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Adaptable and Tunable Antenna Technology for Handsets and Mobile Computing Products, 2009 IET Seminar on

Date 22-22 Oct. 2009

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  • Reconfigurable antennas for wideband wireless systems

    Publication Year: 2009, Page(s):1 - 31
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (339 KB)

    Handset antenna • narrow and wide band tuning over 400 MHz to −3 GHz • 2 ports to increase degrees of freedom Vivaldi antenna • reconfiguration between wide and narrow modes • demonstrated for wide and 3 narrow bands • reduction in pattern control as bands narrow View full abstract»

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  • Dr James Kelly biography

    Publication Year: 2009, Page(s): 1
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (56 KB)

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  • Tunable antennas and band gap surfaces

    Publication Year: 2009, Page(s):1 - 34
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (1370 KB)

    • LC tunable antennas at low frequencies are lossy • Reconfigurable antennas need matching circuits • MEMs switches — optimise bias configuration • Tuning bandwidths look promising — DVB-H achieved • Variety of different tuning mechanisms • A universal matching circuit is a goal • Reconfigurable antennas, FSS and EBGs are feasible ... View full abstract»

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  • Professor Richard Langley biography

    Publication Year: 2009, Page(s): 1
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (55 KB)

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  • Tunable high lsolation directional coupler based circulator

    Publication Year: 2009, Page(s):1 - 21
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (473 KB)

    • Need for adaptive non-ferrite based circulators in agile/cognitive radio systems • Use of four port tuner for quasi-circulator realisation • Physical realisation issues and experimental results obtained View full abstract»

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  • Professor Vincent Fusco biography

    Publication Year: 2009, Page(s): 1
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  • Questions concerning the use of MIMO for WiMAX

    Publication Year: 2009, Page(s):1 - 33
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (2613 KB)

    • Balanced dielectric technology can reduce size and improve capacity/range of small mobile WiMAX terminals. • Practical to invoke pattern/polarisation diversity with small distance between antennas. • Chu-Harrington Law constrains make it difficult to achieve full “Clearwire” bandwidth with this method. View full abstract»

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  • Dr Ivor Morrow biography

    Publication Year: 2009, Page(s): 1
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  • Integrated tuning technology for antennas and radio front ends

    Publication Year: 2009, Page(s):1 - 34
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (9870 KB)

    □ Large and Compelling Opportunity S Additional Modes and Bands (LIE, wiMax, …) ✓ Significant BOM and Footprint Reduction (antennas / switches / filters / amplifiers) ✓ Substantial Platform RF Optimization Cycle Reduction (Weeks reduced to hours) ✓ Performance Improvements (Transmit Efficiency, Receive Sensitivity) □ Differentiated and Enabling Product Tec... View full abstract»

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  • Dr Art Morris biography

    Publication Year: 2009, Page(s): 1
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