CN110324882B - 4G multi-mode mobile terminal and manual network searching method thereof - Google Patents
4G multi-mode mobile terminal and manual network searching method thereof Download PDFInfo
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- CN110324882B CN110324882B CN201910820478.1A CN201910820478A CN110324882B CN 110324882 B CN110324882 B CN 110324882B CN 201910820478 A CN201910820478 A CN 201910820478A CN 110324882 B CN110324882 B CN 110324882B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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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
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Abstract
The application discloses a manual network searching method of a 4G multi-mode mobile terminal. Step S102: and the user selects the first SIM card to manually search the network. Step S104: the EMM unit judges whether the SIM card of the mobile terminal is in a 4G connection state at present; if yes, go to step S106; if not, the EMM unit directly processes the manual network searching event. Step S106: and the EMM unit caches the manual network searching event, starts a first timer, stops sending uplink data and waits for the network to actively release the mobile terminal. Step S108: if the mobile terminal receives the network release command before the first timer expires, the EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released. Step S110: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit informs the ERRC unit to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished. The method and the device can improve the call completing rate of the called party.
Description
Technical Field
The present application relates to a mobile communication technology, and in particular, to a manual network searching method for a 4G multimode mobile terminal.
Background
4G multimode (multi mode) Mobile phones supporting GSM (Global System for Mobile communications), UMTS (Universal Mobile Telecommunications System), and LTE (Long Term Evolution) have been widely used. Since the network coverage and the charges of different mobile communication operators are different, a user wants to manually select different mobile communication networks at different places according to the signal coverage of the mobile communication networks, the preference of the user, the customization of the mobile communication packages of the user and other factors, which is called manual network searching.
When a User performs a manual network searching operation on a certain SIM card in a mobile terminal, the manual network searching operation must be performed only when the mobile terminal (UE) is in an idle state (idle). If any one of the SIM cards is currently registered in the LTE network and is in a connected state (connected), the SIM card in the connected state is instantly disconnected and autonomously changes to an idle state, and the eNB (eNodeB, base station) still considers the mobile terminal to be in the connected state, so that the state of the mobile terminal itself is inconsistent with the state of the mobile terminal known by the eNB in a short time. Due to the particularity of the LTE network that the called processing distinguishes between the connected state and the idle state, the connected-state called indication issued by the eNB in this period of time cannot be sent to the mobile terminal, which results in the inevitable failure of the called.
For convenience of description, in this document, a Subscriber Identity Module (SIM) card is used to denote a smart card used by a mobile terminal, in which subscriber identity data, an authentication algorithm, a corresponding key, and the like are stored for identifying and authenticating the mobile terminal accessing a mobile communication network. The SIM Card is to be understood in a broad sense, and includes R-uim (removable User Identity module) Card, uim (User Identity module) Card, UICC (Universal Integrated Circuit Card) built-in SIM application, usim (Universal electronic subscriber Identity module) application, csim (cdma Identity module) and the like having the same function in different mobile communication networks.
Disclosure of Invention
The technical problem to be solved by the application is to provide a manual network searching method for a 4G multi-mode mobile terminal, which can avoid inconsistent states of the terminal and a network side caused by manual network searching of an SIM card, thereby improving the call completing rate of a called party.
In order to solve the technical problem, the manual network searching method of the 4G multimode mobile terminal provided by the application comprises the following steps. The 4G multi-mode mobile terminal only supports one 4G multi-mode SIM card, which is called as SIM card I. Step S102: and the user selects the first SIM card to manually search the network. Step S104: the EMM unit judges whether the SIM card of the mobile terminal is in a 4G connection state at present; if yes, go to step S106; if not, the EMM unit directly processes the manual network searching event. Step S106: and the EMM unit caches the manual network searching event, starts a first timer, stops sending uplink data and waits for the network to actively release the mobile terminal. Step S108: if the mobile terminal receives the network release command before the first timer expires, the EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released. Step S110: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit informs the ERRC unit to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished.
The manual network searching method for the 4G multi-mode mobile terminal is the first embodiment of the present application, and corresponding to an application scenario of a single-card mobile terminal, the mobile terminal may be kept in an idle state before performing a manual network searching operation, and a network side is made to know that the mobile terminal is in the idle state, so that a called call completing rate is improved.
