 2012167435 A1 WO2012167435 A1 WO 2012167435A1 CN 2011075556 W CN2011075556 W CN 2011075556W WO 2012167435 A1 WO2012167435 A1 WO 2012167435A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
data
data processing
processing rule
handover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/075556
Other languages
English (en)
Chinese (zh)
Inventor
柯宏
李玲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CN201180001127XA priority Critical patent/CN102265674A/zh
Priority to PCT/CN2011/075556 priority patent/WO2012167435A1/fr
Publication of WO2012167435A1 publication Critical patent/WO2012167435A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/02—Buffering or recovering information during reselection ; Modification of the traffic flow during hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and apparatus for lossless handover. Background technique
  • the handover refers to the mobile terminal moving from one base station coverage cell to another, and the signal strength of the target cell will gradually increase due to distance or other reasons, in order to obtain Better signal quality and also the process of changing the mobile terminal to a better target cell to ensure business continuity.
  • the HO is an important function in the wireless communication technology to support mobility management, which ensures that the terminal can provide better signal quality and ensure continuity of services when the wireless channel changes.
  • HO DI Handover Data Integrity
  • the HO DI is essentially in the handover execution phase, the source base station stops transmitting air interface data to the mobile terminal and buffers it, and returns the buffered mobile terminal air interface data to the target base station to ensure that the data of the mobile terminal during the handover process is not lost.
  • the air interface data buffered by the source base station may be data that has been processed by the source base station and is waiting to be sent in the air interface.
  • the source base station re-decodes the data that is transmitted back to the target base station, and then sends the data back to the target base station.
  • the target base station After receiving the data, the target base station performs the backhaul data. After being processed by compression, it is sent to the terminal.
  • a main object of embodiments of the present invention is to provide a method and apparatus for lossless handover that can effectively improve the performance of lossless handover.
  • a method of lossless switching comprising:
  • a method of lossless switching comprising:
  • a base station comprising:
  • a sending unit configured to send, to the target base station, an indication message of a data processing rule used by the base station;
  • a base station configured to perform compression processing on the service data of the handover terminal according to the data processing rule;
  • the sending unit is further configured to send, to the target base station, the service data that is compressed according to the data processing rule.
  • a base station comprising:
  • a mobile terminal configured to receive an indication message of a data processing rule used by the source base station by the source base station, and receive service data of the handover terminal sent by the source base station, where the service data is in accordance with the data processing rule
  • the compression process is performed; the service data subjected to the compression process is sent to the handover terminal.
  • a mobile terminal includes:
  • a receiving unit a data processing rule for receiving service data sent by the target base station, and service data compressed according to the data processing rule
  • the source base station when performing lossless handover, sends its used data processing rule to the target base station, so that the source base station controls the handover terminal.
  • the service data is compressed, it is not necessary to perform inverse processing such as decompression on the service data, and the data can be directly sent to the target base station, and the target base station does not need to perform compression processing on the received data again, and can directly receive the data.
  • the data is sent to the handover terminal. Therefore, the computing resources of the source base station and the target base station are saved, and the performance of the lossless handover is effectively improved.
  • FIG. 1 is a flowchart of a method for lossless handover according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a method for lossless handover according to an embodiment of the present invention
  • FIG. 3 is a flowchart of a method for lossless handover according to an embodiment of the present invention.
  • FIG. 4 is a specific flowchart of a method for lossless handover according to an embodiment of the present invention
  • FIG. 5 is a structural block diagram of a base station 1 according to an embodiment of the present invention
  • FIG. 6 is a structural block diagram of a base station 2 according to an embodiment of the present invention.
  • FIG. 7 is another structural block diagram of a base station 2 according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram of a mobile terminal according to an embodiment of the present invention. detailed description
  • the mobile terminal performing cell handover is referred to as a handover terminal, and the handover terminal switches from the cell covered by the source base station to the cell covered by the target base station.
  • a method for lossless handover provided by an embodiment of the present invention, based on a source base station, includes:
  • Step 11 Send an indication message of a data processing rule used by the source base station to the target base station.
  • the source base station stops transmitting air interface service data to the handover terminal and buffers it during the handover execution phase. After the source base station and the target base station establish a data return transmission channel, the source base station returns the buffered service data. After the handover is completed, the target base station sends the service data returned by the source base station to the handover terminal to ensure that the data of the handover terminal during the handover process is not lost.
