JP7513123B2 - 通信路推定方法および無線通信装置 - Google Patents

通信路推定方法および無線通信装置 Download PDF

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Publication number
JP7513123B2
JP7513123B2 JP2022577833A JP2022577833A JP7513123B2 JP 7513123 B2 JP7513123 B2 JP 7513123B2 JP 2022577833 A JP2022577833 A JP 2022577833A JP 2022577833 A JP2022577833 A JP 2022577833A JP 7513123 B2 JP7513123 B2 JP 7513123B2
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Japan
Prior art keywords
correlation sequence
training
receiving
transmitting
sequence
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JP2022577833A
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English (en)
Japanese (ja)
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JPWO2022162735A1 (https=
JPWO2022162735A5 (https=
Inventor
圭太 栗山
隼人 福園
利文 宮城
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NTT Inc
NTT Inc USA
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Nippon Telegraph and Telephone Corp
NTT Inc USA
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Publication of JPWO2022162735A5 publication Critical patent/JPWO2022162735A5/ja
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0417—Feedback systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0634—Antenna weights or vector/matrix coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
JP2022577833A 2021-01-26 2021-01-26 通信路推定方法および無線通信装置 Active JP7513123B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2021/002670 WO2022162735A1 (ja) 2021-01-26 2021-01-26 通信路推定方法および無線通信装置

Publications (3)

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JPWO2022162735A1 JPWO2022162735A1 (https=) 2022-08-04
JPWO2022162735A5 JPWO2022162735A5 (https=) 2023-09-06
JP7513123B2 true JP7513123B2 (ja) 2024-07-09

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JP2022577833A Active JP7513123B2 (ja) 2021-01-26 2021-01-26 通信路推定方法および無線通信装置

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US (1) US12212383B2 (https=)
JP (1) JP7513123B2 (https=)
WO (1) WO2022162735A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022162739A1 (ja) * 2021-01-26 2022-08-04 日本電信電話株式会社 通信路推定方法および無線通信装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002237766A (ja) 2001-02-08 2002-08-23 Nec Corp 適応アンテナ受信装置
US6470192B1 (en) 1999-08-16 2002-10-22 Telefonaktiebolaget Lm Ericcson (Publ) Method of an apparatus for beam reduction and combining in a radio communications system
JP2015500602A (ja) 2011-12-08 2015-01-05 インターデイジタル パテント ホールディングス インコーポレイテッド ミリ波通信システムの方法および装置
US20170317724A1 (en) 2016-05-02 2017-11-02 Amir Keyvan Khandani Instantaneous beamforming exploiting user physical signatures

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011074031A1 (ja) * 2009-12-16 2011-06-23 株式会社 東芝 無線信号処理装置及び無線装置
CN102412881B (zh) * 2010-09-26 2015-06-17 日电（中国）有限公司 无线通信系统和用于无线通信系统的波束形成训练方法
US11736168B2 (en) * 2019-09-06 2023-08-22 Nippon Telegraph And Telephone Corporation Wireless communication system, wireless communication method, transmitting station device and receiving station device
JPWO2021186699A1 (https=) * 2020-03-19 2021-09-23

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6470192B1 (en) 1999-08-16 2002-10-22 Telefonaktiebolaget Lm Ericcson (Publ) Method of an apparatus for beam reduction and combining in a radio communications system
JP2002237766A (ja) 2001-02-08 2002-08-23 Nec Corp 適応アンテナ受信装置
JP2015500602A (ja) 2011-12-08 2015-01-05 インターデイジタル パテント ホールディングス インコーポレイテッド ミリ波通信システムの方法および装置
US20170317724A1 (en) 2016-05-02 2017-11-02 Amir Keyvan Khandani Instantaneous beamforming exploiting user physical signatures

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
栗山 圭太ほか，FIR型送信ビーム形成と双方向受信等化を適用した広帯域シングルキャリアMIMOシステム，2019年電子情報通信学会総合大会講演論文集 通信1，2019年03月05日，p. 371

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Publication number Publication date
WO2022162735A1 (ja) 2022-08-04
JPWO2022162735A1 (https=) 2022-08-04
US12212383B2 (en) 2025-01-28
US20240305338A1 (en) 2024-09-12

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