Abstract: A method of a first terminal may include: identifying first RB set(s) to be used for SL communication among consecutive RB sets through an LBT procedure; identifying a first subchannel group included in the first RB set(s) and a second subchannel group including a first PRB in the first RB set(s), the first PRB being not included in the first subchannel group; configuring the first PRB within the second subchannel group as an SL communication resource; and transmitting, to a second terminal, control information indicating that the first PRB is configured as the SL communication resource.

Abstract: Provided is a method of operating a network device for train control in a wireless communication system, the method including: generating control information for train control; providing a first control command to a first base station through a first interface based on the control information; and providing a second control command to a second base station through a second interface based on the control information, wherein the first control command or the second control command is provided to the first base station or the second base station through the first interface or the second interface via a first core network for train control, and one of the first base station and the second base station is connected to a second core network.

Abstract: A method of a transmitting terminal may include: determining a beam candidate set including two or more beams usable for sidelink communication with a receiving terminal from among a plurality of beams that can be beam-formed; determining a resource set for each beam within the beam candidate set through resource sensing, such that the resource set has candidate resources equal to or greater than a predetermined number of candidate resources; selecting a beam and a resource to be used for sidelink communication with the receiving terminal based on the beam candidate set and the resource set; and transmitting sidelink data to the receiving terminal using the selected beam and the selected resource.

Abstract: A communication method of a base station may include: configuring a first band as a communication band from an entire carrier frequency band of the base station, the entire carrier frequency band including the first band and a second band; transmitting a synchronization signal in the first band by beamforming in one of both directions of a moving path of a transportation means; communicating with a terminal by beamforming in a same direction as the synchronization signal in the first band; and transmitting a synchronization signal in the second band by beamforming in the same direction as the synchronization signal in the first band.

Abstract: The present invention relates to a method or kit for producing cancer stem cell spheroids, and a method of screening of drugs for treating cancer cell resistance using the prepared cancer stem cell spheroid, and it can conveniently produce cancer stem cell spheroids, and the prepared cancer stem cell spheroids can be effectively utilized for screening drugs for treating cancer cell resistance.

Abstract: An example method and a device for providing content to at least one external device are provided. The example method includes communicating with the at least one external device, displaying a plurality of contents stored in the device on a screen of the device, determining whether the at least one external device is executing an application corresponding to an application being executed in the device, and providing at least one of the displayed plurality of contents to the at least one external device, based on the determination.

Abstract: A method and apparatus for sharing presentation data, interactions, and annotation information between devices. The method includes: converting the presentation data into at least one image; transmitting the at least one image to the second device; displaying an image from among the at least one image on a screen of the first device, and transmitting image identification information about the displayed image to the second device; adding annotation data to the displayed image, based on a user input; and transmitting annotation information about the annotation data to the second device. The second device displays an image corresponding to the image identification information on a screen of the second device based on the image identification information, and the second device displays the annotation information on the image displayed on the screen of the second device the annotation information.

Abstract: A wearable device includes a user information obtainer configured to obtain user information, a controller configured to selectively generate, in response to a user being authenticated based on the user information, an encryption key for encryption of content of an external device; and a communicator configured to transmit the encryption key to the external device.

Abstract: A method of providing data by a first electronic device is provided. The method includes connecting with a plurality of electronic devices, transmitting information on data that is able to be provided to the plurality of electronic devices by the first electronic device, to a second electronic device from among the plurality of electronic devices that is selected as a host device for transmitting the data to at least one of the plurality of electronic devices instead of the first electronic device, and transmitting the data to the second electronic device.

Abstract: An example method and a device for providing content to at least one external device are provided. The example method includes communicating with the at least one external device, displaying a plurality of contents stored in the device on a screen of the device, determining whether the at least one external device is executing an application corresponding to an application being executed in the device, and providing at least one of the displayed plurality of contents to the at least one external device, based on the determination.

