WO2015081492A1 - Procédé de commutation de réseau et terminal - Google Patents

Procédé de commutation de réseau et terminal Download PDF

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Publication number
WO2015081492A1
WO2015081492A1 PCT/CN2013/088408 CN2013088408W WO2015081492A1 WO 2015081492 A1 WO2015081492 A1 WO 2015081492A1 CN 2013088408 W CN2013088408 W CN 2013088408W WO 2015081492 A1 WO2015081492 A1 WO 2015081492A1
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WO
WIPO (PCT)
Prior art keywords
local area
wireless local
area network
terminal
network
Prior art date
Application number
PCT/CN2013/088408
Other languages
English (en)
Chinese (zh)
Inventor
徐直军
丁吉
Original Assignee
华为终端有限公司
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 华为终端有限公司 filed Critical 华为终端有限公司
Priority to CN201380007978.4A priority Critical patent/CN104170460B/zh
Priority to CN202110675468.0A priority patent/CN113490255A/zh
Priority to CN202110678211.0A priority patent/CN113795042B/zh
Priority to PCT/CN2013/088408 priority patent/WO2015081492A1/fr
Publication of WO2015081492A1 publication Critical patent/WO2015081492A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a network switching method and a terminal. Background technique
  • Smart terminals support access to mobile networks and wireless local area networks.
  • Smart terminals can be mobile devices such as mobile phones or tablets.
  • Mobile networks can be 2G networks, 3G networks or Long Term Evolution (LTE) networks, wireless.
  • the local area network may include a WiFi network, and the user may select one of the networks for use, or the smart terminal automatically selects a network for use according to the surrounding network conditions. For example, the 3G mode and the WiFi mode of the smart terminal are simultaneously turned on.
  • the smart terminal automatically switches to the WiFi network.
  • the WiFi network cannot or prohibits the smart terminal from accessing the Internet, the smart terminal will remain in the state of accessing the WiFi network without automatically switching to the 3G network, which makes the smart terminal unable to update the service data in real time.
  • the intelligent terminal when the smart terminal switches from the 3G network to the wireless local area network, regardless of whether the wireless local area network can access the Internet, once the wireless local area network is accessed, the intelligent terminal automatically disconnects the 3G network, however, After the 3G network is opened, if the wireless LAN cannot access the Internet, the intelligent terminal will not automatically switch back to the 3G network from the wireless LAN, and the user needs to perform network switching operations. Therefore, the network switching efficiency of the intelligent terminal is low.
  • the prior art has a problem that the smart terminal cannot automatically switch back to the mobile network when the smart terminal is difficult to access the Internet using the currently accessed wireless local area network.
  • the present invention provides a network switching method and terminal, which can automatically switch a terminal from a wireless local area network to a mobile network when the terminal is unable to access the Internet using the wireless local area network.
  • a first aspect of the present invention provides a network switching method, including:
  • the terminal accesses the wireless local area network
  • the terminal After the terminal accesses the wireless local area network, the terminal determines whether the wireless local area network can access the Internet; If the wireless local area network is unable to access the Internet, the terminal disconnects the wireless local area network and uses the mobile network.
  • the method before the terminal accesses the WLAN, the method includes:
  • the terminal uses the mobile network
  • the terminal detects an accessible wireless local area network.
  • the terminal accessing the wireless local area network includes:
  • the terminal is connected to the WLAN, and obtains routing information of the WLAN; the terminal sets a default route as a route of the WLAN according to the obtained routing information of the WLAN.
  • the terminal is caused to access the wireless local area network.
  • the terminal sets a default route to the wireless according to the obtained routing information of the wireless local area network
  • the routing of the local area network specifically includes:
  • the terminal sets a default route to the route of the WLAN while retaining the route of the mobile network in the routing table.
  • the terminal disconnects the wireless local area network, and uses the mobile network.
  • the default route is set to the route of the mobile network such that the terminal accesses the mobile network.
  • the terminal sets the wireless local area network as a restricted network that prohibits automatic access.
  • the terminal When the terminal detects the wireless local area network, determining whether the wireless local area network is a restricted network in which the terminal prohibits automatic access;
  • the terminal Accessing the wireless local area network.
  • a second aspect of the present invention provides a terminal, including:
  • An access unit configured to access a wireless local area network
  • a determining unit configured to determine, after the access unit accesses the wireless local area network, whether the wireless local area network can access the Internet;
  • a switching unit configured to: if the determining unit determines that the wireless local area network cannot access the Internet, disconnect the access unit from the wireless local area network, and use the mobile network.
  • the terminal further includes:
  • a detecting unit configured to detect an accessible wireless local area network when the terminal uses the mobile network before the access unit accesses the wireless local area network.
  • the access unit configured to access the wireless local area network, includes:
  • the access unit is configured to: perform default routing according to the obtained routing information of the WLAN
  • the route set to the wireless local area network includes:
  • the switching unit is configured to: if the determining unit determines that the wireless local area network cannot access the Internet, The unit is disconnected from the wireless local area network and uses the mobile network, including: a route for setting a default route to the mobile network, such that the access unit accesses the mobile network.
  • the access unit is further configured to be used in the switching unit After the terminal is disconnected from the wireless local area network, the wireless local area network is set as a restricted network that prohibits automatic access.
  • the access unit is further configured to: when the detecting unit detects Determining, by the wireless local area network, whether the wireless local area network is a restricted network in which the terminal prohibits automatic access, and when the wireless local area network is not a restricted network in which the terminal prohibits automatic access, The access unit accesses the wireless local area network.
