Apparatus and method for controlling uplink transmission power in a multiple element carrier wave system

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United States of America Patent

PATENT NO 11924773
APP PUB NO 20230209471A1
SERIAL NO

18120121

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Abstract

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The present invention relates to an apparatus and method for controlling uplink transmission power in a multiple element carrier wave system. The method for controlling uplink transmission power by a terminal in a multiple element carrier wave system includes the steps of: generating an uplink signal to be transmitted in a first serving cell; receiving, from a base station, random access start information for commanding the start of a random access procedure for a second serving cell; calculating the estimated surplus power from first transmission power scheduled for an uplink signal transmission, and second transmission power scheduled for a transmission of a PRACH to which a random access preamble is mapped; and when the estimated surplus power is smaller than a threshold power, adjusting the first transmission power or the second transmission power on the basis of power allocation priority.

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Patent Owner(s)

Patent OwnerAddress
PANTECH CORPORATION8 YANGJAECHEONRO-21 GIL SUITE 402 SEOCHO-GU SEOUL 06748

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ahn, Jae Hyun Seoul, KR 115 2853
Jung, Myung Cheul Seoul, KR 168 3841
Kwon, Ki Bum Seoul, KR 156 2967

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