Detection and elimination of oscillation within cellular...

Telecommunications – Carrier wave repeater or relay system – Monitoring

Reexamination Certificate

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C455S015000, C455S024000

Reexamination Certificate

active

07409186

ABSTRACT:
A system and method for substantially reducing oscillation produced by a network amplifier. An exemplary method includes receiving a cellular signal at a first antenna of a network amplifier and applying a first amplification factor to the cellular signal. The resultant amplified cellular signal is transmitted to a target destination via a second antenna. A first signal level of the cellular signal is measured while the first amplification factor is being applied to the cellular signal. Then, a second amplification factor that is less than the first amplification factor is applied to the cellular signal, during which a second signal level of the cellular signal is measured. If the second signal level is significantly less than the first signal level, the first amplification factor is reduced by a predetermined amount.

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patent: 6892080 (2005-05-01), Friesen et al.
patent: 7233771 (2007-06-01), Proctor, Jr. et al.
patent: 2005/0272367 (2005-12-01), Rodgers et al.
patent: 2007/0071128 (2007-03-01), Meir et al.

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