Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Reexamination Certificate
2009-03-31
2011-11-08
Lauture, Joseph (Department: 2819)
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
C455S423000
Reexamination Certificate
active
08055293
ABSTRACT:
Methods and apparatus are provided for adjusting a forward-link power-control step size. An initial active set of coverage areas for a mobile station is maintained within which a first coverage area in the initial active set has a signal strength that is stronger than that of each of the other coverage areas in the initial active set. The first coverage area is determined to have dropped from the initial active set, resulting in a modified active set. In response, a signal-strength factor is calculated based on (a) a last non-zero signal-strength measurement of the first coverage area and (b) a second value. One or more forward-link power-control step sizes is selected based on at least the calculated factor. The one or more selected step sizes is used to increase the forward-link transmission power of at least one coverage area in the modified active set.
REFERENCES:
patent: 2007/0010253 (2007-01-01), Gunnarsson
patent: 2009/0137221 (2009-05-01), Nanda et al.
Unpublished U.S. Appl. No. 11/839,275, entitled “Method And System For Forward Link And/Or Reverse Link Power Control,” filed Aug. 15, 2007 in the name of Shetty et al.
Khanka Bhagwan
Rai Deveshkumar N
Sarkar Debasish
Shetty Manoj
Vargantwar Sachin R
Lauture Joseph
Sprint Spectrum L.P.
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