WO2007033547A1 - A mode switching method for phs & gsm dual mode mobile terminal - Google Patents

Abstract

A mode switching method for PHS & GSM dual mode mobile terminal is disclosed. According to the mode switching command, the method would determine the target standby mode and current standby mode, and the terminal having the conditions to switch to the target standby mode firstly, compare the target standby mode and current standby mode, and determine the network connections to be disconnected and/or to be opened, then disconnect the network connections to be disconnected in turn and open the RF modules and protocol stack of the network connections to be opened in turn, find the network and register, complete the switch, save the standby mode newly set and adjust the function and the interface of the man machine interface based on the mode. The invention achieves the standby mode switch of the PHS & GSM dual mode mobile terminal, supports the flexible selection of the network connections needed by the user, thus the user could select suitable network service based on the charge, the need of roaming, the requirement for smaller electromagnetic radiation and the network status, thus technical features of the dual mode hand-phone are exerted, the usage of the user is more convenient.

Description

 Mode switching method for PHS and GSM dual mode mobile terminal

Technical field

 The present invention relates to a personal handy phone system (PHS) and a global mobile communication system (GSM) dual mode mobile terminal, and more particularly to a mode switching method for PHS and GSM dual mode mobile terminals. Background technique

 PHS, also known as the Personal Handy-phone System (PHS) or wireless local telephone system, is a personal wireless access system. The PHS mobile phone has the same convenient mobility as GSM mobile phones and CDMA mobile phones, and its outstanding feature is that the transmitting power is small (the small transmitting power also means less radiation damage to the human body), the average power of the call is within 10mW, and the peak power is also In the range of 80mW, it is much smaller than the transmission power of GSM mobile phones (peak power is 2W), which is much smaller than the so-called "green mobile phone" CDMA mobile phone (usually 0.2W), which is called a real green mobile phone. At the same time, consumers can enjoy low call charges due to the extension and beneficial complement of fixed telephones. Therefore, PHS has now achieved more use in China.

 However, since PHS has not yet implemented the function of roaming, many users now have to use GSM and PHS mobile terminals at the same time, which is very inconvenient to carry. Therefore, GSM and PHS dual-mode mobile phones have a good application basis.

 After the dual-mode phone is turned on normally, it can have the following four standby modes: zero standby, PHS single standby, GSM single standby, and PHS and GSM simultaneous standby (hereinafter referred to as dual standby). In the case of zero standby, the mobile phone turns off the RF module and the protocol stack, disconnects the network, and the user can only use other functions than the communication service. In the PHS or GSM single standby mode, the dual-mode mobile phone is equivalent to a PHS mobile phone in the usual sense. GSM mobile phone; In dual standby, the mobile phone is connected to the GSM and PHS networks at the same time, which is equivalent to using one ordinary PHS mobile phone and one ordinary GSM mobile phone at the same time.

From the application point of view, the user needs to flexibly choose the standby mode. For example, when the user is local, in order to save costs and avoid large electromagnetic radiation, PHS single standby is selected; in the field, GSM single standby is selected for roaming; local but PHS signal is not good. When choosing PHS/GSM dual standby. Therefore, there is a need for a flexible and efficient mode switching method for dual-mode mobile phones to meet the needs of users. This type of demand for standby mode

 The technical problem to be solved by the present invention is to provide a mode switching method for PHS and GSM dual-mode mobile terminals, which realizes flexible switching of the standby mode of the dual-mode mobile phone.

 To solve the above technical problem, the present invention provides a mode switching method for a PHS and GSM dual mode mobile terminal for dual mode mobile terminal switching between zero standby, PHS single standby, GSM single standby, and PHS and GSM dual standby modes. , including the following steps:

 (101) determining a target standby mode and a current standby mode according to the mode switching command; (102) determining that the terminal has a condition for switching to the target standby mode;

 ( 103 ) Compare the target standby mode with the current standby mode to determine the network connection that needs to be disconnected or / and needs to be opened;

 (104) Disconnect the network connection that needs to be disconnected in turn, turn on the radio module and protocol stack of the network connection that needs to be opened, and perform network search and registration.

Further, the above method may further have the following features: The step (104) further includes the following steps: (105) saving the newly set standby mode and adjusting the function and interface of the human machine interface according to the mode.

 Further, the foregoing method may further have the following features: After disconnecting the network connection that needs to be disconnected in the step (104), further closing the radio frequency module and the protocol stack of the network connection that needs to be disconnected.

 Further, the foregoing method may further have the following features: the condition that the terminal has the switch to the target standby mode in the step (102) is: the terminal hardware state satisfies the condition for initiating the network search and registration, or satisfies the initiation of the network search and the The conditions for making an emergency call when registering.

