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13 - Electrical and Electronic Engineering, Metallurgy and Materials

University of Leeds

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Article title

Electronically Reconfigurable Microwave Bandpass Filter

Type

D - Journal article

DOI

10.1109/TMTT.2009.2033883

Title of journal

IEEE Transactions on Microwave Theory and Techniques

Article number

Volume number

Issue number

First page of article

3070

ISSN of journal

0018-9480

Year of publication

2009

URL

Number of additional authors

Additional information

ICH-2: Future mobile communications systems require base-stations that can be upgraded as data demand increases. This necessitates reconfigurable filters with adaptive control of centre frequency/bandwidth/transfer characteristics – something that is not provided with present technology. We solve this problem here by introducing adjustable coupling elements into switchable delay line filters. Initial results demonstrate more than 100% bandwidth tuneability. This led to collaboration with Filtronic Wireless through a fully-funded PhD project (£115,000, 2010-2014) to apply this technique to 4G mobile communications base-stations. New theoretical filter designs are also being exploited by ComDev (ming.yu@comdev.ca) to reduce the mass/cost of future communications satellites.

Interdisciplinary

Cross-referral requested

Research group

None

Proposed double-weighted

Double-weighted statement

Reserve for a double-weighted output

Non-English

English abstract