AR063729A1 - Sistema y metodos para codificar informes cqi mimo wcfma - Google Patents

Sistema y metodos para codificar informes cqi mimo wcfma

Info

Publication number
AR063729A1
AR063729A1 ARP070104818A ARP070104818A AR063729A1 AR 063729 A1 AR063729 A1 AR 063729A1 AR P070104818 A ARP070104818 A AR P070104818A AR P070104818 A ARP070104818 A AR P070104818A AR 063729 A1 AR063729 A1 AR 063729A1
Authority
AR
Argentina
Prior art keywords
cqi
awi
wcfma
codify
reports
Prior art date
Application number
ARP070104818A
Other languages
English (en)
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
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of AR063729A1 publication Critical patent/AR063729A1/es

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
    • H04B7/0413—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
    • H04B7/0473—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking constraints in layer or codeword to antenna mapping into account
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • 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
    • H04L1/0001—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
    • H04L1/0028—Formatting
    • H04L1/0031—Multiple signaling transmission
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072—Error control for data other than payload data, e.g. control data
    • H04L1/0073—Special arrangements for feedback channel
    • 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
    • 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

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)

Abstract

Un método de codificación en bloque y un sistema para la mejora de confiabilidad de la información de los Indicadores de Canal de Calidad (CQI) y los Indicadores de Ponderación de Antena (AWI). Una terminal de usuario en primer lugar genera CQI de 8 bits y AWI de 2 bits. Un generador de palabra de código produce una palabra de código que responde a estos 1 bits CQI/AWI utilizando un libro de código o una matriz generadora de un código (20, 10, 6) tiene una distancia Hamming mínima de 6. La palabra codificada es transmitida a un receptor para la decodificación utilización un libro de código (20, 10, 6) idéntico.
ARP070104818A 2006-10-31 2007-10-30 Sistema y metodos para codificar informes cqi mimo wcfma AR063729A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US86368806P 2006-10-31 2006-10-31
US11/862,601 US8619742B2 (en) 2006-10-31 2007-09-27 System and method for coding WCDMA MIMO CQI reports

Publications (1)

Publication Number Publication Date
AR063729A1 true AR063729A1 (es) 2009-02-11

Family

ID=39330018

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP070104818A AR063729A1 (es) 2006-10-31 2007-10-30 Sistema y metodos para codificar informes cqi mimo wcfma

Country Status (9)

Country Link
US (3) US8619742B2 (es)
EP (1) EP2078366B1 (es)
CN (2) CN103701557B (es)
AR (1) AR063729A1 (es)
CA (1) CA2667718C (es)
ES (1) ES2539244T3 (es)
PL (1) PL2078366T3 (es)
PT (1) PT2078366E (es)
WO (1) WO2008054304A2 (es)

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Also Published As

Publication number Publication date
US20140126663A1 (en) 2014-05-08
US8619742B2 (en) 2013-12-31
ES2539244T3 (es) 2015-06-29
US10985814B2 (en) 2021-04-20
WO2008054304A3 (en) 2008-06-05
CN101573905B (zh) 2013-10-30
CA2667718A1 (en) 2008-05-08
PL2078366T3 (pl) 2015-08-31
WO2008054304A2 (en) 2008-05-08
US10218419B2 (en) 2019-02-26
EP2078366B1 (en) 2015-04-01
CN103701557A (zh) 2014-04-02
CN103701557B (zh) 2020-02-11
PT2078366E (pt) 2015-08-21
US20080101321A1 (en) 2008-05-01
CA2667718C (en) 2017-02-14
EP2078366A4 (en) 2012-10-24
CN101573905A (zh) 2009-11-04
US20190149204A1 (en) 2019-05-16
EP2078366A2 (en) 2009-07-15

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