  • the processing rule is processed by the target base station, so that the data processing rule used by the source base station is known by the target base station, so that the data processing rule used by the source base station is known by the target base station.
  • the source base station returns data to the target base station, it does not need to perform inverse processing such as decompression on the data that has been processed by compression, and the like, and can directly send the data to the target base station, and the target base station does not need to return the source base station again.
  • the data is compressed and can be directly sent to the handover terminal, which effectively saves the computing resources of the source base station and the target base station, and effectively improves the performance of the lossless handover.
  • the source base station may carry a data processing rule of the service data of the switching terminal in the handover request (HO_Req) message sent to the target base station to the target base station, where the data of the service data of the terminal is switched by using the handover request The processing rule is notified to the target base station.
  • the source base station may also send the data processing rule to the target base station by using other methods, for example, directly sending the indication message of the data processing rule to the target base station.
  • the data processing rule may be a Payload Header Suppression (PRS) rule or a ROHC (Robust Header Compression) rule.
  • the indication message of the PHS rule may include: PHSI (PHS Index, PHS index), PHSF (PHS Field, PHS domain), PHSM (PHS Mask, PHS mask), PHS S (PHS Size, PHS size), HSV (PHS Valid, PHS valid bit), PHS Rule Action (PHS rule action) and other parameters.
  • Step 12 Send service data of the handover terminal to the target base station, where the service data is compressed according to the data processing rule.
  • the data that the source base station sends to the target base station to the target base station is the air interface service data of the switching terminal buffered by the source base station in the handover execution phase, and the data has been used by the source base station according to the The data processing rules are compressed.
  • the source base station sends the service data of the handover terminal to the target base station to the target base station, and sends the service data to the target base station to the handover terminal by the target base station, so as to ensure that the data of the handover terminal during the handover process is not lost.
  • the method for lossless handover provided by the embodiment of the present invention, when performing lossless handover, the source base station sends the data processing rule used by the source base station to the target base station, so that the number of services of the source terminal station to the handover terminal According to the compression processing, it is not necessary to perform inverse processing such as decompression on the service data, and the data can be directly sent to the target base station, and the target base station does not need to perform compression processing on the received data again, and can directly receive the received data. The data is sent to the handover terminal. Therefore, the computing resources of the source base station and the target base station are saved, and the performance of the lossless handover is effectively improved.
  • the embodiment of the present invention further provides a method for lossless handover, based on a target base station, including:
  • Step 21 Receive an indication message of a data processing rule used by the source base station sent by the source base station.
  • the target base station receives the indication message of the data processing rule used by the source base station to learn the data processing rule used by the source base station to transmit the service data of the handover terminal to the target base station.
  • the target base station receives the handover request message sent by the source base station, where the switch request message carries the data processing rule used by the active base station.
  • the data processing rule includes: a load header compression PHS rule or a robust header compression ROHC rule.
  • the indication message of the PHS rule may include: PHSI, PHSF, PHSM, PHSS, HSV, PHS Rule Action and the like.
  • Step 22 Receive service data of the handover terminal sent by the source base station, where the service data is compressed according to the data processing rule.
  • the target base station receives the service data of the handover terminal that is buffered by the source base station during the handover execution process, and the service data is compressed by the source base station according to the data processing rule.
  • the reduced processed service data is sent to the switching terminal.
  • the switching terminal can learn the data processing rule, and decompress the service data compressed according to the data processing rule.
  • the target base station does not need to perform re-compression processing on the received service data, and directly sends the service data to the handover terminal, so that the handover terminal is guaranteed to be switched.
  • the data in the process is not lost, and the computing resources of the target base station are saved, which effectively improves the performance of lossless handover.
  • the communication between the target base station and the handover terminal may be performed according to the data processing rule used by the source base station, that is, after step 23, the target base station will follow the And the data processing rule is: performing compression processing on the downlink data to be sent to the handover terminal, and performing decompression processing on the uplink data sent by the handover terminal.
  • the embodiment of the present invention further provides a method for lossless handover, based on the handover terminal, including:
  • Step 31 Receive data processing rules of service data sent by the target base station and service data compressed according to the data processing rule.
