CN103313332A - Mobile equipment based on Android system and method thereof for realizing switch in different networks based on BP - Google Patents
Mobile equipment based on Android system and method thereof for realizing switch in different networks based on BP Download PDFInfo
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Abstract
The invention discloses mobile equipment based on an Android system and a method thereof for realizing switch in different networks based on a BP. The method comprises: judging whether a switch between a wireless broadband network and a mobile broadband network is carried out in a service-connection state; if the switch is from the wireless broadband network to the mobile broadband network, utilizing a PPP stack of the baseband processor (BP) to establish a mobile broadband communication link, intercepting a PPP message, which is transmitting in the wireless broadband network, by a switch control unit and utilizing the mobile broadband communication link to bear the intercepted PPP message; and if the switch is from the mobile broadband network to the wireless broadband network, utilizing a SIP stack and the PPP stack of the BP to establish a wireless broadband communication link, intercepting a PPP message, which is transmitting in the mobile broadband network, by the switch unit and utilizing the wireless broadband communication link to bear the PPP message intercepted from the mobile broadband network, so that the switch in different networks is achieved in the service-connection state.
Description
Technical field
The present invention relates to field of mobile terminals, especially, relate to method that a kind of mobile device based on the Android system switches at rete mirabile and based on the mobile device of Android system, one of them network is wireless broadband network, and another network can be any in the mobile broadband networks such as CDMA, WCDMA, HSPA, LTE.
Background technology
Such as CDMA (Code Division Multiple Access, the code division multiple access access), WCDMA (Wideband Code Division Multiple Access, the Wideband Code Division Multiple Access (WCDMA) access), HSPA (High Speed Packet Access, the high-speed packet access), LTE (Long Term Evolution, Long Term Evolution) etc. mobile broadband with become the focus that industry focuses on such as the fusion of the WiMAX of WiFi is collaborative, occurred at present much merging collaborative relevant technology with mobile broadband+WiMAX, these technology are only relevant with simple fusion, switch irrelevant with cross-system.
Next, briefly introduce simple integration technology: wireless broadband network and mobile network's simple fusion is exactly at newly-increased WAG (the WLAN Access Gateway of network side, the WLAN (wireless local area network) IAD) network element, the user passes through SIM (Subscriber Identity Module when wireless broadband network, subscriber identification module) card or UIM (User Identity Module, subscriber identification module) is stuck in mobile core network and finishes authentication, authentication can be passed through the mobile core network accessing Internet by rear user under wireless broadband network, can allow the mobile value-added service that the user directly uses mobile operator to be provided (this is called unified certification), realize the system architecture of unified certification as shown in Figure 1.This fusion is exactly to select access phase that the autoconnect function of wireless broadband network and mobile network's access way is provided at network, and under service connected state, if the conversion of wireless broadband network and mobile network's access way occurs, then must interrupt the current service connection of user and reselect the network new access authentication of initiating of laying equal stress on, the continuity that this can't guarantee service connection has affected user's perception.Therefore, this simple fusion can't guarantee to stride wireless broadband network and mobile network's seamless switching, and above-mentioned simple fusion can only realize striding certainly being dynamically connected of wireless broadband network and mobile network.
The Android system has become one of mainstream operation system of mobile device at present.Based on above-mentioned simple integration technology, the present stage user only can select mobile broadband or two kinds of heterogeneous networks of WiMAX to access with the unified certification communication dial feature of the mobile broadband+WiMAX in the mobile device of Android system, and the network insertion conversion of mobile broadband and WiMAX can cause the disconnecting of user's current business under service connected state, require mobile device to reselect network and again initiate the service access authentication and for mobile device distributes new IP address, cause under service connected state, to realize the automatic seamless switching.
Summary of the invention
The technical problem that the present invention will solve provides method that a kind of mobile device based on the Android system switches at rete mirabile and based on the mobile device of Android system, can make the mobile device of Android system realize switching between wireless broadband network and mobile broadband network under service connected state.
