WO2013000288A1 - Procédé, dispositif et système de commutation de liaison - Google Patents

Procédé, dispositif et système de commutation de liaison Download PDF

Info

Publication number
WO2013000288A1
WO2013000288A1 PCT/CN2012/071726 CN2012071726W WO2013000288A1 WO 2013000288 A1 WO2013000288 A1 WO 2013000288A1 CN 2012071726 W CN2012071726 W CN 2012071726W WO 2013000288 A1 WO2013000288 A1 WO 2013000288A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission link
primary
bts
bsc
link
Prior art date
Application number
PCT/CN2012/071726
Other languages
English (en)
Chinese (zh)
Inventor
翟军治
朱新峰
王星辉
Original Assignee
中兴通讯股份有限公司
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 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2013000288A1 publication Critical patent/WO2013000288A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/10—Reselecting an access point controller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/04—Interfaces between hierarchically different network devices
    • H04W92/12—Interfaces between hierarchically different network devices between access points and access point controllers

Definitions

  • the present invention relates to the field of communications, and in particular to a link switching method, apparatus, and system.
  • GSM Global System of Mobile Communication
  • the present invention relates to the field of communications, and in particular to a link switching method, apparatus, and system.
  • GSM Global System of Mobile Communication
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • this networking scheme will cause frequent cross-BSC switching, which will also cause frequency resources to be strained and affect subsequent capacity expansion.
  • the other is a scheme for redundant backup of primary and secondary base stations.
  • the primary and secondary base stations are in the same BSC, the frequency sequence is the same, and the coverage area is the same.
  • the primary network uses the shared frequency, and the standby network carrier frequency is not in the state of receiving and receiving messages. When the primary network carrier frequency fails, the standby is activated. Site, working with shared frequencies.
  • this networking solution requires additional resources to double the number of deployed base stations and waste resources. In view of the problem that both networking methods in the related technologies cause waste of resources, no effective solution has been proposed yet.
  • a primary object of the present invention is to provide a link switching method, apparatus, and system that can meet the requirements for high reliability of a communication system and solve the problem of resource waste caused by the related art.
  • a link switching method including: a base station (BTS) is connected to a primary base station controller (BSC) to establish a primary transmission link; and the BTS is connected to a backup BSC to establish a backup transmission chain.
  • BTS determines that the transmission link currently in the active transmission link and the backup transmission link is faulty, and switches the current service to another transmission link for processing.
  • the method further includes: the BTS initializing the primary transmission link and the Determining a state of the transmission link, setting a state of the primary transmission link to an active state, setting a state of the backup transmission link to an inactive state; and selecting, by the BTS, the primary transmission chain in an active state Road to work.
  • the BTS is connected to the primary BSC and the standby BSC, and the BTS is connected to the primary BSC through an abis interface in a primary direction; the BTS is connected to the secondary BSC through a standby abis interface.
  • the BTS determines that the currently active transmission link is faulty, and the method includes: the BTS periodically detecting states of the primary transmission link and the secondary transmission link; and the BTS detects current The transmission link corresponding to the used abis interface is disconnected, and it is determined that the transmission link currently in the working state is faulty.
  • the transmission link of the BTS in the working state is faulty, and after the current service is switched to another transmission link for processing, the method further includes: the BTS synchronously switching the media plane channel and the background maintenance channel.
  • the method further includes: when the BTS switches the current service to the backup transmission link for processing, the BTS detects that there is no service on the backup transmission link within a preset time, and the main The transmission link can transmit data; the BTS reverses the service on the backup transmission link back to the primary link for processing.
  • the method before the BTS is connected to the primary BSC and the standby BSC, the method further includes: the BTS setting a Flex abis switch, when the Flex abis switch is enabled, applying a primary and secondary abis interfaces, and supporting simultaneous connection The master BSC and the standby BSC.
  • a link switching apparatus which is disposed in a base station (BTS), and includes: a primary connection module, configured to connect with a primary base station controller (BSC) to establish a primary transmission link; a connection module, configured to connect with the backup BSC, and establish a backup transmission link; the handover module is configured to determine that the transmission link currently in the active transmission link and the backup transmission link is faulty, and the current service is Switch to another transmission link for processing.
  • BSC primary base station controller
  • the device further includes a detecting module, configured to detect that there is no service on the backup transmission link within a preset time when the current service is switched to the backup transmission link for processing, and the primary transmission chain