  • the target base station sends the service data of the handover terminal that is buffered by the source base station during the handover execution to the handover terminal, and ensures that the data of the handover terminal during the handover process is not lost. Moreover, the target base station notifies the switching terminal of the data processing rule used by the data, and the switching terminal decompresses the service data compressed according to the data processing rule to ensure the reliability of the data communication. .
  • the data processing rule includes: a load header compression PHS rule or a robust header compression ROHC rule.
  • the indication message of the PHS rule may include: PHSI, PHSF, PHSM, PHSS, HSV, PHS Rule Action and the like.
  • Step 32 Perform decompression processing on the received service data according to the data processing rule.
  • the handover terminal may directly receive the data processing rule according to the data processing rule, and perform decompression processing on the received service data. Therefore, when performing lossless handover, the source base station may The data processing rule used by the source station is sent to the target base station, and after the source base station compresses the service data of the handover terminal, the source base station does not need to perform the service data again.
  • the inverse processing such as decompression can directly transmit the data to the target base station, and the target base station does not need to perform compression processing on the received data again, and can directly send the received data to the handover terminal, thereby saving the source base station and The computing resources of the target base station effectively improve the performance of lossless handover.
  • the communication between the target base station and the handover terminal may be performed according to the data processing rule used by the source base station, that is, after the step 32, the handover terminal will follow the
  • the data processing rule performs decompression processing on the downlink data sent by the target base station, and performs compression processing on the uplink data to be sent to the target base station. Further details are given.
  • Path O is a data channel between an access service network gateway (ASN-GW) and a source base station SBS (Serving Base Station);
  • Path 1 is the data return channel between the ASN-GW and the target base station TBS (Target Base Station). It exists during the handover process and is removed after the data backhaul is completed.
  • Path 2 is the data return channel between the ASN-GW and the SBS. , exists during the handover process, and is removed after the data backhaul is completed;
  • Path 3 is the data channel between the ASN-GW and the TBS.
  • this embodiment includes the following steps:
  • the mobile terminal MS Mobile Station
  • the handover terminal that performs the cell handover sends a handover request MOB_MSHO-REQ message to the SBS, and triggers the preparation for handover;
  • the SBS sends a handover request HO_Req message to each candidate TBS through the ASN-GW. If the SBS supports data integrity DI, the HO-Req message indicates the DI capability of the SBS, and if the PHS of the SBS is enabled, the HO-Req message
  • the PHS rule indicating the MS service flow includes: PHSI, PHSF, PHSM, PHSS, PHSV, PHS Rule Action and the like;
  • the TBS After receiving the HO_Req message, the TBS initiates the Path3 data path DP (Data Path) pre-establishment process to the ASN-GW, and sends the data channel pre-establishment to the ASN-GW.
  • Request Path-Prereg-Req message and negotiate DI capability in the process; if TBS can support PHS, Path3 will directly use the PHS rule of SBS;
  • ASN-GW negotiates the capability support information of DI according to SBS, TBS and itself Only three of them support DI, and at least one kind of DI mode that is supported together, the system is judged to support DI;
  • the TBS pre-establishes the response Path-Prereg-Rsp message through the data channel of the ASN-GW to obtain the handover response HO-Rsp message to the SBS through the ASN-GW, and carries the DI negotiation result; the SBS returns the handover response to the MS.
  • the TBS initiates a pre-established return data path Pathl to the ASN-GW;
  • the ASN-GW triggers the establishment of the backhaul tunnel Path2 between the ASN-GW and the SBS to the SBS; the backhaul tunnels Pathl and Path2 are pre-established.
  • the SBS starts to return the air interface data of the cached MS to the TBS.
  • the TBS can directly forward the backhaul data in the air interface, and does not need to perform PHS compression processing again.
  • the data returned by the SBS first arrives at the ASN-GW through Path2, and is sent to the candidate TBS by the ASN-GW through Path2;
  • Steps 1 to 6 above are the preparation preparation phase
  • the MS sends a handover indication MOB_HO-IND message to the SBS, indicating the selected TBS; the SBS sends a handover confirmation HO_Cnf message to the TBS;
  • the TBS saves relevant information, and sends a handover confirmation HO_Ack message to the SBS;
  • the MS completes the re-entry network at the TBS
  • the TBS will send the PHS rule and the corresponding service flow information obtained from the SBS to the MS, so that after the TBS re-enters the network, the MS can still perform the decompression processing on the downlink data according to the new PHS rule, and perform the uplink data on the uplink data.
  • Compression processing 10 TBS, ASN-GW trigger Path3 registration process; ASN-GW stops sending data to SBS, and switches data channel to selected TBS;
  • Steps 7 to 10 above are the switching execution phase
  • the TBS After completing the Path3 registration process between the ASN-GW and the TBS, the TBS sends a handover complete HO_Complete message to the SBS, confirming that the MS has entered the network in the TBS;
  • the SBS After receiving the HO_Complete message, the SBS returns a handover confirmation HO_Ack message to the TBS, and the SBS waits for the backhaul data transmission to complete, and then clears the context of the MS;
  • the TBS judges that the data back is over, and initiates a request to the ASN-GW to delete the backhaul data channel Pathl;
  • the ASN-GW After receiving the Path 1 deletion request sent by the TBS, the ASN-GW sends a request to the SBS to delete the backhaul data channel Path2; the SBS deletes the related resources of the backhaul data channel Path 2;
