SE0300824L - Lägesanpassat skyddsintervall för OFDM-kommunikation - Google Patents
Lägesanpassat skyddsintervall för OFDM-kommunikationInfo
- Publication number
- SE0300824L SE0300824L SE0300824A SE0300824A SE0300824L SE 0300824 L SE0300824 L SE 0300824L SE 0300824 A SE0300824 A SE 0300824A SE 0300824 A SE0300824 A SE 0300824A SE 0300824 L SE0300824 L SE 0300824L
- Authority
- SE
- Sweden
- Prior art keywords
- mode
- ofdm communication
- protection interval
- adapted protection
- interval
- Prior art date
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
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
-
- 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
- H04L27/2605—Symbol extensions, e.g. Zero Tail, Unique Word [UW]
- H04L27/2607—Cyclic extensions
-
- 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
- H04L27/2646—Arrangements specific to the transmitter only using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval 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
- H04L25/0212—Channel estimation of impulse response
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0300824A SE527445C2 (sv) | 2003-03-25 | 2003-03-25 | Lägesanpassat skyddsintervall för OFDM-kommunikation |
PCT/SE2004/000390 WO2004086711A1 (en) | 2003-03-25 | 2004-03-17 | Position adjusted guard time interval for ofdm-communications system |
US10/549,846 US8537759B2 (en) | 2003-03-25 | 2004-03-17 | Position adjusted guard time interval for OFDM-communications system |
EP04721410.1A EP1611723B1 (en) | 2003-03-25 | 2004-03-17 | Position adjusted guard time interval for ofdm-communications system |
NO20054011A NO20054011L (no) | 2003-03-25 | 2005-08-30 | Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem |
US14/011,188 US9008026B2 (en) | 2003-03-25 | 2013-08-27 | Position adjusted guard time interval for OFDM-communications system |
US15/487,730 USRE48087E1 (en) | 2003-03-25 | 2017-04-14 | Position adjusted guard time interval for OFDM-communications system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0300824A SE527445C2 (sv) | 2003-03-25 | 2003-03-25 | Lägesanpassat skyddsintervall för OFDM-kommunikation |
Publications (3)
Publication Number | Publication Date |
---|---|
SE0300824D0 SE0300824D0 (sv) | 2003-03-25 |
SE0300824L true SE0300824L (sv) | 2004-09-26 |
SE527445C2 SE527445C2 (sv) | 2006-03-07 |
Family
ID=20290781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE0300824A SE527445C2 (sv) | 2003-03-25 | 2003-03-25 | Lägesanpassat skyddsintervall för OFDM-kommunikation |
Country Status (5)
Country | Link |
---|---|
US (3) | US8537759B2 (sv) |
EP (1) | EP1611723B1 (sv) |
NO (1) | NO20054011L (sv) |
SE (1) | SE527445C2 (sv) |
WO (1) | WO2004086711A1 (sv) |
Families Citing this family (67)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7295509B2 (en) | 2000-09-13 | 2007-11-13 | Qualcomm, Incorporated | Signaling method in an OFDM multiple access system |
US9130810B2 (en) | 2000-09-13 | 2015-09-08 | Qualcomm Incorporated | OFDM communications methods and apparatus |
SE527445C2 (sv) * | 2003-03-25 | 2006-03-07 | Telia Ab | Lägesanpassat skyddsintervall för OFDM-kommunikation |
US8577299B2 (en) | 2004-06-04 | 2013-11-05 | Qualcomm Incorporated | Wireless communication system with configurable cyclic prefix length |
US9148256B2 (en) | 2004-07-21 | 2015-09-29 | Qualcomm Incorporated | Performance based rank prediction for MIMO design |
US9137822B2 (en) | 2004-07-21 | 2015-09-15 | Qualcomm Incorporated | Efficient signaling over access channel |
US8666387B2 (en) * | 2004-12-30 | 2014-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for determining transmit signal parameters using real-time channel measurements |
KR100983411B1 (ko) * | 2005-01-06 | 2010-09-20 | 후지쯔 가부시끼가이샤 | 무선 통신 시스템 |
