CN1777167B - 无线局域网的间发和连续数据通信的正交频分复用传输法 - Google Patents
无线局域网的间发和连续数据通信的正交频分复用传输法 Download PDFInfo
- Publication number
- CN1777167B CN1777167B CN200510131575.8A CN200510131575A CN1777167B CN 1777167 B CN1777167 B CN 1777167B CN 200510131575 A CN200510131575 A CN 200510131575A CN 1777167 B CN1777167 B CN 1777167B
- Authority
- CN
- China
- Prior art keywords
- header
- ofdm
- subcarrier
- transmission method
- ofdm code
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000006854 communication Effects 0.000 title description 20
- 238000004891 communication Methods 0.000 title description 19
- 239000012634 fragment Substances 0.000 claims description 32
- 238000012546 transfer Methods 0.000 claims description 28
- 230000001419 dependent effect Effects 0.000 abstract description 2
- 238000013459 approach Methods 0.000 description 20
- 230000001360 synchronised effect Effects 0.000 description 12
- 238000012549 training Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000005311 autocorrelation function Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 238000012935 Averaging Methods 0.000 description 1
- 241000581364 Clinitrachus argentatus Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013256 coordination polymer Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
Images
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
- H04L5/02—Channels characterised by the type of signal
- H04L5/06—Channels characterised by the type of signal the signals being represented by different frequencies
-
- 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
- H04L25/0224—Channel estimation using sounding signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/02—Hybrid access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (11)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004052899.3 | 2004-11-02 | ||
DE102004052899A DE102004052899B4 (de) | 2004-11-02 | 2004-11-02 | Sowohl auf sporadische als auch auf kontinuierliche Datenkommunikation ausgerichtetes OFDM-Übertragungsverfahren für ein WLAN |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1777167A CN1777167A (zh) | 2006-05-24 |
CN1777167B true CN1777167B (zh) | 2010-05-05 |
Family
ID=36201821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200510131575.8A Active CN1777167B (zh) | 2004-11-02 | 2005-11-01 | 无线局域网的间发和连续数据通信的正交频分复用传输法 |
Country Status (3)
Country | Link |
---|---|
US (2) | US8014268B2 (zh) |
CN (1) | CN1777167B (zh) |
DE (1) | DE102004052899B4 (zh) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004021860B4 (de) * | 2004-05-04 | 2010-04-29 | Infineon Technologies Ag | Phasen- und Frequenznachführung eines OFDM-Empfängers mittels pilotgestützter Phasenwertschätzung |
US7983143B2 (en) * | 2006-02-08 | 2011-07-19 | Motorola Mobility, Inc. | Method and apparatus for initial acquisition and cell search for an OFDMA system |
US7911935B2 (en) | 2006-02-08 | 2011-03-22 | Motorola Mobility, Inc. | Method and apparatus for interleaving sequence elements of an OFDMA synchronization channel |
US7706249B2 (en) * | 2006-02-08 | 2010-04-27 | Motorola, Inc. | Method and apparatus for a synchronization channel in an OFDMA system |
CN101589590B (zh) * | 2007-01-29 | 2012-06-27 | Nxp股份有限公司 | 采用根据连续导频的频率偏移对时域或频域内插进行的选择来进行多载波信号的信道估计 |
WO2008100188A1 (en) * | 2007-02-15 | 2008-08-21 | Telefonaktiebolaget Lm Ericsson (Publ) | Channel measurements on combined pilot signala in multi- carrier systems |
CN100563232C (zh) * | 2007-06-25 | 2009-11-25 | 北京创毅视讯科技有限公司 | 一种多载波***的离散导频信号发送方法 |
