WO2012065387A1 - 一种双网终端进行通讯的方法和装置 - Google Patents
一种双网终端进行通讯的方法和装置 Download PDFInfo
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- WO2012065387A1 WO2012065387A1 PCT/CN2011/071570 CN2011071570W WO2012065387A1 WO 2012065387 A1 WO2012065387 A1 WO 2012065387A1 CN 2011071570 W CN2011071570 W CN 2011071570W WO 2012065387 A1 WO2012065387 A1 WO 2012065387A1
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- Prior art keywords
- network
- wireless communication
- service
- communication subsystem
- identity
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0853—Network architectures or network communication protocols for network security for authentication of entities using an additional device, e.g. smartcard, SIM or a different communication terminal
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to the field of mobile communications, and in particular, to a method and apparatus for communicating between dual-network terminals.
- the technical problem to be solved by the present invention is to provide a method and apparatus for communication between dual-network terminals, so that a dual-network terminal uses a SIM card to communicate with 2G and 3G networks.
- the present invention provides a method for communication between dual-network terminals, where the dual-network terminal is a dual-network dual-standby terminal, and the dual-network dual-standby terminal includes: an application subsystem, a 3G wireless communication subsystem, and 2G.
- the identity card management module is connected to an identity identification card, and the identity identification card stores information for identity authentication of a 2G network and a 3G network
- the 3G wireless communication device The system is connected to the application subsystem and the identity card management module, the 2G wireless communication subsystem is connected to the application subsystem and the identity card management module, and the method includes: the identity card management module reads And storing the information in the identity card; the 2G wireless communication subsystem reads the information of the identity card in the identity card management module, and uses the read information to communicate with the 2G network; The 3G wireless communication subsystem reads the information of the identification card in the identity card management module, and uses the read information. 3G network communication.
- the method further includes: when the user of the dual-network dual standby terminal initiates a service, the application subsystem selects a network according to a service type, when the initiated service is a packet switched (PS) service, or is circuit switched (CS) In the videophone service in the service, the application subsystem selects a 3G network, and when the initiated service is a CS service other than the videophone service, the application subsystem selects the 2G network; and when the selected network satisfies the signal In the case of intensity, the wireless communication subsystem corresponding to the selected network communicates through the selected network.
- PS packet switched
- CS circuit switched
- the method further includes: when the initiated service is a PS service, and the application subsystem selects a 3G network, if the application subsystem determines the signal strength of the current 3G network according to the 3G wireless communication subsystem, When the PS service is initiated, the 2G wireless communication subsystem is notified to activate the 2G data link of the 2G network to initiate the service; when the initiated service is a PS service, the 3G wireless communication subsystem communicates through the 3G network.
- the application subsystem if the application subsystem is monitored according to the 3G wireless communication subsystem The signal strength of the former 3G network determines that the signal strength of the current 3G network is weakened to be unable to carry the PS service, and the application subsystem notifies the 3G wireless communication subsystem and the 2G wireless communication subsystem to perform the PS service.
- Corresponding Packet Data Protocol (PDP) data link is switched from a 3G data link to a 2G data link; and when the 2G wireless communication subsystem uses a 2G data link for PS services, when the application subsystem is configured according to the The signal strength of the current 3G network monitored by the 3G wireless communication subsystem determines that the signal strength of the current 3G network is enhanced to carry the PS service, and the application subsystem notifies the 3G wireless communication subsystem and the 2G wireless communication The subsystem switches the PDP data link corresponding to the PS service from the 2G data link to the 3G data link.
- PDP Packet Data Protocol
- the identity card management module In the step of the identity card management module reading and saving the information in the identity card, the identity card management module reads and identifies a public land mobile network (PLMN) identifier in the identity card.
- PLMN public land mobile network
- TMSI Temporary Identification Number
- LAI Location Area Identification
- the method further includes: in the process of communicating between the 2G wireless communication subsystem and the 2G network, if the International Mobile Subscriber Identity (IMSI) of the identity card needs to be sent to the 2G network, the 2G wireless communication subsystem Accessing the identity card by the identity card management module to obtain an IMSI of the identity card; and transmitting the identity to the 3G network during communication between the 3G wireless communication subsystem and the 3G network
- IMSI of the card, the 3G wireless communication subsystem accesses the identity identification card through the identity card management module, and acquires an IMSI of the identity identification card.