  • the terminal can determine whether the accessed wireless local area network can access the Internet. If the wireless local area network cannot access the Internet, it can switch from the wireless local area network to the mobile network, thereby keeping the network of the terminal unblocked and avoiding data service interruption. , improve the user experience.
  • 1 is a schematic flow chart of a network switching method
  • FIG. 2 is a schematic flow chart of another network switching method
  • FIG. 3 is a schematic flowchart of still another network switching method
  • FIG. 5 is a schematic structural diagram of another terminal
  • Fig. 6 is a schematic structural view of still another terminal. detailed description
  • Embodiment 1 of the present invention provides a method for network switching, including:
  • the terminal accesses the wireless local area network.
  • the terminal here can be a mobile phone, a tablet or other mobile terminal.
  • the terminal can access the wireless local area network when using the mobile network. For example, when the terminal uses the mobile network to process the service and detects that there is a wireless local area network, the terminal can access the wireless local area network. 102. After the terminal accesses the wireless local area network, the terminal determines whether the wireless local area network can access the Internet.
  • the terminal resolves the domain name through DNS, if the corresponding IP address can be obtained, it is determined that the wireless local area network can access the Internet. If the corresponding IP address cannot be obtained, it is determined that the wireless local area network cannot access the Internet. Alternatively, use the ping function to connect to a web address. If a response is received, it is determined that the wireless local area network can access the Internet. If no response is received, it is determined that the wireless local area network cannot access the Internet. Alternatively, the terminal determines whether the http request is redirected, and if it is redirected, determines that the Internet is accessible via the wireless local area network, and if not redirected, determines that the Internet cannot be accessed via the wireless local area network.
  • the terminal may also receive a notification sent by the network side, and according to the notification, determine whether the wireless local area network can access the Internet. For example, when the terminal receives a notification from the network side indicating that the wireless local area network can access the Internet, it is determined that the wireless local area network can access the Internet, and when the terminal receives from the network side, it is used to indicate that the terminal access is denied. When notified, it is determined that the wireless local area network cannot access the Internet.
  • the terminal disconnects the wireless local area network and uses the mobile network.
  • the mobile network may include a network such as LTE, 3G or 2G.
  • the terminal when the terminal cannot access the Internet through the wireless local area network, the terminal can automatically switch back to the mobile network from the wireless local area network, thereby keeping the network of the terminal unblocked.
  • Embodiment 2 of the present invention provides a method for network switching, including:
  • the terminal detects whether there is a wireless local area network around.
  • the terminal uses a mobile network to access the Internet while detecting the presence of a wireless local area network.
  • the terminal When the terminal detects the wireless local area network, determine whether the detected wireless local area network is a restricted network in which the terminal prohibits automatic access.
  • the user or the system may set a list of the restricted network in the terminal, and when the terminal detects the wireless local area network, traverse the wireless local area network recorded in the list of the restricted network, if the detected wireless local area network is not in the receiving In the list of restricted networks, it is determined that the detected wireless local area network is not a restricted network in which the terminal prohibits automatic access, and if the detected wireless local area network is in the list of the restricted network In the case, it is determined that the detected wireless local area network is a restricted network in which the terminal prohibits automatic access. If the step 202 determines that the detected wireless local area network is a restricted network in which the terminal prohibits automatic access, step 209 is performed.
  • step 203 is performed.
  • the terminal connects to the wireless local area network, and obtains routing information of the wireless local area network.
  • the terminal may prompt the user to connect to the wireless local area network, and after the user manually operates the terminal to connect to the wireless local area network, the terminal successfully connects to the wireless local area network. And add routing information for the WLAN to the routing table.
  • the terminal can also automatically connect to the wireless local area network when it is determined that the detected wireless local area network is not a restricted network in which the terminal prohibits automatic access, and add routing information of the wireless local area network to the routing table. If there are multiple WLAN conditions, the terminal can provide the user with a list of WLANs that contain all detected WLANs that can be used for connection, allowing the user to select the desired WLAN.
  • step 204 the terminal keeps the route of the mobile network in the routing table and automatically accesses the wireless local area network when setting the default route to the route of the wireless local area network. Since the terminal keeps the route of the mobile network in the routing table, the terminal can use the route of the mobile network to access the mobile network at any time.
  • the terminal determines whether the wireless local area network can access the Internet.
  • step 206 is performed.
  • step 207 is performed.
  • the terminal accesses the Internet by using a wireless local area network.
  • the wireless local area network is added to the limited network. In the list, avoid the terminal automatically connecting to the wireless local area network that cannot access the Internet.
  • the terminal can switch to the mobile network in time when the wireless local area network cannot access the Internet. Since the terminal switches the route and the time required to detect the WLAN is extremely short, it can ensure that the ongoing data service of the terminal is not interrupted, and the network can be kept smooth.
  • the step 210 is performed.
  • the exception network is a network that allows the terminal to automatically access, and the terminal directly disconnects the mobile network after automatically accessing the network.
  • the user or system can set the exception network table in the terminal.
  • the exception network table contains the information of the exception network.
