Antoni Barba Marti

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—Heterogeneous wireless access networks (HWAN) will create a market for the delivery of an extensive collection of novel and attractive services and contents. Accounting and pricing the ubiquitous services will play a key role from both service providers and users point of view. By one hand, wireless service providers (WSP) look for the maximum revenue and(More)
While the field of plasmonics has grown significantly in recent years, the relatively high losses and limited material choices have remained a challenge for the development of many device concepts. The decay of plasmons into hot carrier excitations is one of the main loss mechanisms; however, this process offers an opportunity for the direct utilization of(More)
The evolution of wireless communications over the last years has resulted in a clear trend towards Beyond Third Generation (B3G) systems, supporting the integration and coexistence of multiple, diverse Radio Access Technologies (RATs) in a common composite radio environment. This integration gives user a great flexibility in choosing access cells with(More)
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