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Dual Analysis of the Capacity of Spectrum Sharing Cognitive Radio with MRC under Nakagami-mFading

机译：Nakagami-mFading下与MRC频谱共享认知无线电容量的双重分析

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In this study, the maximum achievable information transmission rate of spectrum sharing cognitive radio with maximal ratio combining (MRC) antenna diversity technique is investigated when the channel between the secondary transmitter and the primary receiver and that between the secondary transmitter and the secondary receiver suffer Nakagami-mfading. With an assumption that both channels encounter Nakagami-mfading and the transmission of the secondary transmitter is subject to average interference power constraint, the approximated expressions for analyzing the effective capacity and the ergodic capacity of cognitive radio users with MRC are presented. The two capacity models are compared. In the case of the effective capacity, it is shown that different applications or users with different quality of service (QoS) requirements can be supported in cognitive radio, and when the delay QoS decreases, the effective capacity approaches the ergodic capacity.
机译：在这项研究中，研究了最大发射比合并（MRC）天线分集技术在频谱共享认知无线电的最大可实现信息传输率的情况下，当次要发射机和主要接收机之间以及次要发射机和次要接收机之间的信道遭受中上-mfading。假设两个信道都经历了Nakagami-mfading，并且辅发射机的传输受到平均干扰功率约束，则给出了用于分析具有MRC的认知无线电用户的有效容量和遍历容量的近似表达式。比较了两种容量模型。在有效容量的情况下，表明认知无线电可以支持具有不同服务质量（QoS）要求的不同应用程序或用户，并且当延迟QoS降低时，有效容量接近遍历容量。

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