Results 11 to 20 of about 222,080 (142)

Precoder and Decoder Co-Designs for Radar and Communication Spectrum Sharing

Sensors, 2022
The coexistence of radar and communication systems is necessary to facilitate new wireless systems and services due to the shortage of the useful radio spectrum.
Yuanhao Cui, Visa Koivunen, Xiaojun Jing
doaj   +1 more source

Surfing the Internet-of-Things: lightweight access and control of wireless sensor networks using industrial low power protocols [PDF]

, 2014
Internet-of-Things (IoT) is emerging to play an important role in the continued advancement of information and communication technologies. To accelerate industrial application developments, the use of web services for networking applications is seen as ...
Leung, Victor C M, Sheng, Zhengguo, Zhu, Chunsheng   +2 more
core   +1 more source

Particle PHD Filter Based Multiple Human Tracking Using Online Group-Structured Dictionary Learning

IEEE Access, 2018
An enhanced sequential Monte Carlo probability hypothesis density (PHD) filter-based multiple human tracking system is presented. The proposed system mainly exploits two concepts: a novel adaptive gating technique and an online group-structured ...
Zeyu Fu, Pengming Feng, Federico Angelini, Jonathon Chambers, Syed Mohsen Naqvi   +4 more
doaj   +1 more source

Passive Components Technology for THz-Monolithic Integrated Circuits (THz-MIC) [PDF]

, 2017
In this work, a viable passive components and transmission media technology is presented for THz-Monolithic Integrated Circuits (THz-MIC). The developed technology is based on shielded microstrip (S-MS) employing a standard monolithic microwave ...
Benakaprasad, Bhavana, Eblabla, Abdalla, Elgaid, Khaled, Guiney, Ivor, Humphreys, Colin, Li, Xu, Wallis, David J.   +6 more
core   +1 more source

Multi-Poly-Silicon-Layer-Based Spot-Size Converter for Efficient Coupling Between Silicon Waveguide and Standard Single-Mode Fiber

IEEE Photonics Journal, 2016
A novel spot-size converter (SSC) incorporating a phase-matched polycrystalline-silicon (Poly-Si) multilayer is proposed and optimized for efficient nanophotonic coupling, which can be fabricated by using the complementary metal–oxide– ...
Weifeng Jiang, Niharika Kohli, Xiaohan Sun, B. M. Azizur Rahman   +3 more
doaj   +1 more source

Waveguide-integrated mid-infrared photodetection using graphene on a scalable chalcogenide glass platform

Nature Communications, 2022
Mid-infrared photonic integrated circuits (PICs) are important for sensing and optical communications, but their operational wavelengths are usually limited below 4 μm.
Jordan Goldstein, Hongtao Lin, Skylar Deckoff-Jones, Marek Hempel, Ang-Yu Lu, Kathleen A. Richardson, Tomás Palacios, Jing Kong, Juejun Hu, Dirk Englund   +9 more
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Wireless aquatic navigator for detection and analysis (WANDA) [PDF]

, 2010
The cost of monitoring and detecting pollutants in natural waters is of major concern. Current and forthcoming bodies of legislation will continue to drive demand for spatial and selective monitoring of our environment, as the focus increasingly moves ...
Al-Bahry, Austin, Bailey, Bardyn, Brian Corcoran, Byrne, Byrne, Ciarán Ó Conaire, Cleary, Cormac Fay, Dermot Diamond, Diamond, Diamond, Durrant-Whyte, EPA, Fortner, Geoff Spinks, Gonzalez, Gordon Wallace, Greg Coleman, Gursel Alici, Hayden, Hayes, Hayes, Hoyer, Kevin McGuinness, King-Tong Lau, Lau, McGovern, McGraw, Noel E. O’Connor, Palacio, Rod Shepherd, Safavi, Scott McGovern, Smela, Smith, Stephen Beirne, Stich, Sun Microsystems, SUN Microsystems, Wainwright, Zhang   +42 more
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Smart vest for respiratory rate monitoring of COPD patients based on non-contact capacitive sensing [PDF]

, 2018
In this paper, a first approach to the design of a portable device for non-contact monitoring of respiratory rate by capacitive sensing is presented.
Barbarov-Rostán, Gerardo, Cejudo Ramos, Pilar, Márquez, Martín, Eduardo, Naranjo Hernández, David, Ortega Ruiz, Francisco, Reina Tosina, Luis Javier, Roa Romero, Laura María, Talaminos Barroso, Alejandro   +7 more
core   +1 more source

Robust beamforming design for UAV communications based on integrated sensing and communication

EURASIP Journal on Wireless Communications and Networking, 2023
Integrated sensing and communication (ISAC) has been a promising technique in various wireless communication applications. In this paper, we investigate a beamforming design method based on ISAC waveforms in unmanned aerial vehicle (UAV) communications ...
Haolin Zhang, Tao Yang, Xiaofeng Wu, Ziyu Guo, Bo Hu   +4 more
doaj   +1 more source

Narrow beam and low-sidelobe electro-optic beam steering on thin-film lithium niobate optical phased array

Opto-Electronic Science
Optical beam steering has become indispensable in free-space optical communications, light detection and ranging (LiDAR), mapping, and projection.
Yang Li, Shiyao Deng, Xiao Ma, Ziliang Fang, Shufeng Li, Weikang Xu, Fangheng Fu, Xu Ouyang, Yuming Wei, Tiefeng Yang, Heyuan Guan, Huihui Lu   +11 more
doaj   +1 more source