According to an aspect of the present invention, a kind of method of switching at rete mirabile based on the mobile device of Android system has been proposed, wherein, mobile device comprises application processor and baseband processor, application processor comprises wireless broadband communication unit and switch control unit, baseband processor comprises mobile broadband communication unit and ppp protocol stack processing unit, the method is included under the service connected state, and switch control unit judges whether to carry out switching between wireless broadband network and the mobile broadband network according to the signal strength signal intensity of the wireless broadband network that detects; Switch to mobile broadband network if determine from wireless broadband network, then utilize ppp protocol stack and mobile broadband communication unit in the baseband processor in mobile broadband network, to set up the mobile broadband communication link, the PPP information message that just in wireless broadband network, is being transmitted by switch control unit intercepting, and the PPP information message that utilizes the mobile broadband communication link bearer set up in the mobile broadband network to intercept from wireless broadband network; Switch to wireless broadband network if determine from mobile broadband network, then utilize ppp protocol stack and wireless broadband communication unit in Session Initiation Protocol stack, the baseband processor in wireless broadband network, to set up the wireless broadband communication link, the PPP information message that just in mobile broadband network, is being transmitted by switch unit intercepting, and the PPP information message that utilizes the wireless broadband communication link bearer set up in the wireless broadband network to intercept from mobile broadband network.
According to a further aspect in the invention, a kind of mobile device based on the Android system has also been proposed, comprise application processor and baseband processor, application processor comprises wireless broadband communication unit and switch control unit, baseband processor comprises the mobile broadband communication unit, ppp protocol stack processing unit and tunnel encapsulation unit, wherein, switch control unit, be used under service connected state signal strength signal intensity according to the wireless broadband network that detects and judge whether to carry out switching between wireless broadband network and the mobile broadband network, call the Session Initiation Protocol stack and realize the SIP session, the PPP information message that just transmitting in wireless broadband network of intercepting and the PPP information message routing that will intercept from wireless broadband network are in mobile broadband network, and the PPP information message that intercepting is just being transmitted in mobile broadband network and the PPP information message routing that will intercept from mobile broadband network are in wireless broadband network; Ppp protocol stack processing unit, be used in the situation that determine that switching to mobile broadband network from wireless broadband network utilizes the ppp protocol stack of ppp protocol stack processing unit to set up the mobile broadband communication link mobile broadband network, in the situation that determine that switch to wireless broadband network from mobile broadband network utilizes the ppp protocol stack the ppp protocol stack processing unit to set up the wireless broadband communication link in wireless broadband network, and the data message that receives carried out PPP information message after encapsulation/decapsulation and the transmission process; The mobile broadband communication unit is used in the situation that determine that switching to mobile broadband network from wireless broadband network utilizes the ppp protocol stack of ppp protocol stack processing unit to set up the mobile broadband communication link mobile broadband network, with carrying PPP information message; The wireless broadband communication unit is used in the situation that determine that switching to wireless broadband network from mobile broadband network utilizes the ppp protocol stack of ppp protocol stack processing unit to set up the wireless broadband communication link wireless broadband network, with carrying PPP information message; The tunnel encapsulation unit is used for the data of transmitting between mobile device and target WAG are carried out tunnel encapsulation/tunnel decapsulation.
The method that mobile device based on the Android system provided by the invention switches at rete mirabile and based on the mobile device of Android system, so that based on the ppp protocol stack in the mobile broadband communication unit in the mobile device of Android system and the wireless broadband communication units shared baseband processor, under service connected state, set up first the communication link of broadband network extremely to be converted, communication link set up complete after, the PPP information message that intercepting is just being transmitted in former broadband network, and these messages are converted on the newly-established communication link, thereby can realize that the network under the service connected state switches.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part.In the accompanying drawings:
Fig. 1 is the configuration diagram of mobile broadband+WiMAX Centralized Authentication System.
Fig. 2 is the structural representation of an embodiment that the present invention is based on the mobile device of Android system.
Fig. 3 the present invention is based on the mobile device of Android system at the schematic flow sheet of an embodiment of the method for rete mirabile switching.
Fig. 4 is switching controls schematic diagram of the present invention.
Fig. 5 is the mobile device that the present invention is based on the Android system switches to an example of wireless broadband network from mobile broadband network schematic flow sheet.
Fig. 6 is the mobile device that the present invention is based on the Android system switches to an example of mobile broadband network from wireless broadband network schematic flow sheet.
Embodiment
With reference to the accompanying drawings the present invention is described more fully, exemplary embodiment of the present invention wherein is described.Exemplary embodiment of the present invention and explanation thereof are used for explaining the present invention, but do not consist of improper restriction of the present invention.
Below be illustrative to the description only actually of at least one exemplary embodiment, never as any restriction to the present invention and application or use.
