CN101248607A - 用于在扩频系统中辅助信道估计的自适应导频结构 - Google Patents
用于在扩频系统中辅助信道估计的自适应导频结构 Download PDFInfo
- Publication number
- CN101248607A CN101248607A CNA2006800312187A CN200680031218A CN101248607A CN 101248607 A CN101248607 A CN 101248607A CN A2006800312187 A CNA2006800312187 A CN A2006800312187A CN 200680031218 A CN200680031218 A CN 200680031218A CN 101248607 A CN101248607 A CN 101248607A
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- China
- Prior art keywords
- pilot symbol
- data
- symbol
- adaptive
- adaptive pilot
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- 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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- 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
- H04L5/0078—Timing of allocation
- H04L5/0085—Timing of allocation when channel conditions change
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
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- 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
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0226—Channel estimation using sounding signals sounding signals per se
-
- 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
-
- 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
- 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
- H04L5/0078—Timing of allocation
- H04L5/0087—Timing of allocation when data requirements change
-
- 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
- H04L25/0204—Channel estimation of multiple channels
-
- 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
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0202—Channel estimation
- H04L25/0224—Channel estimation using sounding signals
- H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
-
- 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
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (19)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2005904681 | 2005-08-26 | ||
AU2005904681A AU2005904681A0 (en) | 2005-08-26 | Adaptive pilot structure to assist channel estimation in spread spectrum systems | |
AU2006203697 | 2006-08-25 | ||
AU2006203697A AU2006203697A1 (en) | 2005-08-26 | 2006-08-25 | Adaptive pilot structure to assist channel estimation in spread spectrum systems |
PCT/JP2006/317290 WO2007024027A1 (en) | 2005-08-26 | 2006-08-25 | Adaptive pilot structure to assist channel estimation in spread spectrum systems |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012104956068A Division CN103078724A (zh) | 2005-08-26 | 2006-08-25 | 用于在扩频系统中辅助信道估计的自适应导频结构 |
CN2012104973896A Division CN103078725A (zh) | 2005-08-26 | 2006-08-25 | 用于在扩频系统中辅助信道估计的自适应导频结构 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101248607A true CN101248607A (zh) | 2008-08-20 |
CN101248607B CN101248607B (zh) | 2013-08-28 |
Family
ID=37771751
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012104956068A Pending CN103078724A (zh) | 2005-08-26 | 2006-08-25 | 用于在扩频系统中辅助信道估计的自适应导频结构 |
CN2006800312187A Expired - Fee Related CN101248607B (zh) | 2005-08-26 | 2006-08-25 | 一种在扩频通信系统中生成导频符号的方法及其基站 |
CN2012104973896A Pending CN103078725A (zh) | 2005-08-26 | 2006-08-25 | 用于在扩频系统中辅助信道估计的自适应导频结构 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012104956068A Pending CN103078724A (zh) | 2005-08-26 | 2006-08-25 | 用于在扩频系统中辅助信道估计的自适应导频结构 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012104973896A Pending CN103078725A (zh) | 2005-08-26 | 2006-08-25 | 用于在扩频系统中辅助信道估计的自适应导频结构 |
Country Status (6)
Country | Link |
---|---|
US (4) | US8094737B2 (zh) |
EP (3) | EP2566090B1 (zh) |
JP (3) | JP5099004B2 (zh) |
CN (3) | CN103078724A (zh) |
AU (1) | AU2006203697A1 (zh) |
WO (1) | WO2007024027A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102792653A (zh) * | 2009-12-08 | 2012-11-21 | 开普敦大学 | 用于提高动态频谱访问多载波系统中的信道估计性能的方法 |
