WO2009028589A1 - 通信装置 - Google Patents
通信装置 Download PDFInfo
- Publication number
- WO2009028589A1 WO2009028589A1 PCT/JP2008/065370 JP2008065370W WO2009028589A1 WO 2009028589 A1 WO2009028589 A1 WO 2009028589A1 JP 2008065370 W JP2008065370 W JP 2008065370W WO 2009028589 A1 WO2009028589 A1 WO 2009028589A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- amplitude
- communication apparatus
- side lobes
- time axis
- waveform
- Prior art date
Links
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
-
- 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
- H04L25/03828—Arrangements for spectral shaping; Arrangements for providing signals with specified spectral properties
-
- 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
- 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
- H04L27/2626—Arrangements specific to the transmitter only
-
- 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
- H04L27/2647—Arrangements specific to the receiver only
-
- 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
-
- 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
- H04L2025/03375—Passband transmission
- H04L2025/03414—Multicarrier
-
- 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
- H04L2025/03433—Arrangements for removing intersymbol interference characterised by equaliser structure
- H04L2025/03439—Fixed structures
- H04L2025/03522—Frequency domain
-
- 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
- H04L25/0202—Channel estimation
- H04L25/0212—Channel estimation of impulse response
- H04L25/0216—Channel estimation of impulse response with estimation of channel length
-
- 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
- H04L27/2626—Arrangements specific to the transmitter only
- H04L27/26265—Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Power Engineering (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Abstract
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08828779A EP2187552A4 (en) | 2007-08-28 | 2008-08-28 | COMMUNICATION APPARATUS |
US12/675,696 US20100220797A1 (en) | 2007-08-28 | 2008-08-28 | Communication apparatus |
CN200880105123A CN101796755A (zh) | 2007-08-28 | 2008-08-28 | 通信装置 |
JP2009530169A JPWO2009028589A1 (ja) | 2007-08-28 | 2008-08-28 | 通信装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007221367 | 2007-08-28 | ||
JP2007-221367 | 2007-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009028589A1 true WO2009028589A1 (ja) | 2009-03-05 |
Family
ID=40387303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/065370 WO2009028589A1 (ja) | 2007-08-28 | 2008-08-28 | 通信装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100220797A1 (ja) |
EP (1) | EP2187552A4 (ja) |
JP (1) | JPWO2009028589A1 (ja) |
CN (1) | CN101796755A (ja) |
WO (1) | WO2009028589A1 (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011092783A1 (ja) * | 2010-02-01 | 2011-08-04 | 日本電気株式会社 | チャネル推定値補間回路及び方法 |
WO2011108429A1 (ja) * | 2010-03-05 | 2011-09-09 | 日本電気株式会社 | チャネル推定回路、チャネル推定方法および受信機 |
JP2013201549A (ja) * | 2012-03-23 | 2013-10-03 | Fujitsu Semiconductor Ltd | 送信器 |
JP2014212384A (ja) * | 2013-04-17 | 2014-11-13 | パナソニック株式会社 | 無線送信装置及び無線送信方法 |
JP2017204895A (ja) * | 2013-05-16 | 2017-11-16 | 華為技術有限公司Huawei Technologies Co.,Ltd. | 信号補償のための多入力多出力直交周波数分割多重通信のシステムおよび方法 |
US10594521B2 (en) | 2014-05-29 | 2020-03-17 | Qualcomm Incorporated | Asynchronous multicarrier communications |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8873655B2 (en) * | 2013-01-10 | 2014-10-28 | Intel Corporation | Sending information at a band edge within an orthogonal frequency-division multiplexing (OFDM) symbol |
US10701685B2 (en) | 2014-03-31 | 2020-06-30 | Huawei Technologies Co., Ltd. | Method and apparatus for asynchronous OFDMA/SC-FDMA |
US10531432B2 (en) | 2015-03-25 | 2020-01-07 | Huawei Technologies Co., Ltd. | System and method for resource allocation for sparse code multiple access transmissions |
US9419770B2 (en) * | 2014-03-31 | 2016-08-16 | Huawei Technologies Co., Ltd. | Method and apparatus for asynchronous OFDMA/SC-FDMA |
