Title:
RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/220594
Kind Code:
A1
Abstract:
A radio communication device (1) is characterized by being provided with: a transmission/reception unit (30) that uses the same frequency to spatially multiplex and can simultaneously transmit signals to be transmitted to opposite devices, which are a plurality of opposite radio communication devices, by use of a hybrid beamforming system in which analog beamforming and digital precoding processing are combined; and a control unit (20) that determines, on the basis of channel state information fed back from each of the plurality of opposite devices, a number of transmission arrays to be allocated to each of the plurality of opposite devices and a number of transmissions of a reference signal to be transmitted to each of the plurality of opposite devices.
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| WO/2019/155949 | COMMUNICATION DEVICE AND COMMUNICATION METHOD |
| WO/2018/169357 | DISTRIBUTED FD-MIMO: CELLULAR EVOLUTION FOR 5G AND BEYOND |
Inventors:
UCHIDA SHIGERU (JP)
Application Number:
PCT/JP2018/019131
Publication Date:
November 21, 2019
Filing Date:
May 17, 2018
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H04B7/0413; H04B7/06
Domestic Patent References:
| WO2016152301A1 | 2016-09-29 | |||
| WO2017022112A1 | 2017-02-09 |
Foreign References:
| JP2016525808A | 2016-08-25 | |||
| JP2015185953A | 2015-10-22 | |||
| JP2016519537A | 2016-06-30 |
Other References:
OBARA, TATSUNORI ET AL.: "Effectiveness of Rank Adaptation on High SHF Wide- band Multiuser Massive MIMO Transmission for 5G", PROCEEDINGS OF THE 2016 IEICE GENERAL CONFERENCE: COMMUNICATION 1, 1 March 2016 (2016-03-01), pages 404, XP009523004
See also references of EP 3754861A4
See also references of EP 3754861A4
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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