CN114337968A (zh) * | 2021-12-28 | 2022-04-12 | 湖南智领通信科技有限公司 | 基于实时测控数据的主动式导频调整方法及装置 |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
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EA014592B1 (ru) * | 2005-09-01 | 2010-12-30 | Шарп Кабусики Кайся | Способ управления передачей сигналов в системе беспроводной связи |
EA016627B1 (ru) | 2005-10-31 | 2012-06-29 | Шарп Кабусики Кайся | Беспроводное передающее устройство |
EP1944893B1 (en) | 2005-10-31 | 2020-01-01 | Sharp Kabushiki Kaisha | Radio transmitter, radio communication system, and radio transmission method |
JP4611881B2 (ja) * | 2005-12-08 | 2011-01-12 | シャープ株式会社 | 適応変調制御装置、送信機、受信機、及び、適応変調制御方法 |
US20080057972A1 (en) * | 2006-09-05 | 2008-03-06 | Nokia Siemens Network Gmbh & Co., Kg | Method for allocating resources in a radio communication system |
EP4236145A3 (en) | 2006-10-31 | 2023-10-11 | Telefonaktiebolaget LM Ericsson (publ) | Method and apparatus for error control in telecommunications systems |
CN101193094B (zh) * | 2006-11-20 | 2011-10-19 | 电信科学技术研究院 | 一种发送广播/组播业务的方法及系统 |
CN101809929B (zh) | 2007-01-04 | 2016-11-23 | 诺基亚技术有限公司 | 对控制信道的时间频率资源的分配 |
US8036190B2 (en) * | 2007-02-27 | 2011-10-11 | Industrial Technology Research Institute | Methods and devices for allocating data in a wireless communication system |
KR101307123B1 (ko) * | 2007-05-04 | 2013-09-10 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 시스템에서의 데이터 송수신방법 및 장치 |
JP5382877B2 (ja) * | 2007-08-31 | 2014-01-08 | パナソニック株式会社 | 通信装置、受信装置、通信方法、受信方法、及び集積回路 |
CN101394382B (zh) * | 2007-09-19 | 2013-01-16 | 中兴通讯股份有限公司 | 基于宽带单载波系统减少导频序列碰撞的方法 |
US9100256B2 (en) * | 2009-01-15 | 2015-08-04 | Arndt Mueller | Systems and methods for determining the number of channel estimation symbols based on the channel coherence bandwidth |
US8532161B2 (en) * | 2009-06-22 | 2013-09-10 | Qualcomm Incorporated | Method and apparatus that facilitates estimating Doppler spread for uplink transmissions |
US9444589B2 (en) * | 2009-10-05 | 2016-09-13 | Qualcomm Incorporated | Method and apparatus for puncturing data regions for signals to minimize data loss |
WO2011077905A1 (ja) | 2009-12-24 | 2011-06-30 | 日本電気株式会社 | 無線通信装置、無線通信システムおよび無線通信方法 |
US8576936B2 (en) * | 2010-01-25 | 2013-11-05 | Harris Corporation | Method and apparatus for high speed data transmission modulation and demodulation |
US8824527B2 (en) * | 2011-11-15 | 2014-09-02 | Acorn Technologies, Inc. | OFDM receiver with time domain channel estimation |
CN103220237B (zh) * | 2012-01-20 | 2017-03-29 | 电信科学技术研究院 | 一种传输、接收cdma扩频符的方法及装置 |
US20130286961A1 (en) * | 2012-04-10 | 2013-10-31 | Qualcomm Incorporated | Systems and methods for wireless communication of long data units |
US8712331B2 (en) | 2012-04-13 | 2014-04-29 | Motorola Solutions, Inc. | Methods and apparatus for mitigating interference between co-located collaborating radios |
CN105594171B (zh) * | 2013-09-30 | 2019-03-22 | 沃尔沃汽车公司 | 用于向车载通信中的802.11p OFDM帧中引入补充训练符号的方法 |
CN104904173B (zh) * | 2013-12-26 | 2018-10-09 | 华为技术有限公司 | 信号的调制及数字信息的恢复方法、通信设备及系统 |
US10868650B2 (en) * | 2015-05-27 | 2020-12-15 | Qualcomm Incorporated | Pilot reconfiguration and retransmission in wireless networks |
US11223402B1 (en) | 2020-08-07 | 2022-01-11 | Facebook, Inc. | Assisted channel approximation for wireless communication of a supercell base station |
EP4356571A1 (en) * | 2021-06-15 | 2024-04-24 | Nokia Technologies Oy | Channel prediction error determination and related transmission of reference signals |
Family Cites Families (16)
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JP2000151548A (ja) * | 1998-11-05 | 2000-05-30 | Matsushita Electric Ind Co Ltd | Ofdm通信装置 |
US6654429B1 (en) * | 1998-12-31 | 2003-11-25 | At&T Corp. | Pilot-aided channel estimation for OFDM in wireless systems |
JP4284774B2 (ja) * | 1999-09-07 | 2009-06-24 | ソニー株式会社 | 送信装置、受信装置、通信システム、送信方法及び通信方法 |
