Sub-optimal iterative receiver method and system for a high-bit-rate CDMA transmission system
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United States of America Patent
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Nov 20, 2007
Grant Date -
Jan 20, 2005
app pub date -
Aug 9, 2002
filing date -
Sep 6, 2001
priority date (Note) -
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Abstract
A reception method and receiver structure that are relatively simple, that have close to optimum performance, and that use high order modulation combined with a low spreading factor are disclosed. The method receives a signal transmittal in the form of sequences of coded binary symbols comprising both predefined pilot symbols and date symbols multiplied by a spreading sequence. The method also includes a step of determining a channel estimate using received predefined pilot symbols. A system for receiving a signal transmitted on a multipath transmission channel using a spread spectrum technique and low spreading factor is also disclosed.
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