Method of transferring frames of variable length for a passive optical network that improves network efficiency and simplifies child apparatus
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United States of America Patent
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Aug 26, 2008
Grant Date -
May 22, 2003
app pub date -
Apr 30, 2002
filing date -
Nov 19, 2001
priority date (Note) -
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Abstract
A method of communicating through a passive optical network (PON) that improves the efficiency of the network with low cost child apparatuses having only simple functions. A parent apparatus provides the child apparatuses with a multi-frame standard signal, and a child apparatus transfers asynchronous information as a frame of variable length, as it is, at a time delayed from the multi-frame standard signal by a time period designated by the parent apparatus. Since the asynchronous information does not need to be divided into pieces to which a frame header is attached, the efficiency of the uplink channel is increased.
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