A Novel array formed by diamond antennas with high isolation for base station applications

ICWMMN(国际无线、移动和多媒体网络会议) 2006论文集

Abstract

A novel linear array formed by diamond antennas with low profile and high isolation is developed and studied experimentally in this paper. The array can provide unidirectional patterns with a HPBW (Half-Power Beam Width) of 65±6° in azimuth plane and more than 15dBi peak gain in 1710-2170MHz with VSWR<1.5. The antenna consists of five dual-polarized array elements named “four-diamond” antenna. The isolation of two different polarized input ports of the array can be enhanced to -30dB by employing some isolation enhancement technologies. A dual-polarized broadband linear array is fabricated and the measured results are presented. The proposed array antenna is suitable for the GSM1800, CDMA1900 and ITU’s IMT-2000 base station applications.

Key words: Base Station Antenna, Dual-polarization, Broadband, Isolation Enhancement, Four-diamond antenna

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