TW200729775A - Method and apparatus for efficient configuration of hybrid sub-carrier allocation - Google Patents

Method and apparatus for efficient configuration of hybrid sub-carrier allocation

Info

Publication number
TW200729775A
TW200729775A TW095146779A TW95146779A TW200729775A TW 200729775 A TW200729775 A TW 200729775A TW 095146779 A TW095146779 A TW 095146779A TW 95146779 A TW95146779 A TW 95146779A TW 200729775 A TW200729775 A TW 200729775A
Authority
TW
Taiwan
Prior art keywords
sub
carriers
wtru
channel quality
type
Prior art date
Application number
TW095146779A
Other languages
English (en)
Inventor
John S Chen
Robert Lind Olesen
Guo-Dong Zhang
Sung-Hyuk Shin
Jun-Sung Kim
Chandra Arty
A Grandhi Sudheer
Original Assignee
Interdigital Tech Corp
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 Interdigital Tech Corp filed Critical Interdigital Tech Corp
Publication of TW200729775A publication Critical patent/TW200729775A/zh

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), DMT
    • 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
    • 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
    • H04L25/0224—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
    • 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
    • H04L5/0037—Inter-user or inter-terminal allocation
    • 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
    • H04L5/0058—Allocation criteria
    • H04L5/006—Quality of the received signal, e.g. BER, SNR, water filling
    • 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
    • H04L5/0078—Timing of allocation
    • H04L5/0085—Timing of allocation when channel conditions change
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/50—Allocation or scheduling criteria for wireless resources
    • H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
TW095146779A 2005-12-22 2006-12-13 Method and apparatus for efficient configuration of hybrid sub-carrier allocation TW200729775A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75312905P 2005-12-22 2005-12-22
US11/608,477 US20070149249A1 (en) 2005-12-22 2006-12-08 Method and apparatus for efficient configuration of hybrid sub-carrier allocation

Publications (1)

Publication Number Publication Date
TW200729775A true TW200729775A (en) 2007-08-01

Family

ID=38141166

Family Applications (2)

Application Number Title Priority Date Filing Date
TW095146779A TW200729775A (en) 2005-12-22 2006-12-13 Method and apparatus for efficient configuration of hybrid sub-carrier allocation
TW096124384A TW200820705A (en) 2005-12-22 2006-12-13 Method and apparatus for efficient configuration of hybrid sub-carrier allocation

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW096124384A TW200820705A (en) 2005-12-22 2006-12-13 Method and apparatus for efficient configuration of hybrid sub-carrier allocation

Country Status (3)

Country Link
US (1) US20070149249A1 (zh)
TW (2) TW200729775A (zh)
WO (1) WO2007078712A2 (zh)

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KR100794426B1 (ko) * 2005-12-31 2008-01-16 포스데이타 주식회사 다운링크 프리앰블을 이용한 로지컬 밴드의 반송파 신호 대잡음비 측정 장치 및 방법
CN1996811A (zh) * 2005-12-31 2007-07-11 北京三星通信技术研究有限公司 用于判决传输模式转换的测量报告实现方法及设备
KR101002554B1 (ko) * 2006-01-13 2010-12-21 콸콤 인코포레이티드 국부 및 분산 할당 다중화 및 제어
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WO2008132650A2 (en) * 2007-04-25 2008-11-06 Koninklijke Philips Electronics N.V. Method for transmitting channel quality report in a discontinuous transmission scheme, primary and secondary stations therefor
WO2009022970A1 (en) * 2007-08-15 2009-02-19 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for feeding back cqi values in a telecommunication system
US7907572B2 (en) * 2007-09-28 2011-03-15 Intel Corporation Collocated radio coexistence method
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ATE543283T1 (de) 2008-02-25 2012-02-15 Alcatel Lucent Entscheidung von rahmenzuweisungsstruktur und verfahren dafür
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US8442069B2 (en) * 2008-04-14 2013-05-14 Qualcomm Incorporated System and method to enable uplink control for restricted association networks
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US8503420B2 (en) * 2008-12-31 2013-08-06 Mediatek Inc. Physical structure and design of sounding channel in OFDMA systems
US8811300B2 (en) * 2008-12-31 2014-08-19 Mediatek Inc. Physical structure and sequence design of midamble in OFDMA systems
WO2010137318A1 (ja) * 2009-05-26 2010-12-02 京セラ株式会社 無線通信端末、基地局、無線通信方法および無線通信システム
US9363038B2 (en) * 2010-04-13 2016-06-07 Qualcomm Incorporated Evolved node B channel quality indicator (CQI) processing for heterogeneous networks
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KR101015736B1 (ko) * 2003-11-19 2011-02-22 삼성전자주식회사 직교 주파수 분할 다중 방식의 이동통신 시스템에서선택적 전력 제어 장치 및 방법
KR100946923B1 (ko) * 2004-03-12 2010-03-09 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 통신 시스템에서 채널 품질 정보의 송수신 장치 및 방법, 그리고 그에 따른 시스템
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Also Published As

Publication number Publication date
WO2007078712A2 (en) 2007-07-12
TW200820705A (en) 2008-05-01
US20070149249A1 (en) 2007-06-28
WO2007078712A3 (en) 2007-08-23

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