Abstract: A method for Multi-User Multi-Input Multi-Output (MU-MIMO) transmission is provided. The method comprises: receiving an uplink Orthogonal Frequency Division Multiple Access (OFDMA) frame from a plurality of stations; estimating downlink channel states for the plurality of stations based on the uplink OFDMA frame; and selecting one or more of the plurality of stations for downlink MU-MIMO transmissions based on the estimation of downlink channel states for the plurality of stations.

Abstract: A method for Multi-User Multi-Input Multi-Output (MU-MIMO) transmission is provided. The method comprises: receiving an uplink Orthogonal Frequency Division Multiple Access (OFDMA) frame from a plurality of stations; estimating downlink channel states for the plurality of stations based on the uplink OFDMA frame; and selecting one or more of the plurality of stations for downlink MU-MIMO transmissions based on the estimation of downlink channel states for the plurality of stations.

Abstract: Provided are an electronic device and a control method. The electronic device comprises: a storage unit for storing a user-based dictionary; an input unit for receiving an input sentence including a user-specific word and at least one word learned by a neural network-based language model; and a processor for determining a concept category of the user-specific word on the basis of semantic information of the input sentence, adding the user-specific word to the user-based dictionary to perform update, and when text corresponding to semantic information of the at least one learned word is input, providing the user-specific word as an autocomplete recommendation word which can be input subsequent to the text.

Abstract: An example operation method for an electronic device having a plurality of antennas including a first antenna and a second antenna is disclosed. According to one embodiment, the operation method for an electronic device can comprise the steps of: communicating with a first external electronic device through the first antenna and the second antenna based on a first communication scheme during a first period; and communicating with the first external electronic device through the first antenna based on the first communication scheme, and with a second external electronic device through the second antenna based on a second communication scheme, during a second period.

Abstract: An electronic apparatus mounted on a vehicle is provided. The electronic apparatus according to an example embodiment includes a communicator comprising communication circuitry configured to communicate with an external device, an application processor (AP), and a micro controller unit (MCU) comprising a micro controller configured to turn on a power source of the AP in response to a communication connection request being received from the external device in a state in which the power source of the AP is turned off, wherein the AP, in response to a control command being received from the external device after the power source is turned on, is configured to provide telematics service according to the received control command.

Abstract: A communication method using a plurality of wireless communication schemes includes acquiring information about time durations for communicating using a first communication scheme and a second communication scheme, determining whether a time duration for communicating using the second communication scheme is within the predefined time, comparing a number of stored response messages to a threshold value based on a result of the determining, setting a number of response messages to be transmitted in a time duration for communicating using the first communication scheme based on a result of the comparing, and transmitting at least one response message using the first communication scheme based on setting of the number of response messages to be transmitted.

Abstract: A method of an electronic apparatus for providing a sight securing image to a vehicle is provided, in which the method for providing a sight securing image includes determining at least one external vehicle from among a plurality of external vehicles, acquiring an external image at the determined external vehicle, acquiring an external vehicle image of the determined external vehicle, generating a sight securing image corresponding to a view obstructed by the external vehicle, by compositing at least part of the acquired external image and at least part of the acquired external vehicle image, and providing the generated sight securing image to a display.

Abstract: A transceiver includes a communicator connected to a plurality of electronic apparatuses which receives channel information on a channel between a first electronic apparatus and the transceiver from the first electronic apparatus selected among the plurality of electronic apparatuses, and a controller configured to select a second electronic apparatus among the plurality of electronic apparatuses based on information received from each of the plurality of electronic apparatuses when information indicating communication performance in the case in which each of the one or more electronic apparatuses is in the same group as the first electronic apparatus, is received from each of the plurality of electronic apparatuses through the communicator, group the first and second electronic apparatuses into the same group when the channel information on a channel between the second electronic apparatus and the transceiver is received from the second electronic apparatus, and control the communicator to transmit data.

Abstract: Provided are an electronic device and a control method. The electronic device comprises: a storage unit for storing a user-based dictionary; an input unit for receiving an input sentence including a user-specific word and at least one word learned by a neural network-based language model; and a processor for determining a concept category of the user-specific word on the basis of semantic information of the input sentence, adding the user-specific word to the user-based dictionary to perform update, and when text corresponding to semantic information of the at least one learned word is input, providing the user-specific word as an autocomplete recommendation word which can be input subsequent to the text.

