Access point antenna for a wireless local area network

Details Access point antenna for a wireless local area network Access point antenna for a wireless local area network

2007-07-03

2007-07-03

Wimer, Michael C. (Department: 2821)

Communications: radio wave antennas

Antennas

Antenna with parasitic director

C343S853000

Reexamination Certificate

active

10953893

ABSTRACT:
An access point antenna for a wireless local area network (WLAN) includes a combiner network with a feed point, a ground plane adjacent the combiner network, and a dielectric substrate adjacent the ground plane. Conductive paths are on the dielectric substrate and are coupled to the feed point. Active antenna elements extend from the dielectric substrate. Each active antenna element is coupled to a respective conductive path and is equally spaced from a common area on the dielectric substrate. A passive director antenna element extends from the dielectric substrate and is coupled to the ground plane adjacent the common area.

REFERENCES:
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patent: 6127987 (2000-10-01), Maruyama et al.
Cushcraft Catalog, 2400-2500 MHz, Squint Ceiling Mount Omnidirectional Antennas, Apr. 22, 2002, available at www.cushcraft.com.
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Scott et al., Diversity Gain From a Single-Port Adaptive Antenna Using Switched Parasitic Elements Illustrated with a Wire and Monopole Prototype, IEEE Transactions on Antennas and Propagation, vol. 47, No. 6, Jun. 1999.
King, The Theory of Linear Antennas, pp. 622-637, Harvard University Press, Cambridge, Mass., 1956.
Lo et al., Antenna Handbook: Theory, Applications and Design, pp. 21-38, Van Nostrand Reinhold Co., New York, 1988.

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