Communications: radio wave antennas – Antennas – Plural antennas spaced a fractional or full wave length apart
Patent
1998-05-05
2000-10-03
Wong, Don
Communications: radio wave antennas
Antennas
Plural antennas spaced a fractional or full wave length apart
343879, 343890, H01Q 112, H01Q 2100
Patent
active
061279889
ABSTRACT:
An antenna arrangement for a fixed wireless access base station comprising at least one pair of directional antenna wherein the pair of antennas have a common phase centre. If both antenna in the pair then operate on the same frequency channels, the correlation of fading of same sector co-channel interference can be maximised. To provide full cell coverage a plurality of pairs of antenna are arranged spaced apart in a tier about a support and to provide spatial diversity a second tier of antenna substantially the same as the first and which is vertically separated from the first tier is added.
REFERENCES:
patent: 4446465 (1984-05-01), Donovan
patent: 5365571 (1994-11-01), Rha et al.
patent: 5872548 (1999-02-01), Lopez
Nguyen Hoang
Nortel Networks Limited
Wong Don
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