Abstract: A communication method using a plurality of wireless communication schemes includes acquiring information about time durations for communicating using a first communication scheme and a second communication scheme, determining whether a time duration for communicating using the second communication scheme is within the predefined time, comparing a number of stored response messages to a threshold value based on a result of the determining, setting a number of response messages to be transmitted in a time duration for communicating using the first communication scheme based on a result of the comparing, and transmitting at least one response message using the first communication scheme based on setting of the number of response messages to be transmitted.

Abstract: An example operation method for an electronic device having a plurality of antennas including a first antenna and a second antenna is disclosed. According to one embodiment, the operation method for an electronic device can comprise the steps of: communicating with a first external electronic device through the first antenna and the second antenna based on a first communication scheme during a first period; and communicating with the first external electronic device through the first antenna based on the first communication scheme, and with a second external electronic device through the second antenna based on a second communication scheme, during a second period.

Abstract: A communication method using a plurality of wireless communication schemes is provided. The method includes receiving at least one data segment transmitted using a first communication scheme from among the plurality of wireless communication schemes; generating a response message for the received at least one data segment; storing the generated response message; comparing a number of stored response messages to a threshold value; setting a number of response messages to be transmitted in a time duration for communicating using the first communication scheme from among the plurality of wireless communication schemes based on a result of the comparison; and transmitting at least one response message using the first communication scheme based on the setting of the number of response messages to be transmitted, wherein the time duration for communicating using the first communication scheme is set to be located between time durations for communicating using a second communication scheme.

Abstract: An electronic apparatus mounted on a vehicle is provided. The electronic apparatus according to an example embodiment includes a communicator comprising communication circuitry configured to communicate with an external device, an application processor (AP), and a micro controller unit (MCU) comprising a micro controller configured to turn on a power source of the AP in response to a communication connection request being received from the external device in a state in which the power source of the AP is turned off, wherein the AP, in response to a control command being received from the external device after the power source is turned on, is configured to provide telematics service according to the received control command.

Abstract: A method of an electronic apparatus for providing a sight securing image to a vehicle is provided, in which the method for providing a sight securing image includes determining at least one external vehicle from among a plurality of external vehicles, acquiring an external image at the determined external vehicle, acquiring an external vehicle image of the determined external vehicle, generating a sight securing image corresponding to a view obstructed by the external vehicle, by compositing at least part of the acquired external image and at least part of the acquired external vehicle image, and providing the generated sight securing image to a display.

Abstract: A communication method using a plurality of wireless communication schemes is provided. The method includes receiving at least one data segment transmitted using a first communication scheme from among the plurality of wireless communication schemes; generating a response message for the received at least one data segment; storing the generated response message; comparing a number of stored response messages to a threshold value; setting a number of response messages to be transmitted in a time duration for communicating using the first communication scheme from among the plurality of wireless communication schemes based on a result of the comparison; and transmitting at least one response message using the first communication scheme based on the setting of the number of response messages to be transmitted, wherein the time duration for communicating using the first communication scheme is set to be located between time durations for communicating using a second communication scheme.

Abstract: A transceiver is provided.

Abstract: Provided is a scheduling method of a multi-user multi-input multi-output (MIMO) communication system. The scheduling method includes transmitting a channel state information request signal to a user equipment when data to be transmitted to the user equipment is received, and calculating, by the user equipment receiving the channel state information request signal, an effective channel gain of the user equipment, determining whether channel state information (CSI) is capable of being transmitted, and transmitting the CSI of the user equipment according to a result of the determining.

Abstract: Provided is a scheduling method of a multi-user multi-input multi-output (MIMO) communication system. The scheduling method includes transmitting a channel state information request signal to a user equipment when data to be transmitted to the user equipment is received, and calculating, by the user equipment receiving the channel state information request signal, an effective channel gain of the user equipment, determining whether channel state information (CSI) is capable of being transmitted, and transmitting the CSI of the user equipment according to a result of the determining.

Abstract: A topographer for mapping the central portion as well as the peripheral portion of the corneal surface is disclosed. The topographer includes a chart image generating part for producing a chart image to fixate the gaze of an eye under test; a measuring light source for projecting concentric ring-shaped measuring lights to the cornea of the eye; a light detector for detecting the image of the measuring light reflected from the cornea; and a vertex measuring optical system.

Abstract: A topographer for mapping the central portion as well as the peripheral portion of the corneal surface is disclosed. The topographer includes a chart image generating part for producing a chart image to fixate the gaze of an eye under test; a measuring light source for projecting concentric ring-shaped measuring lights to the cornea of the eye; a light detector for detecting the image of the measuring light reflected from the cornea; and a vertex measuring optical system.