Abstract: A method and an apparatus for acquiring channel information in a polarization division duplex system. An uplink signal transmitted from a terminal is received, the uplink signal indicating that a null subcarrier is disposed in a first subcarrier overlapped with a second subcarrier including a downlink pilot signal, and a self-interference channel is estimated by using a signal received from the null subcarrier. A signal corresponding to the null subcarrier from the uplink signal is removed, and channel information is acquired by estimating the uplink channel based on estimation results of the self-interference channel and a pilot signal included in the uplink signal from which the null subcarrier is removed.

Abstract: A machine learning method for learning how to form bounding boxes, performed by a machine learning apparatus, includes extracting learning images including a target object among a plurality of learning images included in a learning database, generating additional learning images in which the target object is rotated from the learning images including the target object, and updating the learning database using the additional learning images.

Abstract: Methods for transmitting and receiving data of a station includes setting a direct route to a corresponding station and a relay route to a relay device, selecting one route as between the direct route and relay route, and transmitting and receiving data through the selected route. A non-transitory computer-readable storage medium may store a program including instructions to cause a computer to perform the method. The setting may be performed by a processor and the transmitting and receiving may be performed respectively by a transmitter and a receiver.

Abstract: Disclosed are a method for signal modulation based on pulse density modulation and an apparatus therefore. The method for signal modulation is performed in an apparatus for modulating a signal based on pulse density modulation and includes performing pulse density modulation on an analog signal input to the apparatus through a pulse density modulator of the apparatus, converting a bandwidth of the pulse density modulated signal into a bandwidth required for the apparatus through a correlative encoder of the apparatus, transmitting the bandwidth converted signal to a radio frequency (RF) unit of the apparatus based on an electrical-to-optical (E/O) converter and an optical-to-electrical (O/E) converter of the apparatus, filtering a frequency band of the bandwidth converted signal and outputting the frequency band filtered signal via the RF unit.

Abstract: The present invention provides a method, and an associated apparatus configured to implement such a method, for analysing mark-up language text content, such as might be found on a website or within online user generated content. The method comprises a training phase, in which plurality of schemas are automatically generated from a specified text and a final schema is compiled. This final schema can then be used to compare with other online text content such that content which matched the final schema can be identified, for example for further analysis and comparison.

Abstract: A foldable screen assembly and an electronic device are disclosed. The foldable electronic device may include a shaft assembly, a support assembly, a flexible display screen, and a housing assembly. The support assembly includes a first supporting plate and a second supporting plate. The first supporting plate and the second supporting plate are rotatable along with the shaft assembly, such that the electronic device is switchable between the folded state and the unfolded state. The flexible display screen includes a first end and a second end respectively located at two opposite sides of the shaft assembly. The first end is fixedly connected to the first supporting plate, and the second end is elastically coupled to the second supporting plate. The housing assembly includes a first housing and a second housing.

Abstract: A connector including two connector portions each including a ferrule and a latch, each latch including a distal end, and a proximal end, wherein the latch is pivotable about an intermediate connection portion; and a boot mounted to the connector portions, the boot movable longitudinally relative to the connector portions, wherein the boot causes the distal ends of the latch to pivot toward the ferrule of each connector portion as the boot is moved away from the connector portions. Front housings of the connector portions can each be rotated about the longitudinal axis of the ferrule without rotating the ferrule or the boot, to change the polarity of the two connector portions. The spacing between the two ferrules is adjustable. A holder holds the connector portions, the holder including side slots, the connector portions mounted to the holder by moving laterally to the side slots. The holder defines an area for receipt of a fiber optic cable when the ferrule is pushed in a direction toward the boot.

Abstract: Provided is an apparatus for controlling a distributed cloud for three-dimensional (3D) printers, the apparatus including a user matcher configured to transmit and receive data to/from a user terminal, a 3D model receiver configured to receive a 3D model selected by the user terminal from a 3D model distribution platform server, a 3D printer manager configured to manage a plurality of 3D printers connected to a distributed cloud for 3D printers, a 3D part model generator configured to divide the 3D model into 3D part models, each of which is producible by a single 3D printer, on the basis of property information of the 3D model and specification information of the 3D printers collected by the 3D printer manager, and a 3D part model transmitter configured to transmit the 3D part models to the plurality of 3D printers on the basis of the property information of the 3D model and the specification information of the 3D printers collected by the 3D printer manager.

