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- W2010802928 abstract "In this paper, we consider the demodulation and equalization problem of differential Impulse Radio (IR) Ultra-WideBand (UWB) Systems with Inter-Symbol-Interference (ISI). The differential IR UWB systems have been extensively discussed recently [1], [2], [3], [4], [5], [6], [7]. The advantage of differential IR UWB systems include simple receiver frontend structure. One challenge in the demodulation and equalization of such systems with ISI is that the systems have a rather complex model. The input and output signals of the systems follow a second-order Volterra model [7]. Furthermore, the noise at the output is data dependent. In this paper, we propose a reduced-complexity joint demodulation and equalization algorithm. The algorithm is based on reformulating the nearest neighborhood decoding problem into a mixed quadratic programming and utilizing a semi-definite relaxation. The numerical results show that the proposed demodulation and equalization algorithm has low computational complexity, and at the same time, has almost the same error probability performance compared with the maximal likelihood decoding algorithm." @default.
- W2010802928 created "2016-06-24" @default.
- W2010802928 creator A5091774049 @default.
- W2010802928 date "2009-03-01" @default.
- W2010802928 modified "2023-09-23" @default.
- W2010802928 title "Reduced complexity demodulation and equalization scheme for differential Impulse Radio UWB Systems with ISI" @default.
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- W2010802928 doi "https://doi.org/10.1109/sarnof.2009.4850340" @default.
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