- the 3G network is a time division synchronous code division multiple access (TD-SCDMA) network, a wideband code division multiple access (WCDMA) network or a CDMA2000 network, and the 2G network is a global mobile communication system (GSM) network or a code division. Address (CDMA).
- TD-SCDMA time division synchronous code division multiple access
- WCDMA wideband code division multiple access
- CDMA2000 Code Division Multiple Access 2000
- GSM global mobile communication system
- CDMA code division. Address
- the present invention provides a device for communicating by a dual network terminal, where the dual network terminal is a dual network dual standby terminal, and the dual network dual standby terminal includes: a 3G wireless communication subsystem and a 2G wireless communication subsystem. And an identity card management module, the identity card management module and an identity The identification card is connected with information for identity authentication of the 2G network and the 3G network, and the 3G wireless communication subsystem is connected to the application subsystem and the identity card management module, and the 2G wireless communication device The system is connected to the application subsystem and the identity card management module, where
- the identity card management module is configured to: read and save information in the identity card;
- the 2G wireless communication subsystem is configured to: read information of the identity card in the identity card management module, and Using the read information, communicating with the 2G network;
- the 3G wireless communication subsystem is configured to: read the information of the identification card in the identity card management module, and use the read information to communicate with the 3G network .
- the device further includes an application subsystem; the application subsystem is configured to: when the user of the dual-network dual-standby terminal initiates a service, select a network according to a service type, when the initiated service is a packet switched (PS) service, or When the videophone service in the circuit switched (CS) service is used, the 3G network is selected and notified to the 3G wireless communication subsystem.
- PS packet switched
- CS circuit switched
- the 2G wireless communication subsystem is further configured to: monitor the signal strength of the current 3G network, and inform the application subsystem of the signal strength of the current 3G network; and, when the application subsystem selects the 3G network And when the 3G network satisfies the condition of the signal strength, the communication is performed through the 3G network; the 2G wireless communication subsystem is further configured to: when the application subsystem selects the 2G network, and the 2G network satisfies the condition of the signal strength, the 2G network performs communication.
- the application subsystem is further configured to: when the initiated service is a PS service, according to the signal strength of the current 3G network monitored by the 3G wireless communication subsystem, when it is determined that the PS service cannot be initiated, notify the The 2G wireless communication subsystem activates the 2G data link of the 2G network to initiate the PS service; when the initiated service is the PS service, in the process of communicating through the 3G network, if it is detected according to the 3G wireless communication subsystem
- the signal strength of the current 3G network when the signal strength of the current 3G network is weakened to be unable to carry the PS service, the 3G wireless communication subsystem and the 2G wireless communication subsystem are notified, and the packet data protocol corresponding to the PS service is determined.
- PDP data link is switched from 3G data link to 2G data link; further used in
- the 2G wireless communication subsystem uses the 2G data link to perform the PS service, when the signal strength of the current 3G network monitored by the 3G wireless communication subsystem is determined, it is determined that the signal strength of the current 3G network is enhanced to carry the PS service.
- the 3G wireless communication subsystem and the 2G wireless communication subsystem are notified to switch the PDP data link corresponding to the PS service from the 2G data link to the 3G data link.
- the identity card management module is configured to read and save information in the identity card as follows: when reading and saving information in the identity card, reading and identifying the card in the identity card One or more of the three parameters of the Public Land Mobile Network (PLMN) Identity, Temporary Identification Number (TMSI), and Location Area Identity (LAI) are saved locally.
- PLMN Public Land Mobile Network
- TMSI Temporary Identification Number
- LAI Location Area Identity
- the 2G wireless communication subsystem is further configured to: if the international mobile subscriber identity (IMSI) of the identity card needs to be sent to the 2G network during communication with the 2G network, pass the identity identification card
- the management module accesses the identity card to obtain the IMSI of the identity card
- the 3G wireless communication subsystem is further configured to: if the identity card needs to be sent to the 3G network during communication with the 3G network
- the IMSI accesses the identity card through the identity card management module to obtain the IMSI of the identity card.
- the 3G network is a time division synchronous code division multiple access (TD-SCDMA) network, a wideband code division multiple access (WCDMA) network or a CDMA2000 network, and the 2G network is a GSM network or a code division multiple access (CDMA) network.
