BRPI0909648A8 - 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 pilotosInfo
- Publication number
- BRPI0909648A8 BRPI0909648A8 BRPI0909648A BRPI0909648A BRPI0909648A8 BR PI0909648 A8 BRPI0909648 A8 BR PI0909648A8 BR PI0909648 A BRPI0909648 A BR PI0909648A BR PI0909648 A BRPI0909648 A BR PI0909648A BR PI0909648 A8 BRPI0909648 A8 BR PI0909648A8
- Authority
- BR
- Brazil
- Prior art keywords
- wireless communication
- pilot
- control channel
- transmitter
- hierarchical structure
- Prior art date
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
- 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
- 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
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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 signaling, 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)
Abstract
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 BRPI0909648A2 (pt) | 2017-10-24 |
BRPI0909648A8 true BRPI0909648A8 (pt) | 2018-01-02 |
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) | JP5453626B2 (pt) |
KR (2) | KR101136714B1 (pt) |
CN (2) | CN102047602A (pt) |
BR (1) | BRPI0909648A8 (pt) |
MX (2) | MX2010009868A (pt) |
MY (1) | MY150159A (pt) |
RU (2) | RU2510586C2 (pt) |
WO (2) | WO2009114379A1 (pt) |
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US8705496B2 (en) * | 2006-01-19 | 2014-04-22 | Samsung Electronics Co., Ltd | Method and apparatus for controlling transmission and reception of dedicated pilots according to MCS level in a wireless communication system |
CN100518020C (zh) * | 2006-03-21 | 2009-07-22 | 中兴通讯股份有限公司 | 正交频分复用***控制信息的传输方法 |
KR20130038400A (ko) | 2006-04-28 | 2013-04-17 | 닛본 덴끼 가부시끼가이샤 | 파일럿 신호 송신 방법, 무선 통신 시스템, 그들에 이용되는 장치 및 프로그램 |
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JP2008035288A (ja) | 2006-07-28 | 2008-02-14 | Kyocera Corp | 無線通信装置及び通信方法 |
RU2411650C2 (ru) | 2006-08-07 | 2011-02-10 | Интердиджитал Текнолоджи Корпорейшн | Способ, устройство и система для реализации многопользовательского виртуального множественного входа/множественного выхода |
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2009
- 2009-02-06 US US12/367,483 patent/US8537790B2/en active Active
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