US9246560B2 (en) | 2005-03-10 | 2016-01-26 | Qualcomm Incorporated | Systems and methods for beamforming and rate control in a multi-input multi-output communication systems |
US9154211B2 (en) | 2005-03-11 | 2015-10-06 | Qualcomm Incorporated | Systems and methods for beamforming feedback in multi antenna communication systems |
US7742444B2 (en) | 2005-03-15 | 2010-06-22 | Qualcomm Incorporated | Multiple other sector information combining for power control in a wireless communication system |
US8446892B2 (en) | 2005-03-16 | 2013-05-21 | Qualcomm Incorporated | Channel structures for a quasi-orthogonal multiple-access communication system |
US9461859B2 (en) | 2005-03-17 | 2016-10-04 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9520972B2 (en) | 2005-03-17 | 2016-12-13 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9143305B2 (en) | 2005-03-17 | 2015-09-22 | Qualcomm Incorporated | Pilot signal transmission for an orthogonal frequency division wireless communication system |
US9184870B2 (en) | 2005-04-01 | 2015-11-10 | Qualcomm Incorporated | Systems and methods for control channel signaling |
US9408220B2 (en) | 2005-04-19 | 2016-08-02 | Qualcomm Incorporated | Channel quality reporting for adaptive sectorization |
US9036538B2 (en) | 2005-04-19 | 2015-05-19 | Qualcomm Incorporated | Frequency hopping design for single carrier FDMA systems |
JP4463723B2 (ja) * | 2005-04-28 | 2010-05-19 | 株式会社エヌ・ティ・ティ・ドコモ | 送信機及び送信方法 |
US8565194B2 (en) | 2005-10-27 | 2013-10-22 | Qualcomm Incorporated | Puncturing signaling channel for a wireless communication system |
US8611284B2 (en) | 2005-05-31 | 2013-12-17 | Qualcomm Incorporated | Use of supplemental assignments to decrement resources |
US8879511B2 (en) | 2005-10-27 | 2014-11-04 | Qualcomm Incorporated | Assignment acknowledgement for a wireless communication system |
US8462859B2 (en) | 2005-06-01 | 2013-06-11 | Qualcomm Incorporated | Sphere decoding apparatus |
US8750908B2 (en) | 2005-06-16 | 2014-06-10 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US8599945B2 (en) | 2005-06-16 | 2013-12-03 | Qualcomm Incorporated | Robust rank prediction for a MIMO system |
US9179319B2 (en) | 2005-06-16 | 2015-11-03 | Qualcomm Incorporated | Adaptive sectorization in cellular systems |
US9055552B2 (en) | 2005-06-16 | 2015-06-09 | Qualcomm Incorporated | Quick paging channel with reduced probability of missed page |
US8885628B2 (en) | 2005-08-08 | 2014-11-11 | Qualcomm Incorporated | Code division multiplexing in a single-carrier frequency division multiple access system |
US9209956B2 (en) | 2005-08-22 | 2015-12-08 | Qualcomm Incorporated | Segment sensitive scheduling |
US20070041457A1 (en) | 2005-08-22 | 2007-02-22 | Tamer Kadous | Method and apparatus for providing antenna diversity in a wireless communication system |
WO2007025160A2 (en) | 2005-08-24 | 2007-03-01 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
US9136974B2 (en) | 2005-08-30 | 2015-09-15 | Qualcomm Incorporated | Precoding and SDMA support |
US9088384B2 (en) | 2005-10-27 | 2015-07-21 | Qualcomm Incorporated | Pilot symbol transmission in wireless communication systems |
WO2007051026A1 (en) | 2005-10-27 | 2007-05-03 | Qualcomm Incorporated | A method and apparatus for receiving and processing quickpage block in wireless communication systems |
US8582509B2 (en) | 2005-10-27 | 2013-11-12 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US20090207790A1 (en) * | 2005-10-27 | 2009-08-20 | Qualcomm Incorporated | Method and apparatus for settingtuneawaystatus in an open state in wireless communication system |
US9210651B2 (en) | 2005-10-27 | 2015-12-08 | Qualcomm Incorporated | Method and apparatus for bootstraping information in a communication system |
US9144060B2 (en) | 2005-10-27 | 2015-09-22 | Qualcomm Incorporated | Resource allocation for shared signaling channels |
