| CPC H01Q 3/34 (2013.01) [H01P 1/213 (2013.01); H01P 5/12 (2013.01); H04B 7/0408 (2013.01); H04B 7/0617 (2013.01)] | 12 Claims |

|
1. A communication apparatus, comprising a phase shifter, an input port, and an output port, wherein
the phase shifter comprises at least one first structure; the first structure comprises a first phase difference coupler, a second phase difference coupler, a first phase shifter, a second phase shifter, a third phase shifter, a fourth phase shifter, a fifth phase shifter, a sixth phase shifter, a cross coupler, a first combiner, and a second combiner;
the first phase difference coupler is coupled to the third phase shifter and the fourth phase shifter, and the first phase difference coupler is further coupled to the cross coupler and the first combiner; and the second phase difference coupler is coupled to the fifth phase shifter and the sixth phase shifter, and the second phase difference coupler is further coupled to the second phase shifter and the second combiner, wherein a second output port of the first phase difference coupler is coupled to a first input port of the cross coupler, a first output port of the second phase difference coupler is coupled to an input port of the second phase shifter, and an output port of the second phase shifter is coupled to a second input port of the cross coupler; and
the input port is coupled to an input port of the third phase shifter, an input port of the fourth phase shifter, an input port of the fifth phase shifter, and an input port of the sixth phase shifter; and
the output port is coupled to an output port of the first phase shifter and an output port of the second combiner.
|