Preamble design for multiple input--multiple output (MIMO), orthogonal frequency division multiplexing (OFDM) system
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United States of America Patent
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Jun 19, 2007
Grant Date -
Apr 11, 2002
app pub date -
Mar 28, 2001
filing date -
Sep 1, 2000
priority date (Note) -
In Force
status (Latency Note)
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Abstract
One or more preambles are inserted into frames of Orthogonal Frequency Multiplexing (OFDM)-Multiple Input, Multiple Output (MIMO) signals. The preamble is received by the antennas of a receiver, decoded and compared to known values to provide synchronization, framing, channels estimation, offsets and other corrections to the transmitted signal.
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