NO20054011L - Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem - Google Patents

Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem

Info

Publication number
NO20054011L
NO20054011L NO20054011A NO20054011A NO20054011L NO 20054011 L NO20054011 L NO 20054011L NO 20054011 A NO20054011 A NO 20054011A NO 20054011 A NO20054011 A NO 20054011A NO 20054011 L NO20054011 L NO 20054011L
Authority
NO
Norway
Prior art keywords
protection interval
communication system
transmission channel
transmission
unit
Prior art date
Application number
NO20054011A
Other languages
English (en)
Norwegian (no)
Other versions
NO20054011D0 (no
Inventor
Rickard Ljung
Peter Karlsson
Original Assignee
Teliasonera Ab
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Teliasonera Ab filed Critical Teliasonera Ab
Publication of NO20054011D0 publication Critical patent/NO20054011D0/no
Publication of NO20054011L publication Critical patent/NO20054011L/no

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)
NO20054011A 2003-03-25 2005-08-30 Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem NO20054011L (no)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
NO20054011D0 NO20054011D0 (no) 2005-08-30
NO20054011L true NO20054011L (no) 2005-12-21

Family

ID=20290781

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20054011A NO20054011L (no) 2003-03-25 2005-08-30 Posisjonstilpasset sikkerhetsintervall for OFDM-kommunikasjonssystem

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9130810B2 (en) 2000-09-13 2015-09-08 Qualcomm Incorporated OFDM communications methods and apparatus
US7295509B2 (en) 2000-09-13 2007-11-13 Qualcomm, Incorporated Signaling method in an OFDM multiple access system
SE527445C2 (sv) * 2003-03-25 2006-03-07 Telia Ab Lägesanpassat skyddsintervall för OFDM-kommunikation
US8582596B2 (en) 2004-06-04 2013-11-12 Qualcomm Incorporated Coding and modulation for broadcast and multicast services in a wireless communication system
US9137822B2 (en) 2004-07-21 2015-09-15 Qualcomm Incorporated Efficient signaling over access channel
US9148256B2 (en) 2004-07-21 2015-09-29 Qualcomm Incorporated Performance based rank prediction for MIMO design
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
JP4805169B2 (ja) * 2005-01-06 2011-11-02 富士通株式会社 無線通信システム
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
US9143305B2 (en) 2005-03-17 2015-09-22 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
US9184870B2 (en) 2005-04-01 2015-11-10 Qualcomm Incorporated Systems and methods for control channel signaling
US9036538B2 (en) 2005-04-19 2015-05-19 Qualcomm Incorporated Frequency hopping design for single carrier FDMA systems
US9408220B2 (en) 2005-04-19 2016-08-02 Qualcomm Incorporated Channel quality reporting for adaptive sectorization
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
US8879511B2 (en) 2005-10-27 2014-11-04 Qualcomm Incorporated Assignment acknowledgement for a wireless communication system
US8611284B2 (en) 2005-05-31 2013-12-17 Qualcomm Incorporated Use of supplemental assignments to decrement resources
US8462859B2 (en) 2005-06-01 2013-06-11 Qualcomm Incorporated Sphere decoding apparatus
US9179319B2 (en) 2005-06-16 2015-11-03 Qualcomm Incorporated Adaptive sectorization in cellular systems
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
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
KR101029946B1 (ko) * 2005-08-24 2011-04-19 퀄컴 인코포레이티드 무선 통신 시스템에 대한 변경되는 송신 시간 간격
US9136974B2 (en) 2005-08-30 2015-09-15 Qualcomm Incorporated Precoding and SDMA support
US9210651B2 (en) 2005-10-27 2015-12-08 Qualcomm Incorporated Method and apparatus for bootstraping information in a communication system
US20090207790A1 (en) 2005-10-27 2009-08-20 Qualcomm Incorporated Method and apparatus for settingtuneawaystatus in an open state in wireless communication system
US8693405B2 (en) 2005-10-27 2014-04-08 Qualcomm Incorporated SDMA resource management
US9144060B2 (en) 2005-10-27 2015-09-22 Qualcomm Incorporated Resource allocation for shared signaling channels
US9225488B2 (en) 2005-10-27 2015-12-29 Qualcomm Incorporated Shared signaling channel
US9088384B2 (en) 2005-10-27 2015-07-21 Qualcomm Incorporated Pilot symbol transmission in wireless communication systems
US8582509B2 (en) 2005-10-27 2013-11-12 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
US8045512B2 (en) 2005-10-27 2011-10-25 Qualcomm Incorporated Scalable frequency band operation in wireless communication systems
US9172453B2 (en) 2005-10-27 2015-10-27 Qualcomm Incorporated Method and apparatus for pre-coding frequency division duplexing system
US8477684B2 (en) 2005-10-27 2013-07-02 Qualcomm Incorporated Acknowledgement of control messages in a wireless communication system
US8199661B2 (en) 2005-10-27 2012-06-12 Qualcomm Incorporated Method and apparatus for processing supplemental and non supplemental assignments
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
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
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***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
ATE527770T1 (de) * 2006-12-27 2011-10-15 Abb Technology Ag Initialisierung eines modems und modem zur übertragung von ofdm-daten
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
KR20230141931A (ko) * 2013-09-10 2023-10-10 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
CN107431991B (zh) * 2015-03-20 2020-09-08 株式会社Ntt都科摩 用户装置和基站
KR101995152B1 (ko) * 2015-07-21 2019-07-02 소코 가가쿠 가부시키가이샤 질화물 반도체 자외선 발광 소자
WO2017034448A1 (en) * 2015-08-26 2017-03-02 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***
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504897C2 (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

Also Published As

Publication number Publication date
USRE48087E1 (en) 2020-07-07
US20070159957A1 (en) 2007-07-12
US8537759B2 (en) 2013-09-17
SE0300824D0 (sv) 2003-03-25
NO20054011D0 (no) 2005-08-30
SE0300824L (sv) 2004-09-26
US20140010328A1 (en) 2014-01-09
SE527445C2 (sv) 2006-03-07
WO2004086711A1 (en) 2004-10-07
EP1611723B1 (en) 2016-05-18
US9008026B2 (en) 2015-04-14
EP1611723A1 (en) 2006-01-04

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Legal Events

Date Code Title Description
CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: TELIASONERA AB, SE

CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: SIROCCO MGMT LLC, US

CREP Change of representative

Representative=s name: OSLO PATENTKONTOR AS, POSTBOKS 7007 MAJORSTUA ,

FC2A Withdrawal, rejection or dismissal of laid open patent application