| CPC H04B 1/0475 (2013.01) [H04B 1/0458 (2013.01); H04B 1/1018 (2013.01); H04B 1/1036 (2013.01); H04B 2001/0408 (2013.01)] | 20 Claims |

|
1. A communication terminal configured for satellite and terrestrial communications, the communication terminal comprising:
an antenna configured to receive a radio signal from a satellite system and an interference signal from a terrestrial system;
a first filter located along a signal path extending from the antenna to processing circuitry, the first filter configured to filter the radio signal to remove the interference signal; and
filter control circuitry which branches off of the signal path, the filter control circuitry including a second filter and a power detector, the filter control circuitry configured to detect the interference signal received by the antenna and cause an adjustment to the first filter to block the interference signal based on an output from the power detector.
|