이동통신망에서 핸드오버 호 제어방식의 개선 및 성능평가
Improvement and Performance Evaluation of Handover Call Control Scheme in Mobile Communication Network
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In the current and future mobile communication networks, the cell size is reduced to increase the radio channels' efficiency and cope with the ever-increasing number of subscribers and high-speed services. In this study, a new handover call control method called Handover Duration First (HDF) is proposed to serve a handover call with the smallest handover duration, primarily considering the directionality in the handover area among queued handover calls. In order to analyze the performance of the proposed HDF method, a simulation is performed to obtain the blocking probabilities of new and handover calls when new and handover calls are generated and compared with the existing First In, First Out (FIFO) method. Simulation results show that the proposed HDF method performs better from blocking probability and forced termination probability than the conventional method. The results of this study can contribute to various studies to increase the efficiency of handover on radio channels.
Abstract
In the current and future mobile communication networks, the cell size is reduced to increase the radio channels' efficiency and cope with the ever-increasing number of subscribers and high-speed services. In this study, a new handover call control method called Handover Duration First (HDF) is proposed to serve a handover call with the smallest handover duration, primarily considering the directionality in the handover area among queued handover calls. In order to analyze the performance of the proposed HDF method, a simulation is performed to obtain the blocking probabilities of new and handover calls when new and handover calls are generated and compared with the existing First In, First Out (FIFO) method. Simulation results show that the proposed HDF method performs better from blocking probability and forced termination probability than the conventional method. The results of this study can contribute to various studies to increase the efficiency of handover on radio channels.
참고문헌 (17)
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