Method for transmitting multimedia packet data using a contention-resolution process
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United States of America Patent
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-
Aug 6, 2002
Grant Date -
N/A
app pub date -
Jan 14, 1999
filing date -
May 28, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of operating a repeater for a packet-based data transmission system wherein the repeater has a receiving port associated with a buffer whereby packets received at the port are temporarily stored before they are onwardly transmitted and wherein the repeater performs a contention resolution process such that if an attempted onward transmission of a packet is prevented by virtue of contention with a prior or an existing transmission, a subsequent attempt at transmission of that packet is delayed for a time which is likely to be substantially greater than a selected minimum time. The method includes examining a received packet to determine whether the packet is a multi-media packet, and giving the packet a higher priority in the contention resolution process such that if the packet is not transmitted onwardly owing to contention with a prior transmission, a fresh attempt at transmission of the packet is made on the expiry of the selected minimum time.
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