Code division multiple access mobile communication system
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United States of America Patent
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Feb 21, 2017
Grant Date -
Dec 4, 2014
app pub date -
Aug 12, 2014
filing date -
May 13, 1998
priority date (Note) -
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Abstract
In a mobile communication system using a code division multiple access (CDMA) method, spreading code detection and frame/slot timing synchronization (cell search) is conducted by using a long code masked symbol. The spreading factor of the long code masked symbol is set to a value lower than spreading factors of other ordinary symbols. As a result, it becomes possible to reduce the circuit scale and power dissipation of the mobile terminal and raise the speed of cell search.
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