Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

128 results about "Dual SIM" patented technology

Some mobile phones support use of two SIM cards, described as dual SIM operation. When a second SIM card is installed, the phone either allows users to switch between two separate mobile network services manually, has hardware support for keeping both connections in a "standby" state for automatic switching, or has individual transceivers for maintaining both network connections at once.

Dynamic profile and radio access technology selection based on application network slice requirements

Embodiments described herein relate to wireless communications, including methods and apparatus for dynamically selecting subscriber identity module (SIM) profiles, electronic SIM (eSIM) profiles, multi-SIM operating modes, and / or wireless access networks for network slice based applications of wireless devices. A wireless device can include at least two SIM / eSIM profiles and switch use of SIM / eSIM profiles, change between dual SIM operating modes, and / or select a registration mode based on requirements of one or more applications in use and availability of network slices via different wireless networks.
Owner:APPLE INC

Guide robot adaptive communication system and method based on multi-network cooperation

The invention discloses a navigation robot self-adaptive communication system and method based on multi-network collaboration, and relates to the technical field of network communication, the system comprises a network management module which is responsible for safely storing encrypted AP information and network topology data and providing a function of receiving AP configuration update through NFC; the signal detection module is responsible for detecting network parameters and generating a network quality evaluation report; the switching control module is responsible for predicting the signal intensity in future set time, realizing microsecond-level decision response by combining a dynamic threshold algorithm and a manufacturer protocol adapter, and providing a decision basis for optimization of network connection; and the dual-channel communication module is integrated with a WiFi chip and a cellular network modem, realizes operator link redundancy through dual SIM (Subscriber Identity Module) card slots, dynamically optimizes WiFi and cellular signal reception by utilizing a built-in intelligent antenna array, and executes network connection optimization and switching operation according to a decision of the switching control module. The navigation robot can automatically adapt to different network environments.
Owner:SHANDONG NEW GENERATION INFORMATION IND TECH RES INST CO LTD

SIM module management method and electronic device

Embodiments of this application provide a SIM module management method and an electronic device, and relate to the field of electronic devices. A solution that supports an eSIM module is provided for an existing electronic device that supports dual SIM modules, so that the dual SIM modules are compatible with the eSIM module. The electronic device in the embodiments of this application may support three SIM modules. The three SIM modules include at least one eSIM module. The remaining two SIM modules may be both plug-in SIM modules, or may be one plug-in SIM module and one softSlM module. A user can arbitrarily select two SIM modules from the three SIM modules to be in online standby mode, or can arbitrarily select one SIM module from the three SIM modules to be in online standby mode.
Owner:HUAWEI TECH CO LTD

Application line selection for multi-SIM devices

Systems and methods described herein enable association of an application with a line of service on Dual SIM Dual Standby (DSDS) devices. A user equipment (UE) device receives a command to execute an application that requires a mobile network connection. The UE device detects multiple available subscriber identity modules (SIMs), wherein each of the multiple available SIMs is associated with a different line of service. The UE device extracts an application identifier for the application, and determines, based on the application identifier, that the application is associated with a designated line of service. The UE devices initiates a session connection request for the application using a SIM, of the multiple available SIMs, associated with the designated line of service.
Owner:VERIZON PATENT & LICENSING INC

Dynamic profile and radio access technology selection based on application network slice requirements

Embodiments described herein relate to wireless communications, including methods and apparatus for dynamically selecting subscriber identity module (SIM) profiles, electronic SIM (eSIM) profiles, multi-SIM operating modes, and / or wireless access networks for network slice based applications of wireless devices. A wireless device can include at least two SIM / eSIM profiles and switch use of SIM / eSIM profiles, change between dual SIM operating modes, and / or select a registration mode based on requirements of one or more applications in use and availability of network slices via different wireless networks.
Owner:APPLE INC

Frequency band control method in abnormal scenario of dual-card terminal and terminal device

