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2013•Communications technologyRequires access

Handover in TD-SCDMA based on Signal-DeviationSlope

YU Xing-min

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Abstract

Based on up-synchronization,smart antennas and joint detectionand other new technologies,baton handover is adapted,as one of the key techniques in TD-SCDMA mobile communication system.However the existing baton handover algorithms usually set the handover decision threshold in accordance with the absolute value of signals deviation.To cope with variousUE mobile speeds and radio environments,a delay-time algorithmbased on slope of signals deviation for handover decision is proposed.Computer simulation indicates the good performance of handover ratio and call-drop ratio is proved.

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What this paper is about

Based on up-synchronization,smart antennas and joint detectionand other new technologies,baton handover is adapted,as one of the key techniques in TD-SCDMA mobile communication system.However the existing baton handover algorithms usually set the handover decision threshold in accordance with the absolute value of signals deviation.To cope with variousUE mobile speeds and radio environments,a delay-time algorithmbased on slope of signals deviation for handover decision is proposed.Computer simulation indicates the good performance of handover ratio and call-drop ratio is proved.

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Available abstract

Based on up-synchronization,smart antennas and joint detectionand other new technologies,baton handover is adapted,as one of the key techniques in TD-SCDMA mobile communication system.However the existing baton handover algorithms usually set the handover decision threshold in accordance with the absolute value of signals deviation.To cope with variousUE mobile speeds and radio environments,a delay-time algorithmbased on slope of signals deviation for handover decision is proposed.Computer simulation indicates the good performance of handover ratio and call-drop ratio is proved.

Key concepts: Handover, Computer science, Soft handover, Real-time computing, Computer network, Key (lock), Synchronization (alternating current), Telecommunications

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