CA3000345C - DESIGN OF NARROWBAND OPERATING SYNCHRONIZATION SIGNALS - Google Patents

DESIGN OF NARROWBAND OPERATING SYNCHRONIZATION SIGNALS

Info

Publication number
CA3000345C
CA3000345C CA3000345A CA3000345A CA3000345C CA 3000345 C CA3000345 C CA 3000345C CA 3000345 A CA3000345 A CA 3000345A CA 3000345 A CA3000345 A CA 3000345A CA 3000345 C CA3000345 C CA 3000345C
Authority
CA
Canada
Prior art keywords
pss
sss
code
synchronization
sequence
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
CA3000345A
Other languages
English (en)
French (fr)
Other versions
CA3000345A1 (en
Inventor
Jing Lei
Peter Gaal
Hao Xu
Wanshi Chen
Yongbin Wei
Xiaofeng Wang
Renqiu Wang
Seyed Ali Akbar FAKOORIAN
Madhavan Srinivasan Vajapeyam
Alberto RICO ALVARINO
Juan Montojo
Original Assignee
Qualcomm Inc
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 Qualcomm Inc filed Critical Qualcomm Inc
Priority to CA3234050A priority Critical patent/CA3234050A1/en
Publication of CA3000345A1 publication Critical patent/CA3000345A1/en
Application granted granted Critical
Publication of CA3000345C publication Critical patent/CA3000345C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
CA3000345A 2015-09-29 2016-08-26 DESIGN OF NARROWBAND OPERATING SYNCHRONIZATION SIGNALS Active CA3000345C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3234050A CA3234050A1 (en) 2015-09-29 2016-08-26 Design of synchronization signals for narrowband operation

Applications Claiming Priority (5)

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

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3234050A Division CA3234050A1 (en) 2015-09-29 2016-08-26 Design of synchronization signals for narrowband operation

Publications (2)

Publication Number Publication Date
CA3000345A1 CA3000345A1 (en) 2017-04-06
CA3000345C true CA3000345C (en) 2024-09-10

Family

ID=58407613

Family Applications (2)

Application Number Title Priority Date Filing Date
CA3234050A Pending CA3234050A1 (en) 2015-09-29 2016-08-26 Design of synchronization signals for narrowband operation
CA3000345A Active CA3000345C (en) 2015-09-29 2016-08-26 DESIGN OF NARROWBAND OPERATING SYNCHRONIZATION SIGNALS

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA3234050A Pending CA3234050A1 (en) 2015-09-29 2016-08-26 Design of synchronization signals for narrowband operation

Country Status (19)