  • it can traverse the exception network table, if the wireless local area network is not in the exception network table. In the case, it is determined that the wireless local area network is not an exception network. If the wireless local area network is in the exception network table, it is determined that the wireless local area network is an exceptional network.
  • step 211 When it is determined that the wireless local area network belongs to the exception network, step 211 is performed; when it is determined that the wireless local area network does not belong to the exception network, step 212 is performed.
  • the terminal disconnects the mobile network and sets the default route to the wireless local area network.
  • the terminal determines whether it needs to manually access the network.
  • step 213 is performed.
  • step 204 is performed.
  • the terminal can directly disconnect the mobile network and set the default route to the WLAN route without further steps.
  • Embodiment 3 of the present invention provides a terminal 304, including:
  • An access unit 301 configured to access a wireless local area network
  • the determining unit 302 is configured to determine, after the access unit 301 accesses the wireless local area network, whether the wireless local area network can access the Internet;
  • the switching unit 303 is configured to disconnect the access unit 301 from the wireless local area network and use the mobile network if the determining unit 302 determines that the wireless local area network cannot access the Internet.
  • the terminal provided in this embodiment can automatically switch back from the wireless local area network to the mobile network when the Internet cannot access the Internet through the wireless local area network, thereby keeping the network of the terminal unblocked.
  • Embodiment 4 of the present invention provides a terminal 404, including:
  • An access unit 401 configured to access a wireless local area network
  • the determining unit 402 is configured to determine, after the access unit 401 accesses the wireless local area network, whether the wireless local area network can access the Internet;
  • the switching unit 403 is configured to disconnect the access unit 401 from the wireless local area network and use the mobile network if the determining unit 402 determines that the wireless local area network cannot access the Internet.
  • the detecting unit 405 is configured to detect an accessible wireless local area network when the terminal uses the mobile network before the access unit 401 connects the terminal to the wireless local area network.
  • the access unit 401 is configured to: connect the terminal 404 to the wireless local area network, and include: configured to: connect the wireless local area network, and obtain routing information of the wireless local area network;
  • the routing information of the WLAN is set to a route of the WLAN by the default route, so that the access unit 401 accesses the WLAN.
  • the access unit 401 is configured to set a default route to the route of the WLAN according to the obtained routing information of the WLAN, including:
  • the switching unit 403 is configured to: if the determining unit 402 determines that the wireless local area network cannot access the Internet, disconnect the access unit 401 from the wireless local area network, and use a mobile network.
  • the method includes: setting a default route to the mobile network, so that the access unit 401 accesses the mobile network.
  • the access unit 401 is further configured to: after the switching unit 403 disconnects the access unit 401 from the wireless local area network, set the wireless local area network as a restricted automatic access prohibition.
  • the internet is a restricted automatic access prohibition.
  • the access unit 401 is further configured to: when the detecting unit 405 detects the wireless local area network, determine whether the wireless local area network is a restricted network in which the terminal 404 prohibits automatic access, When the wireless local area network is not a restricted network in which the terminal 404 prohibits automatic access, the wireless local area network is accessed.
  • Embodiment 5 of the present invention provides a terminal 501, including:
  • a transceiver 502 configured to access a wireless local area network
  • the processor 503 is configured to be connected to the transceiver 502, configured to determine, after the transceiver 502 accesses the wireless local area network, whether the wireless local area network can access the Internet;
  • the transceiver 502 is further configured to disconnect the transceiver 502 from the wireless local area network and use a mobile network if the processor 503 determines that the wireless local area network cannot access the Internet.
  • the transceiver 502 is further configured to detect an accessible wireless local area network when using the mobile network before accessing the wireless local area network.
  • the terminal 501 accesses the wireless local area network, and includes:
  • the transceiver 502 is connected to the wireless local area network, and acquires routing information of the wireless local area network;
  • the processor 503 sets a default route to the routing of the wireless local area network according to the routing information of the wireless local area network acquired by the transceiver 502, so that the transceiver 502 accesses the wireless local area network.
  • the processor 503 is configured to set the default route to the routing of the WLAN according to the routing information of the wireless local area network that is obtained by the transceiver 502, and specifically includes:
  • the processor 503 is configured to set a default route to the route of the wireless local area network, and keep the route of the mobile network in a routing table.
  • the processor 503 is configured to set a default route to a route of the mobile network if the wireless local area network cannot access the Internet, so that the transceiver 502 accesses the mobile network.
  • the processor 503 is further configured to set the wireless local area network as a restricted network that prohibits automatic access after the transceiver 502 is disconnected from the wireless local area network.
  • the processor 503 is further configured to: when the transceiver 502 detects the wireless local area network, before the transceiver 502 accesses the wireless local area network, determine whether the wireless local area network is The terminal 501 prohibits the restricted network that is automatically accessed;
  • the transceiver 502 is further configured to disable automatic connection when the wireless local area network is not the terminal 501 When the restricted network is entered, the wireless local area network is accessed.
  • the present invention further provides a computer storage medium, wherein the computer storage medium may store a program, and when the program is executed, may include a part of each embodiment of the virtual network-based switch configuration method provided by the present invention. Or all steps.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).

