Results 21 to 30 of about 1,397 (129)

Secrecy DoF of Blind MIMOME Wiretap Channel With Delayed CSIT

open access: yesIEEE Transactions on Information Forensics and Security, 2018
We study the Gaussian multiple-input multiple-output multiple-eavesdropper wiretap channel where a transmitter wishes to communicate a confidential message to a legitimate receiver in the presence of eavesdroppers. Each node in the network is equipped with an arbitrary number of antennas.
Sina Lashgari, Amir Salman Avestimehr
openaire   +3 more sources

Outage behavior with delay and CSIT [PDF]

open access: yes2004 IEEE International Conference on Communications (IEEE Cat. No.04CH37577), 2004
The packet outage probability for fading channels can be significantly reduced by exploiting queuing delay and transmitter channel information is demonstrated in this paper. Queuing delay gain is conceptually similar to delay diversity, but at a packet time-scale instead of symbol time-scale.
D. Rajan, A. Sabharwal, B. Aazhang
openaire   +1 more source

Correlation analysis of olfactory function with cognitive function and motor symptoms in patients with Parkinson's disease

open access: yesChinese Journal of Contemporary Neurology and Neurosurgery, 2021
Objective To investigate the correlation of olfactory function and cognitive function and motor symptoms in patients with primary Parkinson's disease (PD).
CHEN Xing   +7 more
doaj   +1 more source

A Novel Tri-Staged RIA Scheme for Cooperative Cell Edge Users in a Multi-Cellular MIMO IMAC

open access: yesIEEE Access, 2022
In the real world of wireless communication systems, one solution to the practical limitation of interference alignment in terms of global channel state information at the transmitter (CSIT) requirement is to consider a linear precoding approach that ...
Vivek Menon U, Poongundran Selvaprabhu
doaj   +1 more source

Uplink Multiple Access for Reconfigurable Intelligent Surface‐Aided Wireless Systems

open access: yesWireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
The integration of reconfigurable intelligent surface‐ (RIS‐) aided wireless communication and multiple access is an attractive and promising scheme for next‐generation wireless networks. In this research work, separate uplink RIS‐aided nonorthogonal multiple access (NOMA) and uplink relay‐assisted NOMA schemes are studied, where the RIS and relay ...
Nhan Duc Nguyen   +3 more
wiley   +1 more source

Fairness‐Oriented Transmission Schemes for Multiuser MISO Broadcast Channels

open access: yesWireless Communications and Mobile Computing, Volume 2022, Issue 1, 2022., 2022
With the increasing number of Internet of Things (IoT), Industry 4.0 (I4.0), and mobile devices, it can be expected that base stations will have to serve more and more clients with a limited number of antennas. For their broadcast channels, nonorthogonal multiple access (NOMA) and blind interference alignment (BIA) are two efficient and commonly ...
Jianjian Wu   +5 more
wiley   +1 more source

Energy Efficiency Strategy for Big Data in Cloud Environment Using Deep Reinforcement Learning

open access: yesMobile Information Systems, Volume 2022, Issue 1, 2022., 2022
Big data entails massive cloud resources for data processing and analysis, which consumes more energy to run. The resources and tasks are increasing exponentially in the cloud environment for the processing of big data, which results in an increment in power consumption to run the cloud data center. So, there is always a scope for optimizing the energy
Neeraj Kumar Pandey   +6 more
wiley   +1 more source

Predicting Student Academic Performance at Higher Education Using Data Mining: A Systematic Review

open access: yesApplied Computational Intelligence and Soft Computing, Volume 2022, Issue 1, 2022., 2022
Recently, educational institutions faced many challenges. One of these challenges is the huge amount of educational data that can be used to discover new insights that have a significant contribution to students, teachers, and administrators. Nowadays, researchers from numerous domains are very interested in increasing the quality of learning in ...
Sarah A. Alwarthan   +3 more
wiley   +1 more source

Massive MIMO systems for 5G: A systematic mapping study on antenna design challenges and channel estimation open issues

open access: yesIET Communications, Volume 15, Issue 13, Page 1677-1690, August 2021., 2021
Abstract The next generation of mobile networks (5G) is expected to achieve high data rates, reduce latency, as well as improve the spectral and energy efficiency of wireless communication systems. Several technologies are being explored to be used in 5G systems.
Mohamed Benzaghta, Khaled M. Rabie
wiley   +1 more source

NOMA and OMA‐Based Massive MIMO and Clustering Algorithms for Beyond 5G IoT Networks

open access: yesWireless Communications and Mobile Computing, Volume 2021, Issue 1, 2021., 2021
The Internet of Things (IoT) has brought about various global changes, as all devices will be connected. This article examines the latest 5G solutions for enabling a massive cellular network. It further explored the gaps in previously published articles, demonstrating that to deal with the new challenges.
Taj Rahman   +6 more
wiley   +1 more source

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