Joint Optimization on Inter-cell Interference Management and User Attachment in LTE-A HetNetsReport as inadecuate




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1 LINCS - Laboratory of Information, Network and Communication Sciences 2 Nokia Bell Labs Nozay 3 DEPARTMENT OF ELECTRONIC ENGINEERING - City University of Hong Kong

Abstract : To optimize the network utility in 3GPP Long Term Evolution-Advanced LTE-A heterogeneous networks HetNets, it is necessary to jointly consider inter-cell interference mitigation and user attachment. Based on potential game formulation, we optimize almost blank subframe ABS and-or cell selection bias CSB settings for both macrocells and picocells in a distributed manner. We demonstrate the need of joint ABS and CSB optimization via simulation case studies. Extensive simulations confirm that joint ABS and CSB optimizations can lead to a 20% improvement in spectral efficiency and a 46% improvement in energy efficiency while increasing the fairness of the achieved rates of users.





Author: Ye Liu - Chung Shue Chen - Chi Wan Sung -

Source: https://hal.archives-ouvertes.fr/



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