【摘 要】
：
大规模多进多出(Massive MIMO)系统是5G/6G移动通信技术中提高频谱效率的关键技术,基站需要获得准确的用户信道状态信息进行编码调制以提高频谱利用率。数字PID算法简单、可靠性高,仍然是在工业控制中应用得最为广泛的一种控制方式,Massive MIMO系统信道状态信息数字PID控制反馈设计了Massive MIMO系统信道状态信息数字PID控制反馈模型,将给定的用户F-OFDM解调信号由数字PID控制反馈给Massive MIMO系统基站,在MATLAB中分别仿真实现了位置式PID控制反馈系统和
【机 构】
：
西安培华学院智能科学与信息工程学院
【基金项目】
：
2020年度陕西省教育厅专项科研计划项目(20JK0823)资助。
论文部分内容阅读
大规模多进多出(Massive MIMO)系统是5G/6G移动通信技术中提高频谱效率的关键技术,基站需要获得准确的用户信道状态信息进行编码调制以提高频谱利用率。数字PID算法简单、可靠性高,仍然是在工业控制中应用得最为广泛的一种控制方式,Massive MIMO系统信道状态信息数字PID控制反馈设计了Massive MIMO系统信道状态信息数字PID控制反馈模型,将给定的用户F-OFDM解调信号由数字PID控制反馈给Massive MIMO系统基站,在MATLAB中分别仿真实现了位置式PID控制反馈系统和
其他文献
The vacuum thermal evaporation technique was used to simultaneously deposit zinc coatings onto interstitial free steel plates and single-crystal silicon wafers in a high vacuum environment.The effect of substrate temperature on the mor-phology and crystal
At present,lots of municipal solid wastes(MSWs)are treated by incineration technology,which produces a large amount of fly ash that needs to be treated innocuously.A new method of using metallurgical shaft furnace to treat the MSW fly ash was thus propose
Pulverized coal injection technique has been widely used as a means of reducing coke consumption during ironmaking process.Owing to the increasing shortage of fossil fuels,other substitutes such as biomass,plastic,and waste tires have been studied in rece
The partitioning of nitrogen atoms and its effect on the retained austenite content(RAC)during quenching and partitioning(Q&P)process were investigated by dilatometry,X-ray diffraction,and field emission transmission electron microscopy with energy-di
空气湿度是自动气象站的重要观测要素,其准确度至关重要。为比较DHC2型和DHC1型两种气象用温湿度传感器的湿度测量性能,选取上述两种型号的传感器各100支,以3MS计量检定系统为实验装置,确保比对结果的准确性和代表性,为测量准确度的分析及湿度的修正提供理论参考。结果表明,相较于DHC2型,DHC1型正反行程中正负误差所占比重变化相对平缓,但高湿时正误差率大,更容易出现高湿不退的情况;两种传感器湿度
多负载无线充电技术可解决多个无人机续航能力问题,可提高无人机充电安全性和智能化.设计了一种无人机群集中式无线充电系统,发射端采用单电源发射线圈串联连接,接收端是多个
针对双容水箱液位控制系统存在时变、非线性和滞后等不确定因素,设计了一种基于滑模控制的方案,解决了传统PID控制在精准高效方面存在的缺陷.通过对双容水箱的分析,先后建立
The mechanical properties of hot rolled strip are the key index of product quality,and the soft sensing of them is an important decision basis for the control and optimization of hot rolling process.To solve the problem that it is difficult to measure the
Pulverized coal utilization in the blast furnace is decided by the particle flow and combustion behaviors in the raceway.Under a specific operating condition,these behaviors are directly related to the lance configuration in the upstream tuyere zone.Focus
设计精确的定位算法是无线传感网络(wireless sensor networks, WSNs)的研究热点。针对距离向量-跳距(distance vector-Hop, DV-Hop)定位算法的定位精度不高问题,提出基于测距修正的差分进化的节点定位算法(RDEL)算法,提高节点定位精度。首先,RDEL算法利用接收信号强度值对跳数值进行修正,然后,通过构建测距误差代价函数,并利用无偏估计对跳距进行校正。最后,通过差分进化算法估计未知节点的位置。仿真结果表明,相比于传统的DV-Hop算法,提出的RDEL算法降