Abstract

Execution of arithmetic operations at a very high speed in real time is the major concern in compute intensive digital signal processing (DSP) algorithms Residue Number Systems are being considered as alternative to binary number system because of their capabilities of performing "carry free" arithmetic operations. However, RNS systems have so far been used to handle integer numbers only. Floating Point RNS arithmetic units have obvious advantages over fixed point multiply & accumulate (MAC) units which are the key units in Digital Signal Processors. Keeping this in view, in this paper, the architecture of a floating point MAC unit is presented.

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