Abstract
A radio communication apparatus capable of alleviating a burden in setting a transmission format and suppressing increases in the scale of the apparatus. In this apparatus space multiplexing adaptability detection section ( 108) detects space multiplexing transmission adaptability for divided bands (DB-1 to DB-Nd) obtained by dividing a communication band to which Ns subcarrier signals belong in multicarrier transmission and to which a plurality of subcarrier signals belong and outputs the detection results (#1 to #Nd). Transmission format setting section (110) sets a transmission format when carrying out radio transmission based on the detection results (#1 to #Nd) from space multiplexing adaptability detection section (108).
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Specification Information
Specification Information
Technologies
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Technologies
Signal Processing
Product
Use Cases
Wireless communication
Services
Claim
1. A reception apparatus that communicates with a transmission apparatus using a plurality of divided bands in a communication band, the communication band being divided into the plurality of divided bands and each of the plurality of divided bands including a plurality of subcarriers, the reception apparatus comprising:
a transmitter configured to transmit a signal to the transmission apparatus, the signal being for use by the transmission apparatus to set a format; and
a receiver configured to receive information per divided band, according to the format including information on a spatial multiplexing number and information on a spatial multiplexing weight for use in a spatial multiplexing transmission with the transmission apparatus, wherein one format corresponds to one divided band of the plurality of divided bands.', 'a transmitter configured to transmit a signal to the transmission apparatus, the signal being for use by the transmission apparatus to set a format; and', 'a receiver configured to receive information per divided band, according to the format including information on a spatial multiplexing number and information on a spatial multiplexing weight for use in a spatial multiplexing transmission with the transmission apparatus, wherein one format corresponds to one divided band of the plurality of divided bands.
2. The reception apparatus according to claim 1, further comprising:
a detector configured to detect a reception quality of a received signal transmitted from the transmission apparatus, wherein
the transmitter is further configured to transmit an indication of the reception quality of the received signal to the transmission apparatus for use in setting the format.', 'a detector configured to detect a reception quality of a received signal transmitted from the transmission apparatus, wherein', 'the transmitter is further configured to transmit an indication of the reception quality of the received signal to the transmission apparatus for use in setting the format.
3. The reception apparatus according to claim 1, wherein the format is set by the transmission apparatus in accordance with the spatial multiplexing number of the spatial multiplexing transmission with the reception apparatus.
4. The reception apparatus according to claim 1, which comprises a base station apparatus.
5. The reception apparatus according to claim 4, wherein,
the receiver of the base station apparatus receives the information on a spatial multiplexing weight from the transmission apparatus according to the format, and
the transmitter of the base station apparatus performs a downlink spatial multiplexing transmission based on the received information on the spatial multiplexing weight.', 'the receiver of the base station apparatus receives the information on a spatial multiplexing weight from the transmission apparatus according to the format, and', 'the transmitter of the base station apparatus performs a downlink spatial multiplexing transmission based on the received information on the spatial multiplexing weight.
6. The reception apparatus according to claim 1, which comprises a mobile station apparatus.
7. The reception apparatus according to claim 6, wherein,
the receiver of the mobile station apparatus receives the information on a spatial multiplexing weight from the transmission apparatus according to the format, and
the transmitter of the mobile station apparatus performs an uplink spatial multiplexing transmission based on the received information on the spatial multiplexing weight.', 'the receiver of the mobile station apparatus receives the information on a spatial multiplexing weight from the transmission apparatus according to the format, and', 'the transmitter of the mobile station apparatus performs an uplink spatial multiplexing transmission based on the received information on the spatial multiplexing weight.
8. A reception method performed by a reception apparatus that communicates with a transmission apparatus using a plurality of divided bands in a communication band, the communication band being divided into the plurality of divided bands and each of the plurality of divided bands including a plurality of subcarriers, the reception method comprising:
transmitting a signal to the transmission apparatus, the signal being for use by the transmission apparatus to set a format; and
receiving information per divided band, according to the format including information on a spatial multiplexing number and information on a spatial multiplexing weight for use in a spatial multiplexing transmission with the transmission apparatus, wherein one format corresponds to one divided band of the plurality of divided bands.', 'transmitting a signal to the transmission apparatus, the signal being for use by the transmission apparatus to set a format; and', 'receiving information per divided band, according to the format including information on a spatial multiplexing number and information on a spatial multiplexing weight for use in a spatial multiplexing transmission with the transmission apparatus, wherein one format corresponds to one divided band of the plurality of divided bands.
9. The reception method according to claim 8, further comprising:
detecting a reception quality of a received signal transmitted from the transmission apparatus, and
transmitting an indication of the reception quality of the received signal to the transmission apparatus for use in setting the format.', 'detecting a reception quality of a received signal transmitted from the transmission apparatus, and', 'transmitting an indication of the reception quality of the received signal to the transmission apparatus for use in setting the format
10. The reception method according to claim 8, wherein the format is set by the transmission apparatus in accordance with the spatial multiplexing number of the spatial multiplexing transmission with the reception apparatus.']
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SUMMARY
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.