Abstract: A transmission method of a base station is provided. The base station generates a first discovery signal block including a first PSS (primary synchronization signal) and a first SSS (secondary synchronization signal). The base station generates a second discovery signal block including a second PSS and a second SSS. Also, the base station transmits the first discovery signal block and the second discovery signal block.

Abstract: Disclosed are a random access method and a random access apparatus in a wireless communication system. An operation method of a terminal in a communication system, according to the present invention, comprises receiving system information including configuration information on a physical random access channel (PRACH) composed of a plurality of access slots from a first base station; selecting one access slot among the plurality of access slots based on the configuration information; and transmitting a random access preamble to the first base station through the one access slot. Therefore, the capacity of the random access channel can be increased without further occupation of radio resources.

Abstract: Provided is a chemical sensor which includes an alignment frame that has an opening that passes through the inside of the alignment frame and includes first and second side portions that face each other with the opening therebetween and insulation portions disposed between the first and second side portions, a plurality of sensing fibers disposed in two-dimensions across the opening of the alignment frame so as to connect the first side portion and the second side portion, and a source pattern and a drain pattern connected to the first side portion and the second side portion of the alignment frame, respectively.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Abstract: A control method for sensors of a mobile terminal is provided, which includes: a to-be-enabled sensor in the sensors of the mobile terminal is determined according to a sensor enabling instruction; when determining that a sensor power-on event of the mobile terminal is triggered, a power-on delay of a target sensor of the mobile terminal is acquired, wherein the target sensor at least includes the to-be-enabled sensor and, when there is one target sensor, the power-on delay of the target sensor is shorter than a maximum power-on delay of the sensors of the mobile terminal; in response to determining that the power-on delay corresponding to the target sensor is reached at a present moment, state resetting is executed on the target sensor; and when the state resetting is completed, the to-be-enabled sensor is enabled to become an enabled sensor, and acquired data of the enabled sensor is reported.

Abstract: A scheduling request transmission method and a related device, used to solve the technical problem wherein no technical solution is currently available for providing SR feedback for terminals supporting different transmission time intervals. The method comprises: a terminal acquiring a first physical uplink control channel (PUCCH) resource corresponding to a first SR and a second PUCCH resource corresponding to a second SR, the first PUCCH resource being different from the second PUCCH resource; the first SR corresponding to a first transmission time interval (TTI) length, and the second SR corresponding to a second TTI length, the first TTI length being different from the second TTI length; the terminal determining whether the first SR and/or the second SR require transmission; if the first SR and/or the second SR require transmission, the terminal transmitting the first SR and/or the second SR by means of a PUCCH.

Abstract: A wireless navigation system with automatic guidance to the final destination/routes capable of operating in Internet-dead zones includes a system of servers containing data of final destinations/routes, Google and/or Apple Maps API, a voice synthesizer server, a GPS/AGPS system of satellites, servers and processing stations, a set of sensors, a microprocessor, a standard mobile operating system, a supra operating system controlling the above systems and a display and sound system for displaying the final output of the system.

Abstract: An image decoding method according to an embodiment of the present invention comprises the steps of: acquiring encoding tree unit information from an image stream; acquiring signaling information on a maximum coding unit size of a coding unit divided from the encoding tree unit; and dividing the encoding tree unit by steps according to the signaling information.

Abstract: Disclosed in the present invention are a method and device for acquiring and feeding back transmission beam information, comprising: a base station transmits, to a terminal, reference signals and information related to reference signal set division by using downlink transmission beams, wherein the base station transmits a reference signal for each downlink transmission beam, the reference signal of each beam is issued after being formed by using a beam forming weight corresponding to the beam, and the reference signals transmitted using the downlink transmission beams from the same beam group are divided into a reference signal set; the terminal selects Q reference signals from the received reference signals according to the reception quality and according to the information related to reference signal set division, selects a downlink transmission beam combination, and reports to the base station; and the base station determines a downlink transmission beam for transmitting data to the terminal according to a

Abstract: The present disclosure provides a method for broadcasting system information. The method includes: obtaining preset global system information, the global system information including pre-divided basic system information and terminal-related system information; broadcasting the basic system information on a broadcast channel; receiving a message uploaded by User Equipment (UE) through an uplink channel, and extracting a system information requirement message included in the message; determining target system information in the terminal-related system information according to an indication of the system information requirement message. By adopting the present disclosure, there is no need to send all system information to a terminal at one time, thereby occupying less capacity resources of a base station broadcast channel and improving resource utilization of the broadcast channel.