US9172453B2 (en) | 2005-10-27 | 2015-10-27 | Qualcomm Incorporated | Method and apparatus for pre-coding frequency division duplexing system |
US9225488B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Shared signaling channel |
US8477684B2 (en) | 2005-10-27 | 2013-07-02 | Qualcomm Incorporated | Acknowledgement of control messages in a wireless communication system |
US8693405B2 (en) | 2005-10-27 | 2014-04-08 | Qualcomm Incorporated | SDMA resource management |
US8045512B2 (en) | 2005-10-27 | 2011-10-25 | Qualcomm Incorporated | Scalable frequency band operation in wireless communication systems |
US9225416B2 (en) | 2005-10-27 | 2015-12-29 | Qualcomm Incorporated | Varied signaling channels for a reverse link in a wireless communication system |
CN1964521B (zh) * | 2005-11-11 | 2010-05-12 | 上海贝尔阿尔卡特股份有限公司 | 一种在无线通信网络中的无线自回传方法及装置 |
CN1964219B (zh) * | 2005-11-11 | 2016-01-20 | 上海贝尔股份有限公司 | 实现中继的方法和设备 |
US8582548B2 (en) | 2005-11-18 | 2013-11-12 | Qualcomm Incorporated | Frequency division multiple access schemes for wireless communication |
CN101087288B (zh) * | 2006-06-05 | 2010-12-08 | 大唐移动通信设备有限公司 | 长期演进系统中的循环前缀确定方法及eNodeB |
FI20065614L (sv) * | 2006-09-29 | 2008-03-30 | Nokia Corp | Sändningstidintervallallokering för paketradiotjänst |
EP1940068B1 (en) * | 2006-12-27 | 2011-10-05 | ABB Technology AG | Initialization of and modem for an OFDM data transmission |
EP1942623A1 (en) * | 2007-01-08 | 2008-07-09 | Siemens Networks GmbH & Co. KG | Method for data transmission using a block guard interval, subscriber and system |
US8811373B2 (en) * | 2007-08-15 | 2014-08-19 | Qualcomm Incorporated | Rate matching of messages containing system parameters |
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 |
JP5031632B2 (ja) * | 2008-03-26 | 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 |
US20140152459A1 (en) | 2012-12-04 | 2014-06-05 | Schlumberger Technology Corporation | Wellsite System and Method for Multiple Carrier Frequency, Half Duplex Cable Telemetry |
JP6211846B2 (ja) * | 2013-07-31 | 2017-10-11 | 株式会社Nttドコモ | 移動局 |
KR20210153759A (ko) * | 2013-09-10 | 2021-12-17 | 마벨 아시아 피티이 엘티디. | 옥외 wlan용 확장 보호 구간 |
US11855818B1 (en) * | 2014-04-30 | 2023-12-26 | Marvell Asia Pte Ltd | Adaptive orthogonal frequency division multiplexing (OFDM) numerology in a wireless communication network |
US10524161B2 (en) | 2014-08-20 | 2019-12-31 | Qualcomm Incorporated | Delay spread estimation and utilization |
US10567202B2 (en) * | 2015-03-20 | 2020-02-18 | Ntt Docomo, Inc. | User equipment and base station |
RU2676178C1 (ru) * | 2015-07-21 | 2018-12-26 | Соко Кагаку Ко., Лтд. | Излучающий ультрафиолетовый свет нитридный полупроводниковый элемент |
US10320597B2 (en) * | 2015-08-26 | 2019-06-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Scheduling of users for multi-user transmission in a wireless communication system |
CN109286938A (zh) * | 2017-07-19 | 2019-01-29 | 中兴通讯股份有限公司 | 一种传输信号的方法、基站及终端 |
KR20190055424A (ko) * | 2017-11-15 | 2019-05-23 | 삼성전자주식회사 | 송신기 및 그를 포함하는 무선 통신 시스템 및 데이터 송수신 방법 |
CN108712356A (zh) * | 2018-03-25 | 2018-10-26 | 哈尔滨工程大学 | 一种基于离散菲涅耳变换扩展ofdm调制的相干光纤通信系统 |
US11585916B2 (en) * | 2018-06-29 | 2023-02-21 | Apple Inc. | Ranging using beamforming antenna weight vectors and secure ranging packet with phase tracking |
US11489699B2 (en) * | 2021-01-22 | 2022-11-01 | Cisco Technology, Inc. | Channel estimation for high-speed wireless clients |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9600537L (sv) * | 1996-02-14 | 1997-05-26 | Telia Ab | Förfarande och anordning i ett OFDM system med variabel varaktighet av symbolskur |
JP3726856B2 (ja) | 1997-05-02 | 2005-12-14 | ソニー株式会社 | 受信装置および受信方法 |
DE69939310D1 (de) * | 1998-12-01 | 2008-09-25 | Samsung Electronics Co Ltd | Vorrichtung zur frequenzsynchronisierung eines ofdm/cdma systems |
JP2000244441A (ja) * | 1998-12-22 | 2000-09-08 | Matsushita Electric Ind Co Ltd | Ofdm送受信装置 |
