BR112017015208A2 - ?métodos para auxiliar na seleção de precodificador para comunicação sem fio com um nó de rádio, para transmitir dados para um nó de rádio, para realizar seleção de precodificador para comunicação sem fio com um dispositivo sem fio (108) e para receber dados a partir de um dispositivo sem fio (108), dispositivo sem fio, nó de rádio, programa de computador e, portador? - Google Patents

?métodos para auxiliar na seleção de precodificador para comunicação sem fio com um nó de rádio, para transmitir dados para um nó de rádio, para realizar seleção de precodificador para comunicação sem fio com um dispositivo sem fio (108) e para receber dados a partir de um dispositivo sem fio (108), dispositivo sem fio, nó de rádio, programa de computador e, portador?

Info

Publication number
BR112017015208A2
BR112017015208A2 BR112017015208A BR112017015208A BR112017015208A2 BR 112017015208 A2 BR112017015208 A2 BR 112017015208A2 BR 112017015208 A BR112017015208 A BR 112017015208A BR 112017015208 A BR112017015208 A BR 112017015208A BR 112017015208 A2 BR112017015208 A2 BR 112017015208A2
Authority
BR
Brazil
Prior art keywords
wireless device
radio node
precoder
selection
wireless communication
Prior art date
Application number
BR112017015208A
Other languages
English (en)
Inventor
Andersson Håkan
Furuskog Johan
Frenne Mattias
Parkvall Stefan
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 BR112017015208A2 publication Critical patent/BR112017015208A2/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
    • 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
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0231—Traffic management, e.g. flow control or congestion control based on communication conditions
    • H04W28/0236—Traffic management, e.g. flow control or congestion control based on communication conditions radio quality, e.g. interference, losses or delay
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • 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
    • 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
    • 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
    • H04B7/0621—Feedback content
    • H04B7/0628—Diversity capabilities
    • 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

Landscapes

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

Abstract

são descritos um dispositivo sem fio 108 e um método no mesmo para auxiliar na seleção do precodificador para comunicação sem fio com um nó de rádio (rn) 106, e um rn 106 para realizar seleção de precodificador para comunicação sem fio com um dispositivo sem fio 108. o dispositivo sem fio é configurado com um conjunto de precodificadores. o dispositivo sem fio determina um subconjunto de precodificadores dentre o conjunto de precodificadores; e transmite, para o rn, pelo menos um sinal de referência de sondagem (srs) precodificado com um respectivo pelo menos um precodificador compreendido no subconjunto. o rn recebe, a partir do dispositivo sem fio, pelo menos um srs precodificado com um respectivo pelo menos um precodificador compreendido em um subconjunto de precodificadores; e transmite, para o dispositivo sem fio, um sinal indicativo de um precodificador selecionado para ser usado para uma transmissão para o rn, em que o precodificador selecionado é indiretamente selecionado com base no pelo menos um srs recebido.
BR112017015208A 2015-01-15 2015-01-15 ?métodos para auxiliar na seleção de precodificador para comunicação sem fio com um nó de rádio, para transmitir dados para um nó de rádio, para realizar seleção de precodificador para comunicação sem fio com um dispositivo sem fio (108) e para receber dados a partir de um dispositivo sem fio (108), dispositivo sem fio, nó de rádio, programa de computador e, portador? BR112017015208A2 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2015/050034 WO2016114696A1 (en) 2015-01-15 2015-01-15 A wireless device, a radio node, and methods therein

Publications (1)

Publication Number Publication Date
BR112017015208A2 true BR112017015208A2 (pt) 2018-03-13

Family

ID=52589741

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112017015208A BR112017015208A2 (pt) 2015-01-15 2015-01-15 ?métodos para auxiliar na seleção de precodificador para comunicação sem fio com um nó de rádio, para transmitir dados para um nó de rádio, para realizar seleção de precodificador para comunicação sem fio com um dispositivo sem fio (108) e para receber dados a partir de um dispositivo sem fio (108), dispositivo sem fio, nó de rádio, programa de computador e, portador?

Country Status (8)

Country Link
US (2) US11196465B2 (pt)
EP (1) EP3248299A1 (pt)
JP (1) JP6517937B2 (pt)
CN (1) CN107113042B (pt)
AU (1) AU2015377278B2 (pt)
BR (1) BR112017015208A2 (pt)
RU (1) RU2662734C1 (pt)
WO (1) WO2016114696A1 (pt)

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Also Published As

Publication number Publication date
AU2015377278B2 (en) 2019-05-02
RU2662734C1 (ru) 2018-07-30
CN107113042B (zh) 2020-11-17
WO2016114696A1 (en) 2016-07-21
JP2018509796A (ja) 2018-04-05
US11196465B2 (en) 2021-12-07
EP3248299A1 (en) 2017-11-29
AU2015377278A1 (en) 2017-08-17
CN107113042A (zh) 2017-08-29
JP6517937B2 (ja) 2019-05-22
US20170201300A1 (en) 2017-07-13
US20220060227A1 (en) 2022-02-24

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B15K Others concerning applications: alteration of classification

Free format text: AS CLASSIFICACOES ANTERIORES ERAM: H04B 7/04 , H04W 72/04

Ipc: H04B 7/0456 (2017.01), H04L 5/00 (2006.01), H04B 7

B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements