WO2013182121A1 - Procédé et système de commutation de réseau local sans fil - Google Patents

Procédé et système de commutation de réseau local sans fil Download PDF

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Publication number
WO2013182121A1
WO2013182121A1 PCT/CN2013/079258 CN2013079258W WO2013182121A1 WO 2013182121 A1 WO2013182121 A1 WO 2013182121A1 CN 2013079258 W CN2013079258 W CN 2013079258W WO 2013182121 A1 WO2013182121 A1 WO 2013182121A1
Authority
WO
WIPO (PCT)
Prior art keywords
terminal
handover
traveling state
wlan
access network
Prior art date
Application number
PCT/CN2013/079258
Other languages
English (en)
Chinese (zh)
Inventor
姜承志
刘亮
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 WO2013182121A1 publication Critical patent/WO2013182121A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/32—Reselection being triggered by specific parameters by location or mobility data, e.g. speed data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H04W36/1446—Reselecting a network or an air interface over a different radio air interface technology wherein at least one of the networks is unlicensed
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a method and system for switching a wireless local area network. Background technique
  • the operator hopes that the terminal can make maximum use of the WLAN network.
  • the terminal can automatically switch the WLAN network according to predetermined trigger conditions.
  • the coverage of an access point AP is generally several tens of meters.
  • the WLAN network does not support the seamless handover between different APs, that is, the terminal is on the previous AP. When it is used normally, it may not work properly when switching to the next AP. Therefore, if the terminal is in a mobile state on a bus or a private car, it will often be unable to connect to the WLAN network or if the WLAN network is connected frequently, and the line is frequently dropped. At this time, the user switches to the WLAN network and interferes with the user's use of 2G/3G. Internet access, so it affects the user's online experience.
  • an embodiment of the present invention provides a method and system for switching a wireless local area network, which can help the operator to reduce the data pressure of the cellular network to the maximum while ensuring the user's online experience.
  • an embodiment of the present invention provides a method for switching a wireless local area network, where the method includes: The terminal initiates a handover from the current access network to the wireless local area network WLAN;
  • the terminal determines whether the terminal is currently in a traveling state
  • the handover to the WLAN is terminated.
  • the current access network is a cellular network access network.
  • the terminal initiates a handover from the current access network to the WLAN, and includes any one of the following modes: a) the terminal periodically initiates a handover from the current access network to the WLA;
  • the terminal initiates a handover from the current access network to the WLAN after detecting that the terminal enters the coverage area of the predetermined WLAN;
  • the terminal initiates a handover from the current access network to the WLAN after detecting that the Internet traffic is generated.
  • the step of the terminal determining whether the terminal is currently in a traveling state includes: determining, by the terminal, whether the terminal is in a traveling state according to a change of a cell camped in the latest time period:
  • the terminal is determined to be in a traveling state; for example, the frequency of the cell handover or the cell handover does not occur in the latest time period of the terminal is less than or equal to the preset. If the value of the gateway is switched, it is determined that the terminal is not in a traveling state; wherein the cell in which the terminal resides is a cellular network cell.
  • the step of the terminal determining whether the terminal is currently in a traveling state includes: determining, by the terminal, whether the terminal is in a traveling state according to an average acceleration in a recent period of time:
  • an embodiment of the present invention further provides a system for switching a wireless local area network, where the system includes:
  • a handover initiation module configured to initiate a handover of the terminal from the current access network to the wireless local area network WLAN;
  • a judging module configured to determine whether the terminal is currently in a traveling state
  • a switching processing module configured to determine, at the determining module, that the terminal is currently in a traveling state In the state, the handover of the terminal to the WLAN is terminated.
  • the current access network of the terminal is a cellular network access network.
  • the handover initiation module is configured to initiate a handover of the terminal to the WALN by any one of the following methods:
  • the determining module is configured to determine whether the terminal is in a traveling state according to a change condition of a cell in which the terminal resides in the latest period of time:
  • the terminal is determined to be in a traveling state; if the terminal does not have a cell handover or the cell handover frequency is less than or And determining that the terminal is not in a traveling state, where the terminal is not in a traveling state; wherein, the cell in which the terminal resides is a cellular network cell.
  • the determining module is configured to determine whether the terminal is in a traveling state according to an average acceleration of the terminal in a most recent period of time:
  • the average acceleration of the terminal in the latest period of time is greater than a preset acceleration threshold, determining that the terminal is in a traveling state; if the average acceleration of the terminal in the latest period of time is less than or equal to a preset acceleration threshold, determining the location The terminal is not in a traveling state.
  • a terminal initiates a handover from a current access network to a wireless local area network WLAN, and is currently in a traveling state, such as determining that the current is traveling. The status then terminates the handover to the WLAN.
  • the invention can protect the user's online experience while maximally helping the operator to reduce the data pressure of the cellular network.
  • FIG. 1 is a flowchart of a method for switching a wireless local area network according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a system for switching a wireless local area network according to an embodiment of the present invention. Preferred embodiment of the invention