A frequency band control method in an abnormal scenario of a dual-card terminal and a terminal device. For a dual-card user scenario that supports a 5G SA mode or a 5G NSA mode, it is determined whether a frequency band combination of two cards belongs to a preset frequency band combination and whether signal quality of a primary card and / or signal quality of a secondary card meet / meets a preset threshold. If the frequency band combination of the two cards belongs to the preset frequency band combination and the signal quality of the primary card and / or the signal quality of the secondary card are / is less than the preset threshold, an NR capability of a terminal device is controlled to fall back, for example, an SA capability is disabled, or an NR link in an ENDC link is released, to improve the signal quality of the two cards.
Owner:HONOR DEVICE CO LTD

Call service switching method and apparatus

PCT designated stageWO2025161962A1Wireless communicationComputer networkWifi network
The present application provides a call service switching method and apparatus. The method comprises: determining a dual-SIM frequency band combination of a dual-SIM card device as a DSDS mode; determining that at least one of two SIM cards supports a VoWiFi service and a preference setting of the SIM card is mobile network priority or auto mode; and if the network signal strength of the current environment satisfies a WiFi switching threshold in a switching strategy (i.e., a second switching strategy) corresponding to WiFi priority, controlling the SIM card to switch to the VoWiFi service. In this way, the SIM card uses a WiFi network to carry a call service, without occupying radio frequency resources, and the other SIM card can normally use radio frequency resources. Hence, according to the solution, in a scenario in which the current environment is covered by the WiFi network, the SIM card supporting the VoWiFi service is directly controlled to switch to the VoWiFi service, without occupying radio frequency resources, and thus the other SIM card can normally use radio frequency resource, thereby solving the problem that when one SIM card is handling a call service in a DSDS mode, the other SIM card cannot use radio frequency resources.
Owner:HONOR DEVICE CO LTD

User equipment capability notification method and apparatus, and communication device and storage medium

PCT designated stage expiredWO2025039442A1Network data managementEmbedded systemCommunication device
The present application relates to the technical field of wireless communications, and relates to a user equipment capability notification method and apparatus, and a communication device and a storage medium. The method comprises: a user equipment receiving a system message sent by a second network to which a second subscriber identity module card belongs; and when a first subscriber identity module card of the user equipment is in a connected state and the second subscriber identity module card of the user equipment is about to enter the connected state, on the basis of first indication information in the system message, during the process of performing radio resource control (RRC) establishment or recovery on the second subscriber identity module card, sending to the second network second indication information used for indicating that the capability of the user equipment is limited. By using the present method, first indication information for allowing a user equipment to report, during RRC establishment or recovery, the capability of the user equipment being limited can be carried in a system message issued by a second network, such that the user equipment can actively report, during the RRC establishment or recovery, the capability of the user equipment being limited, thereby implementing state synchronization of the user equipment and the second network in advance, and reducing the service delay of subscriber identity module cards in a dual-card dual-pass user equipment. (FIG. 2)
Owner:CHINA TELECOM CORP LTD TECHNOLOGY INNOVATION CENTER +1

Dual SIM / ESIM single standby wireless device

The described embodiments regard methods and apparatus for configuring a wireless device to allow multiple subscriptions to be active simultaneously with data for at least one subscription associated with a SIM / eSIM in a partially active mode to be communicated via a cellular wireless connection established with another SIM / eSIM in a fully active mode. At least one SIM / eSIM is enabled, active, and registered for cellular wireless service and able to be used for establishing a cellular wireless data connection with a cellular wireless network. At least one additional SIM / eSIM is in a partially active state and can be registered for access to select cellular wireless services via the cellular wireless data connection of the at least one SIM / eSIM, where direct cellular wireless network connections via access network portions of cellular wireless networks cannot be established using the at least one additional SIM / eSIM while in the partially active state.
Owner:APPLE INC

