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 PDFInfo
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- 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
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- Prior art keywords
- training sequence
- long training
- sequence
- sequences
- long
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- 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
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- 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
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- 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
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
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- 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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2692—Link 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
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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
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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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
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)
- PCT国内申请,权利要求书已公开。
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)
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)
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)
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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 |
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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 |
-
2013
- 2013-06-27 CN CN201380077334.2A patent/CN105284078B/zh active Active
- 2013-06-27 WO PCT/CN2013/078200 patent/WO2014205743A1/zh active Application Filing
-
2015
- 2015-11-19 US US14/946,334 patent/US9917678B2/en active Active
Patent Citations (3)
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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)
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 |
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