Transmission device, transmission method, receiving device and receiving method
View Patent ↗Provided is a frame configuration usable for both SISO transmission and MISO and/or MIMO transmission. A frame configurator of a transmission device configures a frame by gathering data for SISO and configures a frame by gathering data for MISO and/or MIMO data, thereby to improve the reception performance (detection performance) of a reception device.
1. A transmission device for Single-Input, Single-Output (SISO), Multiple-Input, Single-Output (MISO), and Multiple-Input, Multiple-Output (MIMO), the transmission device comprising:
a frame configurator configuring at least one SISO frame by exclusively gathering PLP data for SISO from target data for transmission, the target data including a plurality of pieces of PLP data to be transmitted via physical layer pipes (PLPs), and configuring at least one MISO/MIMO frame by gathering either or both of PLP data for MISO and PLP data for MIMO from the target data;
a pilot symbol inserter for inserting pilot symbols into the at least one SISO frame and pilot symbols into the at least one MISO/MIMO frame, using common pilots for the PLP data for MISO and the PLP data for MIMO; and
a transmitter for switching between first transmission processing or transmitting the at least one SISO frame using the PLPs and second transmission processing for transmitting the at least one MISO/MIMO frame using the PLPs, and executing transmission via the first transmission processing and the second transmission processing.
2. The transmission device of claim 1 , wherein
the frame configurator configures the at least one MISO/MIMO frame by gathering, from either or both of the PLP data for MISO and the PLP data for MIMO, pieces of PLP data to be transmitted by using a same combination of antenna polarizations and configures the at least one SISO frame by gathering, from the PLP data for SISO, pieces of PLP data to be transmitted by using a same antenna polarization.
3. The transmission device of claim 1 , wherein
the frame configurator configures the at least one MISO/MIMO frame by gathering from either or both of the PLP data for MISO and the PLP data for MIMO, pieces of PLP data to be transmitted by using a same antenna transmission power and configures the at least one SISO frame by gathering, from the PLP data for SISO, pieces of PLP data to be transmitted by using a same antenna transmission power.
4. The transmission device of claim 1 , further comprising:
a phase changer cyclically changing a phase of a signal to be transmitted from at least one antenna in MISO/MIMO, wherein
the transmitter transmits the signal with the phase changed by the phase changer.
5. A reception device for Single-Input, Single-Output (SISO), Multiple-Input, Single-Output (MISO), and Multiple-Input, Multiple-Output (MIMO), the reception device comprising:
a receiver receiving at least one SISO frame and at least one MISO/MIMO frame having been configured by a transmission device, the at least one SISO frame being configured by exclusively gathering PLP data for SISO from target data for transmission and transmitted via execution of first transmission processing using physical layer pipes (PLPs), and the at least one MISO/MIMO frame being configured by gathering either or both of PLP data for MISO and PLP data for MIMO from the target data and transmitted via execution of second transmission processing using the PLPs, switching between the first transmission processing and the second transmission processing being possible; and
a demodulator demodulating each frame received by the receiver to obtain the PLP data for SISO or either or both of the PLP data for MISO and the PLP data for MIMO included in the frame, wherein
each SISO frame includes pilot symbols, and each MISO/MIMO frame includes pilot symbols, common pilots being used for the PLP data for MISO and the PLP data for MIMO.
6. A transmission method for use by a transmission device for Single-Input, Single-Output (SISO), Multiple-Input, Single-Output (MISO), and Multiple-Input, Multiple-Output (MIMO), the transmission method comprising:
a frame configuring step of configuring at least one SISO frame by exclusively gathering PLP data for SISO from target data for transmission, the target data including a plurality of pieces of PLP data to be transmitted via physical layer pipes (PLPs), and configuring at least one MISO/MIMO frame by gathering either or both of PLP data for MISO and PLP data for MIMO from the target data;
a pilot symbol inserting step of inserting pilot symbols into the at least one SISO frame and pilot symbols into the at least one MISO/MIMO frame, using common pilots for the PLP data for MISO and the PLP data for MIMO; and
a transmitting step of switching between first transmission processing for transmitting the at least one SISO frame and the at least one MISO/MIMO frame using the PLPs, and executing transmission via the first transmission processing and the second transmission processing.
7. A reception method for use by a reception device for Single-Input, Single-Output (SISO), Multiple-Input, Single-Output (MISO), and Multiple-Input, Multiple-Output (MIMO), the reception method comprising:
a receiving step of receiving at least one SISO frame and at least one MISO/MIMO frame having been configured by a transmission device, the at least one SISO frame being configured by exclusively gathering PLP data for SISO from target data for transmission and transmitted via execution of first transmission processing using physical layer pipes (PLPs), the target data including a plurality of pieces of PLP data to be transmitted via the PLPs, and the at least one MISO/MIMO frame being configured by gathering either or both of PLP data for MISO and PLP data for MIMO from the target data and transmitted via execution of second transmission processing using the PLPs, switching between the first transmission processing and the second transmission processing being possible; and
a demodulating step of demodulating each frame received by the receiving step to obtain the PLP data for SISO or either or both of the PLP data for MISO and the PLP data for MIMO included in the frame, wherein
each SISO frame includes pilot symbols, and each MISO/MIMO frame includes pilot symbols, common pilots being used for the PLP data for MISO and the PLP data for MIMO.