US8411766B2 (en) | 2008-04-09 | 2013-04-02 | Wi-Lan, Inc. | System and method for utilizing spectral resources in wireless communications |
CN101572684B (zh) * | 2008-04-30 | 2013-06-12 | 中兴通讯股份有限公司 | 小区搜索方法 |
US8274885B2 (en) | 2008-10-03 | 2012-09-25 | Wi-Lan, Inc. | System and method for data distribution in VHF/UHF bands |
US8107391B2 (en) | 2008-11-19 | 2012-01-31 | Wi-Lan, Inc. | Systems and etiquette for home gateways using white space |
US8335204B2 (en) | 2009-01-30 | 2012-12-18 | Wi-Lan, Inc. | Wireless local area network using TV white space spectrum and long term evolution system architecture |
US8937872B2 (en) | 2009-06-08 | 2015-01-20 | Wi-Lan, Inc. | Peer-to-peer control network for a wireless radio access network |
JP5678171B2 (ja) * | 2010-04-12 | 2015-02-25 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | ネットワークにおける低オーバーヘッド通信のためのチャネル推定 |
EP2609719B1 (en) * | 2010-08-27 | 2018-10-31 | Lantiq Beteiligungs-GmbH & Co.KG | Robust preamble for communication over noisy media |
US9544083B2 (en) * | 2011-11-21 | 2017-01-10 | Broadcom Corporation | Secondary synchronization signal detection with interference cancelation for LTE |
TW201338443A (zh) * | 2012-03-05 | 2013-09-16 | Nat Univ Tsing Hua | 用以估測都卜勒擴散之通訊方法 |
EP2865122A4 (en) | 2012-06-20 | 2016-01-06 | Magnacom Ltd | IN A HIGH SPEED SPECTRUM EFFICIENT TRANSMISSION BY OFDM |
US8781008B2 (en) | 2012-06-20 | 2014-07-15 | MagnaCom Ltd. | Highly-spectrally-efficient transmission using orthogonal frequency division multiplexing |
US8548072B1 (en) | 2012-06-20 | 2013-10-01 | MagnaCom Ltd. | Timing pilot generation for highly-spectrally-efficient communications |
US9166834B2 (en) | 2012-06-20 | 2015-10-20 | MagnaCom Ltd. | Method and system for corrupt symbol handling for providing high reliability sequences |
US8811548B2 (en) | 2012-11-14 | 2014-08-19 | MagnaCom, Ltd. | Hypotheses generation based on multidimensional slicing |
US9088400B2 (en) | 2012-11-14 | 2015-07-21 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
US8848841B2 (en) * | 2012-12-27 | 2014-09-30 | Intel Corporation | Techniques to accommodate different classes of devices in a wireless network |
US9118519B2 (en) | 2013-11-01 | 2015-08-25 | MagnaCom Ltd. | Reception of inter-symbol-correlated signals using symbol-by-symbol soft-output demodulator |
US8804879B1 (en) | 2013-11-13 | 2014-08-12 | MagnaCom Ltd. | Hypotheses generation based on multidimensional slicing |
US9130637B2 (en) | 2014-01-21 | 2015-09-08 | MagnaCom Ltd. | Communication methods and systems for nonlinear multi-user environments |
US9496900B2 (en) | 2014-05-06 | 2016-11-15 | MagnaCom Ltd. | Signal acquisition in a multimode environment |
US8891701B1 (en) | 2014-06-06 | 2014-11-18 | MagnaCom Ltd. | Nonlinearity compensation for reception of OFDM signals |
US9246523B1 (en) | 2014-08-27 | 2016-01-26 | MagnaCom Ltd. | Transmitter signal shaping |
US9276619B1 (en) | 2014-12-08 | 2016-03-01 | MagnaCom Ltd. | Dynamic configuration of modulation and demodulation |
US9191247B1 (en) | 2014-12-09 | 2015-11-17 | MagnaCom Ltd. | High-performance sequence estimation system and method of operation |
US20160241369A1 (en) * | 2015-02-13 | 2016-08-18 | Qualcomm Incorporated | Tone plans and interleaver parameters for wireless communication networks |
US10003488B2 (en) * | 2015-03-06 | 2018-06-19 | Mediatek Inc. | Method and electronic apparatus for automatically detecting bandwidth and packet type of packet |