- TD-SCDMA time division synchronous code division multiple access
- WCDMA wideband code division multiple access
- CDMA2000 Code Division Multiple Access
- CDMA2000 code division multiple access
- the dual network dual standby function is realized by using only a single SIM card, which is advantageous to hardware and structural parts design and saves cost compared with other dual network dual standby dual card dual number terminals. .
- the present invention adopts dual-network dual-standby technology while taking into account the 2G network circuit switching (CS) domain service expertise and the data service expertise of the 3G network.
- CS network circuit switching
- FIG. 1 is a schematic diagram of a device for communicating by a dual-network dual-standby terminal according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of a device for communicating by a dual-network dual-standby terminal according to an application example of the present invention
- the dual-network dual-standby terminal uses the dual-network dual-standby single-card single number of the dual modem module (Modem) architecture.
- the dual-network dual standby terminal includes an application (AP) subsystem, a 3G wireless communication subsystem, a 2G wireless communication subsystem, and an identity card management module (Subscriber Identity Module, SIM).
- AP application
- 3G wireless communication subsystem 3G wireless communication subsystem
- 2G wireless communication subsystem a 2G wireless communication subsystem
- SIM Subscriber Identity Module
- the identity card management module is connected with a user identity identification (SIM) card, and the identity identification card stores information for identity authentication of the 2G network and the 3G network, and the 3G wireless communication subsystem and
- the application subsystem is connected to the identity card management module, and the 2G wireless communication subsystem is connected to the application subsystem and the identity card management module.
- the 3G wireless communication subsystem and the 2G wireless communication subsystem form a wireless communication (CP) subsystem.
- a dedicated processor such as a single chip microcomputer or an ARM
- 2G wireless communication subsystem and 3G wireless communication subsystem pass the identity card management module.
- Access the identification card which makes the management of the identity card more flexible and efficient.
- the identity card management module may specifically be a SIM card management module
- the identity identification card may specifically be a SIM card.
- the identity card management module reads and stores information in the identity card; the 2G wireless communication subsystem and the 3G wireless communication subsystem read the The identity card manages the identity card information in the module and uses the read information to communicate with the corresponding network. That is: the 2G wireless communication subsystem reads the information of the identification card in the identity card management module, and uses the read information to communicate with the 2G network; and, the 3G wireless communication subsystem reads the identity card management The module identifies the card's information and uses the read information to communicate with the 3G network.
- the identity card management module reads the information in the identity card
- all or part of the information in the identity card may be saved locally, for example, the public land mobile network in the identity card may be One or more of the three parameters (Public Land Mobile Network, PLMN) identification, Temporary Mobile Subscriber Identity (TMSI) and Location Area Identification (LAI) are saved locally.
- PLMN Public Land Mobile Network
- TMSI Temporary Mobile Subscriber Identity
- LAI Location Area Identification
- the International Mobile Subscriber Identification Number (IMSI) of the identity card may not be saved in the identity card management module, in the process of communicating between the 2G wireless communication subsystem and the 2G network, if needed Sending the IMSI of the identity card to the 2G network, the 2G wireless communication subsystem accesses the identity card through the identity card management module to obtain the IMSI of the identity card; and communicates with the 3G network in the 3G wireless communication subsystem In the process, if the IMSI of the identity card needs to be sent to the 3G network, the 3G wireless communication subsystem accesses the identity card through the identity card management module to obtain the IMSI of the identity card.
- IMSI International Mobile Subscriber Identification Number
- the service can be offloaded, that is, the bandwidth of the 3G network is large, and the data service is suitable for the data service, and the 2G network optimization work is accumulated more, and the 2G service such as voice is better supported, and the 2G and the terminal side are utilized.
- 3G dual-network dual-standby packet switching (PS) service, circuit switching (CS) service traffic distribution that is, 2G network bears CS service, 3G network bears PS data service
- PS packet switching
- CS circuit switching
- the application subsystem selects a network according to the service type, and when the initiated service is a PS service, or is a videophone service in the CS service, The application subsystem selects the 3G network, and when the initiated service is a CS service other than the videophone service, the application subsystem selects the 2G network; when the selected network satisfies the letter In the condition of the strength of the number, the wireless communication subsystem corresponding to the selected network communicates through the selected network.
- the videophone service needs to select a 3G network when the user initiates the videophone service, because the service in the CS domain must be carried over the 3G network.