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

Abstract

La présente invention concerne un procédé de commutation de réseau. Le procédé comprend les étapes suivantes : un terminal accède à un réseau local sans fil ; après que le terminal a accédé au réseau local sans fil, le terminal détermine si le réseau local sans fil peut être connecté à l'Internet ; et si le réseau local sans fil ne peut pas être connecté à l'Internet, le terminal déconnecte le réseau local sans fil et utilise un réseau mobile. Dans la présente invention, un terminal peut déterminer si un réseau local sans fil auquel on a accédé peut être connecté à l'Internet; et si le réseau local ne peut pas être connecté à l'Internet, le terminal peut utiliser un réseau mobile afin que la mise en réseau du terminal s'effectue sans problème et que les interruptions de service soient évitées, ce qui améliore l'expérience d'utilisation.
PCT/CN2013/088408 2013-12-03 2013-12-03 Procédé de commutation de réseau et terminal WO2015081492A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201380007978.4A CN104170460B (zh) 2013-12-03 2013-12-03 一种网络切换方法及终端
CN202110675468.0A CN113490255A (zh) 2013-12-03 2013-12-03 一种网络切换方法及终端
CN202110678211.0A CN113795042B (zh) 2013-12-03 2013-12-03 一种网络切换方法及终端
PCT/CN2013/088408 WO2015081492A1 (fr) 2013-12-03 2013-12-03 Procédé de commutation de réseau et terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/088408 WO2015081492A1 (fr) 2013-12-03 2013-12-03 Procédé de commutation de réseau et terminal

Publications (1)

Publication Number Publication Date
WO2015081492A1 true WO2015081492A1 (fr) 2015-06-11

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Application Number Title Priority Date Filing Date
PCT/CN2013/088408 WO2015081492A1 (fr) 2013-12-03 2013-12-03 Procédé de commutation de réseau et terminal

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CN (3) CN113490255A (fr)
WO (1) WO2015081492A1 (fr)

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CN107484219A (zh) * 2017-08-24 2017-12-15 深圳双创科技发展有限公司 终端从WiFi网络切换到蜂窝网络的方法及终端
CN108337706B (zh) * 2018-02-05 2021-02-26 Oppo广东移动通信有限公司 一种无线网络的切换方法、移动终端及存储介质
CN108718458A (zh) * 2018-06-11 2018-10-30 奇酷互联网络科技（深圳）有限公司 网络连接方法、装置、可读存储介质及智能终端
CN109151863A (zh) * 2018-08-30 2019-01-04 希格斯动力科技（珠海）有限公司 基于路由表的安卓系统网络管理方法及系统
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