Fig. 2 is the structural representation of an embodiment that the present invention is based on the mobile device of Android system.
As shown in Figure 2, mobile device 200 among this embodiment can comprise two processor: AP (Application Processor, application processor) 202 and BP (Baseband Processor, baseband processor) 204, wherein, the operating system of mobile device (for example, adopting Linux be open source code operating system---the Android system on basis), user interface and application program etc. all can be in AP 202 execution, generally speaking, AP 202 adopts the CPU of ARM chip; The radio-frequency communication control software of mobile device 200 can be arranged on the BP 204, and BP 204 can carry out a whole set of protocol software and man-machine interface function etc., in this embodiment, is based on the switching that BP 204 realizes cross-system.
Particularly, AP 202 can comprise wireless broadband communication unit 2022 (processing for example signal of WiFi network) and switch control unit 2024; Baseband processor 204 can comprise mobile broadband communication unit (processing the signal of mobile networks such as CDMA, WCDMA, HSPA or LTE) 2042, PPP (Point-to-Point Protocol, peer-peer protocol) protocol stack processing unit 2044 and tunnel encapsulation unit 2046.Wherein:
Switch control unit 2024, be used under service connected state signal strength signal intensity according to the wireless broadband network that detects and judge whether to carry out switching between wireless broadband network and the mobile broadband network, switch between network if carry out, then the route of PPP information message is controlled, particularly, can call SIP (Session Initiation Protocol, SIP) protocol stack is realized the SIP session, the PPP information message that just transmitting in wireless broadband network of intercepting and the PPP information message routing that will intercept from wireless broadband network are in mobile broadband network, and the PPP information message that intercepting is just being transmitted in mobile broadband network and the PPP information message routing that will intercept from mobile broadband network are in wireless broadband network;
Ppp protocol stack processing unit 2044, be used in the situation that determine that switching to mobile broadband network from wireless broadband network utilizes the ppp protocol stack of ppp protocol stack processing unit to set up the mobile broadband communication link mobile broadband network, in the situation that determine that switch to wireless broadband network from mobile broadband network utilizes the ppp protocol stack the ppp protocol stack processing unit to set up the wireless broadband communication link in wireless broadband network, and the data message that receives carried out PPP information message after encapsulation/decapsulation and the transmission process;
Mobile broadband communication unit 2042, be used in the situation that determine that switching to mobile broadband network from wireless broadband network utilizes the ppp protocol stack of ppp protocol stack processing unit to set up the mobile broadband communication link mobile broadband network, with carrying PPP information message;
Wireless broadband communication unit 2022, be used in the situation that determine that switching to wireless broadband network from mobile broadband network utilizes the ppp protocol stack of ppp protocol stack processing unit to set up the wireless broadband communication link wireless broadband network, with carrying PPP information message;
Tunnel encapsulation unit 2046 is used for the data of transmitting between mobile device and target WAG are carried out tunnel encapsulation/tunnel decapsulation.
In this embodiment, mobile device possesses mobile broadband communication unit and wireless broadband communication unit simultaneously, and adopt Android as the operating system of mobile device, when mobile device uses mobile service by mobile broadband network or wireless broadband network, if the decline of current wireless broad band network quality or lifting, can be by sharing the automatic seamless switching of initiating to stride different network of ppp protocol stack among the BP, this switching is controlled by mobile device fully, need not network equipment is transformed, network side is that the IP address that mobile device distributes remains unchanged in whole handoff procedure, thereby so that the presently used business of user be not interrupted.
Further, switch control unit 2024 among Fig. 2 can also be used in the mobile broadband communication link bearer of utilizing mobile broadband network to set up after the PPP information message that wireless broadband network intercepts, cut off the wireless broadband communication link in the employed wireless broadband network, and the wireless broadband communication link bearer of having set up in utilizing wireless broadband network is cut off the mobile broadband communication link in the employed mobile broadband network after the PPP information message that mobile broadband network intercepts.
Above-mentioned mobile device shown in Figure 2 can be carried out following embodiment of the method.Describe mobile device in detail below in conjunction with Fig. 2 and how to realize under service connected state that rete mirabile switches.
Fig. 3 the present invention is based on the mobile device of Android system at the schematic flow sheet of an embodiment of the method for rete mirabile switching.
