1) distributed antennasystem
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分布天线系统(DAS)
2) distributed antenna systems (DAS)
![点击朗读](/dictall/images/read.gif)
分布式天线系统(DAS)
3) distributed antenna system
![点击朗读](/dictall/images/read.gif)
分布式天线系统
1.
Outage probability of distributed antenna system with hybrid SC/MRC diversity;
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分布式天线系统混合SC/MRC分集中断概率性能
2.
Analysis of MIMO channel capacity for distributed antenna system;
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分布式天线系统MIMO信道容量分析
3.
Downlink BER performance analysis of distributed antenna systems over shadowed Rayleigh fading channels
阴影Rayleigh衰落信道条件下分布式天线系统的下行BER性能分析(英文)
4) distributed antenna systems
![点击朗读](/dictall/images/read.gif)
分布式天线系统
1.
A Distributed Multiple Input Multiple Output (MIMO) system combining the characteristics of traditional MIMO systems and distributed antenna systems is proposed to improve the link quality and coverage.
分布式MIMO系统结合了点对点MIMO信道与分布式天线系统两者的特点,能改善链路的质量,提高覆盖面积。
5) distributed antennas system
![点击朗读](/dictall/images/read.gif)
分布式天线系统
1.
Based on the analysis of coverage characteristics of CDMA hierarchical cellular mobile system (HCMS),the paper proposes a two-layer HCMS which is composed of macrocells and distributed antennas system (DAS),and presents the comparisons between this system and CDMA macrocell/microcell HCMS.
分析了 CDMA 分层蜂窝移动通信系统(HCMS)网络覆盖特性,在此基础上提出了一种由宏小区和分布式天线系统(DAS)组成的双层 HCMS,即宏小区/DAS 结构,并将其与CDMA 宏小区/微小区双层蜂窝系统作了比较。
2.
A linear program based on power allocation model is proposed to enhance power efficiency of distributed antennas system.
从提高功率有效性的角度,建立分布式天线系统天线之间功率协调分配的线性规划模型;利用改进单纯形算法进行最优功率分配。
6) DAS
![点击朗读](/dictall/images/read.gif)
分布式天线系统
1.
Optimal antenna location for distributed antennas in DAS cells
![点击朗读](/dictall/images/read.gif)
分布式天线系统中的天线位置优化
2.
In order to quantificationally compare the supported user distribution density and quality of service(QoS) by distributed antenna system(DAS) and co-located antenna system(CAS) under multiuser condition,a stochastic geometry based performance analysis method is proposed.
从分布式天线系统的传输容量表达式可以发现,在给定用户分布密度时,为了满足一定的服务质量要求,用户的接入距离存在一个上限。
补充资料:共用天线系统
多部发射机或多台接收机(电视机)共用一副天线的系统。发射无线电信号时,由发射机、天线转换器和发射天线组成。为避免接收机间相互干扰,使用天线分配器。接收无线电信号时,由接收天线、天线放大器、分配器、分支器等组成。广泛用于高楼和接收条件较差地区。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条