Spectrum Efficiency Evaluation of SM MC-CDM with ZF USIC Under Different Adaptive Transmission Techniques

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• 作者：Lakshmi S. Pai ; Vidhyacharan Bhaskar
• 关键词：Spatially multiplexed multicarrier code division multiplexing ; Unified successive interference cancellation ; Optimal power and rate adaptation ; Optimal rate with constant transmit power ; Channel inversion with fixed rate ; Truncated channel inversion
• 刊名：Wireless Personal Communications
• 出版年：2015
• 出版时间：October 2015
• 年：2015
• 卷：84
• 期：4
• 页码：3057-3074
• 全文大小：944 KB
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  16.Bhaskar, V., & Pai, L. S. (2012). Performance analysis of MC-CDMA systems under Nakagami Hoyt fading. Wireless Personal Communications Journal. doi:10.鈥?007/鈥媠11277-012-0669-4
  
• 作者单位：Lakshmi S. Pai (1)
  Vidhyacharan Bhaskar (2) (3)
  
  1. Department of Electronics and Communication Engineering, Matha College of Technology, Ernakulam, 683511, Kerala, India
  2. Department of Electrical and Computer Engineering, San Francisco State University, 1600 Holloway Avenue, San Francisco, CA, 94132, USA
  3. Department of Electrical Engineering, Northwestern Polytechnic University, 47650 Westinghouse Dr., Fr茅mont, CA, 94539, USA
  
• 刊物类别：Engineering
• 刊物主题：Electronic and Computer Engineering
  Signal,Image and Speech Processing
  Processor Architectures
  
• 出版者：Springer Netherlands
• ISSN：1572-834X

文摘

In this paper, closed form expressions for capacities per unit bandwidth for Spatially Multiplexed Multicarrier-Code Division Multiplexing with Zero Forcing Unified Successive Interference Cancellation detection are derived for optimal power and rate adaptation, optimal rate adaptation with constant transmit power, channel inversion with fixed rate, and truncated channel inversion adaptation policies, taking into account the effect of perfect channel estimation at the receiver. Optimal power and rate adaptation policy provides the highest capacity over other adaptation policies. Truncated channel inversion policy suffers a large capacity penalty relative to the optimal power adaptation policy. However, the capacity penalty for the truncated channel inversion policy is lower compared to channel inversion with fixed rate policy. Furthermore, we derive analytical results for (1) capacity statistics, (2) Complementary Cumulative Distribution Function, and (3) Probability Density Function. Keywords Spatially multiplexed multicarrier code division multiplexing Unified successive interference cancellation Optimal power and rate adaptation Optimal rate with constant transmit power Channel inversion with fixed rate Truncated channel inversion