Call service switching method and device

The invention provides a call service switching method and device, and the method comprises the steps: determining that a dual-card frequency band combination of dual-SIM card equipment is in a DSDS mode, at least one of two SIM cards supports a VoWiFi service, and the preference of the SIM card is set to be a mobile network priority or automatic mode, and furthermore, the mobile network priority or automatic mode can be switched. And when the network signal strength of the current environment meets a Wi-Fi switching threshold value in a switching strategy (namely a second switching strategy) corresponding to Wi-Fi priority, controlling the SIM card to be switched to the VoWiFi service. Therefore, the SIM card uses the Wi-Fi network to bear the call service, radio frequency resources are not occupied, and the other SIM card can normally use the radio frequency resources. Visibly, according to the scheme, the SIM card supporting the VoWiFi service is directly controlled to be switched to the VoWiFi service under the scene that the current environment covers the Wi-Fi network, and radio frequency resources are not occupied, so that the other SIM card can normally use the radio frequency resources, and the problem that the other SIM card cannot use the radio frequency resources when one SIM card performs the call service in the DSDS mode is solved.
Owner:HONOR DEVICE CO LTD

Wireless communications by dual SIM device

Aspects of the present disclosure provide a method for wireless communications by a user equipment (UE). The method generally includes receiving a request for a wireless connection from an application associated with one or more user equipment (UE) route selection policy (URSP) rules, attempting to establish the wireless connection for the application via a first subscriber identity module (SIM) according to one or more of the URSP rules associated with the application that are supported by the first SIM, and taking one or more actions to establish the wireless connection for the application via a second SIM if the attempt to establish the wireless connection for the application via the first SIM fails.
Owner:QUALCOMM INC

Uplink resource configuration method

This application provides an uplink resource configuration method. The method may be applied to user equipment that supports dual-SIM dual-active. In this method, after an uplink conflict occurs after uplink scheduling of a plurality of base stations is received, the user equipment that supports dual-SIM dual-active obtains a type of an uplink data packet of a service corresponding to each base station. When a current uplink data packet of a high-priority service is a padding package, the user equipment may preferentially allocate an uplink resource to a low-priority service to send an uplink data packet of the low-priority service, and does not allocate the uplink resource to the high-priority service.
Owner:HONOR DEVICE CO LTD

Method and apparatus for obtaining and handle proactive command(s) between terminal and card supporting logical interfaces

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method and an apparatus for providing a dual subscriber identity module (SIM) function even in a terminal with a single embedded universal integrated circuit card (eUICC) mounted are provided. A method and an apparatus for installing, activating, and managing a plurality of profiles are provided, so that even a terminal with a single eUICC mounted may provide a dual SIM function in a communication system. The method includes the following embodiments to achieve the foregoing aspect, a method in which an eUICC receives a command involving a profile state change from a local profile assistant (LPA), registers a proactive command, and notifies a modem of logical interface information for obtaining the proactive command, a method in which the eUICC determines whether to perform polling on a specific logical interface by combining predetermined information, such as the logical interface information received from the mode, the state of a logical interface collected and possessed by the modem, and the number of an interface on which a corresponding message is received, and a method in which the modem receives and processes the proactive command by performing polling on the logical interface.
Owner:SAMSUNG ELECTRONICS CO LTD

Terminal registration processing method and device

The present application provides a terminal registration processing method and device, wherein the method comprises: detecting that one or more identity recognition cards are inserted into a card slot; reading the identity identifiers of the one or more identity recognition cards; obtaining a network identifier corresponding to the identity identifier from a database, wherein the database stores a correspondence between the identity identifiers of registered cards and the network identifiers; and registering the one or more identity recognition cards according to the obtained results. This can solve the problem of pseudo-card replacement scenarios for dual-card or multi-card terminals in the related technology, in which the network is requested to allocate all identifiers during the registration process of a new card, which results in an increased network load. For pseudo-card replacement scenarios, the network identifiers of registered identity recognition cards are stored, which reduces unnecessary signaling interactions of the network while improving the efficiency and speed of terminal registration to the network.
Owner:ZTE CORP

Switching circuit, device and system for double SIM (Subscriber Identity Module) cards

