CN107078783A - 传输信息的方法、接入点和用户设备 - Google Patents

传输信息的方法、接入点和用户设备 Download PDF

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CN107078783A
CN107078783A CN201480082997.8A CN201480082997A CN107078783A CN 107078783 A CN107078783 A CN 107078783A CN 201480082997 A CN201480082997 A CN 201480082997A CN 107078783 A CN107078783 A CN 107078783A
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long training
training field
additional long
ofdm symbol
user equipment
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CN107078783B (zh
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卢伟山
于健
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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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • 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
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
    • 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
    • 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
    • H04B7/0452—Multi-user MIMO 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
    • H04L1/0001—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
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • 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
    • H04L5/0014—Three-dimensional division
    • H04L5/0023—Time-frequency-space

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

Abstract

本发明公开了一种传输信息的方法、接入点和用户设备，该方法包括：确定用于下行传输的频带的最大正交频分复用OFDM符号数，该频带的最大OFDM符号数为该频带内的所有子带的最大OFDM符号数的最大值；根据用户设备所属的子带的最大OFDM符号数和该频带的最大OFDM符号数的大小关系，确定用于指示是否向该用户设备发送附加长训练字段的附加长训练字段指示信息；向该用户设备发送指示消息，该指示消息包括该附加长训练字段指示信息。本发明实施例的方法和装置，在数据传输过程中能够采用传输附加长训练字段的方法，减少数据传输过程中填充零的开销，提高频带资源的利用率，提高数据传输的可靠性。

Description

PCT国内申请，说明书已公开。

Claims (60)

  1. PCT国内申请，权利要求书已公开。
CN201480082997.8A 2014-11-07 2014-11-07 传输信息的方法、接入点和用户设备 Active CN107078783B (zh)

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PCT/CN2014/090533 WO2016070395A1 (zh) 2014-11-07 2014-11-07 传输信息的方法、接入点和用户设备

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CN107078783A true CN107078783A (zh) 2017-08-18
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US (1) US10305572B2 (zh)
EP (1) EP3208948B1 (zh)
JP (1) JP6430641B2 (zh)
KR (1) KR20170077199A (zh)
CN (1) CN107078783B (zh)
SG (1) SG11201703603XA (zh)
WO (1) WO2016070395A1 (zh)

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CN111586681A (zh) * 2020-05-29 2020-08-25 上海英哈科技有限公司 具有两个iSIM和网络相关OFDM调制接口的移动无线通信设备

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CN103986682A (zh) * 2014-05-30 2014-08-13 江苏中兴微通信息科技有限公司 一种无线mimo通信系统的信令字段及其通信方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111586681A (zh) * 2020-05-29 2020-08-25 上海英哈科技有限公司 具有两个iSIM和网络相关OFDM调制接口的移动无线通信设备
CN111586681B (zh) * 2020-05-29 2023-12-22 上海英哈科技有限公司 具有两个iSIM和网络相关OFDM调制接口的移动无线通信设备

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Publication number Publication date
EP3208948A4 (en) 2017-09-27
KR20170077199A (ko) 2017-07-05
JP6430641B2 (ja) 2018-11-28
WO2016070395A1 (zh) 2016-05-12
EP3208948B1 (en) 2018-09-05
SG11201703603XA (en) 2017-06-29
JP2017539146A (ja) 2017-12-28
EP3208948A1 (en) 2017-08-23
CN107078783B (zh) 2020-09-11
US20170244466A1 (en) 2017-08-24
US10305572B2 (en) 2019-05-28

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