  • the circuit is capable of transmitting data; the switching module is further configured to switch the service on the backup transmission link back to the primary link for processing.
  • a link switching system including a base station (BTS), a primary base station controller (BSC), and a standby BSC: the BTS is set to be connected to the primary BSC to establish a primary transmission.
  • the primary BSC is set to The BTS connection is established to establish the primary transmission link; the standby BSC is configured to be connected to the BTS to establish the backup transmission link.
  • the BTS is further configured to detect that there is no service on the backup transmission link within a preset time when the current service is switched to the backup transmission link for processing, and the primary transmission link can transmit Data: The service on the backup transmission link is switched back to the primary link for processing.
  • the BTS is connected to the primary BSC to establish a primary transmission link; the BTS is connected to the secondary BSC to establish a secondary transmission link; and the BTS determines a transmission chain currently in a working state in the primary transmission link and the backup transmission link.
  • the road fails, and the current service is switched to another transmission link for processing. That is, in the embodiment of the present invention, one BTS is connected to two BSCs of the primary BSC and the secondary BSC, and the board-level backup of the BTS is implemented, and the backup of the primary and secondary sites is not required, thereby saving operational investment, and further It can improve the disaster tolerance of the BSC level.
  • FIG. 1 is a flowchart of a process of a link switching method according to an embodiment of the present invention
  • FIG. 2 is a flowchart of a process for setting a Flex abis switch in the background according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a process of performing primary-to-standby transmission configuration in the background according to the first embodiment of the present invention
  • FIG. 4 is a flowchart of initializing the primary and backup links after the initial power-on of the base station according to the first embodiment of the present invention
  • FIG. 5 is a flowchart of processing performed by a base station to perform an abis port link switching process according to Embodiment 1 of the present invention
  • FIG. 6 is a flowchart of a process of switching between a media plane channel and a background operation and maintenance channel according to Embodiment 1 of the present invention
  • FIG. 7 is a flowchart of automatically reverting the primary direction of a base station according to Embodiment 1 of the present invention
  • FIG. 8 is a flowchart of a process of performing a primary-to-standby direction transmission configuration in a background according to Embodiment 2 of the present invention
  • FIG. 9 is a background implementation of Flex in a third embodiment according to an embodiment of the present invention.
  • FIG. 10 is a flowchart of a process for performing primary and backup direction transmission configuration in the background according to Embodiment 3 of the present invention
  • FIG. 11 is a first embodiment of a base station according to Embodiment 3 of the present invention
  • FIG. 12 is a flowchart of a process for performing an abis port link switching process in a base station according to Embodiment 3 of the present invention
  • FIG. 13 is a flowchart according to an embodiment of the present invention.
  • FIG. 14 is a flowchart of a process for switching a base station to automatically return to a primary direction flow;
  • FIG. 14 is a diagram of a link switching device according to an embodiment of the present invention. Species schematic structure;
  • FIG. 15 is a diagram showing the structure of the switching device according to a second embodiment of the present invention, the link;
  • FIG. 16 is a schematic structural link switching system according to an embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
  • the present invention will be described in detail with reference to the accompanying drawings. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.
  • the embodiment of the present invention provides a link switching method, and the processing flow thereof is as shown in FIG. 1 , including: Step S102: The BTS is connected to the primary BSC to establish a primary transmission link; Step S104, BTS and The backup BSC is connected to establish a backup transmission link. Step S106: The BTS determines that the transmission link currently in the active transmission link and the backup transmission link is faulty, and switches the current service to another transmission link for processing.
  • the BTS is connected to the primary BSC to establish a primary transmission link; the BTS is connected to the secondary BSC to establish a secondary transmission link; and the BTS determines a transmission chain currently in a working state in the primary transmission link and the backup transmission link.
  • the road fails, and the current service is switched to another transmission link for processing. That is, in the embodiment of the present invention, one BTS is connected to two BSCs of the primary BSC and the secondary BSC, and the board-level backup of the BTS is implemented, and the backup of the primary and secondary sites is not required, thereby saving operational investment, and further It can improve the disaster tolerance of the BSC level.
  • the base station works under different BSCs and uses the same frequency point configuration, which can improve the subsequent capacity expansion.
  • the following operations may also be performed: The BTS initializes the status of the primary transmission link and the backup transmission link, and The status of the primary transmission link is set to the working state, and the state of the secondary transmission link is set to the non-working state; the BTS selects the active transmission link to work.
