Device for channel estimation in a multiple subcarrier CDMA system using a block of multiple subcarriers by multiple symbols and method thereof
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United States of America Patent
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-
Apr 30, 2013
Grant Date -
Jul 8, 2004
app pub date -
Dec 19, 2003
filing date -
Sep 28, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A channel prediction value is obtained by storing pilot signals for four symbols and 1,024 sub-carriers in a time and sub-carrier directions, respectively, multiplying a received pilot signal by the Walsh code of a channel to which channel prediction is applied, for each block of four symbols-by-eight sub-carriers and adding the products of the block including eight sub-carriers centered on a sub-carrier, to which channel prediction is applied.
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