CA2924585C - Lte-unlicensed band clear channel assessment operations - Google Patents

Lte-unlicensed band clear channel assessment operations Download PDF

Info

Publication number
CA2924585C
CA2924585C CA2924585A CA2924585A CA2924585C CA 2924585 C CA2924585 C CA 2924585C CA 2924585 A CA2924585 A CA 2924585A CA 2924585 A CA2924585 A CA 2924585A CA 2924585 C CA2924585 C CA 2924585C
Authority
CA
Canada
Prior art keywords
cca
transmissions
beacon
monitoring
timing
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
CA2924585A
Other languages
English (en)
French (fr)
Other versions
CA2924585A1 (en
Inventor
Tingfang Ji
Naga Bhushan
Yongbin Wei
Peter Gaal
Tao Luo
Wanshi Chen
Durga Prasad Malladi
Aleksandar Damnjanovic
Kiran Kumar SOMASUNDARAM
Hao Xu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
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 CA3048064A priority Critical patent/CA3048064C/en
Publication of CA2924585A1 publication Critical patent/CA2924585A1/en
Application granted granted Critical
Publication of CA2924585C publication Critical patent/CA2924585C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1215Wireless traffic scheduling for collaboration of different radio technologies
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B17/00Monitoring; Testing
    • H04B17/30Monitoring; Testing of propagation channels
    • H04B17/382Monitoring; Testing of propagation channels for resource allocation, admission control or handover
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W24/00Supervisory, monitoring or testing arrangements
    • H04W24/02Arrangements for optimising operational condition
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04Transmission power control [TPC]
    • H04W52/30Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/36Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/365Power headroom reporting
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W56/00Synchronisation arrangements
    • H04W56/004Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/0045Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0808Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W74/00Wireless channel access
    • H04W74/08Non-scheduled access, e.g. ALOHA
    • H04W74/0866Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14Spectrum sharing arrangements between different networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
CA2924585A 2013-10-07 2014-10-07 Lte-unlicensed band clear channel assessment operations Active CA2924585C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA3048064A CA3048064C (en) 2013-10-07 2014-10-07 Lte-unlicensed band clear channel assessment operations

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361887922P 2013-10-07 2013-10-07
US61/887,922 2013-10-07
US14/507,727 2014-10-06
US14/507,727 US9763225B2 (en) 2013-10-07 2014-10-06 LTE-U clear channel assessment operations
PCT/US2014/059544 WO2015054294A2 (en) 2013-10-07 2014-10-07 Lte-u clear channel assessment operations

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA3048064A Division CA3048064C (en) 2013-10-07 2014-10-07 Lte-unlicensed band clear channel assessment operations

Publications (2)

Publication Number Publication Date
CA2924585A1 CA2924585A1 (en) 2015-04-16
CA2924585C true CA2924585C (en) 2021-11-09

Family

ID=52777364

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2924585A Active CA2924585C (en) 2013-10-07 2014-10-07 Lte-unlicensed band clear channel assessment operations
CA3048064A Active CA3048064C (en) 2013-10-07 2014-10-07 Lte-unlicensed band clear channel assessment operations

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA3048064A Active CA3048064C (en) 2013-10-07 2014-10-07 Lte-unlicensed band clear channel assessment operations

Country Status (8)

Country Link
US (1) US9763225B2 (https=)
EP (2) EP3531790B1 (https=)
JP (2) JP6502365B2 (https=)
KR (2) KR101955351B1 (https=)
CN (2) CN105594242B (https=)
BR (1) BR112016007651B1 (https=)
CA (2) CA2924585C (https=)
WO (1) WO2015054294A2 (https=)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9743363B2 (en) * 2014-06-24 2017-08-22 Qualcomm Incorporated CCA clearance in unlicensed spectrum
US9603164B2 (en) * 2014-07-01 2017-03-21 Intel Corporation Group carrier scheduling for unlicensed long term evolution network
CN105282749B (zh) * 2014-07-15 2018-10-26 财团法人工业技术研究院 基站及其通信方法
US10264605B2 (en) * 2014-07-29 2019-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Listen-before-talk based medium access
WO2016021920A1 (ko) * 2014-08-07 2016-02-11 엘지전자 주식회사 비면허 대역에서의 통신 방법 및 이를 이용한 장치
US10136452B2 (en) * 2015-02-24 2018-11-20 Qualcomm Incorporated Enhanced PRACH for standalone contention based communications including unlicensed spectrum
US9955478B2 (en) * 2015-04-17 2018-04-24 Qualcomm Incorporated Techniques for managing communications in a shared radio frequency spectrum band
US10349293B2 (en) * 2015-04-17 2019-07-09 Qualcomm Incorporated Control of UE clear channel assessment by an eNB
CN110266462B (zh) * 2015-05-12 2021-08-24 韩国电子通信研究院 发射机传输方法和由接收机通过未授权带信道执行的方法
KR102105050B1 (ko) 2015-05-13 2020-04-27 엘지전자 주식회사 비면허 대역에서의 랜덤 액세스 과정을 수행하는 방법 및 기기
CN106304345A (zh) * 2015-05-15 2017-01-04 中兴通讯股份有限公司 一种上行资源分配方法、基站和用户终端
US20160353437A1 (en) * 2015-05-26 2016-12-01 Futurewei Technologies, Inc. System and Method for Reserving Unlicensed Spectrum
CN105578573B (zh) * 2015-05-28 2019-02-01 宇龙计算机通信科技(深圳)有限公司 一种非授权频段信道占用时间的配置方法及装置
DE102015210873A1 (de) * 2015-06-15 2016-12-15 Sennheiser Electronic Gmbh & Co. Kg Drahtlos-Mikrofon und/oder In-Ear-Monitoringsystem
US10652753B2 (en) * 2015-07-24 2020-05-12 Samsung Electronics Co., Ltd. Method for transmitting control signal and channel in mobile communication system using unlicensed band
CN105611617B (zh) * 2015-07-31 2019-03-22 宇龙计算机通信科技(深圳)有限公司 设置发送功率的方法、装置、基站和用户设备
CN106453182B (zh) * 2015-08-07 2020-06-09 中兴通讯股份有限公司 前导发送方法和装置
CN106559844B (zh) * 2015-09-25 2020-03-24 电信科学技术研究院 一种上行传输资源调度及上行传输方法、装置
EP3202196B1 (en) * 2015-10-09 2021-09-29 Telefonaktiebolaget LM Ericsson (PUBL) Method and apparatus for data transmission
US9877344B2 (en) 2015-10-12 2018-01-23 Qualcomm Incorporated Techniques for downlink scheduling and uplink scheduling in a shared radio frequency spectrum band
EP3387875B1 (en) * 2015-12-11 2025-07-23 Telefonaktiebolaget LM Ericsson (publ) Timing advance in lbt systems
WO2017129751A1 (en) * 2016-01-29 2017-08-03 Telefonaktiebolaget Lm Ericsson (Publ) Clear channel assessment technique
US10687288B2 (en) * 2016-02-02 2020-06-16 Qualcomm Incorporated Synchronization across transmitting nodes using shared radio frequency spectrum
CN107041000A (zh) * 2016-02-04 2017-08-11 电信科学技术研究院 上行控制信息的传输方法及装置
EP3412052B1 (en) 2016-02-05 2025-10-22 Telefonaktiebolaget LM Ericsson (PUBL) Monitor and predict wi-fi utilization patterns for dynamic optimization of the operating parameters of nearby enbs using the same unlicensed spectrum
CN108605230B (zh) * 2016-02-05 2020-07-10 诸暨市元畅信息技术咨询服务部 一种空闲信道评估方法及终端
CN108476411B (zh) * 2016-03-31 2021-06-08 华为技术有限公司 信号传输方法、终端设备、接入网设备以及信号传输系统
WO2017171603A1 (en) 2016-03-31 2017-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Method and device for timing correction in a channel access using a listen-before-talk protocol
WO2017168400A1 (en) * 2016-04-01 2017-10-05 Telefonaktiebolaget Lm Ericsson (Publ) Managing or handling of uplink transmissions in a communication network employing a listen-before-talk procedure
JP6404256B2 (ja) * 2016-04-14 2018-10-10 株式会社Nttドコモ ユーザ端末及び無線通信方法
US10264604B2 (en) * 2016-04-21 2019-04-16 Telefonaktiebolaget Lm Ericsson (Publ) Methods used in terminal devices and network devices, and associated devices
US9918232B2 (en) * 2016-04-26 2018-03-13 Alcatel-Lucent Usa Inc. Interface for configuring communication in unlicensed frequency bands
US10517021B2 (en) 2016-06-30 2019-12-24 Evolve Cellular Inc. Long term evolution-primary WiFi (LTE-PW)
US10708946B2 (en) * 2016-08-12 2020-07-07 Telefonaktiebolaget Lm Ericsson (Publ) Technique for determining a channel width of a channel used in a wireless communication network
US10405242B2 (en) * 2016-08-19 2019-09-03 Qualcomm Incorporated Robust channel reservation on a shared communication medium
CN107801244B (zh) * 2016-08-31 2020-05-05 北京佰才邦技术有限公司 配置传输间隔的方法、装置及用户设备
ES2870574T3 (es) 2016-11-04 2021-10-27 Ericsson Telefon Ab L M Máscaras de tiempo flexibles para el acceso a canales basado en escuchar antes de hablar
US10687355B2 (en) 2016-11-16 2020-06-16 Qualcomm Incorporated Techniques for reservation preamble for low latency detection in a new radio shared spectrum communication system
CN106412931B (zh) * 2016-12-16 2019-07-30 重庆邮电大学 一种基于多时隙融合机制的lte-u空闲信道评估方法
CN108243436B (zh) * 2016-12-26 2021-01-05 展讯通信(上海)有限公司 时偏校准方法、装置及移动终端
WO2019061107A1 (zh) 2017-09-27 2019-04-04 华为技术有限公司 基于多波束轮询的传输方法及通讯设备
US11324047B2 (en) * 2017-11-10 2022-05-03 Qualcomm Incorporated NR-unlicensed transmission opportunity structure with flexible starting point
US10721628B2 (en) * 2018-08-09 2020-07-21 Qualcomm Incorporated Low-latency communication in shared spectrum
US11601851B2 (en) 2019-05-13 2023-03-07 Qualcomm Incorporated Early resource reservation
EP4039045B1 (en) * 2019-10-04 2023-09-06 Telefonaktiebolaget LM Ericsson (publ) Adapting maximum allowed cca failures based on single occasion periodicity
US12395256B2 (en) * 2020-07-03 2025-08-19 Nokia Technologies Oy Estimating signal leakage for multi-channel operation
EP4179830A4 (en) * 2020-08-14 2023-08-16 Nokia Solutions and Networks Oy Synchronization offset identification and refinement for network based positioning in unlicensed spectrum
CN117796124A (zh) * 2021-08-16 2024-03-29 高通股份有限公司 用于先听后说(lbt)的减少的感测时间配置
CN116318476B (zh) * 2023-05-23 2023-09-19 北京星河亮点技术股份有限公司 基于功率比较的信道占用状态预测方法及装置

