Performance analysis of the combined AMC-MIMO systems using MCS level selection technique

Authors:
Sangjin Ryoo;Kwangwook Choi;Kyunghwan Lee;Insik Cho;Gilsang Yoon;Mingoo Kang;Intae Hwang;Cheolsung Kim
Affiliations:
Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea;Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea;Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea;Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea;Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea;Dept. of Information Science & Telecommunication, Hanshin University, Yangsan-dong, Osan, Kyongggi-do, Korea;Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea;Dept. of Electronics & Computer Engineering, Chonnam National University, Yongbong-dong, Buk-gu, Gwangju, Korea
Venue:
ICCOM'07 Proceedings of the 11th Conference on 11th WSEAS International Conference on Communications - Volume 11
Year:
2007

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Abstract

In this paper, we propose and observe a system that adopts Independent MCS (Modulation and Coding Scheme) level for each layer in the combined AMC-V-BLAST (Adaptive Modulation and Coding-Vertical-Bell-lab Layered Space-Time) system. Also, comparing with the combined system using Common MCS level, we observe how much throughput performance is improved. As a result of simulation, Independent MCS level case adapts modulation and coding scheme for maximum throughput to each channel condition in separate layer, resulting in improved throughput compared to Common MCS level case. Especially, the results show that the combined AMC-V-BLAST system with Independent MCS level achieves a gain of 700kbps in 7-9dB SNR (Signal-to-Noise Ratio) range.