CN102572986A - Communication terminal and network switching method thereof - Google Patents
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- CN102572986A CN102572986A CN2011104563134A CN201110456313A CN102572986A CN 102572986 A CN102572986 A CN 102572986A CN 2011104563134 A CN2011104563134 A CN 2011104563134A CN 201110456313 A CN201110456313 A CN 201110456313A CN 102572986 A CN102572986 A CN 102572986A
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- 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
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Abstract
The invention relates to a communication terminal and a network switching method thereof. When the communication terminal operates in a wireless wide area network and a wireless local area network module of the communication terminal detects a wireless local area network signal, the wireless local area network module reports the acquired wireless local area network signal to a route control module of the communication terminal; the route control module initiates a connection with the wireless local area network, after the successful connection, the route control module requests a route module of the communication terminal to initiates an IP address request, after the successful request, the route module initiates a route switching, and the communication terminal is switched to the wireless local area network from the wireless wide area network. For a wireless communication device, a data service can be divided via a wireless local area network manner, and the wireless wide area network pressure of an operator is effectively lowered; and the cost of the wireless local area network is less than that of the wireless wide area network, so that the communication cost of the user is lowered.
Description
Technical field
The present invention relates to communication technical field, more specifically, relate to communication terminal and method for switching network thereof.
Background technology
At present, along with develop rapidly and mobile subscriber's quantity of technology are increased sharply, can not satisfy the requirement of mobile subscriber and operator based on the INTERNET access of 3G.On the one hand, the online flow is costly for the mobile subscriber; On the other hand, huge customer group causes burden to 3G network, influences user's experience.The WIFI technology has been widely used in the equipment such as notebook computer, net book, smart mobile phone since producing.Therefore carrying out the INTERNET access through the WIFI focus just arises at the historic moment.Exist 3G and WIFI to insert the terminal of dual mode simultaneously for supporting; The user need select when to carry out 3G according to the scene of using and insert still WIFI access; In addition, because how the difference that access fee is used accomplishes to spend minimum economic expense; Obtaining more excellent service quality, all is to be difficult to select accept or reject as far as unprofessional user.
Great majority have all had WIFI and 3G communication function in the current terminal equipment, but can not accomplish the automatic switchover between WIFI and the 3G network, need artificially manually to go to switch, and bring very big inconvenience for user's use.
For example, the terminal of being invented among the patent CN201020258679.1 is a router device with WIFI and 3G communication function, and its mode that inserts Internet can be WIFI, also can be 3G network.But it fails to provide the method for automatic switchover, brings the inconvenience in the use to the user.
Therefore, a kind of method that can realize that WIFI network and 3G network switch will be brought very big facility to operator and client.
Summary of the invention
The present invention seeks to propose communication terminal and method for switching network thereof.
For realizing above-mentioned purpose, the present invention proposes a kind of method for switching network, when communication terminal is operated in wireless wide area network; When the Wireless LAN module of communication terminal has detected wireless lan signal; Wireless LAN module reports to the routing module control of communication terminal and gets access to wireless lan signal, and routing module control initiates to connect to WLAN, after the successful connection; The routing module of routing module control request communication terminal is initiated the IP Address requests; After the successful request, routing module is initiated route and is switched, and communication terminal switches to said WLAN from wireless wide area network.
Further, when said Wireless LAN module reports when getting access to wireless lan signal to routing module control, routing module control judges whether to initiate to connect, if initiate to connect, routing module control is initiated connection procedure to wireless lan network.
Further, after the successful connection, Wireless LAN module reports successful connection to routing module control; Routing module control request routing module is initiated IP Address requests process; Routing module reports IP application IP addresses result to routing module control, if the success of IP application IP addresses, routing module control order routing module is initiated route and switched; If handover success, communication terminal switches to said WLAN from wireless wide area network.
Further, said WLAN is the WIFI network, and said wireless wide area network is 2G, 3G or 4G network.
