Performance Analysis of SNR Based Scheduling Scheme for MIMO OSFBC-OFDM Systems in η–?Fading Channels

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• 作者：Uma Raj ; Vidhyacharan Bhaskar
• 关键词：Adaptive modulation ; η–οfading channel ; Full ; feedback ; Limited ; feedback ; Spectral efficiency ; User scheduling
• 刊名：International Journal of Wireless Information Networks
• 出版年：2015
• 出版时间：June 2015
• 年：2015
• 卷：22
• 期：2
• 页码：147-156
• 全文大小：850 KB
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• 作者单位：Uma Raj (1)
  Vidhyacharan Bhaskar (2)
  
  1. Department of Electronics, Shah and Anchor Kutchchi Engineering College (SAKEC), University of Mumbai, Chembur, Mumbai, 400 088, Maharashtra, India
  2. Department of Electrical and Computer Engineering, San Francisco State University, 1600 Holloway Avenue, San Francisco, CA, 94132, USA
  
• 刊物类别：Engineering
• 刊物主题：Electronic and Computer Engineering
  
• 出版者：Springer Netherlands
• ISSN：1572-8129

文摘

High performance of MIMO-OFDM wireless systems is very much desirable. In this paper, we study the performance analysis of scheduling schemes for multiuser MIMO-OFDM systems employing Orthogonal Space-Frequency Block Coding in η–?fading scenario over frequency selective fading channels. We analyze the advantages of user scheduling in MIMO-OFDM systems employing OSFBC and adaptive modulation schemes. It can be noted that η–?distribution includes Nakagami-m and Hoyt distributions as special cases. Analytical expressions for average spectral efficiency (ASE), average bit error rate (BER), and outage probability for scheduling schemes are derived. Both full-feedback and limited-feedback channel information scenarios are considered. Using the results obtained from both mathematical expressions and numerical simulations, the ASE and BER are compared and discussed.