CN105284078A - 长训练序列生成方法、发送信号方法和装置 - Google Patents

长训练序列生成方法、发送信号方法和装置 Download PDF

Info

Publication number
CN105284078A
CN105284078A CN201380077334.2A CN201380077334A CN105284078A CN 105284078 A CN105284078 A CN 105284078A CN 201380077334 A CN201380077334 A CN 201380077334A CN 105284078 A CN105284078 A CN 105284078A
Authority
CN
China
Prior art keywords
training sequence
long training
sequence
sequences
long
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201380077334.2A
Other languages
English (en)
Other versions
CN105284078B (zh
Inventor
刘亚林
张佳胤
罗毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN105284078A publication Critical patent/CN105284078A/zh
Application granted granted Critical
Publication of CN105284078B publication Critical patent/CN105284078B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0226Channel estimation using sounding signals sounding signals per se
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2689Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2692Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver

Landscapes

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

Abstract

本发明公开了一种长训练序列生成方法、发送信号方法和设备,属于无线通信领域。所述方法包括:根据系统参数和预设序列构造公式,获取多个长训练序列,所述多个长训练序列包括多个基本训练序列和根据所述基本训练序列循环移位得到的多个移位训练序列;配置终端设备与长训练序列之间的映射规则,使得所述终端设备根据所述映射规则选择一个长训练序列作为发送信号的长训练序列。运用本发明,使得接收端能够利用长训练序列优良的自相关特性和互相关特性识别出发送端,同时也可以降低接收端的能耗,提高信道估计的准确度。

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。
CN201380077334.2A 2013-06-27 2013-06-27 长训练序列生成方法、发送信号方法和装置 Active CN105284078B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2013/078200 WO2014205743A1 (zh) 2013-06-27 2013-06-27 长训练序列生成方法、发送信号方法和装置

Publications (2)

Publication Number Publication Date
CN105284078A true CN105284078A (zh) 2016-01-27
CN105284078B CN105284078B (zh) 2019-01-11

Family

ID=52140836

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201380077334.2A Active CN105284078B (zh) 2013-06-27 2013-06-27 长训练序列生成方法、发送信号方法和装置

Country Status (3)

Country Link
US (1) US9917678B2 (zh)
CN (1) CN105284078B (zh)
WO (1) WO2014205743A1 (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113498161A (zh) * 2020-04-07 2021-10-12 华为技术有限公司 一种信息确定方法及通信装置
WO2021249405A1 (zh) * 2020-06-08 2021-12-16 华为技术有限公司 传输/接收物理层协议数据单元的方法和装置
CN116743334A (zh) * 2019-11-15 2023-09-12 华为技术有限公司 传输物理层协议数据单元的方法和装置

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11096128B2 (en) * 2016-11-03 2021-08-17 Qualcomm Incorporated Techniques for signaling and channel design in new radio
CN109150769B (zh) * 2017-06-13 2021-10-22 华为技术有限公司 用于信道估计的方法和设备

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1697356A (zh) * 2004-05-07 2005-11-16 美国博通公司 多入多出无线通信系统的前导信息格式
CN102695264A (zh) * 2011-03-25 2012-09-26 北京新岸线无线技术有限公司 一种实现时间同步的方法及无线通信系统
US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7453793B1 (en) * 2003-04-10 2008-11-18 Qualcomm Incorporated Channel estimation for OFDM communication systems including IEEE 802.11A and extended rate systems
US7233773B2 (en) * 2004-02-13 2007-06-19 Broadcom Corporation Configuring a MIMO communication
US7570619B2 (en) * 2004-02-13 2009-08-04 Broadcom Corporation Long training sequence method and device for wireless communications
US7444134B2 (en) 2004-02-13 2008-10-28 Broadcom Corporation Device and method for transmitting long training sequence for wireless communications
US7423989B2 (en) * 2004-02-13 2008-09-09 Broadcom Corporation Preamble formats for MIMO wireless communications
US7586881B2 (en) * 2004-02-13 2009-09-08 Broadcom Corporation MIMO wireless communication greenfield preamble formats
HUE031812T2 (en) * 2004-05-27 2017-08-28 Qualcomm Inc Modified prefix structure for IEEE 802.11A extensions to enable coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
WO2006002310A2 (en) * 2004-06-22 2006-01-05 Conexant Systems, Inc. Legacy compatible spatial multiplexing systems and methods
US8077592B2 (en) * 2004-06-22 2011-12-13 Intellectual Ventures I Llc Packet processing systems and methods
EP1622290B1 (en) * 2004-07-27 2008-03-05 Broadcom Corporation Method and apparatus for wide bandwidth mixed-mode wireless communications
US8045599B2 (en) * 2005-02-17 2011-10-25 Sony Corporation Selection of training sequences for multiple-in multiple-out transmissions
US7558537B2 (en) * 2005-06-07 2009-07-07 Broadcom Corporation Modified preamble for programmable transmitter
CN101123469B (zh) * 2006-08-08 2011-04-20 中兴通讯股份有限公司 一种地面数字电视广播频道中插入移动通信信号的方法及系统
US8385440B2 (en) * 2008-05-15 2013-02-26 Marvel World Trade Ltd. Apparatus for generating spreading sequences and determining correlation
US8767524B2 (en) 2008-08-19 2014-07-01 Qualcomm Incorporated Training sequences for very high throughput wireless communication
US8693356B2 (en) * 2009-07-16 2014-04-08 Ralink Technology Corp. Method for wireless communication system and device using the same
CA2773681C (en) 2009-12-10 2014-04-08 Lg Electronics Inc. Method and apparatus of transmitting training signal in wireless local area network system
JP6124362B2 (ja) * 2011-11-02 2017-05-10 マーベル ワールド トレード リミテッド 無線ローカルエリアネットワーク(wlan)でデータユニットの物理層(phy)モードを自動的に検出するための方法および装置
US9497000B2 (en) * 2012-02-14 2016-11-15 Lg Electronics Inc. Method for transmitting data units in wireless LAN systems and apparatus for supporting same
CN103326829B (zh) * 2012-03-22 2018-01-02 中兴通讯股份有限公司 信道测量反馈的指示方法及发送站点
US9078237B2 (en) * 2012-04-13 2015-07-07 Intel Corporation Methods and arrangements for orthogonal training sequences in wireless networks
US9319896B2 (en) * 2012-05-03 2016-04-19 MEDIATEK Singapore Ple. Ltd. Beam-change indication for channel estimation improvement in wireless networks