As shown in Figure 3, this changing method can may further comprise the steps:
S302, under service connected state, switch control unit judges whether to carry out switching between wireless broadband network and the mobile broadband network according to the signal strength signal intensity of the wireless broadband network that detects, that is, whether carry out switching from the wireless broadband network to the mobile broadband network or the switching from the mobile broadband network to the wireless broadband network;
Particularly, when mobile device is operated in mobile broadband network, if the signal strength signal intensity of wireless broadband network is higher than first threshold, namely, show that the current signal of wireless broadband network is stronger, data can be transferred to wireless broadband network to improve transmission speed from mobile broadband network, then determine mobile device is switched to wireless broadband network from mobile broadband network;
When mobile device is operated in wireless broadband network, if the signal strength signal intensity of wireless broadband network is lower than Second Threshold, namely, a little less than showing that the current signal of wireless broadband network, data can be transferred to mobile broadband network to improve transmission reliability from wireless broadband network, then determine mobile device is switched to mobile broadband network from wireless broadband network.
S304 if determine to switch to mobile broadband network from wireless broadband network, then utilizes ppp protocol stack and mobile broadband communication unit in the baseband processor to set up the mobile broadband communication link in mobile broadband network;
Particularly, switch control unit can pass through the ppp protocol stack initiation PPP dialing in RIL (Radio Interface Layer, radio interface layer) the interface interchange baseband processor; Ppp protocol stack processing unit is set up the mobile broadband communication link alternately by mobile broadband communication unit and access network controller and network side access point, with carrying PPP information message;
After mobile broadband communication link establishment success, the PPP information message that can just in wireless broadband network, transmitted by switch control unit intercepting, and the PPP information message that utilizes the mobile broadband communication link bearer set up in the mobile broadband network to intercept from wireless broadband network.
Be described in detail below in conjunction with Fig. 2: at first switch control unit triggers ppp protocol stack processing unit by the RIL interface and initiates the PPP dialing, sets up mobile device to signaling and data channel between the network side access point.After Path Setup is complete, application layer data and order that switch control unit will originally be sent by the wireless broadband communication unit are sent to ppp protocol stack processing unit by the RIL interface, delivering to the mobile broadband communication unit to using after the PPP encapsulation process is carried out in layer data and order, by the mobile broadband communication unit PPP information message is sent to network side.After the mobile broadband communication unit receives data from network side, be sent to ppp protocol stack processing unit data are carried out decapsulation, the application layer data after the decapsulation is sent to application layer by the RIL interface.
S306 if determine to switch to wireless broadband network from mobile broadband network, then utilizes ppp protocol stack and wireless broadband communication unit in Session Initiation Protocol stack, the baseband processor to set up the wireless broadband communication link in wireless broadband network;
Particularly, switch control unit can call the Session Initiation Protocol stack, sets up communication link between mobile device and the target WAG by the wireless broadband communication unit; Switch control unit is by the ppp protocol stack in the RIL interface interchange baseband processor, utilizes the wireless broadband communication unit to set up PPP information link between mobile device and the network side access point, to carry the PPP information message;
After wireless broadband communication link establishment success, the PPP information message that can just in mobile broadband network, transmitted by switch unit intercepting, and the PPP information message that utilizes the wireless broadband communication link bearer set up in the wireless broadband network to intercept from mobile broadband network.
Be described in detail as an example of the WiFi network example below in conjunction with Fig. 2: at first switch control unit calls the Session Initiation Protocol stack by the signaling plane passage between SIP call setup mobile device and the target WAG, after the signaling plane Path Setup is complete, set up again the data surface passage, that is, the passage between mobile device and the network side access point.Data channel set up complete after, application layer data and order that switch control unit will originally be sent by the mobile broadband communication unit are sent to ppp protocol stack processing unit by the RIL interface, after carrying out the PPP encapsulation process, layer data and order delivering to tunnel encapsulation unit rather than mobile broadband communication unit to using, by the tunnel encapsulation unit data that are sent to target WAG are carried out tunnel encapsulation, the data after will encapsulating by the wireless broadband communication unit again are sent to network side.After the wireless broadband communication unit receives data from network side, be sent to the tunnel encapsulation unit data are separated tunnel encapsulation, send into again ppp protocol stack processing unit after the decapsulation, continued data are separated the layer data that is applied after PPP encapsulates by this unit, be sent to application layer by the RIL interface.
