CN102356574B - 将下行链路解调参考信号***到ofdm帧中 - Google Patents
将下行链路解调参考信号***到ofdm帧中 Download PDFInfo
- Publication number
- CN102356574B CN102356574B CN201080012391.9A CN201080012391A CN102356574B CN 102356574 B CN102356574 B CN 102356574B CN 201080012391 A CN201080012391 A CN 201080012391A CN 102356574 B CN102356574 B CN 102356574B
- Authority
- CN
- China
- Prior art keywords
- reference signal
- specific
- layer
- reference signals
- ofdm
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/02—Channels characterised by the type of signal
- H04L5/023—Multiplexing of multicarrier modulation signals
-
- 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
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/14—Arrangements providing for calling or supervisory signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radio Transmission System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (16)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2009901193A AU2009901193A0 (en) | 2009-03-19 | Insertion of downlink demodulation reference signal into OFDM frames | |
AU2009901193 | 2009-03-19 | ||
PCT/JP2010/053598 WO2010106923A1 (en) | 2009-03-19 | 2010-02-26 | Insertion of downlink demodulation reference signals into ofdm frames |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102356574A CN102356574A (zh) | 2012-02-15 |
CN102356574B true CN102356574B (zh) | 2014-08-20 |
Family
ID=42739586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201080012391.9A Expired - Fee Related CN102356574B (zh) | 2009-03-19 | 2010-02-26 | 将下行链路解调参考信号***到ofdm帧中 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8953430B2 (zh) |
EP (1) | EP2409434A4 (zh) |
JP (1) | JP5541290B2 (zh) |
KR (1) | KR101280984B1 (zh) |
CN (1) | CN102356574B (zh) |
WO (1) | WO2010106923A1 (zh) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101027863B (zh) * | 2004-09-27 | 2012-06-27 | 夏普株式会社 | 无线发送装置 |
KR20110048405A (ko) * | 2009-11-02 | 2011-05-11 | 주식회사 팬택 | 복조 기준 신호 매핑 방법, 전송방법 및 그를 이용하는 통신단말장치 |
KR101606803B1 (ko) * | 2010-04-29 | 2016-03-28 | 엘지전자 주식회사 | 제어정보의 전송방법 및 기지국과, 제어정보의 수신방법 및 사용자기기 |
US8855053B2 (en) | 2010-06-18 | 2014-10-07 | Mediatek Inc. | Sounding mechanism and configuration under carrier aggregation |
US8837394B2 (en) | 2010-06-18 | 2014-09-16 | Mediatek Inc. | Sounding mechanism under carrier aggregation |
US9014020B2 (en) * | 2011-05-02 | 2015-04-21 | Blackberry Limited | Methods and systems of wireless communication with remote radio heads |
WO2012151064A2 (en) | 2011-05-02 | 2012-11-08 | Research In Motion Limted | Methods and system of wireless communication with remote radio heads |
US20120282936A1 (en) * | 2011-05-02 | 2012-11-08 | Research In Motion Limited | Methods of PDCCH Capacity Enhancement in LTE Systems |
US9344247B2 (en) | 2011-09-09 | 2016-05-17 | Lg Electronics Inc. | Method for transmitting and receiving UE-specific reference signal and apparatus for same |
GB2506153A (en) * | 2012-09-21 | 2014-03-26 | Sony Corp | A base station punctures OFDM reference symbols to provide fast physical-layer signaling of periods during which a terminal may enter a low power mode. |
US8837271B1 (en) | 2012-10-04 | 2014-09-16 | Sprint Spectrum L.P. | Method and system for sharing a downlink resource block among multiple users |
KR102043023B1 (ko) * | 2012-11-09 | 2019-11-12 | 삼성전자주식회사 | 이동 통신 시스템에서 다중-접속 신호 생성/복원 방법 및 장치 |
BR112016028057B1 (pt) | 2014-06-12 | 2023-02-23 | Huawei Technoligies Co., Ltd | Método de alocação de recursos e estação base |
