US7239894B2 - Using directional antennas to enhance throughput in wireless networks -
Google Patents US7239894B2 - Using directional antennas to enhance throughput in wireless …

BACKGROUND 0002. In wireless communications, smart antennas have the ability to
change radio beam transmission and reception patterns to make the best use of the wireless …

The present invention is directed to a method of mutually discovering relative locations of a
plurality of mobile nodes to form a data communications network, the method comprising …

2. Background Art Omni-directional antennas have been implemented in various types of
mobile communications devices in a con ventional wireleSS network, for example, a digital …

The principles of the present invention provides for using directional antennas to mitigate the
effects of interference in a wireless network. An antenna device includes an omni-directional …

(57) An antenna system comprising a first antenna element, a second antenna element, and
a parasitic element, wherein the parasitic element is arranged with regard to the first …

Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 In
an antenna Structure including multiple antennas, a first USC 154 (b) by 0 days. antenna …

BACKGROUND Yagi-Uda antennas were originally described in the English language in an
article written by H. Yagi (See H. Yagi,“Beam Transmission of the Ultra Short Waves.” Proc …

SUMMARY OF THE INVENTION 0008 Both simulation and field measurements have shown
that operations of directional antennas in frequency duplexed Systems operating in …

2,422,073. A 6, 1947 Bond 3,641,433 A 2, 1972 Mifflin et al. 4,168,400 A 9, 1979 de
Couasnon et al. 4,176,316 A 11, 1979 DeRosa et al. 4,247,908 A 1, 1981 Lockhart, Jr. et al …