CN1272014A - 最佳同步前置结构 - Google Patents
最佳同步前置结构 Download PDFInfo
- Publication number
- CN1272014A CN1272014A CN00107021A CN00107021A CN1272014A CN 1272014 A CN1272014 A CN 1272014A CN 00107021 A CN00107021 A CN 00107021A CN 00107021 A CN00107021 A CN 00107021A CN 1272014 A CN1272014 A CN 1272014A
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- 230000001360 synchronised effect Effects 0.000 title claims description 45
- 238000000034 method Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000013507 mapping Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 7
- 241001270131 Agaricus moelleri Species 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 101100032842 Oryza sativa subsp. japonica RA16 gene Proteins 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010606 normalization Methods 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Images
Classifications
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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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
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
- H04L27/26134—Pilot insertion in the transmitter chain, e.g. pilot overlapping with data, insertion in time or frequency domain
-
- 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
- H04L27/2614—Peak power aspects
- H04L27/262—Reduction thereof by selection of pilot symbols
-
- 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
- H04L27/2627—Modulators
- H04L27/2628—Inverse Fourier transform modulators, e.g. inverse fast Fourier transform [IFFT] or inverse discrete Fourier transform [IDFT] modulators
-
- 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
- H04L27/2657—Carrier synchronisation
-
- 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
- H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
- H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
-
- 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
- H04L27/2656—Frame synchronisation, e.g. packet synchronisation, time division duplex [TDD] switching point detection or subframe synchronisation
-
- 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
- H04L27/2662—Symbol synchronisation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Discrete Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99108083.9 | 1999-04-23 | ||
EP99108083A EP1049302B1 (en) | 1999-04-23 | 1999-04-23 | Synchronization preamble in an OFDM system |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1272014A true CN1272014A (zh) | 2000-11-01 |
CN1197312C CN1197312C (zh) | 2005-04-13 |
Family
ID=8238035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB001070215A Expired - Lifetime CN1197312C (zh) | 1999-04-23 | 2000-04-24 | 最佳同步前置结构 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7145955B1 (zh) |
EP (2) | EP1049302B1 (zh) |
JP (2) | JP4563547B2 (zh) |
KR (1) | KR100769022B1 (zh) |
CN (1) | CN1197312C (zh) |
CA (1) | CA2305168C (zh) |
DE (1) | DE69932150T2 (zh) |
ES (2) | ES2270261T3 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1294717C (zh) * | 2001-07-04 | 2007-01-10 | 艾利森电话股份有限公司 | 在无线通信系统中提供定时信息的方法和装置 |
CN101083645B (zh) * | 2006-06-01 | 2010-04-07 | 电子科技大学 | 一种低复杂度ofdm快速同步的方法 |
CN101926113A (zh) * | 2008-01-28 | 2010-12-22 | 京瓷株式会社 | 无线通信方法、无线通信系统、基站和移动台 |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE43829E1 (en) | 1997-09-04 | 2012-11-27 | Sony Deutchland GmbH | Transmission system for OFDM-signals with optimized synchronization |
EP1705852B1 (en) | 1999-01-08 | 2010-02-10 | Sony Deutschland Gmbh | Synchronisation symbol structure for OFDM system |
