ATE534223T1 - Verfahren und anordnungen in einem drahtlosen kommunikationssystem zur erzeugung von signalstruktur mit cyclischem präfix - Google Patents

Verfahren und anordnungen in einem drahtlosen kommunikationssystem zur erzeugung von signalstruktur mit cyclischem präfix

Info

Publication number
ATE534223T1
ATE534223T1 AT08767178T AT08767178T ATE534223T1 AT E534223 T1 ATE534223 T1 AT E534223T1 AT 08767178 T AT08767178 T AT 08767178T AT 08767178 T AT08767178 T AT 08767178T AT E534223 T1 ATE534223 T1 AT E534223T1
Authority
AT
Austria
Prior art keywords
symbol
sequence
symbol sequence
arrangements
samples
Prior art date
Application number
AT08767178T
Other languages
English (en)
Inventor
Peter Larsson
Henrik Sahlin
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE534223T1 publication Critical patent/ATE534223T1/de

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]
    • H04L27/2607—Cyclic extensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079—Formats for control data
    • 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)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
AT08767178T 2008-06-13 2008-06-13 Verfahren und anordnungen in einem drahtlosen kommunikationssystem zur erzeugung von signalstruktur mit cyclischem präfix ATE534223T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2008/050712 WO2009151358A1 (en) 2008-06-13 2008-06-13 Methods and arrangements in a wireless communication system for producing signal structure with cyclic prefix

Publications (1)

Publication Number Publication Date
ATE534223T1 true ATE534223T1 (de) 2011-12-15

Family

ID=40809846

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08767178T ATE534223T1 (de) 2008-06-13 2008-06-13 Verfahren und anordnungen in einem drahtlosen kommunikationssystem zur erzeugung von signalstruktur mit cyclischem präfix

Country Status (8)

Country Link
US (1) US8576932B2 (de)
EP (1) EP2286562B1 (de)
JP (1) JP5156128B2 (de)
CN (1) CN102067540B (de)
AT (1) ATE534223T1 (de)
ES (1) ES2376606T3 (de)
PL (1) PL2286562T3 (de)
WO (1) WO2009151358A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010074398A (ja) * 2008-09-17 2010-04-02 Ntt Docomo Inc Ｏｆｄｍ変復調方法、ｏｆｄｍ変調装置、ｏｆｄｍ復調装置およびｏｆｄｍ変復調システム
JP5240102B2 (ja) * 2009-06-30 2013-07-17 富士通株式会社 送信装置及びサイクリックプレフィックス挿入方法
US8660013B2 (en) 2010-04-12 2014-02-25 Qualcomm Incorporated Detecting delimiters for low-overhead communication in a network
CN102957653B (zh) * 2011-08-23 2017-04-26 中兴通讯股份有限公司 一种降低频谱泄漏的方法及装置
US9042467B2 (en) * 2013-05-01 2015-05-26 Delphi Technologies, Inc. Method to increase signal-to-noise ratio of a cyclic-prefix orthogonal frequency-division multiplex signal
US10201018B2 (en) 2014-03-25 2019-02-05 Telefonaktiebolaget Lm Ericsson (Publ) Transmission and reception of a random access preamble signal
WO2015144208A1 (en) 2014-03-25 2015-10-01 Telefonaktiebolaget L M Ericsson (Publ) Enhanced prach preamble format
US9374291B2 (en) * 2014-06-27 2016-06-21 Comsonics, Inc. Downstream OFDM signal egress detection
CN107852381B (zh) * 2015-07-14 2021-03-05 Lg电子株式会社 用于在无线通信系统中估计非线性自干扰信道的方法及其装置
WO2017074254A1 (en) 2015-10-30 2017-05-04 Telefonaktiebolaget Lm Ericsson (Publ) Two-step contention-based random access over radio resources in laa
CN106658697B (zh) * 2015-11-04 2020-11-17 中兴通讯股份有限公司 同步信号发送、检测方法、基站及终端
DE102016225224B3 (de) * 2016-08-16 2018-02-01 Volkswagen Aktiengesellschaft Verfahren zur digitalen Übertragung von Datenblöcken von einer Sendestation zu einer Empfangsstation sowie Sendestation, Empfangsstation und Kraftfahrzeug zur Verwendung bei dem Verfahren
CN109792618B (zh) 2016-09-22 2022-07-29 瑞典爱立信有限公司 具有定时未对准的有效上行链路测量信号接收和传输窗口分配
US10341158B2 (en) * 2017-05-17 2019-07-02 Futurewei Technologies, Inc. Segment-based transforms in digital signal processing
DE102017208838A1 (de) * 2017-05-24 2018-11-29 Wago Verwaltungsgesellschaft Mbh Vorladen von Instruktionen
US10700910B2 (en) * 2017-06-16 2020-06-30 Qualcomm Incorporated Single carrier waveform data transmission and reception based on configurable DFT window
CN112187690B (zh) * 2019-07-02 2022-10-04 华为技术有限公司 符号处理的方法与装置
WO2021042394A1 (en) * 2019-09-06 2021-03-11 Nokia Shanghai Bell Co., Ltd. Sequence repetition for unsynchronized uplink transmission
WO2021082008A1 (zh) 2019-11-01 2021-05-06 华为技术有限公司 符号处理的方法与装置
CN118233265A (zh) * 2022-12-20 2024-06-21 北京三星通信技术研究有限公司 用于发送和接收信号的方法和装置
CN120283376A (zh) * 2023-04-07 2025-07-08 中兴通讯股份有限公司 用于信道和干扰测量的参考信号
WO2025052570A1 (ja) * 2023-09-06 2025-03-13 日本電信電話株式会社 信号処理装置、信号処理方法、及びプログラム

