TWI387273B - 副載波間隔識別 - Google Patents

副載波間隔識別 Download PDF

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Publication number
TWI387273B
TWI387273B TW97103574A TW97103574A TWI387273B TW I387273 B TWI387273 B TW I387273B TW 97103574 A TW97103574 A TW 97103574A TW 97103574 A TW97103574 A TW 97103574A TW I387273 B TWI387273 B TW I387273B
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Taiwan
Prior art keywords
synchronization signal
type
subcarrier spacing
time domain
signal
Prior art date
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TW97103574A
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English (en)
Chinese (zh)
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TW200849912A (en
Inventor
Bengt Lindoff
Robert Baldemair
Erik Dahlman
Stefan Parkvall
Original Assignee
Ericsson Telefon Ab L M
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Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of TW200849912A publication Critical patent/TW200849912A/zh
Application granted granted Critical
Publication of TWI387273B publication Critical patent/TWI387273B/zh

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    • 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

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  • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Character Spaces And Line Spaces In Printers (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
TW97103574A 2007-02-23 2008-01-30 副載波間隔識別 TWI387273B (zh)

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 (2)

Publication Number Publication Date
TW200849912A TW200849912A (en) 2008-12-16
TWI387273B true TWI387273B (zh) 2013-02-21

Family

ID=39590260

Family Applications (1)

Application Number Title Priority Date Filing Date
TW97103574A TWI387273B (zh) 2007-02-23 2008-01-30 副載波間隔識別

Country Status (14)

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

Families Citing this family (74)

* 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
KR101966899B1 (ko) * 2014-04-09 2019-04-08 엘지전자 주식회사 데이터 전송 방법 및 이를 이용한 장치
US10630599B2 (en) * 2014-09-19 2020-04-21 Sharp Kabushiki Kaisha Terminal device, base station apparatus, and communication method
EP4024728B1 (en) 2014-09-23 2025-11-26 Huawei Technologies Co., Ltd. Transmitter, receiver and methods for transmitting/ receiving synchronisation signals
WO2016208897A1 (ko) 2015-06-22 2016-12-29 엘지전자 주식회사 상향링크 채널을 전송하는 방법 및 nb-iot 기기
US10117199B2 (en) * 2015-09-24 2018-10-30 Lg Electronics Inc. Method of transmitting channel state information and apparatus therefor
US10742465B2 (en) * 2015-10-29 2020-08-11 Sharp Kabushiki Kaisha Systems and methods for multi-physical structure system
WO2017073085A1 (en) * 2015-10-29 2017-05-04 Sharp Kabushiki Kaisha Systems and methods for multi-physical structure system
WO2017073084A1 (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
WO2017135020A1 (ja) * 2016-02-03 2017-08-10 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
CN109246046B (zh) * 2016-03-31 2020-03-20 华为技术有限公司 信息的传输方法、用户设备和网络设备
EP3446432A1 (en) 2016-04-20 2019-02-27 Convida Wireless, LLC Configurable reference signals
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
KR102106581B1 (ko) 2016-04-20 2020-05-04 콘비다 와이어리스, 엘엘씨 시스템 정보 프로비저닝 및 경량 접속 시그널링
KR102153077B1 (ko) * 2016-04-20 2020-09-07 콘비다 와이어리스, 엘엘씨 다운링크 동기화
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
US11764914B2 (en) 2016-05-09 2023-09-19 Qualcomm Incorporated Numerology dependent signal transmission
EP4092936A3 (en) * 2016-05-09 2023-04-05 Samsung Electronics Co., Ltd. Method and device for transmitting/receiving synchronization signal in wireless cellular communication system
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
US10524244B2 (en) 2016-05-11 2019-12-31 Convida Wireless, Llc Radio PDCCH to facilitate numerology operations
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
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
US10498437B2 (en) 2016-06-01 2019-12-03 Qualcomm Incorporated Conveying hypotheses through resource selection of synchronization and broadcast channels
US10615897B2 (en) 2016-06-01 2020-04-07 Qualcomm Incorporated Time division multiplexing of synchronization channels
US10631319B2 (en) 2016-06-15 2020-04-21 Convida Wireless, Llc Grant-less uplink transmission for new radio
KR102166986B1 (ko) 2016-06-15 2020-10-16 콘비다 와이어리스, 엘엘씨 그랜트리스 동작들
CA3028945C (en) * 2016-07-05 2025-05-06 Sharp Kabushiki Kaisha BASE STATION APPARATUS, TERMINAL APPARATUS, AND COMMUNICATION METHOD
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
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
EP4096330A1 (en) * 2016-07-26 2022-11-30 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
KR20240006080A (ko) 2016-08-11 2024-01-12 인터디지탈 패튼 홀딩스, 인크 뉴 라디오를 위한 유연한 프레임 구조에서의 빔포밍 스위핑 및 트레이닝
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
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
WO2018030843A1 (ko) * 2016-08-12 2018-02-15 엘지전자 주식회사 무선 통신 시스템에서 단말 및 기지국의 하향링크 신호 송수신 방법 및 이를 지원하는 장치
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
CN111278162B (zh) 2016-08-12 2025-03-11 华为技术有限公司 一种通信接入的方法和设备
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
EP4224773B1 (en) * 2016-08-22 2024-06-12 Samsung Electronics Co., Ltd. Method and apparatus for insertion of code block index in wirelss cellular communication system
KR102683634B1 (ko) 2016-08-22 2024-07-11 삼성전자 주식회사 통신 시스템에서 초기 접속을 수행하는 방법 및 장치
WO2018054495A1 (en) 2016-09-23 2018-03-29 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
KR102324958B1 (ko) * 2016-09-29 2021-11-12 삼성전자 주식회사 무선 통신 시스템에서 다양한 서비스를 지원하기 위한 방법 및 장치
WO2018062771A1 (en) 2016-09-29 2018-04-05 Samsung Electronics Co., Ltd. Methods and apparatus for supporting multiple services in wireless communication system
US11916720B2 (en) 2016-09-30 2024-02-27 Sony Group Corporation Subcarrier spacing selection for synchronization signals
US10673672B2 (en) * 2016-09-30 2020-06-02 Motorola Mobility Llc Method and apparatus for synchronization signals and random access for flexible radio communication
JP7046824B2 (ja) * 2016-11-02 2022-04-04 株式会社Nttドコモ ユーザ端末及び無線通信方法
WO2018097947A2 (en) 2016-11-03 2018-05-31 Convida Wireless, Llc Reference signals and control channels in nr
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
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
EP3923610A1 (en) 2016-12-28 2021-12-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Information sending method, information receiving method, apparatus and system
KR20180107686A (ko) 2017-03-22 2018-10-02 삼성전자주식회사 무선 셀룰라 통신 시스템에서 상향 제어 채널 전송 방법 및 장치
WO2018174606A1 (ko) * 2017-03-22 2018-09-27 삼성전자 주식회사 무선 셀룰라 통신 시스템에서 상향링크 제어 채널 전송 방법 및 장치
JP6768151B2 (ja) * 2017-05-02 2020-10-14 株式会社Nttドコモ 端末、基地局及び通信方法
US10985964B2 (en) * 2017-09-11 2021-04-20 Qualcomm Incorporated Techniques for selecting subcarrier spacing for signal detection
PL3516897T3 (pl) 2017-10-31 2021-10-04 Telefonaktiebolaget Lm Ericsson (Publ) Wskazanie numerologii odstępu podnośnych
CN111602363B (zh) 2018-08-09 2023-04-11 Lg电子株式会社 在无线通信系统中发送和接收无线信号的方法和装置
AU2018442389A1 (en) 2018-09-18 2021-04-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Signal transmission method and apparatus and computer storage medium
WO2020068251A1 (en) 2018-09-27 2020-04-02 Convida Wireless, Llc Sub-band operations in unlicensed spectrums of new radio
CN116569591A (zh) * 2021-01-15 2023-08-08 华为技术有限公司 一种通信方法及装置

