Abstract:
Provided are a method for transmitting and receiving data in a short-range wireless communication system, and a device therefor. More particularly, the method comprises the steps of: establishing a connection associated with a first channel for transmitting and receiving first data to and from a second device; establishing a connection associated with a second channel for transmitting and receiving second data, which is different from the first data, to and from the second device; transmitting and receiving, to and from the second device, the first data on the first channel on the basis of a first time interval for transmitting and receiving the first data on the first channel; and transmitting and receiving, to and from the second device, the second data on the second channel on the basis of a second time interval for transmitting and receiving the second data on the second channel, wherein the data transmission and reception on the first channel and the data transmission and reception on the second channel are performed on the basis of the transmission and reception timing of the first data at the first time interval and the transmission and reception timing of the second data at the second time interval.
Abstract:
A method according to the present disclosure comprises determining a first synchronization value associated with a point in time at which reception of the audio data of each of a first device and a second device is completed; determining a second synchronization value for synchronizing points in time at which the audio data is output from the first device and the second device; determining a first synchronization reference time point based on the first synchronization value and the second synchronization value; performing a specific operation associated with transmitting the audio data; and transmitting, to each of the first device and the second device, the audio data on a specific channel associated with transmitting the audio data, wherein the audio data is transmitted based on the first synchronization reference time point and a second synchronization reference time point determined based on a specific time value for the specific operation.
Abstract:
In the present disclosure, a method comprising: receiving a first advertisement message for measuring a declination angle between devices; measuring each declination angle between a reference point set in the control device and positions of at least one device based on the first advertisement message, wherein the positions of the at least one device are respectively adjusted such that each declination angle satisfies a specific angle for receiving a voice signal, based on the measured respective declination angles; receiving each of a first voice signals based on the respective adjusted positions from the at least one device; and measuring a volume of the received first voice signal, respectively, wherein based on the measured volume, an audio signal output angle of the at least one device is adjusted such that an audio signal received by the control device is incident at right angles to the control device.
Abstract:
Provided in the present specification is a method by which a user device performs a handover in a wireless communication system. Particularly, the method by which a user device performs a handover comprises the steps of: connecting by Bluetooth with a first target device on the basis of first authentication information; measuring a first link state between the user device and the first target device; measuring a second link state between the user device and the second target device; determining whether to perform a handover for the second target device on the basis of the first link state and the second link state; and performing a Bluetooth connection procedure with the second target device when performance of the handover for the second target device is determined, wherein second authentication information for the Bluetooth connection procedure with the second target device is the same as the first authentication information for the Bluetooth connection with the first target device.
Abstract:
A data transmission and reception method for a sink device which is connected to a plurality of source devices by means of a high definition multimedia interface (HDMI), according to an embodiment of the present invention, comprises the steps of: receiving an allocation of an internet protocol (IP) address; transmitting device information about a sink device to a control point through a network; and transmitting service information about a supportable service by the sink device to the control point through the network.
Abstract:
Disclosed is a method of a first device being controlled by a control device in a group including the first device and a plurality of devices in a Bluetooth mesh network and a device performing the method. The method includes joining the Bluetooth mesh network, receiving a control message instructing the execution of a specific operation from the control device, and performing the specific operation based on the control message. The specific operation may be sequentially performed by the first device and the plurality of devices.
Abstract:
A method for processing data by a source device which transmits an object-based audio (OBA) using a high definition media interface (HDMI), includes when a sink device is connected, requesting the sink device to read an enhanced extended display identification data (E-EDID), receiving an E-EDID including OBA-processing information of the sink device from the sink device, the OBA processing information including at least one of capability information indicating capability of processing the OBA and property information required for processing the OBA, and determining whether the sink device is capable of processing the OBA based on the OBA processing information.
Abstract:
Embodiments of the present invention relate to methods and devices for forming a communication link using Bluetooth. An embodiment of the present invention provides a method and device, including sending a first message for Bluetooth pairing to a second device, receiving a second message for the Bluetooth pairing from the second device based on the first message, and forming the communication link based on the received message. The first message comprises an identifier (ID) of the first device, and the second message comprises information related to the communication link.
Abstract:
A method for transmitting and receiving data in a wireless communication system, performed by a first device, includes transmitting a first message including device connection information to at least one second device via a first network, receiving a response with respect to the first message from the at least one second device via the first network, transmitting a connection request message for requesting wireless connection of a second network to the at least one second device via the first network on the basis of the response, the connection request message including information regarding connection of a network indicating the second network, receiving a connection response message corresponding to a response with respect to the connection request message from the at least one second device via the first network, and transmitting and receiving data to and from a second device via the second network.
Abstract:
A wireless communication system plays multimedia content using Bluetooth communication. The wireless communication system includes receiving a request message related to allowing streaming of second multimedia content of a second source device from the sink device by a first source device streaming first multimedia content; determining whether to allow streaming of the second multimedia content of the second source device; transmitting a response message including a determination result for whether to allow streaming of the second multimedia content to the sink device in response to the request message; transmitting a message for stopping streaming of the second multimedia content to the sink device, when the first source device allows streaming of the second multimedia content; and receiving a streaming stop response message from the sink device responsive to the streaming stop message. The request message includes one of a name, MAC address, and ID of the second source device.