CA3049691C - Reference signal and tx/rx precoding for ue multiplexing in nr ss - Google Patents

Reference signal and tx/rx precoding for ue multiplexing in nr ss Download PDF

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Publication number
CA3049691C
CA3049691C CA3049691A CA3049691A CA3049691C CA 3049691 C CA3049691 C CA 3049691C CA 3049691 A CA3049691 A CA 3049691A CA 3049691 A CA3049691 A CA 3049691A CA 3049691 C CA3049691 C CA 3049691C
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CA
Canada
Prior art keywords
base station
ues
uplink reference
multiplexing
reference signals
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Active
Application number
CA3049691A
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English (en)
French (fr)
Other versions
CA3049691A1 (en
Inventor
Seyed Ali Akbar Fakoorian
Xiaoxia Zhang
Taesang Yoo
Siddhartha Mallik
Juan Montojo
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.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
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Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Publication of CA3049691A1 publication Critical patent/CA3049691A1/en
Application granted granted Critical
Publication of CA3049691C publication Critical patent/CA3049691C/en
Active legal-status Critical Current
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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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • 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
    • H04B7/0837—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using pre-detection combining
    • H04B7/0842—Weighted combining
    • H04B7/0848—Joint weighting
    • H04B7/0854—Joint weighting using error minimizing algorithms, e.g. minimum mean squared error [MMSE], "cross-correlation" or matrix inversion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
CA3049691A 2017-02-21 2018-02-20 Reference signal and tx/rx precoding for ue multiplexing in nr ss Active CA3049691C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201762461510P 2017-02-21 2017-02-21
US62/461,510 2017-02-21
US15/932,312 2018-02-16
US15/932,312 US10333595B2 (en) 2017-02-21 2018-02-16 Reference signal and Tx/Rx precoding for UE multiplexing in NR SS
PCT/US2018/018814 WO2018156515A1 (en) 2017-02-21 2018-02-20 Reference signal and tx/rx precoding for ue multiplexing in nr ss

Publications (2)

Publication Number Publication Date
CA3049691A1 CA3049691A1 (en) 2018-08-30
CA3049691C true CA3049691C (en) 2024-02-06

Family

ID=61563499

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3049691A Active CA3049691C (en) 2017-02-21 2018-02-20 Reference signal and tx/rx precoding for ue multiplexing in nr ss

Country Status (10)

Country Link
US (2) US10333595B2 (https=)
EP (2) EP3586448B1 (https=)
JP (2) JP6980798B2 (https=)
KR (1) KR102532838B1 (https=)
CN (1) CN110366826B (https=)
BR (1) BR112019017262A2 (https=)
CA (1) CA3049691C (https=)
ES (1) ES2898369T3 (https=)
TW (1) TWI740003B (https=)
WO (1) WO2018156515A1 (https=)

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WO2020112840A1 (en) 2018-11-27 2020-06-04 XCOM Labs, Inc. Non-coherent cooperative multiple-input multiple-output communications
US11621870B2 (en) * 2020-04-07 2023-04-04 Qualcomm Incorporated Sounding reference signal (SRS) transmission for positioning on flexible symbols
KR20230008750A (ko) 2020-04-15 2023-01-16 엑스콤 랩스 인코퍼레이티드 무선 네트워크 멀티포인트 연관 및 다양성
CA3178604A1 (en) 2020-05-26 2021-12-02 XCOM Labs, Inc. Interference-aware beamforming
KR102874769B1 (ko) 2020-06-18 2025-10-23 삼성전자주식회사 무선 통신 시스템에서 스펙트럼 공유를 위한 장치 및 방법
US11552684B2 (en) * 2020-08-31 2023-01-10 Qualcomm Incorporated Techniques for reordering antenna order to avoid transmit blanking
US12160331B2 (en) * 2020-09-07 2024-12-03 Qualcomm Incorporated Pre-equalization and power control for over-the-air model aggregation in federated learning
WO2022087766A1 (en) * 2020-10-26 2022-05-05 Qualcomm Incorporated Channel state information acquisition for holographic multiple-input multiple-output
WO2022093988A1 (en) 2020-10-30 2022-05-05 XCOM Labs, Inc. Clustering and/or rate selection in multiple-input multiple-output communication systems
CN112073156B (zh) * 2020-11-11 2021-03-26 电子科技大学 一种高维非正交传输方法
EP4264852A4 (en) 2020-12-16 2025-02-05 Xcom Labs, Inc. WIRELESS COMMUNICATION WITH QUASI-OMNI AND DIRECTED BEAMS
US11923944B2 (en) 2021-06-04 2024-03-05 Samsung Electronics Co., Ltd. Method and apparatus for frequency selective UL precoding
WO2023188125A1 (ja) * 2022-03-30 2023-10-05 株式会社Ｎｔｔドコモ 端末、無線通信方法及び基地局
US11876585B1 (en) * 2022-09-21 2024-01-16 Qualcomm Incorporated Modified singular-value decomposition signal-to-leakage ratio precoding for multiple-input and multiple-output systems
WO2024086526A1 (en) * 2022-10-21 2024-04-25 Qualcomm Incorporated Techniques for selecting resources for joint communication and radar signals in wireless communications
WO2025260294A1 (en) * 2024-06-19 2025-12-26 Nvidia Corporation Wireless cell identification

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Also Published As

Publication number Publication date
US20180241446A1 (en) 2018-08-23
KR102532838B1 (ko) 2023-05-15
US10833739B2 (en) 2020-11-10
KR20190117538A (ko) 2019-10-16
JP2020511047A (ja) 2020-04-09
JP6980798B2 (ja) 2021-12-15
EP3934118B1 (en) 2023-10-11
ES2898369T3 (es) 2022-03-07
TWI740003B (zh) 2021-09-21
WO2018156515A1 (en) 2018-08-30
BR112019017262A2 (pt) 2020-04-14
EP3586448A1 (en) 2020-01-01
EP3934118C0 (en) 2023-10-11
EP3934118A1 (en) 2022-01-05
US10333595B2 (en) 2019-06-25
CA3049691A1 (en) 2018-08-30
JP2022031738A (ja) 2022-02-22
US20190305834A1 (en) 2019-10-03
JP7504071B2 (ja) 2024-06-21
EP3586448B1 (en) 2021-10-13
EP3934118B9 (en) 2024-05-29
TW201838457A (zh) 2018-10-16
CN110366826B (zh) 2022-09-27
CN110366826A (zh) 2019-10-22

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