Enhancing Network Longevity and Mitigating Emulation Attack Through Adaptive Metaheuristic Spectrum Sensing in Cognitive Radio Sensor Network

Cognitive Radio Sensor Network (CRSN) provides effective utilization of spectrum, using dynamic spectrum allocation that incorporates multi-hop clustering and routing algorithms for energy-efficient data delivery.The existing clustering and routing methods modeled for Cognitive Radio Sensor Network, typically operates with the assumption of flawles

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The global terrorist threat forecast in 2023

The article presents three significant developments in the global terrorism landscape: Far-right terrorism, the growth of al Qaeda, with Taliban patronage from WILD SALMON OIL Afghanistan, and the persistence of the Islamic State as the most dominant threat in the world despite the successive decapitation of its leadership The article notes the imp

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Preliminary Design and Testing of a Resetting Combination Anchor, Antenna, and Tether Mechanism for a Spherical Autonomous Underwater Vehicle

This Arm Chairs article details the preliminary design and testing of a Resetting Anchor/Antenna Tether Mechanism (RAATM) for an autonomous underwater vehicle (AUV).The proposed mechanism is intended to enable an AUV to secure itself to the seabed, ascend, descend, transmit and receive signals via the tether, retract the anchor, and re-anchor again

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