  • the ASN-GW After the Path3 registration between the TBS and the ASN-GW is successful, the ASN-GW initiates the deletion of the PathO to the SBS.
  • the above steps 11 to 15 are the completion stages of the handover.
  • an embodiment of the present invention further provides a base station 1 , which may be used as a source base station in a method embodiment, and includes:
  • the sending unit 101 is configured to send, to the target base station, an indication message of a data processing rule used by the base station 1;
  • the processing unit 102 is configured to perform compression processing on the service data of the handover terminal according to the data processing rule.
  • the sending unit 101 is further configured to send, to the target base station, the service data that is processed by the processing unit 102 according to the data processing rule.
  • the base station 1 sends the data processing rule used by the base station 1 to the target base station when performing the lossless handover, and does not perform inverse processing such as decompression on the service data, and directly performs the data processing rule according to the data processing rule.
  • the compressed data is sent to the target base station, so that the target base station does not need to perform processing such as compression on the received data again, and the received data can be directly sent to the handover terminal, thereby saving computing resources of the base station 1 and the target base station. , effectively improve the performance of lossless switching.
  • the data processing rule may include a load header compression PHS rule or a robust header compression ROHC rule.
  • the sending unit 101 is specifically configured to send a handover request message to the target base station, where the switch request message carries a data processing rule used by the base station 1.
  • the embodiment of the present invention further provides a base station 2, which can be used as a target base station in the method embodiment, and includes:
  • the receiving unit 201 is configured to receive, by the source base station, an indication message of a data processing rule used by the source base station, and receive service data of the handover terminal sent by the source base station, where the service data is processed according to the data
  • the rules are compressed;
  • the sending unit 202 is configured to send the data processing rule and the service data that is compressed according to the data processing rule to the switching terminal.
  • the base station 2 provided by the embodiment of the present invention does not need to perform re-compression processing on the service data sent by the received source base station, and directly sends the data processing rule and the data processing rule to the target base station to the handover terminal, so that The data of the handover terminal during the handover process is not lost, and the computing resources of the base station 2 are saved, thereby effectively improving the performance of the lossless handover.
  • the data processing rule may include a load header compression PHS rule or a robust header compression ROHC rule.
  • the receiving unit 201 is specifically configured to receive a handover request message sent by the source base station, where the handover request message carries a data processing rule used by the active base station.
  • the base station 2 may further include a processing unit 203, configured to perform compression processing on downlink data to be sent to the handover terminal according to the data processing rule, and send uplink to the handover terminal. The data is decompressed.
  • a processing unit 203 configured to perform compression processing on downlink data to be sent to the handover terminal according to the data processing rule, and send uplink to the handover terminal. The data is decompressed.
  • an embodiment of the present invention further provides a mobile terminal, which can be used as a handover terminal in the method embodiment, and includes:
  • the receiving unit 301 is configured to receive an indication message of a data processing rule of the service data sent by the target base station, and service data that is compressed according to the data processing rule;
  • the processing unit 302 is configured to perform decompression processing on the received service data according to the data processing rule.
  • the mobile terminal provided by the embodiment of the present invention can directly receive the data processing rule of the service data and the service data that is compressed according to the data processing rule, and solve the received service data according to the data processing rule.
  • the compression process is performed. Therefore, when performing the lossless handover, the source base station may send the data processing rule used by the source base station to the target base station. After the source base station compresses the service data of the handover terminal, the source base station does not need to perform the service data again.
  • the inverse processing such as decompression can directly transmit the data to the target base station, and the target base station does not need to perform compression processing on the received data again, and can directly send the received data to the handover terminal, thereby saving the source base station and The computing resources of the target base station effectively improve the performance of lossless handover.
  • the data processing rule may include a load header compression PHS rule or a robust header compression ROHC rule.
  • processing unit 302 is further configured to perform decompression processing on the downlink data sent by the target base station according to the data processing rule, and perform compression processing on the uplink data to be sent to the target base station.
  • the embodiments of the present invention are particularly applicable to the global microwave interconnection access WiMAX. (Global Interoperability for Microwave Acces)
  • the HO DI function in the network is also applicable to the HO DI function in the Long Term Evolution (LTE) network, and is also applicable to other wireless networks, which is not limited by the present invention.
  • LTE Long Term Evolution

