Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2006-07-07
2011-11-15
Edouard, Patrick (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S436000, C455S438000, C455S439000, C455S440000, C455S443000, C455S453000, C370S331000, C370S332000, C370S333000, C709S222000, C709S218000, C709S225000, C375S130000, C375S150000
Reexamination Certificate
active
08060095
ABSTRACT:
Systems and methods for handover of a mobile station to a base station are provided. Handover criteria for determining which base station to handover to is different for different candidate base stations. This difference can account for base station loading and/or environmental factors. The handover criteria can include a threshold and hysteresis value. A wireless communication system can employ a fixed threshold and hysteresis value for all base stations, and these fixed values are adjusted differently for different candidate base stations.
REFERENCES:
patent: 6044249 (2000-03-01), Chandra et al.
patent: 6745033 (2004-06-01), Shah et al.
patent: 7031710 (2006-04-01), Pedraza et al.
patent: 2002/0082012 (2002-06-01), Wang et al.
patent: 2005/0101328 (2005-05-01), Son et al.
patent: 2006/0094432 (2006-05-01), Chang et al.
Casca Fred
Edouard Patrick
Nextel Communications Inc.
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