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Combined Radio Resource Management for 3GPP LTE Networks

DOI: 10.5729

Keywords: 3GPP LTE networks , Radio resource management , Self organizing network , Inter cell interference.

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Abstract:

An intelligent radio resource management (RRM) is the core system of LTE network inorder to provide the broadband mobility needs of upcoming years. RRM system will schedule theavailable radio resources in a best way, so all the users will be served by enough transmission capabilityand required level of QoS and mobility, and also RRM system will assure that the assignedresources would not interfere with any previous assigned resources. Using aggressive frequencyreuse (factor of 1) in LTE network means that the whole frequency spectrum will be available insingle eNodeB which creates large effect of inter cell interference (ICI) especially at the edge of thecell. The development of Self Organizing Network (SON) techniques, algorithms and eventuallystandards is a critical step in LTE femtocell deployments and a great confirmation about the importanceof RRM. In this paper different radio resource scheduling algorithms and ICI eliminationtechniques will be analyzed, and a vision of RRM scheme will be presented based on fulfilling thesuggested requirements from RRM system.

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