Results 41 to 50 of about 3,104,974 (317)

Achieving High UAV Uplink Throughput by Using Beamforming on Board

open access: yesIEEE Access, 2020
High-throughput unmanned aerial vehicle (UAV) communication may unleash the true potential of novel applications for aerial vehicles but also represents a threat for cellular networks due to the high levels of generated interference.
Tomasz Izydorczyk   +5 more
doaj   +1 more source

Half-linear cavity multiwavelength Brillouin-erbium fiber laser [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2014
Multiwavelength half-linear cavity Brillouin erbium fiber laser (BEFL) has been demonstrated. The half-linear cavity BEFL is formed by utilizing only two circulators: one circulator acts as input and output ports and the other circulator is used to form ...
Al-Alimi A.W., Yaacob M. H., Abas A. F.
doaj   +1 more source

Vehicle-to-Vehicle Based Autonomous Flight Coordination Control System for Safer Operation of Unmanned Aerial Vehicles

open access: yesDrones, 2023
The exponential growth of unmanned aerial vehicles (UAVs) or drones in recent years has raised concerns about their safe operation, especially in beyond-line-of-sight (BLOS) scenarios.
Lin Shan   +5 more
doaj   +1 more source

Secure wireless networking

open access: yesJournal of Communications and Networks, 2009
Wireless technologies have had a significant impact on computing and communication technologies in the past decade, and we are thus now progressing to the new "anytime-anywhere" service model of the mobile Internet. Unfortunately, the affordability and availability of wireless technologies that makes them so attractive, also makes them an enticing ...
Adrian Perrig   +4 more
openaire   +2 more sources

Modelling stem cell differentiation related processes—A practical overview for biologists

open access: yesFEBS Letters, EarlyView.
Stem cell differentiation is complex and difficult to control experimentally. This review introduces suitable computational modelling approaches that can support stem cell research, from mechanistic ODE and abstract models to multiscale and deep learning methods.
Ricco Zeegelaar   +4 more
wiley   +1 more source

Denial of service attacks and challenges in broadband wireless networks [PDF]

open access: yes, 2008
Broadband wireless networks are providing internet and related services to end users. The three most important broadband wireless technologies are IEEE 802.11, IEEE 802.16, and Wireless Mesh Network (WMN).
Khan, S, Loo, KK, Naeem, T, Khan, MA
core  

Loss of IGF‐1R impairs DNA‐PKcs recruitment to chromatin leading to defective end‐joining

open access: yesMolecular Oncology, EarlyView.
IGF‐1R promotes radioresistance by facilitating DNA‐PKcs recruitment to chromatin, enabling non‐homologous end‐joining (NHEJ) repair of double‐strand breaks. Inhibition or loss of IGF‐1R disrupts this recruitment to damage sites, driving compensatory reliance on microhomology‐mediated end‐joining (MMEJ) repair.
Matthew O. Ellis   +3 more
wiley   +1 more source

Tapered-EDF-Based Mach–Zehnder Interferometer for Dual-Wavelength Fiber Laser

open access: yesIEEE Photonics Journal, 2014
An all-fiber comb filter using a tapered-erbium-doped fiber in a Mach-Zehnder interferometer structure is presented. The free spectral range, extinction ratio, bandwidth, and interference pattern of the comb filter can be shaped by controlling the taper ...
M. I. Md Ali   +6 more
doaj   +1 more source

Common security issues and challenges in wireless sensor networks and IEEE 802.11 wireless mesh networks [PDF]

open access: yes, 2009
Both Wireless Mesh Network (WMN) and Wireless Sensor Network (WSN) are multi-hop wireless networks. WMN is an emerging community based integrated broadband wireless network which ensures high bandwidth ubiquitous internet provision to users, while, WSN ...
Loo, KK, Naeem, T
core  

Preoperative circulating tumor cells integrated with imaging analysis for prognostic evaluation in head and neck squamous cell carcinoma

open access: yesMolecular Oncology, EarlyView.
Detecting circulating tumor cells (CTCs) in blood before surgery may help predict outcomes in patients with head and neck squamous cell carcinoma (HNSCC). Here, we show when combined with tumor size and lymph node involvement from routine imaging, CTC status identifies high‐risk patients with poorer survival—offering a simple, minimally invasive tool ...
Susanne Flach   +9 more
wiley   +1 more source

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