BR112021019463A2 - Método, dispositivo terminal, e, meio de armazenamento legível por computador - Google Patents

Método, dispositivo terminal, e, meio de armazenamento legível por computador

Info

Publication number
BR112021019463A2
BR112021019463A2 BR112021019463A BR112021019463A BR112021019463A2 BR 112021019463 A2 BR112021019463 A2 BR 112021019463A2 BR 112021019463 A BR112021019463 A BR 112021019463A BR 112021019463 A BR112021019463 A BR 112021019463A BR 112021019463 A2 BR112021019463 A2 BR 112021019463A2
Authority
BR
Brazil
Prior art keywords
terminal device
computer
storage medium
readable storage
physical
Prior art date
Application number
BR112021019463A
Other languages
English (en)
Inventor
Andreas Nilsson
Fredrik Athley
Roy Timo
Sven Petersson
Xinlin Zhang
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BR112021019463A2 publication Critical patent/BR112021019463A2/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0478—Special codebook structures directed to feedback optimisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0404—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas the mobile station comprising multiple antennas, e.g. to provide uplink diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
    • H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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
    • H04W52/365—Power headroom reporting
    • 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
    • H04W52/30—TPC using constraints in the total amount of available transmission power
    • H04W52/36—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
    • H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04W52/26—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service]
    • H04W52/262—TPC being performed according to specific parameters using transmission rate or quality of service QoS [Quality of Service] taking into account adaptive modulation and coding [AMC] scheme
    • 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
    • H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transmitters (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Selective Calling Equipment (AREA)

Abstract

método, dispositivo terminal, e, meio de armazenamento legível por computador. são providos mecanismos para transmissão de sinais de referência. um método é realizado por um dispositivo terminal. o dispositivo terminal compreende pelo menos duas portas de antena física. cada porta de antena física é alimentada por seu próprio amplificador de potência. o método compreende transmitir, apenas na porta física da antena que é alimentada pelo amplificador de potência configurado para a maior potência de saída total de todos os amplificadores de potência, tantos sinais de referência de enlace ascendente quanto portas físicas de antena no total.
BR112021019463A 2019-04-29 2019-04-29 Método, dispositivo terminal, e, meio de armazenamento legível por computador BR112021019463A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2019/060944 WO2020221423A1 (en) 2019-04-29 2019-04-29 Transmission of reference signals from a terminal device

Publications (1)

Publication Number Publication Date
BR112021019463A2 true BR112021019463A2 (pt) 2021-11-30

Family

ID=66349547

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112021019463A BR112021019463A2 (pt) 2019-04-29 2019-04-29 Método, dispositivo terminal, e, meio de armazenamento legível por computador

Country Status (5)

Country Link
US (1) US11012129B2 (pt)
EP (1) EP3963738A1 (pt)
AU (1) AU2019443559B2 (pt)
BR (1) BR112021019463A2 (pt)
WO (1) WO2020221423A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3052397C (en) * 2017-03-31 2022-01-11 Lg Electronics Inc. Method for transmitting uplink data in wireless communication system and apparatus therefor
EP3928437A1 (en) * 2019-02-19 2021-12-29 Telefonaktiebolaget LM Ericsson (publ) Transmission of reference signals from a terminal device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009134357A1 (en) * 2008-04-29 2009-11-05 Nortel Networks Limited Improved performance for a multiple antenna beamforming cellular network
US8548406B2 (en) * 2009-05-05 2013-10-01 Lg Electronics Inc. Method of transmitting reference signal in multiple antenna system
JP5608178B2 (ja) * 2010-01-14 2014-10-15 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 端末装置、通信装置及び通信方法
WO2011145890A2 (ko) * 2010-05-20 2011-11-24 엘지전자 주식회사 상향링크 전력제어 방법 및 사용자기기
EP3264627B1 (en) 2013-06-04 2019-11-06 Huawei Technologies Co., Ltd. Method for transmitting 4-antenna precoding matrix, user equipment and base station
EP3219021A1 (en) 2014-11-14 2017-09-20 Interdigital Patent Holdings, Inc. Antenna virtualization in two-dimensional antenna array
WO2018107068A1 (en) 2016-12-09 2018-06-14 Qualcomm Incorporated Uplink transmit diversity and precoding
US10389426B2 (en) 2017-04-25 2019-08-20 Samsung Electronics Co., Ltd. Method and apparatus for higher rank CSI reporting in advanced wireless communication systems
WO2019004886A1 (en) 2017-06-29 2019-01-03 Telefonaktiebolaget Lm Ericsson (Publ) CSI FEEDBACK IN SPACE SPACE WITH HIGH SPACE RESOLUTION
CN108111283B (zh) 2017-11-03 2021-12-14 中兴通讯股份有限公司 一种参考信号的传输方法及设备
US10952151B2 (en) * 2018-04-19 2021-03-16 Samsung Electronics Co., Ltd. Uplink power control for advanced wireless communication systems
US11184129B2 (en) * 2018-09-21 2021-11-23 Qualcomm Incorporated Sounding reference signal configurations to support uplink transmissions with cyclic delay diversity

Also Published As

Publication number Publication date
AU2019443559B2 (en) 2023-06-01
EP3963738A1 (en) 2022-03-09
US20200343947A1 (en) 2020-10-29
AU2019443559A1 (en) 2021-10-14
US11012129B2 (en) 2021-05-18
WO2020221423A1 (en) 2020-11-05

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