Multi-mode wideband antenna
First Claim
Patent Images
1. A apparatus comprising:
- a single radio frequency (RF) input;
a dual-mode monopole antenna coupled to the single RF input, wherein the dual-mode monopole antenna is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to an antenna circuit that is not conductively connected to the dual-mode monopole antenna; and
the antenna circuit configured to provide a plurality of resonant modes, wherein the antenna circuit comprises;
a line structure coupled to ground;
a strip coupled to the line structure; and
a second folded arm extending back towards the line structure from a distal end of the strip, wherein the strip is disposed in parallel with a first arm of the dual-mode monopole antenna and farther away from the single RF input than the first arm, and wherein the strip is disposed to form a gap between a portion of the first arm and a portion of the strip.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods and systems for extending a bandwidth of a multi-mode wideband antenna of a user device are described. A multi-mode wideband antenna includes a single radio frequency (RF) input coupled to a first antenna structure to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to an antenna circuit that is not conductively coupled to the first antenna structure. The antenna circuit is configured to provide additional resonant modes of the multi-mode wideband antenna.
-
Citations
41 Claims
-
1. A apparatus comprising:
-
a single radio frequency (RF) input; a dual-mode monopole antenna coupled to the single RF input, wherein the dual-mode monopole antenna is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to an antenna circuit that is not conductively connected to the dual-mode monopole antenna; and the antenna circuit configured to provide a plurality of resonant modes, wherein the antenna circuit comprises; a line structure coupled to ground; a strip coupled to the line structure; and a second folded arm extending back towards the line structure from a distal end of the strip, wherein the strip is disposed in parallel with a first arm of the dual-mode monopole antenna and farther away from the single RF input than the first arm, and wherein the strip is disposed to form a gap between a portion of the first arm and a portion of the strip. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A apparatus, comprising:
-
a single radio frequency (RF) input; a first antenna structure coupled to the single RF input, wherein the first antenna structure is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to a passive antenna structure that is not conductively connected to the first antenna structure; and the passive antenna structure coupled to ground, wherein the passive antenna structure is configured to create a third resonant mode that is less than the first resonant mode and to create one or more additional resonant modes. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
-
-
18. An apparatus comprising:
-
a single radio frequency (RF) input; a first antenna structure coupled to the single RF input, wherein the first antenna structure is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to a passive antenna structure that is not conductively connected to the first antenna structure; and the passive antenna structure coupled to ground, wherein the passive antenna structure is configured to create a third resonant mode that is less than the first resonant mode and to create one or more additional resonant modes, wherein the first antenna structure comprises a first monopole with folded arms coupled to the single RF input at a first end and coupled to a ground plane at a second end. - View Dependent Claims (19, 20, 21, 22)
-
-
23. A apparatus comprising:
-
a single radio frequency (RF) input; a first antenna structure coupled to the single RF input, wherein the first antenna structure is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to a passive antenna structure that is not conductively connected to the first antenna structure; and the passive antenna structure coupled to ground, wherein the passive antenna structure is configured to create a third resonant mode that is less than the first resonant mode and to create one or more additional resonant modes, wherein the passive antenna structure comprises a three-dimensional (3D) closed loop structure coupled to a ground plane at a first end. - View Dependent Claims (24, 25, 26, 27, 28, 29)
-
-
30. A user device comprising:
-
a wireless modem; and a multi-mode antenna configured to radiate electromagnetic energy to communicate data to and from the wireless modem via a single radio frequency (RF) input coupled to the wireless modem, wherein the multi-mode antenna comprises; a first antenna structure coupled to the single RF input, wherein the first antenna structure is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to a passive antenna structure that is not conductively connected to the first antenna structure; and the passive antenna structure configured to create a third resonant mode, a fourth resonant mode, and a fifth resonant mode. - View Dependent Claims (31, 32, 33, 34, 35, 36)
-
-
37. A user device comprising:
-
a wireless modem; and a multi-mode antenna configured to radiate electromagnetic energy to communicate data to and from the wireless modem via a single radio frequency (RF) input coupled to the wireless modem, wherein the multi-mode antenna comprises; a first antenna structure coupled to the single RF input, wherein the first antenna structure is configured to provide a first resonant mode and a second resonant mode and to operate as a feeding structure to a passive antenna structure that is not conductively connected to the first antenna structure; and the passive antenna structure configured to create a third resonant mode and one or more additional resonant modes, wherein the multi-mode antenna further comprises an excitation portion that electrically couples the first antenna structure and the passive antenna structure, wherein the first antenna structure and the passive antenna structure are not conductively connected. - View Dependent Claims (38)
-
-
39. A method of operating a user device, the method comprising:
-
inducing a first current at a single radio frequency (RF) input coupled to a first antenna structure of a multi-mode antenna to provide a first resonant mode and a second resonant mode; in response, parasitically inducing a second current at a passive antenna structure of the multi-mode antenna to provide a third resonant mode that is less than the first resonant mode and one or more additional resonant modes; and radiating electromagnetic energy from the first antenna structure and the passive antenna structure to communicate information to another device in response to the first and second currents. - View Dependent Claims (40, 41)
-
Specification