System and method for split isolation in radio frequency...

Details System and method for split isolation in radio frequency... System and method for split isolation in radio frequency...

2011-04-05

2011-04-05

Pham, Chi H (Department: 2471)

Multiplex communications

Duplex

Communication over free space

C370S288000, C370S290000

Reexamination Certificate

active

07920491

ABSTRACT:
A system and method for designing a full duplex communications transceiver to enable a reduction in isolation between a transmit signal and a receive signal at a diplexer is disclosed. An RFE transmit filter attenuation level can be determined to be sufficient to attenuate a noise power of the transmitter below a thermal noise floor of the power amplifier. A minimum diplexer transmit filter attenuation level can be calculated to attenuate noise power output from the power amplifier in the receive band to a level below a noise floor of the receiver.

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