Abstract:
The present invention relates to a method and device for setting the role of a device in a Bluetooth mesh network. According to the present invention, a method and device are provided which: receive a write request message including settings information for setting the role of a first device from a control device; transmit a response message as a response to the write request; transmit an advertising message including role information set by the settings information to a second device; and transmit a first message including first information on the first device to the second device.
Abstract:
The present invention relates to a method and an apparatus for connecting a first device to a second device using Bluetooth low energy (LE). According to the present invention, provided are a method and an apparatus which receive, from the second device, a first advertising message comprising first interval information indicative of the transmission interval of the advertising message; adjust the size of a scan window for searching for peripheral devices on the basis of the first advertising message; receive a second advertising message from the second device or an external device via the scan window; and establish a Bluetooth LE connection with the second device if the transmission interval indicated by the interval information is the same as the interval at which the first advertising message and the second advertising message are transmitted.
Abstract:
The present invention is related to a method and an apparatus for avoiding collision in a Bluetooth reconnection procedure. A method and an apparatus according to the present invention comprises measuring energy level of a received signal transmitted through a first channel; changing the first channel to the second channel when the energy level is larger than a predetermined threshold value; transmitting a trigger packet to a second device through the second channel; receiving a beacon packet through the second channel from the second device; and establishing a connection with the second device, wherein the first device stores information related to Bluetooth connection with the second device.
Abstract:
The present invention is related to a method and an apparatus for transmitting and receiving data by using Bluetooth LE. A method and an apparatus according to the present invention comprises transmitting a first request message for requesting data to a second device; receiving a first response message including data in response to the first request message; if size of the data is equal to the maximum data transmission size, transmitting a second request message for transmitting additional data; and receiving a second response message including the additional data in response to the second request message, wherein the first request message or the second request message includes at least one of ID information, index information, or index range information of the data; and the first response message or the second response message includes at least one of length information or ID information.
Abstract:
The present invention relates to Bluetooth connection methods and apparatuses. An embodiment of the present invention provides a Bluetooth connection method, including transmitting, by a Bluetooth LE module, a packet to request device information, receiving a packet related to the device information from at least one connectable Bluetooth LE module, and discovering the at least one connectable Bluetooth LE module; transmitting, by the Bluetooth LE module, a packet indicative of connection with the discovered at least one connectable Bluetooth LE module and connecting the discovered at least one connectable Bluetooth LE module; and transmitting data to the discovered at least one connectable Bluetooth LE module or at least one Bluetooth BR/EDR module corresponding to the discovered at least one connectable Bluetooth LE module.
Abstract:
The present invention relates to a method and device for performing a Bluetooth reconnection procedure. In accordance with embodiments of the present invention, there are provided a method and device, including sending a first message notifying a second device of the activation of a first device to the second device through a specific channel, receiving a beacon message through the specific channel from the second device as a response to the first message, sending a request message requesting a connection with the second device using Bluetooth to the second device through the specific channel, and receiving a confirm message through the specific channel from the second device as a response to the request message. The first device stores information related to the Bluetooth connection with the second device.
Abstract:
The present specification relates to: a wireless power receiving device, which can receive information about a power class on the basis of out-band communications at a short distance before the wireless power receiving device is positioned at the charging position of a wireless power transmitting device, and negotiate power class; the wireless power transmitting device; a wireless power transmitting method; a wireless power receiving method; and a wireless power transmitting system. According to the present specification, whether power of the wireless power transmitting device (or a charger) is suitable for the wireless power receiving device (or a device to be charged) is quickly identified remotely or at a short distance prior to a wireless power transmission (or wireless charging), appropriate charging power is set through negotiation, and then wireless charging can be safely performed.
Abstract:
According to one aspect of the present invention, a wireless power reception device includes: a power pickup circuit configured to form a magnetic coupling with a wireless power transmission device to receive wireless power from the wireless power transmission device; and a communication/control circuit configured to perform transmission control for the wireless power and at least one of data transmission and reception on the basis of communication with the wireless power transmission device, wherein the communication/control circuit can initiate a process for generating an authenticated link for charging by accepting only a connection request received within a prescribed authentication accept period.
Abstract:
According to one embodiment of the present specification, a method for performing authentication between an authentication initiator and an authentication responder in a wireless power transmission system comprises the steps in which: the authentication initiator transmits an initiator certificate chain and an initiator signature to the authentication responder; the authentication initiator receives a responder certificate chain and a responder signature from the authentication responder who has authenticated the authentication initiator by verifying the initiator signature information; and the authentication initiator verifies the responder signature to authenticate the authentication responder.
Abstract:
The present invention relates to a near field communication method and device in a wireless power transmission system. A wireless power receiving device comprises: a power pick-up circuit configured to receive wireless power from a wireless power transmitting device having a primary coil by magnetic coupling to the wireless power transmitting device at an operating frequency and convert an alternating current signal generated from the wireless power into a direct current signal; a communication circuit configured to perform in-band communication with the wireless power transmitting device by using the operating frequency and perform out-band communication with the wireless power transmitting device or another device by using a frequency other than the operating frequency; and a control circuit configured to control an overall operation of the wireless power receiving device, wherein a first connection parameter for out-band communication between the wireless power transmitting device and the wireless power receiving device can be set equal to a second connection parameter for out-band communication between the wireless power transmitting device and another wireless power receiving device.