Abstract: Embodiments of the present invention provide a channel switching method, apparatus, and device. The method includes: obtaining, by a mobile Wi-Fi device, a channel switching instruction sent by a Wi-Fi access point, where the channel switching instruction carries a destination channel identifier; and switching, by the mobile Wi-Fi device according to the channel switching instruction, a communication channel between the mobile Wi-Fi device and the Wi-Fi access point, and a communication channel between the mobile Wi-Fi device and a terminal that accesses the mobile Wi-Fi device to a destination communication channel corresponding to the destination channel identifier carried in the channel switching instruction. In this way, a Wi-Fi client and a Wi-Fi access end of a mobile Wi-Fi device still work on a same communication channel after performing channel switching, thereby improving compatibility, a throughput, and stability of the mobile Wi-Fi device.

Abstract: An electronic device includes a shell, a circuit board disposed in the shell, a plug and an antenna that are electrically connected to the circuit board, and a linkage mechanism disposed between the plug and the antenna. When the plug extends from the shell, the plug drives the linkage mechanism and drives, through the linkage mechanism, the antenna to be stretched, or when the antenna is stretched, the antenna drives the linkage mechanism and drives, through the linkage mechanism, the plug so as to enable the plug to extend from the shell.

Abstract: The present disclosure relates to the field of antenna technologies and discloses a feeding matching apparatus of a multiband antenna, a multiband antenna, and a radio communication device to improve a bandwidth and efficiency of a lower frequency band. The feeding matching apparatus of a multiband antenna includes: a grounding portion; a feeding portion connected to a signal source, where a signal of the signal source is input into the feeding portion; and two or more ground cable branches with different lengths, where one end of each ground cable branch is electrically connected to the feeding portion, the other end is electrically connected to the grounding portion, at least one ground cable branch is connected in series to a signal filtering component, and the signal filtering component is capable of preventing a signal lower than a frequency point corresponding to the signal filtering component from passing through it.

Abstract: Embodiments of the present invention provide a docking station and an external device control method and system utilizing the docking station, which are capable of implementing simultaneous working of devices of two types of protocols through a same multiplexing interface. The external device control method includes: utilizing a docking station, where the docking station includes: a first protocol/second protocol multiplexing interface for connecting to a main device; at least one first protocol device interface for connecting to a first protocol external device; and at least one second protocol device interface for connecting to a second protocol external device. The method is: receiving first protocol data sent by the first protocol external device through the first protocol device interface; and converting the first protocol data into second protocol data, and sending the second protocol data to the main device through the first protocol/second protocol multiplexing interface.

Abstract: A method and apparatus for processing contact information, the method comprising: displaying a list of contacts on a display of a wireless terminal; determining a first contact from the list of contacts in response to a selection by a user; obtaining a web log address and an online shop address of the first contact; obtaining, from a network service, a first content corresponding to the web log address and the online shop address of the first contact; and displaying the first content on a first area of the display, the first content being dynamically updated.

Abstract: A method for establishing a Bluetooth® connection, a mobile terminal, a Bluetooth® device, and a system, where the method includes establishing data connections with at least two Bluetooth® devices, obtaining a voice connection instruction, where the voice connection instruction includes identification information of a target Bluetooth® device selected by a user from the Bluetooth® devices, and establishing a voice connection between the mobile terminal and the target Bluetooth® device according to the voice connection instruction. A voice connection is established with a Bluetooth® device selected by a user in order to improve an extent to which a Bluetooth® connection is established intelligently and a capability of interacting with the user. Therefore, the user can, according to needs, freely select a Bluetooth® device with which a connection is established, thereby improving convenience of the user in using the Bluetooth® device.

Abstract: A method for processing key value information of a remote control, a control device, and a remote control are provided. The present application can avoid a problem, in the prior art, of reduced operation efficiency and reduced operation reliability caused by the need of simultaneous operations on two remote controls. By using the technical solution provided by this embodiment of the present invention, it may be implemented that another remote control is synchronously set by performing operations on one remote control and displaying, by using a display device, a to-be-learned button on the another remote control, which is easy to operate and thereby improves operation efficiency and operation reliability.

Abstract: A security authentication method, device, and system are provided. A first device and a second device perform security authentication by using a first mapping key and a second mapping key, where the first mapping key is generated according to an initial key of the first device and a first predetermined algorithm, the second mapping key is generated according to an initial key of the second device and the first predetermined algorithm. A device in embodiments of the present invention performs security authentication by using a mapped initial key, which can increase the difficulty for an attacker to acquire a key, thereby improving security of a wireless network connection.

Abstract: A smart card connection circuit of an electronic device which includes a card holder, a travel switch, and a switching unit; a contact of the travel switch is located in the card holder, and an output end of the travel switch is connected to a control end of the switching unit; and when a smart card at a preset position in the card holder leaves the preset position, the smart card leaves the contact of the travel switch, the travel switch controls the switching unit to switch to a second output end, and each signal cable pin on the card holder is grounded by using the switching unit before a power cable pin on the card holder is grounded by using the switching unit. The present invention is applied to electronic devices such as a mobile phone and a tablet computer.

Abstract: A device-to-device (D2D) communication method and an apparatus where the method includes acquiring, by a first device, a communication signal resource and timing information of the communication signal resource, where the communication signal resource is used for D2D communication, and receiving, by the first device, on the communication signal resource according to the timing information of the communication signal resource, a communication signal sent by a second device, and using the D2D communication method and the apparatus provided in the present disclosure, synchronization between user devices for D2D communication can be implemented such that users located in different cells can use a D2D proximity service.

