CN109219968A - 一种csi-rs传输方法及网络设备 - Google Patents

一种csi-rs传输方法及网络设备 Download PDF

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Publication number
CN109219968A
CN109219968A CN201680086389.3A CN201680086389A CN109219968A CN 109219968 A CN109219968 A CN 109219968A CN 201680086389 A CN201680086389 A CN 201680086389A CN 109219968 A CN109219968 A CN 109219968A
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rru
csi
antenna port
predetermined condition
network equipment
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CN201680086389.3A
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CN109219968B (zh
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赵晶
赵微
钱丰勇
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • 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
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • 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
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • 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

Abstract

一种CSI‑RS传输方法及网络设备，用于解决在发送CSI‑RS时导频资源开销过大的技术问题，以减少发送CSI‑RS的所占用的导频传输资源，以减少导频的传输开销。该方法包括：网络设备确定M个射频拉远单元RRU分别用于向同一用户设备发送CSI‑RS的M个天线端口数中的至少两个天线端口数不相等，以及指示所述M个RRU在N个资源单元上发送P个CSI‑RS；其中，所述N个资源单元中的至少一个资源单元承载所述P个CSI‑RS中的至少两个CSI‑RS的内容，所述P个CSI‑RS为所述M个RRU中的P个RRU分别发送的CSI‑RS，M为大于等于2的整数，P为小于等于M的整数N为正整数。

Description

PCT国内申请，说明书已公开。

Claims (16)

  1. PCT国内申请，权利要求书已公开。
CN201680086389.3A 2016-07-29 2016-07-29 一种csi-rs传输方法及网络设备 Active CN109219968B (zh)

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PCT/CN2016/092425 WO2018018633A1 (zh) 2016-07-29 2016-07-29 一种csi-rs传输方法及网络设备

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US (1) US10939323B2 (zh)
EP (1) EP3468243B1 (zh)
JP (1) JP6739765B2 (zh)
CN (1) CN109219968B (zh)
WO (1) WO2018018633A1 (zh)

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EP3468243A1 (en) 2019-04-10
JP2019527970A (ja) 2019-10-03
US20190159066A1 (en) 2019-05-23
EP3468243B1 (en) 2021-06-30
US10939323B2 (en) 2021-03-02
WO2018018633A1 (zh) 2018-02-01
EP3468243A4 (en) 2019-05-01
JP6739765B2 (ja) 2020-08-12
CN109219968B (zh) 2020-09-29

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