Signal receiver, portable computer and signal acquisition method used in satellite communication system
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United States of America Patent
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Feb 4, 2014
Grant Date -
Nov 7, 2013
app pub date -
May 2, 2012
filing date -
May 2, 2012
priority date (Note) -
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Abstract
A signal receiver used in a satellite communication system is provided. The signal receiver comprises a first type code generator, a second type code generator, a composite code generator, a correlation module and a determining module. The first type code generator generates a first type code corresponding to a first type signal. The second type code generator generates a second type code corresponding to a second type signal and having a code length N-time longer than that of the first type code. The composite code generator generates a composite code by superimposing N successive first type codes on the second type code. The correlation module correlates the composite code with a cell of a received signal to generate correlation results. The determining module determines a type of the received signal according to correlation results of the composite code with the received signal.
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