Results 21 to 30 of about 1,236,123 (244)

End-to-End Physical Layer Authentication for Dual-Hop Wireless Networks

IEEE Access, 2019
End-to-end (E2E) physical layer authentication for multi-hop wireless networks is still not well-explored by now. Like one step forward in this direction, this paper focuses on the E2E physical layer authentication in a dual-hop wireless network with an ...
Pinchang Zhang, Jinxiao Zhu, Yin Chen, Xiaohong Jiang   +3 more
doaj   +1 more source

Reconfigurable Intelligent Surface Reliable Cooperative Beamforming Based on Cascade/Parallel Hybrid Networking

IEEE Access, 2023
Reconfigurable intelligent surface (RIS) is regarded as one of the main enablers in the context of 6G wireless communications. It converts the conventionally uncontrolled wireless channel into a programmed channel.
Mostafa M. Elsherbini, Osama A. Omer, Mostafa Salah   +2 more
doaj   +1 more source

Channelization cascade

, 2018
The hierarchy of channel networks in landscapes displays features that are characteristic of non-equilibrium complex systems. Here we show that a sequence of increasingly complex ridge and valley networks is produced by a system of partial differential equations coupling landscape evolution dynamics with a specific catchment area equation.
Bonetti, Sara, Hooshyar, Milad, Camporeale, Carlo, Porporato, Amilcare   +3 more
openaire   +2 more sources

Path Loss Model for 3.5 GHz and 5.6 GHz Bands in Cascaded Tunnel Environments

Sensors, 2022
An important and typical scenario of radio propagation in a railway or subway tunnel environment is the cascaded straight and curved tunnel. In this paper, we propose a joint path loss model for cascaded tunnels at 3.5 GHz and 5.6 GHz frequency bands. By
Jingyuan Qian, Yating Wu, Asad Saleem, Guoxin Zheng   +3 more
doaj   +1 more source

Cascaded generalised-K fading channel

IET Communications, 2010
A versatile fading distribution that generalises many commonly used models for multi-path and shadow fading is the so-called generalised-K (KG) distribution. By considering the product of N independent but not necessarily identically distributed (n.i.d.) squared KG random variables (RVs), we derive exact closed-form expressions for the moment ...
Kostas Peppas 0001, Fotis I. Lazarakis, Antonis Alexandridis 0001, Kostas Dangakis   +3 more
openaire   +2 more sources

Statistics of cascaded Rayleigh fading channels with arbitrary correlation [PDF]

IET Communications, 2020
Exact expressions for the probability density function (PDF) and cumulative distribution function (CDF) of cascaded Rayleigh fading channels with arbitrary correlation but not necessarily identically distributed are derived. Furthermore, the PDF and CDF of the instantaneous signal‐to‐noise ratio are obtained.
Ibrahim Ghareeb, Jamal Darwish
openaire   +1 more source

Applied constant gain amplification in circulating loop experiments [PDF]

, 2009
The reconfiguration of channel or wavelength routes in optically transparent mesh networks can lead to deviations in channel power that may impact transmission performance.
Barry, Liam P., Smyth, Frank, Chandrasekhar, Sethumadhavan, Kilper, Daniel C.   +3 more
core   +2 more sources

Elimination of the chirp of optical pulses through cascaded nonlinearities in periodically poled lithium niobate waveguides

, 2010
We propose and demonstrate a novel method for the elimination of arbitrary frequency chirp from short optical pulses. The technique is based on the combination of two cascaded second-order nonlinearities in two individual periodically poled lithium ...
Lee, Kwang Jo, David J. Richardson, Gallo, Katia,, Periklis Petropoulos, Katia Gallo, Liu, Sheng, Petropoulos, Periklis, Gallo, Katia, Richardson, David J., Kwang Jo Lee, Sheng Liu   +10 more
core   +1 more source

Improving MRAM Performance with Sparse Modulation and Hamming Error Correction

Sensors
With the rise of the Internet of Things (IoT), smart sensors are increasingly being deployed as compact edge processing units, necessitating continuously writable memory with low power consumption and fast access times.
Nam Le, Thien An Nguyen, Jong-Ho Lee, Jaejin Lee   +3 more
doaj   +1 more source

Upper bound on the capacity of a cascade of nonlinear and noisy channels [PDF]

2015 IEEE Information Theory Workshop (ITW), 2015
The main change is to define the noise as bandlimited already in (8) rather than before (15).
Gerhard Kramer, Mansoor I. Yousefi, Frank R. Kschischang   +2 more
openaire   +3 more sources