Channel estimation for low-overhead communication in a network
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United States of America Patent
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Nov 5, 2013
Grant Date -
Nov 17, 2011
app pub date -
Apr 12, 2011
filing date -
Apr 12, 2010
priority date (Note) -
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Abstract
A receiving station receives a waveform that includes at least a first symbol of a predetermined symbol length and comprising a first set of frequency components at predetermined carrier frequencies modulated with preamble information and a second set of frequency components at predetermined carrier frequencies modulated with information. The receiving station processes sampled values from the first symbol based on channel characteristics estimated from the first set of frequency components to decode information encoded on a first subset of the second set of frequency components. The receiving station processes sampled values from the first symbol based on channel characteristics estimated from the first set of frequency components and the first subset of the second set of frequency components to decode information encoded on a second subset of the second set of frequency components.
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