EP3616344A4 - Overhead reduction for linear combination codebook and feedback mechanism in mobile communications - Google Patents

Overhead reduction for linear combination codebook and feedback mechanism in mobile communications Download PDF

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Publication number
EP3616344A4
EP3616344A4 EP18794540.7A EP18794540A EP3616344A4 EP 3616344 A4 EP3616344 A4 EP 3616344A4 EP 18794540 A EP18794540 A EP 18794540A EP 3616344 A4 EP3616344 A4 EP 3616344A4
Authority
EP
European Patent Office
Prior art keywords
mobile communications
linear combination
feedback mechanism
overhead reduction
combination codebook
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18794540.7A
Other languages
German (de)
French (fr)
Other versions
EP3616344A1 (en
Inventor
Weidong Yang
Lung-Sheng Tsai
Chien-Yi Wang
Chiao-Yao CHUANG
Kuhn-Chang Lin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MediaTek Inc
Original Assignee
MediaTek Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US15/865,457 external-priority patent/US10469204B2/en
Application filed by MediaTek Inc filed Critical MediaTek Inc
Publication of EP3616344A1 publication Critical patent/EP3616344A1/en
Publication of EP3616344A4 publication Critical patent/EP3616344A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0641—Differential feedback
    • 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
    • H04B7/0636—Feedback format
    • H04B7/0645—Variable feedback
    • H04B7/065—Variable contents, e.g. long-term or short-short
    • 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
    • H04B7/0658—Feedback reduction
    • H04B7/0663—Feedback reduction using vector or matrix manipulations

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
EP18794540.7A 2017-05-02 2018-05-02 Overhead reduction for linear combination codebook and feedback mechanism in mobile communications Withdrawn EP3616344A4 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201762492977P 2017-05-02 2017-05-02
US201762501139P 2017-05-04 2017-05-04
US15/865,457 US10469204B2 (en) 2017-01-09 2018-01-09 Techniques of CSI feedback with unequal error protection messages
PCT/CN2018/085369 WO2018202055A1 (en) 2017-05-02 2018-05-02 Overhead reduction for linear combination codebook and feedback mechanism in mobile communications

Publications (2)

Publication Number Publication Date
EP3616344A1 EP3616344A1 (en) 2020-03-04
EP3616344A4 true EP3616344A4 (en) 2020-07-01

Family

ID=64016357

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18794540.7A Withdrawn EP3616344A4 (en) 2017-05-02 2018-05-02 Overhead reduction for linear combination codebook and feedback mechanism in mobile communications

Country Status (4)

Country Link
EP (1) EP3616344A4 (en)
CN (1) CN109219935B (en)
TW (1) TWI674775B (en)
WO (1) WO2018202055A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020150854A1 (en) * 2019-01-21 2020-07-30 Qualcomm Incorporated Feedback overhead reduction
EP3920431A4 (en) * 2019-02-03 2022-04-06 Datang Mobile Communications Equipment Co., Ltd. Channel state information reporting method, receiving method, terminal, and network-side device
CN111525947B (en) * 2019-02-03 2021-11-12 大唐移动通信设备有限公司 Method for reporting channel state information, method for receiving channel state information, terminal and network side equipment
CN111726154B (en) * 2019-03-21 2022-04-01 大唐移动通信设备有限公司 Method and equipment for reporting channel state information
CN111757382B (en) * 2019-03-27 2022-05-13 华为技术有限公司 Method for indicating channel state information and communication device
WO2020220374A1 (en) * 2019-05-02 2020-11-05 Qualcomm Incorporated Coefficient determination for type-ii compressed csi reporting with reduced overhead
EP4014338A1 (en) * 2019-08-16 2022-06-22 Nokia Technologies Oy Apparatus, method and computer program for uplink control signalling
WO2022236785A1 (en) * 2021-05-13 2022-11-17 Oppo广东移动通信有限公司 Channel information feedback method, receiving end device, and transmitting end device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120051238A1 (en) * 2010-08-26 2012-03-01 Yehuda Azenkot System and method for throughput enhancement
US20160072562A1 (en) * 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
WO2016068628A1 (en) * 2014-10-31 2016-05-06 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
WO2017183905A2 (en) * 2016-04-19 2017-10-26 Samsung Electronics Co., Ltd. Method and apparatus for explicit csi reporting in advanced wireless communication systems
EP3605868A2 (en) * 2017-03-23 2020-02-05 LG Electronics Inc. -1- Method for transmitting or receiving channel state information in wireless communication system and apparatus therefor

