CN101132255A - 一种在ofdm系统中处理参考符号的方法及系统 - Google Patents
一种在ofdm系统中处理参考符号的方法及系统 Download PDFInfo
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- CN101132255A CN101132255A CNA2006101125654A CN200610112565A CN101132255A CN 101132255 A CN101132255 A CN 101132255A CN A2006101125654 A CNA2006101125654 A CN A2006101125654A CN 200610112565 A CN200610112565 A CN 200610112565A CN 101132255 A CN101132255 A CN 101132255A
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- 238000000034 method Methods 0.000 title claims abstract description 100
- 238000012545 processing Methods 0.000 title abstract description 5
- 238000005516 engineering process Methods 0.000 claims abstract description 101
- 230000011664 signaling Effects 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 43
- 239000000284 extract Substances 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 15
- 238000004891 communication Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 15
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000009466 transformation Effects 0.000 description 6
- 238000012546 transfer Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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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
- H04L5/0003—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
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Abstract
Description
Claims (28)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200610112565A CN100589360C (zh) | 2006-08-23 | 2006-08-23 | 一种在ofdm系统中处理参考符号的方法及系统 |
PCT/CN2007/002554 WO2008025255A1 (fr) | 2006-08-23 | 2007-08-23 | Procédé et système de traitement de signal de référence dans un système ofdm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200610112565A CN100589360C (zh) | 2006-08-23 | 2006-08-23 | 一种在ofdm系统中处理参考符号的方法及系统 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101132255A true CN101132255A (zh) | 2008-02-27 |
CN100589360C CN100589360C (zh) | 2010-02-10 |
Family
ID=39129389
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200610112565A Active CN100589360C (zh) | 2006-08-23 | 2006-08-23 | 一种在ofdm系统中处理参考符号的方法及系统 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN100589360C (zh) |
WO (1) | WO2008025255A1 (zh) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008125020A1 (fr) * | 2007-04-17 | 2008-10-23 | Datang Mobile Communications Equipment Co., Ltd | Procédé, système, station de base et terminal pour traitement d'un symbole de référence |
WO2009143709A1 (zh) * | 2008-05-27 | 2009-12-03 | 大唐移动通信设备有限公司 | 双流波束赋型方法、装置及支持双流波束赋型传输的设备 |
WO2009152694A1 (zh) * | 2008-06-19 | 2009-12-23 | 大唐移动通信设备有限公司 | 用户专属参考符号的功率分配方法及设备 |
WO2010105423A1 (zh) * | 2009-03-18 | 2010-09-23 | 华为技术有限公司 | 发送用户设备特有的参考信号的方法和装置 |
CN101540633B (zh) * | 2008-03-21 | 2012-10-10 | 电信科学技术研究院 | 一种下行传输的方法、系统及基站 |
CN101459645B (zh) * | 2009-01-15 | 2012-11-14 | 清华大学 | 一种多天线正交频分复用系统中的基于子带的检测方法 |
CN101534265B (zh) * | 2008-03-15 | 2013-05-01 | 中兴通讯股份有限公司 | 下行专用导频和物理资源块的映射方法 |
CN104066092A (zh) * | 2014-06-27 | 2014-09-24 | 电信科学技术研究院 | 一种频谱分配方法、装置和系统 |
CN106534021A (zh) * | 2015-09-15 | 2017-03-22 | 普天信息技术有限公司 | 一种通信方法和系统 |
CN104601270B (zh) * | 2008-03-25 | 2017-11-03 | 高通股份有限公司 | 专用基准信号的发送和接收 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101932096B (zh) * | 2009-06-24 | 2015-03-25 | 中兴通讯股份有限公司 | 多用户多输入多输出模式下层映射信息的通知方法和系统 |
