Abstract: A device-to-device (D2D) multi-carrier aggregation-based carrier set selection method and a related device are provided. A base station receives reporting information from a terminal, the reporting information comprising multiple carriers measured as meeting a reporting condition by the terminal; the base station selects, according to resource status of the multiple carriers, a carrier set for CA used for D2D communication of the terminal. The implementations of the disclosure also disclose a related device.

Abstract: The present disclosure provides a preamble configuration method on an unlicensed carrier, which includes: PRACH configuration information. The PRACH configuration information includes sub-frame location information, CCA interval location information for a channel idle estimation, a channel detection mechanism, preamble format information and preamble sending location information; the sub-frame location information representing a sub-frame number of a sub-frame in which a preamble to be sent is located, the CCA interval location information representing a location on the sub-frame or on a previous sub-frame of the sub-frame, the CCA interval occupying at most N symbols at a head or at an end of the sub-frame, the preamble format information representing that the preamble is a format 0 preamble, the preamble sending location information representing a sending location of the format 0 preamble to be sent on the sub-frame. Control signaling carrying the PRACH configuration information to user equipment is sent.

Abstract: The embodiments of the present disclosure provide a method for configuring scheduling signaling on an unlicensed carrier. The method includes: configuring, by a base station, a carrier scheduling configuration message of a scheduled cell on the unlicensed carrier, the carrier scheduling configuration message comprising a scheduling type identifier, a scheduling cell identifier, and Physical Downlink Shared Channel (PDSCH) starting symbol position information of a scheduling cell, and the scheduling type identifier indicating an uplink and downlink semi-persistent self-scheduling, an uplink and downlink semi-persistent cross-carrier scheduling, or a dynamic scheduling; and sending, by the base station, Radio Resource Control (RRC) signaling to user equipment that carries the carrier scheduling configuration message. Scheduling flexibility on an unlicensed carrier and throughput of communication systems can be improved by implementing the present disclosure.

Abstract: A method for identifying a pseudo wireless access point, applied to an electronic device, includes: determining whether an abnormal file operation is detected, when the electronic device is connected to a wireless network through a wireless access point; determining the wireless access point to be a pseudo wireless access point, when the abnormal file operation is detected; and executing an early warning instruction. A system for identifying a pseudo wireless access point is also provided. The present disclosure can timely discover a phishing wireless access point and prevent loss of a user's privacy and property.

Abstract: A method and a network for beam-based mobility management are provided. The method includes the following. At least one beam signal and a signal strength of the at least one beam signal are acquired. A candidate transmission object is determined according to the signal strength of the at least one beam signal. Parameter information of the candidate transmission object is transmitted to a serving base station. Parameter information of a target handover object determined by the serving base station according to the parameter information of the candidate transmission object is received.

Abstract: A method for managing beam groups, applicable to a base station and a terminal, is provided. The method includes the following. Multiple beams are divided into at least one beam group. Downlink transmission content is transmitted to a terminal via at least one beam of the at least one beam group carrying the downlink transmission content. And the terminal is informed of parameter information of the at least one beam of the at least one beam group. A terminal is also provided.

Abstract: A charging current regulation method, a regulation device and a terminal are provided, the method includes: when charging a terminal, detecting temperature values of working components corresponding to each of a plurality of charging integrated circuits in the terminal (202); according to the temperature values of the working components corresponding to each charging integrated circuit, determining final temperature values of the working components corresponding to each charging integrated circuit (204); regulating charging current of the plurality of charging integrated circuits according to a plurality of final temperature values (206). According to the method, when charging a terminal, equalization of a temperature rise of working components in the terminal in different application scenarios can be ensured, thus the temperature rise of the working components in the terminal is prevented from being too high.

Abstract: A method for transmitting system information and related devices are provided. The method includes the following. A base station receives a system information request sent by a terminal. The base station sends the system information to the terminal according to the system information request. The system information includes minimum system information and other system information. The minimum system information includes a bitmap field for indicating a system information block existing in the other system information.

Abstract: The present disclosure provides an auxiliary communication method and system, a device having base station function and a terminal. The auxiliary communication method includes: determining whether it is needed to provide auxiliary communication for any terminal according to channel quality of communication channels with the any terminal and data transmission requirement of the any terminal; selecting a specified terminal which is connected to the device having the base station function as an auxiliary terminal for assisting communication of the any terminal, when it is determined that it is needed to provide auxiliary communication for the any terminal; communicating with the any terminal through the auxiliary terminal. The present disclosure enables accurately to determine the terminal assisted in communication. Wasting communication sources and blind assistance are avoided. Higher channel quality of the terminal between the terminal and the base station and higher data transmission rate can be ensured.

Abstract: An embodiment of the disclosure provides a voice communication method, a calling terminal, a called terminal and a system, the voice communication method includes: establishing, by a calling terminal, a data communication connection between a called terminal and the calling terminal; obtaining a calling terminal international mobile subscriber identity (IMSI), a called terminal IMSI, a first random number for encryption and decryption, and generating a first encryption key; encrypting voice signals according to the first encryption key by using a preset encryption algorithm and obtaining first encrypted voice signals; sending the first encrypted voice signals to the called terminal. The first encryption key is generated according to the calling terminal IMSI, the called terminal IMSI, and the voice signals are encrypted by using the preset encryption algorithm, thus an encryption process is highly targeted and highly confidential, and security of voice services is improved.