  • an embodiment of the present invention provides a method for switching a wireless local area network, where the method includes:
  • the terminal initiates a handover from a current access network to a wireless local area network WLAN.
  • the terminal determines whether the terminal is currently in a traveling state.
  • the method further includes the following features:
  • the current access network is a cellular network access network.
  • the terminal initiates a handover from the current access network to the WLAN of the wireless local area network, and includes any one of the following methods:
  • the terminal periodically initiates a handover from the current access network to the wireless local area network WLAN; b) the terminal initiates a handover from the current access network to the wireless local area network WLAN after detecting that the terminal enters the predetermined WLAN coverage area;
  • the terminal initiates a connection from the current access network to the wireless local area network after detecting the occurrence of Internet traffic.
  • the terminal periodically initiates a handover from the current access network to the wireless local area network WLAN. For example, the terminal automatically initiates a handover from the current access network to the wireless local area network WLAN at intervals.
  • the terminal detects whether the terminal enters the coverage area of the predetermined WLAN, and includes: when the terminal successfully connects to a WLA network for the first time, saves the current cell information of the cell and the location information of the terminal locally, and determines the WLAN network as a reservation.
  • WLAN network when entering the wifi again When the coverage area of the WLAN is reached, the terminal automatically determines that the terminal enters the coverage area of the predetermined WLAN.
  • the terminal detects the generation of Internet traffic, including: The terminal detects that the user accesses the Internet through an application such as a browser and generates network traffic.
  • the determining, by the terminal, whether the terminal is currently in a traveling state includes: determining, by the terminal, whether the terminal is in a traveling state according to a change of a cell in which the terminal resides in the latest time period: If the frequency of the terminal is greater than the preset switching threshold, it is determined that the terminal is in the traveling state; if the frequency of the cell handover or the cell handover is not less than or equal to the preset switching threshold in the latest time period of the terminal, it is determined that the terminal is not in the traveling state.
  • a state in which the cell in which the terminal resides is a cellular network cell;
  • the length of the time period used to count the change of the cell in which the terminal resides is an experience value
  • the preset handover threshold is an experience value
  • the terminal determines whether the terminal is currently in a traveling state, and the method includes: the terminal determining, according to the average acceleration of the terminal in the latest period of time, whether the terminal is in a traveling state: if the average acceleration of the terminal in the latest period of time is greater than a preset acceleration The threshold is determined to determine that the terminal is in a traveling state; if the average acceleration of the terminal in the latest period of time is less than or equal to a preset acceleration threshold, it is determined that the terminal is not in a traveling state;
  • the length of the time period for calculating the average acceleration of the terminal is an empirical value
  • the preset acceleration value is an empirical value
  • Step S30 further includes: if the terminal is not currently in the traveling state, proceeding to switch from the current access network to the wireless local area network WLAN.
  • an embodiment of the present invention provides a system for switching a wireless local area network, where the system includes:
  • a handover initiation module configured to initiate a handover of the terminal from the current access network to the wireless local area network WLAN;
  • a judging module configured to determine whether the terminal is currently in a traveling state
  • a handover processing module is configured to terminate the handover of the terminal to the WLAN when the terminal is currently in a traveling state.
  • the system further includes the following features:
  • the handover initiation module initiates the handover of the terminal from the current access network to the wireless local area network WLAN by any of the following methods:
  • the determining module is configured to determine whether the terminal is in a traveling state according to a change of a cell in which the terminal resides in the latest period of time: if the frequency of cell switching in the latest time period of the terminal is greater than a preset switching threshold, then determining The terminal is in a traveling state; if the frequency of the cell handover or the cell handover is less than or equal to the preset handover threshold, the terminal is determined not to be in the traveling state; wherein the cell in which the terminal resides is a cell Network cell.
  • the determining module is configured to determine whether the terminal is in a traveling state according to an average acceleration of the terminal in a most recent period of time: if the average acceleration of the terminal in the latest period of time is greater than a preset acceleration threshold, determining that the terminal is in a traveling state; If the average acceleration of the terminal in the latest period of time is less than or equal to the preset acceleration threshold, it is determined that the terminal is not in the traveling state.
  • the handover processing module is further configured to continue to perform handover of the terminal from the current access network to the wireless local area network WLAN when the terminal is not currently in the traveling state.
  • the foregoing embodiment provides a method and system for switching a wireless local area network, where the terminal initiates a handover from the current access network to the wireless local area network WLAN, and determines whether the current state is in a traveling state, for example, if it is determined that the current traveling state is terminated, the terminal terminates to the WLAN. Switch.
  • the invention can help the operator to reduce the data pressure of the cellular network while maximizing the user's online experience.
  • the WLAN method and system provided by the embodiments of the present invention can help operators to reduce the data pressure of the cellular network while protecting the user's online experience.

