(A) hybrid detection technique for multiple input multiple output systems in fading environment = 감쇄 환경에서 여러 입력 여러 출력 시스템에 알맞은 혼합 검파 방식

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Multiple input multiple output (MIMO) architecture is known to provide high spectral efficiencies. The maximum likelihood (ML) detector can provide the best performance for MIMO systems in terms of the block error rate (BLER). The complexity of the ML detector, however, increases exponentially with the numbers of transmit antennas and signals in the constellation. The zero forcing (ZF) detector has been suggested as a reduced-complexity detection method at the cost of performance degradation. In order to improve the performance of the ZF detector while reducing the complexity of the ML detector, we propose and investigate the performance of a novel multistage decision method. The proposed scheme is shown to be effective especially at high signal to noise (SNR). Numerical results show that, despite the proposed detector has a lower complexity than the ML detector, the performance difference between the ML and proposed detectors is negligibly small at high SNR.
Advisors
Song, Iick-Horesearcher송익호researcher
Description
한국과학기술원 : 전기및전자공학전공,
Publisher
한국과학기술원
Issue Date
2005
Identifier
249610/325007  / 020043334
Language
eng
Description

학위논문(석사) - 한국과학기술원 : 전기및전자공학전공, 2005.8, [ v, 46 p. ]

Keywords

MIMO; v-blast; detection; fading; 감쇄; 여러 입력 여러 출력 시스템; 브이-블라스트; 검파

URI
http://hdl.handle.net/10203/37930
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=249610&flag=dissertation
Appears in Collection
EE-Theses_Master(석사논문)
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