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A group-based wireless body sensors network using energy harvesting for soccer team monitoring

Lloret, Jaime; García Pineda, Miguel; Catala Monzo, Angel; Rodrigues, Joel José Puga Coelho (Inderscience Enterprises Ltd., 2016)

[EN] In team-based sports, it is difficult to monitor physical state of each athlete during the match. Wearable body sensors with wireless connections allow having low-power and low-size devices, that may use energy ...
A hybrid NFC-Bluetooth secure protocol for credit transfer among mobile phones

Monteiro, David M.; Rodrigues, Joel J. P. C.; Lloret, Jaime; Sendra, Sandra (Wiley: 12 months, 2014-02)

The next-generation networks improve people's quality of life with new services and applications. The evolution of Internet technologies also promoted the development of electronic commerce and the evolution of mobile ...
A mobile anchor assisted localization algorithm based on regular hexagon in wireless sensor networks

Han, Guangjie; Zhang, Chenyu; Lloret, Jaime; Shu, Lei; Rodrigues, Joel J. P. C. (Hindawi Publishing Corporation, 2014)

Localization is one of the key technologies in wireless sensor networks (WSNs), since it provides fundamental support for many location-aware protocols and applications. Constraints of cost and power consumption make it ...
A Network Access Control Framework for 6LoWPAN Networks

Oliveira, Luis M. L.; Rodrigues, Joel J. P. C.; de Sousa, Amaro F.; Lloret, Jaime (MDPI, 2013-01)

Low power over wireless personal area networks (LoWPAN), in particular wireless sensor networks, represent an emerging technology with high potential to be employed in critical situations like security surveillance, ...
A Network Algorithm for 3D/2D IPTV Distribution using WiMAX and WLAN Technologies

Lloret, Jaime; Cánovas Solbes, Alejandro; Rodrigues, Joel J. P. C.; Lin, Kai (Springer Verlag (Germany), 2013-11)

The appearance of new broadband wireless technologies jointly with the ability to offer enough quality of service to provide IPTV over them, have made possible the mobility and ubiquity of any type of device to access the ...
A QoS-Based Wireless Multimedia Sensor Cluster Protocol

Díaz Santos, Juan Ramón; Lloret, Jaime; Jimenez, Jose M.; Rodrigues, Joel J. P. C. (Hindawi Publishing Corporation, 2014)

Wireless Sensor Networks (WSNs) provide a wireless network infrastructure for sensed data transport in environments where wired or satellite technologies cannot be used. Because the embedded hardware of the sensor nodes ...
A wireless sensor network deployment to detect the degeneration of cement used in construction

Sendra, Sandra; Lloret, Angel T.; Lloret, Jaime; Rodrigues, J. J. P. C. (Inderscience, 2014)

During last few years, the high environmental humidity and salinity in areas close to the sea have caused degeneration of the construction materials. Due to this, several building have collapsed. Several studies demonstrated ...
Architecture and protocol for intercloud communication

Lloret, Jaime; García Pineda, Miguel; Tomás Gironés, Jesús; Rodrigues, Joel J. P. C. (Elsevier, 2014-02-10)

A cloud does not have infinite computational and storage resources in its infrastructure. If it saturates, it will not be able to satisfy new requests for service allocations sent by its customers. Clouds should interrelate ...
Cross-layer Dynamic Admission Control for Cloud-based Multimedia Sensor Networks

Mendes, Lucas D. P.; Rodrigues, Joel J. P. C.; Lloret, Jaime; Sendra Compte, Sandra (Institute of Electrical and Electronics Engineers (IEEE), 2014-03)

Cloud-based communications system is now widely used in many application fields such as medicine, security, environment protection, etc. Its use is being extended to the most demanding services like multimedia delivery. ...
Denial of service mitigation approach for IPv6-enabled smart object networks

Oliveira, Luis M. L.; Rodrigues, Joel J. P. C.; de Sousa, Amaro F.; Lloret, Jaime (Wiley, 2013-01)

Denial of service (DoS) attacks can be defined as any third-party action aiming to reduce or eliminate a network's capability to perform its expected functions. Although there are several standard techniques in traditional ...
Design and deployment of a smart system for data gathering in aquaculture tanks using wireless sensor networks

