Method for detecting and reducing ping-pong handover effect...

Details Method for detecting and reducing ping-pong handover effect... Method for detecting and reducing ping-pong handover effect...

2007-08-28

2007-08-28

Gelin, Jean (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S435200, C455S438000

Reexamination Certificate

active

11169961

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.

REFERENCES:
patent: 6097953 (2000-08-01), Bonta et al.
patent: 6711408 (2004-03-01), Raith
patent: 2004/0156348 (2004-08-01), Cheng et al.
patent: 2004/0267928 (2004-12-01), Petrus
patent: 2005/0048974 (2005-03-01), Kim et al.

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