KR102482432B1 - 협대역 동작을 위한 동기화 신호들의 설계 - Google Patents

협대역 동작을 위한 동기화 신호들의 설계 Download PDF

Info

Publication number
KR102482432B1
KR102482432B1 KR1020207009410A KR20207009410A KR102482432B1 KR 102482432 B1 KR102482432 B1 KR 102482432B1 KR 1020207009410 A KR1020207009410 A KR 1020207009410A KR 20207009410 A KR20207009410 A KR 20207009410A KR 102482432 B1 KR102482432 B1 KR 102482432B1
Authority
KR
South Korea
Prior art keywords
pss
sequence
frequency
sss
narrowband
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
KR1020207009410A
Other languages
English (en)
Korean (ko)
Other versions
KR20200037454A (ko
Inventor
징 레이
피터 가알
하오 수
완시 첸
용빈 웨이
시아오펭 왕
렌퀴우 왕
세예드 알리 아크바르 파쿠리안
마드하반 스리니바산 바자페얌
알베르토 리코 알바리노
주안 몬토조
Original Assignee
퀄컴 인코포레이티드
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 퀄컴 인코포레이티드 filed Critical 퀄컴 인코포레이티드
Publication of KR20200037454A publication Critical patent/KR20200037454A/ko
Application granted granted Critical
Publication of KR102482432B1 publication Critical patent/KR102482432B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
    • H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • 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
    • 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
    • H04L27/2657—Carrier synchronisation
    • H04L27/266—Fine or fractional frequency offset determination and synchronisation
    • 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
    • H04L27/2663—Coarse synchronisation, e.g. by correlation
    • 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
    • H04L27/2689—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation
    • H04L27/2692—Link with other circuits, i.e. special connections between synchronisation arrangements and other circuits for achieving synchronisation with preamble design, i.e. with negotiation of the synchronisation sequence with transmitter or sequence linked to the algorithm used at the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H04W56/0015—Synchronization between nodes one node acting as a reference for the others
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005—Long term evolution [LTE]
    • 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
    • H04L27/2603—Signal structure ensuring backward compatibility with legacy system
    • 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
    • H04L27/26035—Maintenance of orthogonality, e.g. for signals exchanged between cells or users, or by using covering codes or sequences
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • 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
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26136—Pilot sequence conveying additional information
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2669—Details of algorithms characterised by the domain of operation
    • H04L27/2671—Time domain
    • 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
    • H04L27/2668—Details of algorithms
    • H04L27/2673—Details of algorithms characterised by synchronisation parameters
    • H04L27/2675—Pilot or known symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
KR1020207009410A 2015-09-29 2016-08-26 협대역 동작을 위한 동기화 신호들의 설계 Active KR102482432B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201562234554P 2015-09-29 2015-09-29
US62/234,554 2015-09-29
US15/247,355 2016-08-25
US15/247,355 US10256955B2 (en) 2015-09-29 2016-08-25 Synchronization signals for narrowband operation
PCT/US2016/048973 WO2017058427A1 (en) 2015-09-29 2016-08-26 Design of synchronization signals for narrowband operation
KR1020187012241A KR102097807B1 (ko) 2015-09-29 2016-08-26 협대역 동작을 위한 동기화 신호들의 설계

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020187012241A Division KR102097807B1 (ko) 2015-09-29 2016-08-26 협대역 동작을 위한 동기화 신호들의 설계

Publications (2)

Publication Number Publication Date
KR20200037454A KR20200037454A (ko) 2020-04-08
KR102482432B1 true KR102482432B1 (ko) 2022-12-27

Family

ID=58407613

Family Applications (2)

Application Number Title Priority Date Filing Date
KR1020207009410A Active KR102482432B1 (ko) 2015-09-29 2016-08-26 협대역 동작을 위한 동기화 신호들의 설계
KR1020187012241A Active KR102097807B1 (ko) 2015-09-29 2016-08-26 협대역 동작을 위한 동기화 신호들의 설계

Family Applications After (1)

Application Number Title Priority Date Filing Date
KR1020187012241A Active KR102097807B1 (ko) 2015-09-29 2016-08-26 협대역 동작을 위한 동기화 신호들의 설계

Country Status (19)

