MY146715A - Subcarrier spacing identification - Google Patents

Subcarrier spacing identification

Info

Publication number
MY146715A
MY146715A MYPI20093315A MY146715A MY 146715 A MY146715 A MY 146715A MY PI20093315 A MYPI20093315 A MY PI20093315A MY 146715 A MY146715 A MY 146715A
Authority
MY
Malaysia
Prior art keywords
subcarrier spacing
type
synchronization signal
presently
response
Prior art date
Application number
Other languages
English (en)
Inventor
Lindoff Bengt
Baldemair Robert
Parkvall Stefan
Dahlman Erik
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
Publication of MY146715A publication Critical patent/MY146715A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0008Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/0012Modulated-carrier systems arrangements for identifying the type of modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/26025Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2666Acquisition of further OFDM parameters, e.g. bandwidth, subcarrier spacing, or guard interval length
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
MYPI20093315 2007-02-23 2008-01-28 Subcarrier spacing identification MY146715A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US89126507P 2007-02-23 2007-02-23
US11/943,440 US9137075B2 (en) 2007-02-23 2007-11-20 Subcarrier spacing identification

Publications (1)

Publication Number Publication Date
MY146715A true MY146715A (en) 2012-09-14

Family

ID=39590260

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI20093315 MY146715A (en) 2007-02-23 2008-01-28 Subcarrier spacing identification

Country Status (14)

Country Link
US (1) US9137075B2 (enExample)
EP (1) EP2122959B1 (enExample)
JP (1) JP5244132B2 (enExample)
KR (1) KR101462292B1 (enExample)
CN (1) CN101636992B (enExample)
AT (1) ATE510391T1 (enExample)
AU (1) AU2008217095B2 (enExample)
MA (1) MA31257B1 (enExample)
MX (1) MX2009008815A (enExample)
MY (1) MY146715A (enExample)
PT (1) PT2122959E (enExample)
RU (1) RU2460226C2 (enExample)
TW (1) TWI387273B (enExample)
WO (1) WO2008101762A1 (enExample)

Families Citing this family (75)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9137075B2 (en) 2007-02-23 2015-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Subcarrier spacing identification
CN101136894B (zh) * 2007-03-23 2012-11-28 中兴通讯股份有限公司 可扩展的ofdm及ofdma带宽分配的方法和系统
WO2010038967A2 (ko) * 2008-10-01 2010-04-08 엘지전자주식회사 셀룰러 이동통신 시스템에서 동기신호의 전송방법
KR20130028397A (ko) 2011-09-09 2013-03-19 삼성전자주식회사 무선 통신 시스템에서 동기 및 시스템 정보 획득을 위한 장치 및 방법
CN103002454B (zh) * 2011-09-15 2016-04-13 华为技术有限公司 频谱聚合方法和设备
US9160511B2 (en) 2012-01-30 2015-10-13 Qualcomm Incorporated Cyclic prefix in evolved multimedia broadcast multicast service with high transmit power
WO2014077741A1 (en) * 2012-11-13 2014-05-22 Telefonaktiebolaget L M Ericsson (Publ) Transmission and reception of reference signals in wireless networks
US10862634B2 (en) * 2014-03-07 2020-12-08 Huawei Technologies Co., Ltd. Systems and methods for OFDM with flexible sub-carrier spacing and symbol duration
EP3131249B1 (en) * 2014-04-09 2019-03-06 LG Electronics Inc. Method for transmitting mixed ppdu in he-wlan and device using same
JP6555827B2 (ja) * 2014-09-19 2019-08-07 シャープ株式会社 通信装置、および通信方法
CN105659675B (zh) * 2014-09-23 2019-05-28 华为技术有限公司 发射器,接收器,和用于发送/接收同步信号的方法
CN107810616B (zh) 2015-06-22 2021-01-26 Lg 电子株式会社 发送上行链路信道的方法和nb-iot设备
US10117199B2 (en) * 2015-09-24 2018-10-30 Lg Electronics Inc. Method of transmitting channel state information and apparatus therefor
WO2017073084A1 (en) * 2015-10-29 2017-05-04 Sharp Kabushiki Kaisha Systems and methods for multi-physical structure system
CN113395231B (zh) * 2015-10-29 2024-01-02 夏普株式会社 用于多物理结构体系的系统和方法
WO2017073085A1 (en) * 2015-10-29 2017-05-04 Sharp Kabushiki Kaisha Systems and methods for multi-physical structure system
JP2019054308A (ja) * 2016-01-26 2019-04-04 シャープ株式会社 基地局装置、端末装置および通信方法
JP6526251B2 (ja) 2016-02-03 2019-06-05 京セラ株式会社 基地局及び無線端末
CN108496401B (zh) * 2016-02-05 2021-02-12 华为技术有限公司 上行子载波间隔指示方法、基站及终端
CN107295542B (zh) * 2016-03-31 2023-11-03 华为技术有限公司 信息的传输方法、用户设备和网络设备
JP6837492B2 (ja) 2016-04-20 2021-03-03 コンヴィーダ ワイヤレス, エルエルシー 新しい無線における物理チャネル
US10271295B2 (en) * 2016-04-20 2019-04-23 Convida Wireless, Llc Downlink synchronization
KR102175608B1 (ko) 2016-04-20 2020-11-06 콘비다 와이어리스, 엘엘씨 구성가능한 기준 신호들
KR102106581B1 (ko) 2016-04-20 2020-05-04 콘비다 와이어리스, 엘엘씨 시스템 정보 프로비저닝 및 경량 접속 시그널링
US10638474B2 (en) 2016-04-21 2020-04-28 Qualcomm Incorporated Different numerology for signal transmission
KR102677807B1 (ko) * 2016-05-09 2024-06-25 삼성전자주식회사 무선 셀룰라 통신 시스템의 동기신호 송수신 방법 및 장치
US10880146B2 (en) 2016-05-09 2020-12-29 Samsung Electronics Co., Ltd. Method and device for transmitting/receiving synchronization signal in wireless cellular communication system
US11764914B2 (en) 2016-05-09 2023-09-19 Qualcomm Incorporated Numerology dependent signal transmission
WO2017196042A1 (ko) * 2016-05-09 2017-11-16 삼성전자 주식회사 무선 셀룰러 통신 시스템의 동기신호 송수신 방법 및 장치
EP3455985B1 (en) 2016-05-11 2022-03-09 Convida Wireless, LLC New radio downlink control channel
EP3468090A1 (en) 2016-05-24 2019-04-10 Telefonaktiebolaget LM Ericsson (publ) Prefixing of ofdm symbols to support variable subframe length
US10887035B2 (en) * 2016-06-01 2021-01-05 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10498437B2 (en) 2016-06-01 2019-12-03 Qualcomm Incorporated Conveying hypotheses through resource selection of synchronization and broadcast channels
US11563505B2 (en) 2016-06-01 2023-01-24 Qualcomm Incorporated Time division multiplexing of synchronization channels
US11218236B2 (en) 2016-06-01 2022-01-04 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10615897B2 (en) 2016-06-01 2020-04-07 Qualcomm Incorporated Time division multiplexing of synchronization channels
EP3473051A1 (en) 2016-06-15 2019-04-24 Convida Wireless, LLC Network slice discovery and selection
CN115835405A (zh) 2016-06-15 2023-03-21 交互数字专利控股公司 用于无许可操作的方法及装置
