Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Reexamination Certificate
2007-10-09
2007-10-09
Nguyen, Tony T. (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
C455S063100, C455S437000, C455S452200
Reexamination Certificate
active
11609348
ABSTRACT:
A method of measuring frequency interference between adjacent cell sites in a wireless telecommunications system. The method includes selecting a frequency in a cell site to be used as a beacon frequency. The method also includes activating the beacon frequency in the cell site and recording, at a telecommunications switch, a signal strength of the beacon frequency as measured by a first wireless device operating in the cell site and a signal strength of the beacon frequency as measured by a second wireless device operating in another cell site. The method further includes determining the frequency interference between the cell site and the other cell site based on the signal strengths.
REFERENCES:
patent: 5412658 (1995-05-01), Arnold et al.
patent: 6597927 (2003-07-01), Eswara et al.
patent: 6728540 (2004-04-01), DeSantis et al.
Austin Mark
Jabbary Ali
Johnson Derek
Latiolais Dock
AT&T BLS Intellectual Property Inc.
Nguyen Tony T.
Withers & Keys LLC
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