Patent ID: 11862862
Assignee: NEC CORPORATION
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. A communication device comprising:
a first communicator coupled with a first antenna element and a second antenna element;
a second communicator coupled with a third antenna element and a fourth antenna element; and
a connector configured to connect the first communicator and the second communicator together,
wherein the first communicator and the second communicator have a same configuration including a 180-degree hybrid circuit having a first port configured to generate a sum signal from a plurality of input signals and a second port configured to generate a difference signal from the plurality of input signals, a first phase shifter coupled with the 180-degree hybrid circuit to carry out a phase shift by a first phase value, and a second phase shifter coupled with the 180-degree hybrid circuit to carry out a phase shift by a second phase value,
wherein the first antenna element is connected to the first port of the 180-degree hybrid circuit via a first terminal of the first communicator while the second antenna element is connected to the second port of the 180-degree hybrid circuit via a second terminal of the first communicator,
wherein the third antenna element is connected to the first port of the 180-degree hybrid circuit via a first terminal of the second communicator while the fourth antenna element is connected to the second port of the 180-degree hybrid circuit via a second terminal of the second communicator,
wherein in the first communicator, the first phase shifter and the second phase shifter are commonly connected to a third terminal of the first communicator,
wherein in the second communicator, the first phase shifter and the second phase shifter are commonly connected to a third terminal of the second communicator, and
wherein the connector is connected between the second terminal of the first communicator and the second terminal of the second communicator.