Abstract
A method for converting source data to a channel-modulated signal having a plurality of pairs of in-phase (I) and quadrature-phase (Q) data in a mobile station wherein the mobile station uses at least one channel includes the steps of: a) encoding the source data to generate at least one data part and a control part; b) generating at least one spreading code to be allocated to the channel wherein each spreading code is selected on the basis of a data rate of the data part and the control part and spreading codes are selected so that two consecutive pairs of the I and Q data are correspondent to two points located on same point or symmetrical with respect to a zero point on a phase domain; and c) spreading the control part and the data part by using the spreading code to thereby generate the channel-modulated signal. The method is capable of improving a power efficiency of a mobile station by reducing a peak-to-average power ratio in a mobile communication system.
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| Not Available | 16/06/2003 | ISLD-200307-002 | ETRI |
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| Not Available | 03/11/2008 | ISLD-200811-002 | ETRI | No | Family Member | ||||
| Not Available | 03/11/2008 | ISLD-200902-011 | SPH AMERICA LLC | No | Family Member | ||||
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