Performance Analysis of an AMC System with an Iterative V-BLAST Decoding Algorithm

• 作者: Intae HWANG Kyunghwan LEE Sangjin RYOO
• 来源期刊: 通讯、网络与系统学国际期刊(英文)
• 学科: 工学
• 关键词: ITERATIVE V-BLAST DECODING MAP DECODER AMC STD Turbo Code
• 年，卷（期）: 2008,（2）
• 页码范围: 119-123
• 页数: 5页
• 分类号: TN91

摘要

In this paper, the iterative Vertical-Bell-lab Layered Space-Time (V-BLAST) decoding algorithm of an Adaptive Modulation and Coding (AMC) system is proposed, and the corresponding MIMO scheme is analyzed. The proposed decoding algorithm adopts iteratively extrinsic information from a Maximum A Posteriori (MAP) decoder as an a priori probability in the two decoding procedures of the V-BLAST scheme of ordering and slicing in an AMC system. Furthermore, the performance of the proposed decoding algorithm is compared with that of a conventional V-BLAST decoding algorithm and a Maximum Likelihood (ML) decoding algorithm in the combined system of an AMC scheme and a V-BLAST scheme. In this analysis, each MIMO schemes are assumed to be parts of the system for performance improvement.