CN1605172A - 用于mimo-ofdm系统的分散导频图案和信道估计方法 - Google Patents
用于mimo-ofdm系统的分散导频图案和信道估计方法 Download PDFInfo
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- CN1605172A CN1605172A CNA028251598A CN02825159A CN1605172A CN 1605172 A CN1605172 A CN 1605172A CN A028251598 A CNA028251598 A CN A028251598A CN 02825159 A CN02825159 A CN 02825159A CN 1605172 A CN1605172 A CN 1605172A
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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
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- 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
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- 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
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- 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
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0684—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
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- 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
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
- H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
- H04L1/0618—Space-time coding
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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
- H04L25/0204—Channel estimation of multiple channels
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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
- H04L25/022—Channel estimation of frequency response
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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
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding signals
- H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
- H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals
- H04L25/0234—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between sounding signals by non-linear interpolation
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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
- H04L25/024—Channel estimation channel estimation algorithms
- H04L25/0242—Channel estimation channel estimation algorithms using matrix methods
- H04L25/0244—Channel estimation channel estimation algorithms using matrix methods with inversion
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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
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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
- 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
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
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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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/2627—Modulators
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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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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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
- H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Nonlinear Science (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (32)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810001919.7A CN101188597B (zh) | 2001-10-17 | 2002-10-15 | 一种ofdm基站以及在基站处把导频符号插入到ofdm帧中的方法 |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32950901P | 2001-10-17 | 2001-10-17 | |
US60/329,509 | 2001-10-17 | ||
US10/038,883 | 2002-01-08 | ||
US10/038,883 US7248559B2 (en) | 2001-10-17 | 2002-01-08 | Scattered pilot pattern and channel estimation method for MIMO-OFDM systems |
PCT/CA2002/001541 WO2003034644A1 (en) | 2001-10-17 | 2002-10-15 | Scattered pilot pattern and channel estimation method for mimo-ofdm systems |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810001919.7A Division CN101188597B (zh) | 2001-10-17 | 2002-10-15 | 一种ofdm基站以及在基站处把导频符号插入到ofdm帧中的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1605172A true CN1605172A (zh) | 2005-04-06 |
CN100385847C CN100385847C (zh) | 2008-04-30 |
Family
ID=26715614
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810001919.7A Expired - Lifetime CN101188597B (zh) | 2001-10-17 | 2002-10-15 | 一种ofdm基站以及在基站处把导频符号插入到ofdm帧中的方法 |
CNB028251598A Expired - Lifetime CN100385847C (zh) | 2001-10-17 | 2002-10-15 | 用于mimo-ofdm系统的分散导频图案和信道估计方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200810001919.7A Expired - Lifetime CN101188597B (zh) | 2001-10-17 | 2002-10-15 | 一种ofdm基站以及在基站处把导频符号插入到ofdm帧中的方法 |
Country Status (6)
Country | Link |
---|---|
US (18) | US7248559B2 (zh) |
EP (4) | EP2755349B1 (zh) |
KR (1) | KR100876709B1 (zh) |
CN (2) | CN101188597B (zh) |
HK (1) | HK1199570A1 (zh) |
WO (1) | WO2003034644A1 (zh) |
Cited By (30)
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WO2006133600A1 (en) * | 2005-06-15 | 2006-12-21 | Huawei Technologies Co., Ltd. | Two-dimensional pilot patterns |
CN100596131C (zh) * | 2005-10-26 | 2010-03-24 | 法国电信公司 | 多载波信号发射方法和设备及多载波信号接收方法和设备 |
CN1889554B (zh) * | 2005-06-27 | 2010-05-05 | 华为技术有限公司 | 导频传送方法 |
CN101267421B (zh) * | 2008-04-21 | 2010-08-11 | 上海大学 | 一种ofdm时变信道测计方法 |
CN101944946A (zh) * | 2009-07-08 | 2011-01-12 | 中兴通讯股份有限公司 | 无线通信系统和方法以及无线通信系统中发送导频的方法 |
CN1921363B (zh) * | 2005-08-27 | 2011-04-20 | 华为技术有限公司 | 一种时频二维导频图案的生成方法及系统 |
CN101238668B (zh) * | 2005-08-22 | 2011-05-04 | 松下电器产业株式会社 | 基站装置和移动台装置 |
CN101166053B (zh) * | 2006-10-18 | 2011-08-10 | 中兴通讯股份有限公司 | 多发射天线系统的导频信号发送方法 |
CN101039136B (zh) * | 2006-03-15 | 2011-09-14 | 华为技术有限公司 | 基于空频编码的多天线发射分集方法及其系统 |
CN102263722A (zh) * | 2010-05-26 | 2011-11-30 | 中兴通讯股份有限公司 | 上行频域资源的映射方法和系统 |
WO2011147159A1 (zh) * | 2010-05-27 | 2011-12-01 | 东南大学 | 空分多址多天线传输下行链路导频与信道估计方法 |
CN101248608B (zh) * | 2005-08-24 | 2012-03-14 | 松下电器产业株式会社 | 多入多出-正交频分复用发送装置和多入多出-正交频分复用发送方法 |
CN101263678B (zh) * | 2005-09-20 | 2012-04-18 | 三洋电机株式会社 | 无线电装置以及使用该无线电装置的通信系统 |
CN102714645A (zh) * | 2010-01-13 | 2012-10-03 | 松下电器产业株式会社 | 用于具有多个天线的ofdm系统的导频模式 |
CN101606427B (zh) * | 2006-03-24 | 2012-11-28 | Lg电子株式会社 | 减少多输入、多输出发送系统的开销的方法 |
CN101547034B (zh) * | 2008-03-24 | 2013-01-02 | 华为技术有限公司 | 导频方法和导频装置 |
CN101611580B (zh) * | 2007-01-19 | 2013-03-13 | 汤姆逊许可公司 | 用于ofdm系统的插值法、信道估计方法和装置 |
CN101512998B (zh) * | 2006-09-11 | 2013-05-01 | 艾利森电话股份有限公司 | 用于检测导频图案的方法和装置 |
CN103095628A (zh) * | 2011-10-31 | 2013-05-08 | 华为技术有限公司 | 一种降低带外辐射的发射方法、接收方法及装置 |
CN101194481B (zh) * | 2005-06-09 | 2013-05-29 | 艾利森电话股份有限公司 | Ofdm系统中的导频发送方法和设备 |
CN101421948B (zh) * | 2006-02-14 | 2013-08-07 | 三星电子株式会社 | 在正交频分复用系统中使用线性内插方案的信道估计方法和装置 |
CN101730990B (zh) * | 2007-05-23 | 2013-08-21 | 英国广播公司 | Ofdm-mimo射频传输系统 |
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CN104320223A (zh) * | 2006-12-21 | 2015-01-28 | 无线星球有限责任公司 | 用于在利用ofdm技术的通信系统中的符号映射的方法和设备 |
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KR100594597B1 (ko) * | 2003-10-24 | 2006-06-30 | 한국전자통신연구원 | 이동통신시스템에서의 하향링크 신호 구성 방법 및 그장치와, 이를 이용한 동기화 및 셀 탐색 방법과 그 장치 |
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