Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Reexamination Certificate
2011-08-23
2011-08-23
Shedrick, Charles (Department: 2617)
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
C455S003010, C455S456500, C455S041200
Reexamination Certificate
active
08005472
ABSTRACT:
The present invention provides a method for storing data relating to network conditions in a mobile unit. A mobile station receives a signal from a base station. The mobile station stores data associated with the signal in memory within the mobile unit. When the mobile unit determines that the signal has been dropped, the mobile unit freezes the memory until it can transmit the data to a network outage data center. This helps the system diagnose and correct transient service outages.
REFERENCES:
patent: 5771274 (1998-06-01), Harris
patent: 2002/0098851 (2002-07-01), Walczak et al.
patent: 2004/0214521 (2004-10-01), Tsunehara et al.
patent: 2005/0048917 (2005-03-01), Weng
Martin Ronald Bruce
Wilson Randall Joe
Alcatel Lucent
MacIntyre John B.
Shedrick Charles
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