Base station apparatus, mobile communication system, and method of controlling transmission power
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 21, 2004
Grant Date -
Sep 6, 2001
app pub date -
Nov 30, 2000
filing date -
Mar 3, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A base station apparatus, a mobile radio system, and a transmission power control method that can perform transmission power control having the high interference suppressing effect with a smaller processing delay are provided. The base station apparatus comprises: a measurement part for measuring SIRs of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a former stage in an interference suppressing receiving part of the radio base station apparatus, and of a received signal subjected to interference suppression by an interference suppressing receiving circuit in a later stage; a calculation part for calculating a correction SIR based on the obtained SIRs, and for estimating a transmission power control SIR from a current first stage SIR and a past correction SIR; and a signal generator for generating a transmission power control signal by comparing the transmission power control SIR and a target SIR. Control of transmission power of a mobile station is performed by transmitting this transmission power control signal to the mobile station.
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