차세대 이동통신 시스템을 위한 LLR 기반의 채널 상태 획득 방법 및 다중 안테나를 고려한 적응형 전송 기술
LLR-based Link Quality Acquisition and Adaptation Strategies with Multiple Antennas for Next Generation Mobile Communication Systems
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초록
In this paper, we investigate the link adaptation technique to improve the system performance in Multiple-Input Multiple-Output Bit-Interleaved Coded Orthogonal Frequency Division Multiplexing (MIMO BICOFDM)systems. This paper proposes the mathematical model for analyzing the performance of the MIMO BIC OFDM system and introduces a high-throughput and low-complexity link adaptation algorithm using the derived performance model. Compared with the well-known Adaptive Modulation and Coding (AMC) scheme, the proposed link adaptation scheme can provide both minimal performance degradation and significant throughput gain by controlling the spatial streams.
Abstract
In this paper, we investigate the link adaptation technique to improve the system performance in Multiple-Input Multiple-Output Bit-Interleaved Coded Orthogonal Frequency Division Multiplexing (MIMO BICOFDM)systems. This paper proposes the mathematical model for analyzing the performance of the MIMO BIC OFDM system and introduces a high-throughput and low-complexity link adaptation algorithm using the derived performance model. Compared with the well-known Adaptive Modulation and Coding (AMC) scheme, the proposed link adaptation scheme can provide both minimal performance degradation and significant throughput gain by controlling the spatial streams.
참고문헌 (21)
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