Family Cites Families (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3462440B2 (ja) * 2000-02-10 2003-11-05 日本電信電話株式会社 Dsa通信システムの基地局装置
ES2220208A1 (es) * 2003-05-06 2004-12-01 Diseño De Sistemas En Silicio, S.A. Procedimiento de configurabilidad espectral de señales moduladas por multiplexacion ortogonal por division en frecuencia (ofdm) para red electrica.
JP2007227986A (ja) * 2004-02-02 2007-09-06 Nec Corp 無線アクセスシステム
KR20070046942A (ko) * 2004-08-25 2007-05-03 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 통신 매체에 대한 빈 채널 평가 방법 및 장치
US20060193299A1 (en) * 2005-02-25 2006-08-31 Cicso Technology, Inc., A California Corporation Location-based enhancements for wireless intrusion detection
KR101226581B1 (ko) * 2005-03-14 2013-01-28 나노라디오 에이비 가속 백오프 기능을 포함하는 무선 랜 송신 스케줄러
KR100800692B1 (ko) * 2005-04-11 2008-02-01 삼성전자주식회사 직교 주파수 분할 다중화 시스템의 주파수 오프셋 추정장치 및 방법
US20070165573A1 (en) * 2006-01-19 2007-07-19 Hannu Hietalahti Mobility Management with Controlled Use of New Reject Causes
JP2008061037A (ja) * 2006-08-31 2008-03-13 Univ Of Electro-Communications 無線通信装置、無線通信方法、及び、無線通信プログラム
WO2008060921A1 (en) * 2006-11-10 2008-05-22 Broadcom Corporation A serial clear to send to self messaging procedure
US7688762B2 (en) * 2007-03-21 2010-03-30 Cisco Technology, Inc. Mesh backhaul network planning
US7881340B2 (en) * 2007-10-22 2011-02-01 The Johns Hopkins University Decentralized media access control for ad-hoc mobile wireless network
JP4548487B2 (ja) * 2008-01-11 2010-09-22 ソニー株式会社 送信装置、通信システム、送信方法及びプログラム
ES2375532T5 (es) * 2008-06-05 2015-08-20 Optis Wireless Technology, Llc Método y disposición en un sistema de comunicaciones celulares
US20100014460A1 (en) * 2008-07-11 2010-01-21 Electronics And Telecommunications Research Institute Sensor network mac system for multihop communication
CN102177753B (zh) * 2008-08-08 2014-06-25 诺基亚西门子通信公司 用于控制移动站功率的方法和设备
US9077594B2 (en) * 2009-07-23 2015-07-07 Marvell International Ltd. Coexistence of a normal-rate physical layer and a low-rate physical layer in a wireless network
PT104868A (pt) * 2009-12-10 2011-06-14 Univ Aveiro Método e aparelho para captura determinística de um canal de comunicação partilhado entre tecnologias baseadas em contenção
US8725078B2 (en) * 2010-07-09 2014-05-13 TTSL IITB Center for Excellence in Telecom (TICET) Approach for enabling coexistence for radio technologies
CN103250393B (zh) 2010-10-18 2016-03-16 诺基亚通信公司 用于网络控制的装置及方法
FI20115043A0 (fi) * 2011-01-17 2011-01-17 Nokia Corp Lähetysresurssien varaaminen
WO2012122508A2 (en) * 2011-03-09 2012-09-13 Board Of Regents Network routing system, method, and computer program product
WO2012135998A1 (en) * 2011-04-04 2012-10-11 Renesas Mobile Corporation Random access procedures with cross-carrier scheduling
US8837304B2 (en) * 2011-04-08 2014-09-16 Sharp Kabushiki Kaisha Devices for multi-group communications
WO2012139278A1 (en) 2011-04-12 2012-10-18 Renesas Mobile Corporation Methods and apparatuses of spectrum sharing for cellular-controlled offloading using unlicensed band
WO2012169756A2 (ko) * 2011-06-06 2012-12-13 엘지전자 주식회사 반송파 집성 기법이 적용된 무선 통신 시스템에서 복수의 단말에 관한 신호를 다중화하는 방법 및 이를 위한 장치
WO2013006988A1 (en) 2011-07-14 2013-01-17 Renesas Mobile Corporation Methods and apparatuses for provision of a flexible time sharing scheme on an unlicensed band of a system
KR102029272B1 (ko) * 2011-08-29 2019-10-07 마벨 월드 트레이드 리미티드 무선 네트워크에서 노멀 속도 물리 계층과 저속 물리 계층의 공존
WO2013060016A1 (en) * 2011-10-28 2013-05-02 Renesas Mobile Corporation Methods and apparatuses for provision of an effective pathloss offset calculation mechanism for a communication system
US9026156B2 (en) * 2011-11-07 2015-05-05 Nokia Corporation Method and apparatus providing in-device co-existence signaling
GB2498988B (en) 2012-02-02 2014-08-06 Broadcom Corp Communications apparatus and methods
US10932229B2 (en) * 2012-04-30 2021-02-23 Interdigital Patent Holdings, Inc. Method and apparatus for supporting coordinated orthogonal block-based resource allocation (COBRA) operations

Also Published As

Publication number Publication date
JP2016539598A (ja) 2016-12-15
KR101955351B1 (ko) 2019-03-07
CN110087323A (zh) 2019-08-02
EP3531790B1 (en) 2023-05-17
CA3048064A1 (en) 2015-04-16
BR112016007651A2 (pt) 2017-08-01
US20150099525A1 (en) 2015-04-09
WO2015054294A3 (en) 2015-07-23
JP6625702B2 (ja) 2019-12-25
EP3056054B1 (en) 2019-05-01
CA3048064C (en) 2023-08-29
CN105594242A (zh) 2016-05-18
WO2015054294A2 (en) 2015-04-16
JP2019013010A (ja) 2019-01-24
EP3056054A2 (en) 2016-08-17
CN105594242B (zh) 2019-07-02
EP3531790A1 (en) 2019-08-28
CA2924585A1 (en) 2015-04-16
KR102128383B1 (ko) 2020-06-30
BR112016007651B1 (pt) 2023-05-02
KR20160066038A (ko) 2016-06-09
CN110087323B (zh) 2022-11-18
KR20180101629A (ko) 2018-09-12
US9763225B2 (en) 2017-09-12
JP6502365B2 (ja) 2019-04-17

Similar Documents

Publication Publication Date Title
CA2924585C (en) Lte-unlicensed band clear channel assessment operations
EP2817996B1 (en) Mitigating cross-device interference
US8929230B2 (en) Coordinated silent period with sounding reference signal (SRS) configuration
EP3304963B1 (en) Performance enhancements for frequency reuse and time division multiplexing in a licensed assisted access system
EP3284285B1 (en) Apparatus and method for controlling a tune-away operation
EP3152974B1 (en) Protected cet transmission and reception
EP2807887A1 (en) Regional and narrow band common reference signal (crs) for user equipment (ue) relays
KR20130043201A (ko) 단거리 무선 시스템들과 모바일 무선 광대역 시스템의 동시 동작

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20180130

MPN Maintenance fee for patent paid

Free format text: FEE DESCRIPTION TEXT: MF (PATENT, 11TH ANNIV.) - STANDARD

Year of fee payment: 11

U00 Fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U00-U101 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE REQUEST RECEIVED

Effective date: 20250908

U11 Full renewal or maintenance fee paid

Free format text: ST27 STATUS EVENT CODE: A-4-4-U10-U11-U102 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE PAYMENT PAID IN FULL

Effective date: 20250908