Dual-polarised stripline fed slot antenna incorporating signal cancellation

Alan John Sangster; Peter Smith; Eamon McErlean; Keith Sinclair; Ralf Theo Jacobs

doi:10.1049/ip-map:20010768

Dual-polarised stripline fed slot antenna incorporating signal cancellation

Alan John Sangster, Peter Smith, Eamon McErlean, Keith Sinclair, Ralf Theo Jacobs

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

4 Citations (Scopus)

Abstract

A strip-line fed cavity backed 'quad-slot' antenna is described in which two parallel slot pairs are orthogonally located in the tri-plate ground plane to form the dual-polarised antenna. Two of the orthogonally placed slots are fed from a quadrature hybrid while the other two are parasitically excited by the cavity mode. The hybrid and the slot antenna are designed and constructed as an integrated unit to minimise the return loss into the 'receiver' port and hence maximise antenna sensitivity in passive tagging applications. The results obtained from computational modelling of the arrangement based on the moment method analysis of planar structures is compared with measurement and shown to be substantially in agreement.

Original language	English
Pages (from-to)	357-362
Number of pages	6
Journal	IEE Proceedings - Microwaves, Antennas and Propagation
Volume	148
Issue number	6
DOIs	https://doi.org/10.1049/ip-map:20010768
Publication status	Published - Dec 2001

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title = "Dual-polarised stripline fed slot antenna incorporating signal cancellation",

abstract = "A strip-line fed cavity backed 'quad-slot' antenna is described in which two parallel slot pairs are orthogonally located in the tri-plate ground plane to form the dual-polarised antenna. Two of the orthogonally placed slots are fed from a quadrature hybrid while the other two are parasitically excited by the cavity mode. The hybrid and the slot antenna are designed and constructed as an integrated unit to minimise the return loss into the 'receiver' port and hence maximise antenna sensitivity in passive tagging applications. The results obtained from computational modelling of the arrangement based on the moment method analysis of planar structures is compared with measurement and shown to be substantially in agreement.",

author = "Sangster, {Alan John} and Peter Smith and Eamon McErlean and Keith Sinclair and Jacobs, {Ralf Theo}",

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AU - Smith, Peter

AU - McErlean, Eamon

AU - Sinclair, Keith

AU - Jacobs, Ralf Theo

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PY - 2001/12

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N2 - A strip-line fed cavity backed 'quad-slot' antenna is described in which two parallel slot pairs are orthogonally located in the tri-plate ground plane to form the dual-polarised antenna. Two of the orthogonally placed slots are fed from a quadrature hybrid while the other two are parasitically excited by the cavity mode. The hybrid and the slot antenna are designed and constructed as an integrated unit to minimise the return loss into the 'receiver' port and hence maximise antenna sensitivity in passive tagging applications. The results obtained from computational modelling of the arrangement based on the moment method analysis of planar structures is compared with measurement and shown to be substantially in agreement.

AB - A strip-line fed cavity backed 'quad-slot' antenna is described in which two parallel slot pairs are orthogonally located in the tri-plate ground plane to form the dual-polarised antenna. Two of the orthogonally placed slots are fed from a quadrature hybrid while the other two are parasitically excited by the cavity mode. The hybrid and the slot antenna are designed and constructed as an integrated unit to minimise the return loss into the 'receiver' port and hence maximise antenna sensitivity in passive tagging applications. The results obtained from computational modelling of the arrangement based on the moment method analysis of planar structures is compared with measurement and shown to be substantially in agreement.

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JO - IEE Proceedings - Microwaves, Antennas and Propagation

JF - IEE Proceedings - Microwaves, Antennas and Propagation

IS - 6

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Dual-polarised stripline fed slot antenna incorporating signal cancellation

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