Wireless device
A wireless multi-band device comprises a radiating system comprising a ground plane layer, a boosting element, and a radiofrequency system, wherein the radiofrequency system comprises a tunable reactive element.
1 . (canceled)
2 . A wireless device comprising:
a ground plane layer having a maximum size smaller than half of a longest free-space operating wavelength of the wireless device;
a boosting element having a largest dimension smaller than ⅙ times the longest free-space operating wavelength; and
a radiofrequency system comprising a tunable reactive circuit including: a switch connected between the boosting element and a transceiver, and a bank of fixed matching networks,
wherein at least a portion of an orthogonal projection of the boosting element onto a plane containing the ground plane layer overlaps the ground plane layer.
3 . The wireless device of claim 2 , wherein a matching within the bank of fixed matching networks comprises a series inductor.
4 . The wireless device of claim 2 , wherein a matching within the bank of fixed matching networks comprises a parallel LC circuit.
5 . The wireless device of claim 2 , wherein the boosting element has a largest dimension smaller than 1/10 times the longest free-space operating wavelength.
6 . The wireless device of claim 2 , wherein the boosting element has a largest dimension smaller than 1/20 times the longest free-space operating wavelength.
7 . The wireless device of claim 2 , wherein the boosting element has a largest dimension smaller than 1/30 times the longest free-space operating wavelength.
8 . The wireless device of claim 2 , wherein the ground plane layer has a maximum size smaller than ⅓ rd of the longest free-space operating wavelength.
9 . The wireless device of claim 2 , wherein the ground plane layer has a maximum size smaller than ¼ th of the longest free-space operating wavelength.
10 . The wireless device of claim 2 , wherein the ground plane layer has a maximum size smaller than ⅕ th of the longest free-space operating wavelength.
11 . The wireless device of claim 2 , wherein the ground plane layer has a maximum size smaller than 1/10 th of the longest free-space operating wavelength.
12 . The wireless device of claim 2 , wherein the wireless device operates in two frequency regions.
13 . The wireless device of claim 12 , wherein the wireless device operates in a first frequency region from 698 MHz to 960 MHz and in a second frequency region from 1710 MHz to 2690 MHz.
14 . A wireless device comprising:
a ground plane layer having a maximum size smaller than half of a longest free-space operating wavelength of the wireless device;
a boosting element having a largest dimension smaller than ⅙ times the longest free-space operating wavelength; and
a radiofrequency system comprising a matching network including a tunable reactive element,
wherein at least a portion of an orthogonal projection of the boosting element onto a plane containing the ground plane layer overlaps the ground plane layer.
15 . The wireless device of claim 14 , wherein the matching network includes three reactive elements.
16 . The wireless device of claim 15 , wherein the matching network includes an inductor connected in series with a parallel arrangement of circuit elements including a tunable capacitor and an inductor.
17 . The wireless device of claim 14 , wherein the matching network includes a tunable capacitor.
18 . The wireless device of claim 14 , wherein the matching network includes a tunable capacitor arranged in parallel with an inductor.
19 . The wireless device of claim 14 , wherein the matching network includes a tunable inductor and a passive capacitor.
20 . The wireless device of claim 19 , wherein the tunable inductor comprises a switch and a bank of fixed inductors.
21 . The wireless device of claim 14 , wherein the matching network includes a tunable inductor and a tunable capacitor.