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 ...
Hernández, Luis; Baladrón Zorita, Carlos; Aguiar Pérez, Javier Manuel; Carro, Belén; Sanchez-Esguevillas, Antonio; Lloret, Jaime; Chinarro, David; Gómez Sanz, Jorge; Cook, Diane(Institute of Electrical and Electronics Engineers (IEEE), 2013-01)
[EN] Recent technological advances in the power generation and information technologies areas are helping to change the modern electricity supply system in order to comply with higher energy efficiency and sustainability ...
[EN] The transformation of the tacit knowledge of a company's human resources into permanent organizational capital in spite of possible staff turnover is of business interest. This research focuses on the management of ...
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, ...
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 ...
Last improvements on video codecs, jointly with the use of optimized transport protocols, have brought
us to provide IPTV in wireless networks. Moreover, cellular phone users are being accustomed to have all
Internet ...
[EN] Due to their many advantages, WSNs are getting more and more
important in the field of monitoring and control systems. Despite their many
advantages WSNs have some disadvantages that need to be solved. Trust-based
networking ...
García-Navas, José Luis; Botella-Campos, Marta; Rego, Albert; Sendra, Sandra; Lloret, Jaime(Institute of Advanced Engineering and Science, 2021-12)
[EN] In this paper, a novel solution to avoid new infections is presented. Instead of tracing users¿ locations, the presence of individuals is detected by analysing the voices, and people¿s faces are detected by the camera. ...
Barambones, Carlos; García-García, Laura; Jimenez, Jose M.; Lloret, Jaime(Macrothink Institute, 2016-06-30)
[EN] One of the main necessities in IP networks is the lack of tools to test the performance of the network when it is already implemented. Network management tools are generally used when it is required to test what happens ...
The increasing number of information available at libraries and the necessity to find a
mechanism to look for information at several libraries at the same time promoted to the
creation of the Z39.50 protocol. Since it ...
[EN] Aiming at the limitations of the existing Limited Feedback Interference Alignment algorithms, this paper proposes a direct codeword selection scheme that maximizes the lower-bound of the user rate and reduces the sum ...
[EN] The 2D precoding technology can only adjust the beam in a horizontal direction through data processing, which will cause serious problems for multiuser systems, especially at the edge of the base station it will cause ...
Qiu, Tie; Li, Bolun; Zhou, Xiaobo; Song, Houbing; Lee, Ivan; Lloret, Jaime(Institute of Electrical and Electronics Engineers, 2020-05)
[EN] The Internet of Things integrates a large number of distributed nodes to collect or transmit data. When the network scale increases, individuals use multiple sink nodes to construct the network. This increases the ...
Choudhury, Nikumani; Matam, Rakesh; Mukherjee, Mithun; Lloret, Jaime(Institute of Electrical and Electronics Engineers, 2020-02-27)
[EN] The IEEE 802.15.4 standard is one of the widely adopted networking specification for Internet of Things (IoT). It defines several physical layer (PHY) options and medium access control (MAC) sub-layer protocols for ...
[EN] The development of the smart devices had led to demanding high-quality streaming videos over wireless communications. In Multimedia technology, the Ultra-High Definition (UHD) video quality has an important role due ...
[EN] Video streaming requires reliable transmission and a steady network to satisfy the video users and applications QoS needs. The network service must provide and meet a certain level of performance to accommodating these ...
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 ...
García-Magariño, Iván; Nasralla, Moustafa M.; Lloret, Jaime(Institute of Electrical and Electronics Engineers, 2021-02)
[EN] The upcoming avenue of IoT, with its massive generated data, makes it really hard to train centralized systems with machine learning in real time. This problem can be addressed with learning-based edge computing systems ...
[EN] The excessive use of chemical fertilizers can lead to severe environmental damages. In recent decades, the application of biostimulants to improve soil composition and stimulate plant growth has contributed significantly ...
[EN] Nowadays, network infrastructures such as Software Defined Networks (SDN) achieve a huge computational power. This allows to add a high processing on the network nodes. In this paper, a multimedia traffic management ...