TW201929515A - Control method for lost mobile communication device and related mobile communication device - Google Patents

Abstract

The present invention provides a method of controlling a lost mobile communication device and a related mobile communication device, the mobile communication device comprising a wireless transceiver and a controller. The wireless transceiver performs wireless transmission and reception to and from a service network. The controller sends a request message to the service network via the wireless transceiver for establishing a data connection with the service network, and receives a response message, which comprises information indicating the mobile communication device to perform a security operation, from the service network via the wireless transceiver. Also, the controller performs the securing operation in response to receiving the response message.

Description

Control method for lost mobile communication equipment and related mobile communication equipment

This application relates generally to the management of lost devices, and more specifically to a method for controlling a lost mobile communication device and related mobile communication devices.

With the rapid development of computer technology, mobile communication devices such as smart phones, laptops, and personal computers (PCs) are becoming smaller and more portable. The portability of mobile communication equipment can be convenient for users, but may also make mobile communication equipment easy to be lost, misplaced or stolen. For example, a smart phone may fall out of its owner's pocket, or a laptop may be left on public transportation.

In traditional designs, owners of lost mobile communication devices can use tracking services (for example, the "Find My Phone" service provided by Apple, the "Device Management" service provided by Android), or "My Xperia" service provided by Sony Corporation to regain lost mobile communications equipment. This traditional design requires the owner to manually register the mobile communication device with the user account, and the tracking service and the binding relationship between the user account and the registered mobile communication device work together. However, if lost If the mobile communication device is intentionally refreshed or factory reset, the binding relationship can be removed.

In another traditional design, the owner of the lost mobile communication device may require the telecommunications network operator to which the lost mobile communication device is registered to track the lost mobile communication device. In order to track lost mobile communication devices via the telecommunications network, user authentication modules such as the Subscriber Identity Module (SIM) or the User Services Identity Module (USIM) need or remain in place Or installed in a lost mobile communication device. However, if the user authentication module is removed from the lost mobile communication device, tracking the lost mobile communication device via the telecommunications network will not work.

Therefore, it is desirable to have a more robust way to protect lost mobile communication devices.

In a first aspect of the present application, a mobile communication device including a wireless transceiver and a controller is provided. The wireless transceiver performs wireless transmission to a service network and wireless reception from the service network. The controller sends a request message to a service network via the wireless transceiver to establish a data connection with the service network, and receives a corresponding message from the service network via the wireless transceiver, the response message includes an instruction Information on the safe operation of the mobile communication device. In addition, the controller performs a security operation in response to receiving the response message.

In a second aspect of the present application, a method for applying remote control to a lost mobile communication device is provided, the method being performed by the mobile communication device. The method includes the steps of: sending a request message to a service network to communicate with The service network establishes a data connection; receives a response message from the service network, the response message including information instructing the mobile communication device to perform a security operation; and performing a security operation in response to receiving the response message.

In the third party of the present application, a service network including an access network and a core network is provided. The access network wirelessly sends to and receives wirelessly from the mobile communication device. The core network receives a request message for establishing a data connection from the mobile communication device via the access network after receiving a user notification indicating that the mobile communication device is lost, and responds to the request message to the mobile communication via the access network The device sends a response message that includes information instructing the mobile communication device to perform a secure operation.

In a fourth aspect of the present application, a method for applying remote control to a lost mobile communication device is provided, the method being performed by a service network. The method includes the steps of: receiving a request message for establishing a data connection from a mobile communication device after receiving a user notification indicating that the mobile communication device is lost; and sending a response message to the mobile communication device in response to the request message, the The response message includes information instructing the mobile communication device to perform a secure operation.

The control method and the mobile communication device for the lost mobile communication of the present invention can enable the lost mobile communication device to perform a safe operation to improve the way of protecting the lost mobile communication device.

Other aspects and features of the present application will become apparent to those having ordinary knowledge in the art upon careful reading of the following description of specific embodiments of mobile communication devices, service networks, and methods for applying remote control to lost mobile communication devices. .

100‧‧‧communication environment

110‧‧‧Mobile communication equipment

120‧‧‧Service Network

121‧‧‧ Core Network

122‧‧‧Access Network

130‧‧‧Internet

140‧‧‧personal computing equipment

10‧‧‧Wireless Transceiver

11‧‧‧ RF Device

12‧‧‧ fundamental frequency processing device

13‧‧‧ Antenna

20‧‧‧ Controller

30‧‧‧Storage device

40‧‧‧ display device

50‧‧‧ input device

S310, S320, S330, S340, S350, S360 ‧‧‧ steps

The application can be more fully understood by reading the following detailed description and examples with reference to the drawings, wherein: FIG. 1 is a block diagram of a communication environment according to an embodiment of the application; FIG. 2 is a mobile communication device according to an embodiment of the application 110 is a block diagram; and FIG. 3 is a message sequence diagram of how to apply remote control to a lost mobile communication device according to an embodiment of the present application.

The following description is made for the purpose of illustrating the general principles of the application and should not be considered limiting. It should be understood that embodiments may be implemented in software, hardware, corpus callosum, or any combination thereof.

The 3GPP specifications mentioned here are used to teach the spirit of this application, but the application is not limited thereto.

As used herein, the term "lost" may refer to a device state where the device owner is unaware of the device's current location or the device is otherwise out of direct physical contact with the owner.

FIG. 1 is a block diagram of a communication environment according to an embodiment of the present application.

The communication environment 100 includes a mobile communication device 110, a service network 120, an Internet 130, and a personal computing device 140. The mobile communication device 110 is wirelessly connected to the service network 120 to obtain mobile services. The personal computing device 140 may send a notification to the serving network 120 via the Internet 130.

The mobile communication device 110 may be a feature phone, a smart phone, a tablet PC, a laptop, or a wireless technology supported by the service network 120 Any computing device.

The service network 120 includes an access network 121 and a core network 122. The access network 121 is responsible for processing radio signals, terminating the radio protocol, and connecting the mobile communication device 110 and the core network 122. The core network 122 is responsible for performing mobility management, Network-side authentication and interface to public / external networks (e.g., Internet). Each of the access network 121 and the core network 122 may include one or more network nodes for performing the functions.

For example, if the service network 120 is a 2G network, such as a General Packet Radio Service (GPRS) network or an Enhanced Data rates for Global Evolution (EDGE) network, The access network 121 may be a Base Station Subsystem (BSS) including at least one Base Transceiver Station (BTS) and at least one Base Station Controller (BSC), and the core network 122 may be a GPRS core including a gateway GPRS support node (Gateway GPRS support node, GGSN) and a serving GPRS support node (Serving GPRS support node, SGSN).

If the service network 120 is a 3G network (such as a Wideband Code Division Multiple Access (WCDMA) network), the access network 121 may include at least one Base Station (BS) and A universal terrestrial radio access network (UTRAN) of at least one radio network controller (Radio Network Controller, RNC), and the core network 122 may be a GPRS core including a GGSN and a SGSN.

If the serving network 120 is a 4G network (such as a Long Term Evolution (LTE) network, an LTE-Advanced (LTE-A) network, or a Time-division LTE, TD-LTE ) Network), the access network 121 may be an evolved UTRAN (Evolved-UTRAN, E-UTRAN) including at least two evolved NodeBs (e.g., macro eNBs, femto eNBs, or pico eNBs). ), And the core network 122 may include a Home Subscriber Server (HSS), a Mobility Management Entity (MME), a Serving Gateway (S-GW), and a packet data network Evolved Packet Core (EPC) of a Packet Data Network Gateway (PDN-GW / P-GW).

FIG. 2 is a block diagram of a mobile communication device 110 according to an embodiment of the present application. The mobile communication device 110 includes a wireless transceiver 10, a controller 20, a storage device 30, a display device 40, and an input device 50.

The wireless transceiver 10 is configured to wirelessly transmit to and receive from the access network 121. Specifically, the wireless transceiver 10 includes a radio frequency (RF) device 11, a base frequency processing device 12, and an antenna 13.

The baseband processing device 12 is configured to perform baseband signal processing and control communication between a user identification card (not shown) and the RF device 11. The baseband processing device 12 may include a plurality of hardware components to perform baseband signal processing. The baseband signal processing includes analog-to-digital conversion (ADC) / digital-to-analog conversion , DAC), gain adjustment, modulation / demodulation, encoding / decoding, etc.

The RF device 11 may receive an RF wireless signal via the antenna 13, convert the received RF wireless signal into a baseband signal processed by the baseband processing device 12, or receive a baseband signal from the baseband processing device 12, and convert the received The baseband signal is converted into an RF wireless signal to be transmitted later via the antenna 13. The RF device 11 may also include a plurality of hardware devices that perform radio frequency conversion. For example, the RF device 11 may include a mixer that multiplies the baseband signal by a carrier that oscillates at a radio frequency of a supported wireless technology, where the radio frequency may be at 900MHz, 1800MHz, or 1900MHz in technology, or 900MHz, 1900MHz, or 2100MHz in WCDMA technology, or 900MHz, 2100MHz, or 2.6GHz, or another radio frequency used in LTE / LET-A / TD-LTE technology .