JP2001069110A (ja) | 1999-08-25 | 2001-03-16 | Matsushita Electric Ind Co Ltd | Ofdm通信装置 |
US6922445B1 (en) * | 1999-12-15 | 2005-07-26 | Intel Corporation | Method and system for mode adaptation in wireless communication |
US6850498B2 (en) * | 2000-12-22 | 2005-02-01 | Intel Corporation | Method and system for evaluating a wireless link |
US6885630B2 (en) * | 2001-01-03 | 2005-04-26 | At&T Corp. | Combined simulcasting and dedicated services in a wireless communication system |
JP3649326B2 (ja) * | 2001-11-13 | 2005-05-18 | 日本電気株式会社 | Ofdm方式のガードインターバル長制御方法及びofdm送受信装置 |
SE527445C2 (sv) * | 2003-03-25 | 2006-03-07 | Telia Ab | Lägesanpassat skyddsintervall för OFDM-kommunikation |
IL155828A0 (en) * | 2003-05-09 | 2003-12-23 | Zion Hadad | Handoff system and method |
JP4583054B2 (ja) * | 2004-03-05 | 2010-11-17 | 株式会社エヌ・ティ・ティ・ドコモ | 移動局および基地局 |
KR20050122795A (ko) * | 2004-06-25 | 2005-12-29 | 삼성전자주식회사 | 직교주파수다중접속 통신 시스템에서 보호구간 설정 방법및 장치 |
FR2891674B1 (fr) * | 2005-09-30 | 2007-12-21 | Radiotelephone Sfr | Procede et systeme de planification automatique de retards des temps d'emission des emetteurs d'un reseau de diffusion synchrone en temps et en frequence |
US7782817B2 (en) * | 2005-11-04 | 2010-08-24 | Intel Corporation | Systems and techniques for improved data throughput in a wireless network |
-
2003
- 2003-03-25 SE SE0300824A patent/SE527445C2/sv not_active IP Right Cessation
-
2004
- 2004-03-17 US US10/549,846 patent/US8537759B2/en active Active
- 2004-03-17 EP EP04721410.1A patent/EP1611723B1/en not_active Expired - Lifetime
- 2004-03-17 WO PCT/SE2004/000390 patent/WO2004086711A1/en active Application Filing
-
2005
- 2005-08-30 NO NO20054011A patent/NO20054011L/no not_active Application Discontinuation
-
2013
- 2013-08-27 US US14/011,188 patent/US9008026B2/en not_active Ceased
-
2017
- 2017-04-14 US US15/487,730 patent/USRE48087E1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NO20054011L (no) | 2005-12-21 |
US8537759B2 (en) | 2013-09-17 |
WO2004086711A1 (en) | 2004-10-07 |
EP1611723A1 (en) | 2006-01-04 |
US20070159957A1 (en) | 2007-07-12 |
EP1611723B1 (en) | 2016-05-18 |
US20140010328A1 (en) | 2014-01-09 |
SE0300824D0 (sv) | 2003-03-25 |
NO20054011D0 (no) | 2005-08-30 |
US9008026B2 (en) | 2015-04-14 |
USRE48087E1 (en) | 2020-07-07 |
SE527445C2 (sv) | 2006-03-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE0300824L (sv) | Lägesanpassat skyddsintervall för OFDM-kommunikation | |
DE602004012490D1 (de) | Kommunikationsgerät | |
FI20050092A0 (sv) | Gruppdetaljer för grupptjänster | |
DE602004019262D1 (de) | Mehrträgerempfänger | |
FI20050227A (sv) | Antennsystem för en kommunikationsanordning | |
NO20053209D0 (no) | Kommunikasjonssystem for nedihullsbruk. | |
DE60333875D1 (de) | Funkkommunikationssystem | |
SE0300362L (sv) | Inkontinensskydd för män | |
DE602005017712D1 (de) | Kommunikationssystem zwischen Geräten | |
DE602005008354D1 (de) | Kommunikationssystem | |
DE602004000116T2 (de) | Verbessertes Gruppenkommunikationssystem | |
SE0203149L (sv) | Anordning för bryning | |
FI20041535A (sv) | Kommunikationssystem | |
SE0301097L (sv) | Lokaliseringssystem | |
DE60335748D1 (de) | Funkkommunikationssystem | |
ITMI20040741A1 (it) | Dispositivo di convogliamento per spruzzatori | |
DK1661373T6 (da) | Digital kommunikationsanordning | |
FI20031900A (sv) | Transmission av data på havet | |
DE602004012691D1 (de) | Kommunikationsendgerät | |
EP1597887A4 (en) | OFDM COMMUNICATION DEVICE | |
DE60237926D1 (de) | Kommunikationssystem | |
FI20041046A0 (sv) | Programvaruidentifiering för mobilutrustningar | |
NO20053428D0 (no) | Fremgangsmate for dermal beskyttelse. | |
FI20030518A (sv) | Förfarande för elektronisk kommunikation | |
SE0200345D0 (sv) | Arrangemang för kommunikation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |