Method for determining forward link channel powers for a CDMA cellular or PCS system
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United States of America Patent
Stats
-
Apr 23, 2002
Grant Date -
N/A
app pub date -
Sep 22, 1998
filing date -
Sep 22, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method for determining the amounts of channel powers in the orthogonally multiplexed forward link of a CDMA cellular telephone or PCS system required to provide sufficiently high signal levels for these channels at the location of a mobile telephone receiver at or near the edge of the cell. The method first formulates the power requirements for the several types of forward link channels as a system of equations in the with the powers as variables, parametric in several parameters, including the number of active traffic channels, that vary with time. The method then proceeds to solve the system of equations to determine time varying powers of the pilot, synchronization, and paging channels; it also determines a value of the required power for a traffic channel that is useful for initializing the existing closed loop forward traffic channel power control of the system.
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