CA2983110C - Techniques for adjusting clear channel assessment (cca) window for transmissions in a shared radio frequency spectrum band - Google Patents

Techniques for adjusting clear channel assessment (cca) window for transmissions in a shared radio frequency spectrum band Download PDF

Info

Publication number
CA2983110C
CA2983110C CA2983110A CA2983110A CA2983110C CA 2983110 C CA2983110 C CA 2983110C CA 2983110 A CA2983110 A CA 2983110A CA 2983110 A CA2983110 A CA 2983110A CA 2983110 C CA2983110 C CA 2983110C
Authority
CA
Canada
Prior art keywords
contention window
transmission
adjustment value
parameter
ues
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
CA2983110A
Other languages
English (en)
French (fr)
Other versions
CA2983110A1 (en
Inventor
Srinivas YERRAMALLI
Tao Luo
Aleksandar Damnjanovic
Peter Gaal
Ravi Teja Sukhavasi
Xiaoxia Zhang
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
Publication of CA2983110A1 publication Critical patent/CA2983110A1/en
Application granted granted Critical
Publication of CA2983110C publication Critical patent/CA2983110C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0808—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA]
    • H04W74/0825—Non-scheduled access, e.g. ALOHA using carrier sensing, e.g. carrier sense multiple access [CSMA] with collision detection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/1607—Details of the supervisory signal
    • H04L1/1657—Implicit acknowledgement of correct or incorrect reception, e.g. with a moving window
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1858—Transmission or retransmission of more than one copy of acknowledgement message
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867—Arrangements specially adapted for the transmitter end
    • H04L1/187—Details of sliding window management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • 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
    • H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/14—Spectrum sharing arrangements between different networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
CA2983110A 2015-05-23 2016-05-11 Techniques for adjusting clear channel assessment (cca) window for transmissions in a shared radio frequency spectrum band Active CA2983110C (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201562165928P 2015-05-23 2015-05-23
US62/165,928 2015-05-23
US201562236827P 2015-10-02 2015-10-02
US62/236,827 2015-10-02
US15/150,790 2016-05-10
US15/150,790 US10292158B2 (en) 2015-05-23 2016-05-10 Techniques for adjusting clear channel assessment (CCA) window for transmissions in a shared radio frequency spectrum band
PCT/US2016/031918 WO2016191102A1 (en) 2015-05-23 2016-05-11 Techniques for adjusting clear channel assessment (cca) window for transmissions in a shared radio frequency spectrum band

Publications (2)

Publication Number Publication Date
CA2983110A1 CA2983110A1 (en) 2016-12-01
CA2983110C true CA2983110C (en) 2024-04-23

Family

ID=57326107

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2983110A Active CA2983110C (en) 2015-05-23 2016-05-11 Techniques for adjusting clear channel assessment (cca) window for transmissions in a shared radio frequency spectrum band

Country Status (8)

Country Link
US (2) US10292158B2 (enExample)
EP (2) EP4110001A1 (enExample)
JP (1) JP6805178B2 (enExample)
KR (2) KR102668894B1 (enExample)
CN (2) CN107660344B (enExample)
CA (1) CA2983110C (enExample)
TW (1) TWI699098B (enExample)
WO (1) WO2016191102A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240188126A1 (en) * 2018-08-09 2024-06-06 Ofinno, Llc Bandwidth part switching and determination of a contention window