- the above condition for satisfying the signal strength means that the signal strength of the network can carry related services (ie, the initiated service).
- the condition for satisfying the signal strength may be determined.
- the initiated PS service can be adjusted in the following manner, including:
- the initiated service is a PS service
- the application subsystem selects a 3G network
- the application subsystem determines the signal strength of the current 3G network monitored by the 3G wireless communication subsystem, it is determined that the PS cannot be initiated.
- the 2G wireless communication subsystem is notified to activate the 2G data link of the 2G network, and the service is initiated;
- the initiated service is a PS service
- the 3G wireless communication subsystem performs communication through the 3G network
- the application subsystem is based on the signal strength of the current 3G network monitored by the 3G wireless communication subsystem
- the application subsystem notifies the 3G wireless communication subsystem and the 2G wireless communication subsystem, and the packet data protocol corresponding to the PS service (Packet) Data Protocol (PDP)
- PDP Packet Data Protocol
- the application subsystem uses the 2G data link to perform the PS service
- the application subsystem determines the signal strength of the current 3G network according to the signal strength of the current 3G network monitored by the 3G wireless communication subsystem.
- the application subsystem notifies the 3G wireless communication subsystem and the 2G wireless communication subsystem to switch the PDP data link corresponding to the PS service from the 2G data link to the 3G data link. Data link.
- the application subsystem may determine the signal strength of the current 3G network. If the threshold is less than or equal to the specified threshold, it may determine that the PS service cannot be initiated or the PS service is carried.
- the determination may be Carrying the PS service.
- the specified thresholds used in the above three cases may be equal or unequal.
- the service initiated is a videophone service, but the application subsystem is based on the 3G. The signal strength of the current 3G network monitored by the wireless communication subsystem determines that the videophone service cannot be initiated, and the application subsystem controls the videophone service to fall back to the normal voice service, and then notifies the 2G wireless communication subsystem. Initiate the voice service.
- the above 3G network may be a TD-SCDMA network, a Wideband Code Division Multiple Access (WCDMA) network or a CDMA2000 network
- the 2G network may be a GSM network, a Code Division Multiple Access (CDMA) network, or the like.
- the 3G network is mainly used as the TD-SCDMA network
- the 2G network is described as the GSM network, but is not limited thereto, and other types of 3G networks and 2G networks are also applicable to the present invention.
- the present invention can operate a SIM card management module to manage a SIM card using a dedicated processor, and two independent wireless communication subsystems access the SIM card through the SIM card management module, and implement a double on the basis of using one SIM card.
- the network dual standby function divides different services.
- the following is a description of a 3G network as a TD-SCDMA network, and a 2G network as an application example of a GSM network. As shown in Figure 2, this example uses "AP (application) + TD-SCDMA Modem (wireless) +
- GSM Modem (Wireless) "Three-core architecture TD-SCDMA / GSM dual-network dual-standby mobile phone to achieve CS and PS services 2G and 3G network bearer offload, of which AP part is the main module responsible for the application, two wireless communication subsystem
- the TD-SCDMA modem and the GSM modem are responsible for the interaction with the 2G and 3G networks respectively.
- a dedicated processor is used to run the SIM card management module to manage one SIM card.
- the card management module can directly access the SIM card and save the data of the SIM card to the SIM card management module.
- the TD-SCDMA Modem and the GSM Modem access the SIM card through the SIM card management module to realize two theoretical independent wireless communication modules.
- the function of accessing the same SIM card is to achieve the dual-network dual-standby single-card single number.
- the dual-network dual-standby single-card single number in this embodiment implements CS of 2G and 3G dual-network dual-standby terminals.
- the device for offloading with the PS service includes the following modules:
- the AP subsystem has an application processor module of an independent CPU, and is a main control system of the mobile terminal. Responsible for completing the interaction with the user. If the user needs to perform wireless communication or SIM card operation, the system is responsible for controlling the corresponding wireless communication system to complete related functions.
- the subsystem has the following features:
- each service is classified.
- the user initiates a service, it is judged that if it is a CS service, it is initiated from the GSM wireless communication subsystem. If it is a PS service, Then it is initiated from the TD-SCDMA wireless communication subsystem.
- the videophone service is also initiated by the TD-SCDMA wireless communication subsystem.
