ADSL is a copper looptransmission technique that solves the bottleneck problem associated with the last mile.
ADSL是一项基于铜线传输解决最后一英里的瓶颈问题的传输技术。
2
The closed looptransmission power control based on measuring BER is adopted in the uplink and shown to be effective.
系统采用了基于误码率测量的闭环功率控制技术，效果良好。
3
Finally it is proved that the closed-looptransmission scheme can improve the receiving the energy and the interference ratio and increase the forward-link capacity of the system.