Further, the duration of the timer one is configured to be the average time released by the LTE network from the link connection maintenance when the mobile terminal has no uplink data service. This is the preferred configuration of the duration of timer one.
The application also provides a manual network searching method of the 4G multi-mode mobile terminal, which comprises the following steps. The 4G multi-mode mobile terminal supports a plurality of SIM cards, wherein at least one SIM card is a 4G multi-mode SIM card and is called as a SIM card I. Step S202: and the user selects the first SIM card to manually search the network. Step S204: the EMM unit I judges whether the SIM card I of the mobile terminal is in a 4G connection state currently; if yes, go to step S206; if not, the process proceeds to step S212. Step S206: and the EMM unit I caches the manual network searching event, starts the timer I, stops sending uplink data and waits for the network to actively release the mobile terminal. Step S208: if the mobile terminal receives the network release command before the first timer expires, the first EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released. Step S210: if the timer is overtime and the mobile terminal does not receive the network release command, the EMM unit I informs the ERRC unit I to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished. Step S212: the first EMM unit reads the state of EMM units of other SIM cards; if the EMM unit of any other SIM card judges that the mobile terminal is currently in the 4G connection state, the step S214 is entered; otherwise, the EMM unit directly processes the manual network searching event. Step S214: and the EMM unit I caches the manual network searching event, informs the EMM unit of the SIM card in the 4G connection state to start a timer I, stops sending uplink data and waits for the network to actively release the mobile terminal. Step S216: if the mobile terminal receives the network release command before the timer is overtime, the EMM unit of the SIM card in the 4G connection state stops the timer I, and after the link is normally released, the EMM unit of the SIM card in the 4G connection state informs the EMM unit I to process the cached manual network searching event. Step S218: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit of the SIM card in the 4G connection state informs the ERRC unit of the SIM card to release the link of the mobile terminal, and after the release is finished, the EMM unit of the SIM card in the 4G connection state informs the EMM unit to process the cached manual network searching event.
The manual network searching method of the 4G multi-mode mobile terminal is the second embodiment of the present application, and corresponding to an application scenario of the multi-card mobile terminal, the terminal may be kept in an idle state before performing the manual network searching operation, and the network side may know that the terminal is in the idle state, so as to improve the call completing rate of the called party.
Further, the duration of the timer one is configured to be the average time released by the LTE network from the link connection maintenance when the mobile terminal has no uplink data service. This is the preferred configuration of the duration of timer one.
The application also provides a 4G multi-mode mobile terminal which only supports one 4G multi-mode SIM card, namely the SIM card I; the 4G multi-mode mobile terminal comprises an instruction receiving unit, a judging unit, a caching unit, a processing unit and an executing unit. Only one EMM unit is arranged in a non-access layer of the 4G multi-mode mobile terminal and is responsible for EPS mobility management of the unique SIM card; and only one ERRC unit is arranged in an access layer of the 4G multi-mode mobile terminal and is responsible for managing the radio resource control of the unique SIM card. The instruction receiving unit is used for receiving an instruction sent by a user for selecting the SIM card to perform manual network searching. The judging unit is used for judging whether the SIM card of the mobile terminal is in a 4G connection state at present. The cache unit is used for caching a manual network searching event when the SIM card of the mobile terminal is in a 4G connection state. The processing unit is used for starting a first timer after the cache unit caches the manual network searching event, stopping sending uplink data and waiting for the network to actively release the mobile terminal; if the mobile terminal receives a network release command before the first timer is overtime, the first timer is stopped by the processing unit, and the cached manual network searching event is processed by the execution unit after the link is normally released; if the mobile terminal does not receive the network release command after the timer is overtime, the processing unit releases the link of the mobile terminal, and the execution unit processes the cached manual network searching event after the release is finished. The execution unit is used for directly processing a manual network searching event when the SIM card of the mobile terminal is not in a 4G connection state currently; or after the link of the mobile terminal is released, processing the cached manual network searching event.