The present invention also proposes a kind of method for switching network; When communication terminal was operated in WLAN, when the wireless wide area network module of communication terminal has detected the wireless wide area network signal, the wireless wide area network module reported to the routing module control of communication terminal and gets access to the wireless wide area network signal; Routing module control initiates to connect to wireless wide area network; After the successful connection, the routing module of routing module control request communication terminal is initiated the IP Address requests, after the successful request; Routing module is initiated route and is switched, and communication terminal switches to said wireless wide area network from WLAN.
Further, when said wireless wide area network module reports when getting access to the wireless wide area network signal to routing module control, routing module control judges whether to initiate to connect, if initiate to connect, routing module control is initiated connection procedure to wireless wide area network.
Further, after the successful connection, the wireless wide area network module reports successful connection to routing module control; Routing module control request routing module is initiated IP Address requests process; Routing module reports IP application IP addresses result to routing module control, if the success of IP application IP addresses, routing module control order routing module is initiated route and switched; If handover success, communication terminal switches to said wireless wide area network from WLAN.
Further, said WLAN is the WIFI network, and said wireless wide area network is 2G, 3G or 4G network.
The present invention also proposes a kind of communication terminal, and said communication terminal comprises wireless wide area network module, Wireless LAN module, routing module control and routing module;
Said wireless wide area network module detects whether to have the wireless wide area network network signal and report to routing module control and gets access to the wireless wide area network signal;
Said Wireless LAN module makes communication terminal be operated in WLAN;
Said routing module control initiates to connect to the wireless wide area network network, and after the successful connection, routing module control request routing module is initiated the IP Address requests;
Said routing module is initiated Address requests, if successful request is then initiated route and switched, communication terminal switches to said wireless wide area network from WLAN.
The present invention also proposes a kind of communication terminal, and said communication terminal comprises wireless wide area network module, Wireless LAN module, routing module control and routing module;
Said Wireless LAN module detects whether to have the wireless lan network signal and report to routing module control and gets access to wireless lan signal;
Said wireless wide area network module makes communication terminal be operated in wireless wide area network;
Said routing module control initiates to connect to wireless lan network, and after the successful connection, routing module control request routing module is initiated the IP Address requests;
Said routing module is initiated Address requests, if successful request is then initiated route and switched, communication terminal switches to said WLAN from wireless wide area network.
In sum, adopt the present invention to have following beneficial effect:
For Wireless Telecom Equipment, can between wireless wide area network and WLAN, switch easily, can have access to the network of signal fast; Especially; Can shunt the data business through the wireless local net mode; Effectively alleviate the network pressure of the wireless wide area network of operator; And because the rate of wireless wide area network are high more a lot of than the rate of WLAN, the user can reduce the user's communications cost through wireless lan network visit Internet.
Description of drawings
Fig. 1 is an embodiment of the invention system composition diagram;
Fig. 2 is that embodiment of the invention communication terminal is formed sketch map;
Fig. 3 is that the embodiment of the invention realizes the schematic flow sheet that 3G and WIFI switch.
Embodiment
The present invention provides a kind of wireless lan network and wireless wide area network network dynamic switch method, system and communication terminal.
The terminal that wireless lan network of the present invention and wireless wide area network network dynamically switch comprises wide area network module, WIFI module, routing module control, routing module, WIFI AP module.Communication terminal is operated under the networking state, through the 2G/3G/4G network internet of wide area network, when the WIFI module has detected the WIFI network signal; The WIFI module reports to route control and gets access to the WIFI signal, and routing module control judges whether to initiate to connect, and connects if initiate; Routing module control is initiated connection procedure to the WIFI network, if successful connection, the WIFI module reports successful connection to routing module control; Routing module control request routing module is initiated IP Address requests process; Routing module reports IP application IP addresses result to routing module control, if the success of IP application IP addresses, routing module control order routing module is initiated route and switched; If closing 3G/4G, handover success, routing module control connect.
Below in conjunction with accompanying drawing and specific embodiment implementation method of the present invention is described.
As shown in Figure 1, be embodiment of the invention system composition diagram.
