The present invention provides a wireless communication method of a wireless device, wherein the wireless communication method comprises: dynamically controlling/adjusting channels used by the first wireless module by increasing or decreasing a guard band between communications of the first wireless module and the second wireless module.

A frequency generator is disclosed. The frequency generator is for generating an oscillator clock according to a reference clock, and the frequency generator is used in a frequency hopping system that switches a carrier frequency among a plurality of channels, and the carrier frequency further carries a modulation frequency for data transmission. The frequency generator includes: a frequency hopping and modulation control unit arranged for generating a current channel according to a channel hopping sequence and a frequency command word (FCW) based on the reference clock, wherein the modulation frequency is higher than a frequency of the reference clock; a reference phase generating unit arranged for generating a reference phase according to the reference clock, the modulation clock, the first FCW, the second FCW, and the third FCW; a digital-controlled oscillator (DCO) arranged for to generating the oscillator clock according to the reference phase. An associated method is also disclosed.

Among other things, this document describes a computer-implemented method. The method can include receiving, at a first device, an indication of user input to cause the first device to establish a wireless data connection with another device. A determination can be made at the first device that one or more sensors on the first device are oriented toward a second device. In response to at least one of (i) receiving the indication of user input to cause the first device to establish a wireless data connection with another device and (ii) determining that the one or more sensors on the first device are oriented toward the second device, a first wireless data connection can be established between the first device and the second device. A first stream of audio data can be received and played at the first device.

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.

An implantable medical device, external device and method for managing a wireless communication are provided. The IMD includes a transceiver configured to communicate wirelessly, with an external device (ED), utilizing a protocol that utilizes multiple physical layers. The transceiver is configured to transmit information indicating that the transceiver is configured with first, second, and third physical layers (PHYs) for wireless communication. The IMD includes memory configured to store program instructions. The IMD includes one or more processors configured to execute instructions to obtain an instruction designating one of the first, second and third PHY to be utilized for at least one of transmission or reception, during a communication session, with the external device and manage the transceiver to utilize, during the communication session, the one of the first, second and third PHY as designated.

A card reader may include a wireless user interface; a host connecting interface structured to connect with the host device of the system; and a wireless communication interface structured to connect with the mobile terminal. The wireless user interface may be structured to communicate with the host device through the host connecting interface and with the mobile terminal through the wireless communication interface.

A system embodiment includes a first device and a second device configured to communicate over a selected wireless communication channel selected from a band of channels or over a selected set of channels used in an adaptive frequency hopping scheme. The first device is configured to transmit a probe signal that has a plurality of frequencies contained within the band of channels, and the second device is configured to determine a signal strength of the probe signal for each of a plurality of potential communication channels within the band of channels. The first and second devices configured to switch to another wireless communication channel based at least in part on the signal strength of the probe signal for each of a plurality of potential wireless communication channels.

This disclosure describes a system (100, 130) for a USB to Bluetooth audio bridging method and apparatus. The system includes a host device (102) having a first universal serial bus (USB) interface (107) and a second USB interface (110); an adaptor (108) in connection with the first USB interface (107) which is compatible to operate based on a Bluetooth-type communication protocol; a peripheral device (106) coupled to the second USB interface (110); and a mobile communication device (104) linked to the host device (102) via the adaptor (108). The mobile communication device (104) communicates an audio data signal to the adaptor (108) and an audio bridging device (116). The audio bridging device (116) maps the second USB interface (110) to the adaptor (108) and routes audio data signals alone or in combination with another audio data signals to the peripheral device (106) via the second USB interface (110).

An electronic device that communicates with a second electronic device using adaptive frequency hopping across different spectral bands is described. An integrated circuit in the electronic device includes processing logic that determines an adaptive spectral map that specifies channels across multiple spectral bands. During communication with a second electronic device that includes a second integrated circuit using a communication protocol (such as Bluetooth or Bluetooth Low Energy), the integrated circuit selects channels in the adaptive spectral map, where selection can be based on a predefined frequency-hopping sequence.

Methods and apparatus are provided. In an example aspect, a method in a first wireless communication device of transmitting data is provided. The method includes determining that each of a plurality of frequency ranges is free for a transmission by the first wireless communication device, selecting one or more of the frequency ranges, and transmitting the data using one or more frequency ranges other than the selected one or more frequency ranges.