JP3513465B2 (ja) | 2000-02-22 | 2004-03-31 | シャープ株式会社 | 無線通信送信機及び無線通信受信機 |
DE10040222A1 (de) * | 2000-08-17 | 2002-02-28 | Marconi Comm Gmbh | Verfahren zum Betreiben eines Nachrichten-Empfängers |
JP3636145B2 (ja) | 2001-06-15 | 2005-04-06 | ソニー株式会社 | 復調タイミング生成回路および復調装置 |
EP1274209A1 (en) * | 2001-07-04 | 2003-01-08 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Frequency correction for a multicarrier system |
US7548506B2 (en) | 2001-10-17 | 2009-06-16 | Nortel Networks Limited | System access and synchronization methods for MIMO OFDM communications systems and physical layer packet and preamble design |
DE60335379D1 (de) | 2002-07-16 | 2011-01-27 | Ihp Gmbh | Verfahren und gerät zur rahmendetektion und synchronisierung |
US20040066740A1 (en) * | 2002-09-30 | 2004-04-08 | Samsung Electronics Co., Ltd. | Apparatus and method for generating preamble sequence in a OFDM communication system |
KR100479864B1 (ko) * | 2002-11-26 | 2005-03-31 | 학교법인 중앙대학교 | 이동 통신 시스템에서의 하향링크 신호의 구성 방법과동기화 방법 및 그 장치 그리고 이를 이용한 셀 탐색 방법 |
FI115683B (fi) * | 2003-04-10 | 2005-06-15 | Elektrobit Oy | Synkronisointimenetelmä ja tiedonsiirtojärjestelmä |
WO2004109475A2 (en) * | 2003-06-05 | 2004-12-16 | Meshnetworks, Inc. | System and method for determining synchronization point in ofdm modems for accurate time of flight measurement |
US8724447B2 (en) | 2004-01-28 | 2014-05-13 | Qualcomm Incorporated | Timing estimation in an OFDM receiver |
US8433005B2 (en) * | 2004-01-28 | 2013-04-30 | Qualcomm Incorporated | Frame synchronization and initial symbol timing acquisition system and method |
JP2007520168A (ja) * | 2004-01-28 | 2007-07-19 | クゥアルコム・インコーポレイテッド | Ofdm受信器におけるタイミング推定 |
EP1589689B1 (en) * | 2004-04-21 | 2008-02-20 | Sony Deutschland GmbH | Frame synchronisation scheme with interference reduction |
US20050254559A1 (en) * | 2004-05-11 | 2005-11-17 | Wen-Sheng Hou | Packet detection |
EP2442513A1 (en) * | 2004-06-24 | 2012-04-18 | Nortel Networks Limited | Preambles in OFDMA System |
KR100749446B1 (ko) | 2004-11-30 | 2007-08-14 | 한국전자통신연구원 | 직교주파수 분할다중화 시스템에서 초기 동기 이전의 자동이득조절 방법 및 장치 |
KR100702456B1 (ko) * | 2004-12-10 | 2007-04-03 | 한국전자통신연구원 | 심벌 동기 검출 방법 및 그 장치 |
KR100729726B1 (ko) | 2005-09-14 | 2007-06-18 | 한국전자통신연구원 | 직교 주파수 분할 다중화 방식의 통신 시스템의 타이밍획득 및 반송파 주파수 오차 추정 장치 및 방법 |
EP1838008A1 (en) * | 2006-03-23 | 2007-09-26 | Sony Deutschland Gmbh | Preamble for synchronization |
DK2090050T4 (da) * | 2007-05-02 | 2017-09-25 | Huawei Tech Co Ltd | Fremgangsmåde til etablering af et synkroniseringssignal i et kommunikationssystem. |
WO2008140344A1 (en) * | 2007-05-11 | 2008-11-20 | Siemens Aktiengesellschaft | A method and a system for synchronizing ofdm-transceivers |
WO2009084923A2 (en) | 2008-01-03 | 2009-07-09 | Lg Electronics Inc. | Method for transmitting preamble in scalable bandwidth system |
US7796498B2 (en) * | 2008-06-29 | 2010-09-14 | Intel Corporation | Weighted tone reservation for OFDM PAPR reduction |
JP5153523B2 (ja) * | 2008-09-01 | 2013-02-27 | 株式会社日立製作所 | 無線基地局装置および無線移動局装置 |
US8416675B2 (en) * | 2008-09-30 | 2013-04-09 | Intel Corporation | Tone reservation techniques for reducing peak-to-average power ratios |
US8798096B2 (en) * | 2009-12-18 | 2014-08-05 | Electronics And Telecommunications Research Institute | Method for configuring preamble for communication system, preambler, and apparatus for generating packet using the same |
US9178745B2 (en) | 2011-02-04 | 2015-11-03 | Marvell World Trade Ltd. | Control mode PHY for WLAN |
JP6057435B2 (ja) * | 2011-02-04 | 2017-01-11 | マーベル ワールド トレード リミテッド | 無線lanの制御モードphy |
