Bit-width minimization scheme for wireless communication

Details Bit-width minimization scheme for wireless communication Bit-width minimization scheme for wireless communication

2009-02-24

2011-11-22

Lai, Andrew (Department: 2473)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Fourier transform

C370S342000, C375S297000

Reexamination Certificate

active

08064330

ABSTRACT:
A technique for generating a reduced bit-width in a signal generated by a first-type modulator in a communication apparatus that includes two distinct modulators. In particular, the communication apparatus includes a first modulator adapted to generate a first modulated signal quantified to a first bit-width, a second modulator adapted to generate a second modulated signal quantified to a second bit-width that is less than the first bit-width, and a device to generate a third modulated signal comprising a combination of the first and second modulated signals. In an exemplary implementation, the first modulator includes an OFDMA modulator, the second modulator includes a CDMA, and the combining device includes an IFFT. Additionally, an apparatus for processing a communication signal includes a tasklist cache memory having a tasklist, a processor adapted to provide a task to the tasklist, and a communication module adapted to fetch the task from the tasklist, and process the communication signal based on the retrieved task.

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International Search Report and the Written Opinion—PCT/US2009/035768, International Search Authority—European Patent Office—Sep. 24, 2009.

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