Invention Grant
- Patent Title: Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system
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Application No.: US09755245Application Date: 2001-01-05
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Publication No.: US07085239B2Publication Date: 2006-08-01
- Inventor: Fuyun Ling , Tao Chen
- Applicant: Fuyun Ling , Tao Chen
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM, Incorporated
- Current Assignee: QUALCOMM, Incorporated
- Current Assignee Address: US CA San Diego
- Agent Philip R. Wadsworth; Thien N. Nguyen; Roberta A. Young
- Main IPC: G01R31/08
- IPC: G01R31/08 ; H04B7/216

Abstract:
A novel and improved method and apparatus for performing closed loop forward link power control using a selected dedicated and power controlled forward link signal is described. A “Selected Signal Bit Error Rate” (SSBER) is estimated, where each selected signal “bit” consists of a number selected signal chips distributed over a frame. In addition, the method estimates the normalized variance of the signal energy (or C/I) for each packet. The average number of fingers in lock is also used to determine the power control set point.
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