Interference reduction in a communication signal
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United States of America Patent
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Aug 30, 2011
Grant Date -
Sep 3, 2009
app pub date -
Aug 30, 2006
filing date -
Aug 31, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention concerns the reduction of interference in a communication signal sent through a communication channel, where this interference is a performance limiting factor. The communication channel is any channel that can be described with memory elements. A Soft Input Soft Output receiver of a communication signal receives the communication signal and a priori information about the communication signal. Next creating candidate vectors having 1 to K samples by iteratively drawing samples using Gibbs sampling and using the a priori information. If a drawn kth sample of a candidate vector has not changed value for a predetermined number of created candidate vectors, then the value of the drawn kth sample is changed.
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