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3614751B1 (en) * 2014-05-15 2021-12-15 LG Electronics Inc. Controlling power in non-licensed band
WO2016072685A2 (ko) * 2014-11-04 2016-05-12 엘지전자 주식회사 비면허 대역에서의 상향링크 전송 방법 및 이를 이용한 장치
WO2016182398A1 (en) 2015-05-14 2016-11-17 Samsung Electronics Co., Ltd. Method and apparatus for managing contention window in wireless communication system
US10292158B2 (en) 2015-05-23 2019-05-14 Qualcomm Incorporated Techniques for adjusting clear channel assessment (CCA) window for transmissions in a shared radio frequency spectrum band
US10020923B2 (en) * 2015-07-30 2018-07-10 Lg Electronics Inc. Method of transmitting and receiving downlink signal in unlicensed band in wireless communication system and apparatus therefor
KR20240055902A (ko) * 2015-07-31 2024-04-29 주식회사 윌러스표준기술연구소 다중 캐리어 신호 전송 방법, 장치 및 시스템
JP6165201B2 (ja) * 2015-08-05 2017-07-19 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
US10673576B2 (en) * 2015-08-14 2020-06-02 Electronics And Telecommunications Research Institute Operating method of communication node in network supporting licensed and unlicensed bands
US20180241687A1 (en) * 2015-09-11 2018-08-23 Telefonaktiebolaget Lm Ericsson (Publ) Technique For Multi-Connectivity
CN108370533B (zh) 2015-09-14 2022-01-07 联想创新有限公司（香港) 用于竞争窗口大小调整的设备和方法
US9622237B2 (en) 2015-09-14 2017-04-11 Wilus Institute Of Standards And Technology Inc. Method, apparatus, and system for channel access in unlicensed band
CN106804043B (zh) * 2015-11-26 2020-12-15 华为技术有限公司 一种上行接入的方法、用户设备和基站
CN107040342B (zh) * 2016-02-03 2020-09-01 电信科学技术研究院 一种传输上行控制信息的方法和设备
ES2794923T3 (es) * 2016-02-04 2020-11-19 Huawei Tech Co Ltd Método y dispositivo para determinar información de la ventana de contención
US10805953B2 (en) * 2016-02-04 2020-10-13 Ofinno, Llc Channel access procedures in a wireless network
US10455558B2 (en) * 2016-05-13 2019-10-22 Qualcomm Incorporated Handling for interruption due to carrier switching and carrier switching capability indication
EP3476069B1 (en) * 2016-06-22 2020-05-06 Telefonaktiebolaget LM Ericsson (publ) Methods and apparatuses for group transmissions
US10687330B2 (en) * 2016-07-21 2020-06-16 Qualcomm Incorporated Techniques for communicating on an uplink in a shared radio frequency spectrum band
WO2018029654A1 (en) 2016-08-12 2018-02-15 Telefonaktiebolaget Lm Ericsson (Publ) Lbt parameters for srs transmission
US10645658B2 (en) * 2016-09-06 2020-05-05 Mediatek Inc. Method and apparatus for uplink power consumption reduction in NB-IoT
US10390379B2 (en) * 2016-12-21 2019-08-20 Huawei Tehcnologies Co., Ltd. System and method for network-assisted distributed user equipment cooperation in unlicensed spectrum
US10123358B2 (en) * 2016-12-22 2018-11-06 Qualcomm Incorporated Priority management for new radio-spectrum sharing (NR-SS)
US10470048B2 (en) * 2017-01-17 2019-11-05 Qualcomm Incorporated Dynamic time-division duplexing (TDD) in new radio-spectrum sharing (NR-SS) and self-contained subframe structure
US11109236B2 (en) * 2017-11-09 2021-08-31 Qualcomm Incorporated Techniques for carrier feedback in wireless systems
US11388728B2 (en) * 2017-12-08 2022-07-12 Qualcomm Incorporated Channel availability protocol in a shared spectrum
CN110167161B (zh) 2018-02-14 2023-10-24 华为技术有限公司 一种确定竞争窗大小的方法和装置
US10945152B2 (en) * 2018-02-16 2021-03-09 Qualcomm Incorporated Base station contention window update with AUL in TxOP
CN110611934A (zh) * 2018-06-15 2019-12-24 索尼公司 电子设备、通信方法和存储介质
CN110933765B (zh) * 2018-09-19 2021-09-21 维沃移动通信有限公司 竞争窗大小cws调节方法和设备
CN110933767B (zh) * 2018-09-20 2021-07-16 维沃移动通信有限公司 竞争窗口大小调节方法和网络设备
US11160108B2 (en) 2018-09-21 2021-10-26 Ofinno, Llc Channel access for unlicensed carriers in a radio system
US12048000B2 (en) 2018-09-26 2024-07-23 Sharp Kabushiki Kaisha User equipment, base station, method for a user equipment, and method for a base station
WO2020109648A1 (en) * 2018-11-30 2020-06-04 Nokia Technologies Oy Channel contention and resource management in wireless network
US12009925B2 (en) 2019-01-11 2024-06-11 Lg Electronics Inc. Method for transmitting and receiving signal in wireless communication system and apparatus supporting same
CN119521430A (zh) 2019-02-13 2025-02-25 交互数字专利控股公司 用于在未许可频谱中竞争窗口大小的调整的方法
US20200267765A1 (en) * 2019-02-20 2020-08-20 Mediatek Singapore Pte. Ltd. Method And Apparatus For Random Access Procedure With Listen-Before-Talk Detection In Mobile Communications
WO2020190194A1 (en) 2019-03-18 2020-09-24 Telefonaktiebolaget Lm Ericsson (Publ) Ue, radio network node and methods performed therein for handling communication
CN114080766B (zh) * 2019-04-18 2024-04-26 联想（新加坡）私人有限公司 传送块传输
WO2020222278A1 (ja) * 2019-05-02 2020-11-05 株式会社Ｎｔｔドコモ ユーザ端末及び無線通信方法
WO2021021461A1 (en) * 2019-08-01 2021-02-04 Qualcomm Incorporated Techniques for contention window adjustment
CN110536473B (zh) * 2019-08-16 2023-03-10 中兴通讯股份有限公司 信号发送方法、装置及存储介质
CN114365561B (zh) * 2019-09-12 2024-12-06 上海诺基亚贝尔股份有限公司 用于提供和接收反馈信息的装置和方法
WO2020101807A2 (en) * 2019-09-26 2020-05-22 Futurewei Technologies, Inc. Methods and apparatus aggregating multiple wireless communications channels for flexible full-duplex communications
US11558763B2 (en) * 2020-03-03 2023-01-17 Qualcomm Incorporated Electronic shelf label (ESL) efficient reconnect
FI130015B (en) * 2020-12-23 2022-12-30 Wirepas Oy Timing solution for a data packet transaction for a wireless communication system
US11924873B2 (en) * 2021-01-15 2024-03-05 Qualcomm Incorporated Contention window adjustment for new radio unlicensed/sidelink
US11997185B2 (en) * 2021-06-23 2024-05-28 Qualcomm Incorporated Demodulator configuration based on user equipment signaling
CN115734380B (zh) * 2021-08-25 2025-08-12 成都极米科技股份有限公司 一种退避窗口的调整方法、装置、设备及存储介质
US12308968B2 (en) * 2022-02-10 2025-05-20 Qualcomm Incorporated Control block bundle for retransmission