In this embodiment, the conversion of the route of PPP information message is controlled by switch control unit.As shown in Figure 4, when mobile device switches to the WiFi network from mobile broadband network, switch control unit and broadband connections unit are corresponding to be driven alternately, realizes ppp protocol control and the transfer of data of WiFi under the unified certification and intercept the PPP information message that is just transmitting in mobile broadband network mailing on the wireless broadband communication unit; When mobile device switches to mobile broadband network from the WiFi network, switching controls and broadband connections unit are corresponding to be driven alternately, realizes ppp protocol control and the transfer of data of mobile broadband communication and intercept the PPP information message that is just transmitting in wireless broadband network mailing on the mobile broadband communication unit.
This embodiment all unifies to use ppp protocol stack in the baseband processor when mobile device is striden the different network switching of mobile broadband network and wireless broadband network, only realized striding by mobile device control that automatic seamless switches between different network, realized mobile device under same access point (for example, PDSN) do not stride the network reselection of mobile broadband network and wireless broadband network and access authentication again, guaranteed not interrupting of ongoing service connection, that is no longer again be mobile device distributing IP address when, between mobile broadband network and wireless broadband network, carrying out inter-network.
Alternatively, after step S304, switch control unit can also cut off the wireless broadband communication link in the employed wireless broadband network; After step S306, switch control unit can also cut off the mobile broadband communication link in the employed mobile broadband network.
Fig. 5 is the mobile device that the present invention is based on the Android system switches to an example of wireless broadband network from mobile broadband network schematic flow sheet.
S502, initial condition: mobile device is using the mobile broadband network online.
S504, switch control unit judge according to the signal strength signal intensity of wireless broadband network, find to satisfy the switching condition from the mobile broadband network to the wireless broadband network, switch to WiMAX (WiFi) network.
S506, set up data link in the WiFi network: switch control unit calls and calls the ppp protocol stack initiation dialing that carries in the baseband processor and process the PPP message after the Session Initiation Protocol stack is finished the SIP session.Wherein, under mobile broadband and WiMAX unified certification group-network construction, mobile device then requires to set up ppp link and carries upper layer data by the communication link between SIP call setup and WLAN IAD (WAG) between mobile device and network side access point (PDSN, GGSN, PGW etc.).Mobile device calls the ppp protocol stack in the baseband processor, so that no matter PPP information link management between mobile device and network side access point is all finished ppp protocol stack thus in wireless broadband network access or mobile broadband network access.Simultaneously, also in baseband processor, finish the particular tunnel protocol encapsulation management function of unified certification.Mobile broadband and WiMAX unified certification to the interface definition between mobile device and the WLAN IAD specific tunnel carry out protocol encapsulation management, it carries out tunnel encapsulation to the message that mobile device sends, and portable terminal is received message carries out decapsulation.
S508, switch control unit intercept the PPP information message of former cause mobile broadband network transmission, and mail to the WiFi communication unit.
S510, the WiFi communication unit is sent to the WiFi network with the PPP information message.
S512, the mobile broadband communication unit cuts off the communication link with mobile broadband network, finishing switching.
Fig. 6 is the mobile device that the present invention is based on the Android system switches to an example of mobile broadband network from wireless broadband network schematic flow sheet.
S602, initial condition: mobile device uses the wireless broadband network online.
S604, switch control unit judge according to the signal strength signal intensity of wireless broadband network, find to satisfy the switching condition that switches to mobile broadband network from wireless broadband network, switch to mobile broadband network.
S606, set up data link in mobile broadband network: the ppp protocol stack that switch control unit utilizes baseband processor to carry by the RIL interface is initiated the PPP dialing and is processed the PPP message, that is, continue to use the flow process of originally setting up the mobile broadband network data link in the mobile device based on baseband processor.
S608, switch control unit intercept former cause wireless broadband network transmission PPP information message, and mail to the mobile broadband communication unit.
S610, the mobile broadband communication unit is sent to mobile broadband network with the PPP information message.
S612, the wireless broadband communication unit cuts off the communication link with wireless broadband network, finishing switching.
One of ordinary skill in the art will appreciate that, whole and the part steps of realization said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computing equipment read/write memory medium, this program is when carrying out, execution comprises the step of said method embodiment, and aforesaid storage medium can comprise the various media that can be program code stored such as ROM, RAM, magnetic disc and CD.
