Receiver for use in an ultra-wideband communication system
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United States of America Patent
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May 7, 2013
Grant Date -
Mar 22, 2012
app pub date -
Sep 19, 2010
filing date -
Mar 22, 2010
priority date (Note) -
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Abstract
In an ultra-wideband (“UWB”) receiver, a received UWB signal is periodically digitized as a series of ternary samples. The samples are continuously correlated with a predetermined preamble sequence to develop a correlation value. When the value exceeds a predetermined threshold, indicating that the preamble sequence is being received, estimates of the channel impulse response (“CIR”) are developed. When a start-of-frame delimiter (“SFD”) is detected, the best CIR estimate is provided to a channel matched filter (“CMF”) substantially to filter channel-injected noise.
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