BRPI0917268A2 - transmissões coordenadas entre células de uma estação base em um sistema de comunicações sem fio - Google Patents

transmissões coordenadas entre células de uma estação base em um sistema de comunicações sem fio

Info

Publication number
BRPI0917268A2
BRPI0917268A2 BRPI0917268A BRPI0917268A BRPI0917268A2 BR PI0917268 A2 BRPI0917268 A2 BR PI0917268A2 BR PI0917268 A BRPI0917268 A BR PI0917268A BR PI0917268 A BRPI0917268 A BR PI0917268A BR PI0917268 A2 BRPI0917268 A2 BR PI0917268A2
Authority
BR
Brazil
Prior art keywords
cells
base station
wireless communications
communications system
coordinated transmissions
Prior art date
Application number
BRPI0917268A
Other languages
English (en)
Inventor
Amir Farajidana
Durga Prasad Malladi
Jilei Hou
John E Smee
Lin Yang
Navid Hassanpour Ghady
Siddhartha Mallik
Original Assignee
Qualcomm Inc
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 Inc filed Critical Qualcomm Inc
Publication of BRPI0917268A2 publication Critical patent/BRPI0917268A2/pt
Publication of BRPI0917268B1 publication Critical patent/BRPI0917268B1/pt

Links

Classifications

    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • 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
    • H04B7/022—Site diversity; Macro-diversity
    • H04B7/024—Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [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
    • H04B7/0417—Feedback 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
    • H04B7/0491—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas using two or more sectors, i.e. sector 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
    • H04B7/06—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
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • 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
    • H04L25/0204—Channel estimation of multiple channels
    • 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
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
BRPI0917268-8A 2008-08-06 2009-08-06 Aparelho e método de comunicação sem fio para transmissões coordenadas entre células de uma estação base, e memória legível por computador BRPI0917268B1 (pt)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US8653908P 2008-08-06 2008-08-06
US61/086,539 2008-08-06
US12/535,824 2009-08-05
US12/535,824 US8340605B2 (en) 2008-08-06 2009-08-05 Coordinated transmissions between cells of a base station in a wireless communications system
PCT/US2009/052908 WO2010017334A1 (en) 2008-08-06 2009-08-06 Coordinated transmissions between cells of a base station in a wireless communications system

Publications (2)

Publication Number Publication Date
BRPI0917268A2 true BRPI0917268A2 (pt) 2015-11-10
BRPI0917268B1 BRPI0917268B1 (pt) 2020-10-06

Family

ID=41653408

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0917268-8A BRPI0917268B1 (pt) 2008-08-06 2009-08-06 Aparelho e método de comunicação sem fio para transmissões coordenadas entre células de uma estação base, e memória legível por computador

Country Status (11)

Country Link
US (1) US8340605B2 (pt)
EP (1) EP2327168B1 (pt)
JP (1) JP5474968B2 (pt)
KR (1) KR101246140B1 (pt)
CN (2) CN102113234B (pt)
BR (1) BRPI0917268B1 (pt)
CA (1) CA2731098C (pt)
ES (1) ES2526553T3 (pt)
RU (1) RU2479129C2 (pt)
TW (1) TWI401902B (pt)
WO (1) WO2010017334A1 (pt)

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Also Published As

Publication number Publication date
TWI401902B (zh) 2013-07-11
ES2526553T3 (es) 2015-01-13
KR20110039491A (ko) 2011-04-18
CA2731098C (en) 2014-11-04
JP5474968B2 (ja) 2014-04-16
CA2731098A1 (en) 2010-02-11
CN103647589B (zh) 2016-12-07
US20100035600A1 (en) 2010-02-11
KR101246140B1 (ko) 2013-03-22
JP2011530884A (ja) 2011-12-22
EP2327168A1 (en) 2011-06-01
CN102113234A (zh) 2011-06-29
CN103647589A (zh) 2014-03-19
RU2479129C2 (ru) 2013-04-10
US8340605B2 (en) 2012-12-25
WO2010017334A1 (en) 2010-02-11
CN102113234B (zh) 2013-12-25
TW201021453A (en) 2010-06-01
BRPI0917268B1 (pt) 2020-10-06
EP2327168B1 (en) 2014-11-19
RU2011108268A (ru) 2012-09-20

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