The 4G multi-mode mobile terminal is a first embodiment of the present application, and corresponds to a single-card mobile terminal, the terminal may be kept in an idle state before a manual network searching operation is performed, and a network side learns that the terminal is in the idle state, so that a called call completing rate is improved.
Further, the instruction receiving unit is a human-computer interaction interface of the mobile terminal. This is a preferred implementation.
Further, the judging unit, the buffering unit and the executing unit are all the EMM1 corresponding to the SIM card. This is a preferred implementation.
Further, the processing unit is realized by the SIM card, a corresponding EMM unit and an ERRC unit together. This is a preferred implementation.
The application also provides a 4G multi-mode mobile terminal which supports a plurality of SIM cards, wherein at least one SIM card is a 4G multi-mode SIM card and is called as a SIM card I; the 4G multi-mode mobile terminal comprises an instruction receiving unit, a judging unit, a caching unit, a first processing unit, a second processing unit and an executing unit. The 4G multimode mobile terminal is provided with EMM units with the same number as the SIM cards in a non-access layer, and each EMM unit is correspondingly responsible for EPS mobility management of one SIM card; the access layer of the 4G multi-mode mobile terminal is provided with ERRC units with the same number as the SIM cards, and each ERRC unit is correspondingly responsible for managing the radio resource control of one SIM card. The instruction receiving unit is used for receiving an instruction sent by a user for selecting the SIM card to perform manual network searching. The judging unit is used for judging whether the SIM card of the mobile terminal is in a 4G connection state at present; the judging unit is further used for judging whether other SIM cards of the mobile terminal except the first SIM card are in a 4G connection state when the first SIM card of the mobile terminal is not in the connection state currently. The cache unit is used for caching a manual network searching event when the SIM card of the mobile terminal is currently in a 4G connection state; the cache unit is further used for caching a manual network searching event when any SIM card except the first SIM card is in a 4G connection state currently. The first processing unit is used for starting a first timer after the cache unit caches the manual network searching event because the SIM card is currently in a 4G connection state, stopping uplink data transmission and waiting for the network to actively release the mobile terminal; if the mobile terminal receives a network release command before the first timer is overtime, the first processing unit stops the first timer, and the execution unit processes the cached manual network searching event after the link is normally released; if the mobile terminal does not receive the network release command after the timer is overtime, the first processing unit releases the link of the mobile terminal, and the execution unit processes the cached manual network searching event after the release is finished. The second processing unit is used for starting a first timer and stopping sending uplink data at the same time after the cache unit caches a manual network searching event because any SIM card except the first SIM card is in a 4G connection state currently, and waiting for the network to release the mobile terminal actively; if the mobile terminal receives a network release command before the first timer is overtime, the second processing unit stops the first timer, and the execution unit processes the cached manual network searching event after the link is normally released; if the mobile terminal does not receive the network release command after the timer is overtime, the second processing unit releases the link of the mobile terminal, and the execution unit processes the cached manual network searching event after the release is finished. The execution unit is used for directly processing a manual network searching event when all SIM cards of the mobile terminal are not in a 4G connection state currently; or after the link of the mobile terminal is released, processing the cached manual network searching event.
The 4G multimode mobile terminal is an embodiment two of the present application, and corresponds to a multi-card mobile terminal, the terminal may be kept in an idle state before a manual network searching operation is performed, and a network side learns that the terminal is in the idle state, so that a called call completing rate is improved.
Further, the instruction receiving unit is a human-computer interaction interface of the mobile terminal. This is a preferred implementation.
Further, the judging unit is realized by the EMM units corresponding to the SIM cards. This is a preferred implementation.
Further, the cache unit and the execution unit are the first EMM unit corresponding to the first SIM card. This is a preferred implementation.
Further, the first processing unit is realized by the SIM card, a corresponding EMM unit I and an ERRC unit I together. This is a preferred implementation.
Further, the second processing unit is realized by the EMM unit and the ERRC unit which correspond to the SIM card currently in the 4G connection state, except the first SIM card. This is a preferred implementation.
The method and the device have the advantages that the problem of called failure caused by inconsistency between the self state of the mobile terminal and the state known by the network side to the mobile terminal due to manual network searching is reduced under the condition that user experience is not influenced, and therefore the call completing rate is improved.