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8743837B2 (en) * 2003-04-10 2014-06-03 Qualcomm Incorporated Modified preamble structure for IEEE 802.11A extensions to allow for coexistence and interoperability between 802.11A devices and higher data rate, MIMO or otherwise extended devices
CN1697356A (zh) * 2004-05-07 2005-11-16 美国博通公司 多入多出无线通信系统的前导信息格式
CN102695264A (zh) * 2011-03-25 2012-09-26 北京新岸线无线技术有限公司 一种实现时间同步的方法及无线通信系统

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116743334A (zh) * 2019-11-15 2023-09-12 华为技术有限公司 传输物理层协议数据单元的方法和装置
CN116743334B (zh) * 2019-11-15 2024-03-01 华为技术有限公司 传输物理层协议数据单元的方法和装置
CN113498161A (zh) * 2020-04-07 2021-10-12 华为技术有限公司 一种信息确定方法及通信装置
WO2021249405A1 (zh) * 2020-06-08 2021-12-16 华为技术有限公司 传输/接收物理层协议数据单元的方法和装置
CN113839752A (zh) * 2020-06-08 2021-12-24 华为技术有限公司 传输/接收物理层协议数据单元的方法和装置
CN113839752B (zh) * 2020-06-08 2023-08-22 华为技术有限公司 传输/接收物理层协议数据单元的方法和装置

Also Published As

Publication number Publication date
WO2014205743A1 (zh) 2014-12-31
US9917678B2 (en) 2018-03-13
CN105284078B (zh) 2019-01-11
US20160080127A1 (en) 2016-03-17

Similar Documents

Publication Publication Date Title
KR102046389B1 (ko) Stf를 이용하여 wlan 패킷들을 자동 검출하기 위한 시스템 및 방법
US9271182B2 (en) Frame formats and timing parameters in sub-1 GHz networks
CN110545165B (zh) 传输he-ltf序列的方法和装置
EP3270537A1 (en) Signaling of packet and signal extensions in he-ppdu data unit in a wireless communication network
EP3266158B1 (en) Support for additional decoding processing time in wireless lan systems
EP3657720A1 (en) Midamble indication and receiving method and apparatus
CN105284078A (zh) 长训练序列生成方法、发送信号方法和装置
CN104640211A (zh) 一种发送和接收数据的方法、系统及设备
TWI415413B (zh) 在無線通訊系統中傳送及接收確認訊號的方法
KR101582508B1 (ko) 1 ghz 미만의 네트워크들에서의 변조 및 코딩 방식들
WO2014067124A1 (zh) 确定控制信道搜索空间的方法和装置
US8774222B2 (en) Method for generating and transmitting frame in a wireless local area network and apparatus for supporting the same
WO2020177674A1 (zh) 信息发送、信息接收方法及装置
KR20110056302A (ko) 주파수 도메인 pn 시퀀스
CN105284174A (zh) 一种随机接入方法、随机接入配置方法、设备及系统
CN105284082A (zh) 传输数据的方法和装置
CN104221316B (zh) 一种用于无线通信的方法、装置及设备
CN105531974A (zh) 无线局域网的帧传输方法和装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant