Network selection and resource allocation algorithm in heterogeneous wireless networks with proportional rate constraint

doi:10.7523/j.issn.2095-6134.2014.06.014

Abstract

Abstract:

Considering the radio resource management problem in UMTS/WLAN heterogeneous networks,we propose a network selection and resource allocation algorithm with proportional rate constraint. In order to ensure the fairness among the users,the system sum-rate maximization problem subject to proportional rate constraint is considered. By relaxing the constraint and solving the problem,we get a deduction that the network selection is related to the user's rate ratio between different networks. Based on this,a low-complicity distribution algorithm is proposed. Simulation results show that the algorithm has minor degradation compared with the upper-bound performance. Additionally,the algorithm can effectively guarantee the fairness among users.

Key words: heterogeneous wireless networks, network selection, resource allocation, proportional rate constraint

CLC Number:

TN925

LI Aiyun, QIU Ling. Network selection and resource allocation algorithm in heterogeneous wireless networks with proportional rate constraint[J]. , 2014, 31(6): 821-826.

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