| 摘要 |
Ingress noise in a hybrid fiber-coax transmission system (10) may be reduced by employing asymmetric taps (30 1'-30 8',) between a pair of line extenders (2 8-28) for attenuating downstream and upstream information by different weights. The do wnstream weights of the taps are selected to achieve a substantial constant power lev el at each tap for individual subscribers (14-14). The upstream attenuation of each tap is selected to allow for a nearly constant level of subscriber-generated information to be received at the line extender while the subscriber generated upstream information is supplie d to the taps at a constant value that is maximized to reduce the effect of ingress noise.
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