The invention discloses a dual SIM card switching circuit, device and system, the dual SIM card switching circuit comprises a processing chip, a step-down circuit, a first capacitive reactance circuit, a connection circuit and an SIM module, the SIM module is connected with the processing chip and the two SIM cards, the step-down circuit is provided with a step-down voltage stabilizer, the connection circuit is provided with a one-way TVS tube and two bidirectional TVS tubes, and the two bidirectional TVS tubes are connected with the processing chip. One end of the one-way TVS tube and one ends of the two bidirectional TVS tubes are all connected with the step-down voltage stabilizer, the other end of the one-way TVS tube and the other ends of the two bidirectional TVS tubes are all grounded, one end of the first capacitive reactance circuit is connected with the step-down voltage stabilizer, and the other end of the first capacitive reactance circuit is electrified. Through the switching circuit of the double SIM cards, the switching of two operator networks is realized, the reliability and continuity of the network are improved, the device cost is reduced, the adaptability is strong, the circuit complexity is effectively reduced, and the stability and reliability are improved.
Owner:SHENZHEN SWORIX TECH CO LTD

A communication method and communication apparatus for a terminal

Embodiments of the present application provide a communication method and a communication device for a terminal. According to the method, in the case of supporting service concurrency, the dual-card capability of the terminal can be dynamically allocated, the reduction of the terminal capability corresponding to one SIM card causes the increase of the terminal capability corresponding to another SIM card, or the increase of the terminal capability corresponding to one SIM card causes the reduction of the terminal capability corresponding to another SIM card, so that the dual-card resources can be maximally used, and the overall performance of the multi-SIM card terminal can be improved.
Owner:HUAWEI TECH CO LTD

Systems and methods for handling non-active subscriber identity module services in multiple subscriber identity module dual subscriber identity module dual standby mode

Systems and methods for providing non-active subscriber identity module (SIM) services leveraging multiple SIMs configured at multiple UEs are disclosed herein. A primary user equipment (UE), activating a first SIM of a dual SIM dual standby (DSDS) configuration used by the primary UE to perform active-mode network communications on the first SIM and sends, to a secondary UE, an indication to activate a second SIM of the DSDS configuration in response to the activating the first SIM of the DSDS configuration used by the primary UE. The secondary UE receives the indication to activate the second SIM of the first DSDS configuration used by the primary UE and activates the second SIM for use by the secondary UE in response to receiving the indication. Accordingly, the secondary UE may handle any network communications on the second SIM during the network communications on the first SIM at the primary UE.
Owner:APPLE INC

A multi-station testing device

The present invention aims to provide a multi-station testing device with multiple testing stations, a small overall volume, and low cost. The present invention includes a base, a carrier moving module, a black card testing module, and a dual-card testing module. The carrier moving module includes a Y-axis driving mechanism and a lifting carrier assembly disposed on the Y-axis driving mechanism. The black card testing module and the dual-card testing module are disposed above the carrier moving module and are sequentially arranged along the length direction of the Y-axis driving mechanism. The black card testing module includes a first testing station and a second testing station sequentially arranged along the Y-axis length direction, and an optical window is provided on the second testing station. The dual-card testing module includes an X-axis driving mechanism, a Z-axis driving mechanism, a gray card testing component, and a supplementary card testing component arranged in parallel on the Z-axis driving mechanism, and the Z-axis driving mechanism is disposed on the movable end of the X-axis driving mechanism. The present invention is applied to the technical field of optical testing.
Owner:INTELLIGENT AUTOMATION ZHUHAI CO LTD

Techniques for managing connections for wireless devices configured for multiple subscriber identity module (SIM) environments

The embodiments set forth techniques for managing connections for wireless devices configured for multiple Subscriber Identity Module (SIM) environments, such as dual SIM, dual standby (DSDS) environments. A common scenario involves a first wireless device receiving a voice call (e.g., using a first SIM of the first wireless device) while carrying out a data call with a second wireless device (e.g., using a second SIM of the first wireless device). In such a scenario, the data call is often disrupted due to the voice call, which can cause confusion to a user of the second wireless device. Accordingly, the techniques disclosed herein include the first wireless device providing, in conjunction with receiving the voice call, a notification of the voice call to the second wireless device. In turn, the second wireless device can inform the user of the event to help mitigate the aforementioned confusion.
Owner:APPLE INC

