MX2020004872A - Sistema de comunicacion, dispositivo terminal de comunicacion, y nodo de comunicacion. - Google Patents

Sistema de comunicacion, dispositivo terminal de comunicacion, y nodo de comunicacion.

Info

Publication number
MX2020004872A
MX2020004872A MX2020004872A MX2020004872A MX2020004872A MX 2020004872 A MX2020004872 A MX 2020004872A MX 2020004872 A MX2020004872 A MX 2020004872A MX 2020004872 A MX2020004872 A MX 2020004872A MX 2020004872 A MX2020004872 A MX 2020004872A
Authority
MX
Mexico
Prior art keywords
communication
terminal device
uplink transmission
communication terminal
node
Prior art date
Application number
MX2020004872A
Other languages
English (en)
Inventor
Mitsuru Mochizuki
Noriyuki Fukui
Tadahiro Shimoda
Fumihiro Hasegawa
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of MX2020004872A publication Critical patent/MX2020004872A/es

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037Inter-user or inter-terminal allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • 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
    • H04W72/0453Resources in frequency domain, e.g. a carrier in FDMA
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/542Allocation or scheduling criteria for wireless resources based on quality criteria using measured or perceived quality
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/20Selecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/50Allocation or scheduling criteria for wireless resources
    • H04W72/54Allocation or scheduling criteria for wireless resources based on quality criteria
    • H04W72/543Allocation or scheduling criteria for wireless resources based on quality criteria based on requested quality, e.g. QoS
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W8/00Network data management
    • H04W8/22Processing or transfer of terminal data, e.g. status or physical capabilities
    • H04W8/24Transfer of terminal data

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

Se proporciona un sistema de comunicación, etc. con baja latencia y alta confiabilidad, bajo la Nueva Radio (NR); un sistema de comunicación incluye un dispositivo terminal de comunicación, y una pluralidad de nodos configurados para ser conectados al dispositivo terminal de comunicación para la radiocomunicación y para proporcionar un portador fraccionado para el dispositivo terminal de comunicación; el dispositivo terminal de comunicación está configurado para llevar a cabo la transmisión de enlace ascendente a un nodo de transmisión de enlace ascendente entre la pluralidad de nodos (ST809); el nodo de transmisión de enlace ascendente es determinado por un procedimiento de determinación de nodo de transmisión de enlace ascendente (ST804) en el que un nodo que proporciona la transmisión de enlace ascendente del dispositivo terminal de comunicación con menor latencia entre la pluralidad de nodos es determinado como el nodo de transmisión de enlace ascendente.
MX2020004872A 2017-11-15 2018-11-02 Sistema de comunicacion, dispositivo terminal de comunicacion, y nodo de comunicacion. MX2020004872A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2017219829 2017-11-15
JP2018001111 2018-01-09
PCT/JP2018/040845 WO2019098059A1 (ja) 2017-11-15 2018-11-02 通信システム、通信端末装置および通信ノード

Publications (1)

Publication Number Publication Date
MX2020004872A true MX2020004872A (es) 2020-08-06

Family

ID=66540331

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2020004872A MX2020004872A (es) 2017-11-15 2018-11-02 Sistema de comunicacion, dispositivo terminal de comunicacion, y nodo de comunicacion.

Country Status (7)

