access icon free Integrated reconfigurable multiple-input–multiple-output antenna system with an ultra-wideband sensing antenna for cognitive radio platforms

A compact, novel multi-mode, multi-band frequency reconfigurable multiple-input–multiple-output (MIMO) antenna system, integrated with ultra-wideband (UWB) sensing antenna, is presented. The developed model can be used as a complete antenna platform for cognitive radio applications. The antenna system is developed on a single substrate area of dimensions 65 × 120 mm2. The proposed sensing antenna is used to cover a wide range of frequency bands from 710 to 3600 MHz. The frequency reconfigurable dual-element MIMO antenna is integrated with P-type, intrinsic, N-type (PIN) diodes for frequency agility. Different modes of selection are used for the MIMO antenna system reconfigurability to support different wireless system standards. The proposed MIMO antenna configuration is used to cover various frequency bands from 755 to 3450 MHz. The complete system comprising the multi-band reconfigurable MIMO antennas and UWB sensing antenna for cognitive radio applications is proposed with a compact form factor.

Inspec keywords: ultra wideband antennas; MIMO communication; multifrequency antennas; cognitive radio; p-i-n diodes; antenna arrays

Other keywords: integrated reconfigurable antenna system; UWB sensing antenna; compact form factor; ultrawideband sensing antenna; PIN diodes; multiband frequency antenna system; MIMO antenna system reconfigurability; frequency 710 MHz to 3600 MHz; multimode antenna system; frequency agility; wireless system standards; dual-element antenna; cognitive radio platforms

Subjects: Antenna arrays; Radio links and equipment; Junction and barrier diodes

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http://iet.metastore.ingenta.com/content/journals/10.1049/iet-map.2014.0605
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