Abstract: An imaging method applied to an image device and to a terminal containing the image device includes determining a brightness of an environment background of an object to be shot; determining a number of images of the object to be shot continuously according to a relationship between the brightness of the environment background, a preset brightness, and the number of the images continuously shot. A noise reduction process is carried out on the images continuously shot to complete an imaging process. All images continuously shot are processed to expand an original information amount of the images. Image definition is not reduced in the noise-canceling process, and a high-quality image can be achieved even under a weak light conditions.

Abstract: Provided are a method and a device for information transmission. The method comprises: determining, by a base station, communication resource indication information corresponding to a user terminal according to a reserved frequency domain resource range, where the user terminal is located within a service range of the base station; sending, by the base station, the corresponding communication resource indication information to the user terminal to enable the user terminal to perform measurement and data interaction on a communication resource location determined by the communication resource indication information, where the communication resource location is not within the reserved frequency domain resource range.

Abstract: A communication method and a base station are provided, the method includes: determining, by a base station, a time length of a time domain scheduling unit, a downlink, a guard period and symbols occupied by an uplink, included in the time domain scheduling unit; generating length configuration information of the time domain scheduling unit according to the time length, the downlink, the guard period and the symbols occupied by the uplink; sending the length configuration information to a terminal through radio resource control signaling and/or downlink control information signaling, and informing the terminal of a length configuration of the time domain scheduling unit; implementing, by the base station, a communication with the terminal based on the length configuration. By utilizing the method, it is beneficial for the terminal to acquire time information of time domain resource scheduling, and utilization efficiency of time domain resources is improved.

Abstract: A charging device, a charging method and a terminal, an output end of the main charging circuit and output ends of the at least two secondary charging circuits are connected to a battery of an electronic device, and the output end of the main charging circuit is used for supplying power to an internal chip of the electronic device, disconnecting a connection between the main charging circuit and the battery when a voltage of the output end of the main charging circuit reaches a voltage required by the internal chip, and supplying power for the battery through the output ends of the at least two secondary charging circuits. in this way, charging time is shortened and a purpose of fast charging a battery is achieved.

Abstract: The embodiments of the present disclosure provide a method for configuring scheduling signaling on an unlicensed carrier. The method includes: configuring, by a base station, a carrier scheduling configuration message of a scheduled cell on the unlicensed carrier, the carrier scheduling configuration message comprising a scheduling type identifier, a scheduling cell identifier, and Physical Downlink Shared Channel (PDSCH) starting symbol position information of a scheduling cell, and the scheduling type identifier indicating an uplink and downlink semi-persistent self-scheduling, an uplink and downlink semi-persistent cross-carrier scheduling, or a dynamic scheduling; and sending, by the base station, Radio Resource Control (RRC) signaling to user equipment that carries the carrier scheduling configuration message. Scheduling flexibility on an unlicensed carrier and throughput of communication systems can be improved by implementing the present disclosure.

Abstract: A data transmission method, a terminal, a base station and a data transmission system are disclosed, the method applied to a terminal includes: receiving a scheduling instruction issued by a base station, the scheduling instruction carrying a location identifier, and the scheduling instruction being used for scheduling one or more transmission subframes; obtaining the location identifier; determining a transmission subframe according to the location identifier, a subframe where the scheduling instruction is located, and a scheduling location identification rule, the scheduling location identification rule including correspondence relations between the location identifier, the subframe where the scheduling instruction is located and the transmission subframe; transmitting data through the transmission subframe. The terminal obtains the location identifier and finds a transmission subframe to perform a data transmission and then realize data transmission across the subframes.

Abstract: The present disclosure provides a communication method, communication device and a terminal, the communication method comprising: determining a PCell group or a PSCell group working on the unlicensed carrier by a terminal; and performing a RLM on the PCell group or the PSCell group; the PCell group or the PSCell group being established by selected from at least one serving cell working on the unlicensed carrier, each serving cell working on one unlicensed carrier. The technical solution can deploy a PCell group or a PSCell group in the unlicensed frequency band, to perform RLM on the PCell group or the PSCell group, a number of times of RLF is reduced, and it can avoided a problem of huge signaling overhead and throughput loss, caused by RRC Reestablishment or reconfiguration of the PSCell as RLF has been frequently detected in the unlicensed frequency band.

Abstract: A multimedia file processing method and a multimedia file processing apparatus include: according to attributes of an acquired multimedia file, selecting a designated operating system for processing the multimedia file from multiple operating systems; and using the designated operating system to process the multimedia file.

Abstract: The present disclosure provides a communication method and a communication device. The method includes: configuring at least one serving cell for each terminal, each of the at least one serving cell working on an unlicensed carrier; selecting at least one of the at least one serving cell as a primary cell or a primary secondary cell of the terminal, the selected serving cell forming a primary cell group or a primary secondary cell group of the terminal; and controlling the primary cell group or the primary secondary cell group to send a MIB to the terminal. The technical solution improves a transmission probability of the MIB of the primary cell group or the primary secondary cell group on an unlicensed frequency band, ensuring that a user receives the MIB in time to perform a time synchronization, the communication is normal, and delay and efficiency requirements of communication are met.

Abstract: A random access method, device, and terminal for an LTE system operating on an unlicensed frequency band. The method comprises: determining a format of a random access preamble sequence; determining, according to the format of the random access preamble sequence, a channel detection mode for a random access channel; performing, according to the determined channel detection mode, detection on the random access channel; and upon detection of the random access channel being in an idle state, sending the random access preamble sequence via the random access channel.