Country Link
US (3) US10256955B2 (enExample)
EP (2) EP3357286B1 (enExample)
JP (1) JP6772257B2 (enExample)
KR (2) KR102097807B1 (enExample)
CN (2) CN108029087B (enExample)
AR (1) AR106571A1 (enExample)
AU (1) AU2016331870B2 (enExample)
CA (2) CA3234050A1 (enExample)
CL (1) CL2018000788A1 (enExample)
CO (1) CO2018003463A2 (enExample)
IL (1) IL258415B (enExample)
MX (1) MX378366B (enExample)
MY (1) MY190327A (enExample)
PH (1) PH12018500687A1 (enExample)
RU (1) RU2706404C1 (enExample)
SA (1) SA518391209B1 (enExample)
TW (2) TWI750588B (enExample)
WO (1) WO2017058427A1 (enExample)
ZA (1) ZA201802070B (enExample)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10863459B2 (en) * 2015-07-24 2020-12-08 Apple Inc. Synchronization signals and channel structure for narrowband LTE deployments
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
WO2017057984A1 (ko) * 2015-10-02 2017-04-06 엘지전자 주식회사 협대역 사물인터넷을 지원하는 무선 접속 시스템에서 주동기신호 송수신 방법 및 장치
WO2017078802A1 (en) * 2015-11-06 2017-05-11 Intel IP Corporation Synchronization signal design for narrowband internet of things communications
US10383036B2 (en) * 2015-11-06 2019-08-13 Nokia Solutions And Networks Oy Method and apparatus for implementing access control
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
US10575272B2 (en) * 2016-02-03 2020-02-25 Lg Electronics Inc. Method and apparatus for synchronizing frequency and time in a wireless communication system
KR102622879B1 (ko) * 2016-02-03 2024-01-09 엘지전자 주식회사 협대역 동기신호 송수신 방법 및 이를 위한 장치
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
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
EP3501191A4 (en) * 2016-08-18 2020-04-15 Sierra Wireless, Inc. BROADCAST DOWNLINK ORDERING INFORMATION THAT CAN BE DECODED BY VARIABLE BANDWIDTH
US10805893B2 (en) * 2016-08-19 2020-10-13 Samsung Electronics Co., Ltd System and method for providing universal synchronization signals for new radio
US10313167B2 (en) 2016-08-19 2019-06-04 Qualcomm Incorporated Phase rotation for in-band signal generation for narrow band transmission
KR102606781B1 (ko) * 2016-09-02 2023-11-27 삼성전자 주식회사 무선 통신 시스템에서 효율적인 데이터 송수신 방법 및 장치
CA3043484C (en) 2016-11-11 2021-01-19 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
US11799603B2 (en) * 2017-05-02 2023-10-24 Ntt Docomo, Inc. Base station apparatus
US11272510B2 (en) * 2017-05-19 2022-03-08 Qualcomm Incorporated Channel and sync raster signaling
JP2020522172A (ja) * 2017-05-26 2020-07-27 エルジー エレクトロニクス インコーポレイティド 無線通信システムにおいて端末が送信ブロックに対する送信リソースを選択する方法及びそのための装置
CN110945805B (zh) 2017-07-28 2022-07-19 Lg电子株式会社 发送和接收同步信号块的方法及其设备
WO2019054755A1 (ko) * 2017-09-12 2019-03-21 엘지전자 주식회사 무선 통신 시스템에서 무선 신호 송수신 방법 및 장치
US10743257B2 (en) * 2017-09-15 2020-08-11 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
US11234200B2 (en) * 2017-09-28 2022-01-25 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
WO2019084429A1 (en) * 2017-10-26 2019-05-02 Northeastern University CODING AND DECODING DATA IN COMMUNICATION FRAMEWORKS OF A COMMUNICATION PROTOCOL
DE112017008245T5 (de) * 2017-11-30 2020-09-03 Intel IP Corporation Verfahren und Vorrichtungen für Schmalbandkommunikationen
WO2019105553A1 (en) 2017-11-30 2019-06-06 Intel IP 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
EP3793267A4 (en) * 2018-05-11 2021-05-26 Huawei Technologies Co., Ltd. SIGNAL TRANSMISSION PROCESS, RECEPTION PROCEDURE AND DEVICE
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
CN112840727B (zh) * 2018-08-02 2024-09-06 上海诺基亚贝尔股份有限公司 用于独立mtc操作的方法
US12323823B2 (en) 2018-08-20 2025-06-03 Nokia Solutions And Networks Oy Method, apparatus and medium for adjusting transmission property
US10728847B2 (en) 2018-10-05 2020-07-28 Itron, Inc. Cellular modem for low power applications
US10945204B2 (en) * 2018-10-05 2021-03-09 Itron, Inc. Battery power management for a cellular device
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
US20230171715A1 (en) * 2020-05-05 2023-06-01 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
CN114982282B (zh) * 2020-05-20 2024-12-06 上海诺基亚贝尔股份有限公司 信号源标识和确定
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
CN115706656B (zh) * 2021-08-04 2025-12-05 苹果公司 用于通信的方法、装置、计算机可读存储介质和设备
WO2023151079A1 (en) 2022-02-14 2023-08-17 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
WO2025041869A1 (ko) * 2023-08-18 2025-02-27 엘지전자 주식회사 무선 통신 시스템에서 직교 처프 신호에 기반한 pss 송수신 방법 및 장치
WO2025216338A1 (ko) * 2024-04-11 2025-10-16 엘지전자 주식회사 무선 통신 시스템에서 신호 송수신 방법 및 장치

Family Cites Families (57)

