Future Network Architectures


La Salle R&D activities regarding future networks architectures follow two lines: the design of mechanisms to provide efficient media content delivery and seamless multiple services integration; and focusing the access network, OFDMA based adaptive schemes and its implementation in software defined radio platforms. La Salle R&D is aiming at designing mechanisms that help ICN architectures to provide media content efficiently from the point of view of network providers. On the other hand, they will also permit easier publication mechanisms for content providers, and will enable a transparent provisioning of advanced multimedia services. This issue includes the negotiation mechanisms (including content discovery, content resolution and path management) for fulfilling the QoE/QoS demanded by the users. IT will provide alternatives to consumers, allowing them to choose the content and service that best meets their needs, and provides the best performance for their specific context (type of user, device, application, access network). Besides the optimized allocation of caching functionalities in the network (intrinsic in ICNs design), La Salle R&D is also considering a seamless integration of other media services (encoding/decoding, transcoding, synchronization, metadata management, etc.) in the network (in specific active nodes), for the sake of obtaining more adapted media provisioning. It should permit to search for media services that involve high requirements from the network (high availability, low latency and fast-reroute upon a network failure), and to negotiate and reserve the network resources that allow provisioning of the end service in the demanded conditions. Moreover, La Salle R&D is focused in the radio access networks, specifically in OFDM and Spread Spectrum adaptive modulation and coding schemes, as well as in cross-layer solutions in order to cope with the upper layer QoS demand while maximizing spectrum efficiency and agile/opportunistic spectrum exploitation. Software defined radio platforms are also developed in order to test previous solutions of physical and medium access control implementations in FPGA and upper layer functionalities in soft-processors implemented in configurable logic or in hard standard solutions.

Smart Cities Agustin Zaballos zaballos@salle.url.edu zaballos@salle.url.edu

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