Omnidirectional antenna scheme

Details Omnidirectional antenna scheme Omnidirectional antenna scheme

1997-04-25

1999-07-13

Font, Frank G.

Communications: radio wave antennas

Antennas

Plural antennas

343795, H01Q 2100

Patent

active

059233044

ABSTRACT:
An antenna arrangement comprising at least 4 upright omnidirectional antenna is disclosed. The omnidirectional antennas are spaced apart in an irregular fashion. By providing at least 4 omnidirectional antenna in a irregular spaced apart arrangement, spatial diversity is provided, at any distant point from the antennas, by at least 3 antennas. Thus the minimum gain, for a four antenna arrangement, approaches 0.75 of the maximum gain when taking relative position of a receiver into account. A method of operating such an omnidirectional antenna scheme is also disclosed

REFERENCES:
patent: 4121158 (1978-10-01), Hanni
patent: 4918458 (1990-04-01), Brunner et al.
patent: 5264862 (1993-11-01), Kumpfbeck
patent: 5539728 (1996-07-01), Gaiani et al.
patent: 5715516 (1998-02-01), Howard et al.

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