Method and apparatus for dynamically managing a retransmission persistence
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United States of America Patent
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Issued Date -
Sep 21, 2006
app pub date -
Jun 16, 2005
filing date -
Mar 16, 2005
priority date (Note) -
Abandoned
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Abstract
In order to solve a problem of an existing ARQ scheme using a fixed retransmission persistence, the present invention provides a method of dynamically managing a retransmission persistence of an ARQ according to an amount of data stored in a buffer of the ARQ, or according to time (transmission delay time) until data frame inputted from a buffer input terminal of a transmission node receives an ACK signal from a receiving node. That is, when an amount of data waiting the transmission at the buffer of the transmission terminal of the ARQ is small, a high persistence is allowed, and when the amount of data is large, only a relatively smaller persistence is allowed. Especially, when the amount of data stored in the buffer of the ARQ exceeds a congestion threshold, a retransmission is not allowed. The amount of traffic imposed on the ARQ is based on the amount of data stored in the buffer, and the number of retransmissions for one frame is adjusted in inverse proportion to the amount of data stored in the buffer.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
QUALCOMM INCORPORATED | 5775 MOREHOUSE DRIVE SAN DIEGO CA 92121-1714 | |
YONSEI UNIVERSITY | 134 SHINCHO-DONG SEODAEMUN-GU SEOUL 120-749 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Han, Je Chan | Seoul, KR | 4 | 29 |
Lee, Jai Yong | Seoul, KR | 6 | 102 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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