 Further, the above method may further have the following features: In the step (102), if the terminal does not have the condition for switching to the target standby mode, the handover process is ended.

Further, the above method may further have the following features: In the step (103), if the terminal does not need to be disconnected, and there is no network connection that needs to be opened, the east handover process is performed. Further, the above method may also have the following features: The step (103) determines the network connection that needs to be disconnected or/and needs to be opened in the following manner:

 If the terminal is currently in PHS single standby, or PHS and GSM dual standby, and the target standby mode of the handover is GSM single standby or zero standby, it is determined that the PHS network connection needs to be disconnected after comparison;

 If the terminal is currently in GSM single standby, or PHS and GSM dual standby, and the target standby mode of the handover is PHS single standby or zero standby, then it is determined that the GSM network connection needs to be disconnected after comparison;

 If the terminal is currently in zero standby or PHS single standby, and the target standby mode of the handover is GSM single standby or PHS and GSM dual standby, then it is determined that the GSM network connection needs to be opened after comparison; if the terminal is currently in zero standby or GSM single standby, and The target standby mode of the switch is PHS single standby or PHS and GSM dual standby, then it is determined that the PHS network connection needs to be opened after comparison.

Further, the foregoing method may further have the following features: In the step (104): if the disconnected network connection is a PHS network connection, disconnect the PHS network connection, and close the PHS protocol stack and the radio frequency module;

 If the disconnected network connection is a GSM network connection, disconnect the GSM network connection and close the GSM protocol stack and RF module;

 If the network connection that needs to be opened is a GSM network connection, open the GSM RF module and the protocol stack, find the GSM network and register it;

 If the network connection that needs to be opened is a PHS network connection, open the PHS RF module and the protocol stack, find the PHS network and register.

Further, the foregoing method may further have the following features: first performing a network search and a registered network connection to limit the process of searching for a network and performing registration. If the network registration process is not completed after a specified time, the process does not continue, and the process is immediately performed. The next step. Further, the foregoing method may further have the following features: The method for obtaining the mode switching command in the step (101) includes: when the device is powered on, the terminal automatically acquires a mode switching command, and the target standby mode is a standby mode saved in the terminal setting; In the subsequent idle state, the terminal acquires a mode switching command issued by the user, and the target standby mode is a standby mode selected by the user.

The mode switching method of the PHS and GSM dual-mode mobile terminal provided by the invention can enable the user to flexibly select the standby mode, thereby flexibly selecting the connected network, so that the user can select the small electromagnetic according to the tariff, the roaming demand. Radiation requirements, network conditions, etc. select appropriate network services, and play the technical characteristics of dual-mode mobile phones, giving users maximum flexibility.

BRIEF abstract

 1 is a schematic flow chart of a mode switching method of a PHS and a GSM dual mode mobile terminal according to an embodiment of the present invention.

 FIG. 2 is a schematic flow chart of a specific implementation technical solution of a mode switching method according to an embodiment of the present invention.

Preferred embodiment of the invention

 The mode switching method for a PHS and GSM dual-mode mobile terminal provided by the present invention, as shown in FIG. 1, includes the following steps:

 Determining a target standby mode and a current standby mode according to the mode switching command (step 101); determining that the terminal has a condition for switching to the target standby mode (step 102);

 Comparing the target standby mode with the current standby mode, determining that a network connection that needs to be disconnected or/and needs to be opened (step 103);

 Disconnect the network connection that needs to be disconnected, turn on the radio module and protocol stack of the network connection that needs to be opened, and perform network search and registration (step 104).

The mode switching method of the PHS and GSM dual-mode mobile terminal, after the step (104), further includes the following steps: Save the newly set standby mode and adjust the functions and interfaces of the display unit according to the mode (steps)

105).

 After disconnecting the network connection that needs to be disconnected, the RF module and the protocol stack of the network connection that needs to be disconnected are further closed.

 The condition that the terminal has the switch to the target standby mode is: the hardware state of the terminal satisfies the condition for initiating the network search and registration, or the condition for initiating the network search and making an emergency call without registration, such as the terminal having sufficient power, etc. . For example, if the user does not insert a SIM card, the user should be allowed to connect to the GSM network to meet the possibility of making an emergency call.

 In the step (step 102) of the determining terminal having the condition for switching to the target standby mode, if the terminal does not have the condition for switching to the target standby mode, the switching process is ended.

 In the step of comparing the target standby mode and the current standby mode (step 103), if the terminal does not need to be disconnected and there is no network connection that needs to be opened, the handover process is ended.

The specific implementation steps of the method of the present invention are mainly composed of comparing, disconnecting the network connection or/and finding the network registration, and the process of finding the network registration or disconnecting the network connection is the same as the corresponding process of the ordinary GSM and PHS mobile phones.