Embodiment of the invention system comprise communication terminal, 2G/3G/4G network, Internet network, WIFI AP, with the notebook terminal of communication terminal wireless connections.Communication terminal can be linked among the Internet through WIFI and 3G mode and for the user in its WLAN service is provided.
When portable terminal is linked into Internet, can insert with WIFI mode or 3G mode according to current network condition decision-making.Specifically be meant:
When no WIFI covers, and when not having 3G and covering, communication terminal can't provide service;
Cover as WIFI, but when not having 3G and covering, communication terminal can pass through the WIFI access network;
When no WIFI covered but has 3G to cover, communication terminal can pass through the 3G access network;
When having WIFI to have 3G to cover again at once, communication terminal can insert through 3G, also can insert through WIFI, but the two only selects one of which.
WIFI equipment such as mobile phone, mobile Internet access device insert WIFI AP through the WIFI agreement, insert the networking by WIFIAP again.Access way both can adopt the 3G mode to insert internet, can adopt the WIFI mode to insert internet again.The user can manual or automatic switchover between dual mode.
Please refer to shown in Figure 2ly, is that embodiment of the invention communication terminal is formed sketch map, and it comprises 3G module 101, WIFI module 102, routing module control 103 and routing module 104.Wherein the 3G module provides the 3G network visit Internet through operator; The WIFI module mainly realizes being linked into through the WIFI mode WIFI network of operator, thereby realizes the Internet access function; WIFI AP is that communication terminal provides access point AP.Routing module control 103 is responsible for selection, the selection of network access mode and the application of IP address of WAN mouth.Routing module is responsible for forwarding of data.
Said routing module 104 can be provided with it through man-machine interface and the enforcement of routing strategy by the user.Specifically comprise: access network is preferential with WIFI or 3G network, inserts the parameter of WIFI network, and the parameter that inserts 3G network, and the parameter that inserts the WIFI network specifically is meant SSID name, authentication mode, authentication parameter, cipher mode; The parameter that inserts 3G network mainly comprises network title and APN information.
Said routing module control 103 is responsible for selection, the selection of network access mode and the application of IP address of WAN mouth; Specifically be meant: routing module control 103 detects through 3G module 101; Obtain current 3G network state, network state mainly refers to the network title of current register, the signal strength signal intensity of current register network; The current roaming state that whether is in, current whether being registered in the PS network; Simultaneously, routing module control passes through WIFI module 102 according to its SSID information and the current WIFI network state of WIFI signal strength detection.After above-mentioned information was analyzed, decision-making was connected in WIFI network or the 3G network.
The selection of above-mentioned network access mode specifically describes: when the user need insert Internet, need judge it is to insert with WIFI or 3G mode according to current environment.Concrete judgment criterion does, if current have an available WIFI network, then preferentially uses the WIFI network, if there is not available WIFI network, then inserts through the 3G mode.
In other embodiments, said radio wide area network also can be 2G network or 4G network.
As shown in Figure 3, be that the embodiment of the invention realizes the schematic flow sheet that 3G and WIFI switch, it comprises the steps:
Step 301: communication terminal is operated under the networking state, and 3G/4G is passed through in networking;
Step 302:WIFI module has detected the WIFI network signal;
Detect the WIFI network signal and be meant that WIFI chip period property scans the frequency range of WIFI, and the WIFI network is monitored.
Step 303:WIFI module reports to routing module control and gets access to the WIFI signal;
Reporting information comprises signal strength signal intensity and the SSID information of current WIFI.
Step 304: routing module control judges whether to initiate WIFI according to current WIFI signal strength signal intensity, 3G signal strength signal intensity and SSID information and connects, if forward step 305 to, if otherwise forward step 302 to;
Step 305: route control is initiated connection procedure to WIFI;
Step 306: routing module control judges whether successful connection, if change 307, if do not change step 302;
Step 307:WIFI reports successful connection to route control;
Step 308: routing module control request routing module is initiated IP Address requests process, is specially dhcp process or the Static ARP process initiated;
Step 309: routing module reports IP application IP addresses result to routing module control;
Step 310: routing module control is judged the IP request results, if success application is changeed step 311, if step 315 is changeed in failure;
Step 311: routing module control order routing module is initiated route and is switched, and handoff procedure is at first changing routing table on routing module control;
Step 312: route control judges whether handover success, if successfully change step 313, if step 314 is changeed in failure;
Step 313: routing module control is closed 3G/4G and is connected;
Step 314: routing module control order routing module release IP;
Step 315: routing module control order WIFI module is broken off and being connected.
