CN102082755B - 一种下行导频的传输方法、装置 - Google Patents
一种下行导频的传输方法、装置 Download PDFInfo
- Publication number
- CN102082755B CN102082755B CN201010002542.4A CN201010002542A CN102082755B CN 102082755 B CN102082755 B CN 102082755B CN 201010002542 A CN201010002542 A CN 201010002542A CN 102082755 B CN102082755 B CN 102082755B
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- CN
- China
- Prior art keywords
- orthogonal sequence
- dedicated pilot
- port
- order number
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- H04L5/003—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
- 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
- H04B7/068—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 space frequency diversity
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0007—Code type
- H04J13/004—Orthogonal
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
- H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
- H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
- H04B2201/70701—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation featuring pilot assisted reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/0074—Code shifting or hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J13/00—Code division multiplex systems
- H04J13/16—Code allocation
- H04J2013/165—Joint allocation of code together with frequency or time
-
- 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
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
- H04L25/03006—Arrangements for removing intersymbol interference
- H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
- H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output channels
-
- 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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0016—Time-frequency-code
-
- 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
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
Abstract
Description
Set 0 | Set 1 | Set 2 | Set 3 | |
Code 1 | [1 1 1 1] | [1 1 1 1] | [1 1 1 1] | [1 1 1 1] |
Code 2 | [1 -1 1 -1] | [-1 1 -1 1] | [-1 1 -1 1] | [1 -1 1 -1] |
Code 3 | [1 -1 -1 1] | [-1 -1 1 1] | [1 1 -1 -1] | [-1 1 1 -1] |
Code 4 | [1 1 -1 -1] | [1 -1 -1 1] | [-1 1 1 -1] | [-1 -1 1 1] |
Set 0 | Set 1 | Set 2 | Set 3 | |
Code 1 | [1 1 1 1] | [1 1 1 1] | [1 1 1 1] | [1 1 1 1] |
Code 2 | [1 -1 1 -1] | [-1 1 -1 1] | [-1 1 -1 1] | [1 -1 1 -1] |
Code 3 | [1 -1 -1 1] | [-1 -1 1 1] | [1 1 -1 -1] | [-1 1 1 -1] |
Code 4 | [1 1 -1 -1] | [1 -1 -1 1] | [-1 1 1 -1] | [-1 -1 1 1] |
Claims (16)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010002542.4A CN102082755B (zh) | 2010-01-11 | 2010-01-11 | 一种下行导频的传输方法、装置 |
PCT/CN2011/070149 WO2011082697A1 (zh) | 2010-01-11 | 2011-01-11 | 一种下行导频的传输方法、装置 |
US13/521,659 US9780935B2 (en) | 2010-01-11 | 2011-01-11 | Method and device for transmitting downlink pilot |
EP11731698.4A EP2525540A4 (en) | 2010-01-11 | 2011-01-11 | METHOD AND APPARATUS FOR DOWNLINK PILOT TRANSMISSION |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201010002542.4A CN102082755B (zh) | 2010-01-11 | 2010-01-11 | 一种下行导频的传输方法、装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102082755A CN102082755A (zh) | 2011-06-01 |
CN102082755B true CN102082755B (zh) | 2016-06-08 |
Family
ID=44088509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010002542.4A Active CN102082755B (zh) | 2010-01-11 | 2010-01-11 | 一种下行导频的传输方法、装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9780935B2 (zh) |
EP (1) | EP2525540A4 (zh) |
CN (1) | CN102082755B (zh) |
WO (1) | WO2011082697A1 (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5793184B2 (ja) * | 2011-04-26 | 2015-10-14 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 送信装置、受信装置、送信方法、受信方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7848438B2 (en) | 2006-02-14 | 2010-12-07 | Motorola Mobility, Inc. | Method and apparatus for pilot signal transmission |
WO2008100213A2 (en) * | 2007-02-14 | 2008-08-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Codeword to layer mapping in a system implementing harq |
US8369299B2 (en) * | 2007-05-07 | 2013-02-05 | Qualcomm Incorporated | Method and apparatus for multiplexing CDM pilot and FDM data |
KR101548324B1 (ko) * | 2007-08-08 | 2015-09-07 | 한국전자통신연구원 | 무선통신시스템에서 신호형성방법 및 장치 |
CN101409583B (zh) * | 2007-10-11 | 2013-02-13 | 电信科学技术研究院 | 信号发送方法、信号发送装置 |
US20090168730A1 (en) * | 2007-10-29 | 2009-07-02 | Motorola, Inc. | Pilot Signal Allocation Method and Apparatus |
CN101431490A (zh) | 2007-10-30 | 2009-05-13 | 大唐移动通信设备有限公司 | 正交频分复用系统的导频插入方法、装置、基站和用户设备 |
KR101468226B1 (ko) * | 2008-03-19 | 2014-12-04 | 엘지전자 주식회사 | 무선 통신 시스템에서 랜덤 액세스를 위한 프리앰블 생성 방법 |
EP3609098B8 (en) * | 2008-10-30 | 2021-12-01 | Apple Inc. | Radio communication device and radio communication method |
KR101559794B1 (ko) * | 2009-02-17 | 2015-10-13 | 엘지전자 주식회사 | 시퀀스 생성 방법 및 이를 위한 장치 |
US8750257B2 (en) * | 2009-10-12 | 2014-06-10 | Lg Electronics Inc. | Method and apparatus for providing downlink reference signal transmission power information in a wireless communication system that supports multiple antennas |
KR101962140B1 (ko) * | 2010-11-17 | 2019-03-27 | 엘지전자 주식회사 | 무선 통신 시스템에서 하향링크제어채널을 송수신하는 방법 및 장치 |
-
2010
- 2010-01-11 CN CN201010002542.4A patent/CN102082755B/zh active Active
-
2011
- 2011-01-11 EP EP11731698.4A patent/EP2525540A4/en not_active Withdrawn
- 2011-01-11 WO PCT/CN2011/070149 patent/WO2011082697A1/zh active Application Filing
- 2011-01-11 US US13/521,659 patent/US9780935B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN102082755A (zh) | 2011-06-01 |
EP2525540A4 (en) | 2013-10-16 |
EP2525540A1 (en) | 2012-11-21 |
US20130016674A1 (en) | 2013-01-17 |
US9780935B2 (en) | 2017-10-03 |
WO2011082697A1 (zh) | 2011-07-14 |
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PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
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 |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210528 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 |