 The standby mode includes zero standby, PHS single standby, GSM single standby, dual standby, wherein the dual standby can be divided into two types according to the default communication channel, PHS or GSM, for example, the user makes a call, and when the PHS is the default channel, The PHS calls out and calls GSM when GSM is the default channel. The standby mode parameter is written in advance in the mobile terminal, representing the standby mode desired when the user is turned on. There are two situations in the startup mode switching. When the power is turned on, the slave standby mode is automatically initiated to the desired standby mode. During the running process, the user operates through the mobile phone human-machine interface (MMI), switches to another standby mode, and modifies the standby in the mobile terminal. Mode parameter. After the mode switching is completed, the functions provided by the MMI are adjusted according to the current standby mode.

 In the process of mode switching by using the method described above, the MMI interface can display waiting and give prompt information, and the process of disconnecting or finding a network from a certain network and registering is the same as that of a normal single-mode mobile phone.

The specific implementation technical solution of the method of the present invention will be further described in detail below with reference to FIG. Bright.

 As shown in FIG. 2, a specific implementation manner of the technical solution of the present invention includes the following steps:

 Step (201): According to the mode switching command, determining the target standby mode and the current standby mode of the switching, for example, the user finds that the PHS signal in the local area is relatively poor in the case of PHS single standby, and hopes to enable the GSM module to use the GSM network service and use GSM as the The default communication channel, through MMI operation, sends a mode switching command to the terminal, and switches to GSM/PHS dual standby, then determines that the target standby mode of the switching is GSM/PHS dual standby, and the current standby mode is PHS single standby;

 In the step (201), the terminal acquires the mode switching command in two ways. First, when the device is powered on, the mobile phone automatically acquires the mode switching command, and the target standby mode is stored in the standby mode in the mobile phone setting; In the idle state, the mobile phone acquires a mode switching command issued by the user through the MMI operation, and the target standby mode is a user-specified mode.

 Step (202): determining, according to the current state of the mobile phone, whether the mobile phone has the condition for switching to the target standby mode, if yes, proceeding to step (203), otherwise, ending, the criterion of "having" is: the mobile phone hardware state is satisfied to initiate the network search. And the conditions for registration, or the conditions for initiating a network search and making an emergency call without registration, such as the terminal having sufficient power;

 Step (203): Comparing the target standby mode with the current standby mode, determining whether the PHS network needs to be disconnected, if "need", proceeding to step (204), no-be I", continuing step (205), "need" The criterion is that if the mobile phone is currently in the PHS single standby mode, or dual standby, and the target mode of the handover is GSM single standby or zero standby, it is better to know that the PHS network connection needs to be disconnected;

 Step (204): Disconnecting the PHS network, after disconnecting the PHS network, shutting down the PHS protocol and the RF module according to the principle of power saving and reducing the interference between the PHS and the GSM radio, and continuing the step (205);

Step (205): comparing the target standby mode with the current standby mode, determining whether the GSM network needs to be disconnected, if "need", proceeding to step (206), otherwise, continuing the step (207), the "need" criterion Yes, if the mobile phone is currently in GSM single standby, or dual standby, and the target mode of the handover is PHS single standby or zero standby, it is better to know that the GSM network connection needs to be disconnected; Step (206): Disconnecting the GSM network, after disconnecting the GSM network, shutting down the GSM protocol stack and the radio frequency module according to the principle of power saving and reducing the interference between the PHS and the GSM radio frequency, and continuing the step (207);

 Step (207): comparing the target standby mode with the current standby mode, determining whether it is necessary to snore the GSM network, if "need", proceeding to step (208), otherwise, continuing step (212), the criterion of "need" is If the mobile phone is in zero standby or PHS single standby before mode switching, and the target mode of the handover is GSM single standby or dual standby, it is better to know that the GSM network connection needs to be opened;

 Step (208): Open the GSM radio frequency module and the protocol stack, continue with the step (209); Step (209): find the GSM network, perform the GSM network registration process, continue the step (210); Step (210): find the network registration process In the determination, whether to find and register the GSM network fails, if it fails, continue to step (211), otherwise, continue to step (212);

 Step (211): Since the network may be found, the registration may fail, or it takes a long time, in order to reduce the waiting time of the user, the process of searching for the network and the registration is limited. If the network registration process is not completed within the prescribed time, the process is not completed. Continue to wait, immediately proceed to step (212), otherwise, return to the execution step (209);

 Step (212): comparing the target standby mode with the current standby mode, determining whether the PHS network needs to be opened, if "need", proceeding to step (213), otherwise, continuing step (214), the criterion of "need" is: If the mobile phone is in zero standby or GSM single standby before mode switching, and the target mode of the handover is PHS single standby or dual standby, it is better to know that the PHS network connection needs to be opened;

