CN1331528A - 在ofdm系统中用于sttd方案的导频模式设计 - Google Patents
在ofdm系统中用于sttd方案的导频模式设计 Download PDFInfo
- Publication number
- CN1331528A CN1331528A CN01121742A CN01121742A CN1331528A CN 1331528 A CN1331528 A CN 1331528A CN 01121742 A CN01121742 A CN 01121742A CN 01121742 A CN01121742 A CN 01121742A CN 1331528 A CN1331528 A CN 1331528A
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- China
- Prior art keywords
- pilot frequency
- code element
- frequency code
- antenna
- sttd
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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
- H04B7/0667—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 of delayed versions of same signal
- H04B7/0669—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 of delayed versions of same signal using different channel coding between antennas
-
- 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
-
- 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
- H04L1/0625—Transmitter arrangements
-
- 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
- H04L1/0637—Properties of the code
- H04L1/0668—Orthogonal systems, e.g. using Alamouti codes
-
- 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
-
- 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
-
- 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
- H04L5/0001—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
-
- 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
-
- 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)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00114423.7 | 2000-07-05 | ||
EP00114423.7A EP1170897B1 (en) | 2000-07-05 | 2000-07-05 | Pilot pattern design for a STTD scheme in an OFDM system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1331528A true CN1331528A (zh) | 2002-01-16 |
CN1201518C CN1201518C (zh) | 2005-05-11 |
Family
ID=8169170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011217421A Expired - Lifetime CN1201518C (zh) | 2000-07-05 | 2001-07-05 | 在ofdm系统中用于sttd方案的导频模式设计 |
Country Status (4)
Country | Link |
---|---|
US (15) | US7221645B2 (zh) |
EP (4) | EP2262151B1 (zh) |
JP (2) | JP5123451B2 (zh) |
CN (1) | CN1201518C (zh) |
Cited By (27)
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WO2004002036A1 (fr) * | 2002-06-20 | 2003-12-31 | Da Tang Mobile Communications Equipment Co., Ltd. | Procede de codage/decodage espace-temps pour canal a evanouissement progressif de frequence |
CN100442793C (zh) * | 2003-06-11 | 2008-12-10 | 株式会社Ntt都科摩 | Ofdm信号帧生成器、发射机、传输系统及生成方法 |
CN100556017C (zh) * | 2003-10-16 | 2009-10-28 | 三星电子株式会社 | 在多入多出正交频分复用系统中为同步而发射前导的方法 |
CN1832464B (zh) * | 2005-03-11 | 2010-09-15 | 中兴通讯股份有限公司 | 正交频分复用系统的导频分配装置及其方法 |
CN101272372B (zh) * | 2008-03-31 | 2010-10-06 | 北京北方烽火科技有限公司 | 一种ofdm自动闭环发送分散导频插入控制方法 |
CN101019340B (zh) * | 2004-08-03 | 2010-10-27 | 新加坡科技研究局 | 数字数据流的发送方法、发送器、接收方法及接收器 |
CN101027867B (zh) * | 2004-09-30 | 2010-11-03 | 英特尔公司 | 多发射天线上的高速率、高分集发射 |
CN1778058B (zh) * | 2003-02-24 | 2010-11-10 | 高通股份有限公司 | 由无线终端使用的信道质量报告方法、无线终端和基站 |
CN101911579A (zh) * | 2007-12-29 | 2010-12-08 | 上海贝尔股份有限公司 | 用于映射导频的方法及设备 |
CN101953108A (zh) * | 2007-11-02 | 2011-01-19 | 诺基亚西门子通信公司 | 用于提供导频模式分配的方法及设备 |
CN1832466B (zh) * | 2004-03-12 | 2011-05-04 | 株式会社东芝 | Ofdm信号传输方法和设备 |
US7940638B2 (en) | 2003-12-30 | 2011-05-10 | Intel Corporation | MIMO communication system and method for communicating with single antenna and multi-antenna mobile stations |
CN102299731A (zh) * | 2010-06-28 | 2011-12-28 | 中兴通讯股份有限公司 | Ofdm系统的发射装置及提高循环延迟分集性能的方法 |
CN102938667A (zh) * | 2002-12-16 | 2013-02-20 | 北方电讯网络有限公司 | 带有经协调的移动终端的上行链路空-时编码的通信系统 |
CN101951677B (zh) * | 2003-02-24 | 2013-03-27 | 高通股份有限公司 | 由无线终端使用的信道质量报告方法、无线终端和基站 |
CN101095327B (zh) * | 2004-12-29 | 2013-04-03 | 英特尔公司 | 用于执行基于mimo的多载波系统中的信道训练的方法、设备和系统 |
CN101730990B (zh) * | 2007-05-23 | 2013-08-21 | 英国广播公司 | Ofdm-mimo射频传输系统 |
CN1961519B (zh) * | 2004-04-13 | 2013-11-13 | 英特尔公司 | 选择编码模式的方法和装置 |
CN103457897A (zh) * | 2004-01-21 | 2013-12-18 | 高通股份有限公司 | 带有过度延迟扩展的ofdm系统的导频传输和信道估计 |
CN104539565A (zh) * | 2015-02-02 | 2015-04-22 | 中山大学花都产业科技研究院 | 一种基于二次曲线拟合方法设计的mimo-ofdm信道估计器 |
WO2017152715A1 (zh) * | 2016-03-08 | 2017-09-14 | 索尼公司 | 用于具有多个天线的通信装置的电子设备和通信方法 |
CN108234099A (zh) * | 2004-03-15 | 2018-06-29 | 苹果公司 | 用于具有四根发射天线的ofdm系统的导频设计 |
US10826744B2 (en) | 2004-06-24 | 2020-11-03 | Apple Inc. | Preambles in OFDMA system |
US10959227B2 (en) | 2004-10-15 | 2021-03-23 | Apple Inc. | Communication resource allocation systems and methods |
US10973011B2 (en) | 2004-06-24 | 2021-04-06 | Apple Inc. | Efficient location updates, paging and short bursts |
US11201648B2 (en) | 2004-06-22 | 2021-12-14 | Apple Inc. | Closed loop MIMO systems and methods |
US11398860B2 (en) | 2004-07-07 | 2022-07-26 | Apple Inc. | System and method for mapping symbols for MIMO transmission |
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