Distributed antenna system

Details Distributed antenna system Distributed antenna system

1988-11-23

1991-08-13

Wimer, Michael C.

Communications: radio wave antennas

Antennas

With coupling network or impedance in the leadin

333 11, 343844, H01Q 2100, H01P 132

Patent

active

050399950

ABSTRACT:
A distributed antenna system comprises a plurality N of spaced apart antennas 3, each antenna being connected to a RF line 2 via a circulator 4, wherein each circulator 4 is arranged to pass to its associated antenna a fraction 1/N of the RF power incident thereon.
This can allow cost savings in providing the components needed for the antenna installation.

REFERENCES:
patent: 3422438 (1969-01-01), Marston
patent: 4028632 (1977-06-01), Carter et al.
patent: 4109202 (1978-08-01), Kudsiz et al.
patent: 4559489 (1985-12-01), Vacanti et al.
patent: 4661993 (1987-04-01), Leland et al.
patent: 4688259 (1987-08-01), Edridge
patent: 4933680 (1990-06-01), Shapiro et al.
Ladner et al., Shortwave Wireless Communication, Chapman &. Hall, Ltd., London, pp. Preface, 124-127, 194 & 195, 1946.
Antenna Systems, Air Force Manual, 52-19, Washington, D.C., Jun. 1953, pp. 54-55.

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