Certainly; The present invention also can have numerous embodiments; In the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art be when can making various corresponding changes or variation according to the present invention, any modification of within spirit of the present invention and principle, being done in every case, are equal to replacement, improvement, all should be included within protection scope of the present invention.
Claims (10)
1. a method for switching network is characterized in that, when communication terminal is operated in wireless wide area network; When the Wireless LAN module of communication terminal has detected wireless lan signal; Wireless LAN module reports to the routing module control of communication terminal and gets access to wireless lan signal, and routing module control initiates to connect to WLAN, after the successful connection; The routing module of routing module control request communication terminal is initiated the IP Address requests; After the successful request, routing module is initiated route and is switched, and communication terminal switches to said WLAN from wireless wide area network.
2. the method for claim 1; It is characterized in that; When said Wireless LAN module reports when getting access to wireless lan signal to routing module control; Routing module control judges whether to initiate to connect, if initiate to connect, routing module control is initiated connection procedure to wireless lan network.
3. the method for claim 1 is characterized in that, after the successful connection; Wireless LAN module reports successful connection to routing module control, and routing module control request routing module is initiated IP Address requests process, and routing module reports IP application IP addresses result to routing module control; If IP application IP addresses success; Routing module control order routing module is initiated route and is switched, if handover success, communication terminal switches to said WLAN from wireless wide area network.
4. the method for claim 1 is characterized in that, said WLAN is the WIFI network, and said wireless wide area network is 2G, 3G or 4G network.
5. a method for switching network is characterized in that, when communication terminal is operated in WLAN; When the wireless wide area network module of communication terminal has detected the wireless wide area network signal; The wireless wide area network module reports to the routing module control of communication terminal and gets access to the wireless wide area network signal, and routing module control initiates to connect to wireless wide area network, after the successful connection; The routing module of routing module control request communication terminal is initiated the IP Address requests; After the successful request, routing module is initiated route and is switched, and communication terminal switches to said wireless wide area network from WLAN.
6. method as claimed in claim 5; It is characterized in that when said wireless wide area network module reports when getting access to the wireless wide area network signal to routing module control, routing module control judges whether to initiate to connect; If initiate to connect, routing module control is initiated connection procedure to wireless wide area network.
7. method as claimed in claim 5 is characterized in that, after the successful connection; The wireless wide area network module reports successful connection to routing module control, and routing module control request routing module is initiated IP Address requests process, and routing module reports IP application IP addresses result to routing module control; If IP application IP addresses success; Routing module control order routing module is initiated route and is switched, if handover success, communication terminal switches to said wireless wide area network from WLAN.
8. method as claimed in claim 5 is characterized in that, said WLAN is the WIFI network, and said wireless wide area network is 2G, 3G or 4G network.
9. a communication terminal is characterized in that, said communication terminal comprises wireless wide area network module, Wireless LAN module, routing module control and routing module;
Said wireless wide area network module detects whether to have the wireless wide area network network signal and report to routing module control and gets access to the wireless wide area network signal;
Said Wireless LAN module makes communication terminal be operated in WLAN;
Said routing module control initiates to connect to the wireless wide area network network, and after the successful connection, routing module control request routing module is initiated the IP Address requests;
Said routing module is initiated Address requests, if successful request is then initiated route and switched, communication terminal switches to said wireless wide area network from WLAN.
