BRPI0519541A2 - salto restrito em sistemas de comunicaÇço sem fio - Google Patents

salto restrito em sistemas de comunicaÇço sem fio

Info

Publication number
BRPI0519541A2
BRPI0519541A2 BRPI0519541-1A BRPI0519541A BRPI0519541A2 BR PI0519541 A2 BRPI0519541 A2 BR PI0519541A2 BR PI0519541 A BRPI0519541 A BR PI0519541A BR PI0519541 A2 BRPI0519541 A2 BR PI0519541A2
Authority
BR
Brazil
Prior art keywords
subband
wireless communication
communication systems
transmission
jump
Prior art date
Application number
BRPI0519541-1A
Other languages
English (en)
Inventor
Aamod Khandekar
Avneesh Agrawal
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 BRPI0519541A2 publication Critical patent/BRPI0519541A2/pt

Links

Classifications

    • 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
    • H04B1/713—Spread spectrum techniques using frequency hopping
    • 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
    • H04B1/7097—Interference-related aspects
    • H04B1/711—Interference-related aspects the interference being multi-path interference
    • H04B1/7115—Constructive combining of multi-path signals, i.e. RAKE receivers
    • 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
    • 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
    • H04L1/0029—Reduction of the amount of signalling, e.g. retention of useful signalling or differential signalling
    • 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
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0037—Inter-user or inter-terminal allocation
    • H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
    • 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
    • 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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057—Physical resource allocation for CQI
    • 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
    • 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
    • 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
    • H04L25/023—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols
    • H04L25/0232—Channel estimation using sounding signals with direct estimation from sounding signals with extension to other symbols by interpolation between 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

SALTO RESTRITO EM SISTEMAS DE COMUNICAÇçO SEM FIO. As modalidades descritas proporcionam alocação de recursos para uma transmissão para um dispositivo sem fio. A banda de freqúências é particionada em pelo menos duas sub-bandas contíguas. É efetuada uma determinação sobre se é desejável a transmissão através de uma única sub-banda ou através de mais de uma sub-banda. A transmissão é designada para ocorrer ou através da sub-banda única ou para operar através de mais de uma sub-banda. Caso a transmissão seja restrita a uma sub-banda, o padrão ou configuração dos saltos é também restrito a subportadoras dentro da sub-banda especifica.
BRPI0519541-1A 2004-12-22 2005-12-22 salto restrito em sistemas de comunicaÇço sem fio BRPI0519541A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63849404P 2004-12-22 2004-12-22
PCT/US2005/047647 WO2006069401A1 (en) 2004-12-22 2005-12-22 Constrained hopping in wireless communication systems

Publications (1)

Publication Number Publication Date
BRPI0519541A2 true BRPI0519541A2 (pt) 2009-02-17

Family

ID=36123142

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0519541-1A BRPI0519541A2 (pt) 2004-12-22 2005-12-22 salto restrito em sistemas de comunicaÇço sem fio

Country Status (14)

Country Link
US (2) US8571132B2 (pt)
EP (1) EP1836818A1 (pt)
JP (3) JP4620130B2 (pt)
KR (1) KR100956042B1 (pt)
CN (1) CN101124795A (pt)
AR (1) AR052443A1 (pt)
AU (1) AU2005318997A1 (pt)
BR (1) BRPI0519541A2 (pt)
CA (1) CA2590629A1 (pt)
IL (1) IL183870A0 (pt)
MX (1) MX2007007743A (pt)
RU (2) RU2374775C2 (pt)
TW (1) TWI383604B (pt)
WO (1) WO2006069401A1 (pt)

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Publication number Publication date
JP2011010334A (ja) 2011-01-13
JP2013153469A (ja) 2013-08-08
RU2374775C2 (ru) 2009-11-27
AR052443A1 (es) 2007-03-21
MX2007007743A (es) 2007-08-21
JP4620130B2 (ja) 2011-01-26
US20140050249A1 (en) 2014-02-20
WO2006069401A1 (en) 2006-06-29
AU2005318997A1 (en) 2006-06-29
JP5259657B2 (ja) 2013-08-07
TWI383604B (zh) 2013-01-21
CA2590629A1 (en) 2006-06-29
EP1836818A1 (en) 2007-09-26
US8571132B2 (en) 2013-10-29
CN101124795A (zh) 2008-02-13
IL183870A0 (en) 2007-10-31
US20060146760A1 (en) 2006-07-06
JP2008526141A (ja) 2008-07-17
RU2007127882A (ru) 2009-01-27
KR100956042B1 (ko) 2010-05-06
RU2009133038A (ru) 2011-03-10
TW200640174A (en) 2006-11-16
KR20070087097A (ko) 2007-08-27

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