Landscapes

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

Abstract

Les modes de réalisation de la présente invention concernent un procédé et un appareil de transfert intercellulaire sans pertes, et concernent le domaine technique des communications, afin d'améliorer réellement l'exécution du transfert intercellulaire sans pertes. Le procédé de transfert intercellulaire sans pertes comprend : la transmission d'un message d'indication indiquant les règles de traitement de données adoptées par une station de base de source (BS) à une BS cible ; et la transmission des données de service du terminal effectuant le transfert intercellulaire à la BS cible, les données de service étant compressées sur la base des règles de traitement de données. La présente invention est applicable à un système de communication sans fil.
PCT/CN2011/075556 2011-06-10 2011-06-10 Procédé et appareil de transfert intercellulaire sans pertes Ceased WO2012167435A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201180001127XA CN102265674A (zh) 2011-06-10 2011-06-10 一种无损切换的方法和装置
PCT/CN2011/075556 WO2012167435A1 (fr) 2011-06-10 2011-06-10 Procédé et appareil de transfert intercellulaire sans pertes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2011/075556 WO2012167435A1 (fr) 2011-06-10 2011-06-10 Procédé et appareil de transfert intercellulaire sans pertes

Publications (1)

Publication Number Publication Date
WO2012167435A1 true WO2012167435A1 (fr) 2012-12-13

Family

ID=45010623

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/075556 Ceased WO2012167435A1 (fr) 2011-06-10 2011-06-10 Procédé et appareil de transfert intercellulaire sans pertes

Country Status (2)

Country Link
CN (1) CN102265674A (fr)
WO (1) WO2012167435A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12308982B2 (en) 2019-06-04 2025-05-20 Huawei Technologies Co., Ltd. Method and apparatus for indicating fault status

