A scrambled code generator for WCDMA system and its realization method
A technology of a code generator and an implementation method, applied in the field of scrambling code generators, can solve problems such as generation speed, resource occupation and power consumption defects, and achieve the effects of meeting functional requirements, reducing resource occupation, and improving multiplexing level.
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[0060] The specific implementation manners of the present invention will be described below in conjunction with the accompanying drawings.
[0061] The scrambling code generator is composed of two parts: the first part is the function of quickly converting the scrambling code number into the initial phase of the scrambling code, and this part of the function is realized by the initial value calculation device of the scrambling code; the second part is to quickly convert the initial phase of the scrambling code The function of converting into M-phase scrambling codewords is realized by the scrambling code generation circuit. These two functions are implemented using different scrambling code generation methods.
[0062] The shift register groups with the same structure have a shift relationship between the sequences generated in different initial states. For the same scrambling code number, if different initial values x(0), x(1)...x(17) of the x sequence are set, the transla...
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