10. a communication terminal is characterized in that, said communication terminal comprises wireless wide area network module, Wireless LAN module, routing module control and routing module;
Said Wireless LAN module detects whether to have the wireless lan network signal and report to routing module control and gets access to wireless lan signal;
Said wireless wide area network module makes communication terminal be operated in wireless wide area network;
Said routing module control initiates to connect to wireless lan network, and after the successful connection, routing module control request routing module is initiated the IP Address requests;
Said routing module is initiated Address requests, if successful request is then initiated route and switched, communication terminal switches to said WLAN from wireless wide area network.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104563134A CN102572986A (en) | 2011-12-30 | 2011-12-30 | Communication terminal and network switching method thereof |
| PCT/CN2012/076003 WO2013097411A1 (en) | 2011-12-30 | 2012-05-24 | Communication terminal and network handover method therefor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104563134A CN102572986A (en) | 2011-12-30 | 2011-12-30 | Communication terminal and network switching method thereof |
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| CN102572986A true CN102572986A (en) | 2012-07-11 |
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| CN2011104563134A Pending CN102572986A (en) | 2011-12-30 | 2011-12-30 | Communication terminal and network switching method thereof |
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| WO (1) | WO2013097411A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103037358A (en) * | 2012-12-24 | 2013-04-10 | 杭州浦禾通信技术有限公司 | Network communication method and network communication system of mobile terminal based on android system |
| CN103491649A (en) * | 2013-10-10 | 2014-01-01 | 成都达信通通讯设备有限公司 | Method for achieving WIFI synchronizing APN network multichannel concurrent Internet surfing and automatically giving preference to WIFI networking |
| WO2014134975A3 (en) * | 2013-03-06 | 2014-10-30 | 电信科学技术研究院 | Data stream transmission method and device |
| WO2016180217A1 (en) * | 2015-07-07 | 2016-11-17 | 中兴通讯股份有限公司 | Method and apparatus for realizing network switching |
| WO2018010128A1 (en) * | 2016-07-13 | 2018-01-18 | 深圳市沃特沃德股份有限公司 | Method and system for freely switching wireless communication modes of smart wearable device |
| CN113795042A (en) * | 2013-12-03 | 2021-12-14 | 华为终端有限公司 | Network switching method and terminal |
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| US20060045056A1 (en) * | 2004-08-31 | 2006-03-02 | O'hara Robert B Jr | Border access point protocol facilitating wireless client macro-mobility |
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- 2012-05-24 WO PCT/CN2012/076003 patent/WO2013097411A1/en active Application Filing
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| US20060083193A1 (en) * | 2004-10-18 | 2006-04-20 | Motorola, Inc. | Method and apparatus for routing calls |
| CN1984462A (en) * | 2006-04-07 | 2007-06-20 | 华为技术有限公司 | Wireless network system, its switching method and mobile station-transferring equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103037358A (en) * | 2012-12-24 | 2013-04-10 | 杭州浦禾通信技术有限公司 | Network communication method and network communication system of mobile terminal based on android system |
| CN103037358B (en) * | 2012-12-24 | 2016-01-20 | 杭州浦禾通信技术有限公司 | Based on network communication method and the system of the mobile terminal of Android system |
| WO2014134975A3 (en) * | 2013-03-06 | 2014-10-30 | 电信科学技术研究院 | Data stream transmission method and device |
| CN103491649A (en) * | 2013-10-10 | 2014-01-01 | 成都达信通通讯设备有限公司 | Method for achieving WIFI synchronizing APN network multichannel concurrent Internet surfing and automatically giving preference to WIFI networking |
| CN113795042A (en) * | 2013-12-03 | 2021-12-14 | 华为终端有限公司 | Network switching method and terminal |
| WO2016180217A1 (en) * | 2015-07-07 | 2016-11-17 | 中兴通讯股份有限公司 | Method and apparatus for realizing network switching |
| WO2018010128A1 (en) * | 2016-07-13 | 2018-01-18 | 深圳市沃特沃德股份有限公司 | Method and system for freely switching wireless communication modes of smart wearable device |
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| WO2013097411A1 (en) | 2013-07-04 |
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Application publication date: 20120711 |