CN102036402B (zh) * | 2009-09-30 | 2014-04-30 | 中兴通讯股份有限公司 | 一种基于解调导频的层映射方法及网络侧设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1534909A (zh) * | 2003-03-28 | 2004-10-06 | 中国科学技术大学 | 移动环境下正交频分复用系统的帧检测与帧同步方法 |
KR20040110904A (ko) * | 2003-06-20 | 2004-12-31 | 삼성전자주식회사 | 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서기지국 구분을 위한 파일럿 채널 전용 서브 캐리어 할당장치 및 방법 |
KR101065687B1 (ko) * | 2004-06-10 | 2011-09-19 | 엘지전자 주식회사 | Ofdm 무선 통신 시스템에 적용되는 시간 동기 획득 방법 |
KR20060040180A (ko) * | 2004-11-04 | 2006-05-10 | 엘지전자 주식회사 | 다중입출력 직교 주파수 분할 다중화 방식에 적용되는채널 추정을 위한 신호 전송 방법 |
WO2006053427A1 (en) * | 2004-11-16 | 2006-05-26 | Alex Dolgonos | System and method for ofdm sfn null reduction |
-
2006
- 2006-08-23 CN CN200610112565A patent/CN100589360C/zh active Active
-
2007
- 2007-08-23 WO PCT/CN2007/002554 patent/WO2008025255A1/zh active Application Filing
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008125020A1 (fr) * | 2007-04-17 | 2008-10-23 | Datang Mobile Communications Equipment Co., Ltd | Procédé, système, station de base et terminal pour traitement d'un symbole de référence |
US8422479B2 (en) | 2007-04-17 | 2013-04-16 | China Academy Of Telecommunications Technology | Method, system, base station and terminal for processing the reference symbol |
CN101534265B (zh) * | 2008-03-15 | 2013-05-01 | 中兴通讯股份有限公司 | 下行专用导频和物理资源块的映射方法 |
CN101540633B (zh) * | 2008-03-21 | 2012-10-10 | 电信科学技术研究院 | 一种下行传输的方法、系统及基站 |
CN104601270B (zh) * | 2008-03-25 | 2017-11-03 | 高通股份有限公司 | 专用基准信号的发送和接收 |
WO2009143709A1 (zh) * | 2008-05-27 | 2009-12-03 | 大唐移动通信设备有限公司 | 双流波束赋型方法、装置及支持双流波束赋型传输的设备 |
CN101594176B (zh) * | 2008-05-27 | 2012-10-10 | 电信科学技术研究院 | 双流波束赋型方法、装置及支持双流波束赋型传输的设备 |
WO2009152694A1 (zh) * | 2008-06-19 | 2009-12-23 | 大唐移动通信设备有限公司 | 用户专属参考符号的功率分配方法及设备 |
CN101610104B (zh) * | 2008-06-19 | 2013-03-13 | 电信科学技术研究院 | 用户专属参考符号的功率分配方法及设备 |
CN101459645B (zh) * | 2009-01-15 | 2012-11-14 | 清华大学 | 一种多天线正交频分复用系统中的基于子带的检测方法 |
CN102077486A (zh) * | 2009-03-18 | 2011-05-25 | 华为技术有限公司 | 发送用户设备特有的参考信号的方法和装置 |
WO2010105423A1 (zh) * | 2009-03-18 | 2010-09-23 | 华为技术有限公司 | 发送用户设备特有的参考信号的方法和装置 |
CN104066092A (zh) * | 2014-06-27 | 2014-09-24 | 电信科学技术研究院 | 一种频谱分配方法、装置和系统 |
CN104066092B (zh) * | 2014-06-27 | 2018-01-16 | 电信科学技术研究院 | 一种频谱分配方法、装置和系统 |
US10064185B2 (en) | 2014-06-27 | 2018-08-28 | China Academy Of Telecommunications Technology | Frequency spectrum allocation method, device and system |
CN106534021A (zh) * | 2015-09-15 | 2017-03-22 | 普天信息技术有限公司 | 一种通信方法和系统 |
Also Published As
Publication number | Publication date |
---|---|
CN100589360C (zh) | 2010-02-10 |
WO2008025255A1 (fr) | 2008-03-06 |
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Address after: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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Effective date of registration: 20210527 Address after: 100085 1st floor, building 1, yard 5, Shangdi East Road, Haidian District, Beijing Patentee after: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. Address before: 100191 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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