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AR054135A1 - Transmision de datos y de piloto en un sistema de acceso multiple por division de frecuencia cuasi-ortogonal de una sola portadora - Google Patents

Transmision de datos y de piloto en un sistema de acceso multiple por division de frecuencia cuasi-ortogonal de una sola portadora

Info

Publication number
AR054135A1
AR054135A1 ARP060102584A ARP060102584A AR054135A1 AR 054135 A1 AR054135 A1 AR 054135A1 AR P060102584 A ARP060102584 A AR P060102584A AR P060102584 A ARP060102584 A AR P060102584A AR 054135 A1 AR054135 A1 AR 054135A1
Authority
AR
Argentina
Prior art keywords
transmitters
receiver
frequency division
division multiplexing
pilots
Prior art date
Application number
ARP060102584A
Other languages
English (en)
Inventor
Ravi Palanki
Aamond Khandekar
Arak Sutivong
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 AR054135A1 publication Critical patent/AR054135A1/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
    • H04L5/003—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
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • H04L1/1819—Hybrid protocols; Hybrid automatic repeat request [HARQ] with retransmission of additional or different redundancy
    • 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
    • H04L25/0226—Channel estimation using sounding signals sounding signals per se
    • 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
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202—Channel estimation
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0258—Channel estimation using zero-forcing criteria
    • 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
    • H04L5/0023—Time-frequency-space
    • 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
    • H04L25/022—Channel estimation of frequency response
    • 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
    • H04L25/024—Channel estimation channel estimation algorithms
    • H04L25/0256—Channel estimation using minimum mean square error criteria

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)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

En un sistema de acceso multiple de division de frecuencia de una sola portadora (SC-FDMA) que utiliza FDMA intercalado (IFDMA) o FDMA localizado multiples transmisores pueden transmitir sus pilotos utilizando multiplexion por division de tiempo (TDM), multiplexion por division de codigo (CDM) multiplexion por division de frecuencia intercalada (IFDM), multiplexion por division de frecuencia localizada (LFDM). Los pilots de estos transmisores son entonces ortogonales uno a otro. Un receptor realiza la demultiplexion complementarias para los pilotos enviados por los transmisores. El receptor puede derivar una estimacion del canal para cada transmisor utilizando una técnica MMSE o una técnica de mínimos cuadrados. El receptor puede recibir transmisiones de datos superpuestos enviados sobre el mismo bloque de tiempo-frecuencia por los multiples transmisores y puede llevar a cabo el procesamiento especial de receptor con matrices de filtro espaciales para separar estas transmisiones de datos. El receptor puede derivar los matrices de filtro espacial en base a las estimaciones del canal para los trasmisores y utilizando zero-forcing, MMSE o la técnica de combinacion por máxima relacion.
ARP060102584A 2005-06-16 2006-06-16 Transmision de datos y de piloto en un sistema de acceso multiple por division de frecuencia cuasi-ortogonal de una sola portadora AR054135A1 (es)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US69170105P 2005-06-16 2005-06-16
US70203305P 2005-07-22 2005-07-22
US71036605P 2005-08-22 2005-08-22
US11/242,115 US8730877B2 (en) 2005-06-16 2005-09-30 Pilot and data transmission in a quasi-orthogonal single-carrier frequency division multiple access system

Publications (1)

Publication Number Publication Date
AR054135A1 true AR054135A1 (es) 2007-06-06

Family

ID=37054750

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP060102584A AR054135A1 (es) 2005-06-16 2006-06-16 Transmision de datos y de piloto en un sistema de acceso multiple por division de frecuencia cuasi-ortogonal de una sola portadora

Country Status (15)

Country Link
US (1) US8730877B2 (es)
EP (2) EP2252027A1 (es)
JP (4) JP4723640B2 (es)
KR (2) KR100947799B1 (es)
CN (1) CN101243667B (es)
AR (1) AR054135A1 (es)
AU (2) AU2006259598A1 (es)
BR (1) BRPI0611789A2 (es)
CA (1) CA2612361C (es)
IL (1) IL188125A (es)
MX (1) MX2007016006A (es)
MY (1) MY143641A (es)
SG (1) SG165376A1 (es)
TW (2) TWI359593B (es)
WO (1) WO2006138206A1 (es)

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