The controller 20 may be a general-purpose processor, a micro control unit (MCU), an application processor, a digital signal processor (DSP), and the like. It includes various circuits for providing data processing and calculation. Functions, controlling the wireless transceiver 10 to wirelessly communicate with the access network 121, storing and retrieving data to and from the storage device 30, and transmitting a series of frame data (e.g., text messages, graphics, etc.) to the display device 40 , Images, etc.), and receives signals from the input device 50. Specifically, the controller 20 coordinates the aforementioned operations of the wireless transceiver 10, the storage device 30, the display device 40, and the input device 50 in order to execute the method of the present application.

In another embodiment, the controller 20 may be incorporated into the baseband processing device 12 to function as a baseband processor.

As will be understood by those skilled in the art, the circuit of the controller 20 will generally include a transistor that functions and operates as described in accordance with the present invention. The mode is configured to control the operation of the circuit. As will be further understood, the specific structure or interconnection of the transistor will typically be determined by a compiler, such as a Register Transfer Language (RTL) compiler. The RTL compiler can be operated by the processor on a script that closely approximates the language code to compile the script into a form for layout or fabrication of the final circuit. In fact, RTL is known for its role and use in the fabrication of electronic and digital system design processes.

The storage device 30 is a non-transitory machine-readable storage medium, including a memory (such as a flash memory or a non-volatile random access memory (Non-Volatile Random Access Memory, NVRAM)), a programmable electronic fuse (Electronic fuse), or magnetic storage device (such as a hard disk or magnetic tape), or optical disk, or any combination thereof, used to store the unique identification (ID) and application, communication protocol and / or of the mobile communication device 110 Instructions or code for the method of this application.

For example, the storage device 30 may be NVRAM, and the unique ID of the mobile communication device 110 is stored in the NVRAM, where the unique ID may be an International Mobile Equipment Identity (International Mobile Equipment Identity, pre-configured by the manufacturer of the mobile communication device 110). IMEI) or custom ID. Alternatively, the storage device 30 may be a user authentication module (such as SIM or USIM), and the unique ID of the mobile communication device 110 may be an International Mobile Subscriber Identity (International Mobile Subscriber Identity) stored in the SIM / USIM. , IMSI).

The display device 40 may be a liquid crystal display (Liquid-Crystal Display, LCD) or a light-emitting diode (Light-Emitting) for providing a display function. Diode (LED) display, or Electronic Paper Display (EPD). Alternatively, the display device 30 may further include one or more touch sensors arranged above or below for sensing a touch, contact, or proximity of an object such as a finger or a stylus.

The input device 50 may include one or more buttons, a keyboard, a mouse, a touch pad, a camera, a microphone and / or a speaker, etc., serving as a human machine interface (MMI) for interacting with a user.

It should be understood that the components described in the embodiment of FIG. 2 are for illustrative purposes only and are not intended to limit the scope of the application. For example, the mobile communication device 110 may further include a Global Positioning System (GPS) device for providing location information of the mobile communication device 110.

FIG. 3 is a message sequence diagram of how to apply remote control to a lost mobile communication device according to an embodiment of the present application.

First, the mobile communication device 110 registers with the service network 120 by sending a registration request message to the core network 122. The registration request message includes the unique identification of the mobile communication device 110 (step S310), and then receives a registration response from the service network 120. Message (step S320).

In one embodiment, the registration request message is an ATTACH REQUEST message, and the registration response message is an ATTCH ACCEPT message.

In this embodiment, it is assumed that steps S310-S320 are performed when the mobile communication device 110 is in the possession of the owner, and the following steps are performed after the owner realizes that the mobile communication device 110 is lost or stolen.

The owner then uses the personal computing device 140 to the core network 122 A user notification indicating that the mobile communication device 110 is lost is sent (step S330). For example, the user notification may include the unique ID of the mobile communication device 110 to indicate which device is lost.

In one embodiment, the operator of the service network 120 may set up a web server on the internet 130. The web server provides a website for the personal computing device 140 to connect to. On this website, the mobile communication device 110 Owners can log in and issue user notifications.

In another embodiment, the operator of the service network 120 may establish a call center connected to the Public Switched Telephone Network (PSTN), and the owner of the mobile communication device 110 may call the call center to Request a user notification.

After step S330, the mobile communication device 110 sends a connection request message to the core network 122 to establish a data connection, where the connection request message includes the unique ID of the mobile communication device 110 previously registered to the core network 122 (step S340). The mobile communication device 110 may send a connection request message in response to initiating any data service, such as a network service, an IP Multimedia Subsystem (IMS) service, or a video streaming service.

When receiving the connection request message, the core network 122 determines that the mobile communication device 110 has been reported as lost or stolen. Therefore, the core network 122 sends a connection response message to the mobile communication device 110 via the access network 121. The connection response message includes an instruction. Information that the mobile communication device 110 performs a secure operation (step S350).

In one embodiment, the connection request message is a PDN connection request (CONNECTIVITY REQUEST) message in the LTE / LTE-A / TD-LTE system, and the connection response message is in the LTE / LTE-A / TD-LTE system. The system initiates a default EPS bearer context request (ACTIVATE DEFAULT EPS BEARER CONTEXT REQUEST) message.

In another embodiment, the connection request message is an ACTIVATE PDP CONTEXT REQUEST message in a GPRS / EDGE / WCDMA system, and the connection response message is an ACTIVATE PDP context acceptance in a GPRS / EDGE / WCDMA system. PDP CONTEXT ACCEPT) message.

When receiving the connection response message, the mobile communication device 110 performs a security operation according to the information in the connection response message (step S360), and the method ends.

In one embodiment, the information in the connection response message instructing the mobile communication device 110 to perform a security operation is a Protocol Configuration Option (PCO) in the LTE / LTE-A / TD-LTE system. It should be noted that the PCO described herein is for illustrative purposes only and is not intended to limit the scope of the application. For example, the information instructing the mobile communication device 110 to perform a secure operation may be implemented in another telecommunication system (such as a GPRS / EDGE / WCDMA system or a CDMA-2000 system) with the same or similar / different parameters or data structures.

The PCO may refer to a PCO Information Element (IE) that also includes an identifier that specifies a PCO value, where the PCO value may be set to a reserved value of FF00H to FFFFH.

For example, if the PCO value is set to FF00H, the safe operation may be to lock the mobile communication device 110. If the PCO value is set to FF01H, the safe operation may be to report the location information of the mobile communication device 110 to the service network 120 News. If the PCO value is set to FF02H, the safe operation may be to delete data in the storage device 30.

Please note that because the registration request message, registration response message, connection request message, and connection response message are beyond the scope of this application, for brevity, their detailed descriptions are omitted here, and 3GPP specification TS 24.008 V10.3.0 can be referred to.

In view of the foregoing embodiment of FIG. 3, it will be understood that the present application improves the way to protect a lost mobile communication device by using the PCO to enable the lost mobile communication device to perform a secure operation. Advantageously, a safe operation can be performed regardless of whether the lost mobile communication device is refreshed or factory reset, or whether the user authentication module of the lost mobile communication device has been removed.

Although the application has been described by way of example and in view of preferred embodiments, it should be understood that the application is not limited thereto. Those skilled in the art can still make various changes and modifications without departing from the scope and spirit of the present application. Therefore, the scope of this application should be defined and protected by the scope of the following patent applications and their equivalents.

Claims (10)

A mobile communication device includes: a wireless transceiver that wirelessly transmits to a service network and receives wirelessly from the service network; and a controller, wherein the controller passes the The wireless transceiver sends a request message to the service network to establish a data connection with the service network, and receives a response message from the service network via the wireless transceiver, the response message includes instructions to the mobile communication device Information for performing a security operation, and performing the security operation in response to receiving the response message. The mobile communication device according to item 1 of the scope of patent application, wherein the mobile communication device further comprises: a non-transitory machine-readable storage medium that stores a unique identifier of the mobile communication device ; Before sending the request message, the controller further registers the unique identification of the mobile communication device with the service network via the wireless transceiver, and the request message includes the mobile communication The unique identification of the device. The mobile communication device according to item 1 of the scope of patent application, wherein the information included in the response message is a protocol configuration option. The mobile communication device according to item 3 of the scope of patent application, wherein the agreement configuration option includes an identification word set to a value of FF00H to FFFFH. The mobile communication device according to item 1 of the scope of patent application, wherein the security operation includes at least one of the following: locking the mobile communication device; Reporting the location information of the mobile communication device to the service network via the wireless transceiver; and deleting data stored in the mobile communication device. A method for controlling a lost mobile communication device. The method is performed by the mobile communication device. The method includes the following steps: sending a request message to a service network to establish a data connection with the service network; The service network receives a response message including information instructing the mobile communication device to perform a security operation; and performing the security operation in response to receiving the response message. The method for controlling a lost mobile communication device according to item 6 of the scope of patent application, wherein the mobile communication device includes a non-transitory machine-readable storage medium that stores the A unique identification of the mobile communication device, and the request message includes the unique identification of the mobile communication device, and the method further includes the step of: registering the service network with the service network before sending the request message The unique identification of the mobile communication device. The method for controlling a lost mobile communication device according to item 6 of the scope of patent application, wherein the information included in the response message is a protocol configuration option. The method for controlling a lost mobile communication device according to item 8 of the scope of patent application, wherein the agreement configuration option includes an identification word set to a value of FF00H to FFFFH. Used for the loss of mobile communication equipment as described in the scope of patent application No. 6 A control method, wherein the security operation includes at least one of: locking the mobile communication device; reporting position information of the mobile communication device to the service network; and deleting stored in the mobile communication device data of.