CA3048934C - Path loss estimation methods and devices - Google Patents

Path loss estimation methods and devices Download PDF

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Publication number
CA3048934C
CA3048934C CA3048934A CA3048934A CA3048934C CA 3048934 C CA3048934 C CA 3048934C CA 3048934 A CA3048934 A CA 3048934A CA 3048934 A CA3048934 A CA 3048934A CA 3048934 C CA3048934 C CA 3048934C
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CA
Canada
Prior art keywords
path loss
specific
specific signal
downlink cell
estimated path
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Active
Application number
CA3048934A
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English (en)
French (fr)
Other versions
CA3048934A1 (en
Inventor
Zhengwei Gong
Javad ABDOLI
Mohammadhadi Baligh
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.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication date
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Publication of CA3048934A1 publication Critical patent/CA3048934A1/en
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Publication of CA3048934C publication Critical patent/CA3048934C/en
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/391—Modelling the propagation channel
    • H04B17/3911—Fading models or fading generators
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/318—Received signal strength
    • H04B17/327—Received signal code power [RSCP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/30—Monitoring; Testing of propagation channels
    • H04B17/309—Measuring or estimating channel quality parameters
    • H04B17/347—Path loss
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/08—Testing, supervising or monitoring using real traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • 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
    • H04B7/0617—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 for beam forming

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
CA3048934A 2016-12-30 2017-12-25 Path loss estimation methods and devices Active CA3048934C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201662440464P 2016-12-30 2016-12-30
US62/440,464 2016-12-30
PCT/CN2017/118368 WO2018121482A1 (en) 2016-12-30 2017-12-25 Path loss estimation methods and devices

Publications (2)

Publication Number Publication Date
CA3048934A1 CA3048934A1 (en) 2018-07-05
CA3048934C true CA3048934C (en) 2024-01-23

Family

ID=62706930

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3048934A Active CA3048934C (en) 2016-12-30 2017-12-25 Path loss estimation methods and devices

Country Status (8)

Country Link
US (3) US10420036B2 (cg-RX-API-DMAC7.html)
EP (1) EP3563612B1 (cg-RX-API-DMAC7.html)
JP (1) JP6938642B2 (cg-RX-API-DMAC7.html)
KR (1) KR102272681B1 (cg-RX-API-DMAC7.html)
CN (2) CN110121905B (cg-RX-API-DMAC7.html)
BR (1) BR112019013616A2 (cg-RX-API-DMAC7.html)
CA (1) CA3048934C (cg-RX-API-DMAC7.html)
WO (1) WO2018121482A1 (cg-RX-API-DMAC7.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10447513B2 (en) 2017-01-06 2019-10-15 National Instruments Corporation Common phase error (CPE) compensation for frequency division multiplex (FDM) symbols in wireless communication systems
CN110771078B (zh) 2017-04-03 2022-04-15 美国国家仪器有限公司 测量基于ptrs端口选择的无线通信系统
WO2018187977A1 (zh) * 2017-04-12 2018-10-18 Oppo广东移动通信有限公司 上行功率控制方法、设备及系统
WO2018204571A1 (en) 2017-05-05 2018-11-08 National Instruments Corporation Wireless communication system that performs beam reporting based on a combination of reference signal receive power and channel state information metrics
US10567065B2 (en) 2017-08-11 2020-02-18 National Instruments Corporation Radio frequency beam management and failure pre-emption
RU2742603C1 (ru) * 2017-09-11 2021-02-09 Телефонактиеболагет Лм Эрикссон (Пабл) Улучшенные конфигурации фильтрации измерений для администрирования линии радиосвязи и администрирования радиоресурсов
WO2019140692A1 (zh) * 2018-01-22 2019-07-25 北京小米移动软件有限公司 信息配置方法及装置、接收功率的确定方法及装置和基站
US12213081B2 (en) * 2018-09-27 2025-01-28 Samsung Electronics Co., Ltd. Method and device for estimating inter-terminal path loss in wireless communication system
CN112020131B (zh) * 2019-05-31 2022-04-01 大唐移动通信设备有限公司 一种发射功率确定方法、信息传输方法及通信设备
US11160033B2 (en) * 2019-06-18 2021-10-26 Electronics And Telecommunications Research Institute Method and apparatus for controlling transmit power in sidelink communication system
WO2021003626A1 (zh) * 2019-07-05 2021-01-14 北京小米移动软件有限公司 直连通信的发送功率控制方法、装置、设备及存储介质
US11191031B2 (en) 2019-09-15 2021-11-30 Qualcomm Incorporated Path-loss estimation using path-loss reference signal activation and deactivation
US10897740B1 (en) * 2019-10-01 2021-01-19 Qualcomm Incorporated Methods and devices for facilitating path loss estimations for transmit power control
US11178628B2 (en) * 2019-10-31 2021-11-16 National Instruments Corporation Efficient beam sweeping at a mobile device receiver
BR112022008349A2 (pt) * 2019-11-06 2022-08-09 Beijing Xiaomi Mobile Software Co Ltd Método para calcular uma perda de caminho para controle de potência, e, dispositivo emissor
US12256336B2 (en) * 2019-11-08 2025-03-18 Ntt Docomo, Inc. Terminal and a radio communication method in next-generation mobile communication systems
US11611870B2 (en) * 2019-11-20 2023-03-21 Qualcomm Incorporated UE capability reporting for configured and activated pathloss reference signals
US11239927B2 (en) * 2019-11-21 2022-02-01 Qualcomm Incorporated RRC indication to enable pathloss reference signal updates via MAC-CE
US20220417868A1 (en) * 2021-06-24 2022-12-29 Mediatek Inc. Power control on repeaters
WO2025173804A1 (en) * 2024-02-15 2025-08-21 Sharp Kabushiki Kaisha User equipments, base stations and methods

