Method for detecting and reducing ping-pong handover effect of cellular network
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United States of America Patent
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Aug 28, 2007
Grant Date -
Jan 5, 2006
app pub date -
Jun 30, 2005
filing date -
Jul 2, 2004
priority date (Note) -
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Abstract
A method for detecting and reducing ping-pong handover effect of a cellular network is disclosed. The method provides a systematic way to determine which cell pairs of the network have high probability of suffering from the ping-pong handover effect. The method comprises collecting network traffic statistic data of multiple items, wherein each of the items corresponds to a state change of multiple mobile units within cells of the network; determining whether a plurality of criteria are met according to the network traffic statistic data; and detecting the ping-pong effect between the cells according to the result of the determining step. The method also comprises changing a handover parameter for the cells with the ping-pong handover effect.
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