CDMA/TDD radio communication system
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United States of America Patent
Stats
-
Oct 8, 2002
Grant Date -
N/A
app pub date -
Sep 17, 1998
filing date -
Jan 31, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In addition to a structure of a conventional CDMA/TDD radio communication system, a base station includes a pilot signal generating circuit for generating a pilot signal that has a constant transmission power level and is known in mobile units and a pilot channel spreading circuit for transmitting the pilot signal to the mobile units through a transmission line. Each of the mobile units includes a pilot signal reception level measuring circuit for measuring reception power of the received pilot signal and a transmission power control circuit for controlling transmission power of a power amplification circuit based on the measured reception power of the received pilot signal.
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