Family Cites Families (12)

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JP2008544726A (en) * 2005-06-27 2008-12-04 クゥアルコム・フラリオン・テクノロジーズ、インコーポレイテッド Method and apparatus for implementing and / or using an amplifier and performing various amplification-related operations
US20070211813A1 (en) * 2006-03-10 2007-09-13 Shilpa Talwar MIMO precoding in the presence of co-channel interference
KR101231339B1 (en) * 2006-08-09 2013-02-07 엘지전자 주식회사 Method for estimating signal-to-noise ratio, method for determining adaptive modualation and coding scheme and receiver
US8213368B2 (en) * 2007-07-13 2012-07-03 Telefonaktiebolaget Lm Ericsson (Publ) Adaptive compression of channel feedback based on second order channel statistics
CN103036839B (en) * 2007-08-20 2015-09-30 瑞登有限责任公司 MU-MAS, wireless client device and the method implemented in MU-MAS
US8208397B2 (en) * 2009-04-24 2012-06-26 Telefonaktiebolaget L M Ericsson (Publ) Efficient uplink transmission of channel state information
US20110310870A1 (en) * 2010-06-21 2011-12-22 Qualcomm Incorporated Hybrid time and frequency domain csi feedback scheme
US9673945B2 (en) * 2011-02-18 2017-06-06 Qualcomm Incorporated Implicitly linking aperiodic channel state information (A-CSI) reports to CSI-reference signal (CSI-RS) resources
JP2014027626A (en) * 2012-07-30 2014-02-06 Sharp Corp Communication system, communication method, base station device, and mobile station device
EP3017541B1 (en) * 2013-07-05 2019-08-21 MediaTek Singapore Pte Ltd. Integrated circuit wireless communication unit and method for providing a power supply
US9654195B2 (en) * 2014-11-17 2017-05-16 Samsung Electronics Co., Ltd. Methods to calculate linear combination pre-coders for MIMO wireless communication systems
CN106455091B (en) * 2015-08-13 2021-10-19 中兴通讯股份有限公司 Method and device for reporting Channel State Information (CSI)

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120051238A1 (en) * 2010-08-26 2012-03-01 Yehuda Azenkot System and method for throughput enhancement
US20160072562A1 (en) * 2014-09-10 2016-03-10 Samsung Electronics Co., Ltd. Channel state information reporting with basis expansion for advanced wireless communications systems
WO2016068628A1 (en) * 2014-10-31 2016-05-06 Samsung Electronics Co., Ltd. Codebook design and structure for advanced wireless communication systems
WO2017183905A2 (en) * 2016-04-19 2017-10-26 Samsung Electronics Co., Ltd. Method and apparatus for explicit csi reporting in advanced wireless communication systems
EP3605868A2 (en) * 2017-03-23 2020-02-05 LG Electronics Inc. -1- Method for transmitting or receiving channel state information in wireless communication system and apparatus therefor

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ERICSSON: "Type II CSI feedback", vol. RAN WG1, no. Spokane; 20170403 - 20170407, 25 March 2017 (2017-03-25), XP051252230, Retrieved from the Internet <URL:http://www.3gpp.org/ftp/tsg_ran/WG1_RL1/TSGR1_88b/Docs/> [retrieved on 20170325] *
See also references of WO2018202055A1 *

Also Published As

Publication number Publication date
WO2018202055A1 (en) 2018-11-08
EP3616344A1 (en) 2020-03-04
TWI674775B (en) 2019-10-11
CN109219935B (en) 2021-07-23
CN109219935A (en) 2019-01-15
TW201843965A (en) 2018-12-16

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