BR112018071366A2 - aparelho terminal, aparelho de estação-base e método de comunicação - Google Patents

aparelho terminal, aparelho de estação-base e método de comunicação

Info

Publication number
BR112018071366A2
BR112018071366A2 BR112018071366A BR112018071366A BR112018071366A2 BR 112018071366 A2 BR112018071366 A2 BR 112018071366A2 BR 112018071366 A BR112018071366 A BR 112018071366A BR 112018071366 A BR112018071366 A BR 112018071366A BR 112018071366 A2 BR112018071366 A2 BR 112018071366A2
Authority
BR
Brazil
Prior art keywords
random access
transmission
information item
base station
communication method
Prior art date
Application number
BR112018071366A
Other languages
English (en)
Other versions
BR112018071366A8 (pt
Inventor
Liu Liqing
Suzuki Shoichi
Aiba Tatsushi
YOSHIMURA Tomoki
Ohuchi Wataru
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of BR112018071366A2 publication Critical patent/BR112018071366A2/pt
Publication of BR112018071366A8 publication Critical patent/BR112018071366A8/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • 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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/146—Uplink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/18—TPC being performed according to specific parameters
    • H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
    • H04W52/247—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters where the output power of a terminal is based on a path parameter sent by another terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04—TPC
    • H04W52/38—TPC being performed in particular situations
    • H04W52/50—TPC being performed in particular situations at the moment of starting communication in a multiple access environment
    • 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

Landscapes

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

Abstract

a presente invenção refere-se a um aparelho terminal (1) capaz de executar com eficiência um procedimento de acesso aleatório que inclui uma unidade de processamento de camada de controle de acesso ao meio (15) para iniciar um procedimento de acesso aleatório com base em um comando de pdcch, uma unidade de transmissão (10) para transmitir um preâmbulo de acesso aleatório através do uso de um canal físico de acesso aleatório (prach), e um controlador de potência de transmissão (17) para ajustar a potência de transmissão para transmitir o preâmbulo de acesso aleatório com base em um contador de transmissão, sendo que o contador de transmissão é configurado com base em pelo menos um primeiro item de informação e um segundo item de informação incluídos no comando de pdcch, sendo o primeiro item de informação usado para indicar o preâmbulo de acesso aleatório e o segundo item de informação usado para selecionar um recurso do prach.
BR112018071366A 2016-04-20 2017-02-28 Aparelho terminal, aparelho de estação-base e método de comunicação BR112018071366A8 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2016084268 2016-04-20
JP2017183309 2017-10-26

Publications (2)

Publication Number Publication Date
BR112018071366A2 true BR112018071366A2 (pt) 2019-02-05
BR112018071366A8 BR112018071366A8 (pt) 2022-06-28

Family

ID=60116039

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018071366A BR112018071366A8 (pt) 2016-04-20 2017-02-28 Aparelho terminal, aparelho de estação-base e método de comunicação

Country Status (6)

Country Link
US (1) US10708949B2 (pt)
EP (1) EP3448094B1 (pt)
JP (1) JP6763016B2 (pt)
CN (1) CN108886752B (pt)
BR (1) BR112018071366A8 (pt)
WO (1) WO2017183309A1 (pt)

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EP3703293B1 (en) * 2017-11-15 2022-03-30 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Method for determining non-contention random access resource, network device and terminal device
CN110380837B (zh) * 2018-02-24 2020-12-25 华为技术有限公司 非竞争随机接入的方法和装置
US11013036B2 (en) * 2018-06-14 2021-05-18 Samsung Electronics Co., Ltd. Method and apparatus on enhancements of NR random access for unlicensed operations
KR102656607B1 (ko) * 2018-09-07 2024-04-12 삼성전자주식회사 비면허 대역에서의 다중 채널을 이용한 통신 방법 및 장치
CN111294973B (zh) * 2019-01-25 2022-05-27 北京紫光展锐通信技术有限公司 随机接入方法及装置、存储介质、用户终端
WO2020166103A1 (ja) * 2019-02-13 2020-08-20 Kddi株式会社 ランダムアクセス手順を実行する端末装置、基地局装置、制御方法、及びプログラム
BR112021015949A2 (pt) * 2019-03-27 2021-10-05 Panasonic Intellectual Property Corporation Of America Terminal e método de transmissão

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CN102724746A (zh) * 2011-03-29 2012-10-10 中兴通讯股份有限公司 随机接入过程中前导码发送功率的控制、确定方法及系统
CN102932951B (zh) * 2011-08-12 2016-06-08 上海贝尔股份有限公司 用于载波聚合场景下的Scell随机接入方法
CN103179654B (zh) * 2011-12-26 2017-07-18 中兴通讯股份有限公司 Prach的发射功率的确定方法及装置
EP3937551A3 (en) 2012-01-25 2022-02-09 Comcast Cable Communications, LLC Random access channel in multicarrier wireless communications with timing advance groups
US10206181B2 (en) * 2012-01-30 2019-02-12 Texas Instruments Incorporated Simultaneous transmission in multiple timing advance groups
US10051665B2 (en) 2013-07-16 2018-08-14 Lg Electronics Inc. Method and apparatus for performing random access procedure in wireless communication system
US10813131B2 (en) * 2013-07-30 2020-10-20 Innovative Sonic Corporation Method and apparatus for improving random access preamble transmission in a wireless communication system
CN110337143B (zh) * 2013-08-13 2021-10-15 华为技术有限公司 一种发送前导序列的方法及用户设备
RU2634712C1 (ru) * 2013-11-19 2017-11-03 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ для выполнения процедуры произвольного доступа
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JP2019110351A (ja) * 2016-04-20 2019-07-04 シャープ株式会社 端末装置、基地局装置、通信方法、および、集積回路

Also Published As

Publication number Publication date
CN108886752A (zh) 2018-11-23
JPWO2017183309A1 (ja) 2019-02-21
EP3448094A4 (en) 2019-10-30
WO2017183309A1 (ja) 2017-10-26
US20190132871A1 (en) 2019-05-02
US10708949B2 (en) 2020-07-07
EP3448094B1 (en) 2021-08-11
CN108886752B (zh) 2022-02-01
EP3448094A1 (en) 2019-02-27
JP6763016B2 (ja) 2020-09-30
BR112018071366A8 (pt) 2022-06-28

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B25A Requested transfer of rights approved

Owner name: FG INNOVATION COMPANY LIMITED (CN)

B10A Cessation: cessation confirmed