CN101690294B - 在多信道无线通信系统中估计时序与频率信息 - Google Patents
在多信道无线通信系统中估计时序与频率信息 Download PDFInfo
- Publication number
- CN101690294B CN101690294B CN200880007935.5A CN200880007935A CN101690294B CN 101690294 B CN101690294 B CN 101690294B CN 200880007935 A CN200880007935 A CN 200880007935A CN 101690294 B CN101690294 B CN 101690294B
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- CN
- China
- Prior art keywords
- channel
- training field
- frequency
- lead code
- payload
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/14—Spectrum sharing arrangements between different networks
-
- 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
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
- H04L27/2602—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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
-
- 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
- H04L5/0001—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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (2)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US89459507P | 2007-03-13 | 2007-03-13 | |
US60/894,595 | 2007-03-13 | ||
US12/031,634 US9344897B2 (en) | 2007-03-13 | 2008-02-14 | Estimating timing and frequency information for multiple channel wireless communication systems |
US12/031,634 | 2008-02-14 | ||
PCT/US2008/056165 WO2008112526A2 (en) | 2007-03-13 | 2008-03-07 | Estimating timing and frequency information for multiple channel wireless communication systems |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101690294A CN101690294A (zh) | 2010-03-31 |
CN101690294B true CN101690294B (zh) | 2016-10-26 |
Family
ID=39760322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200880007935.5A Expired - Fee Related CN101690294B (zh) | 2007-03-13 | 2008-03-07 | 在多信道无线通信系统中估计时序与频率信息 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9344897B2 (zh) |
JP (3) | JP2010521885A (zh) |
CN (1) | CN101690294B (zh) |
WO (1) | WO2008112526A2 (zh) |
Families Citing this family (10)
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US7924802B2 (en) * | 2008-01-23 | 2011-04-12 | Wilinx Corporation | Wireless communication systems and methods |
KR101518059B1 (ko) * | 2008-07-02 | 2015-05-07 | 엘지전자 주식회사 | 초고처리율 무선랜 시스템에서의 채널 관리 방법과 채널 스위치 방법 |
US8218690B1 (en) | 2008-09-29 | 2012-07-10 | Qualcomm Atheros, Inc. | Timing offset compensation for high throughput channel estimation |
CN102769509B (zh) * | 2012-06-07 | 2015-10-21 | 华为技术有限公司 | 一种物理层信号的发送方法、装置及系统 |
US9078147B2 (en) * | 2013-09-13 | 2015-07-07 | Qualcomm Incorporated | Apparatus and method using common control channel carrier for frequency and time estimation |
GB2526284A (en) * | 2014-05-19 | 2015-11-25 | Vodafone Ip Licensing Ltd | Handover signalling |
US20170019226A1 (en) * | 2015-07-14 | 2017-01-19 | Qualcomm Incorporated | Preamble Detection on a Communication Channel |
CN108141798B (zh) | 2015-10-09 | 2022-12-27 | 索尼集团公司 | 测量装置、操作装置的方法、网络节点、修改频带的方法 |
JP6883659B2 (ja) * | 2017-04-28 | 2021-06-09 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカPanasonic Intellectual Property Corporation of America | 測定装置及び測定方法 |
CN108848547A (zh) * | 2018-06-12 | 2018-11-20 | Oppo广东移动通信有限公司 | WiFi扫描方法、装置、移动终端及计算机可读介质 |
Citations (2)
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US20050078649A1 (en) * | 2003-10-08 | 2005-04-14 | Tehrani Ardavan M. | Apparatus and method of multiple antenna receiver combining of high data rate wideband packetized wireless communication signals |
US20060140303A1 (en) * | 2004-12-24 | 2006-06-29 | Yoshimasa Egashira | Wireless communication method and apparatus |
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-
2008
- 2008-02-14 US US12/031,634 patent/US9344897B2/en not_active Expired - Fee Related
- 2008-03-07 JP JP2009553697A patent/JP2010521885A/ja not_active Withdrawn
- 2008-03-07 CN CN200880007935.5A patent/CN101690294B/zh not_active Expired - Fee Related
- 2008-03-07 WO PCT/US2008/056165 patent/WO2008112526A2/en active Application Filing
-
2014
- 2014-07-30 JP JP2014155213A patent/JP5911925B2/ja active Active
-
2016
- 2016-01-29 JP JP2016016124A patent/JP6162271B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050078649A1 (en) * | 2003-10-08 | 2005-04-14 | Tehrani Ardavan M. | Apparatus and method of multiple antenna receiver combining of high data rate wideband packetized wireless communication signals |
US20060140303A1 (en) * | 2004-12-24 | 2006-06-29 | Yoshimasa Egashira | Wireless communication method and apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP6162271B2 (ja) | 2017-07-12 |
JP2016136727A (ja) | 2016-07-28 |
WO2008112526A2 (en) | 2008-09-18 |
JP2014222945A (ja) | 2014-11-27 |
CN101690294A (zh) | 2010-03-31 |
JP5911925B2 (ja) | 2016-04-27 |
US9344897B2 (en) | 2016-05-17 |
US20080225761A1 (en) | 2008-09-18 |
JP2010521885A (ja) | 2010-06-24 |
WO2008112526A3 (en) | 2008-11-13 |
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