  • the BTS can be connected to the primary BSC and the standby BSC in multiple manners, for example, using the wireless network to connect with the primary BSC and the standby BSC, or by using the wired network to connect with the primary BSC and the standby BSC.
  • the BTS includes: The abis interface in the main direction is connected to the primary BSC.
  • the BTS is connected to the standby BSC through the standby abis interface.
  • the primary transmission link corresponding to the abis interface in the BTS direction and the secondary transmission link corresponding to the standby abis interface exist simultaneously. .
  • the BTS can periodically detect the status of the primary transmission link and the backup transmission link in order to determine whether the transmission link currently in the working state is faulty.
  • the BTS detects that the transmission link corresponding to the currently used abis interface is disconnected. Then it is determined that the transmission link that is currently in operation is faulty. In an embodiment, after the BTS is currently in the working state, the transmission link is faulty, and the current service is switched to another transmission link for processing.
  • the BTS also needs to synchronously switch the media plane channel and the background maintenance channel to ensure information. Synchronize updates to ensure the accuracy of subsequent operations.
  • the BTS When the BTS switches the current service to the backup transmission link for processing, the BTS detects that there is no service on the backup transmission link within a preset time, and the primary transmission link can transmit data. The BTS switches the service on the backup transmission link. Go back to the main link for processing.
  • the BTS uses a rewind mechanism to enable as many sites as possible to work on the primary transport link, reducing handovers across the BSC.
  • the BTS before the BTS is connected to the primary BSC and the standby BSC, the BTS includes:
  • the BTS sets the Flex abis switch. When the Flex abis switch is enabled, the active and standby abis interfaces are applied to support the primary BSC and the standby BSC. Use this switch to achieve mutual exclusion with other work of the base station.
  • the purpose of the embodiments of the present invention is to provide a method for performing dynamic switching access according to the abis interface link state and implementing BSC level redundancy backup.
  • This scheme is called Flex abis, that is, the BTS is connected to the primary and backup BSCs at the same time, and the link transmission links are respectively established.
  • Flex abis that is, the BTS is connected to the primary and backup BSCs at the same time, and the link transmission links are respectively established.
  • the technical solution adopted by the link switching method provided by the embodiment of the present invention may include the following steps: Step 1: The base station supports the Flex abis switch setting; Step 2: The base station supports the primary and backup direction transmission configuration, and the primary and backup direction abis port control The link can exist at the same time.
  • Step 3 After the base station is powered on, complete the link establishment process of establishing the abis link with the primary and backup BSCs, and first select the link in the primary direction to initialize the work of the two links.
  • Step 4 The base station periodically detects the status of the active and standby links. If it detects that the currently used abis port is broken and the other link is in the normal state, it switches to another link.
  • Step 5 When the base station performs the abis port link switch, the media plane channel and the background maintenance channel also need to be switched synchronously.
  • Step 6 When the base station works in the standby direction, if it detects that there is no service currently, and the link in the active direction is normal, Then the base station will automatically return to work on the active link.
  • the present invention at least includes the following advantages:
  • the base station has achieved the board-level backup. It does not need to back up the primary and backup sites, saving operational investment. This solution can improve the BSC-level disaster tolerance capability. 2. When the base station works under different BSCs, the same frequency point configuration can be used to improve the subsequent capacity expansion.
  • the automatic rewinding mechanism of the base station can make as many stations work as possible in the main direction and reduce the switching across the BSC.
  • the technical solutions provided by the embodiments of the present invention are described in detail below to further understand the objects, aspects and functions of the embodiments of the present invention, but are not intended to limit the scope of the appended claims.
  • Example 1 In this embodiment, an IP (Internet Protocol) Over El (El-based IP) networking is used as an application scenario, and a link layer uses a Point-to-Point Protocol (PPP).
  • PPP Point-to-Point Protocol
  • the upper layer is the IP network layer
  • the transport layer uses SCTP (Stream Control Transmission Protocol).
  • Step one the Flex abis switch setting is performed in the background.
  • Set to Flex abis to distinguish the common configuration the switch is used to achieve mutual exclusion with other functions of the base station.
  • the configuration process is shown in Figure 2.
  • the BTS will perform the following operations: Step S202: Receive background configuration parameters; Step S204: Switch The value of the field is stored in the database; Step S206: End.
  • Step 2 Perform the primary and backup direction transmission configuration in the background.
  • Step S302 Receive a background parameter configuration
  • Step S304 Configure an E1 port in the primary and backup directions, and configure a PPP link layer bearer based on the E1 port, and configure an IP on the link layer.
  • Step S306 Configure an SCTP control plane link in the primary and backup directions based on the IP layer;
  • Step S308 Configure an operation and maintenance channel in the primary and backup directions based on the IP layer.
  • Step S310 Configure a user plane bearer channel in the primary and backup directions based on the IP layer.
  • Step S312 End.
  • Step 3 Initialization process of the primary and backup links after the initial power-on of the base station.
  • the BTS performs the following operations: Step S402: After the power is turned on, the SCTP link is established with the primary and secondary BSCs respectively.
  • Step S404 Identify the coupling number and the primary and secondary identifiers configured according to each SCTP link. Primary and backup links. Determining whether the SCTP in the primary direction has been established. If the chain has been established, step S406 is performed. Otherwise, step S408 is performed.
  • Step S406 Initializing the active link to an active state, and initializing the alternate direction link to an inactive state.
  • Step S418 Step S408: Determine whether the standby direction SCTP is built. If the chain is already established, go to step S410, otherwise go to step S422; Step S410: Start timer T1; Step S412: If T1 arrives before the time in the main direction If the SCTP is established, step S414 is performed, otherwise step S416 is performed; step S414: killing the timer T1, initializing the active link to the active state, and initializing the alternate direction link to the inactive state, and executing step S418; S416: When the timer T1 expires, the process of switching from the primary link to the standby link is performed.
  • Step S418 Selecting the SCTP coupling in the working state to interact with the BSC, requesting wireless parameter configuration.
  • Step S420 Receive the wireless configuration parameters delivered by the BSC, complete the parameter configuration process;
  • Step S422 End.
  • Step 4 The base station performs an abis port link switching process. Referring to FIG. 5, the BTS will perform the following operations: Step S502: During the detection process, find that the currently used SCTP (a) link is broken; Step S504: determining another link pattern of the SCTP (b).
  • Step S506 If the status is normal, executing step S506, executing step S514; step S506, setting the SCTP (b) link to the working state, and setting SCTP (a) to Step S508: Send an access message to the currently connected BSC using SCTP (b); Step S510: Re-configure the configuration parameter to the BSC, and complete the configuration process; Step S512: Complete the media plane channel and the background maintenance channel Synchronous switching. For the specific switching process, see step 5; Step S514: End. Step 5: The switching process of the media plane channel and the background operation maintenance channel. The media plane and the maintenance plane channel and the same IP index are referenced by the SCTP. The handover process is shown in FIG. 6.
  • Step S602 Determine the current primary and backup directions according to the current coupling number of the SCTP;
  • Step S604 Update the background The configuration parameters of the maintenance plane channel are re-completed to complete the chain-building process between the base station and the background.
  • Step S606 Update the maintenance plane channel parameters, and complete the reconstruction process of the media plane channel by the upper-layer application;
  • Step S608 End.
  • Step 6 The base station automatically reverts back to the main direction flow. If the base station works in the standby direction and detects that the active direction link has returned to normal, and there is no service currently, the base station will automatically switch to the active direction. Referring to FIG.
  • Step S702 Set the primary direction SCTP to the active state and the standby direction SCTP to the inactive state
  • Step S704 Send the access message to the currently connected BSC using the primary SCTP
  • Step S706 Perform a wireless parameter request to the BSC, and complete the configuration process
  • Step S708 Complete the synchronous switching of the media plane channel and the background maintenance channel. For the specific switching process, refer to step 5; Step S710: End.
  • Example two This embodiment uses Ethernet for networking.
  • the bottom layer is the Ethernet link layer
  • the network layer uses the IP protocol
  • the transport layer uses the SCTP protocol.
  • the link status of the Abis interface is based on the continuity of the SCTP link.
  • step two is different from example 1.
  • the execution of step two in this embodiment is as shown in FIG. 8, and includes:
  • Step S810 Based on the IP layer, configure the user plane bearer channel in the primary and backup directions; Step S812: End.
  • Example - the Abis port is accessed by E1, and the control plane link between the base station and the controller uses a Link Access Procedure of D-channel (D-channel access protocol) protocol, in this example.
  • the configuration of the link layer of the control plane and the judgment status of the link state of the abis port are different from those of the first and second examples.
  • the implementation steps of the example are as follows: Step 1: The Flex abis switch is set in the background. Set to Flex abis to distinguish the common configuration, the switch is used to implement mutual exclusion with other functions of the base station.
  • the configuration process is shown in FIG. 9.
  • the BTS will perform the following operations: Step S902: Receive background configuration parameters; Step S904: The value of the switch field is stored in the database; Step S906: End.
  • Step 2 Perform the primary and backup direction transmission configuration in the background.