Each embodiment all adopts the mode of going forward one by one to describe in this specification, and what each embodiment stressed is and the difference of other embodiment that part identical with similar between each embodiment can cross-references.For device embodiment because itself and embodiment of the method basic simlarity, so describe fairly simple, relevant part can be referring to embodiment of the method explanation partly.
Although by example specific embodiments more of the present invention are had been described in detail, it should be appreciated by those skilled in the art, above example only is in order to describe, rather than in order to limit the scope of the invention.It should be appreciated by those skilled in the art, can in the situation that do not depart from the scope of the present invention and spirit, above embodiment be made amendment.Scope of the present invention is limited by claims.
Claims (8)
1. method of switching at rete mirabile based on the mobile device of Android system, it is characterized in that, described mobile device comprises application processor and baseband processor, described application processor comprises wireless broadband communication unit and switch control unit, described baseband processor comprises mobile broadband communication unit and ppp protocol stack processing unit, and described method comprises:
Under service connected state, described switch control unit judges whether to carry out switching between described wireless broadband network and the mobile broadband network according to the signal strength signal intensity of the wireless broadband network that detects;
Switch to described mobile broadband network if determine from described wireless broadband network, then utilize ppp protocol stack and described mobile broadband communication unit in the described baseband processor in described mobile broadband network, to set up the mobile broadband communication link, the PPP information message that just in described wireless broadband network, is being transmitted by the intercepting of described switch control unit, and the PPP information message that utilizes the mobile broadband communication link bearer set up in the described mobile broadband network to intercept from described wireless broadband network;
Switch to described wireless broadband network if determine from described mobile broadband network, then utilize ppp protocol stack and described wireless broadband communication unit in Session Initiation Protocol stack, the described baseband processor in described wireless broadband network, to set up the wireless broadband communication link, the PPP information message that just in described mobile broadband network, is being transmitted by the intercepting of described switch unit, and the PPP information message that utilizes the wireless broadband communication link bearer set up in the described wireless broadband network to intercept from described mobile broadband network.
2. mobile device according to claim 1 is characterized in that in the method that rete mirabile switches, and also comprises:
The mobile broadband communication link bearer of having set up in utilizing described mobile broadband network is after the PPP information message that described wireless broadband network intercepts, and described switch control unit cuts off the wireless broadband communication link in the employed wireless broadband network;
The wireless broadband communication link bearer of having set up in utilizing described wireless broadband network is after the PPP information message that described mobile broadband network intercepts, and described switch control unit cuts off the mobile broadband communication link in the employed mobile broadband network.
3. mobile device according to claim 1 is in the method for rete mirabile switching, it is characterized in that, described switch control unit judges whether that according to the signal strength signal intensity of the wireless broadband network that detects the step of carrying out the switching between described wireless broadband network and the mobile broadband network comprises:
When described mobile device is operated in described mobile broadband network, if the signal strength signal intensity of described wireless broadband network is higher than first threshold, then determine described mobile device is switched to described wireless broadband network from described mobile broadband network;
When described mobile device is operated in described wireless broadband network, if the signal strength signal intensity of described wireless broadband network is lower than Second Threshold, then determine described mobile device is switched to described mobile broadband network from described wireless broadband network.
4. mobile device according to claim 1 is in the method for rete mirabile switching, it is characterized in that, the step of utilizing ppp protocol stack in the described baseband processor and described mobile broadband communication unit to set up the mobile broadband communication link in described mobile broadband network comprises:
Described switch control unit is initiated the PPP dialing by the ppp protocol stack in the described baseband processor of RIL interface interchange;
Described ppp protocol stack processing unit is set up the mobile broadband communication link alternately by described mobile broadband communication unit and access network controller and network side access point, with carrying PPP information message.
5. mobile device according to claim 1 is in the method for rete mirabile switching, it is characterized in that, the described step of utilizing ppp protocol stack in Session Initiation Protocol stack, the described baseband processor and described wireless broadband communication unit to set up the wireless broadband communication link in described wireless broadband network comprises:
Described switch control unit calls the Session Initiation Protocol stack, sets up communication link between described mobile device and the target WAG by described wireless broadband communication unit;
Described switch control unit is by the ppp protocol stack in the described baseband processor of RIL interface interchange, utilizes described wireless broadband communication unit to set up PPP information link between described mobile device and the network side access point, to carry the PPP information message.
