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Dive into the research topics where Jaime Jiménez is active.

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Featured researches published by Jaime Jiménez.


the internet of things | 2015

Gateway selection in capillary networks

Nicklas Beijar; Oscar Novo; Jaime Jiménez; Jan Melén

The world is adopting machine-type communication, wherein sensors and actuators blend seamlessly with the environment around us, bringing a new ubiquitous computing and communication era - a shift that is, to some extent, illustrated by the explosive growth of the Internet of Things (IoT). Capillary Networks play an important role in the growth of IoT, enabling wireless sensor networks to connect and use the capabilities of cellular networks through Capillary Gateways. In that sense, Capillary Gateways facilitate the seamless integration of wireless sensor networks with cellular networks. Therefore, an optimal selection of the Capillary Gateways by the wireless sensor network is crucial for balancing the load between the gateways and optimizing the end-to-end path through both networks. This paper describes a set of possible gateway selection architectures and presents an algorithm for determining the gateway selection based on policies and a set of constraints. Then, the paper describes our implementation of two selected architectures, discussing the solutions and challenges encountered during implementation. Finally, the paper evaluates the traffic and load generated by gateway selection.


green computing and communications | 2016

Enhancing Lightweight M2M Operations for Managing IoT Gateways

Bilhanan Silverajan; Mert Ocak; Jaime Jiménez; Antti Kolehmainen

Heterogeneity in constrained networks and gateways is perhaps one of the single greatest challenges facing end-to-end management of devices and networks in the IoT. Today, the Lightweight M2M (LWM2M) protocol, leveraged on open Internet standards, has become a strong contender for REST-based IoT management. However, significant challenges exist for remote gateway management, particularly for proxies and exposing proprietary or vendor-specific operations. This paper presents some effective solutions in LWM2M for overcoming these challenges, using object modelling and linking. The presented approaches are also validated with prototypes.


Archive | 2015

COMMUNICATING WITH A CONSTRAINED INTERNET DEVICE

Jaime Jiménez; Gonzalez Gonzalo Camarillo; Pascual Manuel Urueña


Archive | 2016

Publish-Subscribe Broker for the Constrained Application Protocol (CoAP)

Michael Koster; Jaime Jiménez


Archive | 2011

Machine-to-machine communication

Jouni Mäenpää; Jaime Jiménez


Archive | 2010

Searching in Peer to Peer Networks

Jaime Jiménez; Jani Hautakorpi; Jouni Mäenpää


Archive | 2011

Load balancing mechanism for service discovery mechanism in structured peer-to-peer overlay networks and method

Jouni Mäenpää; Jani Hautakorpi; Jaime Jiménez


RFC | 2015

A Constrained Application Protocol (CoAP) Usage for REsource LOcation And Discovery (RELOAD)

Gonzalo Camarillo; Jose M. Lopez-Vega; Jouni Mäenpää; Jaime Jiménez


Archive | 2014

Connection Mechanism for Energy-Efficient Peer-to-Peer Networks

Jaime Jiménez; Gonzalez Gonzalo Camarillo; Pascual Manuel Urueña


Archive | 2014

Message Queueing in the Constrained Application Protocol (CoAP)

Michael Koster; Ari Keränen; Jaime Jiménez

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