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Energy consumption is an issue in general in information and communication technologies (ICT), but also cellular communications in particular. Base station sites are the main energy consumers in a mobile network. Their energy consumption significantly contributes to green house gas (CO2) emissions. Hence, service providers are looking for energy saving solutions in their existing and future deployments...
Finite impulse response (FIR) filters are widely used in many applications involving signal processing algorithms. The FIR can also be used as a convolver or as a cross-correlator due to its structural similarity. In general the problem with the hardware implementation of FIR is mainly the area complexity and this is much prominent if the number of taps is pretty large. For high throughput application,...
In this paper we present a novel technique to reduce silicon area of 128 point, 1 GSPS FFT architecture called as Mixed Radix Multi-path Delay Feedback (MRMDF) architecture proposed in. The architecture has been targeted 180 nm CMOS technology for fabrication. The design is intended to comply with ECMA-368 standard, which is one of the leading MB-OFDM standards for UWB application. The major bottleneck...
Fast Fourier transform (FFT) is the reduced complexity algorithm to implement highly computational complex discrete Fourier transform (DFT). Cooley-Tookey based decomposition method is the most popular technique for an N point DFT where N is an integral power of 2. There are 2 decomposition techniques, decimation in frequency (DIF) and decimation in time (DIT), which are widely popular. Both the techniques...
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