DE69932150D1 - Synchronisierungspräambel in einem OFDM-System - Google Patents
Synchronisierungspräambel in einem OFDM-SystemInfo
- Publication number
- DE69932150D1 DE69932150D1 DE69932150T DE69932150T DE69932150D1 DE 69932150 D1 DE69932150 D1 DE 69932150D1 DE 69932150 T DE69932150 T DE 69932150T DE 69932150 T DE69932150 T DE 69932150T DE 69932150 D1 DE69932150 D1 DE 69932150D1
- Authority
- DE
- Germany
- Prior art keywords
- ofdm system
- synchronization preamble
- preamble
- synchronization
- 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 - Lifetime
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
- 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
- H04L27/2602—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99108083A EP1049302B1 (de) | 1999-04-23 | 1999-04-23 | Synchronisierungspräambel in einem OFDM-System |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69932150D1 true DE69932150D1 (de) | 2006-08-10 |
DE69932150T2 DE69932150T2 (de) | 2006-11-09 |
Family
ID=8238035
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69932150T Expired - Lifetime DE69932150T2 (de) | 1999-04-23 | 1999-04-23 | Synchronisierungspräambel in einem OFDM-System |
Country Status (8)
Country | Link |
---|---|
US (1) | US7145955B1 (de) |
EP (2) | EP1049302B1 (de) |
JP (2) | JP4563547B2 (de) |
KR (1) | KR100769022B1 (de) |
CN (1) | CN1197312C (de) |
CA (1) | CA2305168C (de) |
DE (1) | DE69932150T2 (de) |
ES (2) | ES2262266T3 (de) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE43703E1 (en) | 1997-09-04 | 2012-10-02 | Sony Deutschland Gmbh | Transmission system for OFDM-signals with optimized synchronization |
EP1530336B1 (de) | 1999-01-08 | 2009-06-10 | Sony Deutschland GmbH | Synchronisierungspräambelstruktur für 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 (de) * | 2001-07-04 | 2003-01-08 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Frequenzkorrektur in Mehrträgersystemen |
EP1274193A1 (de) * | 2001-07-04 | 2003-01-08 | TELEFONAKTIEBOLAGET L M ERICSSON (publ) | Verfahren und Vorrichtung zur Bereitstellung von Taktinformation in einem drahtlosen Nachrichtenübertragungsnetzwerk |
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 |
EP1530858B1 (de) * | 2002-07-16 | 2010-12-15 | IHP GmbH-Innovations for High Performance Microelectronics / Leibniz-Institut für innovative Mikroelektronik | 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 |
US7116632B2 (en) * | 2003-06-05 | 2006-10-03 | Meshnetworks, Inc. | System and method for determining synchronization point in OFDM modems for accurate time of flight measurement |
CN102752096A (zh) * | 2004-01-28 | 2012-10-24 | 高通股份有限公司 | Ofdm接收机中的定时估计 |
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 |
EP1589689B1 (de) * | 2004-04-21 | 2008-02-20 | Sony Deutschland GmbH | Rahmensynchronisation mit Interferenzverminderung |
US20050254559A1 (en) * | 2004-05-11 | 2005-11-17 | Wen-Sheng Hou | Packet detection |
EP2442513A1 (de) * | 2004-06-24 | 2012-04-18 | Nortel Networks Limited | Präambeln in OFDMA-Systemen |
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 (de) * | 2006-03-23 | 2007-09-26 | Sony Deutschland Gmbh | Synchronisierungspräambel |
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 |
BRPI0807071B1 (pt) | 2007-05-02 | 2017-01-17 | Huawei Tech Co Ltd | método, transmissor, receptor e sistema para estabelecer um sinal de sincronização para transmissão em um sistema de comunicação |
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 |
JP5031600B2 (ja) * | 2008-01-28 | 2012-09-19 | 京セラ株式会社 | 無線通信方法、無線通信システム、基地局、移動局 |
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 |
KR102036296B1 (ko) | 2011-02-04 | 2019-10-24 | 마벨 월드 트레이드 리미티드 | Wlan용 제어 모드 phy |
EP2988439A4 (de) * | 2013-04-15 | 2016-12-14 | Sony Corp | Empfangsvorrichtung, empfangsverfahren und programm |
KR102583779B1 (ko) | 2013-09-10 | 2023-10-04 | 마벨 아시아 피티이 엘티디. | 옥외 wlan용 확장 보호 구간 |
EP3700155A1 (de) | 2013-10-25 | 2020-08-26 | Marvell World Trade Ltd. | Bereichserweiterungsmodus für wifi |
US10218822B2 (en) | 2013-10-25 | 2019-02-26 | Marvell World Trade Ltd. | Physical layer frame format for WLAN |
US10194006B2 (en) | 2013-10-25 | 2019-01-29 | Marvell World Trade Ltd. | Physical layer frame format for WLAN |
WO2015130067A1 (ko) * | 2014-02-25 | 2015-09-03 | 엘지전자 주식회사 | 무선 통신 시스템에서 장치 대 장치 단말 신호 생성 방법 및 장치 |
US11855818B1 (en) | 2014-04-30 | 2023-12-26 | Marvell Asia Pte Ltd | Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network |
CN107431575B (zh) | 2015-02-17 | 2021-03-02 | 马维尔亚洲私人有限公司 | 用于phy数据单元传输的方法和设备 |
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 |
JP7379650B2 (ja) * | 2019-07-10 | 2023-11-14 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | 起動信号に関連する誤検出の回避 |
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 |
---|---|---|---|---|
EP2259534B1 (de) * | 1997-11-05 | 2014-08-06 | Sony Deutschland Gmbh | Synchronisierung in digitalen Kommunikationssystemen |
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/de not_active Expired - Lifetime
- 1999-04-23 ES ES99108083T patent/ES2262266T3/es not_active Expired - Lifetime
- 1999-04-23 ES ES04027122T patent/ES2270261T3/es not_active Expired - Lifetime
- 1999-04-23 DE DE69932150T patent/DE69932150T2/de not_active Expired - Lifetime
- 1999-04-23 EP EP04027122A patent/EP1505787B1/de 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 KR KR1020000021659A patent/KR100769022B1/ko active IP Right Grant
- 2000-04-24 CN CNB001070215A patent/CN1197312C/zh not_active Expired - Lifetime
-
2008
- 2008-02-28 JP JP2008048567A patent/JP4435239B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1505787B1 (de) | 2006-10-18 |
JP4563547B2 (ja) | 2010-10-13 |
CA2305168A1 (en) | 2000-10-23 |
JP2000341244A (ja) | 2000-12-08 |
KR100769022B1 (ko) | 2007-10-22 |
EP1049302B1 (de) | 2006-06-28 |
CN1272014A (zh) | 2000-11-01 |
EP1505787A3 (de) | 2005-02-23 |
EP1049302A1 (de) | 2000-11-02 |
CN1197312C (zh) | 2005-04-13 |
JP2008136253A (ja) | 2008-06-12 |
DE69932150T2 (de) | 2006-11-09 |
US7145955B1 (en) | 2006-12-05 |
CA2305168C (en) | 2011-11-29 |
JP4435239B2 (ja) | 2010-03-17 |
ES2262266T3 (es) | 2006-11-16 |
ES2270261T3 (es) | 2007-04-01 |
EP1505787A2 (de) | 2005-02-09 |
KR20000077075A (ko) | 2000-12-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |