Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2003-06-10
2008-03-04
Anderson, Matthew D. (Department: 2618)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S069000, C455S067110, C455S442000, C370S320000, C370S332000, C370S335000, C370S345000
Reexamination Certificate
active
07340268
ABSTRACT:
The reliability of transmit power control (TPC) commands received from a transmitter is determined based on a TPC target value. The TPC target value is derived based on a TPC threshold and possibly a weight, depending on the receiver implementation. A received TPC command is considered reliable if its absolute value exceeds the TPC target value. Received TPC commands deemed as unreliable are discarded and not used for power control. Multiple TPC target values, used for detecting UP and DOWN commands, may be derived with multiple scaling factors. For a receiver in soft handover and receiving TPC commands from multiple transmitters, a different TPC target value may be derived for each transmitter. The received TPC commands for each transmitter are compared against that transmitter's TPC target value. Received TPC commands deemed as unreliable are discarded and not combined.
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Amerga Messay
Hsu Chih-Ping
Kasturi Nitin
Oh Hyukjun
Riddle Christopher C.
Anderson Matthew D.
Pappas George C.
QUALCOMM Incorporated
Rouse Thomas R.
Seo Howard
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