Title:
MOBILE STATION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING ACCESS SYSTEM AND TRANSMIT POWER CONTROL METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO2006065020
Kind Code:
A3
Abstract:
The present invention relates to a mobile station of an OFDMA sytem and a transmit power control method thereof. The mobile station includes a modulator (210), a variable gain amplifier (240), a gain controller (220), and a power controller. The modulator (210) modulates transmit data according ot the number of allocated subchannels, and the variable gain amplifier (240) amplifies the transmit data. The gain controller (220) controls a gain of the transmit data inputted to the varibla gain amplifier (240) according to a subchannel gain value corresponding to the number of subchannels. The power controller calculates a power control gain for controlling power of the transmit data except the subchannel gain value based on the signal received from the base station and outputs the power control gain the variable gain amplifier (240).
More Like This:
Inventors:
KIM DAE-HO (KR)
PARK YOUN-OK (KR)
PARK YOUN-OK (KR)
Application Number:
PCT/KR2005/002972
Publication Date:
November 02, 2006
Filing Date:
September 08, 2005
Export Citation:
Assignee:
KOREA ELECTRONICS TELECOMM (KR)
SAMSUNG ELECTRONICS CO LTD (KR)
KT CORP (KR)
SK TELECOM CO LTD (KR)
KT FREETEL CO LTD (KR)
HANARO TELECOM INC (KR)
KIM DAE-HO (KR)
PARK YOUN-OK (KR)
SAMSUNG ELECTRONICS CO LTD (KR)
KT CORP (KR)
SK TELECOM CO LTD (KR)
KT FREETEL CO LTD (KR)
HANARO TELECOM INC (KR)
KIM DAE-HO (KR)
PARK YOUN-OK (KR)
International Classes:
H04B7/26; H04J11/00; H04W52/08; H04W52/10
Foreign References:
| US6795426B1 | 2004-09-21 | |||
| US6690944B1 | 2004-02-10 | |||
| US6654358B1 | 2003-11-25 | |||
| US20020145968A1 | 2002-10-10 | |||
| US20010010684A1 | 2001-08-02 |
Other References:
See also references of EP 1825694A4
Download PDF: