Results 71 to 80 of about 89,034 (232)

Reliability and Sensitivity Analysis of Wireless Sensor Network Using a Continuous-Time Markov Process

Mathematics
A remarkably high growth has been observed in the uses of wireless sensor networks (WSNs), due to their momentous potential in various applications, namely the health sector, smart agriculture, safety systems, environmental monitoring, military ...
Amit Kumar, Sujata Jadhav, Omar Mutab Alsalami   +2 more
doaj   +1 more source

Optimization on fixed low latency implementation of GBT protocol in FPGA

, 2016
In the upgrade of ATLAS experiment, the front-end electronics components are subjected to a large radiation background. Meanwhile high speed optical links are required for the data transmission between the on-detector and off-detector electronics.
Chen, Hucheng, Chen, Kai, Wu, Weihao, Xu, Hao, Yao, Lin   +4 more
core   +1 more source

Scalable low‐cost seabed landers: the missing link for sustained, integrated, long‐term observations in dynamic shallow seas

Remote Sensing in Ecology and Conservation, EarlyView.
Seabed landers, when equipped with a range of biotic and abiotic sensors, offer a non‐invasive and cost‐effective solution for ecosystem‐scale monitoring of Essential Biodiversity Variables (EBVs) and Essential Ocean Variables (EOVs) in dynamic shallow seas.
Arienne Calonge, Roeland Develter, Carlota Muñiz, Clea Parcerisas, Jan Reubens, Wieter Boone, Klaas Deneudt, Elisabeth Debusschere   +7 more
wiley   +1 more source

Transceiver Optimization for Multiuser Multiple-Input Multiple-Output Full-Duplex Amplify-and-Forward Relay Downlink Communications

Telecom
This paper considers the transceiver design in a multiuser multiple-input multiple-output (MIMO) full-duplex (FD) amplify-and-forward (AF) relay downlink communication system, where users simultaneously transmit data via an FD relay node.
Yunlong Shao, Thomas Aaron Gulliver
doaj   +1 more source

Achievable Rate of Rician Large-Scale MIMO Channels with Transceiver Hardware Impairments [PDF]

, 2015
Transceiver hardware impairments (e.g., phase noise, in-phase/quadrature-phase (I/Q) imbalance, amplifier non-linearities, and quantization errors) have obvious degradation effects on the performance of wireless communications.
Björnson, Emil, Dai, Linglong, Wang, Zhaocheng, Zhang, Jiayi, Zhang, Xinling   +4 more
core   +2 more sources

Beyond 5G and Non‐terrestrial Network (NTN) Integrated Architecture: Access Challenges for Expanding Artificial Intelligence of Things (AIoT)

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT This study analyzes the architecture of the beyond 5G‐NTN (Non‐terrestrial Network) integrated network and presents the technical, legal, and regulatory challenges and considerations for expanding the Artificial Intelligence of Things (AIoT) ecosystem.
Byung Woon Kim, Ga Eun Choi
wiley   +1 more source

Mechanically Adjustable 4-Channel RF Transceiver Coil Array for Rat Brain Imaging in a Whole-Body 7 T MR Scanner

Sensors
Investigations of human brain disorders are frequently conducted in rodent models using magnetic resonance imaging. Due to the small specimen size and the increase in signal-to-noise ratio with the static magnetic field strength, dedicated small-bore ...
Sigrun Roat, Lena Nohava, Elmar Laistler
doaj   +1 more source

High‐performance electro‐optic materials featuring enhanced thermal stability through dual‐donor structural crosslinking engineering

Smart Molecules, EarlyView.
A groundbreaking dual‐donor crosslinking strategy was reported to significantly enhance the thermal stability, achieving remarkable EO coefficients (257–301 pm/V), glass transition temperatures (Tg) ranging from 107–187°C, and ultrahigh chromophore densities (3.73–4.26 × 10²⁰ molecules/cm³) with exceptional long‐term stability after 500 h at 85°C ...
Yu Zhang, Ziyun Zheng, Zhihan Huang, Zhifan Liu, Youling Chen, Fuyang Huo, Fenggang Liu, Xiubin Xu   +7 more
wiley   +1 more source

A 140-GHz Transceiver Front-End in 45-nm RFSOI CMOS Using Antenna Power Combining and Leakage Cancellation

IEEE Access
In this paper we present a 140 GHz transceiver front-end in 45 nm SOI CMOS. The transmitter achieves a measured an EIRP of 15 dBm using on-antenna and in-air power combining techniques in a multi-port slot-dipole-array without ...
Vincent Lammert, Michael Leyrer, Vadim Issakov   +2 more
doaj   +1 more source

THE RESEARCH OF TRANSMISSION OF DVB-C TELEVISION SIGNALS BASED ON THE PROTOTYPE OF TRANSCEIVER OPERATING IN THE LOWER PART OF TERAHERTZ BAND

Information and Telecommunication Sciences, 2016
Background. Currently digital microwave radio relay links operating in centimeter bands and in the lower part of millimeter bands (3.4 - 40.5 GHz) are widely used in the leading countries to construct their telecommunication infrastructure.
Gleb Avdeyenko, Anton Ermakov, Theodor Narytnik   +2 more
doaj   +1 more source