CN106209159B (zh) * | 2016-07-18 | 2019-12-13 | 乐鑫信息科技(上海)股份有限公司 | 一种数据包前导序列和包头及其处理方法和数据帧 |
EP3841397A4 (en) | 2018-08-26 | 2022-06-08 | Celeno Communications (Israel) Ltd. | WI-FI RADAR DETECTION USING A SYNCHRONIZED WIRELESS ACCESS POINT |
EP3906426A4 (en) * | 2018-12-31 | 2022-09-28 | Celeno Communications (Israel) Ltd. | CONSISTENT WI-FI RADAR USING WIRELESS ACCESS POINT |
US11102750B2 (en) | 2019-01-01 | 2021-08-24 | Celeno Communications (Israel) Ltd. | Positioning system based on distributed transmission and reception of Wi-Fi signals |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6298098B1 (en) * | 1996-04-09 | 2001-10-02 | Intel Corporation | Burst demodulator for use in high speed bidirectional digital cable transmission system |
CN1407745A (zh) * | 2001-08-29 | 2003-04-02 | 西安电子科技大学 | 数字地面广播cofdm传输***中的信号传输方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5212398A (en) * | 1989-11-30 | 1993-05-18 | Kabushiki Kaisha Toshiba | BiMOS structure having a protective diode |
KR20000009140A (ko) * | 1998-07-21 | 2000-02-15 | 윤종용 | 확산대역 통신시스템의 초기 포착 및 프레임동기 장치 및 방법 |
US6141393A (en) | 1999-03-03 | 2000-10-31 | Motorola, Inc. | Method and device for channel estimation, equalization, and interference suppression |
DE10005287A1 (de) * | 2000-02-07 | 2001-08-09 | Rohde & Schwarz | Verfahren zum Bestimmen der Restträgerleistung bei einem nach dem DVB-T-Standard im 8K-Modus QAM-modulierten Multiträgersignal |
US7088782B2 (en) * | 2001-04-24 | 2006-08-08 | Georgia Tech Research Corporation | Time and frequency synchronization in multi-input, multi-output (MIMO) systems |
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 |
US7006587B1 (en) * | 2001-11-20 | 2006-02-28 | Cisco Technolgy, Inc. | Preamble aided synchronization |
DE10210656A1 (de) * | 2002-03-11 | 2003-05-08 | Siemens Ag | Mehrträger-Übertragungssystem |
EP1389861A1 (en) * | 2002-08-12 | 2004-02-18 | Siemens Aktiengesellschaft | Channel tracking using decision directed estimation in pilot-assisted wireless multi-carrier systems |
US7424067B2 (en) * | 2002-10-21 | 2008-09-09 | Stmicroelectronics N.V. | Methods and apparatus for synchronization of training sequences |
EP1787414B1 (en) * | 2004-06-24 | 2012-01-11 | Nortel Networks Limited | Preambles in ofdma system |
-
2004
- 2004-11-02 DE DE102004052899A patent/DE102004052899B4/de active Active
-
2005
- 2005-11-01 CN CN200510131575.8A patent/CN1777167B/zh active Active
- 2005-11-02 US US11/265,003 patent/US8014268B2/en not_active Expired - Fee Related
-
2011
- 2011-08-23 US US13/215,356 patent/US8509054B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6298098B1 (en) * | 1996-04-09 | 2001-10-02 | Intel Corporation | Burst demodulator for use in high speed bidirectional digital cable transmission system |
CN1407745A (zh) * | 2001-08-29 | 2003-04-02 | 西安电子科技大学 | 数字地面广播cofdm传输***中的信号传输方法 |
Non-Patent Citations (4)
Title |
---|
Stefan A.Fechtel,Heinrich Meyr.IMPROVED FRAME SYNCHRONIZATION FORSPONTANEOUS PACKET TRANSMISSION OVERFREQUENCY-SELECTIVE RADIO CHANNELS.PIMRC,1994.1994,354. * |
StefanA.Fechtel Heinrich Meyr.IMPROVED FRAME SYNCHRONIZATION FORSPONTANEOUS PACKET TRANSMISSION OVERFREQUENCY-SELECTIVE RADIO CHANNELS.PIMRC |
Wireless LAN Medium AccessControl(MAC) and Physical Layer(PHY) specifications:High-speed PhysicalLayerin the 5 GHZ Band.IEEE Std 802.11a-1999.1999,12-13. |
Wireless LAN Medium AccessControl(MAC) and Physical Layer(PHY) specifications:High-speed PhysicalLayerin the 5 GHZ Band.IEEE Std 802.11a-1999.1999,12-13. * |
