Multiple antenna system can improve the reliability and capacity of wireless communication.
多天线系统可以改进无线通信的容量，提高可靠性。
How to model this multiple antenna system and what transmit scheme should be adopted is worth studying.
如何对这种多天线系统建模以及采用何种传输策略值得研究。
However, multiple antenna system needs multiple RF chains, which will add cost in terms of size, power, and hardware.
然而，使用多天线，就意味着多个射频链路会增加天线的体积、功率、硬件，从而增加成本。
And the capacity of the UMB systems has been greatly improved by using the multiple antenna technology, like the Closed-loop MIMO.
还有闭环MIMO等多天线技术的使用，使得umb系统的系统容量有了极大的提升。
MIMO relay channels, which combines the multiple antenna system and the relay, can improve the spectral efficiency of relay network.
MIMO中继技术结合了多天线系统和中继技术的优点，进一步提高了中继系统的频谱效率。
Distributed MIMO that employs multiple antennas keeps the advantages of the distributed antenna system and the point-to-point MIMO system.
采用多天线的分布式MIMO系统保持了分布式天线系统和点对点MIMO系统的优点。
Recent years, a latest technique using multiple antenna elements at both the transmitter and the receiver, called Multiple-Input and Multiple-Output ( MIMO ), has being developed.
近年来，在无线通信研究中的一个最新进展就是多输入多输出方法（MIMO ），即在无线通信系统的发射端和接收端都安装了多个天线的信号传输方法。
A class of multiple transmit antenna systems is defined based on vector norm and the outage probability of them are studied.
用矢量范数定义了一类多发射天线系统，并对各系统的中断概率性能进行了研究。
The VBLAST can be used to exploit the capacity potential provided by multiple transmit antenna systems. The STBC has higher diversity gain.
VBLAST可以有效提高多发射天线系统容量，而STBC则具有较高的分集增益，通过将两种方案结合起来组成一个新的系统。
On the other hand, utilizing the smart antenna and the users' spatial information, we can develop the Space Division Multiple Access (SDMA) technology.
另一方面，利用智能天线和用户空间位置信息可以实现空分多址(SDMA)接入技术。
The structure design of antenna is a complicated systems engineering, which is generally subjected to multiple objectives that influence each other.
卫星天线的结构设计是一个复杂的系统工程，通常受到多个指标的限制。
The effect of finite rate feedback in multiple-antenna OFDM systems on communication performance is discussed in this paper.
讨论了多发射天线OFDM系统中有限比率反馈对通信系统误码率的影响。
This paper studied antenna structures discrete variables optimum design under multiple loading conditions in accordance with the complexity of antenna structure.
针对天线结构受载及工作状态的复杂性，研究了天线结构的多工况离散变量优化设计问题。
This paper proposes distributed power control (DPC) methods based on SIR measurement in Multiple-Input Multiple-Output (MIMO) antenna cellular systems.
该文提出多输入多输出(MIMO)天线蜂窝系统中的基于SIR测量的分布式功率控制(DPC)方法。
The circuit includes an antenna interface module adapted to receive multiple frequency components via an antenna.
该电路包括适 于通过天线接收多个频率成分的天线接口模块。
The antenna, as one of the most significant components, its performance eventually determines the capability of a system operating in multiple frequency bands.
作为系统中最重要的组件之一，天线的性能如何直接决定了系统工作在多个不同频段的能力。
The antenna is capable of sustaining multiple bullet holes with minimum system performance degradation and is also protected from environmental damage caused by rain, dust and salt fog.
其天线能够承受住多发子弹的穿透，而系统性能却几乎不会降低，同时还可抵御因雨水、灰尘和盐雾导致的环境破坏。
Distributed antennas belonging to multiple users in the wireless network are collected, each with their own information to transmit, so that the users form a "virtual antenna array" (VAA).
分布在无线网络节点上的每一根天线都有自身信息要传送，且集合起来组成虚拟的天线阵列(VAA)。
Modern handset antenna design has to account for the current trends in the market to address the challenges of managing multiple frequencies.
现代手机天线的设计必须考虑到市场目前的趋势，以解决管理多个频率的挑战。
The system employs multiple detectors, each comprising an antenna coup LED with a device ( a bolometer) for measuring the energy of incident electromagnetic radiation.
系统应用了多个探测器，每一个探测器都包括一根连在用于测量投射电磁辐射能量的仪器（辐热测量计）上的天线。
The multi-band antenna system 100 May be implemented as an internal antenna with broadband characteristics operating in multiple frequency bands.
该多波段天线系统100可实现为具有在多个频段内操作的宽带特征的内部天线。
Multiple reception paths stem from the antenna interface module, where different reception paths are associated with different frequency components.
多条接收路径源自天线接口模块，其中不同的接收路径与不同的频率成分相关联。
The article presents the average energy density, the total radiant power and the radiant resistance of the integral multiple semi-wave antenna with the electrical current of certain distribution.
给出了一定分布电流下，整数倍半波天线辐射场的平均能流密度、辐射总功率及辐射电阻。
Recent work has shown that capacity of a multiple-antenna MIMO system is increased linearly with the number of transmitter antennas in fading channels.
最近的研究表明，在衰落信道多天线MIMO系统的容量随发射天线数线性增加。
We calculated the transmission of the mirror and the distribution of electric field by using multiple scattering method. The result shows that it can be used as a reflecting mirror of an antenna.
提出了用介质圆柱光子晶体作微波天线的柱抛物面反射镜，用多重散射方法计算了反射镜的透过谱，并模拟计算了天线的电场分布，初步认为可以用非晶光子材料作微波天线的反射镜。
The traditional single antenna and multiple delays system restrain the interference only from the time domain, so the anti-interference ability is limited.
传统的单天线多延迟系统仅从时域抗干扰，抑制干扰能力有限。
Diversity antenna which is adapted for mobile station needs compact antenna configuration, high isolation and small correlation coefficient between multiple ports.
适用于移动的台分集天线要求紧凑的天线结构，端口之间较大的隔离度以及较小的相关系数。
The invention solves the problems of larger size and more complicated design of the multiple-wave beam antenna, thereby achieving the effects of compact structure and simple design.
通过本发明，解决了多波束天线体积较大且设计比较复杂的问题，进而达到了使多波束天线结构紧凑、设计简单的效果。
It is well accepted that spatial, or multiple-antenna, diversity is an efficient technique to combat the negative effects of channel fading in wireless networks.
多天线空间分集技术是抵抗无线信道衰落的有效手段。
It is well accepted that spatial, or multiple-antenna, diversity is an efficient technique to combat the negative effects of channel fading in wireless networks.
多天线空间分集技术是抵抗无线信道衰落的有效手段。
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