A method for operating a plurality of ultra-wide band (UWB) channels by a first electronic device is provided. The method includes receiving a Bluetooth low energy (BLE) advertisement message including information about an UWB channel, from a second electronic device, identifying whether a plurality of UWB channels are operated, based on the information about the UWB channel, and identifying a UWB channel to be used for communication with the second electronic device, based on the information about the UWB channel. The information about the UWB channel may include flag information indicating an area and channel information indicating a UWB channel for the indicated area.

A user equipment (UE) tunes a transceiver of the UE to a first frequency associated with a first channel, transmits a first short packet to a second UE on the first channel and determines whether a first indication was received from the second UE in response to the first short packet. The first indication indicates that the first channel satisfies one or more predetermined criteria. The UE transmits then the primary data to the second UE on the first channel in response to the first indication being received from the second UE.

A multi-transmitting multi-receiving magnetic-resonance wireless charging system for a medium-power electronic apparatus includes a magnetic-resonance transmitting module and a magnetic-resonance receiving module. The magnetic-resonance transmitting module includes a transmitting-end Bluetooth-communication and control module and at least two magnetic-resonance transmitting channels. Each magnetic-resonance transmitting channel includes a direct current/direct current (DC/DC) regulator module, a radio-frequency power amplifier source, a matching network and a magnetic-resonance transmitting antenna which are connected sequentially. The magnetic-resonance receiving module includes a receiving-end Bluetooth-communication and control module, a power synthesis and protocol module and at least two magnetic-resonance receiving channels. Each magnetic-resonance receiving channel includes a magnetic-resonance receiving antenna, a receiving-antenna matching network, a rectifier and filter module, a primary regulator and filter module and a secondary regulator and filter module which are connected sequentially. The magnetic-resonance transmitting antenna is coupled with the magnetic-resonance receiving antenna in one-to-one correspondence.

Methods and apparatuses for carrier selection are described. In one example, a method of carrier selection for a frequency-hopping wireless communication device includes using a fixed set of available carriers to hop over during communications. The method includes allocating a subset of the available carriers to a long-range carrier class. In one example, the subset of available carriers consists of at least two carrier clusters spaced widely in the frequency spectrum. The method further includes monitoring a transmit power level in the wireless communication device. The method further includes using the long-range carrier class to hop over during communications if the wireless communication device transmit power is greater than a predetermined level.

The present invention relates to the technical field of Wireless Bluetooth, and in particular to a rapid Bluetooth networking method and system, and Bluetooth earphones. The rapid Bluetooth networking method is applied to a Bluetooth communication system, the Bluetooth communication system includes Bluetooth earphones and a terminal, and the Bluetooth earphones include a master earphone and a slave earphone. The rapid Bluetooth networking method includes: when the master earphone is started and in an idle state, carrying out frequency hopping to a preset channel; carrying out, by the master earphone, carrier detection on a preset channel to detect whether the preset channel is idle, and if yes, transmitting an identifier (ID) packet to the slave earphone, an initial frequency of the slave earphone being the preset channel; and automatically entering, under the condition that the slave earphone is started and receives the ID packet, a subsequent process that Slave receives the ID packet transmitted by Master in a Page process, the slave earphone being the Slave, and the master earphone being the Master. According to the present solution, a Bluetooth connection between the master earphone and the slave earphone can be quickly completed, and moreover, a Bluetooth connection between the master earphone and the terminal is not affected.

A master-slave system for communication over an ultra-wideband radio connection is proposed. The master-slave system comprises at least one slave device and one master device, wherein the slave device and the master device are configured to communicate over the ultra-wideband radio connection. The master device is configured to generate and transmit a request message to the slave device over a first channel of the ultra-wideband radio connection. The slave device is configured to receive the request message over the first channel of the ultra-wideband radio connection, generate at least one response message based on the request message, and transmit the at least one response message to the master device over the first channel of the ultra-wideband radio connection, and the master device is configured to receive the at least one response message. Further, the master device is configured to classify the first channel of the ultra-wideband radio connection as suitable or unsuitable for data transmission based on the at least one received response message and to transmit further messages on the first channel of the ultra-wideband radio connection or to change to another channel of the ultra-wideband radio connection based on the classification.

A BLUETOOTH reconnection method is used in a BLUETOOTH connection system that includes a first device and a second device. The method includes that the first device sends a BLUETOOTH Low Energy (BLE) advertising signal to the second device after a BLUETOOTH connection between the first device and the second device is disconnected. If the second device determines that the received BLE advertising signal is a first BLE advertising signal, the second device does not page the first device, and waits to receive a page packet sent by the first device. If the second device determines that the received BLE advertising signal is a second BLE advertising signal, the second device actively pages the first device, and the first device waits to receive a page packet sent by the second device.

A contact and ranging system includes a first device that includes a first transceiver, a second transceiver, and a controller to control the first transceiver and the second transceiver of the first device. The first device is operable to determine a distance between the first device and a second device. The first transceiver is configured to perform a discovery operation. Other devices are discovered and added to a list of paired devices. A ranging schedule for each paired device in the list of paired devices is determined. The second transceiver is configured to perform a ranging operation. The ranging and response transmissions are transmitted and received by a pair of devices, such that a range between the pair of devices is determined based upon a time of flight between the pair of devices. The range between the pair of devices is matched with a timestamp and stored in a database.

According to one embodiment, the invention relates to a method comprising: transmitting (410), by an apparatus, a message to detect one or more wireless communication devices; receiving (420), in response to the transmitted message, at least one response message comprising at least identification information regarding a wireless communication device; determining (430) that the apparatus has data suitable for transmitting to the wireless communication device without establishing a formal communication connection with the wireless communication device; and transmitting (440) one or more subsequent messages to the wireless communication device in response to the received response message, wherein the one or more subsequent messages comprise at least the data suitable for transmitting to the wireless communication device without establishing a formal communication connection.

Logic may transmit or receive communications that hop frequencies in response to trigger events across a large bandwidth. Logic may generate a communication with a contiguous or non-contiguous bandwidth based upon frequency segments of 80 MegaHertz (MHz) and/or 160 MHz. Logic may generate a communication with a contiguous bandwidth of 480 MHz. Logic may generate a communication with a non-contiguous bandwidth of 480 MHz. Logic may transmit or receive communications with a 480 MHz bandwidth that hop across a 3 GigaHertz (GHz) bandwidth of frequency channels. Logic may determine a channel-hopping pattern. Logic may hop frequency channels after each link transmission. Logic may hop channels after a fixed time interval. And logic may hop frequency channels in response to another triggering event.