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.
智能天线和空间分集接收技术是主要的两种空间信号处理技术。
Smart antenna and spatial diversity receiving are two most important spatial signal processing technologies.
多输入多输出(MIMO)技术可以为系统提供空间复用增益和空间分集增益。
Spatial multiplexing and space diversity gain of a system can be extracted through MIMO technique.
结合空间分集和极化分集，对MIMO - OFDM系统中的容量进行研究。
Capacity of the MIMO-OFDM systems using both space diversity and polarization diversity was analyzed.
使用基于区域关联性的彩色信号自适应空间分集检测技术，提高目标检测效果。
An adaptive color signal spatial clustering technique based on area correlation is used and thus the target detection effect is improved.
由于MIMO雷达同时采用了空间分集和信号分集技术，所以它表现出许多不同于传统雷达的性能。
Because of the application of the space diversity and the signal diversity techniques, the performances of MIMO radar have many differences from the conventional radars.
由于中继节点的参与，该协议可充分利用多用户协作的空间分集和出错重传所带来的时间分集和编码增益。
As the relay node's involvement, the agreement can take full advantage of multi-user cooperative spatial diversity and the time diversity and coding gain from retransmission mechanism.
MIMO雷达采用了空间分集与信号分集技术，与传统相控阵体制雷达相比，可望获得更高的目标检测性能。
Compared with the conventional phased array radar, MIMO radar may acquire a better target detection performance by exploiting space diversity and signal diversity techniques.
该方案的主要特征是，认知中继使用的协作机制结合了协作传输和协作中继，可以获得空间分集和频谱分集增益。
The key feature of the proposed scheme is that, the cognitive relay combines cooperative transmission and cooperative relay, as a result, both spatial diversity and spectrum diversity can be obtained.
采用空间分集技术，通过使用多发送天线和多接收天线系统（MIMO系统），可以从一定程度上保证传输信号的质量。
With the introduction of space diversity, by using multi -sending antennas and multi -receiving antennas system(MIMO), we can improve the quality of the signals.
本文在传统的天线一维空间分集的基础上结合RAKE分集技术，提出了一种具有最优合并方案的双天线rake分集接收机结构。
Based on the antenna diversity and RAKE diversity, a new dual-antenna RAKE diversity model is put forward which features optimum combining.
文章针对多输入多输出（MIMO）系统在移动终端实现上的限制，提出分布式天线系统（DAS）的解决方案来获得空间分集增益。
Due to the limitation of mobile terminal implementation in MIMO systems, Distributed Antenna System (DAS) is proposed to provide space diversity gain.
给出了线性分集均衡器和判决反馈分集均衡器两种结构的工作原理，并从理论上证明了后者的最小均方误差性能优于线性空间分集组合器；
The principles of the linearity diversity equalizer and decision feedback diversity equalizer are presented, and the MMSE of the latter is proved to be better than the former.
空时编码技术通过空间和时间分集接收能有效增加信道容量。
Space -time coding can increase channel capacity by using the space and time diversity technique.
讨论了在各种编码方案下空间路径分集接收机的误码性能。
The performance of a space-path diversity receiver in various coding schemes is illustrated.
这种技术利用通信网中其它用户的天线作为中继，实现“虚拟天线”的空间传输分集，从而提高系统性能。
This technology USES antennas of other users as relays in wireless networks to achieve space diversity and full diversity gain.
一种在移动单元中提供时间、空间和天线图形分集以减弱CD MA移动单元处的衰落影响的分集天线系统。
A diversity antenna system in a mobile unit which provides time, space and antenna pattern diversity to mitigate the effects of fading at a CDMA mobile unit.
MIMO技术总体上可分为发送分集方式和空间复用方式。
MIMO technology can be classified as transmit diversity and spatial multiplexing.
所述方法和设备包括根据空间，时间和频率分集来传输分组和冗余分组，以增强冗余错误处理。
The method and apparatus comprises transmitting a packet and a redundant packet according to spatial, time and frequency diversity to enhance the redundancy error processing.
第三代移动通信系统WCDMA的发送分集方式有两种：开环模式和闭环模式，其中开环模式采用基于空间-时间分组编码的STTD发送分集方式。
There are two modes of transmit diversity for the third generation mobile communication system WCDMA: open-loop mode and the close-loop mode.
第三代移动通信系统WCDMA的发送分集方式有两种：开环模式和闭环模式，其中开环模式采用基于空间-时间分组编码的STTD发送分集方式。
There are two modes of transmit diversity for the third generation mobile communication system WCDMA: open-loop mode and the close-loop mode.
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