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Forced by an enormous cost pressure, investments into future radio network infrastructure as well as operational costs have to be minimised. More efficient and highly flexible use of scarce radio resources is mandatory without compromising high network performance and users' service quality perception. This paper highlights the means to achieve this, in particular, the algorithms, results and recommendations...
True integration and common operation and management of different packet based cellular radio networks will be a main characteristic of next generation (4G) mobile radio systems. These features will provide enhanced flexibility for both operators and end users to adapt to changing environments and demands. To reach this goal, however, an efficient usage of resources such as frequency, power, and space...
CARMEN is a three-year Specific Targeted Research Project (STREP) funded by the European Commission within the 7th Framework Program. The CARMEN access network will complement existing access technologies by exploiting low cost mesh networking techniques, thus minimizing deployment and maintenance costs. The CARMEN architecture introduces an abstraction layer that hides the specifics of the underlying...
In this paper, we provide a framework for enhancing radio resource management (RRM) in 3G long term evolution (LTE) systems with cognitive features. By exploiting the capabilities of orthogonal frequency division multiplexing (OFDM) LTE access technology, network segments are capable of properly adapting to the environment conditions by applying RRM algorithms for optimized sub-carriers' assignment,...
In recent years, fixed-mobile convergence (FMC) has gathered much interest in the telecommunications industry. FMC is expected to offer benefits for network and service operators as well as end-users. Integrated operators (who own both fixed and mobile networks), are keen to exploit these benefits in order to save costs and generate new revenues. However, such operators are also faced with the challenge...
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