US11799707B2 (en) * | 2022-09-06 | 2023-10-24 | Ultralogic 6G, Llc | Guard-space phase-tracking reference signal for 5G and 6G networking |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006019709A1 (en) * | 2004-07-20 | 2006-02-23 | Qualcomm Incorporated | Frequency domain filtering to improve channel estimation in multicarrier systems |
JP2007074351A (ja) * | 2005-09-07 | 2007-03-22 | Sharp Corp | マルチキャリア無線通信システム、送信機及び受信機並びにマルチキャリア無線通信方法 |
WO2007139026A1 (ja) * | 2006-05-25 | 2007-12-06 | Sharp Kabushiki Kaisha | 受信機および伝搬路推定方法 |
JP2007329588A (ja) * | 2006-06-06 | 2007-12-20 | Fujitsu Ltd | 送信機及び送信方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1355467B8 (en) * | 2002-04-16 | 2005-12-07 | Sony Deutschland Gmbh | Orthogonal frequency division multiplexing (OFDM) system with channel transfer function prediction |
JP4113417B2 (ja) * | 2002-11-15 | 2008-07-09 | 松下電器産業株式会社 | 基地局装置および送信方法 |
CN101023645A (zh) * | 2004-07-20 | 2007-08-22 | 高通股份有限公司 | 在多载波系统中改善信道估计的频域滤波 |
WO2006059371A1 (ja) * | 2004-11-30 | 2006-06-08 | Fujitsu Limited | 移動局装置および同装置におけるデータ通信速度予測方法 |
US20060140289A1 (en) * | 2004-12-27 | 2006-06-29 | Mandyam Giridhar D | Method and apparatus for providing an efficient pilot scheme for channel estimation |
KR101137345B1 (ko) * | 2005-07-03 | 2012-04-23 | 엘지전자 주식회사 | 이동 통신 시스템에서 분산된 파일럿 신호가 포함된 신호를송수신하는 방법 |
US20070041457A1 (en) * | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
JP4847963B2 (ja) * | 2005-10-05 | 2011-12-28 | シャープ株式会社 | マルチキャリア受信装置 |
US7783260B2 (en) * | 2006-04-27 | 2010-08-24 | Crestcom, Inc. | Method and apparatus for adaptively controlling signals |
-
2008
- 2008-08-28 EP EP08828779A patent/EP2187552A4/en not_active Withdrawn
- 2008-08-28 CN CN200880105123A patent/CN101796755A/zh active Pending
- 2008-08-28 JP JP2009530169A patent/JPWO2009028589A1/ja active Pending
- 2008-08-28 WO PCT/JP2008/065370 patent/WO2009028589A1/ja active Application Filing
- 2008-08-28 US US12/675,696 patent/US20100220797A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006019709A1 (en) * | 2004-07-20 | 2006-02-23 | Qualcomm Incorporated | Frequency domain filtering to improve channel estimation in multicarrier systems |
JP2007074351A (ja) * | 2005-09-07 | 2007-03-22 | Sharp Corp | マルチキャリア無線通信システム、送信機及び受信機並びにマルチキャリア無線通信方法 |
WO2007139026A1 (ja) * | 2006-05-25 | 2007-12-06 | Sharp Kabushiki Kaisha | 受信機および伝搬路推定方法 |
JP2007329588A (ja) * | 2006-06-06 | 2007-12-20 | Fujitsu Ltd | 送信機及び送信方法 |
Non-Patent Citations (2)
Title |
---|
NANBA H. ET AL.: "OFDM ni okeru teidenryoku hojo pilot o mochiita denpanro suitei seido no kaizen hoho", PROCEEDINGS OF THE 2007 SOCIETY CONFERENCE OF IEICE 1, vol. 5, no. 84, 29 August 2007 (2007-08-29), pages 406, XP008131790 * |
See also references of EP2187552A4 * |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011092783A1 (ja) * | 2010-02-01 | 2011-08-04 | 日本電気株式会社 | チャネル推定値補間回路及び方法 |
CN102742192A (zh) * | 2010-02-01 | 2012-10-17 | 日本电气株式会社 | 信道估计内插电路和方法 |
US8817901B2 (en) | 2010-02-01 | 2014-08-26 | Nec Corporation | Channel estimate interpolation circuit and method |
JP5601330B2 (ja) * | 2010-02-01 | 2014-10-08 | 日本電気株式会社 | チャネル推定値補間回路及び方法 |
CN102742192B (zh) * | 2010-02-01 | 2015-08-19 | 日本电气株式会社 | 信道估计内插电路和方法 |
WO2011108429A1 (ja) * | 2010-03-05 | 2011-09-09 | 日本電気株式会社 | チャネル推定回路、チャネル推定方法および受信機 |
CN102792617A (zh) * | 2010-03-05 | 2012-11-21 | 日本电气株式会社 | 信道估计电路、信道估计方法和接收机 |
JPWO2011108429A1 (ja) * | 2010-03-05 | 2013-06-27 | 日本電気株式会社 | チャネル推定回路、チャネル推定方法および受信機 |
JP2013201549A (ja) * | 2012-03-23 | 2013-10-03 | Fujitsu Semiconductor Ltd | 送信器 |
JP2014212384A (ja) * | 2013-04-17 | 2014-11-13 | パナソニック株式会社 | 無線送信装置及び無線送信方法 |
JP2017204895A (ja) * | 2013-05-16 | 2017-11-16 | 華為技術有限公司Huawei Technologies Co.,Ltd. | 信号補償のための多入力多出力直交周波数分割多重通信のシステムおよび方法 |
US10594521B2 (en) | 2014-05-29 | 2020-03-17 | Qualcomm Incorporated | Asynchronous multicarrier communications |
Also Published As
Publication number | Publication date |
---|---|
EP2187552A4 (en) | 2012-10-03 |
JPWO2009028589A1 (ja) | 2010-12-02 |
US20100220797A1 (en) | 2010-09-02 |
CN101796755A (zh) | 2010-08-04 |
EP2187552A1 (en) | 2010-05-19 |
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