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8428521B2 (en) * 2009-08-04 2013-04-23 Qualcomm Incorporated Control for uplink in MIMO communication system
KR101830738B1 (ko) 2011-02-22 2018-04-04 엘지전자 주식회사 무선 통신 시스템에서 단말의 상향링크 송신 전력 제어 방법 및 이를 위한 장치
CN103621155B (zh) * 2011-06-21 2018-09-28 瑞典爱立信有限公司 用于上行链路发送的发送功率控制的用户设备及其方法
CN102244923B (zh) * 2011-07-25 2018-04-27 中兴通讯股份有限公司 一种上行信号的功率控制方法、网络侧设备及用户设备
US9246558B2 (en) * 2011-09-26 2016-01-26 Samsung Electronics Co., Ltd. CoMP measurement system and method
US9332505B2 (en) * 2011-11-11 2016-05-03 Telefonaktiebolaget L M Ericsson (Publ) Methods and apparatus for performing measurements in adaptive downlink power transmission
KR101631515B1 (ko) * 2012-03-07 2016-06-17 가부시키가이샤 엔티티 도코모 이동 통신들을 위한 물리 및 링크 계층에서의 방법 및 장치
KR101589911B1 (ko) * 2012-08-03 2016-02-18 주식회사 케이티 랜덤 액세스 전력 제어 방법 및 장치
CN104904280A (zh) * 2013-03-27 2015-09-09 富士通株式会社 发送功率确定方法及其装置、通信系统
CN104244392B (zh) * 2013-06-24 2017-12-29 华为技术有限公司 避免d2d传输造成上行干扰的方法、基站和用户设备
JP6313095B2 (ja) * 2014-04-01 2018-04-18 株式会社Ｎｔｔドコモ 基地局
US11116006B2 (en) * 2016-12-16 2021-09-07 Qualcomm Incorporated Uplink transmission parameter selection for random access initial message transmission and retransmission

Also Published As

Publication number Publication date
US10420036B2 (en) 2019-09-17
KR102272681B1 (ko) 2021-07-05
CN110445560B (zh) 2021-03-23
CN110121905A (zh) 2019-08-13
WO2018121482A1 (en) 2018-07-05
US20210235391A1 (en) 2021-07-29
KR20190101434A (ko) 2019-08-30
JP2020515107A (ja) 2020-05-21
CA3048934A1 (en) 2018-07-05
EP3563612B1 (en) 2022-03-23
US20190090205A1 (en) 2019-03-21
EP3563612A1 (en) 2019-11-06
EP3563612A4 (en) 2019-12-18
US20190373563A1 (en) 2019-12-05
CN110445560A (zh) 2019-11-12
BR112019013616A2 (pt) 2020-03-17
CN110121905B (zh) 2023-09-22
JP6938642B2 (ja) 2021-09-22
US10986586B2 (en) 2021-04-20

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