CN101330486B - 下行专用导频的传输方法与装置 - Google Patents
下行专用导频的传输方法与装置 Download PDFInfo
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- CN101330486B CN101330486B CN2007101176970A CN200710117697A CN101330486B CN 101330486 B CN101330486 B CN 101330486B CN 2007101176970 A CN2007101176970 A CN 2007101176970A CN 200710117697 A CN200710117697 A CN 200710117697A CN 101330486 B CN101330486 B CN 101330486B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims description 7
- 238000002203 pretreatment Methods 0.000 claims description 3
- 230000011664 signaling Effects 0.000 abstract description 26
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 16
- 238000012546 transfer Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 108091092195 Intron Proteins 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
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Classifications
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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
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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 (10)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101176970A CN101330486B (zh) | 2007-06-21 | 2007-06-21 | 下行专用导频的传输方法与装置 |
PCT/CN2008/071155 WO2008154833A1 (fr) | 2007-06-21 | 2008-05-30 | Procédé et dispositif de transmission d'onde pilote dédiée en liaison descendante |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2007101176970A CN101330486B (zh) | 2007-06-21 | 2007-06-21 | 下行专用导频的传输方法与装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101330486A CN101330486A (zh) | 2008-12-24 |
CN101330486B true CN101330486B (zh) | 2011-07-13 |
Family
ID=40155894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2007101176970A Active CN101330486B (zh) | 2007-06-21 | 2007-06-21 | 下行专用导频的传输方法与装置 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN101330486B (zh) |
WO (1) | WO2008154833A1 (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101771452B (zh) * | 2008-12-26 | 2013-12-04 | 电信科学技术研究院 | 波束赋形颗粒度的指示方法、系统及设备 |
US8755807B2 (en) * | 2009-01-12 | 2014-06-17 | Qualcomm Incorporated | Semi-static resource allocation to support coordinated multipoint (CoMP) transmission in a wireless communication network |
CN101841357B (zh) * | 2009-03-16 | 2014-06-11 | 夏普株式会社 | 下行数据传输方法、基站和用户设备 |
CN101938698A (zh) * | 2009-06-29 | 2011-01-05 | 中兴通讯股份有限公司 | 多播信道传输块的承载方法与装置 |
CN101969364B (zh) * | 2009-07-28 | 2013-06-05 | 华为技术有限公司 | 多天线发射方法及装置 |
RU2494541C1 (ru) * | 2009-08-17 | 2013-09-27 | Алькатель Люсент | Способ и ассоциированное устройство для сохранения когерентности канала предварительного кодирования в сети связи |
CN102035777B (zh) * | 2009-09-24 | 2014-03-12 | 中兴通讯股份有限公司 | 解调导频的处理方法和系统、配置方法、基站、用户设备 |
EP2485446A1 (en) * | 2009-09-29 | 2012-08-08 | Fujitsu Limited | Method and device for adding pilot |
WO2011044734A1 (en) * | 2009-10-16 | 2011-04-21 | Nokia Siemens Networks Oy | Method and apparatus for transmitting physical signals |
CN102075303B (zh) | 2009-11-25 | 2014-06-04 | 华为技术有限公司 | 导频发送方法和装置 |
CN102726016B (zh) * | 2009-12-04 | 2015-11-25 | 爱立信(中国)通信有限公司 | 用于无线通信系统中信道估计的设备和方法 |
CN101867533B (zh) * | 2010-05-27 | 2012-10-24 | 东南大学 | 空分多址多天线传输下行链路导频与信道估计方法 |
CN102469059B (zh) * | 2010-11-15 | 2015-10-28 | 中兴通讯股份有限公司 | 解调参考信号承载方法及装置 |
AU2011338136B2 (en) * | 2011-01-27 | 2016-10-06 | Commonwealth Scientific And Industrial Research Organisation | Reducing out-of-band emission |
CN105959046B (zh) * | 2016-05-30 | 2019-05-10 | 上海华为技术有限公司 | 一种波束赋形方法、信号发射设备以及信号接收设备 |
CN107889196B (zh) * | 2016-09-29 | 2023-11-10 | 华为技术有限公司 | 一种信号处理方法、设备及系统 |
EP3500003A4 (en) | 2016-11-30 | 2019-09-18 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | INFORMATION TRANSMISSION, DEVICE AND NETWORK DEVICE |
CN111200488A (zh) * | 2018-11-20 | 2020-05-26 | 普天信息技术有限公司 | 基于d2d的无线帧结构的下行信道的导频配置方法及装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1392692A (zh) * | 2001-06-20 | 2003-01-22 | 深圳市中兴通讯股份有限公司 | 一种阵列天线全自适应权值更新方法及其装置 |
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2007
- 2007-06-21 CN CN2007101176970A patent/CN101330486B/zh active Active
-
2008
- 2008-05-30 WO PCT/CN2008/071155 patent/WO2008154833A1/zh active Application Filing
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1392692A (zh) * | 2001-06-20 | 2003-01-22 | 深圳市中兴通讯股份有限公司 | 一种阵列天线全自适应权值更新方法及其装置 |
Non-Patent Citations (1)
Title |
---|
CATT.Downlink reference signal aspects for non-codebook based pre-coding in TDD mode.3GPP TSG-RAN WG1 MEETING#46 R1-062292.2006,正文第2-3节、图1-3. * |
Also Published As
Publication number | Publication date |
---|---|
WO2008154833A1 (fr) | 2008-12-24 |
CN101330486A (zh) | 2008-12-24 |
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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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