AR073886A1 - Metodo y aparato para una unidad de transmision/recepcion inalambrica para una transmision de senal especifica de pilote y unidad de transmision/recepcion inalambrica para intensificar la potencia de senal especifica de pilote. - Google Patents

Metodo y aparato para una unidad de transmision/recepcion inalambrica para una transmision de senal especifica de pilote y unidad de transmision/recepcion inalambrica para intensificar la potencia de senal especifica de pilote.

Info

Publication number
AR073886A1
AR073886A1 ARP090103986A ARP090103986A AR073886A1 AR 073886 A1 AR073886 A1 AR 073886A1 AR P090103986 A ARP090103986 A AR P090103986A AR P090103986 A ARP090103986 A AR P090103986A AR 073886 A1 AR073886 A1 AR 073886A1
Authority
AR
Argentina
Prior art keywords
reception unit
pilot signal
wireless transmission
specific pilot
transmission
Prior art date
Application number
ARP090103986A
Other languages
English (en)
Inventor
Philip J Pietraski
Sung-Hyuk Shin
Kyle Jung-Lin Pan
Guodong Zhang
Erdem Bala
Original Assignee
Interdigital Patent Holdings
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 Interdigital Patent Holdings filed Critical Interdigital Patent Holdings
Publication of AR073886A1 publication Critical patent/AR073886A1/es

Links

Classifications

    • 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • 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
    • 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
    • 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
    • H04L25/0228—Channel estimation using sounding signals with direct estimation from 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
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0014—Three-dimensional division
    • H04L5/0016—Time-frequency-code
    • 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
    • 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
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling

Abstract

Se describen un método y aparato para proveer una estimacion de canal mejorada para unidades inalámbricas de trasmision/recepcion (WTRUs) que requieren una estimacion de canal mejorada (por ejemplo, WTRUs de borde de célula), mediante la asignacion de elementos de recursos (Res) adicionales como senales piloto para mejorar la estimacion de canal. Estos REs adicionales pueden ser asignados para ser utilizarlos con senales de referencia ampliadas (ERSs).
ARP090103986A 2008-10-16 2009-10-16 Metodo y aparato para una unidad de transmision/recepcion inalambrica para una transmision de senal especifica de pilote y unidad de transmision/recepcion inalambrica para intensificar la potencia de senal especifica de pilote. AR073886A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10597108P 2008-10-16 2008-10-16

Publications (1)

Publication Number Publication Date
AR073886A1 true AR073886A1 (es) 2010-12-09

Family

ID=42045220

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP090103986A AR073886A1 (es) 2008-10-16 2009-10-16 Metodo y aparato para una unidad de transmision/recepcion inalambrica para una transmision de senal especifica de pilote y unidad de transmision/recepcion inalambrica para intensificar la potencia de senal especifica de pilote.

Country Status (9)

Country Link
US (1) US20100097937A1 (es)
EP (1) EP2347551A2 (es)
JP (3) JP2012506213A (es)
KR (4) KR101654406B1 (es)
CN (3) CN104038330B (es)
AR (1) AR073886A1 (es)
IL (1) IL212414A (es)
TW (3) TWI445362B (es)
WO (1) WO2010045288A2 (es)

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Also Published As

Publication number Publication date
TW201524226A (zh) 2015-06-16
TWI491210B (zh) 2015-07-01
WO2010045288A3 (en) 2010-06-17
CN104038315B (zh) 2018-12-11
CN102187630B (zh) 2014-06-25
KR20140133945A (ko) 2014-11-20
US20100097937A1 (en) 2010-04-22
KR101654406B1 (ko) 2016-09-05
WO2010045288A2 (en) 2010-04-22
JP2012506213A (ja) 2012-03-08
TW201134154A (en) 2011-10-01
CN102187630A (zh) 2011-09-14
JP2014187696A (ja) 2014-10-02
IL212414A (en) 2017-04-30
CN104038315A (zh) 2014-09-10
TW201018146A (en) 2010-05-01
TWI445362B (zh) 2014-07-11
JP2017143567A (ja) 2017-08-17
EP2347551A2 (en) 2011-07-27
KR20150029012A (ko) 2015-03-17
KR20110074589A (ko) 2011-06-30
IL212414A0 (en) 2011-06-30
CN104038330A (zh) 2014-09-10
KR20130038394A (ko) 2013-04-17
CN104038330B (zh) 2018-12-14

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