Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Reexamination Certificate
2011-04-05
2011-04-05
Anderson, Matthew D. (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
C455S115100, C455S226100
Reexamination Certificate
active
07920830
ABSTRACT:
A method for performing an radio frequency test of a mobile phone (5) includes: setting standard parameters of a transmitter (52); controlling an RF tester (3) to send RF signals to a receiver (53); processing the RF signals and transmitting the processed RF signals to the transmitter, reprocessing the processed RF signals and transmitting the reprocessed signals to the RF tester; obtaining resulting parameters of the RF performance of the transmitter; determining whether the RF performance of the transmitter is acceptable; setting standard parameters of the receiver; controlling the RF tester to send RF signals to a combiner (4), and controlling a disturbance source (2) to send channel noise to the combiner; generating combined signals by combining the RF signals and the channel noise, and transmitting to the receiver; obtaining resulting parameters of the RF performance of the receiver; and determining whether the RF performance of the receiver is acceptable.
REFERENCES:
patent: 5311122 (1994-05-01), Fullerton et al.
patent: 6122505 (2000-09-01), Genell et al.
patent: 6978131 (2005-12-01), Lee
patent: 7240252 (2007-07-01), Fessler et al.
Anderson Matthew D.
Bilodeau David
Chi Mei Communication Systems, Inc.
Niranjan Frank R.
LandOfFree
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