CN1833387A - 无线通信装置以及导频符号传输方法 - Google Patents
无线通信装置以及导频符号传输方法 Download PDFInfo
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- CN1833387A CN1833387A CNA2004800227359A CN200480022735A CN1833387A CN 1833387 A CN1833387 A CN 1833387A CN A2004800227359 A CNA2004800227359 A CN A2004800227359A CN 200480022735 A CN200480022735 A CN 200480022735A CN 1833387 A CN1833387 A CN 1833387A
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- 238000004891 communication Methods 0.000 title claims abstract description 89
- 230000005540 biological transmission Effects 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims description 28
- 239000006185 dispersion Substances 0.000 claims abstract description 36
- 230000008859 change Effects 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 13
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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
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/345—Interference values
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/364—Delay profiles
-
- 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
-
- 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
- H04B7/0417—Feedback systems
-
- 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
- H04B7/0617—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 for beam forming
-
- 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
-
- 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
-
- 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
- H04L5/003—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
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0094—Indication of how sub-channels of the path are allocated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J13/18—Allocation of orthogonal codes
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (15)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610051627.9A CN105577344B (zh) | 2003-08-12 | 2004-08-11 | 接收装置、终端装置、接收方法以及集成电路 |
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003292667 | 2003-08-12 | ||
JP292667/2003 | 2003-08-12 | ||
JP162388/2004 | 2004-05-31 | ||
JP2004162388 | 2004-05-31 | ||
PCT/JP2004/011556 WO2005015797A1 (ja) | 2003-08-12 | 2004-08-11 | 無線通信装置およびパイロットシンボル伝送方法 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610051627.9A Division CN105577344B (zh) | 2003-08-12 | 2004-08-11 | 接收装置、终端装置、接收方法以及集成电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1833387A true CN1833387A (zh) | 2006-09-13 |
CN1833387B CN1833387B (zh) | 2016-03-02 |
Family
ID=34137967
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610051627.9A Expired - Lifetime CN105577344B (zh) | 2003-08-12 | 2004-08-11 | 接收装置、终端装置、接收方法以及集成电路 |
CN200480022735.9A Expired - Lifetime CN1833387B (zh) | 2003-08-12 | 2004-08-11 | 无线通信装置以及导频码元传输方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610051627.9A Expired - Lifetime CN105577344B (zh) | 2003-08-12 | 2004-08-11 | 接收装置、终端装置、接收方法以及集成电路 |
Country Status (8)
Country | Link |
---|---|
US (3) | US8843142B2 (zh) |
EP (4) | EP2560316B1 (zh) |
JP (5) | JP4427027B2 (zh) |
KR (5) | KR101160135B1 (zh) |
CN (2) | CN105577344B (zh) |
BR (1) | BRPI0413502B1 (zh) |
RU (1) | RU2349043C2 (zh) |
WO (1) | WO2005015797A1 (zh) |
Cited By (11)
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CN101938296A (zh) * | 2009-06-29 | 2011-01-05 | 华为技术有限公司 | 一种导频序列生成方法、用户设备、基站 |
CN102118339A (zh) * | 2009-12-30 | 2011-07-06 | 电子科技大学 | Ofdm系统的自适应导频模式设计方法 |
CN102882666A (zh) * | 2006-05-01 | 2013-01-16 | 株式会社Ntt都科摩 | 发送装置、发送方法 |
CN103152151A (zh) * | 2007-05-28 | 2013-06-12 | 三星电子株式会社 | Ofdm接收装置及其方法 |
CN103647618A (zh) * | 2007-03-16 | 2014-03-19 | 高通股份有限公司 | 多跳中继通信系统中通过中继站的导频传输 |
CN103891374A (zh) * | 2011-03-25 | 2014-06-25 | 北京新岸线移动多媒体技术有限公司 | 无线通信系统中解调导频的调整方法及系统 |
CN104285405A (zh) * | 2012-05-04 | 2015-01-14 | 高通股份有限公司 | 用于无线通信系统中减少的开销的系统和方法 |
CN105191461A (zh) * | 2013-03-13 | 2015-12-23 | 华为技术有限公司 | 用于确定导频信号的系统和方法 |
CN106165336A (zh) * | 2014-03-28 | 2016-11-23 | 索尼公司 | 用于mimo系统的导频时隙分配 |
US9544116B2 (en) | 2014-02-14 | 2017-01-10 | Qualcomm Incorporated | Pilot transmission by relay stations in a multihop relay communication system |
CN114337968A (zh) * | 2021-12-28 | 2022-04-12 | 湖南智领通信科技有限公司 | 基于实时测控数据的主动式导频调整方法及装置 |
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US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
JP4887385B2 (ja) * | 2002-08-19 | 2012-02-29 | パナソニック株式会社 | 無線通信装置及び無線通信方法 |
JP4427027B2 (ja) * | 2003-08-12 | 2010-03-03 | パナソニック株式会社 | 送信装置および送信方法 |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
JP4592358B2 (ja) * | 2004-08-31 | 2010-12-01 | 株式会社エヌ・ティ・ティ・ドコモ | 移動通信システム及び移動通信方法 |
RU2375828C2 (ru) | 2004-09-24 | 2009-12-10 | Квэлкомм Инкорпорейтед | Способ и устройство для передачи информации в системе, использующей различные протоколы передачи |
EP1843499B1 (en) * | 2005-01-17 | 2018-04-18 | Sharp Kabushiki Kaisha | Stable transmission and reliable reception of plurality of signal streams in a MIMO communication system |
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US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9520972B2 (en) * | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
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