CN109644089B (zh) 2016-06-15 2022-04-26 康维达无线有限责任公司 用于新无线电的无许可上行链路传输
CN109328437B (zh) * 2016-07-05 2022-06-14 夏普株式会社 基站装置、终端装置以及通信方法
WO2018012878A1 (ko) * 2016-07-15 2018-01-18 주식회사 케이티 새로운 무선 액세스 망에서 단말을 위한 동기화 신호 및 시스템 정보를 송수신하는 방법 및 장치
KR102178412B1 (ko) * 2016-07-15 2020-11-16 주식회사 케이티 새로운 무선 액세스 망에서 단말을 위한 동기화 신호 및 시스템 정보를 송수신하는 방법 및 장치
MY197924A (en) * 2016-07-26 2023-07-25 Guangdong Oppo Mobile Telecommunications Corp Ltd Information transmission method and information transmission apparatus
WO2018028775A1 (en) * 2016-08-10 2018-02-15 Huawei Technologies Co., Ltd. Common synchronization signal for a new radio carrier supporting different subcarrier spacing
CN107734630A (zh) * 2016-08-11 2018-02-23 华为技术有限公司 信息传输方法、终端及网络设备
CN107734674B (zh) 2016-08-11 2023-09-01 华为技术有限公司 数据传输的方法和系统
KR20240006080A (ko) 2016-08-11 2024-01-12 인터디지탈 패튼 홀딩스, 인크 뉴 라디오를 위한 유연한 프레임 구조에서의 빔포밍 스위핑 및 트레이닝
CN107733828B (zh) * 2016-08-12 2020-10-09 电信科学技术研究院 一种确定基带参数的方法和设备
CN107733827B (zh) 2016-08-12 2020-04-14 华为技术有限公司 一种信号发送方法、网络设备和终端设备
US11277236B2 (en) 2016-08-12 2022-03-15 Lg Electronics Inc. Method for transmitting or receiving downlink signal by terminal and base station in wireless communication system and device for supporting same
CN107734672B (zh) 2016-08-12 2020-02-14 华为技术有限公司 一种通信接入的方法和设备
CN107733829B (zh) * 2016-08-12 2021-11-02 大唐移动通信设备有限公司 一种发送和检测同步信号的方法、设备
KR102683634B1 (ko) 2016-08-22 2024-07-11 삼성전자 주식회사 통신 시스템에서 초기 접속을 수행하는 방법 및 장치
CN113630215B (zh) 2016-08-22 2024-04-16 三星电子株式会社 在无线蜂窝通信系统中用于提供初始接入过程的各种参数的方法和设备
EP3507955A1 (en) 2016-09-23 2019-07-10 Huawei Technologies Co., Ltd. Radio transmitter and receiver devices processing signal waveforms with selected pulse shaping scheme
WO2018053869A1 (zh) * 2016-09-26 2018-03-29 华为技术有限公司 一种确定、发送小区参数集合的方法、设备及系统
WO2018062771A1 (en) 2016-09-29 2018-04-05 Samsung Electronics Co., Ltd. Methods and apparatus for supporting multiple services in wireless communication system
KR102324958B1 (ko) * 2016-09-29 2021-11-12 삼성전자 주식회사 무선 통신 시스템에서 다양한 서비스를 지원하기 위한 방법 및 장치
US10992510B2 (en) * 2016-09-30 2021-04-27 Motorola Mobility Llc Method and apparatus for synchronization signals and random access for flexible radio communication
CN109845163B (zh) * 2016-09-30 2023-01-13 索尼集团公司 在无线通信网络中实现同步的方法、无线通信装置和系统
WO2018084209A1 (ja) * 2016-11-02 2018-05-11 株式会社Nttドコモ ユーザ端末及び無線通信方法
US10499371B2 (en) * 2016-11-03 2019-12-03 Samsung Electronics Co., Ltd. Method and apparatus of flexible data transmissions and receptions in next generation cellular networks
EP3520243B1 (en) 2016-11-03 2025-07-02 InterDigital Patent Holdings, Inc. Frame structure in nr
US10356734B2 (en) * 2016-11-30 2019-07-16 Qualcomm Incorporated Synchronization signal options for 5G/new radio
JP2020031250A (ja) * 2016-12-20 2020-02-27 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路
RU2754591C2 (ru) * 2016-12-28 2021-09-03 Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. Способ отправки информации, способ приема информации, аппарат и система
WO2018174606A1 (ko) * 2017-03-22 2018-09-27 삼성전자 주식회사 무선 셀룰라 통신 시스템에서 상향링크 제어 채널 전송 방법 및 장치
KR20180107686A (ko) 2017-03-22 2018-10-02 삼성전자주식회사 무선 셀룰라 통신 시스템에서 상향 제어 채널 전송 방법 및 장치
RU2751217C2 (ru) * 2017-05-02 2021-07-12 Нтт Докомо, Инк. Базовая станция
US10985964B2 (en) * 2017-09-11 2021-04-20 Qualcomm Incorporated Techniques for selecting subcarrier spacing for signal detection
MX2020004262A (es) * 2017-10-31 2020-08-03 Ericsson Telefon Ab L M Indicacion de numerologia de separacion de subportadoras.
EP3694134B1 (en) * 2018-08-09 2022-02-16 LG Electronics Inc. Method and device for transmitting and receiving wireless signal in wireless communication system
CN111865864B (zh) 2018-09-18 2022-03-15 Oppo广东移动通信有限公司 一种信号传输的方法、装置及计算机存储介质
CN112753265B (zh) 2018-09-27 2025-02-11 交互数字专利控股公司 新无线电的未经许可的频谱中的子频带操作
WO2022151382A1 (zh) * 2021-01-15 2022-07-21 华为技术有限公司 一种通信方法及装置