CN105229950B (zh) | 2013-04-15 | 2018-07-06 | 索尼公司 | 接收装置、接收方法 |
JP6253784B2 (ja) | 2013-09-10 | 2017-12-27 | マーベル ワールド トレード リミテッド | 屋外wlanのための拡張ガードインターバル |
KR102283468B1 (ko) | 2013-10-25 | 2021-07-30 | 마벨 아시아 피티이 엘티디. | 와이파이를 위한 레인지 확장 모드 |
US10194006B2 (en) | 2013-10-25 | 2019-01-29 | Marvell World Trade Ltd. | Physical layer frame format for WLAN |
US10218822B2 (en) | 2013-10-25 | 2019-02-26 | Marvell World Trade Ltd. | Physical layer frame format for WLAN |
US10034257B2 (en) * | 2014-02-25 | 2018-07-24 | Lg Electronics Inc. | Method and apparatus for generating device-to-device terminal signal in wireless communication system |
US11855818B1 (en) | 2014-04-30 | 2023-12-26 | Marvell Asia Pte Ltd | Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network |
EP3259863B1 (en) | 2015-02-17 | 2019-07-10 | Marvell World Trade Ltd. | Block coding scheme for phy data unit transmission |
CN106341362B (zh) * | 2015-07-09 | 2021-04-02 | 北京三星通信技术研究有限公司 | 导频发送方法、导频接收方法及其装置 |
US10756925B2 (en) | 2018-11-13 | 2020-08-25 | Semiconductor Components Industries, Llc | Slave device enhancing data rate of DSI3 bus |
CN114026925B (zh) * | 2019-07-10 | 2024-02-13 | 瑞典爱立信有限公司 | 避免与唤醒信号相关联的错误检测 |
US10771281B1 (en) | 2019-11-04 | 2020-09-08 | Semiconductor Components Industries, Llc | Semi-differential signaling for DSI3 bus enhancement |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2782307B1 (en) * | 1997-11-05 | 2016-03-30 | Sony Deutschland Gmbh | Synchronisation of digital communication systems |
US6549592B1 (en) * | 1998-02-06 | 2003-04-15 | Cisco Technology, Inc | Enhanced synchronization burst for OFDM systems |
-
1999
- 1999-04-23 EP EP99108083A patent/EP1049302B1/en not_active Expired - Lifetime
- 1999-04-23 ES ES04027122T patent/ES2270261T3/es not_active Expired - Lifetime
- 1999-04-23 EP EP04027122A patent/EP1505787B1/en not_active Expired - Lifetime
- 1999-04-23 DE DE69932150T patent/DE69932150T2/de not_active Expired - Lifetime
- 1999-04-23 ES ES99108083T patent/ES2262266T3/es not_active Expired - Lifetime
-
2000
- 2000-04-14 CA CA2305168A patent/CA2305168C/en not_active Expired - Lifetime
- 2000-04-21 JP JP2000126338A patent/JP4563547B2/ja not_active Expired - Lifetime
- 2000-04-21 US US09/556,693 patent/US7145955B1/en not_active Expired - Lifetime
- 2000-04-24 CN CNB001070215A patent/CN1197312C/zh not_active Expired - Lifetime
- 2000-04-24 KR KR1020000021659A patent/KR100769022B1/ko active IP Right Grant
-
2008
- 2008-02-28 JP JP2008048567A patent/JP4435239B2/ja not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1294717C (zh) * | 2001-07-04 | 2007-01-10 | 艾利森电话股份有限公司 | 在无线通信系统中提供定时信息的方法和装置 |
CN101083645B (zh) * | 2006-06-01 | 2010-04-07 | 电子科技大学 | 一种低复杂度ofdm快速同步的方法 |
CN101926113A (zh) * | 2008-01-28 | 2010-12-22 | 京瓷株式会社 | 无线通信方法、无线通信系统、基站和移动台 |
Also Published As
Publication number | Publication date |
---|---|
EP1505787A2 (en) | 2005-02-09 |
ES2262266T3 (es) | 2006-11-16 |
EP1049302A1 (en) | 2000-11-02 |
EP1049302B1 (en) | 2006-06-28 |
DE69932150T2 (de) | 2006-11-09 |
ES2270261T3 (es) | 2007-04-01 |
KR100769022B1 (ko) | 2007-10-22 |
JP2000341244A (ja) | 2000-12-08 |
US7145955B1 (en) | 2006-12-05 |
JP2008136253A (ja) | 2008-06-12 |
DE69932150D1 (de) | 2006-08-10 |
CA2305168A1 (en) | 2000-10-23 |
EP1505787B1 (en) | 2006-10-18 |
JP4435239B2 (ja) | 2010-03-17 |
CN1197312C (zh) | 2005-04-13 |
EP1505787A3 (en) | 2005-02-23 |
CA2305168C (en) | 2011-11-29 |
KR20000077075A (ko) | 2000-12-26 |
JP4563547B2 (ja) | 2010-10-13 |
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