Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Jose Candido Silveira Santos Filho"'
Autor:
Savio Vieira Lacerda Da Silva, Lenin Patricio Jimenez, Fernando Dario Almeida Garcia, Santosh Kumar, Jose Candido Silveira Santos Filho, Eduardo Rodrigues de Lima, Gustavo Fraidenraich
Publikováno v:
IEEE Access, Vol 12, Pp 90726-90737 (2024)
In this paper, we assess the performance of an equal-gain combining (EGC) diversity receiver operating over composite Fisher-Snedecor fading channels. The Fisher-Snedecor fading model results from the amalgamation of two well-known physical phenomena
Externí odkaz:
https://doaj.org/article/9a6174ba6bb44cfb8fe61b5fb95e8cda
Autor:
Fernando Dario Almeida Garcia, Marco Antonio Miguel Miranda, Jose Candido Silveira Santos Filho
Publikováno v:
IEEE Access, Vol 9, Pp 95622-95635 (2021)
This paper addresses the standard generalized likelihood ratio test (GLRT) detection problem of weak signals in background noise. In so doing, we consider a non-fluctuating target embedded in complex white Gaussian noise (CWGN), in which the amplitud
Externí odkaz:
https://doaj.org/article/4bf99cf4cb1d4e4083162adcce22a631
Autor:
Edgar Eduardo Benitez Olivo, Diana Pamela Moya Osorio, Hirley Alves, Jose Candido Silveira Santos Filho, Matti Latva-Aho
Publikováno v:
IEEE Access, Vol 6, Pp 24983-24995 (2018)
The performance of an underlay cognitive radio network that coexists with a primary destination is studied in terms of the outage probability. The investigated secondary network comprises a source-destination pair communicating under the assistance o
Externí odkaz:
https://doaj.org/article/24ac3dab3baf41439ac354286951c63f
Autor:
Fernando Dario Almeida Garcia, Jose Candido Silveira Santos Filho, Francisco Parente, Gustavo Fraidenraich
Publikováno v:
IEEE Wireless Communications Letters. 10:2445-2449
Sums of Weibull variates arise in several communications fields, such as optical, mobile, and radar systems. However, due to the intricate task of evaluating the Weibull sums, only a few works deal with the exact sum statistics. Some of these works p
Autor:
Fernando Dario Almeida Garcia, Jose Candido Silveira Santos Filho, Henry Ramiro Carvajal Mora, Gustavo Fraidenraich
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 18:1956-1960
Modern radar systems use square-law detectors to search and track fluctuating targets embedded in Weibull-distributed ground clutter. However, the theoretical performance analysis of square-law detectors in the presence of Weibull clutter leads to cu
Publikováno v:
Journal of Communication and Information Systems. 35:171-180
Publikováno v:
IEEE Transactions on Wireless Communications. 19:205-217
We propose a unified approach to approximate the probability density function and the cumulative distribution function of a sum of independent channel envelopes following generalized, and possibly mixed, fading models. In the proposed approach, the a
Publikováno v:
SSP
The α-η-κ-μ probabilistic model offers a general, unified description for all the essential ingredients of short-term fading. Thus far, however, it has no associated simulator as general as the model itself, becoming less attractive to design tea
Publikováno v:
IEEE Wireless Communications Letters. 8:1012-1015
Approximations to sums of random variables (RVs) have been a longstanding issue in view of the usual intricacy of the exact sum statistics. In this letter, a new technique called asymptotic matching is introduced and a corresponding new framework is
Autor:
Fernando Dario Almeida Garcia, Jose Candido Silveira Santos Filho, Andrea Carolina Flores Rodriguez, Gustavo Fraidenraich
Publikováno v:
IEEE Geoscience and Remote Sensing Letters. 16:887-891
This letter presents a novel and exact formulation for the probability of detection of a cell-averaging, constant false-alarm rate (CFAR) radar system operating in a homogeneous Weibull clutter environment. We consider a realistic scenario with both