COMBINED DATA AND PROBE (CDP) FRAME
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United States of America Patent
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Issued Date -
Jul 26, 2012
app pub date -
Jul 19, 2010
filing date -
Jul 17, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A system or method in an OFDM communication environment includes transmitting, by a transmitter, and/or receiving, by a receiver, a frame that includes one or more preamble symbols, one or more header symbols, a plurality of data symbols, and a plurality of probe symbols. The probe symbols are predefined symbols that do not carry user data and are generated by modulating a predefined pseudo-random bit sequence (PRBS). A frame header, communicated in the one or more header symbols, includes one or more bit fields that indicate that the frame includes N probe symbols, wherein N is an integer greater than 1, and wherein the plurality of probe symbols are transmitted or received after the one or more header symbols and before the plurality of data symbols.
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