In the last years, UWB (Ultra-Wide Band) technology has been widely studied, thanks to its attractive features like low power consumption or high data rates. On the other hand, the coexistence issue has delayed the regulatory process in Europe and its development and introduction in the market. A peaceful coexistence is essential, not only for guaranteeing other radio services, but also for enabling the development of UWB applications interoperating with other wireless networks. Thus, interconnecting in the same device UWB and mobile network interface, like UMTS, will allow to widen the scope of WPAN applications, limited by the short range of UWB coverage. In this paper will be exposed the work performed in the development of an interworking platform between UWB and UMTS, which has allowed to carry out several coexistence tests, where UWB and UMTS was collocated in the same device.
The objective of this paper is to provide the reader with a vision of the envisaged work to be performed in the short/long term to fully integrate the UWB (Ultra-WideBand) radio technology into the future heterogeneous networks. In a first stage, the target will be the integration of the available commercial UWB devices with the state-of-the-art network technologies (HSPA (High-Speed Packet Access), WiMAX (Worldwide Interoperability for Microwave Access), ADSL2+ (Asymmetric Digital Subscriber Line 2+)), whereas in a second step, the focus will be on the inclusion of the advanced UWB radios in future wireless networks. The integration process will be carried out on four different fields: user devices, access network equipment, location awareness services and coexistence. Some pre-existing results concerning interworking and coexistence will also be presented. Additionally, the foreseen business benefits, mainly focused on the interests of the operators and the service providers, will be described.
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