Data-aided channel estimation
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United States of America Patent
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-
Apr 1, 2008
Grant Date -
Jul 14, 2005
app pub date -
Jan 12, 2004
filing date -
Jan 12, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
Forming a channel estimate for a communications channel in a communication system, which a receiver that receives over the communications channel signals including pilot symbols, control symbols, and a set of data symbols. A pilot-only based channel estimate is calculated using the pilot symbols in a first pass through a portion of the control channel. Then pseudo pilot symbols are generated on a basis of a control channel, and then are used to refine the pilot-only based channel estimate. A set of data symbols is then weighted using the refined channel estimate, and the weighted set of symbols is output to a decoder stage.
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