Abstract: The present invention relates to a method and device for encoding or decoding an object audio signal or rendering the object audio signal in a three-dimensional space. The method for processing an audio signal, according to one aspect of the present invention, comprises the steps of: generating a first object signal group and a second object signal group obtained by classifying a plurality of object signals according to a determined method; generating a first down-mix signal for the first object signal group; generating a second down-mix signal for the second object signal group; generating first object extraction information in correspondence with the first down-mix signal with respect to object signals included in the first object signal group; and generating second object extraction information in correspondence with the second down-mix signal with respect to object signals included in the second object signal group.

Abstract: The present invention relates to a method and device for encoding or decoding an object audio signal or rendering the object audio signal in a three-dimensional space. The method for processing an audio signal, according to one aspect of the present invention, comprises the steps of: generating a first object signal group and a second object signal group obtained by classifying a plurality of object signals according to a determined method; generating a first down-mix signal for the first object signal group; generating a second down-mix signal for the second object signal group; generating first object extraction information in correspondence with the first down-mix signal with respect to object signals included in the first object signal group; and generating second object extraction information in correspondence with the second down-mix signal with respect to object signals included in the second object signal group.

Abstract: The present invention provides a wireless communication device comprising: a communication module for receiving multimedia data from a base station of a wireless communication system; and a multimedia module for playing the received multimedia data, wherein the communication module receives a backhaul delay time of a base station on which handover is to be performed and performs handover from a current base station to the base station on which handover is to be performed, and when the communication module performs handover, the multimedia module controls a playback time of the multimedia data on the basis of the backhaul delay time, and the backhaul delay time is precalculated by the wireless communication system.

Abstract: Technologies are generally described for detecting proximity of a client device to a base station in a wireless communication system. Example base station may include a proximity detector and an operation mode controller. The proximity detector may analyze a property of a signal transmitted by a client device to detect an envelope of the signal including a buzz-type waveform. If the envelope of the signal is determined to include a buzz-type waveform, the client device is determined to be within communication range of the base station. Further, the operation mode controller may convert a current operation mode of the base station to a particular operation mode that enables the base station to support communication by the client device. In some embodiments, the buzz-type waveform may be a waveform of an uplink control signal that is transmitted by the client device when it is not actively engaged in communication.

Abstract: A method performed under control of a receiver device may include receiving, from a sender device, connection information regarding a first apparatus that is connected to the sender device via a machine-to-machine network between the sender device and the receiver device; and connecting to the first apparatus based at least in part on the received connection information after the sender device is disconnected from the first apparatus.

Abstract: The present invention for a method for processing an audio signal comprises the steps of: receiving a channel signal; receiving an input of location information for a plurality of previously configured speakers; configuring the location of a target speaker from among the locations of member speakers; placing a virtual speaker at the location of a member speaker on the same layer as the target speaker on the basis of location information for the previously configured speakers; rendering a channel signal corresponding to the location of the target speaker on the basis of the placed virtual speaker; and down-mixing the rendered channel signal with the channel signal corresponding to the previously configured speaker, wherein the channel signal comprises the channel signal corresponding to a member speaker.

Abstract: The present invention relates to a method and device for encoding or decoding an object audio signal or rendering the object audio signal in a three-dimensional space. The method for processing an audio signal, according to one aspect of the present invention, comprises the steps of: generating a first object signal group and a second object signal group obtained by classifying a plurality of object signals according to a determined method; generating a first down-mix signal for the first object signal group; generating a second down-mix signal for the second object signal group; generating first object extraction information in correspondence with the first down-mix signal with respect to object signals included in the first object signal group; and generating second object extraction information in correspondence with the second down-mix signal with respect to object signals included in the second object signal group.

Abstract: Briefly stated, technologies are generally described for displaying a holographic image on a mobile device with a reference beam provided from a light source station. Example devices/systems described herein may use one or more of a mobile device and/or one or more light source stations. In various examples, the mobile device may include a holographic image display unit configured to receive a reference beam and display the holographic image responsive to the reference beam. The light source station may be configured to track a location of the holographic image display unit and provide a reference beam towards the holographic image display unit. The light source station may be further configured to exchange a control signal with the mobile device such that the holographic image display unit is operable to display the holographic image based on the control signal.

Abstract: Technologies are generally described that relate to differential writing for life extension of portions of non-volatile memory that have a likelihood of error that satisfies a defined condition. An example method may include determining that at least two components of a memory device satisfy a defined condition; writing to a first component of the at least two components with first data having a first representation. The method may also include writing to a second component of the at least two components with second data having a second representation different from the first representation, wherein the second data comprises at least a portion that is bit inverted relative to the first data.

