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Employing OFDMA and scalable bandwidth scheme in Long Term Evolution (LTE) downlink access impact on increasing complexity in frequency domain physical layer identity detection. Therefore, in this paper, we propose time domain detection instead of frequency domain using finite impulse response (FIR) filter and partial cross-correlation. Moreover, we implement RAM based architecture instead of multipliers...
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...
In this paper, we present a 4-parallel fast Fourier transform (FFT) processor for a multi-band orthogonal frequency division multiplexing (MB-OFDM) ultra wideband (UWB) system. The proposed FFT processor utilizes radix-24 structure so as to significantly enhance the hardware complexity by reducing the numbers of multipliers and adders. The hardware efficient 4-parellel 128-point FFT processor employing...
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