Hasselbach, Philipp P. ; Klein, Anja ; Gaspard, Ingo (2008)
Measurement Based Cell Bandwidth Allocation in Cellular Mobile Radio Networks using Power-Bandwidth Characteristics.
Report, Bibliographie

Kurzbeschreibung (Abstract)

Future mobile radio networks are expected to witness increasing capacity demands. In order to be able to provide more and more capacity with the limited spectrum available to mobile communication, the spectrum efficiency of future mobile radio networks has to be increased. In this scope, the adaptation of the assignment of the resources power and bandwidth to the time-varying demands of the users is an important topic. Power-Bandwidth Characteristics represent the interdependence of transmit power and cell bandwidth considering behaviour and environment of cells and users. They therefore provide important information required for the efficient assignment of resources. The application of Power-Bandwidth Characteristics for resource assignment, however, has so far not yet been shown. In this paper, the allocation of bandwidth to the cells of a cellular mobile radio network using Power-Bandwidth Characteristics is presented. An efficient approach using convex optimisation techniques is introduced and a distributed implementation is proposed. The approach is shown to be capable of significantly increasing the spectrum efficiency, and thus also the system capacity, of a cellular mobile radio network. Due to the use of convex optimisation and since Power-Bandwidth Characteristics can be derived from system measurements, the presented method is suited for self-organising optimisation which is of great interest for future mobile radio networks.

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