CN1951050A - 用于具有四根发射天线的ofdm系统的导频设计 - Google Patents
用于具有四根发射天线的ofdm系统的导频设计 Download PDFInfo
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- CN1951050A CN1951050A CNA2005800150417A CN200580015041A CN1951050A CN 1951050 A CN1951050 A CN 1951050A CN A2005800150417 A CNA2005800150417 A CN A2005800150417A CN 200580015041 A CN200580015041 A CN 200580015041A CN 1951050 A CN1951050 A CN 1951050A
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- ofdm symbol
- pilot
- pilot tone
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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
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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
- 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
-
- 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
- H04B7/0615—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 weighted versions of same signal
-
- 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
- H04L25/0224—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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0026—Division using four or more dimensions
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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
- 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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- 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
图案-0(i=0) | 图案-1(i=1) | 图案-2(i=2) | 图案-3(i=3) | 图案-4(i=4) | 图案-5(i=5) | 图案-6(i=5) | 图案-7(i=5) | |
OFDM对-1{Ni OFFSET(0)} | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
OFDM对-2{Ni OFFSET(1)} | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
OFDM对-3{Ni OFFSET(2)} | 11 | 12 | 13 | 14 | 15 | 16 | 1 | 2 |
参数 | 值 |
dc载波的数量 | 1 |
保护载波的数量,左侧 | 159 |
保护载波的数量,右侧 | 160 |
Nused’已用载波的数量 | 1728 |
载波总数 | 2048 |
可变位置导频的数量 | 288(用于4根发射天线);144(用于2根发射天线) |
数据载波的数量 | 1440(用于4根发射天线)1584(用于2根发射天线) |
FSCH载波的数量 | 108 |
与FSCH一致的可变位置导频的数量 | 108(用于4根发射天线)54(用于2根发射天线) |
FSCH图案的数量 | 8 |
FSCH子载波的频率偏移索引 | 32n+4k & 32n+4k+1n=0,1,......,53;k=0,1,......,8 |
星座 | 物理信道 | 调制关系w.r.t.导频符号 |
QPSK | 分散导频 | 与分散导频符号相同的功率 |
QPSK | 前置码 | 与分散导频符号相同的功率 |
QPSK | 业务 | 比分散导频符号低6dB的功率 |
16QAM | 业务 | 与分散导频符号相同的最大幅度 |
64QAM | 业务 | 与分散导频符号相同的最大幅度 |
Claims (48)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711173976.9A CN108234099B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310013793.6A CN103036844B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201610846820.1A CN106160830B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310428753.8A CN103516459B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US55316104P | 2004-03-15 | 2004-03-15 | |
US60/553,161 | 2004-03-15 | ||
US55856604P | 2004-04-02 | 2004-04-02 | |
US60/558,566 | 2004-04-02 | ||
US56600904P | 2004-04-28 | 2004-04-28 | |
US60/566,009 | 2004-04-28 | ||
PCT/CA2005/000387 WO2005088882A1 (en) | 2004-03-15 | 2005-03-15 | Pilot design for ofdm systems with four transmit antennas |
Related Child Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610846820.1A Division CN106160830B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310428753.8A Division CN103516459B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310013793.6A Division CN103036844B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201711173976.9A Division CN108234099B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
Publications (2)
Publication Number | Publication Date |
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CN1951050A true CN1951050A (zh) | 2007-04-18 |
CN1951050B CN1951050B (zh) | 2013-10-30 |
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CN201610846820.1A Active CN106160830B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310013793.6A Active CN103036844B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310428753.8A Active CN103516459B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN2005800150417A Active CN1951050B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201711173976.9A Active CN108234099B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
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CN201610846820.1A Active CN106160830B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310013793.6A Active CN103036844B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
CN201310428753.8A Active CN103516459B (zh) | 2004-03-15 | 2005-03-15 | 用于具有四根发射天线的ofdm系统的导频设计 |
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Country Status (5)
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US (5) | US8462611B2 (zh) |
EP (2) | EP3562058B1 (zh) |
CN (5) | CN106160830B (zh) |
HK (1) | HK1193910A1 (zh) |
WO (1) | WO2005088882A1 (zh) |
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CN101237439B (zh) * | 2008-02-28 | 2010-08-18 | 北京北方烽火科技有限公司 | 一种ofdm系统中的子载波交叉离散导频插入方法 |
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CN102594739A (zh) * | 2011-01-07 | 2012-07-18 | 上海贝尔股份有限公司 | 信道估计方法、导频信息选择方法、用户设备和基站 |
US9794041B2 (en) | 2013-12-12 | 2017-10-17 | Huawei Technologies Co., Ltd | Method for determining pilot arrangement and base station |
WO2015085820A1 (zh) * | 2013-12-12 | 2015-06-18 | 华为技术有限公司 | 一种导频排布确定方法及基站 |
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CN103036844B (zh) | 2017-11-24 |
CN1951050B (zh) | 2013-10-30 |
US10374856B2 (en) | 2019-08-06 |
WO2005088882A1 (en) | 2005-09-22 |
CN103036844A (zh) | 2013-04-10 |
EP1726111A4 (en) | 2012-07-04 |
US20130287138A1 (en) | 2013-10-31 |
EP1726111A1 (en) | 2006-11-29 |
CN108234099B (zh) | 2020-12-29 |
CN103516459A (zh) | 2014-01-15 |
US9742606B2 (en) | 2017-08-22 |
CN106160830B (zh) | 2020-02-14 |
CN103516459B (zh) | 2016-09-21 |
US20150270996A1 (en) | 2015-09-24 |
EP3562058A1 (en) | 2019-10-30 |
US8462611B2 (en) | 2013-06-11 |
US8995402B2 (en) | 2015-03-31 |
EP3562058B1 (en) | 2022-04-27 |
US20180041367A1 (en) | 2018-02-08 |
CN108234099A (zh) | 2018-06-29 |
HK1193910A1 (zh) | 2014-10-03 |
US20190372812A1 (en) | 2019-12-05 |
US10841141B2 (en) | 2020-11-17 |
CN106160830A (zh) | 2016-11-23 |
EP1726111B1 (en) | 2019-05-29 |
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