Country Link
US (3) US11502794B2 (es)
EP (2) EP4297514A1 (es)
JP (3) JPWO2019098059A1 (es)
CN (5) CN116056230A (es)
BR (1) BR112020008324A2 (es)
MX (1) MX2020004872A (es)
WO (1) WO2019098059A1 (es)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118432786A (zh) 2018-01-13 2024-08-02 韦勒斯标准与技术协会公司 无线通信系统的信道复用方法和复用的信道传输方法及使用该方法的设备
EP3750257A4 (en) * 2018-02-11 2021-11-10 Telefonaktiebolaget Lm Ericsson (Publ) METHODS AND DEVICES FOR FAILURE RECOVERY
US11310838B2 (en) * 2018-02-14 2022-04-19 Qualcomm Incorporated Uplink and downlink preemption indications
US10931430B2 (en) * 2018-02-25 2021-02-23 Qualcomm Incorporated Uplink preemption in carrier aggregation/multi-connectivity mode
EP3783950A4 (en) * 2018-04-17 2022-01-05 Ntt Docomo, Inc. User terminal
US11510184B2 (en) * 2018-07-03 2022-11-22 Qualcomm Incorporated Physical uplink control channel repetition
US11569947B2 (en) * 2018-08-02 2023-01-31 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for managing a resource in a wireless communication system
CN112534876B (zh) * 2018-08-10 2022-06-28 中兴通讯股份有限公司 多址传输配置
US11317354B2 (en) * 2018-11-12 2022-04-26 Qualcomm Incorporated Uplink preemption indication
JP7109354B2 (ja) 2018-12-13 2022-07-29 Kddi株式会社 レガシーシステムとの共存を実行するための通信装置、通信方法、及びプログラム
US11997675B2 (en) * 2019-03-14 2024-05-28 Ntt Docomo, Inc. User terminal and radio communication method
WO2020199221A1 (zh) * 2019-04-04 2020-10-08 Oppo广东移动通信有限公司 一种资源配置方法、网络设备、终端设备
CN111818639B (zh) 2019-04-11 2022-12-27 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
US11653350B2 (en) * 2019-05-03 2023-05-16 Qualcomm Incorporated Variable uplink response and/or scheduling delays for non-terrestrial networks
CN112020142A (zh) 2019-05-30 2020-12-01 中国电信股份有限公司 数据复用传输方法、基站、终端以及存储介质
US11405851B2 (en) * 2019-06-10 2022-08-02 Ofinno, Llc Closed access group overload and congestion control
AU2019450805B2 (en) * 2019-06-12 2026-01-22 Qualcomm Incorporated Physical downlink control channel coexistence for different user equipment categories
US11546912B2 (en) * 2019-07-22 2023-01-03 Qualcomm Incorporated Resource conflict resolution
WO2021026863A1 (en) 2019-08-15 2021-02-18 Zte Corporation Systems and methods for transmitting signals
US11611928B2 (en) * 2019-09-24 2023-03-21 Qualcomm Incorporated Spatial preemption indication for downlink, uplink, and sidelink transmissions
KR20250141860A (ko) 2019-10-07 2025-09-29 주식회사 윌러스표준기술연구소 무선 통신 시스템에서 상향링크 전송 취소 방법, 장치 및 시스템
KR20260033618A (ko) * 2019-10-11 2026-03-10 코닌클리케 필립스 엔.브이. 셀룰러 네트워크를 통한 통신을 위한 사용자 장비 및 셀룰러 네트워크를 통한 통신을 위해 사용자 장비를 동작시키기 위한 방법
EP3997907B1 (en) * 2019-10-17 2024-12-18 Samsung Electronics Co., Ltd. Methods and systems for recovering dangling data in a nr leg of a split bearer
