2023
DOI: 10.2299/jsp.27.35
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Signal-Power-Based Combination Weight Rule for Distributed Blind Equalization in WSN Model

Abstract: In this paper, we consider how to improve the performance of distributed estimation over a diffusion network in order to estimate the unknown parameter of interest from noisy measurements. Specifically, the distributed blind equalization based on the single-input multiple-output channel model over a wireless sensor network (WSN) is discussed in this paper. We propose a new combination weight rule that the weight of each sensor node is assigned by the signal power of the sensor (received) signal instead of only… Show more

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Cited by 2 publications
(3 citation statements)
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“…In this case, the raised cosine channel model in (28) is used, in which the parameter θ is set to 3.0, 3.4, 3.8, 3.6, and 3.2, for f 1 (n), f 2 (n), ..., f 5 (n), respectively. The common noise variances are set to v 1 (n), v 2 (n), ..., v 5 (n), respectively.…”
Section: Casementioning
confidence: 99%
See 2 more Smart Citations
“…In this case, the raised cosine channel model in (28) is used, in which the parameter θ is set to 3.0, 3.4, 3.8, 3.6, and 3.2, for f 1 (n), f 2 (n), ..., f 5 (n), respectively. The common noise variances are set to v 1 (n), v 2 (n), ..., v 5 (n), respectively.…”
Section: Casementioning
confidence: 99%
“…Although a complicated algorithm is sometimes required, resulting in increased computation burden, accurate noise estimation is not guaranteed because such an approach is difficult to use in reality. In [28], a combination weight rule based on the received signal power at each sensor node was proposed to improve the performance of the equalizer where the parameter of interest in a WSN was the transmitted data signal. In [28], the noise variance was not known in advance, but an excellent weight combination was designed so that a better equalization performance than with the Metropolis, relative-degree, and uniform weight combination rules was obtained.…”
Section: Introductionmentioning
confidence: 99%
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