Andrew Corporation

Peter Bruce Graham

Andrew Thomas Gray

Arthur George Roberts

Daniel Rhodes

Martin Lee Zimmerman

Kevin Eldon Linehan

Peter Mailandt

Louis John Meyer

Ching-Shun Yang

Robert Douglas Elliot

Philip Sorells

An antenna for communicating with mobile devices in a land-based cellular communication system via an antenna beam having a width, azimuth angle and downtilt angle. The antenna includes: a two dimensional array of radiating elements (-); and a feed network (-) from a feed line to the radiating elements. The feed network includes: downtilt phase shifting means () for varying the phase of signals supplied to or received from the radiating elements so as to vary the downtilt angle of the antenna beam; azimuth phase shifting () means for varying the phase of signals supplied to or received from the radiating elements so as to vary the azimuth angle of the antenna beam; and beam width adjustment means () for varying the power or phase of signals supplied to or received from the radiating elements so as to vary the width of the antenna beam.

Cellular antenna

There is provided a cellular antenna allowing mechanical azimuth adjustment in combination with adjustment of one or more other antenna attribute such as electrical down tilt, electrical beam width or electrical azimuth adjustment. An integrated control arrangement is provided which can utilise either serial, wireless or RF feed lines to convey communications. A multiband embodiment provides azimuth adjustment for both bands by utilising mechanical and electrical azimuth adjustment. Systems incorporating such antennas and methods of controlling them are also provided.

Cellular antenna and systems and methods therefor

Growing community of inventors

Wellington, New Zealand

Peter Bruce Graham