Zobrazeno 1 - 10
of 50
pro vyhledávání: '"Marcelo M. Carvalho"'
Publikováno v:
IEEE Access, Vol 11, Pp 108475-108492 (2023)
Optimizing user quality of experience (QoE) for 360° videos faces two major roadblocks: inaccurate viewport prediction and viewers missing the plot of a story. To tackle these issues simultaneously, alignment edits have emerged as a promising soluti
Externí odkaz:
https://doaj.org/article/6ccff1760a9f4903aab4f6522b7cf831
Autor:
Lucas S. Brito, Marcelo M. Carvalho
Publikováno v:
IEEE Access, Vol 9, Pp 36308-36327 (2021)
Many applications could benefit from multi-hop communications through users' mobile devices. A key issue is how to incentivize users to cooperate in both routing and relay of messages by sharing their device's precious resources. Previous works on th
Externí odkaz:
https://doaj.org/article/65973bc323a7472794a8ac47e3c9a306
Publikováno v:
Sensors, Vol 22, Iss 15, p 5561 (2022)
The IEEE 802.11ah is an amendment to the IEEE 802.11 standard to support the growth of the Internet of Things (IoT). One of its main novelties is the restricted access window (RAW), which is a channel access feature designed to reduce channel content
Externí odkaz:
https://doaj.org/article/26c3ad96cee446d39617e35fa5fa3e37
Autor:
Itzel C. Olivos-Castillo, Ricardo Menchaca-Mendez, Rolando Menchaca-Mendez, Marcelo M. Carvalho, Mario E. Rivero-Angeles
Publikováno v:
IEEE Access, Vol 7, Pp 28452-28463 (2019)
We present the greedy optimal algorithm for contention resolution (GOAL-CR), a greedy algorithm that solves a variant of the standard contention resolution problem where a set of nodes want to access a shared resource only once, and the objective is
Externí odkaz:
https://doaj.org/article/c4d187bbd35b495fb808eab43cf83fca
Publikováno v:
Algorithms, Vol 13, Iss 12, p 323 (2020)
This work addresses the problem of using Unmanned Aerial Vehicles (UAV) to deploy a wireless aerial relay communications infrastructure for stations scattered on the ground. In our problem, every station in the network must be assigned to a single UA
Externí odkaz:
https://doaj.org/article/edbdee35ffb747a5b1c2e9d8925e852f
Publikováno v:
2022 18th International Conference on Mobility, Sensing and Networking (MSN).
Autor:
Myllena Prado, Lucas Althoff, Sana Alamgeer, Alessandro Rodrigues e Silva, Ravi Prakash, Marcelo M. Carvalho, Mylène C. Q. Farias
Publikováno v:
Proceedings of the Brazilian Symposium on Multimedia and the Web.
Publikováno v:
Proceedings of the 30th ACM International Conference on Multimedia.
Autor:
Marcelo M. Carvalho, Lucas S. Brito
Publikováno v:
IEEE Access, Vol 9, Pp 36308-36327 (2021)
Repositório Institucional da UnB
Universidade de Brasília (UnB)
instacron:UNB
Repositório Institucional da UnB
Universidade de Brasília (UnB)
instacron:UNB
Many applications could benefit from multi-hop communications through users' mobile devices. A key issue is how to incentivize users to cooperate in both routing and relay of messages by sharing their device's precious resources. Previous works on th
Publikováno v:
IEEE Transactions on Communications. 67:8394-8407
Carrier-Sense Multiple Access with Transmission Acquisition (CSMA/TA) and channel-access prioritization is presented. CSMA/TA is intended for wireless local area networks of stations endowed with half-duplex transceivers and single antennas. It lever