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0901256A1 (en) * 1997-09-04 1999-03-10 Sony International (Europe) GmbH Transmission system for OFDM-signals with optimized synchronisation
US20060083159A1 (en) * 2004-10-14 2006-04-20 Rajiv Laroia Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3636665B2 (ja) * 1999-04-29 2005-04-06 サムスン エレクトロニクス カンパニー リミテッド 非同期符号分割多重接続通信システムの同期装置及び方法
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
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
CN102571138B (zh) * 2005-12-20 2015-02-11 Lg电子株式会社 产生码序列的方法及使用其来发送信号的方法
TW201308928A (zh) * 2005-12-21 2013-02-16 Interdigital Tech Corp 基魚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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0901256A1 (en) * 1997-09-04 1999-03-10 Sony International (Europe) GmbH Transmission system for OFDM-signals with optimized synchronisation
US20060083159A1 (en) * 2004-10-14 2006-04-20 Rajiv Laroia Wireless terminal methods and apparatus for use in wireless communications systems supporting different size frequency bands

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Publication number Publication date
EP2122959A1 (en) 2009-11-25
JP5244132B2 (ja) 2013-07-24
KR101462292B1 (ko) 2014-12-01
RU2460226C2 (ru) 2012-08-27
KR20090113893A (ko) 2009-11-02
CN101636992A (zh) 2010-01-27
CN101636992B (zh) 2014-07-16
MA31257B1 (fr) 2010-03-01
RU2009135390A (ru) 2011-03-27
EP2122959B1 (en) 2011-05-18
JP2010519838A (ja) 2010-06-03
MX2009008815A (es) 2009-08-28
PT2122959E (pt) 2011-08-25
MY146715A (en) 2012-09-14
US9137075B2 (en) 2015-09-15
US20080205351A1 (en) 2008-08-28
ATE510391T1 (de) 2011-06-15
AU2008217095A1 (en) 2008-08-28
WO2008101762A1 (en) 2008-08-28
TW200849912A (en) 2008-12-16
AU2008217095B2 (en) 2011-05-19

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