Country Link
US (3) US10256955B2 (https=)
EP (2) EP3357286B1 (https=)
JP (1) JP6772257B2 (https=)
KR (2) KR102482432B1 (https=)
CN (2) CN112491772B (https=)
AR (1) AR106571A1 (https=)
AU (1) AU2016331870B2 (https=)
CA (2) CA3234050A1 (https=)
CL (1) CL2018000788A1 (https=)
CO (1) CO2018003463A2 (https=)
IL (1) IL258415B (https=)
MX (1) MX378366B (https=)
MY (1) MY190327A (https=)
PH (1) PH12018500687A1 (https=)
RU (1) RU2706404C1 (https=)
SA (1) SA518391209B1 (https=)
TW (2) TWI750588B (https=)
WO (1) WO2017058427A1 (https=)
ZA (1) ZA201802070B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025216338A1 (ko) * 2024-04-11 2025-10-16 엘지전자 주식회사 무선 통신 시스템에서 신호 송수신 방법 및 장치

Families Citing this family (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102461849B1 (ko) * 2015-07-24 2022-11-01 애플 인크. 협대역 lte 구축을 위한 동기화 신호 및 채널 구조
US10256955B2 (en) 2015-09-29 2019-04-09 Qualcomm Incorporated Synchronization signals for narrowband operation
CN106559206B (zh) * 2015-09-30 2019-04-23 中兴通讯股份有限公司 同步信号的传输方法及装置
US10601626B2 (en) * 2015-10-02 2020-03-24 Lg Electronics Inc. Method and device for transmitting and receiving primary synchronization signal in wireless access system supporting narrowband internet of things
US10383036B2 (en) * 2015-11-06 2019-08-13 Nokia Solutions And Networks Oy Method and apparatus for implementing access control
US11159355B2 (en) * 2015-11-06 2021-10-26 Apple Inc. Synchronization signal design for narrowband Internet of Things communications
US20170142615A1 (en) * 2015-11-18 2017-05-18 Prakash Bhalerao Method and apparatus for communicating additional narrowband traffic over an existing 4g/lte network
US10631323B2 (en) * 2015-12-08 2020-04-21 Qualcomm Incorporated Delayed control feedback in a time division duplex carrier utilizing common bursts
US10104651B2 (en) * 2015-12-17 2018-10-16 Mediatek Inc. Physical downlink control channel design for narrow band internet of things
US10523488B2 (en) * 2015-12-18 2019-12-31 The Trustees Of Princeton University System and method for performing initial synchronization during wireless sector searches
CN106982468B (zh) * 2016-01-17 2018-04-27 上海朗帛通信技术有限公司 一种调度方法和装置
CN106998591B (zh) * 2016-01-24 2018-03-23 上海朗帛通信技术有限公司 一种调度方法和装置
KR102622879B1 (ko) * 2016-02-03 2024-01-09 엘지전자 주식회사 협대역 동기신호 송수신 방법 및 이를 위한 장치
US10575272B2 (en) * 2016-02-03 2020-02-25 Lg Electronics Inc. Method and apparatus for synchronizing frequency and time in a wireless communication system
WO2017146342A1 (ko) * 2016-02-26 2017-08-31 엘지전자(주) 협대역 iot를 지원하는 무선 통신 시스템에서 시스템 정보를 수신하는 방법 및 이를 위한 장치
US9893925B1 (en) * 2016-04-01 2018-02-13 Mbit Wireless, Inc. Method and apparatus for joint time and frequency synchronization in wireless communication systems
US10491444B2 (en) * 2016-04-08 2019-11-26 Electronics And Telecommunications Research Institute Method and apparatus for generating synchronization signal in internet of things