Drawings
Fig. 1 is a flowchart of a manual network searching method of a dual-card 4G multimode mobile terminal according to an embodiment of the present disclosure.
Fig. 2 is a flowchart of a second embodiment of a manual network searching method for a dual-card 4G multimode mobile terminal provided in the present application.
Fig. 3 is a schematic structural diagram of a first embodiment of a dual-card 4G multimode mobile terminal provided in the present application.
Fig. 4 is a schematic structural diagram of a second embodiment of a dual-card 4G multimode mobile terminal provided in the present application.
The reference numbers in the figures are: 302 is an instruction receiving unit; 304 is a judgment unit; 306 is a buffer unit; 308 is a processing unit; 310 is an execution unit; 402 is an instruction receiving unit; 404 is a judgment unit; 406 is a buffer unit; 408 is a first processing unit; 410 is a second processing unit; 412 is an execution unit.
Detailed Description
The application provides a 4G multi-mode mobile terminal, and the embodiment of the 4G multi-mode mobile terminal only supports one 4G multi-mode SIM card. Only one EMM (EPS mobility management) unit is located in a Non-Access Stratum (NAS) of the 4G multimode mobile terminal, which is a software module and is responsible for EPS (evolved packet System) mobility management of the unique SIM card. Only one Enhanced Radio Resource Control (ERRC) unit is located in an Access Stratum (AS) of the 4G multimode mobile terminal, which is also a software module responsible for managing Radio Resource Control of the unique SIM card. The 4G multi-mode SIM card can automatically select to reside in a 2G, 3G or 4G mobile communication network according to the environment of the mobile communication network, for example, corresponding to a GSM, UTMS or LTE network respectively. The 4G multimode SIM card supports Voice services and data services, and provides Voice services by using a CSFB (circuit switched Fallback) or VOLTE (Voice over LTE, long term evolution Voice bearer) scheme. The mobile terminal is only provided with a group of radio frequency transceivers and is used for 2G, 3G or 4G mobile communication networks, so that the physical resources are fully utilized.
Please refer to fig. 1, which is a first embodiment of a manual network searching method for a 4G multimode mobile terminal according to the present application. The 4G multimode mobile terminal only supports one 4G multimode SIM card, which is called as SIM card one. An embodiment of the manual network searching method includes the following steps.
Step S102: when the User selects the first SIM card to perform a manual network search on a UI (User Interface, human-computer interaction) Interface of the mobile terminal, the process proceeds to step S104.
Step S104: and the EMM unit judges whether the SIM card of the mobile terminal is in a 4G connection state at present. If so, the process proceeds to step S106. If not, the EMM unit directly processes the manual network searching event.
Step S106: and the EMM unit caches the manual network searching event, starts a first timer, stops sending uplink data and waits for the network to actively release the mobile terminal.
Step S108: if the mobile terminal receives the network release command before the first timer expires, the EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released.
Step S110: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit informs the ERRC unit to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished.
Preferably, the duration of the timer one is configured to be the average time of release of the LTE network from the link connection maintenance when the mobile terminal has no uplink data service.
Referring to fig. 3, an embodiment of the 4G multimode mobile terminal according to the present application includes an instruction receiving unit 302, a determining unit 304, a buffering unit 306, a processing unit 308, and an executing unit 310, corresponding to the first embodiment of the manual network searching method.
The instruction receiving unit 302 is used for receiving an instruction sent by a user to select a SIM card for manual network searching. The instruction receiving unit is, for example, a touch screen, a key and other human-computer interaction interfaces of the mobile terminal.
The determining unit 304 is used to determine whether the SIM card of the mobile terminal is currently in the 4G connection state. The judging unit is, for example, an EMM unit corresponding to the SIM card.
The cache unit 306 is configured to cache a manual network searching event when the SIM card of the mobile terminal is currently in the 4G connection state. The buffer unit is, for example, an EMM unit corresponding to the SIM card.
