• Patent Title: Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system
  • Application No.: US09755245
    Application Date: 2001-01-05
  • Publication No.: US07085239B2
    Publication Date: 2006-08-01
  • Inventor: Fuyun LingTao Chen
  • Applicant: Fuyun LingTao 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
Method and apparatus for determining the forward link closed loop power control set point in a wireless packet data communication system
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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