# US 2014/0197998 A1 · Three dimensional antenna dome array

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- Number: US 2014/0197998 A1
- Document ID: US20140197998A1
- Status: Published application
- Kind: A1
- Application number: 13/742,227
- Filed: 2013-01-15
- Published: 2014-07-17
- Earliest claimed: 2013-01-15
- Assignees: Aruba Networks, Inc.
- Inventors: Gururaj Govindasamy; Hogan Lew; Prakash Guda; Stephen H. Strong; Thien T. Nguyen
- Web page: https://patentgrep.com/patent/US20140197998A1

## CPC

- H01Q 1/24: with receiving set
- H01Q 1/007: {specially adapted for indoor communication}
- H01Q 1/02: Arrangements for de-icing; Arrangements for drying-out {; Arrangements for cooling; Arrangements for preventing corrosion}
- H01Q 21/24: Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction {(circularly polarised patch antennas H01Q9/0428; circularly polarised horns H01Q13/0241; cross-polarised horns H01Q13/0258; polarisation converters H01Q15/242; cross-polarised rear feeds H01Q19/136; crossed polarisation dual antenna H01Q25/001)}
- H01Q 21/29: Combinations of different interacting antenna units for giving a desired directional characteristic (H01Q25/00 takes precedence)
- H01Q: ANTENNAS, i.e. RADIO AERIALS (radiators or antennas for microwave heating H05B6/72)

## Abstract

According to one embodiment of the invention, a wireless network device comprises wireless logic and a heat dissipation unit that encases the wireless logic. The heat dissipation unit includes an antenna dome array that comprises a top surface having a convex-shaped outer periphery with a plurality of antenna elements positioned along the outer periphery.

## Claims

### Claim 1

A wireless network device, comprising:
wireless logic; and
a heat dissipation unit encasing the wireless logic, the heat dissipation unit including an antenna dome array that comprises a top surface having a convex-shaped outer periphery with a plurality of antenna elements positioned along the outer periphery.

### Claim 2 (depends on 1)

The wireless network device of claim 1, wherein the wireless logic comprises a circuit board including a processor.

### Claim 3 (depends on 1)

The wireless network device of claim 1, wherein the plurality of antenna elements include a plurality of first antenna elements operating in a first frequency band and a plurality of second antenna elements operating in a second frequency band different than the first frequency band.

### Claim 4 (depends on 3)

The wireless network device of claim 3, wherein each of the plurality of second antenna elements is positioned along the convex-shaped outer periphery between two neighboring first antenna elements of the plurality of first antenna elements.

### Claim 5 (depends on 3)

The wireless network device of claim 3, wherein each of the plurality of first antenna elements operate in the first frequency band being a 2.4 gigahertz band and each of the plurality of second antenna elements operate in the second frequency band being a 5 gigahertz band.

### Claim 6 (depends on 3)

The wireless network device of claim 3, wherein the plurality of first antenna elements are positioned on the top surface having the convex-shaped outer periphery at a first angle so as to produce radiation patterns offset from horizontal by the first angle.

### Claim 7 (depends on 6)

The wireless network device of claim 6, wherein the plurality of second antenna elements are positioned on the top surface having the convex-shaped outer periphery at a second angle so as to produce radiation patterns offset from horizontal by the second angle.

### Claim 8 (depends on 6)

The wireless network device of claim 6, wherein the first angle is equal to the second angle.

### Claim 9 (depends on 1)

The wireless network device of claim 1 being an access point and further comprising a casing completely surrounding the heat dissipation unit.

### Claim 10

An apparatus comprising:
a cover having a center area and a convex-shaped outer periphery;
a plurality of antenna elements positioned along a top surface of the outer periphery of the cover, the plurality of antenna elements including a plurality of first antenna elements operating at a first frequency band and a plurality of second antenna elements operating at a second frequency band greater than the first frequency band,
wherein at least one of the plurality of first antenna elements are positioned on the top surface at a first angle offset from horizontal so as to produce a radiation pattern offset from the horizontal by the first angle.

### Claim 11 (depends on 10)

The apparatus of claim 10, wherein at least one of the plurality of second antenna elements is positioned on the top surface at a second angle offset from horizontal so as to produce radiation patterns offset from horizontal by the second angle.

### Claim 12 (depends on 11)

The apparatus of claim 11, wherein the first angle is equal to the second angle.

### Claim 13 (depends on 10)

The apparatus of claim 10, wherein the plurality of antenna elements are coupled to wireless logic mounted on a circuit board positioned under the cover.

### Claim 14 (depends on 10)

The apparatus of claim 10, wherein each of the plurality of second antenna elements is positioned along the convex-shaped outer periphery between two neighboring first antenna elements of the plurality of first antenna elements.

### Claim 15 (depends on 14)

The apparatus of claim 14, wherein the plurality of first antenna elements are operating in the first frequency band being a 2.4 gigahertz band and the plurality of second antenna elements are operating in the second frequency band being a 5 gigahertz band.

### Claim 16

An access point, comprising:
a casing;
a heat dissipation unit encasing by the casing, the heat dissipation unit including an antenna dome array that comprises a top surface having a convex-shaped outer periphery with a plurality of antenna elements positioned along the outer periphery, the plurality of antenna elements including a plurality of first antenna elements operating at a first frequency band and a plurality of second antenna elements operating at a second frequency band greater than the first frequency band,
wherein at least one of the plurality of first antenna elements are positioned on the top surface at a first angle offset from horizontal so as to produce a radiation pattern offset from the horizontal by the first angle.
