A Multi-attribute Vertical Handoff Decision Algorithm Based on Motion Trend Quantification
PAN Su①② LIANG Yu① LIU Shengmei①
①(Key Laboratory of Broadband Wireless Communication and Sensor Network Technology, Ministry of Education, Nanjing University of Posts and Telecommunications, Nanjing 210003, China) ②(National Mobile Communications Research Laboratory, Southeast University, Nanjing 210096, China)
The base station will initiate handoff blindly and cause high failure rate of handoff if the knowledge of the terminal,s motion trend is absent. An optimized algorithm is proposed to optmize existing vertical handoff algorithm in the LTE-WiMAX heterogeneous wireless network system. The proposed algorithm uses the motion trend quantification to estimate goal cells and restrict unnecessary handoff so as to increase success rate of handoff. The computer simulation results in fading channel show that the optimized algorithm can reduce the failure rate of handoff during the handoff process and enhance the handoff performance of network.
潘甦,梁宇,刘胜美. 一种基于移动趋势量化的多属性垂直切换判决算法[J]. 电子与信息学报, 2016, 38(2): 269-275.
PAN Su, LIANG Yu, LIU Shengmei. A Multi-attribute Vertical Handoff Decision Algorithm Based on Motion Trend Quantification. JEIT, 2016, 38(2): 269-275.
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