US9622233B1 (en) | 2014-06-16 | 2017-04-11 | Sprint Spectrum L.P. | Dynamic use of orthogonal coding to manage control channel capacity |
CN107295542B (zh) * | 2016-03-31 | 2023-11-03 | 华为技术有限公司 | 信息的传输方法、用户设备和网络设备 |
US10256957B2 (en) | 2016-08-12 | 2019-04-09 | Innovative Technology Lab Co., Ltd. | Method and apparatus for transmitting/receiving positioning reference signal |
CN108024339B (zh) | 2016-11-03 | 2023-10-24 | 华为技术有限公司 | 一种确定参考信号映射的时域资源的方法和装置 |
CN108023701B (zh) * | 2016-11-04 | 2021-07-20 | 华为技术有限公司 | 一种信息传输方法、装置和*** |
JP6533298B2 (ja) | 2016-12-07 | 2019-06-19 | 三菱電機株式会社 | 送信装置、通信システムおよび送信方法 |
CN108282302B (zh) | 2017-01-06 | 2021-01-01 | 华为技术有限公司 | 一种参考信号发送方法、接收方法及装置 |
JP7074143B2 (ja) * | 2017-04-27 | 2022-05-24 | 日本電気株式会社 | 方法およびユーザ機器 |
CN109660324B (zh) * | 2017-10-11 | 2021-01-08 | 维沃移动通信有限公司 | 解调参考信号传输方法、网络设备及终端 |
KR102637452B1 (ko) | 2018-08-17 | 2024-02-16 | 주식회사 아이티엘 | Nr v2x 시스템을 위한 동기화 신호 송수신 방법 및 그 장치 |
CN110311770B (zh) * | 2019-07-05 | 2022-08-23 | 北京神经元网络技术有限公司 | 基于ofdm通信体制的高速工业通信***的时频复用方法 |
US11219011B1 (en) | 2020-03-18 | 2022-01-04 | Sprint Spectrum L.P. | Coordinated use of enhanced downlink control channels (ePDCCHs) in shared spectrum |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100190486A1 (en) | 2007-05-31 | 2010-07-29 | Panasonic Corporation | Radio communication mobile station device and cdd mode judging method |
US8798183B2 (en) * | 2007-08-13 | 2014-08-05 | Qualcomm Incorporated | Feedback and rate adaptation for MIMO transmission in a time division duplexed (TDD) communication system |
US20090268910A1 (en) * | 2008-04-28 | 2009-10-29 | Samsung Electronics Co., Ltd. | Apparatus and method for initialization of a scrambling sequence for a downlink reference signal in a wireless network |
-
2010
- 2010-02-26 JP JP2011538558A patent/JP5541290B2/ja not_active Expired - Fee Related
- 2010-02-26 KR KR1020117021363A patent/KR101280984B1/ko not_active IP Right Cessation
- 2010-02-26 US US13/138,642 patent/US8953430B2/en not_active Expired - Fee Related
- 2010-02-26 EP EP10753418.2A patent/EP2409434A4/en not_active Withdrawn
- 2010-02-26 CN CN201080012391.9A patent/CN102356574B/zh not_active Expired - Fee Related
- 2010-02-26 WO PCT/JP2010/053598 patent/WO2010106923A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
Nortel.Design Aspect for Higher-order MIMO in LTE-advanced.《3GPP TSG-RAN Working Group 1 Meeting #55b R1-090144 》.2009,第6、7页. * |
Also Published As
Publication number | Publication date |
---|---|
EP2409434A1 (en) | 2012-01-25 |
JP2012521102A (ja) | 2012-09-10 |
WO2010106923A8 (en) | 2011-10-13 |
KR20110127208A (ko) | 2011-11-24 |
EP2409434A4 (en) | 2015-08-12 |
JP5541290B2 (ja) | 2014-07-09 |
KR101280984B1 (ko) | 2013-07-08 |
WO2010106923A1 (en) | 2010-09-23 |
US20120002746A1 (en) | 2012-01-05 |
US8953430B2 (en) | 2015-02-10 |
CN102356574A (zh) | 2012-02-15 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: LENOVO INNOVATION CO., LTD. (HONGKONG) Free format text: FORMER OWNER: NEC CORP. Effective date: 20141124 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; TO: HONG KONG, CHINA |
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TR01 | Transfer of patent right |
Effective date of registration: 20141124 Address after: Hongkong, China Patentee after: LENOVO INNOVATIONS Co.,Ltd.(HONG KONG) Address before: Tokyo, Japan Patentee before: NEC Corp. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20180226 |
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CF01 | Termination of patent right due to non-payment of annual fee |