Abstract: A web real-time communication WebRTC call transferring method and apparatus. The method includes receiving a first identifier used for identifying a to-be-transferred call, where the to-be-transferred call is a WebRTC call having been established between a source terminal and a remote terminal, sending, according to the first identifier, a first request message used for requesting page information corresponding to the to-be-transferred call to a WebRTC server, and establishing, according to identification information of the remote terminal in the page information sent by the WebRTC server, a call connection used for bearing the to-be-transferred call with the remote terminal. By means of the embodiments of the present invention, the WebRTC call between the source terminal and the remote terminal may be transferred to between the destination terminal and the remote terminal, thereby implementing transferring of a WebRTC call between terminals.

Abstract: Embodiments of the present invention relate to a method for content sharing, where the method includes: receiving a content share request, establishing a share session with a receiving terminal, and sharing session content, which is played on a first initiating terminal, with the receiving terminal; and receiving a state notification about transferring the played session content from the first initiating terminal to a second initiating terminal, and according to the state notification, ending the share session or continuing to share the session content continuously played on the second initiating terminal. According to the embodiments of the present invention, CoD content watched on the initiating terminal can be shared, and when transfer occurs between display terminals of the content share initiator, a content share AS can perceive the transfer, and continuity of the share session can be ensured. The present invention further relates to a device for content sharing.

Abstract: A method for detecting an eavesdropping activity and a terminal device. The method includes determining whether a terminal device is in a conversation; when the terminal device is in a conversation, determining whether the terminal device has an application that starts a recording function; and when the terminal device has an application that starts a recording function, sending out an eavesdropping alarm prompt. By adopting the technical solutions of the present invention, an eavesdropping activity in a manner of recording may be detected.

Abstract: A network access method, device, and system. The method includes: detecting, by a mobile wireless interconnection device, whether interference exists between a first channel and a second channel, where the first channel is between the mobile wireless interconnection device and a station, and the second channel is between the mobile wireless interconnection device and a hotspot access device; if interference exists, reducing, by the mobile wireless interconnection device, its own transmit power, so that no interference exists between the first channel and the second channel, and the station accesses the Internet by using the mobile wireless fidelity device and the hotspot access device.

Abstract: A resource configuration method includes determining, by a base station, a physical multicast channel (PMCH) resource area and a non-PMCH resource area in a resource of a data frame used for transmitting a multicast or broadcast signal, where the PMCH resource area is used to carry a PMCH, and the non-PMCH resource area is used to carry a physical downlink channel; and sending, by the base station, resource configuration information to a user equipment, where the resource configuration information contains at least one of a resource identifier corresponding to the PMCH resource area and a resource identifier corresponding to the non-PMCH resource area.

Abstract: In a communication system, a service centralization and continuity application server (SCC AS): receives a first SIP message for establishing an IMS centralized service session; receives early session media information; and sends a second SIP message carrying the early session media information to a media gateway control device. The early session media information is carried in the second SIP message in a form of regular session media information, thus the media gateway control device uses an existing circuit switched bearer to transmit early session media to a first user equipment. The existing circuit switched bearer is established under control of the media gateway control device for a session between the first user equipment and a third user equipment. The SCC AS receives an off-hook signal from the second user equipment, and sends the regular session media information to the media gateway control device.

Abstract: A data transmission method, apparatus, and system are provided that relate to the communications field and that reduce core network bandwidth resources occupied by data transmission. The method includes receiving, by a first base station, a request message sent by a first device, where the request message carries identification information of requested data and identification information of the first device, and the first device includes a user equipment or a second base station; retrieving, by the first base station, in stored data according to the identification information of the requested data; and when matched data is retrieved, sending, by the first base station, the matched data to the first device according to the identification information of the first device, where the matched data refers to data that matches the identification information of the requested data.

Abstract: The present invention provides a photographing method for a dual-lens device. The dual-lens device includes a first lens and a second lens that are arranged on a same plane. The photographing method includes acquiring a first image collected by a first image sensor; identifying a scenario of the first image to determine a photographing environment, determining a second image signal processor (ISP) parameter corresponding to the second lens; acquiring a second image that is collected, according to the second ISP parameter, and generating a preview image. According to the present invention, a photographing environment is determined by using an image collected by one lens of the dual-lens device, and then a preview image is generated by using an image collected by the other lens.

Abstract: An near field communication (NFC) radio frequency communication control method. The method includes: instructing, by a first NFC host by using a second message, an NFCC to terminate, according to the second message, a radio frequency communication process currently executed for a third NFC host after the first NFC receives a first message used to indicate that a second NFC host requests radio frequency communication and when the first NFC determines that the NFCC is currently in a non-idle state and a priority of the second NFC host is higher than a priority of the third NFC host, where the third NFC host is an NFC host corresponding to the radio frequency communication process currently executed by the NFCC. This effectively avoids the problem that a conflict occurs when multiple NFC hosts request radio frequency communication from an NFCC in an NFC multi-host architecture, thereby maintaining system running reliability.

Abstract: A control device for current switching includes: a universal serial bus on-the-go (USB OTG) interface for connecting to a first device; a universal serial bus (USB) interface for connecting to a second device; a booster current-limiting circuit connected between the USB OTG interface and the USB interface, where the booster current-limiting circuit, the USB OTG interface, and the USB interface form a line for the device to supply power to a device; and a measuring and controlling unit connected to the booster current-limiting circuit, where the measuring and controlling unit is configured to change, after a current switching request is received, a resistance value of a current-limiting circuit in the booster current-limiting circuit, so that the first device supplies a corresponding current to the second device. The control device for current switching and the electronic device can improve universality of the control device for current switching.