VTP-CSMA: A virtual token passing approach for real-time communication in IEEE 802.11 wireless networks

R Moraes, F Vasques, P Portugal… - IEEE Transactions on …, 2007 - ieeexplore.ieee.org
Currently, there is a trend towards the implementation of industrial communication systems
using wireless networks. However, kee** up with the timing constraints of real-time traffic …

Modeling and simulation of the IEEE 802.11 e wireless protocol with hidden nodes using Colored Petri Nets

E Coronado, V Valero, L Orozco-Barbosa… - Software and Systems …, 2021 - Springer
Wireless technologies are continuously evolving, including features such as the extension to
mid-and long-range communications and the support of an increasing number of devices …

Limitations of the IEEE 802.11 DCF, PCF, EDCA and HCCA to handle real-time traffic

R Costa, P Portugal, F Vasques… - 2015 IEEE 13th …, 2015 - ieeexplore.ieee.org
The IEEE 802.11 standard has been evolving over the past decade, introducing a set of new
mechanisms at the MAC layer to improve the Quality of Service (QoS) provided to the …

An evaluation of QoS for intensive video traffic over 802.11 e WLANs

S Perez, H Facchini, A Dantiacq… - 2015 International …, 2015 - ieeexplore.ieee.org
With the continuing development of the wireless technologies (Wi-Fi, 3G, 4G, WiMax and
Bluethooth), the study of wireless multimedia transmissions has gained lately more attention …

Simulation analysis of the IEEE 802.11 e EDCA protocol for an industrially-relevant real-time communication scenario

R Moraes, P Portugal, F Vasques - 2006 IEEE Conference on …, 2006 - ieeexplore.ieee.org
The IEEE 802.11 e standard was published as an amendment to the original IEEE 802.11
standard. This amendment is intended to provide differentiated levels of QoS to the …

CT-SIM: A simulation model for wide-scale cluster-tree networks based on the IEEE 802.15. 4 and ZigBee standards

E Leão, R Moraes, C Montez… - International …, 2017 - journals.sagepub.com
The IEEE 802.15. 4/ZigBee set of standards is one of the most used wireless sensor network
technologies. This set of standards supports cluster-tree networks, which are suitable …

[PDF][PDF] Assessment of the IEEE 802.11 e EDCA protocol limitations when dealing with real-time communication

R Moraes, P Portugal, F Vasques… - EURASIP Journal on …, 2010 - Springer
The timing behavior of the EDCA mechanism defined in the IEEE 802.11 e standard is
analyzed. More specifically, the target of this paper is to evaluate the limitations of the …

Limitations of the IEEE 802.11 e EDCA protocol when supporting real-time communication

R Moraes, P Portugal, F Vasques… - … Workshop on Factory …, 2008 - ieeexplore.ieee.org
In this paper, we analyze the timing behavior of the EDCA communication mechanism
defined in the IEEE 802.11 e standard, when it is used to support real-time (RT) traffic. In the …

Experimental Evaluation of the Coexistence of IEEE 802.11 EDCA and DCF Mechanisms

JRB Junior, J Lau, L de Oliveira Rech… - … IEEE Symposium on …, 2018 - ieeexplore.ieee.org
The IEEE 802.11 standard is the most widely-used wireless technology in the industry. In the
last few years, this standard has been subject to multiple revisions to improve the supported …

A forcing collision resolution approach able to prioritize traffic in CSMA-based networks

R Moraes, F Vasques, P Portugal, PF Souto - Computer Communications, 2010 - Elsevier
In this paper, a new Traffic Separation mechanism (TSm) is proposed for CSMA-based
networks. The TSm mechanism is intended to be used as an underlying traffic separation …