Abstract
An orthogonal complex spreading method for multiple data inputs each of the data inputs being allocated to either a first group or a second group comprising steps of :
receiving a first output signal and a second output signal in a complex form; and complex-multiplying the first and the second output signals by SC(OS 3+jP-OS4) wherein
the first output signal is generated based on data inputs allocated to the first group
the second output signal is generated based on data inputs allocated to the second group
SC is a spreading code OS 3 and OS4 are orthogonal sequences and P is a predetermined sequence.
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