AU2002214285A1 (en) * | 2000-11-17 | 2002-05-27 | Matsushita Electric Industrial Co., Ltd. | Ofdm communication device |
DE60034582T2 (de) * | 2000-12-14 | 2008-01-31 | Lucent Technologies Inc. | Verfahren zur Regelung der Dienstgüte eines CDMA-basierenden Systems |
US6441786B1 (en) * | 2001-07-20 | 2002-08-27 | Motorola, Inc. | Adaptive antenna array and method for control thereof |
JP2003158499A (ja) * | 2001-11-20 | 2003-05-30 | Mitsubishi Electric Corp | 通信方法および通信装置 |
KR100790114B1 (ko) * | 2002-03-16 | 2007-12-31 | 삼성전자주식회사 | 직교주파수 분할다중 접속 시스템에서 적응적 파일럿반송파 할당 방법 및 장치 |
KR100507519B1 (ko) * | 2002-12-13 | 2005-08-17 | 한국전자통신연구원 | Ofdma 기반 셀룰러 시스템의 하향링크를 위한 신호구성 방법 및 장치 |
KR100474315B1 (ko) * | 2002-12-17 | 2005-03-10 | 엘지전자 주식회사 | 기지국 수신모뎀 다중경로 탐색기의 신호 검출장치 및 그운용방법 |
US6904550B2 (en) * | 2002-12-30 | 2005-06-07 | Motorola, Inc. | Velocity enhancement for OFDM systems |
JP4546177B2 (ja) * | 2003-07-28 | 2010-09-15 | パナソニック株式会社 | 無線通信装置および無線通信方法 |
EP1646170B1 (en) | 2003-08-20 | 2019-10-09 | Godo Kaisha IP Bridge 1 | Radio communication apparatus and subcarrier assignment method |
JP4358158B2 (ja) * | 2005-03-31 | 2009-11-04 | 株式会社エヌ・ティ・ティ・ドコモ | 送信装置および割当方法 |
US7474611B2 (en) * | 2005-04-21 | 2009-01-06 | Telefonaktiebolaget L M Ericsson (Publ) | Reduced complexity channel estimation in OFDM systems |
US8073063B2 (en) * | 2005-08-23 | 2011-12-06 | Nortel Networks Limited | Methods and systems for orthogonal frequency division multiplexing (OFDM) multiple zone partitioning |
-
2006
- 2006-08-25 WO PCT/JP2006/317290 patent/WO2007024027A1/en active Application Filing
- 2006-08-25 EP EP12193780.9A patent/EP2566090B1/en not_active Expired - Fee Related
- 2006-08-25 EP EP12193779A patent/EP2566089A3/en not_active Withdrawn
- 2006-08-25 CN CN2012104956068A patent/CN103078724A/zh active Pending
- 2006-08-25 US US12/064,727 patent/US8094737B2/en active Active
- 2006-08-25 CN CN2006800312187A patent/CN101248607B/zh not_active Expired - Fee Related
- 2006-08-25 CN CN2012104973896A patent/CN103078725A/zh active Pending
- 2006-08-25 EP EP06783151.1A patent/EP1917748B1/en not_active Expired - Fee Related
- 2006-08-25 AU AU2006203697A patent/AU2006203697A1/en not_active Abandoned
- 2006-08-25 JP JP2008505675A patent/JP5099004B2/ja not_active Expired - Fee Related
-
2012
- 2012-01-09 US US13/346,431 patent/US20120106596A1/en not_active Abandoned
- 2012-05-02 JP JP2012105301A patent/JP5333628B2/ja not_active Expired - Fee Related
- 2012-07-30 JP JP2012168454A patent/JP2013009382A/ja active Pending
- 2012-10-02 US US13/633,603 patent/US8576935B2/en active Active
- 2012-10-02 US US13/633,564 patent/US8588271B2/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102792653A (zh) * | 2009-12-08 | 2012-11-21 | 开普敦大学 | 用于提高动态频谱访问多载波系统中的信道估计性能的方法 |
CN114337968A (zh) * | 2021-12-28 | 2022-04-12 | 湖南智领通信科技有限公司 | 基于实时测控数据的主动式导频调整方法及装置 |
Also Published As
Publication number | Publication date |
---|---|
JP5099004B2 (ja) | 2012-12-12 |
EP2566090B1 (en) | 2015-10-14 |
AU2006203697A1 (en) | 2007-03-15 |
US20090279589A1 (en) | 2009-11-12 |
JP2009506583A (ja) | 2009-02-12 |
US8576935B2 (en) | 2013-11-05 |
WO2007024027A1 (en) | 2007-03-01 |
JP5333628B2 (ja) | 2013-11-06 |
US20120106596A1 (en) | 2012-05-03 |
EP1917748A4 (en) | 2013-04-10 |
CN101248607B (zh) | 2013-08-28 |
CN103078725A (zh) | 2013-05-01 |
JP2012199935A (ja) | 2012-10-18 |
JP2013009382A (ja) | 2013-01-10 |
EP2566090A2 (en) | 2013-03-06 |
EP2566089A3 (en) | 2013-04-03 |
US8588271B2 (en) | 2013-11-19 |
US8094737B2 (en) | 2012-01-10 |
US20130028294A1 (en) | 2013-01-31 |
CN103078724A (zh) | 2013-05-01 |
EP2566089A2 (en) | 2013-03-06 |
EP1917748A1 (en) | 2008-05-07 |
EP2566090A3 (en) | 2013-04-03 |
EP1917748B1 (en) | 2018-02-28 |
US20130070678A1 (en) | 2013-03-21 |
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Granted publication date: 20130828 Termination date: 20200825 |