KR100336231B1 - 신호 대 간섭 잡음비 결정 방법 및 시스템 - Google Patents

신호 대 간섭 잡음비 결정 방법 및 시스템 Download PDF

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Publication number
KR100336231B1
KR100336231B1 KR1019990008918A KR19990008918A KR100336231B1 KR 100336231 B1 KR100336231 B1 KR 100336231B1 KR 1019990008918 A KR1019990008918 A KR 1019990008918A KR 19990008918 A KR19990008918 A KR 19990008918A KR 100336231 B1 KR100336231 B1 KR 100336231B1
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South Korea
Prior art keywords
signal
metric
interference noise
noise ratio
determining
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KR1019990008918A
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English (en)
Korean (ko)
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KR19990077950A (ko
Inventor
발라샨드란크리시나
에즈잭리챠드폴
카다바스리니바스알
난다산지브
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루센트 테크놀러지스 인크
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Publication of KR19990077950A publication Critical patent/KR19990077950A/ko
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    • 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
    • H04L1/0015—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the adaptation strategy
    • 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
    • H04L1/0001—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
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • 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
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0059—Convolutional codes
    • H04L1/006—Trellis-coded modulation
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/24—Reselection being triggered by specific parameters
    • H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
    • 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
KR1019990008918A 1998-03-19 1999-03-17 신호 대 간섭 잡음비 결정 방법 및 시스템 KR100336231B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US9/044,636 1998-03-19
US09/044,636 1998-03-19
US09/044,636 US6215827B1 (en) 1997-08-25 1998-03-19 System and method for measuring channel quality information in a communication system

Publications (2)

Publication Number Publication Date
KR19990077950A KR19990077950A (ko) 1999-10-25
KR100336231B1 true KR100336231B1 (ko) 2002-05-09

Family

ID=21933461

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019990008918A KR100336231B1 (ko) 1998-03-19 1999-03-17 신호 대 간섭 잡음비 결정 방법 및 시스템

Country Status (8)

Country Link
US (1) US6215827B1 (US06215827-20010410-M00010.png)
EP (1) EP0944201A3 (US06215827-20010410-M00010.png)
JP (1) JP3798175B2 (US06215827-20010410-M00010.png)
KR (1) KR100336231B1 (US06215827-20010410-M00010.png)
CN (1) CN1154391C (US06215827-20010410-M00010.png)
AU (1) AU2121799A (US06215827-20010410-M00010.png)
BR (1) BR9915302A (US06215827-20010410-M00010.png)
CA (1) CA2263060C (US06215827-20010410-M00010.png)

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Publication number Publication date
BR9915302A (pt) 2001-07-24
AU2121799A (en) 1999-09-30
CN1237074A (zh) 1999-12-01
US6215827B1 (en) 2001-04-10
CA2263060A1 (en) 1999-09-19
KR19990077950A (ko) 1999-10-25
JP3798175B2 (ja) 2006-07-19
EP0944201A3 (en) 2002-03-06
EP0944201A2 (en) 1999-09-22
CN1154391C (zh) 2004-06-16
CA2263060C (en) 2003-12-09
JPH11313040A (ja) 1999-11-09

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