Results 1 to 10 of about 952,428 (323)
Influence of User Mobility and Antenna Placement on System Loss in B2B Networks
IEEE Access, 2022 In this paper, the influence of user mobility and on-body antenna placement on system loss in body-to-body communications in indoor and outdoor environments and different mobility scenarios is studied, based on system loss measurements at 2.45 GHz.
Manuel M. Ferreira +3 more
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Bandwidth Dependence of the Propagation Channel in Circular Metallic BAN Environments
IEEE Access, 2023 In this paper, the bandwidth dependence of the propagation channel for Body Area Networks (BANs) in circular metallic environments is addressed and models are proposed to evaluate the appropriate short-term fading margins that should be considered as a ...
Manuel M. Ferreira +3 more
doaj +1 more source
A Wideband Channel Model for Body Area Networks in Circular Metallic Indoor Environments
IEEE Access, 2021 In this paper, the wideband characterization of the propagation channel in circular metallic indoor environments is addressed, regarding Body Area Networks and 5G small cells, an analytical model for the dependence of the mean delay and the average delay
Filipe D. Cardoso +3 more
doaj +1 more source
IEEE Access, 2021 This paper introduces a new topology for a DC-DC converter with bipolar output and high voltage gain. The topology was designed with the aim to use only one active power switch.
V. Fernao Pires +3 more
doaj +1 more source
AN OBSERVATIONAL STUDY ON ASSOCIATION OF OCULAR MORBIDITIES WITH BODY MASS INDEX IN CHILDREN
Student's Journal of Health Research Africa, 2023 Background: It is important to determine the effects of obesity and hypertension on the eyes so that they might be utilized as prognostic indicators.
P.H.N.S.S Harshita +5 more
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Bal Arısı ve Bal Arısı Ürünleri
Sinop Üniversitesi Fen Bilimleri Dergisi, 2021 Türkiye farklı iklim ve coğrafi şartlara sahip olduğu için çok çeşitli bal arı ırklarının merkezi konumundadır. Türkiye’de yaygın olarak Anadolu arısı (Apis mellifera anatolica M.), Kafkasya arısı (Apis mellifera caucasia G.), Suriye Arısı (Apis mellifera syrica), İran arısı (Apis mellifera meda Skorikov, 1929) ırkları bulunmaktadır. Arıcılığın geçmişi
Mukaddes ARIGÜL APAN +2 more
openaire +3 more sources
IEEE Access, 2022 There is a need for investigating radio channels for Body Area Networks considering the depolarisation phenomenon and new types of environments, since these aspects are becoming very important for systems design and deployment.
Slawomir J. Ambroziak +5 more
doaj +1 more source
Fast Fading Characterization for Body Area Networks in Circular Metallic Indoor Environments
IEEE Access, 2020 With the increasing development of 5G and Body Area Network based systems being implemented in unusual environments, propagation inside metallic structures is a key aspect to characterize propagation effects inside ships and other similar environments ...
Filipe D. Cardoso +4 more
doaj +1 more source
Polarization of Broad Absorption Line QSOs I. A Spectropolarimetric Atlas [PDF]
, 1999 We present a spectropolarimetric survey of 36 broad absorption line quasi-stellar objects (BAL QSOs). The continuum, absorption trough, and emission line polarization of BAL QSOs yield clues about their structure.
A. R. Martel +11 more
core +3 more sources
Intraoral Foregut Cystic Developmental Malformations: Three cases with a brief review of literature
Sultan Qaboos University Medical Journal, 2019 Foregut cystic developmental malformations (FCDM) are a type of rare cystic lesion. The occurrence of FCDM is exceedingly uncommon in the intraoral location.
Arti Khatri +4 more
doaj +1 more source