Patent ID: 9729263
Date: 2017-08-08
CPC Classifications: H04B,H04J,H04L,H04W

Claim:
1. A radio transceiver circuit for frequency division duplex (FDD) communication, comprising: a transmitter for FDD signal transmission in a first frequency band; a first receiver for FDD signal reception in a second frequency band, separate from the first frequency band; a duplexer; wherein an output port of the transmitter is operatively connected to a first port of the duplexer for transmitting, through the duplexer, signals in said first frequency band; and an input port of the first receiver is operatively connected to a second port of the duplexer for receiving, through the duplexer, signals in said second frequency band; wherein: the radio transceiver circuit comprises a second receiver, separate from the first receiver, for reception in said first frequency band; and wherein an input port of the second receiver is operatively connected to said first port of the duplexer for receiving, through the duplexer, signals in said first frequency band.