CN101132384A - 一种ofdm系统中导频复用方法及装置 - Google Patents
一种ofdm系统中导频复用方法及装置 Download PDFInfo
- Publication number
- CN101132384A CN101132384A CNA2006101125781A CN200610112578A CN101132384A CN 101132384 A CN101132384 A CN 101132384A CN A2006101125781 A CNA2006101125781 A CN A2006101125781A CN 200610112578 A CN200610112578 A CN 200610112578A CN 101132384 A CN101132384 A CN 101132384A
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- pilot
- cqi
- pilot tone
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- cqi pilot
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000013507 mapping Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 239000000284 extract Substances 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 4
- 239000000969 carrier Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
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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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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (16)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006101125781A CN101132384B (zh) | 2006-08-23 | 2006-08-23 | 一种ofdm系统中导频复用方法及装置 |
PCT/CN2007/070405 WO2008025273A1 (fr) | 2006-08-23 | 2007-08-02 | Procédé et dispositif pour le multiplexage de pilotes dans le système ofdm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006101125781A CN101132384B (zh) | 2006-08-23 | 2006-08-23 | 一种ofdm系统中导频复用方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101132384A true CN101132384A (zh) | 2008-02-27 |
CN101132384B CN101132384B (zh) | 2011-01-12 |
Family
ID=39129511
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2006101125781A Active CN101132384B (zh) | 2006-08-23 | 2006-08-23 | 一种ofdm系统中导频复用方法及装置 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101132384B (zh) |
WO (1) | WO2008025273A1 (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101841354A (zh) * | 2009-03-17 | 2010-09-22 | 大唐移动通信设备有限公司 | 一种下行测量导频传输方法和装置 |
CN101841355A (zh) * | 2009-03-17 | 2010-09-22 | 中兴通讯股份有限公司 | 解调导频映射的处理方法和装置 |
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 |
CN102014086B (zh) * | 2009-09-08 | 2013-07-24 | 电信科学技术研究院 | 一种基站信号发射处理方法及基站发射机 |
WO2018040974A1 (zh) * | 2016-09-05 | 2018-03-08 | 华为技术有限公司 | 传输导频的方法、终端设备和网络设备 |
US11032834B2 (en) | 2016-06-20 | 2021-06-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Information transmission method and device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113726708B (zh) * | 2020-05-20 | 2022-06-28 | 上海交通大学 | 一种ofdm系统的导频插入方法及系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003061170A1 (fr) * | 2002-01-10 | 2003-07-24 | Fujitsu Limited | Procede de multiplexage de pilote dans un systeme ofdm et procede de reception ofdm |
KR20040035291A (ko) * | 2002-10-19 | 2004-04-29 | 삼성전자주식회사 | 주파수영역에 파일럿 톤을 삽입한 다중 반송파 송신시스템 및 그의 파일럿 삽입방법 |
CN1788443B (zh) * | 2003-07-29 | 2012-11-14 | 富士通株式会社 | Ofdm系统中的导频复用方法 |
CN1801680A (zh) * | 2005-08-23 | 2006-07-12 | 华为技术有限公司 | 基于交织频分多址的导频复用方法及其装置 |
-
2006
- 2006-08-23 CN CN2006101125781A patent/CN101132384B/zh active Active
-
2007
- 2007-08-02 WO PCT/CN2007/070405 patent/WO2008025273A1/zh active Application Filing
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN101841354A (zh) * | 2009-03-17 | 2010-09-22 | 大唐移动通信设备有限公司 | 一种下行测量导频传输方法和装置 |
CN101841355A (zh) * | 2009-03-17 | 2010-09-22 | 中兴通讯股份有限公司 | 解调导频映射的处理方法和装置 |
CN101841355B (zh) * | 2009-03-17 | 2013-12-11 | 中兴通讯股份有限公司 | 解调导频映射的处理方法和装置 |
CN101841354B (zh) * | 2009-03-17 | 2014-02-12 | 电信科学技术研究院 | 一种下行测量导频传输方法和装置 |
CN102014086B (zh) * | 2009-09-08 | 2013-07-24 | 电信科学技术研究院 | 一种基站信号发射处理方法及基站发射机 |
US11032834B2 (en) | 2016-06-20 | 2021-06-08 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Information transmission method and device |
US11528728B2 (en) | 2016-06-20 | 2022-12-13 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Information transmission method and device |
WO2018040974A1 (zh) * | 2016-09-05 | 2018-03-08 | 华为技术有限公司 | 传输导频的方法、终端设备和网络设备 |
US10819487B2 (en) | 2016-09-05 | 2020-10-27 | Huawei Technologies Co., Ltd. | Pilot transmission method, terminal device, and network device |
Also Published As
Publication number | Publication date |
---|---|
WO2008025273A1 (fr) | 2008-03-06 |
CN101132384B (zh) | 2011-01-12 |
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Owner name: INST OF TELECOMMUNICATION SCIENCE AND TECHNOLGOY Free format text: FORMER OWNER: DATANG MOBILE COMMUNICATION EQUIPMENT CO., LTD. Effective date: 20110427 |
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Free format text: CORRECT: ADDRESS; FROM: 100083 NO. 29, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING TO: 100083 NO. 40, XUEYUAN ROAD, HAIDIAN DISTRICT, BEIJING |
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Effective date of registration: 20110427 Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 Haidian District, Xueyuan Road, No. 29, Patentee before: DATANG MOBILE COMMUNICATIONS EQUIPMENT Co.,Ltd. |
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CP01 | Change in the name or title of a patent holder |
Address after: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee after: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY Address before: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |
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CP01 | Change in the name or title of a patent holder | ||
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Effective date of registration: 20210610 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: 100083 No. 40, Haidian District, Beijing, Xueyuan Road Patentee before: CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY |