As mobile traffic continues to grow, network operators attempt to meet capacity demands with strategies such as spectrum overlays, sector splitting and beamforming active antennas. While locating additional equipment at the top of the tower is preferred, space and weight constraints frequently require some radios to be placed on the ground. The radios are connected with feeder cables, resulting in signal loss and uplink (UL) degradation.
For over 20 years, tower-mounted amplifiers (TMAs) have been used to compensate for that feeder loss. This enables network operators to reduce downlink/uplink (DL/UL) imbalance and improve UL coverage. The result is improved overall cell coverage.
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