Patent ID: 8942761
Filing Date: 2015-01-27
Classification: H01Q,H04M

Abstract:
1. A communication structure, comprising: a mobile terminal ground plane including a ground point; a primary radiator that is electrically coupled to the ground point; a first antenna branch that includes a first filter circuit that is coupled between a first point on the primary radiator and a first antenna port and that corresponds to a first frequency band; and a second antenna branch that includes a second filter circuit that is coupled between a second point on the primary radiator and a second antenna port that corresponds to a second frequency band that is different from the first frequency band, wherein the primary radiator comprises a length of about 30 mm and is arranged at a distance in a range of about 2 mm to about 4 mm from the ground plane, wherein the first point on the primary radiator is located at a position along the primary radiator to provide an impedance match, and wherein the second antenna branch is located at a position along the primary radiator that is in a range of about ⅓ of a distance from the first point on the primary radiator to an end of the primary radiator to about ½ of the distance from the first point on the primary radiator to the end of the primary radiator.