ID 原文 译文
57348 对此,利用物理层安全技术防止窃听,并利用大规模多输入多输出( mMIMO) 技术来减少干扰及用户能耗. To address this problem,this letter proposed to use physical layer se- curity technology to prevent eavesdropping,and use massive multiple input multiple output( mMIMO) technology to reduce interference and user energy consumption.
57349 此外,在时延受限的条件下,通过联合优化用户的卸载决策、发射功率以及卸载速率,实现用户 总能耗最小化. In addition,under the conditions of lim- ited delay,the user’s total energy consumption is minimized by jointly optimizing the user's offloading method,transmission power,and offloading rate.
57350 针对此非凸的多目标优化问题,首先利用拉格朗日乘数法得到用户卸载数据量的闭合表达式,然后 利用迭代算法得到用户最优的发射功率以及最大卸载速率. For this non-convex multi-objective optimization prob- lem,it can be decomposed into multiple sub-optimal sub-problems. Firstly,the Lagrange multiplier method is used to obtain a closed expression of the user’s offloading data bits,and then the iterative algo- rithm is used to obtain the user’s optimal transmit power and maximum offloading rate.
57351 仿真结果表明,所提出的 mMIMO-MEC 安全卸载方案在解决干扰和窃听等安全问题的同时,有效地降低了系统的总能耗. Simulation results show that the proposed new mMIMO-MEC secure offloading scheme can effectively reduce the total energy consumption of the system while solving interference and eavesdropping security issues.
57352 针对第 6 代移动通信系统( 6G) 设计了一款基于锗硅( SiGe) 工艺的 28 GHz 高功率、高效率毫米波功率放大器. A 28 GHz high power,high efficiency,millimeter wave power amplifier based on SiGe tech- nology is proposed for the sixth generation of mobile communications system ( 6G) communication sys- tem.
57353 利用高性能异质结双极晶体管形成差分共射-共基极( Cascode) 放大器结构,Cascode 结构中的共基极管基极的 低阻抗可显著提高耐压能力,能够在很大程度上增大输出电压的摆幅,得到更高的输出功率. The high-performance heterojunction bipolar transistor is used to form a differential Cascode ampli- fier structure. The low impedance of the base of the common base transistor significantly improves the breakdown voltage,which can greatly increase the output voltage swing,so that the output power.
57354 利用变压器实现了阻 抗匹配,相比普通的 LC 匹配网络有更小的插入损耗和更宽的带宽,适合应用在毫米波频段. Com- pared with the traditional LC matching network,transformer has less insertion loss and wider bandwidth.
57355 从仿真结果可知,功率放大器输出 1 dB 压缩点为 18.6 dBm,功率附加效率为 28.9% ,功率增益为 17.3 dB.将功率放大器应用于 6G 仿真实验中,构建出了 89 路的基站天线驱动系统,达到了 1.34 Tbit /s 的下行传输速率. The simulation results show that the output 1 dB compression point is 18. 6 dBm,the power added effi- ciency is 28. 9% ,and the power gain is 17. 3 dB. By applying the proposed amplifier in a 6G communi- cation downlink system simulation,the system can provide a high data rate of 1. 34 Tbit /s with 89 anten- na driven branch.
57356 将卫星网络、无人机集群引入物联网应用,为第 6 代移动通信系统提供了参考的应用场景. Satellite networks and unmanned aerial vehicles ( UAVs) are introduced into Internet of things,which provides a typical application for the sixth generation of mobile communication system ( 6G) .
57357 对天基物联网中各层的数据收集方法进行了分析,提出了天基物联网中的数据收集策略. Data transmission methods for each layer in the space-based Internet of things are analyzed,and one new data collection strategy is proposed.