* 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
JP2009530984A (ja) * 2006-03-21 2009-08-27 スタッカート・コミュニケーションズ・インコーポレーテッド 検出および回避の情報の交換
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
WO2009078664A2 (en) * 2007-12-17 2009-06-25 Lg Electronics Inc. Method for performing cell search procedure in wireless communication system
EP2293917B1 (en) * 2008-06-25 2012-09-05 Husky Injection Molding Systems S.A. Back-up device for use in a melt distribution apparatus of an injection molding system
US9294219B2 (en) * 2008-09-30 2016-03-22 Qualcomm Incorporated Techniques for supporting relay operation in wireless communication systems
US8982759B2 (en) * 2009-01-15 2015-03-17 Lg Electronics Inc. System information transmitting and receiving device
BRPI1008100B1 (pt) * 2009-02-05 2021-08-10 Apple Inc Método e sistema para a determinação de localização de equipamento de usuário em um sistema de transmissão sem fio
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
WO2012027880A1 (en) 2010-08-30 2012-03-08 Motorola Mobility, Inc. Methods and apparatus for carrier frequency offset estimation and carrier frequency offset correction
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
EP2770652B1 (en) * 2011-10-20 2019-05-01 LG Electronics Inc. Method and apparatus for transmitting control information in a wireless communication system
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
WO2014042373A1 (ko) * 2012-09-16 2014-03-20 엘지전자 주식회사 무선 통신 시스템에서 브로드캐스트 신호를 수신 또는 전송하기 위한 방법 및 이를 위한 장치
WO2014060225A1 (en) * 2012-10-17 2014-04-24 Telefonica, 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
HUE052173T2 (hu) * 2013-04-05 2021-04-28 Ericsson Telefon Ab L M Információszolgáltatás új vivõtípusra
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
WO2015046985A1 (ko) * 2013-09-27 2015-04-02 엘지전자 주식회사 무선 통신 시스템에서 D2D(Device-to-Device) 통신을 위한 동기 참조 신호 전송 방법 및 이를 위한 장치
RU2643351C1 (ru) * 2014-02-13 2018-02-01 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ передачи/приема сигнала синхронизации для связи d2d в системе беспроводной связи и аппаратура для этого
WO2015163728A1 (ko) * 2014-04-24 2015-10-29 엘지전자 주식회사 무선 통신 시스템에서 d2d통신을 위한 동기화 신호 송신 방법 및 이를 위한 장치
EP3200515B1 (en) * 2014-11-07 2019-08-28 Huawei Technologies Co., Ltd. Data transmission method and data transmission device
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
US10057868B2 (en) 2015-03-09 2018-08-21 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
US10764131B2 (en) * 2015-04-13 2020-09-01 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
US10863459B2 (en) 2015-07-24 2020-12-08 Apple Inc. Synchronization signals and channel structure for narrowband LTE deployments
US10206189B2 (en) 2015-07-27 2019-02-12 Telefonaktiebolaget Lm Ericsson (Publ) Narrowband LTE cell search
US10728077B2 (en) * 2015-09-02 2020-07-28 Lg Electronics Inc. Method and apparatus for performing random access procedure in NB-IoT carrier 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
CN120223245A (zh) * 2015-11-04 2025-06-27 交互数字专利控股公司 用于窄带lte操作的方法和过程
US10575272B2 (en) * 2016-02-03 2020-02-25 Lg Electronics Inc. Method and apparatus for synchronizing frequency and time in a wireless communication system

Also Published As

Publication number Publication date
US20170093540A1 (en) 2017-03-30
WO2017058427A1 (en) 2017-04-06
CN108029087B (zh) 2020-12-18
US10256955B2 (en) 2019-04-09
CN112491772B (zh) 2024-06-07
US11057175B2 (en) 2021-07-06
KR20180063216A (ko) 2018-06-11
CL2018000788A1 (es) 2018-08-10
EP3687232A1 (en) 2020-07-29
CO2018003463A2 (es) 2018-04-10
CN112491772A (zh) 2021-03-12
AR106571A1 (es) 2018-01-31
CA3234050A1 (en) 2017-04-06
US10833826B2 (en) 2020-11-10
MX2018003672A (es) 2018-04-30
TW201713141A (zh) 2017-04-01
TW202025835A (zh) 2020-07-01
EP3357286A1 (en) 2018-08-08
CA3000345A1 (en) 2017-04-06
JP2018534842A (ja) 2018-11-22
RU2706404C1 (ru) 2019-11-19
IL258415A (en) 2018-05-31
AU2016331870A1 (en) 2018-04-19
KR102482432B1 (ko) 2022-12-27
KR102097807B1 (ko) 2020-04-06
PH12018500687A1 (en) 2018-10-15
US20190165911A1 (en) 2019-05-30
MX378366B (es) 2025-03-10
KR20200037454A (ko) 2020-04-08
NZ741135A (en) 2020-11-27
EP3357286B1 (en) 2020-04-15
IL258415B (en) 2020-03-31
CN108029087A (zh) 2018-05-11
ZA201802070B (en) 2019-09-25
BR112018006286A2 (pt) 2018-10-16
US20190182002A1 (en) 2019-06-13
AU2016331870B2 (en) 2020-05-07
TWI689216B (zh) 2020-03-21
TWI750588B (zh) 2021-12-21
JP6772257B2 (ja) 2020-10-21
SA518391209B1 (ar) 2021-11-22
MY190327A (en) 2022-04-14
EP3687232B1 (en) 2025-04-09

Similar Documents

Publication Publication Date Title
CA3000345C (en) DESIGN OF NARROWBAND OPERATING SYNCHRONIZATION SIGNALS
US11272468B2 (en) Clean-slate synchronization signal design and cell search algorithms
HK1248047A1 (en) Means and apparatus for narrowband operation with synchronization signals
HK1248047B (zh) 用於使用同步信號進行窄帶操作的方法和裝置
NZ741002B2 (en) Clean-slate synchronization signal design and cell search algorithms

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528

EEER Examination request

Effective date: 20190528