Results 61 to 70 of about 1,178,346 (193)

On the Zero-Outage Secrecy-Capacity of Dependent Fading Wiretap Channels

, 2022
It is known that for a slow fading Gaussian wiretap channel without channel state information at the transmitter and with statistically independent fading channels, the outage probability of any given target secrecy rate is non-zero, in general.
Pin-Hsun Lin, Eduard Jorswieck, Karl-Ludwig Besser   +2 more
core   +1 more source

Modeling Analysis for Downlink RIS-UAV-Assisted NOMA over Air-to-Ground Line-of-Sight Rician Channels

Drones
This paper proposes a drone-assisted NOMA communication system equipped with a reconfigurable intelligent surface (RIS). Given the Line-of-Sight nature of the Air-to-Ground link, a more realistic Rician fading environment is chosen for the study of ...
Suoping Li, Xiangyu Liu, Jaafar Gaber, Guodong Pan   +3 more
doaj   +1 more source

Secrecy Outage Performance Analysis for Cooperative NOMA Over Nakagami- $m$ Channel

IEEE Access, 2019
In this paper, we investigate the secrecy outage performance of a typical cooperative downlink non-orthogonal multiple access (NOMA) system over Nakagami-m fading channel, in which the base station transmits a superimposed signal to two users via a relay.
Chao Yu, Hak-Lim Ko, Xin Peng, Wenwu Xie
doaj   +1 more source

Mechanism of Quasi‐Power‐Frequency Resonant Overvoltage Triggered by Multiple Lightning Strikes in High‐Voltage Alternating Current Systems Equipped With Shunt Reactor

High Voltage, EarlyView.
ABSTRACT This paper investigates the generation mechanism of quasi‐power‐frequency resonant overvoltage triggered by multiple lightning strikes in high‐voltage alternating current (HVAC) systems equipped with shunt reactors. Based on field measurements from a 500 kV AC system, equivalent and simplified circuit models have been established to analyse ...
Tao Liang, Tao Cui, Zhengxi Wang, Tongwei Guo, Xiaohui Wu, Hong Zeng, Jie Guo, Yanzhao Xie   +7 more
wiley   +1 more source

Salt Cavern Hydrogen Storage for Renewable‐Dominated Smart Energy Systems

IET Smart Energy Systems, EarlyView.
Salt cavern hydrogen storage enables large‐scale, long‐duration energy storage by integrating renewable electricity, electrolysis and hydrogen‐to‐power conversion. It provides multi‐timescale flexibility, supports clean firm capacity and enhances resilience in renewable‐dominated power systems.
Chuanbo Xu, Yuhao Hu, Jiyuan Liu, Nian Liu, Pengfei (Alexis) Zhao   +4 more
wiley   +1 more source

Secrecy Outage Probability Analysis for Downlink RIS-NOMA Networks With On-Off Control

IEEE Transactions on Vehicular Technology, 2023
Reconfigurable intelligent surface (RIS) has been regarded as a promising technology since it has ability to create the favorable channel conditions. This paper investigates the secure communications of RIS assisted non-orthogonal multiple access (NOMA) networks, where both external and internal eavesdropping scenarios are taken into consideration ...
Yingjie Pei, Xinwei Yue, Wenqiang Yi, Yuanwei Liu, Xuehua Li, Zhiguo Ding 0001   +5 more
openaire   +2 more sources

Alternative Contract Design: Analysing the Bankability of Fungible Derivative Contracts in Energy‐Only Markets

Australian Journal of Agricultural and Resource Economics, EarlyView.
ABSTRACT With the retirement of 21GW of legacy coal fleet looming, the task to replace Australia's thermal capacity with alternative firmed renewable ‘bulk energy’ solutions is non‐trivial. Indeed, calibrating necessary capital investment in new plant stock with efficient economic outcomes, vis‐à‐vis cost and reliability, represents a fundamental ...
Nicholas Gohdes, Tim Nelson, Phillip Hirschhorn   +2 more
wiley   +1 more source

Physical Layer Security Scheme Based on Jointly Optimal Relay Selection [PDF]

Jisuanji gongcheng, 2019
To improve the security level of information transmission in Cognitive Radio(CR) networks,a physical layer security scheme based on jointly optimal transmission relay and interference relay selection is proposed.This paper considers a primary network in ...
WANG Shaodi,GAO Baojian,ZHANG Yucheng,ZHAO Ze
doaj   +1 more source

Make or Buy Decisions and Data Sharing

The Journal of Industrial Economics, EarlyView.
ABSTRACT Firms can share data to discover potential synergies between their data sets and algorithms, eventually leading to more efficient mergers and acquisitions (M&A) decisions. However, data sharing also modifies the competitive balance when firms do not merge, and a company may be reluctant to share data with potential rivals.
Antoine Dubus, Patrick Legros
wiley   +1 more source

Secrecy outage probability of cognitive small-cell network with unreliable backhaul connections

, 2019
In this paper, we investigate the secrecy performance of underlay cognitive small-cell radio network with unreliable backhaul connections. The secondary cognitive small-cell transmitters are connected to macro base station by wireless backhaul links. The
Kundu, Chinmoy, Zhang, Jinghua, Garcia-Palacios, Emi   +2 more
core   +1 more source