Compact multi-element antenna with phase shift

1. A wireless communication device comprising:

an enclosure;

a radio;

at least two phased array antenna systems located within the enclosure, each of the antenna systems comprising a first radiation element, a phase-shift element, and a second radiation element, wherein the first and second radiation elements are coupled to opposite ends of the phase-shift element and the first and second radiation elements cooperate to form a desired beam pattern when a radio frequency signal at a desired frequency is feed to the at least one phased antenna system and wherein the first radiation element, the phase-shift element, and the second radiation element are printed on the printed circuit board and lie in the same plane;

a switch coupling the radio to the at least two antenna systems; and

a controller that controls the switch to selectively couple one of the at least two antenna systems to the radio.

2. The device of claim 1 wherein a radio signal is feed through the first radiation element, through the phase-shift element and to the second radiation element.

3. The device of claim 1 wherein the first radiation element is a lower radiating element comprising a dipole section and an H section that cooperate as a radiation element, and the second radiation element is a terminal radiating element, and a radio signal is feed to the end of the lower radiation element coupled to the phase-shift element.

4. A wireless communication device comprising:

an enclosure;

at least two radios located within the enclosure;

at least two antenna systems located within the enclosure, the antenna systems cooperating with other electronic components in the enclosure to form a desired beam pattern, wherein a first radio is in communication with a first antenna system and a second radio is in communication with a second antenna system.

5. The device of claim 4 wherein one of the least two antenna systems further comprises a first radiation element, a phase-shift element, and a second radiation element, wherein the first and second radiation elements are coupled to opposite ends of the phase-shift element and the first and second radiation elements cooperate to form a desired beam pattern when a radio frequency signal at a desired frequency is feed to the at least one phased antenna system wherein a radio signal is feed through the first radiation element, through the phase-shift element and to the second radiation element.

6. The device of claim 4 wherein one of the at least two antenna systems further comprises a first radiation element, a phase-shift element, and a second radiation element, wherein the first and second radiation elements are coupled to opposite ends of the phase-shift element and the first and second radiation elements cooperate to form a desired beam pattern when a radio frequency signal at a desired frequency is feed to the at least one phased antenna system, wherein the first radiation element is a lower radiating element comprising a dipole section and an H section that cooperate as a radiation element, and the second radiation element is a terminal radiating element, and a radio signal is feed to the end of the lower radiation element coupled to the phase-shift element.

7. A wireless communication device comprising:

an enclosure;

a first radio located within the enclosure;

a second radio located within the enclosure;

a first phased array antenna system located within the enclosure and in communication with the first radio, the first phased array system comprising a lower radiating element comprising a dipole section and an H section that cooperate to form a radiating element, the dipole section including a transmission path connection for coupling the dipole section to a radio, a phase-shift element coupled to the lower radiating element, and a terminal radiating element coupled to the phase-shift element opposite to the lower radiating element, the terminal radiating element and the lower radiating element cooperate to form a desired beam pattern, wherein the lower radiating element, the phase-shift element and the terminal radiation element lie in the same plane;

a second phased array antenna system located within the enclosure and in communication with the second radio, the second phased array system comprising a lower radiating element comprising a dipole section and an H section that cooperate to form a radiating element, the dipole section including a transmission path connection for coupling the dipole section to a radio, a phase-shift element coupled to the lower radiating element, and a terminal radiating element coupled to the phase-shift element opposite to the lower radiating element, the terminal radiating element and the lower radiating element cooperate to form a desired beam pattern, wherein the lower radiating element, the phase-shift element and the terminal radiation element lie in the same plane.

8. The wireless communication device according to claim 7 further comprising a first switch between the lower radiating element and the phase-shift element of the first phased array antenna system, operation of the switch couples and de-couples the lower radiating element to the phase-shift element and the terminal element.

9. The wireless communication device according to claim 7 further comprising a first switch in the phase-shift element of the first phased array antenna system, operation of the switch changes an amount of phase-shift of the phase-shift element.

10. The wireless communication device according to claim 7 wherein the H section of the first phased array antenna system is coupled to a ground and the dipole section is connected to a radio.

11. The wireless communication device according to claim 7 wherein the lower radiation element, the phase-shift element and the terminal radiation element of the first phased array antenna system are coupled to a circuit board.