Also Published As
Publication number | Publication date |
---|---|
US8509054B2 (en) | 2013-08-13 |
US8014268B2 (en) | 2011-09-06 |
CN1777167A (zh) | 2006-05-24 |
US20110305133A1 (en) | 2011-12-15 |
DE102004052899A1 (de) | 2006-05-04 |
DE102004052899B4 (de) | 2011-08-18 |
US20060109780A1 (en) | 2006-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1777167B (zh) | 无线局域网的间发和连续数据通信的正交频分复用传输法 | |
US6567374B1 (en) | Data and pilot mapping in an OFDM system | |
EP1719315B1 (en) | Channel adaption using variable sounding signal rates | |
CN105472723B (zh) | 同步装置和方法 | |
US7039000B2 (en) | Timing synchronization for OFDM-based wireless networks | |
CN102057642B (zh) | 用于宽带无线通信***的物理层帧格式设计 | |
AU689588B2 (en) | Multicarrier reverse link timing synchronization system, device and method | |
KR100260863B1 (ko) | 중첩하는 상향접속 반송파 스펙트럼을 갖는 복수 사용자 통신 시스템, 장치 및 방법 | |
US10992345B2 (en) | Method for low voltage broadband power line carrier communication | |
CN100477565C (zh) | 正交频分复用***中补偿频率偏移的设备和方法 | |
US7280605B2 (en) | Orthogonal frequency division multiplexing (OFDM) receiver used in wireless local area network system and symbol timing synchronization method therefor | |
CN101075829B (zh) | 一种适用于正交频分复用***的信道估计方法 | |
CN101449481A (zh) | 无线通信***中的信号采集 | |
WO2003088540A1 (en) | Phase sequences for timing and access signals | |
WO2007064286A2 (en) | Hopping pilot pattern for telecommunications | |
JP2004072724A (ja) | Ofdm通信システムのためのsinr測定方法及び測定装置 | |
KR20170058378A (ko) | 유연한 직교 주파수 분할 멀티플렉싱 물리 전송 데이터 프레임 프리앰블의 동적 구성 | |
CN101843028A (zh) | 在无线通信***的接收器中估计信干比 | |
CN101485117A (zh) | 带宽非对称通信*** | |
US7773662B2 (en) | Synchronizing to symbols received via wireless communications channel | |
CN102318304A (zh) | Ofdm接收机的后dtf/fft时间跟踪方法 | |
CN100499622C (zh) | 一种正交频分复用时频同步的方法 | |
CN1980212A (zh) | 多小区正交频分复用***中的传输方法 | |
Raja | Application of cognitive radio and interference cancellation in the L-Band based on future air-to-ground communication systems | |
CN101330316A (zh) | 一种应用在无线通信***上行链路中的时间同步方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: INFENNIAN TECHNOLOGIES AG Effective date: 20110427 |
|
C41 | Transfer of patent application or patent right or utility model | ||
C56 | Change in the name or address of the patentee |
Owner name: LANTIQ DEUTSCHLAND GMBH Free format text: FORMER NAME: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Owner name: INFINEON TECHNOLOGIES WIRELESS SOLUTIONS AB Free format text: FORMER NAME: INFINEON TECHNOLOGIES AG |
|
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: MUNICH, GERMANY TO: NEUBIBERG, GERMANY |
|
CP01 | Change in the name or title of a patent holder |
Address after: German Neubiberg Patentee after: Lantiq Deutschland GmbH Address before: German Neubiberg Patentee before: Infineon Technologies Wireless Solutions Ltd. Address after: German Neubiberg Patentee after: Infineon Technologies Wireless Solutions Ltd. Address before: German Neubiberg Patentee before: Infineon Technologies AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20110427 Address after: German Neubiberg Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: INFINEON TECHNOLOGIES AG |
|
TR01 | Transfer of patent right |
Effective date of registration: 20180508 Address after: German Neubiberg Patentee after: LANTIQ BETEILIGUNGS GmbH & Co.KG Address before: German Neubiberg Patentee before: Lantiq Deutschland GmbH |
|
TR01 | Transfer of patent right |