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。
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