To provide a transmission device, relay device, reception device, communication system, transmission method or relay method, avoiding a narrow covering area.
The transmission device includes at least one first transmission antenna having a first polarization characteristic, and at least one second transmission antenna having a second polarization characteristic different from the first polarization characteristic. The relay device includes at least one first reception antenna having a polarization characteristic identical to the first polarization characteristic, at least one second reception antenna having a polarization characteristic identical to the second polarization characteristic, and a transmission antenna having a polarization characteristic identical to either one of the first polarization characteristic and the second polarization characteristic.
| JP4952088 | Transmitter, transmitter, receiver, receiver and transmission system |
| JP2008236002 | OFDM TRANSMISSION SYSTEM AND METHOD |
| WO/2011/132299 | RECEPTION DEVICE AND RECEPTION METHOD |
YAMADA RYOTA
Masao Miki
Susumu Nomura
Naoki Ofusa
Koji Kata
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