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
WO2018032110A1 (en) * 2016-08-18 2018-02-22 Sierra Wireless, Inc. Broadcast downlink control information decodable by variable bandwidth
US10313167B2 (en) 2016-08-19 2019-06-04 Qualcomm Incorporated Phase rotation for in-band signal generation for narrow band transmission
US10805893B2 (en) * 2016-08-19 2020-10-13 Samsung Electronics Co., Ltd System and method for providing universal synchronization signals for new radio
KR102606781B1 (ko) * 2016-09-02 2023-11-27 삼성전자 주식회사 무선 통신 시스템에서 효율적인 데이터 송수신 방법 및 장치
US11191102B2 (en) 2016-11-11 2021-11-30 Telefonaktiebolaget Lm Ericsson (Publ) Random-access procedure
US11489608B2 (en) 2017-03-03 2022-11-01 Apple Inc. Transmission of synchronization signals
US10375642B2 (en) 2017-04-06 2019-08-06 Itron, Inc. Device and battery management in a cellular network
US10609660B2 (en) * 2017-04-19 2020-03-31 Qualcomm Incorporated Synchronization for wideband coverage enhancement
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
US11272510B2 (en) * 2017-05-19 2022-03-08 Qualcomm Incorporated Channel and sync raster signaling
KR20200003204A (ko) * 2017-05-26 2020-01-08 엘지전자 주식회사 무선 통신 시스템에서 단말이 전송 블록에 대한 전송 자원을 선택하는 방법 및 이를 위한 장치
WO2019022574A1 (ko) * 2017-07-28 2019-01-31 엘지전자 주식회사 동기 신호 블록을 송수신하는 방법 및 이를 위한 장치
WO2019054755A1 (ko) * 2017-09-12 2019-03-21 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
US10945205B2 (en) 2017-09-15 2021-03-09 Qualcomm Incorporated Techniques and apparatuses for wakeup signal transmission
US10694562B2 (en) 2017-09-18 2020-06-23 Apple Inc. Off grid radio service system design
US10666489B2 (en) 2017-09-18 2020-05-26 Apple Inc. Synchronization sequence design for device-to-device communication
US10630524B2 (en) * 2017-09-19 2020-04-21 Qualcomm Incorporated Early determination of an operation mode in a narrowband internet of things (NB-IoT) system
EP3689041B1 (en) 2017-09-28 2024-11-06 Telefonaktiebolaget LM Ericsson (Publ) Radio synchronization technique
WO2019061511A1 (zh) * 2017-09-30 2019-04-04 华为技术有限公司 一种同步信号传输的方法和装置
EP3701747A1 (en) * 2017-10-26 2020-09-02 Northeastern University Encoding and decoding data in communication frames of a communications protocol
DE112017008245T5 (de) * 2017-11-30 2020-09-03 Intel IP Corporation Verfahren und Vorrichtungen für Schmalbandkommunikationen
US11265112B2 (en) 2017-11-30 2022-03-01 Intel Corporation Enhanced polling procedures
KR102052381B1 (ko) * 2018-01-24 2020-01-07 엘지전자 주식회사 Ofdm 신호 전송 방법 및 전송장치와, ofdm 신호 수신방법 및 수신장치
US10931500B2 (en) * 2018-01-25 2021-02-23 Qualcomm Incorporated Resynchronization signal design
KR102594994B1 (ko) * 2018-05-11 2023-10-26 후아웨이 테크놀러지 컴퍼니 리미티드 신호 전송 방법, 신호 수신 방법 및 장치
US10439856B1 (en) * 2018-07-11 2019-10-08 Keysight Technologies, Inc. Method, systems, and computer readable media for efficient generation of narrowband internet of things (IoT) uplink signals
