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Average Internal Loop-back Antenna Calibration Method for Array Antenna Systems  

Lee, Il-Shin (인하대학교 전자공학과)
Kim, Hyun-Su (인하대학교 전자공학과)
Lee, Hong-Won (인하대학교 전자공학과)
Chung, Jae-Hak (인하대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.2A, 2009 , pp. 139-146 More about this Journal
Abstract
This paper presents an average internal loop-back antenna calibration method for array antenna in TDD(Time Division Duplex) systems. The proposed method calibrates the amplitude and the phase of RF systems using into mal coupler and switches without aids of external calibration systems. The average calibration scheme of the proposed method also increases reliability of calibration performance. Computer simulation demonstrates that the proposed method corrects beamforming angles of DOA estimation algorithm and BER performance in transmit power allocation scheme.
Keywords
Antenna Calibration; Array Antenna; Internal Coupler; DOA Estimation; TPA;
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Times Cited By KSCI : 1  (Citation Analysis)
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