Integrated active antennas with full duplex operation

MJ Cryan, PS Hall

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Abstract

This paper discusses two types of active integrated antenna. Firstly, results are presented for a novel two-element active transmit-receive array using dual linear polarisation and sequential rotation. Each element includes an integrated oscillator and amplifier mounted on orthogonal edges of a square patch, such that transmit and receive paths are isolated and polarisation duplexed. The array gives in excess of 55 dB transmit-receive isolation at 3.77 GHz. Link budget calculations are used to show expected system performances. Secondly, an active circulator is integrated with a patch antenna to produce a same-polarisation fully duplexed transceiver. The active circulator antenna is shown to have 14 dBi transmit gain and 7.4 dBi receive gain with a transmit-receive isolation of 26.9 dB. These active antennas have potential uses in both short range communication and radar systems
Translated title of the contributionIntegrated active antennas with full duplex operation
Original languageEnglish
Title of host publicationInternational Symposium on Antennas and Propagation (ISAP'96), China, Japan
Pages1233 - 1236
Number of pages4
Volume4
Publication statusPublished - 24 Sep 1996

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