Parra-Boronat, Lorena; Sendra, Sandra; Lloret, Jaime; Rodrigues, Joel José Puga Coelho (John Wiley & Sons, 2017)

[EN] The design of monitoring systems for marine areas has increased in the last years. One of the many advantages of wireless sensor networks is the quick process in data acquisition. The information from sensors can be ...
Distributed Database Management Techniques for Wireless Sensor Networks

Diallo, Ousmane; Rodrigues, Joel J. P. C.; Sene, Mbaye; Lloret, Jaime (Institute of Electrical and Electronics Engineers (IEEE), 2013-08)

In sensor networks, the large amount of data generated by sensors greatly influences the lifetime of the network. In order to manage this amount of sensed data in an energy-efficient way, new methods of storage and data ...
Distributed Media-Aware Flow Scheduling in Cloud Computing Environment

Puga Coelho Rodrigues, Joel José; Zhou, L.; Mendes, L. D. P.; Lin, K.; Lloret, Jaime (ELSEVIER SCIENCE BV, 2012)

Media-aware flow scheduling in cloud computing environment has attracted much attention nowadays because of the new possibilities they bring to many research and industry fields. Particularly, body area networks, as a ...
Fault tolerant mechanism for multimedia flows in wireless ad hoc networks based on fast switching paths

Díaz Santos, Juan Ramón; Lloret, Jaime; Jimenez, Jose M.; Sendra, Sandra; Rodrigues, Joel J. P. C. (Hindawi Publishing Corporation, 2014)

Multimedia traffic can be forwarded through a wireless ad hoc network using the available resources of the nodes. Several models and protocols have been designed in order to organize and arrange the nodes to improve ...
LPTA: Location predictive and time adaptive data gathering scheme with mobile sink for wireless sensor networks

Zhu, Chuan; Wang, Yao; Han, Guangjie; Rodrigues, Joel J. P. C.; Lloret, Jaime (Hindawi Publishing Corporation, 2014)

This paper exploits sink mobility to prolong the lifetime of sensor networks while maintaining the data transmission delay relatively low. A location predictive and time adaptive data gathering scheme is proposed. In this ...
Performance Assessment of Fragmentation Mechanisms for Vehicular Delay-Tolerant Networks

Dias, Joao A. F. F.; Rodrigues, Joel J. P. C.; Isento, Joao N.; Pereira, Paulo R. B. A.; Lloret, Jaime (SpringerOpen, 2011)

[EN] Vehicular Delay-Tolerant Networks (VDTNs) are a new approach for vehicular communications where vehicles cooperate with each other, acting as the communication infrastructure, to provide low-cost asynchronous opportunistic ...
Replication-Aware Data Dissemination for Vehicular Ad Hoc Networks using Location Determination

Kumar, Neeraj; Rodrigues, Joel J. P. C.; Lloret, Jaime; Dua, Amit (Springer Verlag (Germany), 2015-04)

Location determination is one of the most dif- ficult tasks to be achieved in Vehicular Ad Hoc networks (VANETs), as the nodes change their positions quickly due to high velocity. So, data dissemination to the ...
Simulation framework for real-time database on WSNs

Diallo, Ousmane; Rodrigues, Joel J. P. C.; Sene, Mbaye; Lloret, Jaime (Elsevier, 2014-03)

Wireless sensor networks (WSNs) have been the focus of many research works. Nowadays, because of the time-critical tasks of several WSN applications, one of the new challenges faced by WSNs is handling real-time storage ...
Smart Collaborative Mobile System for Taking Care of Disabled and Elderly People

Sendra Compte, Sandra; Granell Romero, Emilio; Lloret, Jaime; Rodrigues, Joel J. P. C. (Springer Verlag (Germany), 2014-06)

Official statistics data show that in many countries the population is aging. In addition, there are several illnesses and disabilities that also affect a small sector of the population. In recent years, researchers and ...
Underwater communications for video surveillance systems at 2.4 GHz

Sendra, Sandra; Lloret, Jaime; Jimenez, Jose M.; Rodrigues, Joel José Puga Coelho (MDPI, 2016-10)

Video surveillance is needed to control many activities performed in underwater environments. The use of wired media can be a problem since the material specially designed for underwater environments is very expensive. In ...