Landscapes

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

Abstract

L'invention concerne un procédé et un système de commutation de réseau local sans fil. Le procédé comprend les étapes suivantes: un terminal lance une commutation d'un réseau d'accès courant vers un réseau local sans fil (WLAN), détermine s'il est actuellement en mouvement; et si le terminal est actuellement en mouvement, le terminal arrête la commutation vers le WLAN. La présente invention peut permettre l'expérience en ligne d'un utilisateur tout en aidant au maximum un opérateur à réduire la pression d'un trafic de données dans un réseau cellulaire.
PCT/CN2013/079258 2012-11-30 2013-07-12 Procédé et système de commutation de réseau local sans fil WO2013182121A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210501833.7 2012-11-30
CN201210501833.7A CN103856997A (zh) 2012-11-30 2012-11-30 一种切换无线局域网的方法和系统

Publications (1)

Publication Number Publication Date
WO2013182121A1 true WO2013182121A1 (fr) 2013-12-12

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PCT/CN2013/079258 WO2013182121A1 (fr) 2012-11-30 2013-07-12 Procédé et système de commutation de réseau local sans fil

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WO (1) WO2013182121A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN107920365A (zh) * 2016-10-11 2018-04-17 中兴通讯股份有限公司 一种融合网络的分流方法和装置
AU2017398782A1 (en) * 2017-02-15 2019-10-03 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Network connection method and apparatus

Citations (4)

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CN1547411A (zh) * 2003-12-14 2004-11-17 杭州电子工业学院 蜂窝网络和无线局域网松融合的移动通信网络
CN1794681A (zh) * 2005-12-29 2006-06-28 上海贝豪通讯电子有限公司 基于定位信息的在3g网络和wifi网络间的切换方法
CN103024843A (zh) * 2012-11-30 2013-04-03 中兴通讯股份有限公司 一种切换接入网络的方法和系统
CN103139876A (zh) * 2011-11-24 2013-06-05 北京千橡网景科技发展有限公司 自适应地为移动终端选择无线接入模式的方法和装置

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US7389111B2 (en) * 2003-06-25 2008-06-17 Arraycomm, Llc Adaptive determination of hysteresis for facilitating base station selection, including handover, in a wireless communication system
CN101557625B (zh) * 2009-03-09 2011-04-06 南京大学 一种无线网络中基于移动检测的快速切换方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1547411A (zh) * 2003-12-14 2004-11-17 杭州电子工业学院 蜂窝网络和无线局域网松融合的移动通信网络
CN1794681A (zh) * 2005-12-29 2006-06-28 上海贝豪通讯电子有限公司 基于定位信息的在3g网络和wifi网络间的切换方法
CN103139876A (zh) * 2011-11-24 2013-06-05 北京千橡网景科技发展有限公司 自适应地为移动终端选择无线接入模式的方法和装置
CN103024843A (zh) * 2012-11-30 2013-04-03 中兴通讯股份有限公司 一种切换接入网络的方法和系统

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CN103856997A (zh) 2014-06-11

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