DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Chun, Joo-Hwan | - |
dc.contributor.advisor | 전주환 | - |
dc.contributor.author | Jwa, Hye-Kyung | - |
dc.contributor.author | 좌혜경 | - |
dc.date.accessioned | 2011-12-14T01:48:08Z | - |
dc.date.available | 2011-12-14T01:48:08Z | - |
dc.date.issued | 2001 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=165840&flag=dissertation | - |
dc.identifier.uri | http://hdl.handle.net/10203/37438 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 전기및전자공학전공, 2001.2, [ i, 55 p. ] | - |
dc.description.abstract | In this thesis, we propose a new robust adaptive beamforming algorithm applicable to an on-frequency repeater system with antenna array. In the on-frequency repeater system, the back-lobe interference cancellation and system performance degradation caused by array error are the most important problems. The proposed beamforming algorithm makes generalized sidelobe canceller be robust. This method is to project the weight vector into interference subspace in order to solve the above problems. This interference projection matrix prevents the desired signal cancellation caused by array error. It can be obtained from the eigenvectors of the estimated covariance matrix constructed from the blocking matrix output and is updated whenever the covariance matrix and weight vector is updated. We employ singular-value decomposition and the row vectors of covariance matrix as the method to find eigenvectors, and then we compare the performance each other. Also, we propose the scheme of the proposed adaptive beamforming algorithm with expanded array output, and compare the performance of it with it of proposed adaptive beamforming algorithm with array output only. | eng |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | projection | - |
dc.subject | Robust adaptive beamforming | - |
dc.subject | GSC(generalized sidelobe canceller) | - |
dc.subject | 중계기 | - |
dc.subject | 간섭 신호 공간 | - |
dc.subject | 강인한 적응 빔 형성 알고리듬 | - |
dc.subject | repeater | - |
dc.title | Robust adaptive beamforming based on interference subspace projection in GSC | - |
dc.title.alternative | GSC에서 간섭 신호 공간으로의 사영을 통한 강인한 적응 빔 형성 알고리듬 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 165840/325007 | - |
dc.description.department | 한국과학기술원 : 전기및전자공학전공, | - |
dc.identifier.uid | 000993538 | - |
dc.contributor.localauthor | Chun, Joo-Hwan | - |
dc.contributor.localauthor | 전주환 | - |
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