BRPI0813769A2 - Método para uma estação base para sinalização de multiusuário de entrada-múltipla-saída-múltipla, estação base de rádio em um sistema de comunicação, e, terminal móvel - Google Patents

Método para uma estação base para sinalização de multiusuário de entrada-múltipla-saída-múltipla, estação base de rádio em um sistema de comunicação, e, terminal móvel

Info

Publication number
BRPI0813769A2
BRPI0813769A2 BRPI0813769-2A2A BRPI0813769A BRPI0813769A2 BR PI0813769 A2 BRPI0813769 A2 BR PI0813769A2 BR PI0813769 A BRPI0813769 A BR PI0813769A BR PI0813769 A2 BRPI0813769 A2 BR PI0813769A2
Authority
BR
Brazil
Prior art keywords
multiuser
signaling
input
mobile terminal
communication system
Prior art date
Application number
BRPI0813769-2A2A
Other languages
English (en)
Inventor
Geroge Joengren
Bo Goeransson
Lei Wan
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40186199&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BRPI0813769(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of BRPI0813769A2 publication Critical patent/BRPI0813769A2/pt
Publication of BRPI0813769B1 publication Critical patent/BRPI0813769B1/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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
    • H04B7/0689—Hybrid systems, i.e. switching and simultaneous transmission using different transmission schemes, at least one of them being a diversity transmission scheme
    • 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
    • H04B7/0452—Multi-user MIMO systems
    • 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
    • H04B7/0413—MIMO systems
    • H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
    • H04B7/0486—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking channel rank into account
    • 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
    • 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
    • H04W52/36—Transmission power control [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
    • 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]
    • H04W52/54—Signalisation aspects of the TPC commands, e.g. frame structure
    • 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
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI0813769A 2007-06-27 2008-04-03 método para uma estação base para sinalização de multiusuário de entrada-múltipla-saída-múltipla, estação base de rádio em um sistema de comunicação, e, terminal móvel BRPI0813769B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0701582 2007-06-27
PCT/SE2008/050383 WO2009002251A2 (en) 2007-06-27 2008-04-03 Mode switching between su-mimo and mu-mimo

Publications (2)

Publication Number Publication Date
BRPI0813769A2 true BRPI0813769A2 (pt) 2014-12-30
BRPI0813769B1 BRPI0813769B1 (pt) 2020-02-04

Family

ID=40186199

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0813769A BRPI0813769B1 (pt) 2007-06-27 2008-04-03 método para uma estação base para sinalização de multiusuário de entrada-múltipla-saída-múltipla, estação base de rádio em um sistema de comunicação, e, terminal móvel

Country Status (10)

Country Link
US (6) US8989290B2 (pt)
EP (4) EP2903178B1 (pt)
JP (2) JP4914935B2 (pt)
CN (1) CN101743699B (pt)
BR (1) BRPI0813769B1 (pt)
CA (1) CA2692109C (pt)
ES (4) ES2744884T3 (pt)
HU (2) HUE057563T2 (pt)
PL (2) PL3570455T3 (pt)
WO (1) WO2009002251A2 (pt)

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Also Published As

Publication number Publication date
WO2009002251A2 (en) 2008-12-31
US20180331734A1 (en) 2018-11-15
US20220255593A1 (en) 2022-08-11
US10673497B2 (en) 2020-06-02
ES2899422T3 (es) 2022-03-11
JP5514235B2 (ja) 2014-06-04
EP3944512B1 (en) 2024-06-05
US20200287601A1 (en) 2020-09-10
EP2163004B1 (en) 2015-02-25
JP2012157001A (ja) 2012-08-16
ES2536765T3 (es) 2015-05-28
JP2010531615A (ja) 2010-09-24
CN101743699B (zh) 2014-05-28
US20100322330A1 (en) 2010-12-23
US20150171943A1 (en) 2015-06-18
BRPI0813769B1 (pt) 2020-02-04
ES2744884T3 (es) 2020-02-26
EP2163004A2 (en) 2010-03-17
EP2903178B1 (en) 2019-06-19
CA2692109A1 (en) 2008-12-31
PL3570455T3 (pl) 2022-02-07
US10056953B2 (en) 2018-08-21
WO2009002251A3 (en) 2009-02-26
EP2163004A4 (en) 2014-01-29
HUE057563T2 (hu) 2022-05-28
EP2903178A1 (en) 2015-08-05
HK1212519A1 (en) 2016-06-10
US9698879B2 (en) 2017-07-04
US11323159B2 (en) 2022-05-03
ES2991318T3 (es) 2024-12-03
CN101743699A (zh) 2010-06-16
CA2692109C (en) 2016-11-29
HUE046193T2 (hu) 2020-02-28
JP4914935B2 (ja) 2012-04-11
EP3944512A1 (en) 2022-01-26
US20170272135A1 (en) 2017-09-21
US8989290B2 (en) 2015-03-24
PL2903178T3 (pl) 2019-12-31
EP3570455A1 (en) 2019-11-20
EP3570455B1 (en) 2021-09-22

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Owner name: UNWIRED PLANET, LLC (US)

B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
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