Isolation enhancement of planar disc antenna and ground plane in UWB applications

Elham Ebrahimi, O Litschke, R Baggen, Peter Hall

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

A technique is proposed to mitigate the unwanted effect of ground plane currents when an antenna is mounted on a printed circuit board (PCB). To demonstrate the concept a CPW fed monopole is integrated onto a relatively large PCB. In the first stage of integration, a microstrip to grounded CPW feedline is incorporated to avoid connecting the PCB and antenna ground directly. To reduce the flow of current onto the edges of the PCB, two pairs of quarter-wavelength stubs are then utilised. A prototype is manufactured and examined. To show how this method enhances the radiation characteristics, the radiation patterns of the antenna in both an isolated and an integrated scenario with and without stubs are compared.
Original languageEnglish
Pages (from-to)1539-1540
Number of pages2
JournalElectronics Letters
Volume46
Issue number23
DOIs
Publication statusPublished - 1 Nov 2010

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