The processing unit 308 is configured to start a first timer after the cache unit 306 caches the manual network searching event, and simultaneously stop sending uplink data to wait for the network to actively release the mobile terminal. If the mobile terminal receives the network release command before the first timer expires, the processing unit 308 stops the first timer, and after the link is normally released, the execution unit 310 processes the cached manual network searching event. If the mobile terminal has not received the network release command after the timer expires, the processing unit 308 releases the link of the mobile terminal, and the execution unit 310 processes the cached manual network searching event after the release is completed. The processing unit is for example realized by the SIM card, a corresponding EMM unit and an ERRC unit together.
The execution unit 310 is configured to directly process a manual network searching event when a first SIM card of the mobile terminal is not currently in a 4G connection state; or after the link of the mobile terminal is released, processing the cached manual network searching event. The execution unit is, for example, an EMM unit corresponding to the SIM card.
The application provides a 4G multi-mode mobile terminal, wherein a second embodiment of the 4G multi-mode mobile terminal supports a plurality of SIM cards, and at least one SIM card is a 4G multi-mode SIM card. The other SIM cards are not limited, and may be 2G single mode SIM cards, 3G multi-mode SIM cards, or 4G multi-mode SIM cards. The 2G single-mode SIM card can only reside in a 2G mobile communication network. The 3G multi-mode SIM card can automatically select to reside in a 2G or 3G mobile communication network according to the environment of the mobile communication network. The 4G multi-mode mobile terminal is provided with EMM units with the same number as the SIM cards in a non-access layer, and each EMM unit is correspondingly responsible for EPS mobility management of one SIM card. The access layer of the 4G multi-mode mobile terminal is provided with ERRC units with the same number as the SIM cards, and each ERRC unit is correspondingly responsible for managing the radio resource control of one SIM card. Each SIM card supports voice services as well as data services. The 4G multi-mode SIM card adopts a CSFB or VOLTE scheme to provide voice services. The mobile terminal is only provided with a group of radio frequency transceivers and is used for 2G, 3G or 4G mobile communication networks, so that the physical resources are fully utilized. Therefore, at any time, only one of voice service or data service can be performed on a certain SIM card.
Please refer to fig. 2, which is a second embodiment of a manual network searching method for a 4G multimode mobile terminal according to the present application. The 4G multi-mode mobile terminal supports a plurality of SIM cards, and at least one SIM card is a 4G multi-mode SIM card. For convenience of description, the SIM card represents, for example, a 4G multi-mode SIM card, and the remaining SIM cards are not limited. When the mobile terminal has multiple SIM cards, each SIM card is equal, and the processing is completely equal. For example, the manual network searching may occur on the first SIM card or the second SIM card. If the second SIM card and the first SIM card both adopt 4G multi-mode SIM cards, it is also feasible to interchange the first SIM card and the second SIM card in each step. The embodiment of the manual network searching method comprises the following steps.
Step S202: and when the user selects the SIM card to manually search the network on the UI interface of the mobile terminal, the step S204 is carried out.
Step S204: and the EMM unit I judges whether the SIM card I of the mobile terminal is in a 4G connection state currently. If so, the process proceeds to step S206. If not, the process proceeds to step S212.
Step S206: and the EMM unit I caches the manual network searching event, starts the timer I, stops sending uplink data and waits for the network to actively release the mobile terminal.
Step S208: if the mobile terminal receives the network release command before the first timer expires, the first EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released.
Step S210: if the timer is overtime and the mobile terminal does not receive the network release command, the EMM unit I informs the ERRC unit I to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished.
Step S212: and the EMM unit one requests to read the state of the EMM units corresponding to the other SIM cards. If the EMM unit of any other SIM card determines that the mobile terminal is currently in the 4G connection state, step S214 is performed. And if the EMM units of all other SIM cards judge that the mobile terminal is not in the 4G connection state currently, directly processing a manual network searching event by the EMM unit I.
Step S214: and the EMM unit I caches the manual network searching event, informs the EMM unit (supposing an EMM unit II) of the SIM card in the 4G connection state to start a timer I, stops sending uplink data and waits for the network to actively release the mobile terminal.
Step S216: if the mobile terminal receives a network release command before the first timer expires, the EMM unit (supposing EMM unit two) of the SIM card in the 4G connection state stops the first timer, and after the link is normally released, the EMM unit (supposing EMM unit two) of the SIM card in the 4G connection state informs the EMM unit one to process the cached manual network searching event.
Step S218: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit (supposing EMM unit II) of the SIM card in the 4G connection state informs the ERRC unit (supposing ERRC unit II) of the SIM card to release the link of the mobile terminal, and after the release is completed, the EMM unit (supposing EMM unit II) of the SIM card in the 4G connection state informs EMM unit I to process the cached manual network searching event.
Preferably, the duration of the timer one is configured to be the average time of release of the LTE network from the link connection maintenance when the mobile terminal has no uplink data service.
Referring to fig. 4, corresponding to the embodiment of the manual network searching method, the embodiment of the 4G multimode mobile terminal of the present application includes an instruction receiving unit 402, a determining unit 404, a buffering unit 406, a first processing unit 408, a second processing unit 410, and an executing unit 412.
The instruction receiving unit 402 is used for receiving an instruction sent by a user to select a SIM card for manual network searching. The instruction receiving unit is, for example, a touch screen, a key and other human-computer interaction interfaces of the mobile terminal.
The determining unit 404 is configured to determine whether the SIM card of the mobile terminal is currently in a 4G connection state. The judging unit is further used for judging whether other SIM cards of the mobile terminal except the first SIM card are in a 4G connection state when the first SIM card of the mobile terminal is not in the connection state currently. The judging unit is realized by the EMM units corresponding to the SIM cards.
The cache unit 406 is configured to cache a manual network searching event when the SIM card of the mobile terminal is currently in the 4G connection state. The caching unit 406 is further configured to cache a manual network searching event when any SIM card other than the first SIM card is currently in the 4G connection state. The cache unit is, for example, a first EMM unit corresponding to the first SIM card.
The first processing unit 408 is configured to start a first timer and stop sending uplink data at the same time after the cache unit 406 caches the manual network searching event because the first SIM card is currently in the 4G connection state, and wait for the network to actively release the mobile terminal. If the mobile terminal receives the network release command before the first timer expires, the first processing unit stops the first timer, and the execution unit 412 processes the cached manual network searching event after the link is normally released. If the mobile terminal has not received the network release command after the timer expires, the first processing unit 408 releases the link of the mobile terminal, and the execution unit 412 processes the cached manual network searching event after the release is completed. The first processing unit is realized by an EMM unit I and an ERRC unit I corresponding to the SIM card.
The second processing unit 410 is configured to start a first timer and stop sending uplink data at the same time after the cache unit 406 caches the manual network searching event because any SIM card other than the first SIM card is currently in the 4G connection state, and wait for the network to actively release the mobile terminal. If the mobile terminal receives the network release command before the first timer expires, the second processing unit stops the first timer, and the execution unit 412 processes the cached manual network searching event after the link is normally released. If the mobile terminal has not received the network release command after the timer expires, the second processing unit 410 releases the link of the mobile terminal, and the execution unit 412 processes the cached manual network searching event after the release is completed. The second processing unit 410 is implemented by an EMM unit (assuming EMM unit two) and an ERRC unit (assuming ERRC unit two) corresponding to the SIM card currently in the 4G connection state, for example, except the SIM card one.
The execution unit 412 is configured to directly process a manual network searching event when all the SIM cards of the mobile terminal are not in the 4G connection state currently; or after the link of the mobile terminal is released, processing the cached manual network searching event. The execution unit 412 is, for example, a first EMM unit corresponding to the first SIM card.
The invention reduces the problem of called failure caused by inconsistent states of the mobile terminal and the mobile communication network due to manual network searching without influencing user experience, and improves the call completing rate.
The above are merely preferred embodiments of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (14)
1. A manual network searching method of a 4G multimode mobile terminal, the 4G multimode mobile terminal only supports a 4G multimode SIM card, called SIM card I; the method is characterized by comprising the following steps:
step S102: a user selects a first SIM card to manually search a network;
step S104: the EMM unit judges whether the SIM card of the mobile terminal is in a 4G connection state at present; if yes, go to step S106; if not, the EMM unit directly processes the manual network searching event;
step S106: the EMM unit caches a manual network searching event, starts a first timer, stops sending uplink data at the same time, and waits for the network to actively release the mobile terminal;
step S108: if the mobile terminal receives a network release command before the first timer is overtime, the EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released;
step S110: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit informs the ERRC unit to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished.