 Step (213): Open the PHS radio frequency module and the protocol stack, initiate a search for the PHS network, and perform a registration process. After the process is initiated, the process may be performed without waiting for the network registration to be successful (214); Step (214): Save the new standby mode. , as the target standby mode at the next boot, continue to step (215);

Step (215): Adjust the functions and display information provided by the mobile phone human-machine interface (MMI) to the user according to the new standby mode, such as standby mode, current default channel under dual standby, functions currently supported by the mobile phone, due to GSM and PHS The network can provide different functions, so the phone provides The function differs in different standby modes;

 The present invention does not limit the disconnection order and the opening sequence of the above PHS network and GSM network. In summary, the method of the present invention can realize the switching of the dual mode terminal standby mode, so that the user can flexibly select the network according to the tariff, the requirement of roaming, the requirement of small electromagnetic radiation, the network condition, etc., and realize the flexible switching of the standby mode. .

Industrial applicability

 The mode switching method of the PHS and GSM dual-mode mobile terminal provided by the invention can enable the user to flexibly select the standby mode, thereby flexibly selecting the connected network, so that the user can select the small electromagnetic according to the tariff, the roaming demand. Radiation requirements, network conditions, etc. select appropriate network services, and play the technical characteristics of dual-mode mobile phones, giving users maximum flexibility.

Claims

1. A mode switching method for a PHS and GSM dual mode mobile terminal, which is used for switching between a dual mode mobile terminal in zero standby, PHS single standby, GSM single standby, and PHS and GSM dual standby modes, and is characterized by including the following Step - (101) determining a target standby mode and a current standby mode according to the mode switching command; (102) determining that the terminal has a condition for switching to the target standby mode;  Right  ( 103 ) Compare the target standby mode with the current standby mode to determine the network connection that needs to be disconnected or / and needs to be opened;  (104) Disconnect the network connection that needs to be disconnected, turn on the RF module and protocol stack of the network connection that needs to be opened, and perform network search and registration.  2. The method according to claim 1, wherein said step (104) further comprises a book Including the following steps:  ( 105) Save the newly set standby mode and adjust the functions and interfaces of the display unit according to this mode.  3. The method according to claim 1, wherein in the step (104), after disconnecting the network connection that needs to be disconnected, the radio module and the protocol stack of the network connection that needs to be disconnected are further closed.  The method according to claim 1, wherein the condition that the terminal has the switch to the target standby mode in the step (102) is: the terminal hardware state satisfies the condition for initiating the network search and registration, or meets the initiation request. Network and conditions for making an emergency call without registration.  The method according to claim 1, wherein in the step (102), if the terminal does not have the condition for switching to the target standby mode, the handover process is ended.  The method according to claim 1, wherein in the step (103), if the terminal does not need to be disconnected, and there is no network connection that needs to be opened, the handover process is ended. 7. The method according to claim 1, wherein the step (103) determines a network connection that needs to be disconnected or/and needs to be opened in the following manner - if the terminal is currently in a PHS single standby, or a PHS and GSM dual Standby and switching The standard standby mode is GSM single standby or zero standby, then it is determined that the PHS network connection needs to be disconnected after comparison;  If the terminal is currently in GSM single standby, or PHS and GSM dual standby, and the target standby mode of the handover is PHS single standby or zero standby, then it is determined that the GSM network connection needs to be disconnected after comparison;  If the terminal is currently in zero standby or PHS single standby, and the target standby mode of the handover is GSM single standby or PHS and GSM dual standby, then it is determined that the GSM network connection needs to be opened after comparison; if the terminal is currently in zero standby or GSM single standby, and The target standby mode of the switch is single standby or PHS and GSM dual standby, then it is determined that the PHS network connection needs to be opened after comparison.  8. The method according to claim 1, wherein in the step (104): if the disconnected network connection is a PHS network connection, disconnect the PHS network connection, and close the PHS protocol and the radio frequency module. ;  If the disconnected network connection is a GSM network connection, disconnect the GSM network connection and close the GSM protocol stack and RF module;  If the network connection that needs to be opened is a GSM network connection, open the GSM RF module and the protocol stack, find the GSM network and register it;  If the network connection that needs to be opened is a PHS network connection, open the PHS RF module and the protocol stack, find the PHS network and register.  9. The method according to claim 8, wherein the network connection and the registered network connection are first limited to a process of searching for a network and performing registration, and if the network registration process is not completed within a prescribed time, the process is not continued. Wait, proceed to the next step immediately.  The method according to claim 1, wherein the obtaining the mode switching command in the step (101) comprises:  When the power is turned on, the terminal automatically acquires a mode switching command, and the target standby mode is a standby mode saved in the terminal setting;  In the idle state after power-on, the terminal acquires a mode switching command issued by the user, and the target standby mode is a standby mode selected by the user.