US11902879B2 (en) * 2018-08-02 2024-02-13 Nokia Technologies Oy Method for standalone MTC operation
WO2020040723A1 (en) 2018-08-20 2020-02-27 Nokia Solutions And Networks Oy Method, apparatus and computer program
US10945204B2 (en) * 2018-10-05 2021-03-09 Itron, Inc. Battery power management for a cellular device
US10728847B2 (en) 2018-10-05 2020-07-28 Itron, Inc. Cellular modem for low power applications
CN109194602B (zh) * 2018-10-25 2023-08-25 中国电力科学研究院有限公司 电力无线通信系统中的终端下行同步方法
US11452058B2 (en) * 2018-11-09 2022-09-20 Samsung Electronics Co., Ltd Apparatus and method for cell detection by combining secondary spreading sequences
US11695462B2 (en) * 2019-01-29 2023-07-04 Qualcomm Incorporated Techniques for coordinated beamforming in millimeter wave systems
US11659505B2 (en) * 2019-06-03 2023-05-23 Jio Platforms Limited Method and system for synchronization of small cell
KR102793893B1 (ko) 2019-07-11 2025-04-08 삼성전자주식회사 전자 장치의 동작 방법 및 전자 장치에 포함된 신호 처리 장치
CN110445573B (zh) * 2019-08-20 2020-09-25 广州粒子微电子有限公司 NB-IoT终端验证平台及其时钟同步方法
WO2021225480A1 (en) * 2020-05-05 2021-11-11 Telefonaktiebolaget Lm Ericsson (Publ) Synchronisation signaling for wireless communication network
KR102721648B1 (ko) * 2020-05-19 2024-10-25 (주)네스랩 주파수 옵셋에 강인한 군사용 협대역 무선 통신 시스템
US12184587B2 (en) 2020-05-20 2024-12-31 Nokia Solutions And Networks Oy Signal source identification and determination
US11815616B2 (en) 2020-11-02 2023-11-14 Apple Inc. Announcing UWB / NBA-UWB-MMS ranging rounds via narrowband-based advertisements
KR102526129B1 (ko) * 2020-11-26 2023-04-27 (주)시그웍스 사물 인터넷 통신을 기반으로 하는 무선 통신 시스템 및 그것을 이용한 위치 추정 방법
KR20220104941A (ko) 2021-01-19 2022-07-26 주식회사 원빈테크 갯벌용 이동장치
CN115706920B (zh) * 2021-08-04 2026-03-17 苹果公司 用于超宽带测距的序列
US20230216641A1 (en) * 2022-01-06 2023-07-06 Mediatek Inc. Adaptive beam management approach for new radio systems
EP4466909A4 (en) 2022-02-14 2025-03-19 Huawei Technologies Co., Ltd. SYSTEM AND METHOD FOR CARRIER FREQUENCY OFFSET ESTIMATION
US20230379849A1 (en) * 2022-05-18 2023-11-23 Charter Communications Operating, Llc Conveyance of communications in a wireless network
US12457617B2 (en) * 2022-09-29 2025-10-28 Qualcomm Incorporated System information transmission with coverage recovery
US20240251332A1 (en) * 2023-01-25 2024-07-25 Qualcomm Incorporated Primary synchronization signal burst that is separate from a secondary synchronization signal burst
JP2024108794A (ja) * 2023-01-31 2024-08-13 株式会社東芝 通信装置、制御方法、及びプログラム
CN116489617B (zh) * 2023-04-11 2026-03-27 重庆希微科技有限公司 窄带信号检测、频率估计和干扰消除方法、程序和设备
WO2025041869A1 (ko) * 2023-08-18 2025-02-27 엘지전자 주식회사 무선 통신 시스템에서 직교 처프 신호에 기반한 pss 송수신 방법 및 장치
WO2025259032A1 (ko) * 2024-06-12 2025-12-18 엘지전자 주식회사 비지상 네트워크에서 동기 신호를 송수신하는 방법 및 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012027880A1 (en) * 2010-08-30 2012-03-08 Motorola Mobility, Inc. Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction

