Results 1 to 10 of about 557,840 (145)

Labeling Diversity for 2x2 WLAN Coded-Cooperative Networks [PDF]

open access: yesRadioengineering, 2015
Labelling diversity is an efficient technique recently proposed in the literature and aims to improve the bit error rate(BER) performance of wireless local area network (WLAN) systems with two transmit and two receive antennas without increasing the ...
S. Ejaz, FengFan Yang, HongJun Xu
doaj   +4 more sources

Amplify-and-Forward Cooperative Diversity for Green UWB-Based WBSNs [PDF]

open access: yesThe Scientific World Journal, 2013
This paper proposes a novel green cooperative diversity technique based on suboptimal template-based ultra-wideband (UWB) wireless body sensor networks (WBSNs) using amplify-and-forward (AF) relays.
Heba Shaban, Mohamad Abou El-Nasr
doaj   +2 more sources

Developing Cost-Effective and High-Speed 40 Gbps FSO Systems Incorporating Wavelength and Spatial Diversity Techniques

open access: yesFrontiers in Physics, 2021
Free-space optical (FSO) communication systems are being anticipated to offer promising alternatives to existing radio networks in delivering high-speed data access to end-users.
Satish Kumar Modalavalasa   +5 more
doaj   +1 more source

Link and Loss Aware GW-COOP Routing Protocol for FANETs

open access: yesIEEE Access, 2021
The dynamic network topology of Flying Ad hoc Networks (FANETs) leads to challenges during communications. This becomes complicated when dealing with multiple transmission paths and relays.
Shahzad Hameed   +8 more
doaj   +1 more source

On the Cooperative Relaying Strategies for Multi-Core Wireless Network-on-Chip

open access: yesIEEE Access, 2021
Recently, hybrid wired-wireless Network-on-Chip (WiNoC) has been proposed as a suitable communication fabric to provide scalability and satisfy high performance demands of the exascale era of modern multi/many-core System-on-Chip (SoC) design.
Quoc-Tuan Vien   +3 more
doaj   +1 more source

The Influence of Student Diversity on Applying Cooperative Learning in Ethiopian Polytechnic Colleges

open access: yesEducation Sciences, 2023
Cooperative learning is more effective in a well-managed classroom with diverse ethnic, linguistic, and religious backgrounds. To that end, this study examined the state of applications of cooperative learning and student diversity in polytechnic ...
Getachew Robo Gebremariam   +2 more
doaj   +1 more source

Log Likelihood Ratio Based Relay Selection Scheme for Amplify and Forward Relaying with Three State Markov Channel

open access: yesFuture Internet, 2018
This paper presents log likelihood ratio (LLR) based relay selection scheme for a cooperative amplify and forward relaying system. To evaluate the performance of the aforementioned system model, a three state Markov chain based fading environment has ...
Manish Sahajwani   +2 more
doaj   +1 more source

Optimal Relay Selection using jellyfish Optimization Algorithm for Image Transmission over Multiuser Cooperative Communication Networks [PDF]

open access: yesJES: Journal of Engineering Sciences, 2023
A recent study and research have shown that the relay selection schemes for cooperative communication can achieve full cooperative diversity gains and still maintains energy efficiency.
fatma mohamed   +2 more
doaj   +1 more source

An Optimized Relay Selection Technique to Improve the Communication Reliability in Wireless Sensor Networks

open access: yesSensors, 2018
Wireless Sensor Networks (WSN) are enabler technologies for the implementation of the Internet of Things (IoT) concept. WSNs provide an adequate infrastructure for the last-link communication with smart objects.
Suelen Laurindo   +4 more
doaj   +1 more source

Exploiting Outage and Error Probability of Cooperative Incremental Relaying in Underwater Wireless Sensor Networks

open access: yesSensors, 2016
This paper embeds a bi-fold contribution for Underwater Wireless Sensor Networks (UWSNs); performance analysis of incremental relaying in terms of outage and error probability, and based on the analysis proposition of two new cooperative routing ...
Hina Nasir   +6 more
doaj   +1 more source

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