Antenna array configuration

Details Antenna array configuration Antenna array configuration

1996-07-09

1999-12-14

Faile, Andrew I.

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455103, 455272, 343844, H04B 138, H04M 100

Patent

active

060029471

ABSTRACT:
A base station arrangement for a cellular radio system comprising an antenna array, is disclosed. The downlink signals transmitted from antennas have a spacing which is scaled in proportion to the transmitted and received wavelengths. A method of operation is also disclosed.

REFERENCES:
patent: 4519096 (1985-05-01), Cerny, Jr.
patent: 4843402 (1989-06-01), Clement
patent: 5168472 (1992-12-01), Lockwood
patent: 5576717 (1996-11-01), Searle et al.
"The ARRL Antenna Book", Published by The American Radio Relay League, Newington, CT. 06111 Fig. 19, p. 19-10 to p. 19-12.
41.sup.st. IEEE Vehicular Technology Conference, May 19-22, 1991, St. Louis, MO, pp. 166-171 article, "Microstrip Base Antennas For Cellular Communications", p. 166, paragraph 2 to p. 168, paragraph 4, fig. 4-8, Strickland et al.
Microstrip Base Station Antennas for Cellular Communictions, Peter Strickland and Fazal Bacchus, 1991 IEEE, pp. 166-171.
Transmitting Null Beam Forming with Beam Space Adaptive Array Antennas, Isamu Chiba, Toshiyuki Takahashi, and Yoshio Karasawa, 1994 IEEE, pp. 1498-1502.
A Spectrum Efficient Cellular Base-station Antenna Architecture, S.C. Swales and M.A. Beach, Centre for Communications Research, University of Bristol, UK.

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