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004056552A (ja) * 2002-07-22 2004-02-19 Matsushita Electric Ind Co Ltd マルチキャリア通信システム、マルチキャリア送信装置、およびマルチキャリア受信装置
US7400573B2 (en) * 2003-04-29 2008-07-15 Intel Corporation Dynamic allocation of cyclic extension in orthogonal frequency division multiplexing systems
US20050276337A1 (en) * 2004-06-09 2005-12-15 Lucent Technologies, Inc. Bandwidth efficient orthogonal frequency division multiplexing communication system
US7436903B2 (en) * 2004-09-29 2008-10-14 Intel Corporation Multicarrier transmitter and method for transmitting multiple data streams with cyclic delay diversity
JP4737747B2 (ja) * 2005-04-25 2011-08-03 パナソニック株式会社 無線通信装置および無線通信方法
US8130707B2 (en) * 2006-01-31 2012-03-06 Panasonic Corporation Radio communication system, radio transmission device, and RACH transmission method
JP4637061B2 (ja) 2006-06-28 2011-02-23 富士通株式会社 無線送信装置及びガードインターバル挿入方法
JP4199269B2 (ja) * 2006-07-28 2008-12-17 株式会社東芝 送信装置、受信装置、送信方法及び受信方法
KR101618125B1 (ko) * 2007-04-19 2016-05-04 한국전자통신연구원 Ｏｆｄｍａ 시스템의 초기 레인징을 위한 신호를 생성하는방법 및 장치
US8311133B2 (en) * 2007-07-26 2012-11-13 Qualcomm Incorporated Method and apparatus for sensing signaling parameters in a wireless communications network

Also Published As

Publication number Publication date
CN102067540B (zh) 2014-01-29
PL2286562T3 (pl) 2012-04-30
ES2376606T3 (es) 2012-03-15
JP2011524142A (ja) 2011-08-25
EP2286562B1 (de) 2011-11-16
US20110080967A1 (en) 2011-04-07
EP2286562A1 (de) 2011-02-23
WO2009151358A8 (en) 2010-01-28
CN102067540A (zh) 2011-05-18
US8576932B2 (en) 2013-11-05
JP5156128B2 (ja) 2013-03-06
WO2009151358A1 (en) 2009-12-17

Similar Documents

Publication Publication Date Title
PL2286562T3 (pl) Sposoby i układy w systemie komunikacji bezprzewodowej do wytwarzania struktury sygnału z cyklicznym prefiksem
ATE387769T1 (de) Zyklische verzögerungsdiversität zur verringerung der intersymbolinterferenz in ofdm-systemen
KR100713393B1 (ko) 직교 주파수 분할 다중화 시스템에서 주파수 동기 획득방법 및 장치
KR20090113893A (ko) 서브캐리어 간격 식별
ATE479241T1 (de) Verfahren zur verbesserten synchronisation und informationsübertragung in einem kommunikationssystem
ATE523999T1 (de) Partielle speicherung zyklischer präfixe für effizienten tdd- oder halbduplex-pdd-betrieb
ATE461575T1 (de) Mehrträger-empfänger und verfahren zur erkennung von zyklischen präfixen mit unbekannten längen
WO2014006515A3 (en) Highly-spectrally-efficient reception using orthogonal frequency division multiplexing
TW200704057A (en) A gradient based method and apparatus for OFDM sub-carrier power optimization
WO2010030495A3 (en) Apparatus and method for interference-adaptive communications
WO2012088527A3 (en) Channel estimation based on long training symbol with doubled cyclic prefix
CY1111761T1 (el) Μεθοδος κατανομης ακολουθιων, μεθοδος επεξεργασιας ακολουθιων και συσκευη για συστημα επικοινωνιων
ATE373915T1 (de) Einrichtung und verfahren zur pilotgestützten kanalschätzung in zeitachse in einem ofdm kommunikationssystem
DE602006017720D1 (de) System und verfahren zur verbesserung des datendurchsatzes in einem drahtlosen netzwerk
TW200640212A (en) Frequency correlation based synchronization for coherent OFDM receiver and apparatus thereof
ATE527770T1 (de) Initialisierung eines modems und modem zur übertragung von ofdm-daten
WO2007100982A3 (en) Synchronization for ofdm signals
JP4382850B2 (ja) 移動通信システムにおける送信処理方法及び基地局
WO2009072037A3 (en) Method and system for detecting an interfering ofdm-based signal at an ultra-wideband module
CN102884771B (zh) 用于非连续信号传送的循环前缀的方法和设备
WO2007014067A3 (en) Overlap-and-add with dc-offset correction
Ruan et al. Training symbol based coarse timing synchronization in OFDM systems
NZ588998A (en) Applying power masks with configurable power ramps to subframes and OFDM symbols
EP2744142A3 (de) Orthogonales Frequenzteilungs-Multiplexing (OFDM) mit variabler Bitladung und Zeit und/oder Frequenzverschachtelung
WO2011037396A3 (ko) 무선 통신 시스템에서 소정의 프레임 구조를 이용하여 신호를 송수신하는 장치 및 방법