In this situation, antenna selection is an effective way to reduce cost.
对于这种低秩环境，选择天线发射或接收可以有效地降低系统的成本。
Antenna selection is performed remotely from the operator position inside the aircraft.
天线选择是从内部进行远程飞机的经营者的位置。
Antenna selection keeping many advantages of MIMO system is an efficient way to reduce cost and complexity.
天线选择是一种低成本、低复杂度的有效方法，可以利用多天线系统的多数优点。
This article gives an overview of antenna selection technology in MIMO system and points out some unsolved problem...
通过对MIMO系统中的天线选择技术进行概述，指出了这个领域内的一些还未解决的问题。
Compared with coherent antenna selection, the NON-AS algorithm do not require estimating channel state information, which greatly reduce system complexity.
与相干检测的天线选择相比，NON - AS算法不需要估计信道，大大降低了系统复杂性。
The antenna selection algorithm is the exhaustive search method. Its computational complexity grows rapidly as the number of antennas increases. It is quite impractical.
穷举搜索天线选择算法的计算复杂度随天线的增多变大，影响实际应用。
Antenna selection can effectively reduce the performance degradation under the highly correlated channels, also it can reduce the cost and complexity of the MIMO system.
天线选择能有效减小信道弱相关所带来的影响，另外它还具有降低硬件成本与实现复杂度的作用，为此，本文对MIMO系统的天线选择也进行了研究。
The results of simulation show that antenna selection of transmitter not only can increase capacity, but can also reduce complexity and cost of RF chains for given channels.
仿真结果表明，对不同的信道条件，适当选择天线发射不仅可以增加信道容量，而且可以降低系统的复杂度和射频成本。
Based on the MIMO ARQ wireless communication system, to combine the transmitting antenna selection and pre-coding, according to system capacity, this paper proposed a sub-optimal algorithm.
文章基于MIMO ARQ无线通信系统，针对发送天线选择和预编码技术的联合使用，依照系统容量，提出了一种次优的联合优化算法。
The simulation results show that the correlated coefficient decreases, and the channel capacity of MIMO system after antenna selection slightly decreases, when the receiving Angle increases.
仿真结果表明，当到达角增大时，相关系数随之减小，从而使接收天线选择后MIMO信道容量有一些降低。
The simulation result shows that when no transmit antenna correlation in the same antenna port is considered, NBA, LFBA and NCBA have similar performance to the optimal antenna selection algorithms.
仿真结果表明，当同一端口发送天线没有相关性时，NBA、LFBA、NCBA与最优天线选择算法性能接近。
Selection criterion is based on the Frobenius-2 norm of received signal vector at each receiving antenna.
该文只考虑了接收天线选择，天线选择的准则是基于每个天线接收到的信号向量F-2范数。
The selection of the insulator applied for a large power very low frequency transmitting antenna were studied.
本文对大功率甚低频发射天线用绝缘子的选型进行了研究。
From the view of radio network planning, the selection of dense urban area WCDMA outside antenna parameter and antenna diversity are given.
从无线网络规划的角度，着重介绍了密集城区WCD MA室外天线参数和天线分集的选择。
Some practical methods are described in this paper in terms of initial calculation, alignment of satellite receiving antenna, the selection of receiver and etc. for the readers reference.
下文从初始计算，调整卫星接收天线，选择接收机等几个方面浅述了一些实用的方法。
Besides, key construction technologies are introduced in detail, such as machinery selection, tower installation, measurement, welding and antenna mast installation.
详细阐述机械选型、塔楼安装、测量技术、焊接技术和天线桅杆安装的施工工艺和关键技术。
The paper presents the scheme of structural design of this radar and makes selection of stepping motor via the counting of wind load and inertia load of antenna.
给出了雷达的结构总体设计方案，计算了天线的惯性载荷以及风载荷，并由此得出方位转动电机所需的最小输出扭矩。
At last, discusses the algorithm selection of software antenna according to frequency extension.
最后对考虑频率扩展时软件天线算法的选择问题进行了讨论。
It describes base station antenna principle, type selection, parameter set and installation, with emphasis on down-tilt and diversity space.
对基站天线的基本原理、天线选型、天线参数设置、天线安装等方面进行了描述，对天线下倾角、分集距离等进行了重点讨论。
The dissertation collate and study the source selection, antenna pattern of distribution involved in tunnel coverage, put forward different solutions to the typical length of the tunnel.
本文对隧道覆盖中涉及的信号源选择、天馈线分布方式选择进行了系统的归纳和研究，提出了不同长度隧道的典型解决方案。
In addition, the selection also coaxial media were discussed and ultimately choose to PTFE as a coaxial coaxial medium as the basic unit of radiation. 2, Do a detailed analysis of the antenna network.
除此之外，还对同轴线介质的选取做了讨论，最终选择以聚四氟乙烯为同轴介质的同轴线作为基本辐射单元。2、对天线的网络划分做了详细分析。
In addition, the selection also coaxial media were discussed and ultimately choose to PTFE as a coaxial coaxial medium as the basic unit of radiation. 2, Do a detailed analysis of the antenna network.
除此之外，还对同轴线介质的选取做了讨论，最终选择以聚四氟乙烯为同轴介质的同轴线作为基本辐射单元。2、对天线的网络划分做了详细分析。
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