ES2287282T3 - Procedimiento y aparato para asignar recursos en un sistema de comuni cacion de multiples entradas y salidas. - Google Patents

Procedimiento y aparato para asignar recursos en un sistema de comuni cacion de multiples entradas y salidas. Download PDF

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Publication number
ES2287282T3
ES2287282T3 ES02737005T ES02737005T ES2287282T3 ES 2287282 T3 ES2287282 T3 ES 2287282T3 ES 02737005 T ES02737005 T ES 02737005T ES 02737005 T ES02737005 T ES 02737005T ES 2287282 T3 ES2287282 T3 ES 2287282T3
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Spain
Prior art keywords
hypothesis
terminals
terminal
procedure
communition
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
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ES02737005T
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English (en)
Inventor
Jay R Walton
Mark Wallace
Steven J Howard
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Qualcomm Inc
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Qualcomm Inc
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Publication of ES2287282T3 publication Critical patent/ES2287282T3/es
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • 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
    • 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0602—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 antenna switching
    • H04B7/0608—Antenna selection according to transmission parameters
    • H04B7/061—Antenna selection according to transmission parameters using feedback from receiving side
    • 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
    • H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
    • H04L1/0026—Transmission of channel quality indication
    • 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
    • H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06—Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • 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
    • 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
    • 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
    • H04L2025/0335—Arrangements for removing intersymbol interference characterised by the type of transmission
    • H04L2025/03426—Arrangements for removing intersymbol interference characterised by the type of transmission transmission using multiple-input and multiple-output 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
    • H04L25/0204—Channel estimation of multiple channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Radio Transmission System (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

Un procedimiento para planificar la transmisión de datos de enlace descendente hacia una pluralidad de terminales (106) para un sistema (100) de comunicación inalámbrica, comprendiendo el sistema: formar uno o más juegos de terminales para posible transmisión de datos, en el cual cada juego incluye una combinación de uno o más terminales (106) y se corresponden con una hipótesis a evaluar; asignar una pluralidad de antenas (524) de transmisión a uno o más terminales (106) en cada juego; evaluar el rendimiento de cada hipótesis en función de parte de las asignaciones de antena para la hipótesis, en el cual cada hipótesis se evalúa en función de la información del estado del canal, en adelante CSI, para cada terminal (106) en la hipótesis, en el cual la CSI es indicadora de las características del canal entre las antenas (524) de transmisión y el terminal (106) seleccionar una de entre las una o más hipótesis evaluadas en función del rendimiento; y planificar transmisión de datos hasta el o los terminales (106) en la hipótesis seleccionada; y el procedimiento caracterizado por: priorizar la planificación de terminales (106).
ES02737005T 2001-05-16 2002-05-15 Procedimiento y aparato para asignar recursos en un sistema de comuni cacion de multiples entradas y salidas. Expired - Lifetime ES2287282T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/859,345 US6662024B2 (en) 2001-05-16 2001-05-16 Method and apparatus for allocating downlink resources in a multiple-input multiple-output (MIMO) communication system

Publications (1)

Publication Number Publication Date
ES2287282T3 true ES2287282T3 (es) 2007-12-16

Family

ID=25330683

Family Applications (2)

Application Number Title Priority Date Filing Date
ES07011912.8T Expired - Lifetime ES2436766T3 (es) 2001-05-16 2002-05-15 Procedimiento y aparato de asignación de recursos en un sistema de comunicación de múltiples entradas y múltiples salidas (MIMO)
ES02737005T Expired - Lifetime ES2287282T3 (es) 2001-05-16 2002-05-15 Procedimiento y aparato para asignar recursos en un sistema de comuni cacion de multiples entradas y salidas.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
ES07011912.8T Expired - Lifetime ES2436766T3 (es) 2001-05-16 2002-05-15 Procedimiento y aparato de asignación de recursos en un sistema de comunicación de múltiples entradas y múltiples salidas (MIMO)

Country Status (19)

Country Link
US (4) US6662024B2 (es)
EP (2) EP1830509B1 (es)
JP (1) JP4537004B2 (es)
KR (1) KR100938302B1 (es)
CN (1) CN100505607C (es)
AT (1) ATE365405T1 (es)
AU (1) AU2002309974B2 (es)
BR (1) BRPI0209636B1 (es)
CA (1) CA2446877C (es)
DE (1) DE60220783T2 (es)
ES (2) ES2436766T3 (es)
HK (1) HK1065665A1 (es)
IL (2) IL158760A0 (es)
MX (1) MXPA03010414A (es)
NO (1) NO20035072D0 (es)
RU (1) RU2294599C2 (es)
TW (1) TW545074B (es)
UA (1) UA74882C2 (es)
WO (1) WO2002093819A1 (es)

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ATE365405T1 (de) 2007-07-15
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JP4537004B2 (ja) 2010-09-01
HK1065665A1 (en) 2005-02-25
MXPA03010414A (es) 2004-04-02
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US8489107B2 (en) 2013-07-16
US6662024B2 (en) 2003-12-09
US7248879B1 (en) 2007-07-24
DE60220783T2 (de) 2008-03-06
EP1830509B1 (en) 2013-10-09
RU2294599C2 (ru) 2007-02-27
CA2446877C (en) 2013-01-29
CN100505607C (zh) 2009-06-24
TW545074B (en) 2003-08-01
US20110261899A1 (en) 2011-10-27
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