  • the background In the Flex abis mode, the background must be configured with both the primary and backup E1 ports and the time slot resources used on each port to configure the primary and backup Lapd links.
  • the BTS will perform the following operations: Step S1002: Receive background configuration parameters; Step S1004: Configure the primary and backup direction El ports, and the time slot resources used on each port. Step S1006: Configure the Lapd control plane link in the primary and backup directions based on the E1 port. Step S1008: End.
  • E1 access there is no need to configure the media plane and background maintenance channel, and the media plane data is transmitted in the format of the underlying voice frame.
  • Step 3 Initialization process of the primary and backup links after the initial power-on of the base station. Referring to FIG. 11, the BTS will perform the following operations: Step S1102: After the power is turned on, the Lapd link is established with the primary and secondary BSCs respectively. Step S1104: Identify the link number and the primary and secondary identifiers configured according to each Lapd link. Primary and backup links.
  • step S1106 Determining whether the primary direction of the Lapd has been established, if the chain has been established, step S1106 is performed, otherwise step S1108 is performed; Step S1106: initializing the active link to the active state, and initializing the alternate direction link to the non-working state; S1108: determining whether the standby direction Lapd is built.
  • step S1110 is performed, otherwise step S1122 is performed; step S1110: starting timer T1; step S1112: if T1 is in the main direction before L1 is established, Step S1114 is performed, otherwise step S1116 is performed; Step S1114: Killing the timer T1, and initializing the active link to the active state, and initializing the alternate direction link to the non-operating state; Step S1116: Executing the timer T1
  • Step S1118 The Lapd link in the working state is selected to interact with the BSC to apply for wireless parameter configuration.
  • Step S1120 Receive the BSC delivery The wireless configuration parameters complete the parameter configuration process; Step S1122: End. Step 4: The base station performs an abis port link switching process.
  • the BTS will: Step S1202: During the detection process, find that the currently used Lapd (a) link is broken; Step S1204: Determine another link of the Lapd (b), and if the status is normal, perform the steps.
  • Step S1206 setting the link to an active state, setting Lapd (a) to a non-operating state
  • Step S1208 transmitting an access message to the currently connected BSC using Lapd (b)
  • Step S1210 Re-configure the configuration parameters to the BSC and complete the configuration process
  • Step S1212 End.
  • the switching between the media plane and the background maintenance channel is not required, because there is no related configuration.
  • Step 5 The base station automatically reverts back to the main direction flow. If the base station works in the standby direction and detects that the active direction link has returned to normal, and there is no service currently, the base station will automatically switch to the active direction.
  • an embodiment of the present invention further provides a link switching apparatus, which is disposed in a base station (BTS), and has a structural schematic diagram as shown in FIG. 14, including: a primary connection module 1401, configured to be connected to a primary base station controller.
  • the link switching device further includes a detecting module 1501, which is respectively connected to the main connecting module 1401 and the standby connecting module 1402, and is configured to switch the current service to the standby transmission link.
  • an embodiment of the present invention further provides a link switching system, which is shown in FIG. 16 and includes a base station (BTS) 1601, a primary base station controller (BSC) 1602, and a standby BSC 1603:
  • BTS base station
  • BSC primary base station controller
  • the BTS 1601 is configured to be connected to the primary BSC 1602 to establish a primary transmission link; to connect with the secondary BSC 1603 to establish a secondary transmission link; to determine that the transmission link in the working state is faulty, and to switch the current service to another transmission link.
  • the upper BSC 1602 is set to be connected to the BTS 1601 to establish a primary transmission link
  • the secondary BSC 1603 is set to be connected to the BTS 1601 to establish a backup transmission link.
  • the BTS 1601 is further configured to detect that there is no service on the backup transmission link within a preset time when the current service is switched to the backup transmission link for processing, and the primary transmission link can transmit data. The service on the backup transmission link is switched back to the primary link for processing.
  • the BTS is connected to the primary BSC to establish a primary transmission link; the BTS is connected to the secondary BSC to establish a secondary transmission link; It is determined that the transmission link currently in the active transmission link and the backup transmission link is faulty, and the current service is switched to another transmission link for processing. That is, in the embodiment of the present invention, one BTS is connected to two BSCs of the primary BSC and the secondary BSC, and the board-level backup of the BTS is implemented, and the backup of the primary and secondary sites is not required, thereby saving operational investment, and further It can improve the disaster tolerance of the BSC level.
  • the base station works under different BSCs and uses the same frequency point configuration, which can improve the subsequent capacity expansion.
  • the above modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
  • they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the invention is not limited to any specific combination of hardware and software.

Landscapes

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

Abstract

L'invention concerne un procédé, un dispositif et un système de commutation de liaison. Le procédé consiste à : connecter un BTS à un BSC actif et établir une liaison de transmission active ; connecter le BTS à un BSC de secours et établir une liaison de transmission de secours ; et déterminer, au moyen du BTS, qu'une défaillance se produit dans une liaison de transmission actuellement dans un état de fonctionnement dans la liaison de transmission active et la liaison de transmission de secours, et commuter des services courants vers l'autre liaison de transmission en vue d'un traitement. La présente invention permet à la fois de satisfaire les exigences de fiabilité élevée des systèmes de communication et de résoudre le problème de gaspillage de ressources dans les technologies pertinentes.
PCT/CN2012/071726 2011-06-29 2012-02-28 Procédé, dispositif et système de commutation de liaison WO2013000288A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110179641.4 2011-06-29
CN2011101796414A CN102857951A (zh) 2011-06-29 2011-06-29 链路切换方法、装置及系统

Publications (1)

Publication Number Publication Date
WO2013000288A1 true WO2013000288A1 (fr) 2013-01-03

Family

ID=47404068

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2012/071726 WO2013000288A1 (fr) 2011-06-29 2012-02-28 Procédé, dispositif et système de commutation de liaison

Country Status (2)

Country Link
CN (1) CN102857951A (fr)
WO (1) WO2013000288A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014178480A1 (fr) * 2013-04-30 2014-11-06 인텔렉추얼디스커버리 주식회사 Lunettes intégrales et procédé permettant de fournir des signaux audio au moyen de celles-ci

