KR102985484B1 - 인접 셀들로부터의 경로 손실 또는 공간 송신 qcl(quasi-collocation) 기준이 포지셔닝을 위한 srs(sounding reference signals)에 대해 실패할 때의 폴백 절차들 - Google Patents

인접 셀들로부터의 경로 손실 또는 공간 송신 qcl(quasi-collocation) 기준이 포지셔닝을 위한 srs(sounding reference signals)에 대해 실패할 때의 폴백 절차들

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Publication number
KR102985484B1
KR102985484B1 KR1020217037013A KR20217037013A KR102985484B1 KR 102985484 B1 KR102985484 B1 KR 102985484B1 KR 1020217037013 A KR1020217037013 A KR 1020217037013A KR 20217037013 A KR20217037013 A KR 20217037013A KR 102985484 B1 KR102985484 B1 KR 102985484B1
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South Korea
Prior art keywords
reference signal
downlink
downlink reference
uplink
path loss
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Korean (ko)
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KR20220009387A (ko
Inventor
알렉산드로스 마놀라코스
소니 아카라카란
스벤 피셔
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퀄컴 인코포레이티드
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/0205—Details
    • G01S5/0226—Transmitters
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
    • 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
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • 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]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020217037013A 2019-05-20 2020-05-19 인접 셀들로부터의 경로 손실 또는 공간 송신 qcl(quasi-collocation) 기준이 포지셔닝을 위한 srs(sounding reference signals)에 대해 실패할 때의 폴백 절차들 Active KR102985484B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201962850503P 2019-05-20 2019-05-20
US62/850,503 2019-05-20
US16/876,851 US10856236B1 (en) 2019-05-20 2020-05-18 Fallback procedures when the path loss or spatial transmit quasi-collocation (QCL) reference from neighboring cells is failing for sounding reference signals (SRS) for positioning
US16/876,851 2020-05-18
PCT/US2020/033537 WO2020236780A1 (en) 2019-05-20 2020-05-19 Fallback procedures when the path loss or spatial transmit quasi-collocation (qcl) reference from neighboring cells is failing for sounding reference signals (srs) for positioning

Publications (2)

Publication Number Publication Date
KR20220009387A KR20220009387A (ko) 2022-01-24
KR102985484B1 true KR102985484B1 (ko) 2026-07-01

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KR1020217037013A Active KR102985484B1 (ko) 2019-05-20 2020-05-19 인접 셀들로부터의 경로 손실 또는 공간 송신 qcl(quasi-collocation) 기준이 포지셔닝을 위한 srs(sounding reference signals)에 대해 실패할 때의 폴백 절차들

Country Status (8)

Country Link
US (4) US10856236B1 (enExample)
EP (2) EP4450997A3 (enExample)
JP (2) JP7624408B2 (enExample)
KR (1) KR102985484B1 (enExample)
CN (3) CN119521364A (enExample)
AU (1) AU2020279221B2 (enExample)
PH (1) PH12021552686A1 (enExample)
WO (1) WO2020236780A1 (enExample)

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WO2020236780A1 (en) 2020-11-26
US20200374806A1 (en) 2020-11-26
US20210051597A1 (en) 2021-02-18
CN119521364A (zh) 2025-02-25
CN113841447A (zh) 2021-12-24
CN119521363A (zh) 2025-02-25
EP4450997A2 (en) 2024-10-23
CN113841447B (zh) 2024-10-29
US12696196B2 (en) 2026-07-28
JP2022533965A (ja) 2022-07-27
US11470561B2 (en) 2022-10-11
US20250330914A1 (en) 2025-10-23
EP3973736C0 (en) 2024-10-09
US20220272639A1 (en) 2022-08-25
JP7624408B2 (ja) 2025-01-30
EP3973736B1 (en) 2024-10-09
US10856236B1 (en) 2020-12-01
EP3973736A1 (en) 2022-03-30
JP2025069206A (ja) 2025-04-30
JP7771442B2 (ja) 2025-11-17
KR20220009387A (ko) 2022-01-24
AU2020279221A1 (en) 2021-11-25
EP4450997A3 (en) 2025-01-15
BR112021022561A2 (pt) 2021-12-28
AU2020279221B2 (en) 2025-08-14
PH12021552686A1 (en) 2022-03-14

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