Abstract
An orthogonal complex spreading method for a multichannel and an apparatus thereof are disclosed. The method includes the steps of complex-summing ? n1WMn1Xn1 which is obtained by multiplying an orthogonal Hadamard sequence WMn1 by a first data Xn1 of a n-th block and ?n2WMn2Xn2 which is obtained by multiplying an orthogonal Hadamard sequence W1n2 by a second data Xn2 of a n-th block; complex-multiplying ?n1WMn1Xn1+j?n2WMn2Xn2 which is summed in the complex type and WMn3+jPWMn4 of the complex type using a complex multiplier and outputting as an in-phase information and quadrature phase information; and summing only in-phase information outputted from a plurality of blocks and only quadrature phase information outputted therefrom and spreading the same using a spreading code.
Technologies
Multiple access
Product
Use Cases
Wireless communication
Services
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