CN114600526B (zh) * 2019-11-05 2026-01-16 华为技术有限公司 通信方法和装置
WO2021126924A1 (en) * 2019-12-20 2021-06-24 Idac Holdings, Inc. Methods for enhanced reliability for mbms in wireless systems
US11271851B2 (en) * 2020-02-10 2022-03-08 Syntropy Network Limited System and method for autonomous selection of routing paths in a computer network
US20220279546A1 (en) * 2020-02-28 2022-09-01 Telefonaktiebolaget Lm Ericsson (Publ) Timing offset for control signaling
US11849434B2 (en) * 2020-03-18 2023-12-19 Qualcomm Incorporated Preempting, overwriting, or canceling symbols in a slot format indicator allocation
US11601925B2 (en) * 2020-04-17 2023-03-07 Qualcomm Incorporated Quasi co-location relationship reporting
US12273874B2 (en) * 2020-04-24 2025-04-08 Qualcomm Incorporated Demodulation reference signal (DMRS) and sounding reference signal (SRS) bundling under uplink timing advance (TA)
WO2021217432A1 (en) * 2020-04-28 2021-11-04 Qualcomm Incorporated Frame structure design for down-load tdd-tdd carrier aggregation with pusch-less cell
US11405087B1 (en) * 2020-05-26 2022-08-02 T-Mobile Innovations Llc Systems and methods for dynamically adjusting reporting periodicity
US12063599B2 (en) * 2020-06-17 2024-08-13 Qualcomm Incorporated UE measurement reporting in secondary cell group dormancy
US11968554B1 (en) * 2020-06-30 2024-04-23 Sprint Spectrum Lp Dynamic adjustment of channel state information reporting protocol
WO2022006848A1 (en) * 2020-07-10 2022-01-13 Qualcomm Incorporated Techniques for transmitting uplink data after an uplink path switch
CN114501505A (zh) * 2020-10-23 2022-05-13 索尼公司 用于无线通信的电子设备和方法、计算机可读存储介质
CN114513292B (zh) * 2020-11-16 2024-11-29 中兴通讯股份有限公司 一种快速建立通讯的方法、装置、设备和存储介质
US12082167B2 (en) * 2021-03-29 2024-09-03 Qualcomm Incorporated Transmission continuity capability reporting
US20230091628A1 (en) * 2021-09-22 2023-03-23 Qualcomm Incorporated Multiplexing sidelink positioning reference signals and data
JP7753521B2 (ja) * 2022-04-11 2025-10-14 株式会社Nttドコモ 端末、基地局及び通信方法
WO2023199391A1 (ja) * 2022-04-11 2023-10-19 株式会社Nttドコモ 端末、基地局及び通信方法
CN117835378A (zh) * 2022-09-29 2024-04-05 中兴通讯股份有限公司 通信方法、网络设备及终端
KR20250099118A (ko) * 2022-11-04 2025-07-01 엘지전자 주식회사 최대 감도 저하 관련 능력
US20240195533A1 (en) * 2022-12-12 2024-06-13 GM Global Technology Operations LLC Optimization of vehicle communications employing retransmission request protocol
US20240406879A1 (en) * 2023-05-30 2024-12-05 Apple Inc. Configuration-based ue msd reporting
CN119342611A (zh) * 2023-07-20 2025-01-21 深圳市锐尔觅移动通信有限公司 资源分配方法、装置、基站、可读存储介质和程序产品
JP2025043509A (ja) * 2023-09-19 2025-04-01 Kddi株式会社 特定の周波数帯を補助的に上りリンクの通信に使用する端末装置、基地局装置、制御方法、及びプログラム
US20250254628A1 (en) * 2024-02-05 2025-08-07 Dell Products L.P. Distributed unit monitoring of radio unit transmitter performance

