Results 21 to 30 of about 169,726 (308)
Convolutional compressed sensing using deterministic sequences [PDF]
, 2012 This is the author's accepted manuscript (with working title "Semi-universal convolutional compressed sensing using (nearly) perfect sequences"). The final published article is available from the link below. Copyright @ 2012 IEEE.
Cong Ling +4 more
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Information reuse in dynamic spectrum access [PDF]
, 2013 Dynamic spectrum access (DSA), where the permission to use slices of radio spectrum is dynamically shifted (in time an in different geographical areas) across various communications services and applications, has been an area of interest from technical ...
Tipper, D +8 more
core +1 more source
Edge-Graph Enhanced Network for Multi-Object Tracking in UAV Videos
Remote SensingMulti-Object Tracking (MOT) is a fundamental research topic in the field of computer vision, with broad application potential in unmanned aerial vehicle (UAV) videos.
Yiming Xu, Hongbing Ji, Yongquan Zhang
doaj +1 more source
Contextual-Semantic Interactive Perception Network for Small Object Detection in UAV Aerial Images
Remote SensingUnmanned Aerial Vehicle (UAV)-based aerial object detection has been widely applied in various fields, including logistics, public security, disaster response, and smart agriculture.
Yiming Xu, Hongbing Ji
doaj +1 more source
Opportunistic Spectrum Sensing and Transmissions [PDF]
, 2012 Nowadays, cognitive radio is one of the most promising paradigms in the arena of wireless communications, as it aims at the proficient use of radio resources. Proper utilization of the radio spectrum requires dynamic spectrum accessing. To this end, spectrum sensing is undoubtedly necessary.
S.k. Shariful Alam +2 more
openaire +2 more sources
Remote SensingUnderwater acoustic vector sensors (UAVSs) are increasingly utilized for remote passive sonar detection, but the accuracy of direction-of-arrival (DOA) estimation remains a challenging problem, particularly under low signal-to-noise ratio (SNR ...
Haitao Dong +4 more
doaj +1 more source
Markov Model-Based Energy Efficiency Spectrum Sensing in Cognitive Radio Sensor Networks
Journal of Computer Networks and Communications, 2016 Cognitive Radio Sensor Network (CRSN), incorporating cognitive radio capability in wireless sensor networks, is a new paradigm of the next-generation sensor network. Sensor nodes are usually battery powered and hence have strict energy constraints.
Yan Jiao, Inwhee Joe
doaj +1 more source
Spectrum sensing techniques for 5G wireless networks: Mini review
Sensors International, 2022 Cognitive radio (CR) is a leading candidate for addressing spectrum constraints and is a key component of fifth-generation (5G) communications. For optimum usage of accessible unused spectrum, spectrum sensing is a critical aspect of CR.
RS Koteeshwari, B. Malarkodi
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Radar spectrum opportunities for cognitive communications transmission [PDF]
, 2008 In relation to opportunistic access to radar spectrum, the impact of the radar on a communication system is investigated in this paper. This paper illustrates that by exploring the spatial and temporal opportunities in the radar spectrum and therefore ...
Williams, C +7 more
core +1 more source
Cooperative Spectrum Sensing With Data Mining of Multiple Users’ Historical Sensing Data
IEEE Access, 2016 Under the case of exponentially growth of wireless services and the scarcity of spectrum resources, cognitive radio (CR) has been proposed to access licensed channels opportunistically, and thus improve spectrum utilization.
Xin-Lin Huang +4 more
doaj +1 more source