- Adjust the current PS service strategy of the terminal according to the signal strength of the TD-SCDMA network monitored by the TD-SCDMA wireless communication subsystem. For example, when the signal strength of the TD-SCDMA network monitored by the TD-SCDMA wireless communication subsystem is insufficient to support the initiation of related data services, the application subsystem can activate the 2G data link to initiate related services through the GSM wireless communication subsystem. When the terminal is using the default TD-SCDMA network for data service, the network signal at the location becomes weak enough to support the related services, the application subsystem is responsible for switching the relevant PDP data link to the GSM wireless carrier. The system is responsible for the 2G data link to continue the normal operation of related services.
- GSM wireless communication subsystem The GSM wireless communication subsystem is responsible for interacting with the GSM network and carrying various CS services.
- the GSM wireless communication subsystem includes the GSM Modem (in this example, the GSM wireless communication subsystem can be considered as the GSM Modem), which is mainly responsible for the bearer of all CS domain services except the videophone of the entire terminal, and the TD-SCDMA signal is poor.
- the data service is temporarily carried over the 2G data link.
- the GSM Modem and SIM card management module are connected by hardware, such as UART, USB, I2C bus, etc., to facilitate reading the parameters of the SIM card from the SIM card management module during GSM Modem initialization.
- C TD-SCDMA wireless communication subsystem
- the TD-SCDMA wireless communication subsystem is responsible for interacting with the TD-SCDMA network to carry various PS services and videophone functions.
- the TD-SCDMA wireless communication subsystem includes the TD-SCDMA Modem (in this example, the TD-SCDMA wireless communication subsystem is considered to be the TD-SCDMA Modem).
- the TD-SCDMA Modem of this embodiment is different from the TD-SCDMA Modem currently in commercial use. It does not have the TD-SCDMA/GSM dual mode switching function, and only works in the 'TD-SCDMA ONLY' mode. It is mainly responsible for data communication based on TD-SCDMA network and data interaction of videophone service. And the signal strength monitoring of the TD-SCDMA network where the current terminal is located, and when the signal is weak to a certain value, the AP application subsystem is notified to switch the PS service to the GSM wireless communication subsystem.
- the TD-SCDMA Modem and SIM card management module are connected by hardware, such as UART, USB, I2C bus, etc., which is convenient for reading the SIM card parameters from the SIM card management module during TD-SCDMA Modem initialization.
- the SIM card management module is responsible for directly managing the SIM card and providing the TD-SCDMA Modem and GSM Modem access to the SIM card interface.
- the SIM card management module is responsible for initializing the SIM card, and storing most of the parameters of the SIM card in the SIM card management module, such as PLMN, TMSI, and LAI, ready to read by TD-SCDMA Modem and GSM Modem. Take, complete the network registration of TD-SCDMA Modem and GSM Modem. When the SIM card needs to be accessed, the TD-SCDMA Modem and the GSM Modem can access the SIM card through the interface provided by the SIM card management module.
- this example is equivalent to the two SIMs accessing the same SIM card at the same time to realize the dual-network dual-standby single-card single number function.
- the SIM card management module since the SIM card is actually attached to the SIM card management module, the TD-SCDMA modem and the GSM Modem access the SIM card through the SIM card management module, so in the boot process, the SIM card management is first performed.
- the SIM card management module When the module is powered on, the SIM card management module first completes the SIM card initialization, and is responsible for storing most of the parameters of the SIM card in the SIM card management module, such as PLMN, TMSI, and LAI.
- the TD-SCDMA Modem and the GSM Modem After powering up the TD-SCDMA Modem and the GSM Modem, the TD-SCDMA Modem and the GSM Modem read the SIM card parameters from the SIM card management module, initiate the initialization process of the protocol stack, and the authentication algorithm still needs to pass the TD-SCDMA modem and the GSM Modem.
- the interface provided by the SIM card management module accesses the SIM card, and finally the IMSI number of the same SIM card is corresponding to the TD-SCDMA network and the GSM network.
- the application subsystem invokes the GSM wireless communication subsystem and the GSM network according to the logic of "CS service goes GSM network, PS service goes TD-SCDMA network". Interact and carry traffic with the other party through the GSM network.
- the network device When called, the network device establishes a link and carries the service according to the information registered by the terminal on the network side (mainly the IMSI number used by the terminal to register the GSM network) and the GSM wireless communication subsystem of the terminal. The same is true for other CS business processes such as SMS.
