CN109314616A - 一种信道估计方法、相关设备及系统 - Google Patents

一种信道估计方法、相关设备及系统 Download PDF

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Publication number
CN109314616A
CN109314616A CN201680086274.4A CN201680086274A CN109314616A CN 109314616 A CN109314616 A CN 109314616A CN 201680086274 A CN201680086274 A CN 201680086274A CN 109314616 A CN109314616 A CN 109314616A
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CN
China
Prior art keywords
crs
terminal
impaired
channel estimation
bandwidth
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CN201680086274.4A
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English (en)
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CN109314616B (zh
Inventor
贺宁
叶济宇
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN109314616A publication Critical patent/CN109314616A/zh
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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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • 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
    • 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
    • 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
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/04—Error control
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • 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
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload

Landscapes

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

Abstract

本发明实施例公开一种信道估计方法、相关设备及系统，该方法包括：在目标资源块RB内的多个小区测量参考信号CRS中存在受损的CRS的情况下，所述目标RB为被压缩的标准带宽中的RB；终端使用所述多个CRS中未受损的CRS做信道估计，不使用所述多个CRS中受损的CRS做信道估计。采用本发明实施例，能够提高信道估计的准确度，解决了基于该信道估计结果进行的数据解调业务的解调结果误差较大的问题。

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。
CN201680086274.4A 2016-06-01 2016-06-01 一种信道估计方法、相关设备及系统 Active CN109314616B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/084301 WO2017206103A1 (zh) 2016-06-01 2016-06-01 一种信道估计方法、相关设备及系统

Publications (2)

Publication Number Publication Date
CN109314616A true CN109314616A (zh) 2019-02-05
CN109314616B CN109314616B (zh) 2021-04-20

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Country Status (4)

Country Link
US (1) US10778474B2 (zh)
EP (1) EP3457610B1 (zh)
CN (1) CN109314616B (zh)
WO (1) WO2017206103A1 (zh)

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Also Published As

Publication number Publication date
WO2017206103A1 (zh) 2017-12-07
EP3457610A4 (en) 2019-05-29
CN109314616B (zh) 2021-04-20
EP3457610A1 (en) 2019-03-20
EP3457610B1 (en) 2023-01-18
US20190097844A1 (en) 2019-03-28
US10778474B2 (en) 2020-09-15

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