In order to realize subway mobile communication signal coverage, specialized radio communication system was established.
为了实现地铁移动通信信号的覆盖，建立了专用无线通信系统。
The TD-SCDMA indoor distribution system is distributes the supply oscillator signal evenly in each place of building interior to realize the Indoor Coverage.
SCDMA室内分布系统是将信号源信号均匀地分布在建筑物内部的每个地方，以实现室内覆盖。
Field operation shows that such a system has the characteristics of strong real-time state monitoring, wide signal coverage, flexible and reliable data transmission and low operational cost.
现场运用表明，系统具有状态监测实时性强、信号覆盖范围广、信息传输灵活可靠、运营成本低的特点。
The invention discloses a wideband omnidirectional ceiling antenna which is used for finishing the indoor signal coverage of a mobile communication system.
本发明公开一种宽频全向吸顶天线，包括：用于完成移动通信系统信号的室内覆盖，包括：金属底板；
And the repeater antenna is an important part of the repeater system, which has a direct affect on coverage and signal quality.
而直放站天线是直放站的重要组成部分，直接影响到直放站的覆盖范围和信号质量。
In the mobile communication system, we usually use power amplifier to enlarge the pow of the transmited signal in order to assure the Coverage in some range.
在移动通信系统中，为了保证一定范围的信号覆盖，通常使用功率放大器来对信号放大。
The invention discloses an ultra-wideband omnidirectional ceiling antenna which is used for finishing the indoor signal coverage of a mobile communication system.
本发明公开一种超宽带全向吸顶天线，包括：用于完成移动通信系统信 号的室内覆盖，包括：金属底板；
The invention discloses an ultra-wideband omnidirectional ceiling antenna which is used for finishing the indoor signal coverage of a mobile communication system.
本发明公开一种超宽带全向吸顶天线，包括：用于完成移动通信系统信 号的室内覆盖，包括：金属底板；
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