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2169894B1 (en) 1997-09-04 2011-08-17 Sony Deutschland GmbH Transmission method and apparatus for OFDM-signals
EP1092285B1 (en) * 1999-04-29 2010-09-08 Samsung Electronics Co., Ltd. Appararus and method for synchronizing channels in a w-cdma communication system
US6493331B1 (en) * 2000-03-30 2002-12-10 Qualcomm Incorporated Method and apparatus for controlling transmissions of a communications 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
KR100532422B1 (ko) * 2003-02-28 2005-11-30 삼성전자주식회사 동일 심볼을 다수의 채널에 중복적으로 전송하여 통신거리를 확장시킨 무선 랜 시스템의 직교 주파수 분할다중화 송수신 장치 및 그 송수신 방법
US7505522B1 (en) * 2003-10-06 2009-03-17 Staccato Communications, Inc. Spectral shaping in multiband OFDM transmitter with clipping
KR20050053907A (ko) 2003-12-03 2005-06-10 삼성전자주식회사 직교 주파수 분할 다중 접속 방식을 사용하는 이동 통신시스템에서 서브 캐리어 할당 방법
SE0303607D0 (sv) * 2003-12-30 2003-12-30 Ericsson Telefon Ab L M Brandwidth signalling
US7352820B2 (en) 2004-03-16 2008-04-01 Texas Instruments Incorporated DMT system with variable subchannel spacing in TCM ISDN noise
US7519123B1 (en) * 2004-04-08 2009-04-14 Staccato Communications, Inc. Spectral shaping for multiband OFDM transmitters with time spreading
JP4424047B2 (ja) * 2004-04-19 2010-03-03 ソニー株式会社 無線通信方法および装置
US7969858B2 (en) * 2004-10-14 2011-06-28 Qualcomm Incorporated Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands
US7567502B2 (en) * 2004-10-14 2009-07-28 Qualcomm Incorporated Methods and apparatus for adjusting bandwidth allocation in a wireless communications system
KR20070021609A (ko) * 2005-08-19 2007-02-23 삼성전자주식회사 광대역 무선통신시스템에서 셀 탐색을 위한 송수신 장치 및방법
KR101306696B1 (ko) * 2005-11-10 2013-09-10 엘지전자 주식회사 다수의 반송파를 이용하여 데이터를 전송하는 장치 및 방법
USRE44351E1 (en) * 2005-12-20 2013-07-09 Lg Electronics Inc. Method of generating code sequence and method of transmitting signal using the same
TWI462510B (zh) * 2005-12-21 2014-11-21 Interdigital Tech Corp 基於ofdma演進utra下鏈同步頻道
US7911935B2 (en) * 2006-02-08 2011-03-22 Motorola Mobility, Inc. Method and apparatus for interleaving sequence elements of an OFDMA synchronization channel
US7983143B2 (en) * 2006-02-08 2011-07-19 Motorola Mobility, Inc. Method and apparatus for initial acquisition and cell search for an OFDMA system
KR100761791B1 (ko) * 2006-02-23 2007-09-28 인하대학교 산학협력단 Ofdm-fdma/cdma/tdma 시스템의 타이밍추정 성능 향상을 위한 동기화 장치 및 방법
CN100473225C (zh) * 2006-04-30 2009-03-25 中兴通讯股份有限公司 一种不对称带宽能力的无线网络接入系统的资源分配方法
US7729315B2 (en) * 2006-06-23 2010-06-01 Telefonaktiebolaget L M Ericsson (Publ) System and method of performing cell measurements in a telecommunications system
US8665799B2 (en) * 2006-09-14 2014-03-04 Qualcomm Incorporated Beacon assisted cell search in a wireless communication system
US7957759B2 (en) * 2006-12-08 2011-06-07 Texas Instruments Incorporated Wideband reference signal transmission in SC-FDMA communication systems
US8077801B2 (en) * 2007-01-10 2011-12-13 Qualcomm Incorporated Pilot structure with multiplexed unicast and SFN transmissions
US9137075B2 (en) 2007-02-23 2015-09-15 Telefonaktiebolaget Lm Ericsson (Publ) Subcarrier spacing identification
US8649401B2 (en) * 2007-05-01 2014-02-11 Qualcomm Incorporated Generation and detection of synchronization signal in a wireless communication system

