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A Hybrid Dynamic Load Balancing Algorithm in Heterogeneous Wireless Packet Networks

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4 Author(s)
Chen Yuan-Yuan ; Sch. of Electr. & Electron. Eng., North China Electr. Power Univ., Beijing, China ; Qi Bing ; Luo Yi-ting ; Tang Liang-rui

Based on the study of channel borrowing scheme and load transfer scheme, a hybrid dynamic load balancing algorithm for packet services is proposed. Firstly, the triangle module fusion method is used to determine which light-loaded cell is suitable for lending the two-dimensional resource unit to the hot-spot cell. And the number of two-dimensional resource units borrowed is computed according to certain conditions. Then if the load conditions of the hot-spot cell could not be converted into balanced condition, the cell with lightest load among the overlapping heterogeneous light-loaded cells is determined to receive services transferred, and services transferred are determined in accordance with the principle where the non-real time service and the service occupying more two-dimensional resource units is first considered. Simulation results show that the proposed hybrid dynamic load balancing algorithm can effectively decrease the blocking probabilities of hot-spot cells as well as the overall heterogeneous system. And, the two-dimensional resource unit utilization of overall heterogeneous system is greatly improved.

Published in:

Fuzzy Systems and Knowledge Discovery (FSKD), 2012 9th International Conference on

Date of Conference:

29-31 May 2012

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