Patent ID: 8552816
Filing Date: 2013-10-08
Classification: H04B

Abstract:
1. A user equipment (UE) front end (FE) adapted for multiband simultaneous transmission and reception of voice and data, the UE FE comprising: a first duplexer having a TX band-pass filter adapted to pass a first TX signal band associated with a first radio access technology type and an RX band-pass filter adapted to pass a second RX signal band associated with a second radio access technology type; a second duplexer having a TX band-pass filter adapted to pass a second TX signal band associated with the second radio access technology type, and an RX band-pass filter adapted to pass a first RX signal band associated with the first radio access technology type; and a first notch filter that is communicatively coupled to the first duplexer, wherein the first notch filter provides a notch at a TX band for the second radio access technology type.