6. mobile device according to claim 5 is in the method for rete mirabile switching, it is characterized in that, described baseband processor also comprises the tunnel encapsulation unit, and described tunnel encapsulation unit carries out tunnel encapsulation/tunnel decapsulation to the data of transmitting between described mobile device and described target WAG.
7. mobile device based on the Android system, it is characterized in that, comprise application processor and baseband processor, described application processor comprises wireless broadband communication unit and switch control unit, described baseband processor comprises mobile broadband communication unit, ppp protocol stack processing unit and tunnel encapsulation unit, wherein
Described switch control unit, be used under service connected state signal strength signal intensity according to the wireless broadband network that detects and judge whether to carry out switching between described wireless broadband network and the mobile broadband network, call the Session Initiation Protocol stack and realize the SIP session, the PPP information message that just transmitting in described wireless broadband network of intercepting also will be from PPP information message routing that described wireless broadband network intercepts in described mobile broadband network, and the PPP information message that intercepting is just being transmitted in described mobile broadband network also will be from PPP information message routing that described mobile broadband network intercepts in described wireless broadband network;
Described ppp protocol stack processing unit, be used in the situation that determine that switching to described mobile broadband network from described wireless broadband network utilizes the ppp protocol stack of described ppp protocol stack processing unit to set up the mobile broadband communication link described mobile broadband network, in the situation that determine that switch to described wireless broadband network from described mobile broadband network utilizes the ppp protocol stack the described ppp protocol stack processing unit to set up the wireless broadband communication link in described wireless broadband network, and the data message that receives carried out PPP information message after encapsulation/decapsulation and the transmission process;
Described mobile broadband communication unit, be used in the situation that determine that switching to described mobile broadband network from described wireless broadband network utilizes the ppp protocol stack of described ppp protocol stack processing unit to set up the mobile broadband communication link described mobile broadband network, with carrying PPP information message;
Described wireless broadband communication unit, be used in the situation that determine that switching to described wireless broadband network from described mobile broadband network utilizes the ppp protocol stack of described ppp protocol stack processing unit to set up the wireless broadband communication link described wireless broadband network, with carrying PPP information message;
Described tunnel encapsulation unit is used for the data of transmitting between described mobile device and target WAG are carried out tunnel encapsulation/tunnel decapsulation.
8. the mobile device based on the Android system according to claim 7, it is characterized in that, described switch control unit also is used in the mobile broadband communication link bearer of utilizing described mobile broadband network to set up after the PPP information message that described wireless broadband network intercepts, cut off the wireless broadband communication link in the employed wireless broadband network, and the wireless broadband communication link bearer of having set up in utilizing described wireless broadband network is cut off the mobile broadband communication link in the employed mobile broadband network after the PPP information message that described mobile broadband network intercepts.
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| CN107333304A (en) * | 2016-04-28 | 2017-11-07 | 展讯通信（上海）有限公司 | Terminal and its processing method of voice and video service switching |
| CN110234110A (en) * | 2019-06-26 | 2019-09-13 | 恒宝股份有限公司 | A kind of mobile network's automatic switching method |
| CN114189927A (en) * | 2021-12-28 | 2022-03-15 | 浙江大华技术股份有限公司 | Network link transfer method, device, electronic equipment and storage medium |
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| CN105763665A (en) * | 2015-12-17 | 2016-07-13 | 国家电网公司 | RTP relay technology-based mobile network NAT (Network Address Translation) traversal system |
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| CN107333304B (en) * | 2016-04-28 | 2019-12-03 | 展讯通信（上海）有限公司 | Terminal and its processing method of voice and video service switching |
| CN110234110A (en) * | 2019-06-26 | 2019-09-13 | 恒宝股份有限公司 | A kind of mobile network's automatic switching method |
| CN110234110B (en) * | 2019-06-26 | 2021-11-02 | 恒宝股份有限公司 | Automatic switching method for mobile network |
| CN114189927A (en) * | 2021-12-28 | 2022-03-15 | 浙江大华技术股份有限公司 | Network link transfer method, device, electronic equipment and storage medium |
| CN114189927B (en) * | 2021-12-28 | 2024-02-27 | 浙江大华技术股份有限公司 | Network link transfer method and device, electronic equipment and storage medium |
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| CN103313332B (en) | 2016-06-22 |
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