Method and apparatus for accessing cell, chip, terminal device, and storage medium

The application discloses a method and device for accessing a cell, a chip, a terminal device and a storage medium. The method is applied to a terminal device, the terminal device comprises a first subscriber identity card and a second subscriber identity card, the terminal device supports a dual-card dual-standby function based on a part frequency band combination of the first subscriber identity card and the second subscriber identity card, and the method comprises the following steps: accessing the first subscriber identity card to a first cell by searching for a cell; determining whether a second cell exists based on a frequency band where the first cell is located, the frequency band where the first cell is located and a frequency band where the second cell is located are dual-card dual-standby frequency bands; and if the second cell exists, controlling the second subscriber identity card to access the second cell to support the dual-card dual-standby function.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Water-injected flood control box (double card slot)

1. The name of this design product: Water-filled flood prevention box (dual card slots). 2. Purpose of this design product: This design product is used for flood control and waterproofing. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: 3D diagram of the combined state 1.
Owner:NANJING HYDRAULIC RES INST +1

Electric connector capable of accommodating double cards

The utility model provides an electric connector capable of accommodating double cards, which is provided with an insulating seat body, an insulating base, a sliding assembly, a first terminal group, a second terminal group and a card support, the insulating base is assembled on the top side of the insulating seat body, a butt joint space is formed between the insulating base and the insulating base, the sliding assembly is assembled on one side in the butt joint space, and the first terminal group and the second terminal group are arranged in the butt joint space. The first terminal group and the second terminal group are respectively assembled in the insulating seat body and the insulating base, the interior of the card holder is divided into two parts through a partition plate, an SIM card and an SD card are accommodated and positioned in the card holder, and when the card holder is inserted into the butt joint space, the sliding assembly movably supports and positions the card holder, and the card holder is inserted into the butt joint space. And the SIM card and the SD card on the card holder are electrically connected with the plurality of first butt joint parts and the plurality of second butt joint parts on the first terminal group and the second terminal group respectively.
Owner:ATTEND TECH

Dual connectivity scenario for coordinated leave

Dual SIM operations with one SIM configured for Multi-radio dual connectivity. On request of a first SIM, the second SIM with dual connectivity, releases one of the two connections, by issuing an appropriate request to the network node.
Owner:NOKIA TECHNOLOGIES OY

Method and apparatus for initialization between user equipment and universal integrated circuit card in wireless communication system

The disclosure relates to a 5G or 6G communication system to support a higher data rate after a 4G communication system (e.g., LTE). The disclosure provides a method performed by a user equipment (UE) in a wireless communication system, the method including receiving, by a modem, a first message including at least one of information related to whether an embedded UICC (eUICC) function is supported and information related to whether a multiple enabled profile (MEP) is supported from an eUICC, and determining, by the modem, to operate with an MEP function based on the received at least one of the information related to whether the eUICC function is supported and the information related to whether the MEP is supported. Furthermore, various embodiments of the disclosure provide a method and apparatus for providing a dual SIM function even in a UE equipped with a single eUICC in a wireless communication system.
Owner:SAMSUNG ELECTRONICS CO LTD

Communication method, device, equipment, medium and product supporting MBS (Multimedia Broadcasting System) under dual-card dual-pass

The invention relates to a communication method, device, equipment, medium and product supporting MBS under dual-card bi-pass, and the method comprises the steps: determining a first frequency band corresponding to the MBS when a first user card is in a non-connection state for receiving the MBS; determining a second frequency band set available for a second user card; wherein each frequency band in the second frequency band set and the first frequency band form a frequency band combination supporting dual-card dual-pass; based on the second frequency band set, controlling the second user card to execute a connection adaptation operation adapted to dual-card bi-pass; wherein the connection adaptation operation at least comprises one of the following operations: cell reselection of the second user card in a non-connection state and cell switching of the second user card in a connection state. According to the method and the device, the dual-card bi-pass connection can be intelligently maintained when the first user card receives the MBS service, the problem of dual-card service conflict is effectively solved by dynamically optimizing the frequency band selection of the second user card, and the service experience feeling of a user is remarkably improved.
Owner:SPREADTRUM COMMUNICATION (SHANGHAI) CO LTD