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4591104B2 (ja) * 2005-02-09 2010-12-01 ソニー株式会社 無線通信装置、無線通信方法およびプログラム
KR20080080726A (ko) * 2007-03-02 2008-09-05 삼성전자주식회사 다단계 경쟁을 이용한 전송 장치 및 방법
EP2241126B1 (en) * 2008-01-03 2016-04-13 Koninklijke Philips N.V. Method of exchanging data between a base station and a mobile station.
EP2484039B1 (en) * 2009-10-01 2018-08-15 InterDigital Patent Holdings, Inc. Uplink control data transmission
US8526464B2 (en) 2010-01-26 2013-09-03 Kapsch Trafficcom Ag Adaptive contention window in discontinuous wireless communication channels
US8467472B2 (en) * 2010-09-21 2013-06-18 Intel Corporation Device, system, and method of adjusting channel utilization for wireless transmission
WO2013006006A2 (ko) 2011-07-07 2013-01-10 엘지전자 주식회사 무선통신시스템에서 신호 전송 방법 및 장치
CN103765824B (zh) 2011-07-14 2017-03-22 美国博通公司 用于在系统的未许可频带上提供灵活时间共享方案的方法和装置
US8914686B2 (en) * 2011-08-12 2014-12-16 Telefonaktiebolaget L M Ericsson (Publ) Throughput improvement in wireless systems
US8855227B2 (en) * 2011-08-19 2014-10-07 Telefonaktiebolaget L M Ericsson (Publ) Methods of receiving multiple input multiple output signals and related communication devices
CN103368709B (zh) * 2012-04-09 2018-08-14 中兴通讯股份有限公司 一种混合自动重传请求确认应答信息发送方法及装置
US9301319B2 (en) 2013-01-14 2016-03-29 Qualcomm Incorporated Systems and methods for modifying carrier sense multiple access (CSMA) for dense networks
US20140303806A1 (en) * 2013-04-04 2014-10-09 GM Global Technology Operations LLC Apparatus and methods for providing tailored information to vehicle users based on vehicle community input
EP2997753A4 (en) * 2013-05-15 2017-05-10 Qualcomm Incorporated Group bearer and bearer selection for multicast/broadcast data transmissions
CN104301273B (zh) * 2014-08-25 2020-03-10 中兴通讯股份有限公司 使用非授权载波发送及接收信号的方法、基站及用户设备
ES2779579T3 (es) * 2015-03-17 2020-08-18 Ericsson Telefon Ab L M Un dispositivo de comunicación y un método en el mismo para determinar el tamaño de una ventana de contención en una red de comunicación
US10264594B2 (en) * 2015-03-17 2019-04-16 Telefonaktiebolaget Lm Ericsson (Publ) RSSI measurement during LBT
US10051662B2 (en) * 2015-04-15 2018-08-14 Mediatek Inc. Methods of listen-before-talk mechanism for opportunistic spectrum access
US10292158B2 (en) * 2015-05-23 2019-05-14 Qualcomm Incorporated Techniques for adjusting clear channel assessment (CCA) window for transmissions in a shared radio frequency spectrum band
US10673576B2 (en) * 2015-08-14 2020-06-02 Electronics And Telecommunications Research Institute Operating method of communication node in network supporting licensed and unlicensed bands
WO2019139876A1 (en) * 2018-01-10 2019-07-18 Idac Holdings, Inc. Data transmissions and harq-ack associated with an unlicensed spectrum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240188126A1 (en) * 2018-08-09 2024-06-06 Ofinno, Llc Bandwidth part switching and determination of a contention window
US12302388B2 (en) * 2018-08-09 2025-05-13 Ofinno, Llc Bandwidth part switching and determination of a contention window

