Physical layer improvements for short range wireless communications
AssigneeGoogle Inc.
InventorsSunil Kumar, Victor Yeh
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Abstract
Various arrangements are presented that provide improvements of short-range wireless communications, such as Bluetooth LE Audio communication. An audio source device may determine that unidirectional audio is to be output. In response to determining that unidirectional audio is to be output, a first physical layer (PHY) configuration can be set for a first communication link in the downlink direction from the audio source device to the audio output device. A second PHY configuration can be set for the communication link in the uplink direction from the audio output device to the audio source device. The first PHY configuration has a greater symbol rate than the second PHY configuration.
Claims20
A method for improving wireless audio communication, the method comprising:
- determining, by an audio source device, that unidirectional audio is to be output, wherein:
- the unidirectional audio involves audio data being transmitted from the audio source device to an audio output device but no audio data being transmitted from the audio output device to the audio source device;
- and
- in response to determining that unidirectional audio is to be output, setting a first physical layer (PHY) configuration for a downlink direction of a first communication link from the audio source device to the audio output device and a second PHY configuration for an uplink direction of the first communication link from the audio output device to the audio source device, wherein:
- the first PHY configuration has a greater symbol rate than the second PHY configuration.
A system for improving wireless audio communication, the system comprising:
- an audio source device, comprising:
- a wireless communication interface;
- and
- a processing system comprising one or more processors, wherein the audio source device is configured to:
- determine that unidirectional audio is to be output, wherein:
- the unidirectional audio involves audio data being transmitted from the audio source device to an audio output device but no audio data being transmitted from the audio output device to the audio source device;
- and
- in response to determining that unidirectional audio is to be output, set a first physical layer (PHY) configuration for a downlink direction of a first communication link from the audio source device to the audio output device and a second PHY configuration for an uplink direction of the first communication link from the audio output device to the audio source device, wherein:
- the first PHY configuration has a greater symbol rate than the second PHY configuration.
A non-transitory processor-readable medium, comprising processor- readable instructions configured to cause one or more processors of an audio source device to:
- determine that unidirectional audio is to be output, wherein:
- the unidirectional audio involves audio data being transmitted from the audio source device to an audio output device but no audio data being transmitted from the audio output device to the audio source device;
- and
- in response to determining that unidirectional audio is to be output, set a first physical layer (PHY) configuration for a downlink direction of a first communication link from the audio source device to the audio output device and a second PHY configuration for an uplink direction of the first communication link from the audio output device to the audio source device, wherein:
- the first PHY configuration has a greater symbol rate than the second PHY configuration.
Dependencies are inferred from the claim text.