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104602285B (zh) * 2014-12-31 2019-01-08 华为技术有限公司 一种容灾方法及设备
CN109413681A (zh) * 2018-12-14 2019-03-01 安徽中船璞华科技有限公司 一种基于GSm-R无线通信设备的数据采集系统
CN113364639B (zh) * 2020-03-03 2023-09-08 成都鼎桥通信技术有限公司 一种小站的传输链路切换方法、系统及装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1716832A (zh) * 2004-06-30 2006-01-04 华为技术有限公司 一种码分多址系统及基于该码分多址系统的软切换方法
CN1984424A (zh) * 2006-04-16 2007-06-20 华为技术有限公司 移动通信网络中的双网备份的方法和系统
CN101415195A (zh) * 2008-11-24 2009-04-22 华为技术有限公司 通信方法、装置和系统
US20110128890A1 (en) * 2009-12-01 2011-06-02 Spidercloud Wireless, Inc. Method, system and device for configuring topology of a wireless network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU4244197A (en) * 1996-08-30 1998-03-19 Qualcomm Incorporated Method and apparatus for decoupling capacity from coverage in a wireless system
JP4120903B2 (ja) * 1999-03-19 2008-07-16 富士通株式会社 ワイヤレス・ローカル・ループ・システム及び無線回線制御方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1716832A (zh) * 2004-06-30 2006-01-04 华为技术有限公司 一种码分多址系统及基于该码分多址系统的软切换方法
CN1984424A (zh) * 2006-04-16 2007-06-20 华为技术有限公司 移动通信网络中的双网备份的方法和系统
CN101415195A (zh) * 2008-11-24 2009-04-22 华为技术有限公司 通信方法、装置和系统
US20110128890A1 (en) * 2009-12-01 2011-06-02 Spidercloud Wireless, Inc. Method, system and device for configuring topology of a wireless network

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014178480A1 (fr) * 2013-04-30 2014-11-06 인텔렉추얼디스커버리 주식회사 Lunettes intégrales et procédé permettant de fournir des signaux audio au moyen de celles-ci

Also Published As

Publication number Publication date
CN102857951A (zh) 2013-01-02

Similar Documents

Publication Publication Date Title
RU2769279C1 (ru) Обработка отказов главной группы сот главным узлом
JP5894185B2 (ja) セッション・レジリエンスのためのプール内のモバイルゲートウェイ
CN103744809B (zh) 基于vrrp的车辆信息管理系统双机热备方法
CN111093286A (zh) 连接建立方法、装置、集合接入回传节点及存储介质
EP3764693B1 (fr) Procédé et appareil de transfert
CN101120600B (zh) 在多模移动终端中切换后释放链路连接的方法以及终端
CN101257405B (zh) 主从设备间双链路的实现方法
CN104349389A (zh) 用于建立无线承载的方法和装置
WO2016122367A1 (fr) Nœuds de réseau et procédés qui s'y exécutent pour un transfert intercellulaire en connectivité double
JP2008535352A (ja) 回線交換（ｃｓ）リソース及びパケット交換（ｐｓ）リソースの結合ハンドオーバ
CN101150767A (zh) 无线通讯系统处理无线链接失败的方法及其相关装置
WO2018058618A1 (fr) Procédé et dispositif de traitement de défaillance
JP2004032728A (ja) Ｓｒｎｓ再配置期間のｒｌｃエンティティ再構築時期を決定する方法
CN101951616A (zh) 无线控制器的切换方法、系统及设备
US8045972B2 (en) Multimode wireless radio access network with distributed processing
CN103096404A (zh) 支持组切换的方法及设备
CN110351790A (zh) 基于双连接的通信切换方法及装置
WO2013000288A1 (fr) Procédé, dispositif et système de commutation de liaison
WO2022016473A1 (fr) Procédé de communication et appareil de communication pour un système d'accès et de liaison terrestre intégré (iab)
CN102647304A (zh) 地址解析协议表的同步方法及装置
CN101989953A (zh) 双向转发检测报文的发送方法及设备
WO2004093481A1 (fr) Systeme mobile de communication, station de base radio comportant le dispositif de commande du systeme, et procede de commande associe
WO2006053499A1 (fr) Procede de detection et de reprise d'une liaison de maintenance
CN102685781A (zh) 主备时间源自动保护倒换方法
WO2023167121A1 (fr) Système de communication

Legal Events

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

Ref document number: 12803568

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: 12803568

Country of ref document: EP

Kind code of ref document: A1