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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Jul 22, 2008
Grant Date -
Nov 29, 2007
app pub date -
May 14, 2007
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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