CN104662945A - 上报信道状态信息的方法、用户设备及基站 - Google Patents

上报信道状态信息的方法、用户设备及基站 Download PDF

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Publication number
CN104662945A
CN104662945A CN201280009841.8A CN201280009841A CN104662945A CN 104662945 A CN104662945 A CN 104662945A CN 201280009841 A CN201280009841 A CN 201280009841A CN 104662945 A CN104662945 A CN 104662945A
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csi
subframe
base station
signaling
resource
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CN201280009841.8A
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CN104662945B (zh
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大卫·马瑞泽
周永行
成艳
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN201910224763.7A priority Critical patent/CN109905222A/zh
Priority to CN201910224751.4A priority patent/CN110034806B/zh
Priority to CN201910224758.6A priority patent/CN110034807A/zh
Priority to CN201910224760.3A priority patent/CN109889248A/zh
Priority to CN201810710552.XA priority patent/CN108599832B/zh
Publication of CN104662945A publication Critical patent/CN104662945A/zh
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    • 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
    • H04B7/0621—Feedback content
    • H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
    • 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
    • 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
    • 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
    • H04B7/0645—Variable feedback
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • 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—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

本发明涉及一种上报信道状态信息的方法、用户设备及基站，通过UE根据非周期CSI触发信令确定信道状态信息测量资源，使得基站仅在需要UE上报非周期CSI时才发送CSI-RS，与现有基站发送周期CSI-RS相比，减少了不必要的CSI-RS发送，节省了基站如eNB的能量；并且减少了CSI-RS的发送可以减少CSI-RS占用的资源，从而能够提高***的频谱效率。另外，减少不必要的CSI-RS发送，使得基站对其他小区的干扰也减少了；最后只在需要反馈CSI的时候才预留CSI测量资源，减少了CSI测量资源占用的开销，提高了***的频谱效率。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN201280009841.8A 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站 Active CN104662945B (zh)

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CN201910224763.7A CN109905222A (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201910224751.4A CN110034806B (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201910224758.6A CN110034807A (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201910224760.3A CN109889248A (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201810710552.XA CN108599832B (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站

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CN201910224751.4A Division CN110034806B (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201810710552.XA Division CN108599832B (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201910224760.3A Division CN109889248A (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
CN201910224763.7A Division CN109905222A (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站

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CN201910224760.3A Pending CN109889248A (zh) 2012-11-12 2012-11-12 上报信道状态信息的方法、用户设备及基站
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