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104703230A (zh) * 2013-12-09 2015-06-10 中兴通讯股份有限公司 一种基于鲁棒性头压缩协议的切换方法、设备和系统
CN108347750A (zh) * 2017-01-25 2018-07-31 电信科学技术研究院 一种保持udc功能连续性的方法及设备
EP3836574B1 (fr) * 2018-08-07 2026-01-07 Beijing Xiaomi Mobile Software Co., Ltd. Procédé et dispositif de transmission d'informations
CN114258091A (zh) * 2020-09-23 2022-03-29 上海诺基亚贝尔股份有限公司 数据无损失切换

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1454425A (zh) * 2000-07-27 2003-11-05 艾利森电话股份有限公司 在移动数据通信网络中切换期间报头压缩关系控制的一种方法
CN1859768A (zh) * 2006-01-24 2006-11-08 华为技术有限公司 通信网络中用户终端在接入网间进行切换的方法
CN101283620A (zh) * 2005-10-10 2008-10-08 日本电气株式会社 蜂窝通信网络切换期间和之后的头部压缩优化方法
CN101755428A (zh) * 2007-07-18 2010-06-23 高通股份有限公司 静态和半静态压缩上下文传输

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1454425A (zh) * 2000-07-27 2003-11-05 艾利森电话股份有限公司 在移动数据通信网络中切换期间报头压缩关系控制的一种方法
CN101283620A (zh) * 2005-10-10 2008-10-08 日本电气株式会社 蜂窝通信网络切换期间和之后的头部压缩优化方法
CN1859768A (zh) * 2006-01-24 2006-11-08 华为技术有限公司 通信网络中用户终端在接入网间进行切换的方法
CN101755428A (zh) * 2007-07-18 2010-06-23 高通股份有限公司 静态和半静态压缩上下文传输

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12308982B2 (en) 2019-06-04 2025-05-20 Huawei Technologies Co., Ltd. Method and apparatus for indicating fault status

Also Published As

Publication number Publication date
CN102265674A (zh) 2011-11-30

Similar Documents

Publication Publication Date Title
CN111083750B (zh) 一种移动切换方法及相关设备
CN103329597B (zh) 用于提供改进的切换操作的方法、装置
CN103313325B (zh) 切换方法及装置、数据处理方法及装置
CN113841442B (zh) 在有条件切换中可选地发送完成消息
TW202215898A (zh) Ue到網路中繼系統中中繼和遠端ue的條件切換
US7747252B2 (en) Method and system for handover negotiation optimization for wireless system
WO2010037306A1 (fr) Procédé, système et dispositif en réseau pour le traçage à l'échelon d'un réseau utilisateur
CN103428788A (zh) 一种数据转发的方法、设备及通讯系统
CN106211244B (zh) 一种实现蜂窝网络重定位的方法和基站
WO2012089033A1 (fr) Procédé, système et appareil de transmission et d'acquisition pour message de préparation au rétablissement
EP2138005A2 (fr) Procédé, appareil et progiciel pour réacheminement de données au transfert cellulaire
WO2012167435A1 (fr) Procédé et appareil de transfert intercellulaire sans pertes
CN101577950B (zh) 基于小区预估的越区切换增强方法
JP2023099609A (ja) 処理方法及び通信機器
CN104823485B (zh) 一种双连接下的通信方法、基站和用户设备
US9578677B2 (en) Method and apparatus for management of cellular connections
WO2011140995A1 (fr) Procédé, appareil et système permettant un traitement d'informations
CN102084691B (zh) 用于无线网络中组切换的方法和设备
CN115708383A (zh) 基于多模态业务的小区切换方法及相关装置
CN101621838B (zh) 网络侧处理切换的方法及装置
CN102378294A (zh) 一种双模rnc内ps业务系统间切换的方法及装置
CN107959953A (zh) 跨接窄带物联网基站的rrc连接恢复方法、基站、终端和系统
CN115412986B (zh) 基于终端指示的数据转发方法、系统、设备及存储介质
JP6794778B2 (ja) 基地局及び通信方法
CN101583123B (zh) 分组域系统间的切换方法、装置及系统

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 201180001127.X

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 11867541

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 11867541

Country of ref document: EP

Kind code of ref document: A1