BRPI0909648A2 - transmissor em sistemas de comunicação sem fio com estrutura hierárquica de pilotos - Google Patents

transmissor em sistemas de comunicação sem fio com estrutura hierárquica de pilotos

Info

Publication number
BRPI0909648A2
BRPI0909648A2 BRPI0909648A BRPI0909648A BRPI0909648A2 BR PI0909648 A2 BRPI0909648 A2 BR PI0909648A2 BR PI0909648 A BRPI0909648 A BR PI0909648A BR PI0909648 A BRPI0909648 A BR PI0909648A BR PI0909648 A2 BRPI0909648 A2 BR PI0909648A2
Authority
BR
Brazil
Prior art keywords
transmitter
wireless communication
communication systems
pilot structure
structure wireless
Prior art date
Application number
BRPI0909648A
Other languages
English (en)
Inventor
Ghosh Amitabha
K Talukdar Anup
Mondal Bishwarup
Wang Fan
W Vook Frederick
C Cudak Mark
A Thomas Timothy
Zhuang Xiangyang
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of BRPI0909648A2 publication Critical patent/BRPI0909648A2/pt
Publication of BRPI0909648A8 publication Critical patent/BRPI0909648A8/pt

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) or 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
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0615—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 simultaneous transmission of weighted versions of same signal
    • H04B7/0617—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 simultaneous transmission of weighted versions of same signal for beam forming
    • 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
    • H04B7/0613—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 simultaneous transmission
    • H04B7/0667—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 simultaneous transmission of delayed versions of same signal
    • H04B7/0671—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 simultaneous transmission of delayed versions of same signal using different delays between antennas
    • 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
    • H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
    • H04L25/03006—Arrangements for removing intersymbol interference
    • H04L25/03178—Arrangements involving sequence estimation techniques
    • H04L25/03248—Arrangements for operating in conjunction with other apparatus
    • 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
    • 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
    • H04L5/0048—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
    • H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

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)
BRPI0909648A 2008-03-10 2009-03-05 Transmissor em sistemas de comunicação sem fio com estrutura hierárquica de pilotos BRPI0909648A8 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3532208P 2008-03-10 2008-03-10
US12/367,473 US8243678B2 (en) 2008-03-10 2009-02-06 Hierarchical pilot structure in wireless communication systems
PCT/US2009/036130 WO2009114376A1 (en) 2008-03-10 2009-03-05 Transmitter in wireless communication systems with hierarchical pilot structure

Publications (2)

Publication Number Publication Date
BRPI0909648A2 true BRPI0909648A2 (pt) 2017-10-24
BRPI0909648A8 BRPI0909648A8 (pt) 2017-12-12

Family

ID=41053493

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0909648A BRPI0909648A8 (pt) 2008-03-10 2009-03-05 Transmissor em sistemas de comunicação sem fio com estrutura hierárquica de pilotos

Country Status (10)

Country Link
US (2) US8537790B2 (pt)
EP (6) EP2600556A3 (pt)
JP (2) JP5292587B2 (pt)
KR (2) KR101217943B1 (pt)
CN (2) CN101971552B (pt)
BR (1) BRPI0909648A8 (pt)
MX (2) MX2010009986A (pt)
MY (1) MY150159A (pt)
RU (2) RU2010141555A (pt)
WO (2) WO2009114376A1 (pt)

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EP2600559A3 (en) 2013-06-19
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BRPI0909648A8 (pt) 2017-12-12
EP2600557A2 (en) 2013-06-05
EP2600558A2 (en) 2013-06-05
JP5453626B2 (ja) 2014-03-26
US20090225721A1 (en) 2009-09-10
US20090225722A1 (en) 2009-09-10
WO2009114376A1 (en) 2009-09-17
JP5292587B2 (ja) 2013-09-18
EP2600559A2 (en) 2013-06-05
EP2600558A3 (en) 2013-06-19
KR20100117666A (ko) 2010-11-03
MX2010009868A (es) 2010-09-30
MY150159A (en) 2013-11-29
EP2600556A2 (en) 2013-06-05
US8243678B2 (en) 2012-08-14
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EP2263343A1 (en) 2010-12-22
RU2510586C2 (ru) 2014-03-27
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CN101971552B (zh) 2013-07-10
JP2011515048A (ja) 2011-05-12
US8537790B2 (en) 2013-09-17
JP2011515047A (ja) 2011-05-12
KR20100121647A (ko) 2010-11-18
EP2600557A3 (en) 2013-06-19
WO2009114379A1 (en) 2009-09-17
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RU2010141536A (ru) 2012-04-20
KR101136714B1 (ko) 2012-04-19
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EP2600556A3 (en) 2013-06-19
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