2. The manual network searching method of claim 1, wherein the duration of the timer one is configured as an average time for the LTE network to release from maintaining the link connection when the mobile terminal has no uplink data service.
3. A manual network searching method of a 4G multi-mode mobile terminal is disclosed, wherein the 4G multi-mode mobile terminal supports a plurality of SIM cards, at least one SIM card is a 4G multi-mode SIM card and is called as SIM card I; the method is characterized by comprising the following steps:
step S202: a user selects a first SIM card to manually search a network;
step S204: the EMM unit I judges whether the SIM card I of the mobile terminal is in a 4G connection state currently; if yes, go to step S206; if not, go to step S212;
step S206: the EMM unit I caches a manual network searching event, starts a timer I, stops sending uplink data at the same time, and waits for the network to actively release the mobile terminal;
step S208: if the mobile terminal receives a network release command before the first timer is overtime, the first EMM unit stops the first timer and processes the cached manual network searching event after the link is normally released;
step S210: if the timer is overtime and the mobile terminal does not receive a network release command, the EMM unit I informs the ERRC unit I to release the link of the mobile terminal and release the manual network searching event which is cached after the release is finished;
step S212: the first EMM unit reads the state of EMM units of other SIM cards; if the EMM unit of any other SIM card judges that the mobile terminal is currently in the 4G connection state, the step S214 is entered; otherwise, the EMM unit I directly processes the manual network searching event;
step S214: the first EMM unit caches a manual network searching event, informs the first EMM unit of the SIM card in the 4G connection state to start a first timer, simultaneously stops sending uplink data, and waits for the network to actively release the mobile terminal;
step S216: if the mobile terminal receives a network release command before the first timer is overtime, the EMM unit of the SIM card in the 4G connection state stops the first timer, and after the link is normally released, the EMM unit of the SIM card in the 4G connection state informs the EMM unit to process the cached manual network searching event;
step S218: if the mobile terminal does not receive the network release command after the timer is overtime, the EMM unit of the SIM card in the 4G connection state informs the ERRC unit of the SIM card to release the link of the mobile terminal, and after the release is finished, the EMM unit of the SIM card in the 4G connection state informs the EMM unit to process the cached manual network searching event.
4. The manual network searching method of claim 3, wherein the duration of the timer one is configured as the average time for the LTE network to release from maintaining the link connection when the mobile terminal has no uplink data service.
5. A4G multimode mobile terminal only supports a 4G multimode SIM card, called SIM card I; the 4G multimode mobile terminal is characterized by comprising an instruction receiving unit, a judging unit, a cache unit, a processing unit and an executing unit; only one EMM unit is arranged in a non-access layer of the 4G multi-mode mobile terminal and is responsible for EPS mobility management of the unique SIM card; only one ERRC unit is arranged in an access layer of the 4G multi-mode mobile terminal and is responsible for managing the wireless resource control of the unique SIM card;
the instruction receiving unit is used for receiving an instruction sent by a user for selecting a first SIM card to perform manual network searching;
the judging unit is used for judging whether the SIM card of the mobile terminal is in a 4G connection state at present;
the cache unit is used for caching a manual network searching event when the SIM card of the mobile terminal is currently in a 4G connection state;
the processing unit is used for starting a first timer after the cache unit caches the manual network searching event, stopping sending uplink data and waiting for the network to actively release the mobile terminal; if the mobile terminal receives a network release command before the first timer is overtime, the first timer is stopped by the processing unit, and the cached manual network searching event is processed by the execution unit after the link is normally released; if the mobile terminal does not receive the network release command after the timer is overtime, the processing unit releases the link of the mobile terminal, and the execution unit processes the cached manual network searching event after the release is finished;
the execution unit is used for directly processing a manual network searching event when the SIM card of the mobile terminal is not in a 4G connection state currently; or after the link of the mobile terminal is released, processing the cached manual network searching event.
6. The 4G multimode mobile terminal according to claim 5, wherein the command receiving unit is a man-machine interface of the mobile terminal.
7. The 4G multi-mode mobile terminal according to claim 5, wherein the judging unit, the buffer unit and the executing unit are all SIM card-corresponding EMM units.