Abstract: An operation method of a base station in a mobile communication network may comprise determining to disconnect a radio resource control (RRC) connection; transmitting a RRC connection release message to a terminal; releasing the RRC connection with the terminal while maintaining an S1-U bearer set up between the base station and a serving gateway (S-GW); and releasing the S1-U bearer after maintaining the S1-U bearer for a first time.

Abstract: A method and a device for providing content to at least one external device are provided. The method includes communicating with the at least one external device, displaying a plurality of contents stored in the device on a screen of the device, determining whether the at least one external device is executing an application corresponding to an application being executed in the device, and providing at least one of the displayed plurality of contents to the at least one external device, based on the determination.

Abstract: A mobile terminal and a method operating the same are provided. The method includes generating a list of a service that may be provided to an external via a Local Area Network (LAN), transmitting the generated service list to the external terminal, receiving a request for providing a service that is included in the service list from the external terminal, and connecting the mobile terminal to the external terminal via the LAN and providing the requested service to the external terminal.

Abstract: A first electronic device may include: a display unit that displays an execution screen of an application executed in the first electronic device; and a processor configured to receive an input for transmitting contents related to one or more objects selected within the execution screen of the application to a second electronic device and to transmit the contents related to the one or more selected objects to the second electronic device in response to the input. The contents related to the one or more selected objects may be displayed in the second electronic device without being displayed on the execution screen of the first electronic device.

Abstract: An operation method of an electronic device is provided. The method includes acquiring a media contents sharing list which includes media contents retained by the electronic device and media contents retained by at least one other electronic device communicating with the electronic device, and transmitting the first media contents to the at least one other electronic device based on playback of first media contents retained by the electronic device within the media contents sharing list, and receiving the second media contents from the at least one other electronic device and outputting the received second media contents based on playback of second media contents retained by the at least one other electronic device within the media contents sharing list.

Abstract: A method and apparatus for sharing presentation data, interactions, and annotation information between devices. The method includes: converting the presentation data into at least one image; transmitting the at least one image to the second device; displaying an image from among the at least one image on a screen of the first device, and transmitting image identification information about the displayed image to the second device; adding annotation data to the displayed image, based on a user input; and transmitting annotation information about the annotation data to the second device. The second device displays an image corresponding to the image identification information on a screen of the second device based on the image identification information, and the second device displays the annotation information on the image displayed on the screen of the second device the annotation information.

Abstract: A method of receiving a packet by a receiving terminal is provided. The method includes receiving one or more packets including information about an event which belongs to a same kind of event from a transmitting terminal, and selecting at least one packet from among the received one or more packets based on time information of a certain point of time at the certain point of time.

Abstract: A test device for testing a plurality of semiconductor devices, each of which includes a plurality of functional blocks and a plurality of test pads coupled to the functional blocks. The test device includes a test header including a plurality of test channels, a plurality of test sites on which the semiconductor devices are installed, and a test control device. The test control device allocates the test channels to at least some of the test pads of the semiconductor devices to test more than two of the semiconductor devices simultaneously. The number of the test sites is greater than a value generated by dividing the number of the test channels by the number of the test pads of each of the semiconductor devices.

Abstract: An operation method of a base station in a mobile communication network may comprise determining to disconnect a radio resource control (RRC) connection; transmitting a RRC connection release message to a terminal; releasing the RRC connection with the terminal while maintaining an S1-U bearer set up between the base station and a serving gateway (S-GW); and releasing the S1-U bearer after maintaining the S1-U bearer for a first time.

Abstract: Provided are a method for a connection configuration of a base station including: operating a C-RNTI release timer for release of a C-RNTI which is used in a connection mode before an idle mode after a terminal is transited to the idle mode; and configuring a connection with the terminal by using the C-RNTI before the C-RNTI release timer is expired, a method for connection configuration of a terminal including: receiving information on a release time of a C-RNTI which is used in a connection mode before an idle mode from a base station after being transited to the idle mode; and configuring a connection with the base station by using the existing C-RNTI when a transmission request of uplink data occurs for the release time, and the terminal.