Data communications system and hybrid time-code multiplexing method
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United States of America Patent
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Jul 8, 2003
Issued Date -
N/A
app pub date -
Mar 3, 1999
filing date -
Aug 11, 1997
priority date (Note) -
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Abstract
A data communications system, particularly suited for shared or wireless communications channels, capable of accommodating terminals having different throughput capabilites by flexibly allocating cyclically rotated phases of a common code is disclosed. One or more shifts of a cyclic orthogonal code are assigned to a terminal. These codes are preferably cyclically padded to increase their tolerance to arbitrary time shifts, and the resulting codes are used to spread the signals for transmission.
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