Method of assignment and transmission of spread signals in direct sequence spread spectrum CDMA mobile communication system, mobile communication system, and transmitter, receiver and transmitter/receiver of mobile communication system
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United States of America Patent
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Apr 14, 2009
Grant Date -
N/A
app pub date -
May 7, 1999
filing date -
May 7, 1998
priority date (Note) -
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Abstract
The present invention relates to a spreading signal assigning method and a signal transmitting method in a direct sequence CDMA mobile communication system, a mobile wireless communication system using the methods, and a transmitter, a receiver and a transceiver in the mobile wireless communication system in which an assignment method of a second spreading code is devised such that various services can be provided. The invention is configured such that a signal spread with the second spreading code is transmitted between a base station and a mobile station by assigning a code associated with each base station group or a code associated with each network type to which the base station group belongs as the second spreading code.
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