Telecommunications – Receiver or analog modulated signal frequency converter – Noise or interference elimination
Reexamination Certificate
2005-07-26
2005-07-26
Nguyen, Lee (Department: 2682)
Telecommunications
Receiver or analog modulated signal frequency converter
Noise or interference elimination
C455S306000, C455S084000, C375S350000, C375S278000, C375S284000
Reexamination Certificate
active
06922554
ABSTRACT:
The invention relates to a method for implementing a transceiver, in which method radio-frequency signals are transmitted and received with a transceiver for communicating information. A radio-frequency signal received at a receiving stage is subjected to at least a first filtering step, in which a desired receiving signal is separated from the signal with a filter. A signal to be transmitted at a transmission stage is subjected to at least a second filtering step, in which a desired transmission signal is separated from the signal with a filter, to be transmitted. In the method, the same filter is used at least partly in said first and second filtering steps.
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Asikainen Kalle
Heliö Petri
Takalo Tomi-Pekka
Nguyen Lee
Nokia Mobile Phones Ltd.
Perman & Green LLP
Phu Sanh
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