- the TD-SCDMA videophone service based on the CS circuit domain needs to be carried by the TD-SCDMA network.
- the application subsystem After the user initiates the call, the application subsystem will call the TD-SCDMA wireless communication subsystem and the TD-SCDMA network. Perform interaction and data hosting.
- the network device When called, the network device establishes a link and carries the service according to the information registered by the terminal on the network side (mainly the IMSI number used by the terminal to register the TD-SCDMA network) and the TD-SCDMA wireless communication subsystem of the terminal.
- the application subsystem When the user accesses the Internet through the browser, when the user inputs the relevant web address in the browser, the application subsystem first queries the signal strength of the TD-SCDMA network where the current terminal is located through the TD-SCDMA wireless communication subsystem.
- the TD-SCDMA wireless communication subsystem and the corresponding network service device establish a data link channel based on the TD-SCDMA network and perform related service data interaction.
- the application subsystem will actively establish a data link channel based on the GSM network through the GSM wireless communication subsystem and the corresponding network service device to replace the TD-SCDMA network to complete the Internet service. .
- the terminal uses the default TD-SCDMA wireless
- the communication subsystem and the TD-SCDMA network are connected to the Internet
- the terminal application subsystem will actively disconnect the PDP data link based on the TD-SCDMA network through the TD-SCDMA wireless communication subsystem, and immediately
- the GSM wireless communication subsystem is called to establish a data link between the terminal and the GSM network, and the online service has been maintained.
- the application subsystem learns that the TD-SCDMA network signal is restored to meet the data service requirements through the TD-SCDMA wireless communication subsystem, and the relevant PDP data link is The road switches back to the TD-SCDMA data link.
- Other forms of data services are basically similar to the process of surfing the Internet through a browser, and no mention is made here.
- the MMS service and the Push Push mail service are complicated by the special PUSH notification message mechanism in the business process, and the interaction process when passively receiving the related MMS and PushMail mail.
- the network side Since the PUSH notification message belongs to the CS domain category, the network side first sends the relevant PUSH notification message to the application subsystem of the terminal through the GSM network and the GSM communication subsystem, and the application subsystem then performs scheduling according to the current network situation and according to the related PS service policy. .
- each module/unit in the foregoing embodiment may be implemented in the form of hardware, or may use software functions.
- the form of the module is implemented.
- the invention is not limited to any specific form of combination of hardware and software.
- the dual network dual standby function is realized by using only a single SIM card, which is advantageous for hardware and structural design compared with other dual network dual standby dual card dual terminals. Saved Ben.
- the present invention reduces the dual-mode handover probability through the dual-network dual-standby technology while taking into account the CS domain service expertise of the 2G network and the data service expertise of the 3G network. Only partial switching in the data service), which fundamentally reduces and avoids 2G and 3G dual-mode single-standby terminals.
Description
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Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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US13/636,467 US8989749B2 (en) | 2010-11-15 | 2011-03-07 | Method and apparatus for a dual-network terminal to perform communication |
EP11842278.1A EP2544504A4 (en) | 2010-11-15 | 2011-03-07 | METHOD AND DEVICE FOR A DUAL NETWORK TERMINAL FOR COMMUNICATION |
KR1020127025261A KR101412091B1 (ko) | 2010-11-15 | 2011-03-07 | 이중 네트워크 터미널이 통신을 진행하는 방법 및 장치 |
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CN2010105436517A CN101984729A (zh) | 2010-11-15 | 2010-11-15 | 一种双网双待终端进行通讯的方法和装置 |
CN201010543651.7 | 2010-11-15 |
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EP (1) | EP2544504A4 (zh) |
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CN103686678A (zh) * | 2012-09-26 | 2014-03-26 | 展讯通信(上海)有限公司 | 协议栈模块、基带芯片、移动终端及其找网方法 |
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CN101984729A (zh) | 2011-03-09 |
EP2544504A1 (en) | 2013-01-09 |
EP2544504A4 (en) | 2014-02-26 |
US8989749B2 (en) | 2015-03-24 |
KR20120127661A (ko) | 2012-11-22 |
US20130012266A1 (en) | 2013-01-10 |
KR101412091B1 (ko) | 2014-06-26 |
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