Ultra Wideband
Ultra Wideband Antenna with Reduced Radar Cross Section
... An octagonal ultra wideband antenna with reduced RCS has been presented. The proposed antenna operates in the frequency range of 3.6GHz to 16GHz with impedance bandwidth of more than 115%. The antenna was ...
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Design Filters Using Tunable E-Shaped Dual-Mode Resonators for Lower-Ultra-Wideband and Upper-Ultra-Wideband Applications
... regarding ultra-wideband transmission systems,” ...notched ultra- wideband bandpass filter with improved out-of-band performance using quasi electromagnetic bandgap structure,” Progress In ...
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Design of a compact planar antenna for ultra wideband operation
... Abstract ─ In this paper, a new compact planar antenna is proposed for UWB (Ultra-wideband) operations. The proposed antenna has a low profile structure, consisting of a radiating patch, notched ground ...
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Investigate And Optimize The Vivaldi Antenna For Ultra-Wideband Applications
... An exponentially tapered slot line antenna named the Vivaldi is studied in this thesis. This antenna has Ultra-Wideband (UWB) characteristics and is used in applications ranging from feeds reflectors to ...
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Solution of Wideband Scattering Problems Using Hierarchical Ultra-Wideband Characteristic Basis Functions
... In this paper, a hierarchical UCBFM (HUCBFM) is proposed to improve the efficiency of the IUCBFM. The HUCBFM is a method that reduces the number of CBFs necessary to express a current distribution. The method combines the ...
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UNIQUE FEATURES AND APPLICATION OF ULTRA-WIDEBAND TECHNOLOGY
... the ultra-wideband (UWB) transmissions, there are two architectural concepts in the design of UWB technology: The Carrier free direct sequence (DS-UWB) ultra wideband technology and the ...
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Ultra Wideband Channel Modeling for Intravehicle Environment
... With its fine immunity to multipath fading, ultra-wideband (UWB) is considered to be a potential technique in constructing intravehicle wireless sensor networks. In the UWB literature, extensive measuring ...
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Radiofrequency Performances of Transparent Ultra-Wideband Antennas
... for ultra-wideband applica- tions in S-band and C-band have been designed and fabricated on 1737 Corning glass substrates, and their radiofrequency performances was studied and ...
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A Compact Triple Notch Band Ultra Wideband Antenna
... Abstract This paper proposed a compact ultra-wideband (UWB) antenna (17.5 × 20.5 mm 2 ) with a triple-notch band characteristic to overcome the interference caused by the three narrow frequency bands that ...
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Analysis and Design of an Ultra Wideband Directional Coupler
... In this paper, a multilayer directional coupler using broadside CPW slot-coupled has been designed and analyzed. Simple analytic closed form expressions for the CPW slot-coupled coupler have been obtained using conformal ...
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Compact Microstrip-Fed Antenna for Ultra-Wideband Applications
... In the past few years ultrawideband (UWB) technology has received increasing attention in the wireless world [1–15]. United States Federal Communication Commission approved the commercial use of UWB in February 2002 and ...
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Ultra wideband outdoor communication characteristics with and without traffic
... When the Federal Communications Commission agreed in February 2002 to allocate the 7500 MHz bandwidth for unlicensed use of ultra-wideband (UWB) communi- cations in the 3.1-10.6 GHz frequency region [1], ...
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Interference Mitigation for Coexistence of Heterogeneous Ultra Wideband Systems
... Two ultra-wideband (UWB) specifications, that is, direct-sequence (DS) UWB and multiband-orthogonal frequency division multiplexing (MB-OFDM) UWB, have been proposed as the candidates of the IEEE ...
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Time Domain Diversity in Ultra Wideband MIMO Communications
... of ultra-wideband (UWB) communications is impeded by the drastic transmitted power limitations imposed by regulation authorities due to the “polluting” character of these radio emissions with respect to ...
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A/D Restrictions (Errors) in Ultra Wideband Impulse Radios
... om both parameters was investigated and presented. Both of them are critical to error performance of Ultra- Wideband Impulse Radio systems. Jitter error plays an important role especially when additive ...
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Design, Implementation and Performance of Ultra-Wideband Textile Antenna
... Universiti Teknologi Malaysia, UTM JB 81310, Johor, Malaysia Abstract—Communication technology is increasingly pervading everyday life. The rapid progress in wireless communication besides the increasing interest in ...
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Antenna Ultra Wideband Enhancement by Non-Uniform Matching
... Abstract—In this paper, antenna ultra wideband enhancement by non-uniform matching is proposed. The antenna consisted of a rectangular shaped radiator with two convex circled corners. Simulated results ...
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Compact Ultra-Wideband in-Phase Multilayer Power Divider
... compact ultra-wideband (UWB) in-phase multilayer slotline power divider with high isolation is presented as a complement in slotline power divider ...
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Printed Circularly Polarised Asymmetric Ultra-Wideband Antenna
... Abstract—Printed, circularly polarised, microstrip line fed antenna having asymmetric slotted structure is presented. Two antennas, antenna 1 (A1) and antenna 2 (A2), having the same design but radiating with opposite ...
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Ultra-Wideband Antenna Array Design for Target Detection
... The ultra wideband (UWB) radio system has attracted both academic and industrial communities attentions since the Federal Communication Committee (FCC) approval of frequency band between ...
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