KR101855944B1 - 기지국의 다운링크 송신 경로의 교정 - Google Patents

기지국의 다운링크 송신 경로의 교정 Download PDF

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Publication number
KR101855944B1
KR101855944B1 KR1020157024391A KR20157024391A KR101855944B1 KR 101855944 B1 KR101855944 B1 KR 101855944B1 KR 1020157024391 A KR1020157024391 A KR 1020157024391A KR 20157024391 A KR20157024391 A KR 20157024391A KR 101855944 B1 KR101855944 B1 KR 101855944B1
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South Korea
Prior art keywords
base station
subframe
calibrating
transmission path
calibration
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Expired - Fee Related
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KR1020157024391A
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English (en)
Korean (ko)
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KR20150115941A (ko
Inventor
맥심 고트만
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퀄컴 인코포레이티드
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/14—Monitoring; Testing of transmitters for calibration of the whole transmission and reception path, e.g. self-test loop-back
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/10—Monitoring; Testing of transmitters
    • H04B17/11—Monitoring; Testing of transmitters for calibration
    • H04B17/12—Monitoring; Testing of transmitters for calibration of transmit antennas, e.g. of the amplitude or phase
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/20—Monitoring; Testing of receivers
    • H04B17/24—Monitoring; Testing of receivers with feedback of measurements to the transmitter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/24—Testing correct operation
    • H04L1/242—Testing correct operation by comparing a transmitted test signal with a locally generated replica
    • H04L1/243—Testing correct operation by comparing a transmitted test signal with a locally generated replica at the transmitter, using a loop-back
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • 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
    • H04W52/08—Closed loop power control

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020157024391A 2013-02-13 2014-02-05 기지국의 다운링크 송신 경로의 교정 Expired - Fee Related KR101855944B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361764169P 2013-02-13 2013-02-13
US61/764,169 2013-02-13
US14/172,670 2014-02-04
US14/172,670 US9596676B2 (en) 2013-02-13 2014-02-04 Calibration of a downlink transmit path of a base station
PCT/US2014/014837 WO2014126761A1 (en) 2013-02-13 2014-02-05 Calibration of a downlink transmit path of a base station

Publications (2)

Publication Number Publication Date
KR20150115941A KR20150115941A (ko) 2015-10-14
KR101855944B1 true KR101855944B1 (ko) 2018-06-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020157024391A Expired - Fee Related KR101855944B1 (ko) 2013-02-13 2014-02-05 기지국의 다운링크 송신 경로의 교정

Country Status (6)

Country Link
US (1) US9596676B2 (enExample)
EP (1) EP2957056B1 (enExample)
JP (1) JP6262256B2 (enExample)
KR (1) KR101855944B1 (enExample)
CN (1) CN105075164B (enExample)
WO (1) WO2014126761A1 (enExample)

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US20160212677A1 (en) * 2015-01-20 2016-07-21 Qualcomm Incorporated Combined wwan and wlan signal path calibration
JP6557874B2 (ja) * 2015-05-25 2019-08-14 パナソニックＩｐマネジメント株式会社 無線通信装置および無線通信方法
US11005576B2 (en) 2016-09-02 2021-05-11 Qualcomm Incorporated Signaling mechanism to enable local operation for multi-antenna wireless communication systems
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WO2018203104A1 (en) * 2017-05-01 2018-11-08 Telefonaktiebolaget Lm Ericsson (Publ) Subframe handling for extra-standard information in ofdm
KR102360495B1 (ko) * 2017-05-31 2022-02-09 삼성전자주식회사 캘리브레이션을 위한 방법 및 그 전자 장치
US10511357B2 (en) 2017-12-12 2019-12-17 At&T Intellectual Property I, L.P. Detection scheme utilizing transmitter-supplied non-linearity data in the presence of transmitter non-linearity
US20190222326A1 (en) * 2018-01-15 2019-07-18 Qualcomm Incorporated Scheduling for power amplifier characterization
US10432240B1 (en) 2018-05-22 2019-10-01 Micron Technology, Inc. Wireless devices and systems including examples of compensating power amplifier noise
US11646806B2 (en) 2018-06-14 2023-05-09 Qualcomm Incorporated Determining a time gap for calibration based on a user equipment identifier
EP3623833A1 (en) * 2018-09-11 2020-03-18 Volkswagen Aktiengesellschaft Apparatus, method and computer program for a mobile transceiver and for a base station transceiver
US10713209B2 (en) * 2019-02-08 2020-07-14 Intel Corporation Recalibration of PHY circuitry for the PCI Express (PIPE) interface based on using a message bus interface
US10763905B1 (en) * 2019-06-07 2020-09-01 Micron Technology, Inc. Wireless devices and systems including examples of mismatch correction scheme
US10972139B1 (en) 2020-04-15 2021-04-06 Micron Technology, Inc. Wireless devices and systems including examples of compensating power amplifier noise with neural networks or recurrent neural networks
US11665026B2 (en) * 2020-04-17 2023-05-30 Qualcomm Incorporated Inphase and quadrature mismatch estimation pilot signaling
US11496341B2 (en) 2020-08-13 2022-11-08 Micron Technology, Inc. Wireless devices and systems including examples of compensating I/Q imbalance with neural networks or recurrent neural networks
US12206441B2 (en) 2022-03-31 2025-01-21 Dell Products L.P. Detection and cancellation of unwanted signals in a wireless communication radio unit
US12224782B2 (en) 2022-04-14 2025-02-11 Dell Products L.P. Detection, cancellation, and evaluation of signals in a wireless communication radio unit
US12003280B2 (en) 2022-04-22 2024-06-04 Dell Products L.P. Analog domain loopback modes
US12362839B2 (en) * 2022-10-27 2025-07-15 Qualcomm Incorporated Online calibration with phase or signal strength measurements
CN120595240A (zh) * 2023-06-14 2025-09-05 加特兰微电子科技(上海)有限公司 接收信号补偿方法、装置、集成电路及无线电器件

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Also Published As

Publication number Publication date
US20140226511A1 (en) 2014-08-14
CN105075164A (zh) 2015-11-18
EP2957056A1 (en) 2015-12-23
EP2957056B1 (en) 2017-05-10
US9596676B2 (en) 2017-03-14
WO2014126761A1 (en) 2014-08-21
CN105075164B (zh) 2018-07-24
KR20150115941A (ko) 2015-10-14
JP6262256B2 (ja) 2018-01-17
JP2016511985A (ja) 2016-04-21

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