8. The 4G multimode mobile terminal according to claim 5, wherein said processing unit is implemented by both an EMM unit and an ERRC unit corresponding to the SIM card.
9. A4G multimode mobile terminal supports a plurality of SIM cards, wherein at least one SIM card is a 4G multimode SIM card and is called as a SIM card I; the 4G multimode mobile terminal is characterized by comprising an instruction receiving unit, a judging unit, a cache unit, a first processing unit, a second processing unit and an executing unit; the 4G multimode mobile terminal is provided with EMM units with the same number as the SIM cards in a non-access layer, and each EMM unit is correspondingly responsible for EPS mobility management of one SIM card; the access layer of the 4G multi-mode mobile terminal is provided with ERRC units with the same number as the SIM cards, and each ERRC unit is correspondingly responsible for managing the radio resource control of one SIM card;
the instruction receiving unit is used for receiving an instruction sent by a user for selecting a first SIM card to perform manual network searching;
the judging unit is used for judging whether the SIM card of the mobile terminal is in a 4G connection state at present; the judging unit is also used for judging whether other SIM cards of the mobile terminal except the first SIM card are in a 4G connection state when the first SIM card of the mobile terminal is not in the connection state currently;
the cache unit is used for caching a manual network searching event when the SIM card of the mobile terminal is currently in a 4G connection state; the cache unit is also used for caching a manual network searching event when any SIM card except the first SIM card is in a 4G connection state;
the first processing unit is used for starting a first timer after the cache unit caches the manual network searching event because the SIM card is currently in a 4G connection state, stopping uplink data transmission and waiting for the network to actively release the mobile terminal; if the mobile terminal receives a network release command before the first timer is overtime, the first processing unit stops the first timer, and the execution unit processes the cached manual network searching event after the link is normally released; if the mobile terminal does not receive the network release command after the timer is overtime, the first processing unit releases the link of the mobile terminal, and the execution unit processes the cached manual network searching event after the release is finished;
the second processing unit is used for starting a first timer and stopping sending uplink data at the same time after the cache unit caches a manual network searching event because any SIM card except the first SIM card is in a 4G connection state currently, and waiting for the network to release the mobile terminal actively; if the mobile terminal receives a network release command before the first timer is overtime, the second processing unit stops the first timer, and the execution unit processes the cached manual network searching event after the link is normally released; if the mobile terminal does not receive the network release command after the timer is overtime, the second processing unit releases the link of the mobile terminal, and the execution unit processes the cached manual network searching event after the release is finished;
the execution unit is used for directly processing a manual network searching event when all SIM cards of the mobile terminal are not in a 4G connection state currently; or after the link of the mobile terminal is released, processing the cached manual network searching event.
10. The 4G multimode mobile terminal according to claim 9, wherein the command receiving unit is a man-machine interface of the mobile terminal.
11. The 4G multimode mobile terminal according to claim 9, wherein said judging unit is implemented by the EMM unit corresponding to each SIM card.
12. The 4G multimode mobile terminal according to claim 9, wherein said buffer unit and said execution unit are both a SIM card-corresponding EMM unit one.
13. The 4G multimode mobile terminal according to claim 9, wherein said first processing unit is implemented by a SIM card-corresponding EMM unit-and ERRC unit-together.
14. The 4G multimode mobile terminal according to claim 9, wherein the second processing unit is implemented by an EMM unit and an ERRC unit corresponding to a SIM card currently in a 4G connection state, except for a first SIM card.
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| CN111031588B (en) * | 2019-12-19 | 2022-06-10 | Tcl移动通信科技（宁波）有限公司 | Network searching method, device, terminal equipment and storage medium |
| CN112423373B (en) * | 2020-10-26 | 2023-08-29 | 北京小米移动软件有限公司 | Manual network searching method, manual network searching device and storage medium |
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| CN102348257A (en) * | 2011-06-30 | 2012-02-08 | 展讯通信（上海）有限公司 | Terminal, and conflict processing method and device thereof |
| CN105814920A (en) * | 2013-12-20 | 2016-07-27 | 高通股份有限公司 | Manual public land mobile network search prioritization |
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