Also Published As

Publication number Publication date
US20160345326A1 (en) 2016-11-24
US20190190679A1 (en) 2019-06-20
CA2983110A1 (en) 2016-12-01
EP3305005A1 (en) 2018-04-11
US10292158B2 (en) 2019-05-14
CN115278921A (zh) 2022-11-01
KR20230093357A (ko) 2023-06-27
JP2018520570A (ja) 2018-07-26
TW201644220A (zh) 2016-12-16
EP3305005B1 (en) 2022-10-12
BR112017025060A2 (pt) 2018-08-07
TWI699098B (zh) 2020-07-11
CN115278921B (zh) 2025-10-03
KR102546377B1 (ko) 2023-06-22
US11115170B2 (en) 2021-09-07
CN107660344A (zh) 2018-02-02
EP4110001A1 (en) 2022-12-28
CN107660344B (zh) 2022-08-09
WO2016191102A1 (en) 2016-12-01
KR102668894B1 (ko) 2024-05-23
KR20180011106A (ko) 2018-01-31
JP6805178B2 (ja) 2020-12-23

Similar Documents

Publication Publication Date Title
US11115170B2 (en) Techniques for adjusting clear channel assessment (CCA) window for transmissions in a shared radio frequency spectrum band
US11956786B2 (en) Contention-based physical uplink shared channel
US11284424B2 (en) Uplink payload determination and uplink grant indication for MulteFire
CN107852289B (zh) 用于增强型机器类型通信的集束和混合自动重复请求操作
US10812982B2 (en) Autonomous uplink transmission in unlicensed spectrum
AU2017269398B2 (en) Harq feedback in shared RF spectrum band
WO2016187066A1 (en) Measurement gaps in carrier aggregation
US20170142754A1 (en) Lbt interface for logical dtx
EP3335515A1 (en) Techniques for contention window adjustment for transmissions in a shared radio frequency spectrum band
BR112017025060B1 (pt) Método e aparelho para comunicações sem fio em uma estação base,método e aparelho para comunicações sem fio em um equipamento de usuário e memória legível por computador

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415

EEER Examination request

Effective date: 20210415