Family Cites Families (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101294815B1 (ko) * 2009-05-15 2013-08-08 엘지전자 주식회사 무선 통신 시스템에서 사운딩 참조 신호 송신 방법 및 이를 위한 장치
JP2013512599A (ja) 2009-11-26 2013-04-11 テレフオンアクチーボラゲット エル エム エリクソン(パブル) アップリンク電力制御
JP2011199564A (ja) 2010-03-19 2011-10-06 Fujitsu Ltd 基地局装置、無線端末及びセル選択方法
KR101614096B1 (ko) * 2010-08-12 2016-04-29 한국전자통신연구원 이동통신 시스템에서 멀티 캐리어 구조를 위한 채널 관리 방법
CN102447549B (zh) * 2010-10-09 2015-03-11 普天信息技术研究院有限公司 一种移动通信系统中上行同步混合自动重复请求的方法
WO2012108399A1 (ja) * 2011-02-10 2012-08-16 三菱電機株式会社 通信システム
EP2730134B1 (en) 2011-07-05 2019-03-13 Telefonaktiebolaget LM Ericsson (publ) Methods, apparatus and computer programs for base station initiated energy savings within an associated user equipment
WO2013069994A1 (ko) * 2011-11-08 2013-05-16 엘지전자 주식회사 무선통신 시스템에서 상향링크 전송 전력을 설정하는 방법 및 이를 위한 장치
WO2014034773A1 (ja) * 2012-08-30 2014-03-06 三菱電機株式会社 通信システム
KR20140040544A (ko) * 2012-09-26 2014-04-03 주식회사 팬택 다중 요소 반송파 시스템에서 상향링크 전송 중단 및 재개 방법 및 장치
WO2014060037A1 (en) * 2012-10-18 2014-04-24 Nokia Solutions And Networks Oy Communication of control information and data in frames
CN103906134B (zh) * 2012-12-27 2018-07-20 电信科学技术研究院 一种传输上行信息的方法、设备及系统
CN104737604B9 (zh) * 2013-06-28 2018-12-07 华为技术有限公司 上行数据的传输方法、无线通信节点和终端
CN109510697B (zh) * 2013-07-04 2021-07-06 韩国电子通信研究院 处理无线电链路故障的方法
HUE039054T2 (hu) * 2013-08-08 2018-12-28 Ericsson Telefon Ab L M Csomópontok és eljárás véletlen hozzáféréshez kettõs összekapcsolhatóságban
JP2015046815A (ja) 2013-08-29 2015-03-12 京セラ株式会社 無線端末、通信帯域選択方法およびプロセッサ
US10555344B2 (en) * 2013-09-24 2020-02-04 Lg Electronics Inc. MAC layer communication for parallel random access procedures of dual connectivity
US9572171B2 (en) * 2013-10-31 2017-02-14 Intel IP Corporation Systems, methods, and devices for efficient device-to-device channel contention
KR20150051091A (ko) * 2013-11-01 2015-05-11 주식회사 아이티엘 이중 연결 방식을 이용하는 무선통신 시스템에서 랜덤 액세스 수행 방법 및 장치
CN104754707B (zh) * 2013-12-26 2019-10-18 索尼公司 用于控制小小区的工作状态的改变的装置和方法
CN105900522A (zh) * 2014-01-31 2016-08-24 诺基亚通信公司 用于小区操作信令的装置和方法
EP3139672A4 (en) * 2014-04-30 2018-01-03 Sharp Kabushiki Kaisha Terminal device, base station device, and method
EP3141037B1 (en) * 2014-05-09 2019-04-24 Telefonaktiebolaget LM Ericsson (publ) Uplink reconfiguration for split bearer in dual connectivity
KR20150128234A (ko) * 2014-05-09 2015-11-18 주식회사 아이티엘 이중연결 방식을 이용하는 무선 통신 시스템에서 기지국의 동작 변경에 따른 단말의 동작 방법 및 이를 수행하는 장치
CN105323049A (zh) * 2014-06-13 2016-02-10 中兴通讯股份有限公司 一种非授权载波的调度方法、设备和系统
CN105323852B (zh) 2014-07-28 2019-12-24 中兴通讯股份有限公司 上行承载的修改方法及装置
CN105376801A (zh) * 2014-08-25 2016-03-02 中兴通讯股份有限公司 一种上行数据传输的方法及终端
US10230431B2 (en) 2014-09-12 2019-03-12 Parallel Wireless, Inc. Low-latency inter-eNodeB coordinated multi-point transmission
EP3240346B1 (en) * 2014-12-25 2021-09-01 Nec Corporation Wireless terminal, wireless station, methods carried out by same, program and system
WO2016130175A1 (en) * 2015-02-11 2016-08-18 Intel IP Corporation Device, system and method employing unified flexible 5g air interface
