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This paper is meant to discuss the practical application of cooperative techniques in wireless UMTS cellular networks. In recent years cooperation in wireless networks has been the focus of a considerable research effort and several techniques have been proposed and investigated. The authors' feeling is that the many theoretical studies existing in the literature should now be applied to more realistic environments to pave the way to practical applications. In this paper they consider well-known cooperative techniques, such as Decode&Forward and Amplify&Forward, and they investigate and discuss the benefits their use can grant to UMTS cellular networks.
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