Bluetooth fast connection mode for wireless peripheral device
AssigneeBroadcom Corporation
InventorRobert W. Hulvey
Life of this patent
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Abstract
A wireless interface device services communications between a wirelessly enabled host and at least one user input device. The wireless interface device includes a wireless interface unit, a processing unit, an input/output unit, and a power management unit. The wireless interface unit wirelessly interfaces with the wirelessly enabled host using a communication interface protocol. The power management unit operably couples to the wireless interface unit, the processing unit, and the input/output unit. The wireless interface unit supports paging operations in which the wireless interface device is able to receive a page during a wirelessly enabled host in a page scanning period that corresponds to a duration of the page hopping sequence of the host.
Claims33
A method for operating a wireless Human Interface Device (HID) to conserve battery life, the method comprising:
- establishing a wireless connection with a host device;
- receiving user input and wirelessly transmitting the user input to the host device;
- after a period of time during which no user input is received, entering a power down mode in which the connection with the host device is lost;
- after the connection with the host device has been lost, receiving user input;
- when the connection with the host device is lost, in attempting to reestablish a link with the host device, page scanning by:
- listening for pages from the host device on a first frequency of a page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence;
- listening for pages from the host device on a second frequency of the page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence;
- and
- receiving a page from the host device;
- responding to the page from the host device;
- and
- establishing a wireless connection with the host device.
A wireless interface device that services communications between a wirelessly enabled host and at least one user input device, the wireless interface device comprising:
- a wireless interface unit that wirelessly interfaces with the host;
- a processing unit operably coupled to the wireless interface unit;
- an input/output unit operably coupled to the wireless interface unit and to the processing unit, wherein the input/output unit also operably couples to the at least one user input device;
- and
- wherein the wireless interface unit supports paging operations in which the wireless interface unit:
- listens for pages from the host device on a first frequency of a page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence;
- listens for pages from the host device on a second frequency of the page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence;
- and
- receives a page from the host device;
- and
- responds to the page from the host device.
An integrated circuit that services communications between a wirelessly enabled host and at least one user input device, the wireless interface device comprising:
- a wireless interface unit that wirelessly interfaces with the host;
- a processing unit operably coupled to the wireless interface unit;
- an input/output unit operably coupled to the wireless interface unit and to the processing unit, wherein the input/output unit also operably couples to the at least one user input device;
- and
- wherein the wireless interface unit supports paging operations in which the wireless interface unit:
- listens for pages from the host device on a first frequency of a page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence;
- listens for pages from the host device on a second frequency of the page hopping sequence of the host device for a page scanning period that corresponds to a duration of the page hopping sequence;
- and
- receives a page from the host device;
- and
- responds to the page from the host device.
Dependencies are inferred from the claim text.