Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Anthony Ngozichukwuka Uwaechia"'
Publikováno v:
IEEE Access, Vol 11, Pp 123253-123267 (2023)
Terahertz (THz) communication has been envisioned as a promising technique for the future sixth generation (6G) and beyond wireless networks because of its tens of gigahertz (GHz) bandwidth. However, wideband THz channel results in an increase in ban
Externí odkaz:
https://doaj.org/article/808851f20c9149fc916b0098efa224bf
Publikováno v:
Jordanian Journal of Computers and Information Technology, Vol 8, Iss 2, Pp 170-181 (2022)
In this article, a single-layered 3 dB/45° coupler (Design D) is proposed for fifth generation (5G) beamforming networks using cross-slotted patch topology, dumbbell-shaped slots, loaded stubs, notches and rectangular ground slots. The proposed Desi
Externí odkaz:
https://doaj.org/article/919f8be8b2714d9fb18dbf4a6ab44036
Publikováno v:
IEEE Access, Vol 9, Pp 97760-97802 (2021)
Electrocardiogram (ECG) has extremely discriminative characteristics in the biometric field and has recently received significant interest as a promising biometric trait. However, ECG signals are susceptible to several types of noises, such as baseli
Externí odkaz:
https://doaj.org/article/9d4dd5a3f34e4fe489519c9f155ae559
Autor:
Mahmoud A. Albreem, Wael Salah, Arun Kumar, Mohammed H. Alsharif, Ali Hanafiah Rambe, Muzammil Jusoh, Anthony Ngozichukwuka Uwaechia
Publikováno v:
IEEE Access, Vol 9, Pp 45740-45753 (2021)
Massive multiple-input multiple-output (M-MIMO) is a significant pillar in fifth generation (5G) networks where a large number of antennas is deployed. It provides massive advantages to modern communication systems in data rate, spectral efficiency,
Externí odkaz:
https://doaj.org/article/dc602b27747d4e30b94ed495e0df9fe1
Publikováno v:
IEEE Access, Vol 8, Pp 62367-62414 (2020)
Fifth-generation (5G) cellular networks will almost certainly operate in the high-bandwidth, underutilized millimeter-wave (mmWave) frequency spectrum, which offers the potentiality of high-capacity wireless transmission of multi-gigabit-per-second (
Externí odkaz:
https://doaj.org/article/b853e30c4d7640d19b07de858becc423
Publikováno v:
IEEE Access, Vol 8, Pp 139994-140007 (2020)
Non-orthogonal multiple access (NOMA) in millimeter-wave (mmWave) multiple-input multiple-output (MIMO) (i.e., mmWave MIMO-NOMA) systems, is a promising technology to significantly enhance the spectrum efficiency of the fifth-generation (5G) mobile c
Externí odkaz:
https://doaj.org/article/bbdea670c7e24410965abd93cb7e5a9e
Publikováno v:
IEEE Access, Vol 7, Pp 35072-35088 (2019)
In this paper, we deal with channel estimation (CE) for high-mobility orthogonal frequency division multiplexing (OFDM) systems. To make the numerous (unknown) estimation for the high-mobility OFDM systems practicable, the channels are assumed to be
Externí odkaz:
https://doaj.org/article/8335920dd3d9434995fe79686c181581
Autor:
Anthony Ngozichukwuka Uwaechia, Nor Muzlifah Mahyuddin, Mohd Fadzil Ain, Nurul Muazzah Abdul Latiff, Nor Farahidah Za'bah
Publikováno v:
IEEE Access, Vol 7, Pp 109259-109277 (2019)
Millimeter wave (mmWave) multiple-input-multiple-output (MIMO) systems will almost certainly use hybrid precoding to realize beamforming with few numbers of RF chains to reduce energy consumption, but require low complexity technique to improve spect
Externí odkaz:
https://doaj.org/article/c42af31fa118472a9cfe1d83e1c8ae97
Autor:
Mohammed H. Alsharif, Arun Kumar, Muzammil Jusoh, Mahmoud A. M. Albreem, Wael A. Salah, Anthony Ngozichukwuka Uwaechia, Ali Hanafiah Rambe
Publikováno v:
IEEE Access, Vol 9, Pp 45740-45753 (2021)
Massive multiple-input multiple-output (M-MIMO) is a significant pillar in fifth generation (5G) networks where a large number of antennas is deployed. It provides massive advantages to modern communication systems in data rate, spectral efficiency,
Publikováno v:
IEEE Systems Journal. 13:2240-2251
As a sampling paradigm to recover the sparse or compressible signals from very few incoherent linear measurements, compressed sensing (CS) has spurred much interest in recent years. Since tractable recovery algorithm is a crucial and major issue of C