CN101512999B - 用于在基于ofdm/ofdma的mimo***中估计和补偿时间偏移和/或载频偏移的设备和方法 - Google Patents
用于在基于ofdm/ofdma的mimo***中估计和补偿时间偏移和/或载频偏移的设备和方法 Download PDFInfo
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- CN101512999B CN101512999B CN2007800320065A CN200780032006A CN101512999B CN 101512999 B CN101512999 B CN 101512999B CN 2007800320065 A CN2007800320065 A CN 2007800320065A CN 200780032006 A CN200780032006 A CN 200780032006A CN 101512999 B CN101512999 B CN 101512999B
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- 238000000034 method Methods 0.000 title claims abstract description 91
- 238000004891 communication Methods 0.000 title claims description 45
- 230000005540 biological transmission Effects 0.000 claims description 118
- 101100517651 Caenorhabditis elegans num-1 gene Proteins 0.000 claims description 59
- 238000009825 accumulation Methods 0.000 claims description 17
- 238000004088 simulation Methods 0.000 claims description 12
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- 238000010276 construction Methods 0.000 description 9
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- 238000012935 Averaging Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
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- 101100042630 Caenorhabditis elegans sin-3 gene Proteins 0.000 description 1
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- 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
- H04L27/2655—Synchronisation arrangements
- H04L27/2668—Details of algorithms
- H04L27/2673—Details of algorithms characterised by synchronisation parameters
- H04L27/2675—Pilot or known symbols
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- 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
- H04B7/0413—MIMO systems
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Abstract
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Claims (70)
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020060082844 | 2006-08-30 | ||
KR1020060082844A KR100808463B1 (ko) | 2006-08-30 | 2006-08-30 | 직교 주파수 분할 다중 또는 직교 주파수 분할 다중접속방식을 지원하는 다중입출력 통신 시스템에서 시간오프셋 추정 장치 및 그 방법 |
KR10-2006-0082844 | 2006-08-30 | ||
KR10-2006-0091761 | 2006-09-21 | ||
KR1020060091761A KR100818770B1 (ko) | 2006-09-21 | 2006-09-21 | 직교 주파수 분할 다중 또는 직교 주파수 분할 다중 접속방식을 지원하는 다중입출력 통신 시스템에서 반송파주파수 오프셋 추정 장치 및 그 방법 |
KR1020060091761 | 2006-09-21 | ||
KR1020060104108A KR100833123B1 (ko) | 2006-10-25 | 2006-10-25 | 직교 주파수 분할 다중 통신 시스템에서 반송파 주파수오프셋 및 타임 오프셋 보상 장치 및 그 방법 |
KR10-2006-0104108 | 2006-10-25 | ||
KR1020060104108 | 2006-10-25 | ||
PCT/KR2007/004194 WO2008026891A1 (en) | 2006-08-30 | 2007-08-30 | Apparatus and method for estimating and compensating time offset and/or carrier frequency offset in mimo system based ofdm/ofdma |
Publications (2)
Publication Number | Publication Date |
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CN101512999A CN101512999A (zh) | 2009-08-19 |
CN101512999B true CN101512999B (zh) | 2013-12-04 |
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CN2007800320065A Active CN101512999B (zh) | 2006-08-30 | 2007-08-30 | 用于在基于ofdm/ofdma的mimo***中估计和补偿时间偏移和/或载频偏移的设备和方法 |
Country Status (2)
Country | Link |
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KR (1) | KR100808463B1 (zh) |
CN (1) | CN101512999B (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102075460B (zh) * | 2009-11-20 | 2014-01-01 | 中兴通讯股份有限公司 | 一种基于数据的频偏估计方法和装置 |
EP2612478A4 (en) * | 2010-08-30 | 2017-12-20 | Google Technology Holdings LLC | Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction |
US8548033B2 (en) * | 2010-12-23 | 2013-10-01 | Microchip Technology Incorporated | Automatic frequency control under low signal-to-noise conditions |
KR101114849B1 (ko) | 2010-12-30 | 2012-03-07 | 성균관대학교산학협력단 | 직교 주파수 분할 다중화 시스템을 위한 동기 방법 및 장치 |
CN102790737B (zh) * | 2011-05-17 | 2017-11-28 | 中兴通讯股份有限公司 | 一种***的同步方法及装置 |
KR101687243B1 (ko) * | 2011-09-27 | 2016-12-16 | 한국전자통신연구원 | 고효율 위성전송을 위한 위상잡음에 강인한 데이터 송수신 방법 및 장치 |
CN103546398B (zh) * | 2012-07-16 | 2018-08-14 | 深圳市中兴微电子技术有限公司 | 一种长期演进***邻区测量方法及装置 |
CN102970258B (zh) * | 2012-12-11 | 2015-08-12 | 北京北方烽火科技有限公司 | 一种频偏估计方法和装置 |
CN104283819B (zh) * | 2013-07-01 | 2018-07-03 | 华为技术有限公司 | 信道估计处理方法、装置和通信设备 |
CN104980375A (zh) * | 2014-04-03 | 2015-10-14 | 中兴通讯股份有限公司 | 一种基于差分相位的频偏估计方法及装置 |
US10523348B2 (en) * | 2015-01-16 | 2019-12-31 | RF DSP Inc. | Uplink signal to interference plus noise ratio estimation for massive MIMO communication systems |
CN106452674B (zh) * | 2016-09-30 | 2019-04-12 | 西安交通大学 | 一种基于802.11ac网络的实际数据包恢复方法 |
CN106452531B (zh) * | 2016-10-27 | 2019-07-23 | 西安交通大学 | 一种基于大规模mimo的多用户上行链路频率同步方法 |
US10382244B2 (en) * | 2017-02-14 | 2019-08-13 | Samsung Electronics Co., Ltd. | System and method for providing time offset and frequency offset estimation for vehicle to everything communication system |
CN111585926B (zh) * | 2020-04-28 | 2021-07-27 | 北京升哲科技有限公司 | 一种多天线分集接收机 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1520669A (zh) * | 2001-06-22 | 2004-08-11 | ��ķɭ��ɹ�˾ | 在ofdm接收机中补偿载波频率偏移的方法和*** |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100535638B1 (ko) * | 2002-06-19 | 2005-12-08 | 주식회사 케이티 | 무선 랜 시스템을 위한 직교주파수분할다중화 동기복조방법 및 그 장치 |
JP2004159138A (ja) | 2002-11-07 | 2004-06-03 | Hitachi Kokusai Electric Inc | Ofdm変調方式による無線システム及び受信器 |
KR100589678B1 (ko) * | 2003-12-24 | 2006-06-15 | 삼성전자주식회사 | 직교 주파수 분할 다중 접속 시스템의 상향 링크 채널추정 시스템 및 그 방법 |
KR100865469B1 (ko) * | 2005-03-08 | 2008-10-27 | 삼성전자주식회사 | 공간 분할 다중 접속 방식을 지원하는 직교주파수 다중 분할 방식 시스템에서 채널 추정 장치 및 방법 |
KR100817592B1 (ko) * | 2005-12-30 | 2008-03-31 | 포스데이타 주식회사 | 무선통신 시스템의 이동 단말기의 채널 추정 방법 및 채널추정기 |
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2006
- 2006-08-30 KR KR1020060082844A patent/KR100808463B1/ko active IP Right Grant
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CN1520669A (zh) * | 2001-06-22 | 2004-08-11 | ��ķɭ��ɹ�˾ | 在ofdm接收机中补偿载波频率偏移的方法和*** |
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CN101512999A (zh) | 2009-08-19 |
KR100808463B1 (ko) | 2008-03-03 |
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