An Adaptive Threshold Load Balancing Scheme for the End-to-End Reconfigurable System

Authors:
Yongjing Zhang;Kui Zhang;Cheng Chi;Yang Ji;Zhiyong Feng;Ping Zhang
Affiliations:
Wireless Technology Innovation Labs, Beijing University of Posts and Telecommunications, Beijing, China 100876;Wireless Technology Innovation Labs, Beijing University of Posts and Telecommunications, Beijing, China 100876;Wireless Technology Innovation Labs, Beijing University of Posts and Telecommunications, Beijing, China 100876;Wireless Technology Innovation Labs, Beijing University of Posts and Telecommunications, Beijing, China 100876;Wireless Technology Innovation Labs, Beijing University of Posts and Telecommunications, Beijing, China 100876;Wireless Technology Innovation Labs, Beijing University of Posts and Telecommunications, Beijing, China 100876
Venue:
Wireless Personal Communications: An International Journal
Year:
2008

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Abstract

In this paper, an adaptive threshold load balancing (ATLB) scheme is proposed for the joint load control (JOLDC) in the end-to-end reconfigurable system. The dynamic threshold based on heterogeneous load measurement is designed to adapt to varying load conditions for efficient resource utilization, while the network-initiated vertical handover (NIVHO) process is adopted for the timely control by exploiting the network-controlled reconfiguration management. Furthermore, considering terminal reconfigurability and the service variety, a multi-objective terminal selection algorithm is designed for NIVHO to minimize the system overhead and the impact on end-users. Simulation results show that the proposed scheme is effective in relieving congestion and improving system performance across the overlapped heterogeneous radio networks as well as the users' satisfaction.