CN104919737B - 长期演进（lte）中的基于内插的信道状态信息（csi）增强 - Google Patents

长期演进（lte）中的基于内插的信道状态信息（csi）增强 Download PDF

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CN104919737B
CN104919737B CN201480004514.2A CN201480004514A CN104919737B CN 104919737 B CN104919737 B CN 104919737B CN 201480004514 A CN201480004514 A CN 201480004514A CN 104919737 B CN104919737 B CN 104919737B
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channel
frequency location
frequency
transmission point
enb
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CN104919737A (zh
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S·盖尔霍费尔
P·加尔
N·布尚
A·巴尔别里
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Qualcomm Inc
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Qualcomm Inc
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    • 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
    • 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
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems
    • 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
    • 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
    • H04B7/066—Combined feedback for a number of channels, e.g. over several subcarriers like in orthogonal frequency division multiplexing [OFDM]
    • 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
    • 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
    • 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
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • 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
    • H04L1/0001—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
    • H04L1/0032—Without explicit signalling
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
CN201480004514.2A 2013-01-18 2014-01-16 长期演进（lte）中的基于内插的信道状态信息（csi）增强 Active CN104919737B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361754135P 2013-01-18 2013-01-18
US61/754,135 2013-01-18
US14/155,661 2014-01-15
US14/155,661 US9503924B2 (en) 2013-01-18 2014-01-15 Interpolation-based channel state information (CSI) enhancements in long-term evolution (LTE)
PCT/US2014/011770 WO2014113523A1 (en) 2013-01-18 2014-01-16 Interpolation-based channel state information (csi) ehancements in long-term evolution (lte)

Publications (2)

Publication Number Publication Date
CN104919737A CN104919737A (zh) 2015-09-16
CN104919737B true CN104919737B (zh) 2019-06-11

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Country Status (6)

Country Link
US (1) US9503924B2 (enExample)
EP (1) EP2946510B1 (enExample)
JP (2) JP6580492B2 (enExample)
KR (1) KR20150107776A (enExample)
CN (1) CN104919737B (enExample)
WO (1) WO2014113523A1 (enExample)

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US10396914B2 (en) * 2017-01-19 2019-08-27 Qualcomm Incorporated Reference signal measurement filtering in multi-beam operation
US11785565B2 (en) * 2017-04-14 2023-10-10 Qualcomm Incorporated Band-dependent configuration for synchronization
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US10834689B2 (en) * 2017-08-15 2020-11-10 At&T Intellectual Property I, L.P. Base station wireless channel sounding
BR112020012596A2 (pt) * 2017-12-28 2020-11-24 Beijing Xiaomi Mobile Software Co., Ltd. método e aparelho de determinação de perda de caminho
US10812216B2 (en) 2018-11-05 2020-10-20 XCOM Labs, Inc. Cooperative multiple-input multiple-output downlink scheduling
CN113016147B (zh) * 2018-11-05 2025-05-13 艾斯康实验室公司 协作式多输入多输出下行链路调度
US10659112B1 (en) 2018-11-05 2020-05-19 XCOM Labs, Inc. User equipment assisted multiple-input multiple-output downlink configuration
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US11750258B2 (en) * 2020-03-12 2023-09-05 Samsung Electronics Co., Ltd. Method and apparatus for CSI reporting
US11973618B2 (en) * 2020-08-13 2024-04-30 Intel Corporation Algorithm and architecture for channel estimation in 5G new radio
CN116391366B (zh) * 2020-10-30 2025-05-13 紫金山实验室 终端定位方法、装置、计算机设备和存储介质
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Also Published As

Publication number Publication date
WO2014113523A1 (en) 2014-07-24
JP2016509798A (ja) 2016-03-31
JP2018117352A (ja) 2018-07-26
EP2946510B1 (en) 2023-05-10
EP2946510A1 (en) 2015-11-25
CN104919737A (zh) 2015-09-16
JP6580492B2 (ja) 2019-09-25
KR20150107776A (ko) 2015-09-23
US20140204782A1 (en) 2014-07-24
US9503924B2 (en) 2016-11-22
JP6462912B2 (ja) 2019-01-30

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