BR112018068505A2 - ajuste de potência de enlace descendente em comunicações sem fio de banda estreita - Google Patents

ajuste de potência de enlace descendente em comunicações sem fio de banda estreita

Info

Publication number
BR112018068505A2
BR112018068505A2 BR112018068505-4A BR112018068505A BR112018068505A2 BR 112018068505 A2 BR112018068505 A2 BR 112018068505A2 BR 112018068505 A BR112018068505 A BR 112018068505A BR 112018068505 A2 BR112018068505 A2 BR 112018068505A2
Authority
BR
Brazil
Prior art keywords
epre
identify
ratio
crs
transmitted
Prior art date
Application number
BR112018068505-4A
Other languages
English (en)
Portuguese (pt)
Inventor
Ali Akbar Fakoorian Seyed
Rico Alvarino Alberto
Chen Wanshi
Gaal Peter
Xu Hao
Feng Wang Xiao
Wang Renqiu
Original Assignee
Qualcomm Incorporated
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 Incorporated filed Critical Qualcomm Incorporated
Publication of BR112018068505A2 publication Critical patent/BR112018068505A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/06—TPC algorithms
    • H04W52/14—Separate analysis of uplink or downlink
    • H04W52/143—Downlink power control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/0224—Channel estimation using sounding signals
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from sounding 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
    • H04L27/2649—Demodulators
    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
    • 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
    • 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
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
    • H04W52/32—TPC of broadcast or control channels
    • H04W52/325—Power control of control or pilot channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
    • H04W52/04—Transmission power control [TPC]
    • H04W52/38—TPC being performed in particular situations
    • H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
    • 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
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Computer Security & Cryptography (AREA)
  • Mobile Radio Communication Systems (AREA)
BR112018068505-4A 2016-03-15 2017-03-03 ajuste de potência de enlace descendente em comunicações sem fio de banda estreita BR112018068505A2 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201662308581P 2016-03-15 2016-03-15
US62/308,581 2016-03-15
US15/447,914 US11057837B2 (en) 2016-03-15 2017-03-02 Downlink power adjustment in narrowband wireless communications
US15/447,914 2017-03-02
PCT/US2017/020776 WO2017160513A1 (en) 2016-03-15 2017-03-03 Downlink power adjustment in narrowband wireless communications

Publications (1)

Publication Number Publication Date
BR112018068505A2 true BR112018068505A2 (pt) 2019-01-22

Family

ID=58361110

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112018068505-4A BR112018068505A2 (pt) 2016-03-15 2017-03-03 ajuste de potência de enlace descendente em comunicações sem fio de banda estreita

Country Status (9)

Country Link
US (1) US11057837B2 (enExample)
EP (1) EP3430760B1 (enExample)
JP (1) JP6961606B2 (enExample)
KR (1) KR102319217B1 (enExample)
CN (1) CN108781153B (enExample)
BR (1) BR112018068505A2 (enExample)
ES (1) ES2893325T3 (enExample)
RU (1) RU2733210C2 (enExample)
WO (1) WO2017160513A1 (enExample)

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CN111586825B (zh) * 2017-08-09 2021-11-16 维沃移动通信有限公司 一种功率控制方法、接收方法、功率分配方法及相关设备
US11218350B2 (en) * 2017-10-09 2022-01-04 Qualcomm Incorporated Downlink demodulation reference signal sharing for short transmission time intervals
CN107959517B (zh) * 2017-11-09 2020-08-25 武汉邮电科学研究院 一种基于大规模天线阵列的无线功率云化的方法及系统
WO2019148433A1 (en) * 2018-02-01 2019-08-08 Qualcomm Incorporated Enhanced four port narrowband reference signal (nrs)
CN110474698B (zh) * 2018-05-11 2022-03-01 中兴通讯股份有限公司 功率比确定方法及装置
CN110708756B (zh) * 2018-07-09 2023-01-31 成都鼎桥通信技术有限公司 基于信道功率的资源分配方法及设备
CN111224698B (zh) 2018-11-23 2021-03-26 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
WO2020199066A1 (zh) * 2019-03-30 2020-10-08 华为技术有限公司 功率控制方法及相关装置
CN112153738B (zh) * 2019-06-26 2024-09-10 中国移动通信有限公司研究院 一种配置方法、装置、网络侧设备及计算机可读存储介质
US11632751B2 (en) * 2020-01-31 2023-04-18 Qualcomm Incorporated Determining an energy per resource element for a symbol including a cell-specific reference signal
CN111901280B (zh) * 2020-02-20 2024-12-06 中兴通讯股份有限公司 调制编码策略、功率配置方法、装置、设备和存储介质
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WO2021228349A1 (en) 2020-05-11 2021-11-18 Telefonaktiebolaget Lm Ericsson (Publ) Efficient prach scheduling
CN115668809B (zh) * 2020-06-19 2025-05-16 联想(北京)有限公司 用于nbiot的下行链路功率分配
WO2022086426A1 (en) * 2020-10-23 2022-04-28 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for downlink power allocation for 16 qam modulation scheme in nb-iot system
US11617184B2 (en) * 2021-01-04 2023-03-28 Qualcomm Incorporated Allocation of frequency resources based on narrowband isolated frequencies
CN117651305A (zh) * 2022-09-05 2024-03-05 华为技术有限公司 通信方法及装置

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Also Published As

Publication number Publication date
US11057837B2 (en) 2021-07-06
RU2733210C2 (ru) 2020-09-30
EP3430760A1 (en) 2019-01-23
KR102319217B1 (ko) 2021-10-28
KR20180124044A (ko) 2018-11-20
WO2017160513A1 (en) 2017-09-21
RU2018132449A (ru) 2020-04-15
ES2893325T3 (es) 2022-02-08
RU2018132449A3 (enExample) 2020-07-23
JP6961606B2 (ja) 2021-11-05
CN108781153B (zh) 2021-10-01
US20170273026A1 (en) 2017-09-21
CN108781153A (zh) 2018-11-09
JP2019510414A (ja) 2019-04-11
EP3430760B1 (en) 2021-09-01

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Legal Events

Date Code Title Description
B350 Update of information on the portal [chapter 15.35 patent gazette]
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 03/03/2017, OBSERVADAS AS CONDICOES LEGAIS