On Achievable Diversity Multiplexing Tradeoff in MIMO Nonorthogonal Amplify-and-Forward Cooperative Channel with Quantized Channel State Feedback
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概要
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In this letter, we derive a lower bound on the diversity multiplexing tradeoff (DMT) in multiple-input multiple-output (MIMO) nonorthogonal amplify-and-forward (NAF) cooperative channels with resolution-constrained channel state feedback. It is shown that power control based on the feedback improves the DMT performance significantly in contrast to the no-feedback case. For instance, the maximum diversity increase is exponential in K with K-level feedback.
著者
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Zhu Shihua
Department Of Information And Communication Engineering Xi'an Jiaotong University
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Feng Zhenjie
Department Of Information And Communication Engineering Xi'an Jiaotong University
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HUI Hui
School of Electronics and Information Engineering, Xi'an Jiaotong University
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SUN Xiaodong
Department of Information and Communication Engineering, Xi'an Jiaotong University
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SUN Xiaodong
Department of Information and Communication Engineering, Xi'an Jiaotong University
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