Invention Grant
US07957336B2 System and method for clock distribution and synchronization and radio location
有权
时钟分配和同步和无线电位置的系统和方法
- Patent Title: System and method for clock distribution and synchronization and radio location
- Patent Title (中): 时钟分配和同步和无线电位置的系统和方法
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Application No.: US12348592Application Date: 2009-01-05
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Publication No.: US07957336B2Publication Date: 2011-06-07
- Inventor: James A. Amos , Clark Carty
- Applicant: James A. Amos , Clark Carty
- Applicant Address: US CA San Jose
- Assignee: Cisco Technology, Inc.
- Current Assignee: Cisco Technology, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Tucker Ellis & West LLP
- Main IPC: H04B7/212
- IPC: H04B7/212

Abstract:
A system for locating a client in a wireless network. The system includes at least three access points. Each access point is adapted to wirelessly communicate with a client having a location using packeted data, be placed in wired data communication within a selected data network; and to share a common precise time reference using the selected data network. The system further includes a switch adapted to translate the relative position of the access points based on a shared common precise time reference and to calculate the location of the client based on a transmission from the client.
Public/Granted literature
- US20090109956A1 SYSTEM AND METHOD FOR CLOCK DISTRIBUTION AND SYNCHRONIZATION AND RADIO LOCATION Public/Granted day:2009-04-30
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