RADIO BASE STATION APPARATUS, AND TRANSMISSION POWER DETERMINATION METHOD
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United States of America Patent
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Issued Date -
Jul 14, 2016
app pub date -
Aug 20, 2014
filing date -
Aug 27, 2013
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Abstract
A radio base station apparatus including a function for determining a transmission power, including: a neighbor cell detection unit configured to detect a neighbor cell that interferes with a target cell that the radio base station apparatus can form; a received power measurement unit configured to measure a received power from the neighbor cell; an interference wave arrival direction estimation unit configured to estimate an arrival direction of interference wave from the neighbor cell; and a transmission power determination unit configured to weight the received power based on the arrival direction of the interference wave and a desired area direction, to determine an interference amount in the target cell based on a sum of weighted received powers, and to determine a transmission power using the interference amount.
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