Zobrazeno 1 - 10
of 82
pro vyhledávání: '"Bilal A. Khawaja"'
Publikováno v:
IEEE Access, Vol 12, Pp 6684-6697 (2024)
In this research study, a metamaterial (MTM) based $1\times4$ linear antenna array is designed with an integrated butler matrix (BM) beamforming network (BFN) to execute the switched-beam antenna array (SAA) operation, which can be employed for sub-6
Externí odkaz:
https://doaj.org/article/bbd5c9da26fa4c6ebebabecd9b09d006
Publikováno v:
IEEE Access, Vol 11, Pp 50364-50381 (2023)
Diversity measures exploited by blind source separation (BSS) methods are usually based on either statistical attributes/geometrical structures or sparse/overcomplete (underdetermined) representations of the signals. This leads to some inefficient BS
Externí odkaz:
https://doaj.org/article/be195276b34a4dc4b720f08ff5d21c51
Publikováno v:
IEEE Access, Vol 10, Pp 21219-21235 (2022)
Smart agriculture techniques have recently seen widespread interest by farmers. This is driven by several factors, which include the widespread availability of economically-priced, low-powered Internet of Things (IoT) based wireless sensors to remote
Externí odkaz:
https://doaj.org/article/0027ae273975480f88143357e4376363
Autor:
Arshad Karimbu Vallappil, Mohamad Kamal A. Rahim, Bilal A. Khawaja, Noor Asniza Murad, Mohammed Gajibo Mustapha
Publikováno v:
IEEE Access, Vol 9, Pp 3970-3987 (2021)
Due to the rapid development of wireless communication technologies, the number of wireless users are radically increasing. Currently, ~23 billion wireless devices are connected to the internet, and these numbers are expected to increase manifolds in
Externí odkaz:
https://doaj.org/article/0a41fa389ca14f20a80b651cba980c67
Autor:
Wajid Hussain, William G. Spady, Sohaib Zia Khan, Bilal A. Khawaja, Tayyab Naqash, Lindsey Conner
Publikováno v:
IEEE Access, Vol 9, Pp 46166-46190 (2021)
Engineering programs worldwide collect and report student learning outcomes data to conduct program evaluations for quality assurance and accreditation purposes. Accreditation agencies such as ABET typically mandate that at least two years of program
Externí odkaz:
https://doaj.org/article/80001e90c05d498191f89ff05f146d32
Autor:
Arshad Karimbu Vallappil, Bilal A. Khawaja, Mohamad Kamal A. Rahim, Muhammad Uzair, Mohsin Jamil, Qasim Awais
Publikováno v:
Fractal and Fractional, Vol 7, Iss 2, p 158 (2023)
In this paper, the design, simulation, fabrication, and characterization study of a low-cost and directional hybrid four-element (2 × 2 configuration) Minkowski–Sierpinski fractal antenna array (MSFAA) for the high-efficiency IEEE 802.11ax WLANs (
Externí odkaz:
https://doaj.org/article/72978a849d97494884df6b2429536f5f
Publikováno v:
IEEE Access, Vol 8, Pp 23022-23040 (2020)
The Internet of Things (IoT)-centric concepts like augmented reality, high-resolution video streaming, self-driven cars, smart environment, e-health care, etc. have a ubiquitous presence now. These applications require higher data-rates, large bandwi
Externí odkaz:
https://doaj.org/article/3df84b8b1f2f485fa3a44f426f5655e6
Publikováno v:
IEEE Access, Vol 8, Pp 30603-30614 (2020)
The performance of conventional repetitive controller (RC) deteriorates under frequency variations and system uncertainties. Due to limited bandwidth, it is also a trivial task to stabilize the conventional RC. This paper proposes a higher-order repe
Externí odkaz:
https://doaj.org/article/56b01bb132a943319aeeefdec4620363
Publikováno v:
IEEE Access, Vol 8, Pp 13573-13583 (2020)
This paper proposes a novel compact 4 × 4 butler matrix (BM) with improved bandwidth based on open-circuit coupled-lines and interdigital capacitor unit-cell to develop composite right/left handed (CRLH) transmission-line (TL) metamaterial structure
Externí odkaz:
https://doaj.org/article/65096983e74044c4ab95e3c23a409821
Autor:
Wajid Hussain, William G. Spady, Muhammad Tayyab Naqash, Sohaib Zia Khan, Bilal A. Khawaja, Lindsey Conner
Publikováno v:
IEEE Access, Vol 8, Pp 218997-219046 (2020)
Engineering accreditation agencies and governmental educational bodies worldwide require programs to evaluate specific learning outcomes information for attainment of student learning and establish accountability. Ranking and accreditation have resul
Externí odkaz:
https://doaj.org/article/93aca4a8974642599e8ad504faf25439