Family Cites Families (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63252050A (ja) * 1987-04-09 1988-10-19 Hitachi Ltd キヤリアオン・オフ方式
JPH09200180A (ja) * 1996-01-17 1997-07-31 Matsushita Electric Ind Co Ltd スペクトラム拡散方式通信装置
US5955992A (en) * 1998-02-12 1999-09-21 Shattil; Steve J. Frequency-shifted feedback cavity used as a phased array antenna controller and carrier interference multiple access spread-spectrum transmitter
US7649925B2 (en) * 1999-06-14 2010-01-19 Time Domain Corporation Time transfer utilizing ultra wideband signals
JP3989688B2 (ja) * 2001-02-26 2007-10-10 クラリオン株式会社 無線通信ネットワークシステム
EP1533969A1 (en) * 2003-11-24 2005-05-25 Matsushita Electric Industrial Co., Ltd. Loss reporting for packet-switched streaming services using loss RLE report blocks
WO2006000654A1 (fr) * 2004-05-28 2006-01-05 Ier Procede et dispositif pour former une etiquette munie d’une puce
US8131271B2 (en) * 2005-11-05 2012-03-06 Jumptap, Inc. Categorization of a mobile user profile based on browse behavior
US20080019420A1 (en) * 2006-03-21 2008-01-24 Staccato Communications, Inc. Exchange of detection and avoidance information
US7613156B2 (en) 2006-06-08 2009-11-03 Motorola, Inc. Method for energy efficient prospective peer discovery in an ad hoc network
KR100881169B1 (ko) * 2006-07-25 2009-02-02 한국전자통신연구원 순방향 링크 프레임 생성 방법 및 장치, 그리고 셀 탐색 방법 및 장치
KR100938756B1 (ko) * 2007-07-06 2010-01-26 엘지전자 주식회사 무선통신 시스템에서 셀 탐색 과정을 수행하는 방법
US8320907B2 (en) * 2007-12-17 2012-11-27 Lg Electronics Inc. Method for performing cell search procedure in wireless communication system
CA2726653C (en) * 2008-06-25 2013-09-10 Husky Injection Molding Systems Ltd. Back-up device for use in a melt distribution apparatus of an injection molding system
US8971241B2 (en) * 2008-09-30 2015-03-03 Qualcolmm Incorporated Techniques for supporting relay operation in wireless communication systems
WO2010082775A2 (ko) * 2009-01-15 2010-07-22 엘지전자주식회사 시스템 정보 전송 및 수신 장치
EP2394461A4 (en) * 2009-02-05 2016-06-08 Apple Inc METHOD AND SYSTEM FOR DETERMINING THE LOCATION OF USER EQUIPMENT IN A WIRELESS TRANSMISSION SYSTEM
US8964621B2 (en) * 2009-05-08 2015-02-24 Qualcomm Incorporated Transmission and reception of a reference signal supporting positioning in a wireless communication network
EP2333970B1 (en) 2009-12-10 2012-07-18 Telefonaktiebolaget L M Ericsson (publ) Technique for determining a cell-identity
US8588136B2 (en) * 2010-04-20 2013-11-19 Pctel, Inc. System and method for SSS detection under carrier frequency offset in an orthogonal frequency-division multiple access downlink channel
US9398602B2 (en) 2010-09-22 2016-07-19 Qualcomm Incorporated Multi-radio coexistence
US8705399B2 (en) * 2010-10-29 2014-04-22 Neocific, Inc. Transmission of synchronization and control signals in a broadband wireless system
FR2972323B1 (fr) 2011-03-04 2013-04-12 Cassidian Sas Acquisition de sous-bandes de frequence dans une trame par un mobile dans un reseau a large bande colocalise avec un reseau a bande etroite
CN102123414B (zh) * 2011-04-19 2014-06-04 重庆邮电大学 一种用于td-lte系统自适应辅同步信号检测方法
KR102001932B1 (ko) * 2011-10-20 2019-10-21 엘지전자 주식회사 무선 통신 시스템에서 제어 정보의 전송 방법 및 장치
US9510212B2 (en) * 2012-04-27 2016-11-29 Qualcomm Incorporated Signal designs for densely deployed network
GB2510315B (en) * 2012-09-07 2017-12-06 Sony Corp Transmitting a sleep indication signal to a communications device in a virtual carrier narrow band control channel
US9900863B2 (en) * 2012-09-16 2018-02-20 Lg Electronics Inc. Method for receiving or transmitting broadcast signal in wireless communication system and apparatus therefor
EP2909369B1 (en) * 2012-10-17 2017-12-27 Telefónica, S.A. A method for providing phase synchronization to non-phase synchronized cellular base stations