Communication method and device for realizing dual-card dual-pass

The embodiment of the invention discloses a communication method for realizing dual-card bi-pass, which relates to the field of communication, is applied to communication equipment comprising a first user and a second user, and comprises the following steps: accessing a first cell for the first user; accessing a second cell for a second user; when a communication conflict exists between a first cell of the first user and a second cell of the second user, the second user is transferred from the second cell to a third cell, and the communication conflict comprises any one of the following conditions: signals of the first user or the second user cannot be transmitted, or the flow of at least one of the first user and the second user is reduced. According to the communication method provided by the embodiment of the invention, the problem that multiple users in the communication equipment cannot communicate at the same time can be solved.
Owner:HUAWEI TECH CO LTD

Dual-card dual-standby vehicle-mounted terminal communication module

The utility model relates to the technical field of communication, in particular to a dual-card dual-standby vehicle-mounted terminal communication module, which comprises a communication module internally provided with a communication chip; the first built-in SIM card and the second built-in SIM card are both arranged in the communication module, the first built-in SIM card is connected with the first SIM card interface of the communication chip, and the second built-in SIM card is connected with the second SIM card interface of the communication chip; and the security chip is arranged in the communication module and is connected with the communication chip through the power conversion circuit. According to the utility model, on the premise that the hardware design is not changed, the dual-card dual-standby function upgrading of the vehicle-mounted terminal can be directly realized by replacing the communication module with the dual-card dual-standby function, the built-in security chip provides communication for a final user, and the communication security application provides an underlying encryption and decryption service interface, a channel encryption and decryption interface and the like; and the application security of the whole communication module can be ensured at a bottom layer.
Owner:CHIPSET SECURITY WE THINGS (SHANGHAI)MICROELECTRONICS TECH CO LTD

Systems and methods for reducing transmission data collision for dual subscriber dual active devices

Systems and methods for reducing collisions of transmission data for a first subscriber (e.g., a voice subscriber) with transmission data for a second subscriber (e.g., a data subscriber) at a dual sim dual active (DSDA) user equipment (UE) are described herein. A DSDA UE may be configured to implement a modified skipUplinkTxDynamic feature that avoids collisions by buffering transmission data of the data subscriber and sending a (later) scheduling request (SR) for a grant for that data. A DSDA UE may regulate data subscriber transmissions to avoid a transmission duration for the voice subscriber. A DSDA UE may reduce certain transmissions for a voice subscriber (subject to a block error rate (BLER) threshold for the voice subscriber) to lower the probability of collision. A DSDA UE may operate a data subscriber and a voice subscriber in the same cell to avoid collisions due to RF tuning and / or relative slot overlap.
Owner:APPLE INC

A dual-card single-standby method and system without switching chip

The present application belongs to the field of mobile communication terminal, and particularly relates to a double-card single-waiting method and system without switch switching chip, which first collects terminal temperature data, service type, network quality parameters and fingerprint characteristics of double SIM cards in real time, combines with preset electro-thermal-equipment coupling model to calculate energy removal duration and safe establishment time window; simultaneously, service sensing scheduling is carried out based on service influence weight and network quality prediction sequence to determine access switching mode and optimal switching timestamp; then, residual charge of the first SIM card is discharged by using impedance reconstruction method, and power-on reference voltage curve is generated, and precise power-on of the second SIM card is realized through pulse width modulation and control algorithm; data in the switching process is recorded, and recursive least square method is used to optimize and update the parameters of the electro-thermal-equipment coupling model. The present application does not need special switching chip, effectively reduces hardware cost, and improves switching reliability, service continuity and energy efficiency stability.
Owner:DONGGUAN QIAOAN ZHILIAN TECHNOLOGY CO LTD