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首页> 外文会议>NAFOSTED Conference on Information and Computer Science >Power Control in Energy-Efficient Secure Transmission under QoS and Transmitter's Imperfect CSI
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Power Control in Energy-Efficient Secure Transmission under QoS and Transmitter's Imperfect CSI

机译：在QoS和变送器不完美CSI下节能安全传输的功率控制

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摘要

Under the constraints of quality of service and average transmission power, this paper studies the power control to maximize the energy efficiency of secure transmission. Assuming that the transmitter has imperfect channel state information, the derivation of the optimum power control rule and comparison of its resulting energy efficiency with various power control strategies are presented. Then, the impact of estimation error and number of antennas on the average secrecy energy efficiency (SEE) as well as the trade-off between the average SEE and quality of service will be characterized. The results show that the average SEE with the optimum power control increases significantly for small number of antennas or low transmit power. The results also show that the loss of average SEE is remarkably at high estimation error or extremely-high quality of service.
机译：在服务质量和平均传输功率的限制下，本文研究了功率控制，以最大限度地提高安全传输的能量效率。假设发射机具有不完美的信道状态信息，呈现了最佳功率控制规则的推导以及通过各种功率控制策略的结果能效的比较。然后，估计误差和天线数量对平均保密能源效率（参见）的影响以及平均参见和服务质量之间的权衡。结果表明，对于少量天线或低发射功率，使用最佳功率控制的平均值显着提高。结果还表明，平均损失看得非常高估误差或极高的服务质量。

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