CN104823390B (zh) * 2012-11-01 2017-11-14 Lg 电子株式会社 在无线通信系统中发送/接收数据的方法和设备
KR101438199B1 (ko) 2013-01-09 2014-09-11 주식회사 엘지씨엔에스 교통 요금 관리 방법, 이를 수행하는 교통 요금 관리 서버 및 이를 수행하는 교통 요금 관리 시스템
KR20140110676A (ko) * 2013-03-08 2014-09-17 인텔렉추얼디스커버리 주식회사 NCT(New Carrier Type)인 캐리어에서 복조참조신호를 전송 및 수신하는 방법과 장치
CN104065604B (zh) 2013-03-21 2017-09-29 联想(北京)有限公司 信号同步方法、接收端及系统
ES2954902T3 (es) * 2013-04-05 2023-11-27 Ericsson Telefon Ab L M Transmisión de información para nuevo tipo de portadora
JP6193675B2 (ja) * 2013-08-21 2017-09-06 株式会社Ｎｔｔドコモ 無線基地局、ユーザ端末及び無線通信方法
US10212676B2 (en) * 2013-09-27 2019-02-19 Lg Electronics Inc. Method for transmitting synchronisation reference signal for device-to-device (D2D) communication in wireless communication system and apparatus therefor
KR102399712B1 (ko) * 2014-02-13 2022-05-19 엘지전자 주식회사 무선 통신 시스템에서 d2d 통신을 위한 동기화 신호 송수신방법 및 이를 위한 장치
WO2015163728A1 (ko) * 2014-04-24 2015-10-29 엘지전자 주식회사 무선 통신 시스템에서 d2d통신을 위한 동기화 신호 송신 방법 및 이를 위한 장치
CN105850194B (zh) * 2014-11-07 2019-05-28 华为技术有限公司 数据传输方法和数据传输设备
US10038528B2 (en) * 2014-12-19 2018-07-31 Qualcomm Incorporated Common reference signal design based on semi-uniform pilot spacing and orthogonal cover code
US20160262123A1 (en) 2015-03-06 2016-09-08 Qualcomm Incorporated Downlink synchronization channel for the narrow-band cellular iot
EP3269179A1 (en) 2015-03-09 2018-01-17 Telefonaktiebolaget LM Ericsson (publ) Narrowband orthogonal frequency-division multiple access cell search
US9277519B1 (en) 2015-03-13 2016-03-01 Intel IP Corporation Method for performing mobile communications and mobile terminal device
WO2016166181A1 (en) * 2015-04-13 2016-10-20 Telefonaktiebolaget Lm Ericsson (Publ) Methods of adapting receiver configuration for control channel reception based on data reception
US20160337105A1 (en) * 2015-05-14 2016-11-17 Interdigital Technology Corporation Channel and noise estimation for downlink lte
US10932256B2 (en) * 2015-06-16 2021-02-23 Qualcomm Incorporated Long-term evolution compatible very narrow band design
WO2017010773A1 (ko) * 2015-07-10 2017-01-19 엘지전자 주식회사 비면허 대역을 지원하는 무선접속시스템에서 디스커버리 참조 신호를 전송하는 방법 및 장치
KR102461849B1 (ko) 2015-07-24 2022-11-01 애플 인크. 협대역 lte 구축을 위한 동기화 신호 및 채널 구조
US10206189B2 (en) 2015-07-27 2019-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Narrowband LTE cell search
WO2017039373A1 (en) * 2015-09-02 2017-03-09 Lg Electronics Inc. Method and apparatus for indicating center frequency offset for narrowband ue in wireless communication system
US10455530B2 (en) 2015-09-03 2019-10-22 Lg Electronics Inc. Method for transmitting and receiving synchronization signal in wireless communication system and apparatus therefor
WO2017048105A1 (ko) 2015-09-15 2017-03-23 엘지전자(주) 무선 통신 시스템에서의 셀 탐색 방법 및 이를 위한 장치
US10868658B2 (en) * 2015-09-24 2020-12-15 Lg Electronics Inc. Method and apparatus for handling various IoT network access in wireless communication system
US10256955B2 (en) 2015-09-29 2019-04-09 Qualcomm Incorporated Synchronization signals for narrowband operation
EP4447355A3 (en) * 2015-11-04 2025-01-01 InterDigital Patent Holdings, Inc. Methods and procedures for narrowband lte operation
US10575272B2 (en) * 2016-02-03 2020-02-25 Lg Electronics Inc. Method and apparatus for synchronizing frequency and time in a wireless communication system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012027880A1 (en) * 2010-08-30 2012-03-08 Motorola Mobility, Inc. Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
3GPP RP-151397*
Eric M.Silva C. et al, "Cell Search in Long Term Evolution Systems: Primary and Secondary Synchronization", 2012 IEEE 3rd Latin American Symposium on Circuits and Systems, 29 Feb. 2012 (2012.02.29.)*

