DE602004001932D1 - Qualitätsgesteuerte adaptive Vergabe von Übertragungskanälen in einem OFDMA Funkkommunikationssystem - Google Patents

Qualitätsgesteuerte adaptive Vergabe von Übertragungskanälen in einem OFDMA Funkkommunikationssystem

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Publication number
DE602004001932D1
DE602004001932D1 DE602004001932T DE602004001932T DE602004001932D1 DE 602004001932 D1 DE602004001932 D1 DE 602004001932D1 DE 602004001932 T DE602004001932 T DE 602004001932T DE 602004001932 T DE602004001932 T DE 602004001932T DE 602004001932 D1 DE602004001932 D1 DE 602004001932D1
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DE
Germany
Prior art keywords
quality
communication system
radio communication
transmission channels
adaptive allocation
Prior art date
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Active
Application number
DE602004001932T
Other languages
English (en)
Other versions
DE602004001932T2 (de
Inventor
Young-Kwon Cho
Hyeon-Woo Lee
Seok-Hyun Yoon
Dong-Seek Park
Pan-Yuh Joo
Seong-Iii Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics Co Ltd
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.)
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Publication date
Application filed by Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of DE602004001932D1 publication Critical patent/DE602004001932D1/de
Application granted granted Critical
Publication of DE602004001932T2 publication Critical patent/DE602004001932T2/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J11/00—Orthogonal multiplex systems, e.g. using WALSH 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
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • 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
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
    • H04L5/0046—Determination of how many bits are transmitted on different sub-channels
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H04W72/044—Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446—Resources in time domain, e.g. slots or frames
    • 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
    • H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
    • H04L1/0003—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate by switching between different modulation schemes
    • 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
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • 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
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
DE602004001932T 2003-06-24 2004-06-24 Qualitätsgesteuerte adaptive Vergabe von Übertragungskanälen in einem OFDMA Funkkommunikationssystem Active DE602004001932T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR2003041195 2003-06-24
KR1020030041195A KR20050000709A (ko) 2003-06-24 2003-06-24 다중 접속 방식을 사용하는 통신 시스템의 데이터 송수신장치 및 방법

Publications (2)

Publication Number Publication Date
DE602004001932D1 true DE602004001932D1 (de) 2006-09-28
DE602004001932T2 DE602004001932T2 (de) 2006-12-14

Family

ID=36973951

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004001932T Active DE602004001932T2 (de) 2003-06-24 2004-06-24 Qualitätsgesteuerte adaptive Vergabe von Übertragungskanälen in einem OFDMA Funkkommunikationssystem

Country Status (10)

Country Link
US (1) US20040264507A1 (de)
EP (1) EP1492280B1 (de)
JP (1) JP2006523969A (de)
KR (1) KR20050000709A (de)
CN (1) CN1701550A (de)
AU (1) AU2004250889B2 (de)
CA (1) CA2503374C (de)
DE (1) DE602004001932T2 (de)
RU (1) RU2289210C2 (de)
WO (1) WO2004114564A1 (de)

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EP1492280B1 (de) 2006-08-16
RU2005112248A (ru) 2006-01-20
CN1701550A (zh) 2005-11-23
KR20050000709A (ko) 2005-01-06
CA2503374A1 (en) 2004-12-29
WO2004114564A1 (en) 2004-12-29
AU2004250889A1 (en) 2004-12-29
US20040264507A1 (en) 2004-12-30
DE602004001932T2 (de) 2006-12-14
JP2006523969A (ja) 2006-10-19
AU2004250889B2 (en) 2007-08-23
EP1492280A1 (de) 2004-12-29
RU2289210C2 (ru) 2006-12-10
CA2503374C (en) 2008-11-04

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