Data Unit Relay Device and Method of Controlling the Same
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United States of America Patent
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Issued Date -
Oct 23, 2008
app pub date -
May 30, 2005
filing date -
May 30, 2005
priority date (Note) -
Abandoned
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Abstract
A method of controlling a data unit relay device is described, applied to a relay ARQ protocol in accordance with which a source peer sends data units to a destination peer via at least one relay peer. The relay ARQ protocol provides for a first type and second type of receipt information, where the first type is indicative of a correct receipt at a relay peer, and the second type is indicative of a correct receipt at the destination peer. In a data unit relay device that is arranged for deliberately dropping data units of the relay ARQ protocol under one or more predetermined conditions, a procedure is provided for indicating to the source peer and the destination peer that a data unit has been deliberately dropped and for identifying the deliberately dropped data unit, such that the source and destination peer may perform retransmission control for the dropped data unit as if it had been successfully received at the destination peer
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