Also Published As

Publication number Publication date
TW200849912A (en) 2008-12-16
CN101636992A (zh) 2010-01-27
WO2008101762A1 (en) 2008-08-28
JP5244132B2 (ja) 2013-07-24
EP2122959B1 (en) 2011-05-18
KR20090113893A (ko) 2009-11-02
MA31257B1 (fr) 2010-03-01
ATE510391T1 (de) 2011-06-15
MX2009008815A (es) 2009-08-28
EP2122959A1 (en) 2009-11-25
US20080205351A1 (en) 2008-08-28
US9137075B2 (en) 2015-09-15
RU2009135390A (ru) 2011-03-27
PT2122959E (pt) 2011-08-25
TWI387273B (zh) 2013-02-21
RU2460226C2 (ru) 2012-08-27
AU2008217095B2 (en) 2011-05-19
AU2008217095A1 (en) 2008-08-28
KR101462292B1 (ko) 2014-12-01
CN101636992B (zh) 2014-07-16
JP2010519838A (ja) 2010-06-03

Similar Documents

Publication Publication Date Title
MX2009008815A (es) Identificacion de separacion de subportadora.
GB2459807A (en) Method of transmitting control signals in wireless communication system
AU2018253552A1 (en) Transmission method, transmission device, reception method, and reception device
IN266821B (enExample)
TW200737762A (en) Method of generating code sequence and method of transmitting signal using the same
MY154923A (en) Reference signal design for cell search in an orthogonal wireless communication system
WO2010025249A8 (en) Multiplexing of control information and data for wireless communication
MY154699A (en) Transbody communication systems employing communication channels
EA200970526A1 (ru) Устройство радиопередачи, управляющее устройство, система радиосвязи и способ связи
GB2512394A8 (en) Transmitter and method of transmitting
MX359582B (es) Transferencia de energia inductiva inalambrica.
MY166921A (en) Method and arrangement in a wireless communication system
UA93082C2 (ru) Устройство и система быстрого доступа в системе беспроводной связи
NO20083808L (no) Rask tilgang i et system for trådløs kommunikasjon
AU2017237727B2 (en) Extended synchronization signal for symbol index detection
TW200738013A (en) Channel-transmitting method and base station
AR057231A1 (es) Puesta en umbral basada en energia promedia de tap,para la estimacion de canales en sistemas de multiples antenas
TW200604843A (en) Location processing apparatus, systems, and methods
WO2009004862A1 (ja) 送信信号生成装置、方法、およびプログラム
TW200713875A (en) Transmission/reception apparatus and transmission/reception method for enabling coexistence of systems
MX2019010847A (es) Mensaje autenticado de activacion y confirmacion.
MY180981A (en) Aquatic time synchronisation system and method of determining a time offset
MX361613B (es) Aparato, métodos y sistemas de multiplexación en el dominio de frecuencia temporal.
GB2449372A (en) Underwater synchronisation system
WO2010060640A3 (en) Communication system, communication units, and method for employing a pilot transmission scheme