JP6425800B2 (ja) * 2015-04-10 2018-11-21 京セラ株式会社 ユーザ端末、通信方法及びプロセッサ
US10104584B2 (en) * 2015-05-14 2018-10-16 Blackberry Limited Uplink data splitting
WO2017007148A1 (en) * 2015-07-06 2017-01-12 Lg Electronics Inc. Method for cancelling a buffer status report or a scheduling request in dual connectivity and a device therefor
US20170034843A1 (en) 2015-07-29 2017-02-02 Qualcomm Incorporated Scheduler methods for data aggregation over multiple links
CN106488499A (zh) * 2015-08-25 2017-03-08 中兴通讯股份有限公司 一种业务分流方法及装置
ES2945339T3 (es) * 2015-09-18 2023-06-30 Guangdong Oppo Mobile Telecommunications Corp Ltd Dispositivo terminal, dispositivo de estación base, método de comunicación y circuito integrado
CN108353307B (zh) 2015-11-04 2021-07-09 瑞典爱立信有限公司 在分割承载环境下提供流控制的方法、系统和设备
US11202282B2 (en) * 2015-12-16 2021-12-14 Qualcomm Incorporated Contention-based physical uplink shared channel
CN106937396B (zh) * 2015-12-31 2020-06-30 上海无线通信研究中心 一种上行资源调度方法、终端和基站
GB2546548B (en) * 2016-01-22 2021-08-11 Tcl Communication Ltd Communication resource allocation for telecommunications networks
CN107181577B (zh) * 2016-03-09 2022-03-01 中兴通讯股份有限公司 上行反馈信息的传输方法及装置
KR102078189B1 (ko) * 2016-03-11 2020-02-20 주식회사 케이티 무선 액세스 망 슬라이싱 제어 장치와 그 장치가 무선 베어러 전송을 제어하는 방법
CN109076610B (zh) * 2016-05-06 2023-05-09 株式会社Ntt都科摩 终端、无线通信方法、基站及系统
US10367677B2 (en) * 2016-05-13 2019-07-30 Telefonaktiebolaget Lm Ericsson (Publ) Network architecture, methods, and devices for a wireless communications network
US10750410B2 (en) * 2016-09-30 2020-08-18 Huawei Technologies Co., Ltd. Ultra reliable low latency connection support in radio access networks
US10887923B2 (en) * 2016-11-04 2021-01-05 Kyocera Corporation Methods for triggering a base station to transmit a MAC message
CN108282448A (zh) * 2017-01-06 2018-07-13 华为技术有限公司 多链接通信方法、设备和终端
US11006331B2 (en) * 2017-03-24 2021-05-11 Htc Corporation Device and method of handling pre-allocated uplink grant
US10568129B2 (en) * 2017-06-15 2020-02-18 Ofinno, Llc Grant free configuration
US11363569B2 (en) * 2017-06-15 2022-06-14 Samsung Electronics Co., Ltd. Logical channel mapping with packet duplication
EP3662708B1 (en) * 2017-08-04 2024-12-25 Lenovo (Beijing) Limited Grant-free resource allocation

Also Published As

Publication number Publication date
CN116056228A (zh) 2023-05-02
EP4297514A1 (en) 2023-12-27
US20210126753A1 (en) 2021-04-29
JP2023052952A (ja) 2023-04-12
US11502794B2 (en) 2022-11-15
US20230023578A1 (en) 2023-01-26
US12160380B2 (en) 2024-12-03
CN116056231A (zh) 2023-05-02
BR112020008324A2 (pt) 2020-10-20
EP3713307A4 (en) 2021-08-18
JPWO2019098059A1 (ja) 2020-10-01
CN116056230A (zh) 2023-05-02
CN116056229A (zh) 2023-05-02
CN111345073A (zh) 2020-06-26
JP2025032314A (ja) 2025-03-11
RU2020119004A3 (es) 2022-04-28
RU2020119004A (ru) 2021-12-15
JP7607685B2 (ja) 2024-12-27
EP3713307A1 (en) 2020-09-23
WO2019098059A1 (ja) 2019-05-23
US20230336290A1 (en) 2023-10-19

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