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This letter proposes a novel idea targeting WiFi users operating in the Long Term Evolution (LTE) licensed band, which we refer to as WiFi-Lic. It aims to address the coexistence challenge, by considering a scenario where WiFi users are able to exploit licensed LTE uplink band. We introduce new system characterization parameters and decision metrics for the so-called WiFi-Lic users that not only overcome...
This paper addresses the current regulatory framework, research activities and standardization efforts towards a shared use of radio spectrum in the European Union. Two main research streams are considered: The emerging concept of Licensed Shared Access that ensures a predictable Quality of Service for secondary users of spectrum and the opportunistic Device-to-Device communications that represent...
The regulatory scenario in Europe is very diverse, and hence innovative solutions to address harmonization and coexistence issues become crucial for the successful exploitation of the TV white spaces (TVWS) among member states. This paper introduces the approach of the European Commission funded COGEU (COgnitive radio systems for efficient sharing of TV white spaces in EUropean context) project in...
Radio spectrum license is multi-dimensional in nature. This suggests that matching a bid to buy and an offer to sell has to be done across the multiple dimensions to maximize spectrum usage in terms of economic efficiency. In addition, creating a functioning secondary market for trading spectrum requires an intermediary for both pooling the resources and matching the supply and demand sides of the...
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