Efficient conjugate gradient based channel estimator
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United States of America Patent
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Feb 5, 2008
Grant Date -
Jun 9, 2005
app pub date -
Dec 5, 2003
filing date -
Dec 5, 2003
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Abstract
In forming a channel estimate, a received signal y is decoded to form data s, a convolution matrix S is formed from the data s, a matrix F is formed from the data s such that the matrix F results from the forming of the matrix S as a convolution matrix, and a conjugate gradient algorithm is performed to determine the channel estimate. The conjugate gradient algorithm is based on the received signal y, the matrix S, and the matrix F.
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