Results 21 to 30 of about 563,494 (333)

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

Diversity through coded cooperation [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2006
Motivated by the recent works on the relay channel and cooperative diversity, this letter introduces coded cooperation, where cooperation is achieved through channel coding methods instead of a direct relay or repetition. Each codeword is partitioned into two subsets that are transmitted from the user's and partner's antennas, respectively.
Todd E. Hunter, Aria Nosratinia
openaire   +1 more source

Policy Diversity for Cooperative Agents

open access: yes2023 IEEE Conference on Games (CoG), 2023
Standard cooperative multi-agent reinforcement learning (MARL) methods aim to find the optimal team cooperative policy to complete a task. However there may exist multiple different ways of cooperating, which usually are very needed by domain experts. Therefore, identifying a set of significantly different policies can alleviate the task complexity for
Mingxi Tan, Andong Tian, Ludovic Denoyer
openaire   +2 more sources

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

Cooperative diversity with opportunistic relaying [PDF]

open access: yesIEEE Wireless Communications and Networking Conference, 2006. WCNC 2006., 2006
In this paper, we present single-selection-opportunistic-relaying with decode-and-forward (DaF) and amplify-and-forward (AaF) protocols under an aggregate power constraint. We show that opportunistic DaF relaying is equivalent to the outage bound of the optimal DaF strategy using all potential relays.
Aggelos Bletsas   +3 more
openaire   +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

Multiuser Cooperative Diversity for Wireless Networks

open access: yesEURASIP Journal on Wireless Communications and Networking, 2006
Tellambura Chintha   +3 more
doaj   +2 more sources

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

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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