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025216338A1 (ko) * 2024-04-11 2025-10-16 엘지전자 주식회사 무선 통신 시스템에서 신호 송수신 방법 및 장치

Also Published As

Publication number Publication date
TWI689216B (zh) 2020-03-21
EP3357286B1 (en) 2020-04-15
EP3687232B1 (en) 2025-04-09
RU2706404C1 (ru) 2019-11-19
CA3000345A1 (en) 2017-04-06
US10256955B2 (en) 2019-04-09
MY190327A (en) 2022-04-14
AR106571A1 (es) 2018-01-31
JP2018534842A (ja) 2018-11-22
KR102097807B1 (ko) 2020-04-06
US20170093540A1 (en) 2017-03-30
IL258415B (en) 2020-03-31
JP6772257B2 (ja) 2020-10-21
CA3000345C (en) 2024-09-10
MX2018003672A (es) 2018-04-30
KR20180063216A (ko) 2018-06-11
AU2016331870B2 (en) 2020-05-07
CN108029087A (zh) 2018-05-11
BR112018006286A2 (pt) 2018-10-16
AU2016331870A1 (en) 2018-04-19
CN112491772B (zh) 2024-06-07
CA3234050A1 (en) 2017-04-06
WO2017058427A1 (en) 2017-04-06
TWI750588B (zh) 2021-12-21
CO2018003463A2 (es) 2018-04-10
CN108029087B (zh) 2020-12-18
CL2018000788A1 (es) 2018-08-10
NZ741135A (en) 2020-11-27
SA518391209B1 (ar) 2021-11-22
CN112491772A (zh) 2021-03-12
TW201713141A (zh) 2017-04-01
ZA201802070B (en) 2019-09-25
US11057175B2 (en) 2021-07-06
US20190165911A1 (en) 2019-05-30
KR20200037454A (ko) 2020-04-08
MX378366B (es) 2025-03-10
US10833826B2 (en) 2020-11-10
US20190182002A1 (en) 2019-06-13
TW202025835A (zh) 2020-07-01
EP3357286A1 (en) 2018-08-08
EP3687232A1 (en) 2020-07-29
PH12018500687A1 (en) 2018-10-15
IL258415A (en) 2018-05-31

Similar Documents

Publication Publication Date Title
KR102482432B1 (ko) 협대역 동작을 위한 동기화 신호들의 설계
US11272468B2 (en) Clean-slate synchronization signal design and cell search algorithms
CN107925552B (zh) 用于窄带lte(nb-lte)的上行链路设计的方法和装置
HK1248047B (zh) 用於使用同步信號進行窄帶操作的方法和裝置
HK1248047A1 (en) Means and apparatus for narrowband operation with synchronization signals
BR112018006286B1 (pt) Projeto de sinais de sincronização para operação em banda larga
HK1256528B (en) Means and apparatus for clean-slate synchronization signal design and cell search algorithms
NZ741002B2 (en) Clean-slate synchronization signal design and cell search algorithms

Legal Events

Date Code Title Description
A107 Divisional application of patent
PA0104 Divisional application for international application

St.27 status event code: A-0-1-A10-A18-div-PA0104

St.27 status event code: A-0-1-A10-A16-div-PA0104

PG1501 Laying open of application

St.27 status event code: A-1-1-Q10-Q12-nap-PG1501

PA0201 Request for examination

St.27 status event code: A-1-2-D10-D11-exm-PA0201

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

St.27 status event code: A-1-2-D10-D21-exm-PE0902

AMND Amendment
P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

E601 Decision to refuse application
PE0601 Decision on rejection of patent

St.27 status event code: N-2-6-B10-B15-exm-PE0601

X091 Application refused [patent]
AMND Amendment
E13-X000 Pre-grant limitation requested

St.27 status event code: A-2-3-E10-E13-lim-X000

P11-X000 Amendment of application requested

St.27 status event code: A-2-2-P10-P11-nap-X000

P13-X000 Application amended

St.27 status event code: A-2-2-P10-P13-nap-X000

PX0901 Re-examination

St.27 status event code: A-2-3-E10-E12-rex-PX0901

PX0701 Decision of registration after re-examination

St.27 status event code: A-3-4-F10-F13-rex-PX0701

X701 Decision to grant (after re-examination)
GRNT Written decision to grant
PR0701 Registration of establishment

St.27 status event code: A-2-4-F10-F11-exm-PR0701

PR1002 Payment of registration fee

St.27 status event code: A-2-2-U10-U12-oth-PR1002

Fee payment year number: 1

PG1601 Publication of registration

St.27 status event code: A-4-4-Q10-Q13-nap-PG1601

R17-X000 Change to representative recorded

St.27 status event code: A-5-5-R10-R17-oth-X000

PR1001 Payment of annual fee

St.27 status event code: A-4-4-U10-U11-oth-PR1001

Fee payment year number: 4

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-OTH-PR1001 (AS PROVIDED BY THE NATIONAL OFFICE)

Year of fee payment: 4