Cross-layer Design for Space-time coded MIMO Systems over Rice Fading Channel

被引：0

作者：

Yu, Xiangbin ^{[1
,2
]}

Zhou, Tingting ^{[1
]}

Liu, Xiaoshuai ^{[1
]}

Yin, Xin ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Coll Informat Sci & Technol, Nanjing, Jiangsu, Peoples R China

[2] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Jiangsu, Peoples R China

来源：

2011 INTERNATIONAL CONFERENCE ON COMPUTERS, COMMUNICATIONS, CONTROL AND AUTOMATION (CCCA 2011), VOL III | 2010年

关键词：

Cross-layer design; space-time coding; Rice fading; spectrum efficiency; MIMO; ADAPTIVE MODULATION; TRUNCATED ARQ; BLOCK-CODES; PERFORMANCE; TRANSMISSION;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A cross-layer design (CLD) scheme for space-time coded MIMO systems over Rice fading channel is presented by combining adaptive modulation and automatic repeat request, and the corresponding system performance is investigated well. The fading gain switching thresholds subject to a target packet error rate (PER) and fixed power constraint are derived. According to these results, and using the generalized Marcum Q-function, the calculation formulae of the average spectrum efficiency (SE) and PER of the system with CLD are derived. As a result, closed-form expressions for average SE and PER are obtained. These expressions include some existing expressions in Rayleigh channel as special cases. With these expressions, the system performance in Rice fading channel is evaluated effectively. Numerical results verify the validity of the theoretical analysis. The results show that the system performance in Rice channel is effectively improved as Rice factor increases, and outperforms that in Rayleigh channel.

引用

页码：112 / 115

页数：4

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