Abstract: A wireless link configuration method of a station is provided. The wireless link configuration method may include: sequentially transmitting a beamforming signal to each of at least one sector, wherein the beamforming signal includes a sector ID for identifying a predetermined sector; and receiving, from an external station, a feedback signal corresponding to at least one of the transmitted beamforming signals, wherein the beamforming signal is transmitted on a first frequency band and the feedback signal is received on a second frequency band.

Abstract: An access configuration method between an access point and a station in accordance with an exemplary embodiment of the present disclosure includes: transmitting a communication configuration message to one or more stations by the access point; and performing access configuration by the access point according to an access request of the station. Herein, the communication configuration message includes information on an access priority requirement of each station.

Abstract: Technologies are generally described for a data synchronization scheme. In some examples, a method performed under control of a client device may include connecting to a server based at least in part on user account login information; receiving, from the server, a data file stored in connection with the user account; storing the received data file in a local data storage; receiving a request to logout the client device; determining that the client device is disconnected from the server and/or that the data file stored on the local data storage is not synchronized with the data file stored in connection with the user account; and encrypting the data file stored on the local data storage.

Abstract: A method for searching a wireless LAN by a mobile device is provided. The method may include receiving, by the mobile device, a setting parameter required to start searching for a wireless LAN access point from a base station; determining, by the mobile device, whether or not to start searching for the wireless LAN access point on the basis of the setting parameter; and starting, by the mobile device, searching for the wireless LAN access point if a condition for starting a search is satisfied.

Abstract: A method for searching a wireless LAN by a mobile device is provided. The method may include: searching a small cell base station; transferring information about the searched small cell base station to a macro base station; receiving search information of wireless LAN access points in a local area of the mobile device from the macro base station; and performing a search for a wireless LAN access point on the basis of the received search information of the wireless LAN access points.

Abstract: The present invention relates to a wireless communication method for clear channel assessment and a wireless communication terminal using the same, and more particularly, to a wireless communication method and a wireless communication terminal for performing efficient clear channel assessment based on BBS identifier information of non-legacy wireless LAN information. To this end, provided is a wireless communication method including: receiving a radio signal of a specific channel; measuring a signal strength of the received radio signal; and determining whether the specific channel is busy based on the measured signal strength and BSS identifier information of the radio signal.

Abstract: Technologies are generally described for identifying whether a propagation path between a mobile device and an access point is line-of-sight. In some examples, a method performed under control of a mobile device may include receiving, from an access point, a first signal transmitted at a first frequency band; receiving, from the access point, a second signal transmitted at a second frequency band; measuring a difference value between propagation properties of the first signal and the second signal; and identifying whether a propagation path between the mobile device and the access point is line-of-sight or non-line-of-sight based at least in part on the difference value.

Abstract: The present invention relates to an audio signal processing method, comprising the steps of: receiving a bit-stream containing a normal channel signal and an exceptional channel signal; decoding the normal channel signal and the exceptional channel signal from the received bit-stream; generating correlation information using the decoded normal channel signal and the decoded exceptional channel signal; generating a gain value by at least one of a first downmix method applying the same downmix gain value using the correlation information and a second downmix method applying variable gain values over time; and outputting the exceptional channel signal as a plurality of channel signals using the gain value.

Abstract: An audio signal processing method for sound image localization according to the present invention comprises the steps of: receiving a bit sequence including an object signal of an audio and object location information of the audio; decoding the object signal and the object location information using the received bit sequence; receiving past object location information, which is past object location information corresponding to the object location information, from a storage medium; generating an object moving path using the received past object location information and the decoded object location information; generating a variable gain value according to time using the generated object moving path; generating a corrected variable gain value using the generated variable gain value and a weighting function; and generating a channel signal from the decoded object signal using the corrected variable gain value.

Abstract: Technologies generally described herein relate to connection of a mobile device to a base station in a wireless communication system. Example mobile devices may include a receiver, a data communication module, a switch module, and a signal consolidator. The receiver may be configured to receive, from a base station through a cellular band, a first control signal including control information regarding the base station. The data communication module may be configured to communicate with the base station through a non-cellular band. The switch module may be coupled to the receiver and to the data communication module, and configured to determine that a power level of the first control signal is higher than a first threshold value and activate the data communication module in response to the determination. The data communication module may be further configured to receive a second control signal including the control information from the base station through the non-cellular band.

Abstract: Technologies are generally described for an audio playing scheme for digital billboard systems. In some examples, a method performed under control of a server may include receiving from an end device a control signal configured to indicate that the end device is located in a first predetermined area relative to a first digital billboard, identifying first video data currently displayed on the first digital billboard, determining first audio data corresponding to the first video data, and transmitting the first audio data to the end device based on the control signal.