发明申请
- 专利标题: Smart scan for bluetooth pan devices
- 专利标题(中): 智能扫描蓝牙平板设备
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申请号: US10724843申请日: 2003-12-01
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公开(公告)号: US20050120119A1公开(公告)日: 2005-06-02
- 发明人: Vivek Bhanu , Siamak Poursabahian , Edwin Hernandez-Mondragon , John Archer , Lambert Green
- 申请人: Vivek Bhanu , Siamak Poursabahian , Edwin Hernandez-Mondragon , John Archer , Lambert Green
- 申请人地址: US WA Redmond
- 专利权人: Microsoft Corporation
- 当前专利权人: Microsoft Corporation
- 当前专利权人地址: US WA Redmond
- 主分类号: H04L12/28
- IPC分类号: H04L12/28 ; H04L12/56 ; H04W8/00 ; H04W48/16 ; H04W76/02 ; H04W84/10 ; H04W84/18 ; G06F15/16
摘要:
A system and method for discovering and connecting to a preferred remote Bluetooth device by a local Bluetooth device. An inquiry scan cache and a page scan cache are maintained. The inquiry scan cache is updated by way of a periodic inquiry scan. The page scan cache is refreshed by way of an attempt to connect to the preferred remote Bluetooth device. Periodically, and more frequently than the periodic inquiry scan, a list of available remote Bluetooth devices is formed from entries in the inquiry scan cache concatenated with each entry in the page scan cache for which a page scan is successful. In one embodiment, the page scan cache holds a finite number of entries, and an expiration policy is applied to each added entry. In another embodiment, the inquiry scan cache is also updated when a remote Bluetooth device attempts to connect to the local Bluetooth device.
公开/授权文献
- US08024487B2 Smart scan for wireless devices 公开/授权日:2011-09-20
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