ultra wide band-uwb-25
Differential Pseudo-Random Pulse Modulation for Ultra Wide Band Applications
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N REBHI, P CHARG?, A KACHOURI ,setit.rnu.tn
Abstract: Ultra wideband (UWB) technology has attracting great interest in recent year and
became one of the most important applications in wireless communication field. The
requirements of low cost, low power, low complexity and longer operation range have
Notch band optimization of planar Ultra Wide Band antenna using GA
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A Pradeep, VA Shameena, S Mridula, B Paul ,ursi-test.intec.ugent.be
Abstract The paper presents the optimization of the notch band in an Ultra Wide Band (UWB)
serrated monopole antenna using a modified Genetic Algorithm approach. The results are
compared with that of a similar antenna where the slot is designed using conventional
Ultra Wide Band Signal Simulations Using FDTD Method
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TM Babij ,2001 ,cwins.wpi.edu
Page 1. Kai Siwiak: 15 September 2001 1 Ultra Wide Band Signal Simulations Using FDTD
Method Kazimierz “Kai” Siwiak Time Domain Corporation Tadeusz M. Babij Florida International
University 27-28 September 2001 The Boston Marriott Hotel Newton, Massachusetts
ULTRA WIDE BAND LIQUID CRYSTAL POLYMER MICROSTRIP ELLIPTICAL PATCH ANTENNA
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BTP Madhav, V Pisipati, H Khan, V Prasad ,2005 ,jatit.org
ABSTRACT A microstrip elliptical patch antenna was designed on liquid crystal polymer
substrate for ultra wide band wireless communications. The proposed ultra wide band
antenna simply consist of an elliptical patch with coaxial feeding and liquid crystal polymer
SUB-OPTIMAL ULTRA-WIDE BAND RECEIVERS
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N BHUVANENDRAN ,2004 ,etd.fcla.edu
ABSTRACT Ultra-wide Band (UWB) has sparked a lot of interest lately from the industry and
academia. The growing capacity of the wireless industry is requires a new communication
system that satisfies the high data rate which does not interf
A 3–14 GHZ LOW NOISE AMPLIFIER FOR ULTRA WIDE BAND APPLICATIONS
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V Venkatesan, R Janakiraman, S Raj, A Prabakaran ,International Journal ,airccse.org
ABSTRACT This paper presents an ultra wide band (UWB) low noise amplifier (LNA) with
very high gain, better input matching, low noise figure, better linearity and low power
consumption. A dual source degenerated resistive current reuse is used as an input stage
Channel Capacity of Ultra-Wide Band Systems with Interference
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W Chien, WC Hsiao, CL Liu, CC Chiu ,Proceedings of the , 2010 ,iaeng.org
Abstract—In this paper, channel capacity of multiple-input multiple-output ultra-wide band
(MIMO-UWB) systems with single co-channel interference (CCI) is calculated. A ray-tracing
approach is used to calculate wanted channel frequency response, and the channel
Simulation Analysis of Nano-CNC fabricated 220 GHz Ultra wide band TWTA
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A Baig, D Gamzina, LR Barnett ,tempest.das.ucdavis.edu
Abstract: We report detailed simulation analysis for the 220 GHz sheet beam TWTA being fabricated
using nano-CNC technology[1]. The single cell dispersion analysis incorporating an inevitable
100 µm edge radius demonstrated the shift in the synchronism condition with the slow
A Novel Multilayered Planar Antenna for Ultra Wide Band (UWB) Intelligent Antenna Systems
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B Biscontini ,hft.ei.tum.de
Abstract We present a novel planar multilayered antenna for UWB intelligent antenna
systems applications. An UWB radiating element with an impedance bandwidth from 3- 26
GHz is designed using a genetic algorithm (GA) in connection with method of moments (
Ultra wide band spatial correlations
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A SIBILLE ,signal ,ensta-paristech.fr
Abstract This work addresses the extension of narrow band spatial diversity concepts to ultra
wide bands, taking into account the main modulation types which are currently considered,
and taking into account candidate combining techniques which could benefit from
A Fixed-Tuned SIS Mixer with Ultra-Wide-Band IF and Quantum-Limited Sensitivity for ALMABand 3 (84-116 GHz) Receivers
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WK Cradyl, N Homer Jr, S Srikanthl, E Bryertonl ,nrao.edu
Abstract-This paper describes an 84-116 GHz Nb/Al-oxideiNb SIS mixer with multi-octave IF
bandwidth and quantum-limited sensitivity. The mixer can be integrated with a three-stage 4-
12 GHz HFET preamplifier or fitted with a coaxial connector for operation with an external
Designing a Variation-Tolerant Ultra Wide Band Low-Noise Amplifier
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A Ghadiri ,ece.ualberta.ca
Abstract—In this report, the steps for designing and simulating an ultra wide band low-noise
amplifier are explained. A technique is used to make the amplifier robust against process
variations. The performance of the designed amplifier and the technique used for process
Time Reversal Technique for Ultra Wide-band and MIMO Communication Systems
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I Naqvi ,intechopen.com
Ultra wide band (UWB) technology gained a renewed interest after February 2002, when the
Federal Communications Commission (FCC) approved the First Report and Order (R&O) for
commercial use of UWB technology under strict power emission limits for various devices.
COMPATIBILITY OF ULTRA WIDE BAND (UWB) RADIO WITH POWER LINE COMMUNICATION SYSTEMS IN INDOOR ENVIRONMENT
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G Manzi, M Feliziani, C Buccella ,rp.iszf.irk.ru
The Ultra wideband (UWB) radio communication is known as a “carrier-free”,“baseband” or
“impulse” technology. The basic concept is to transmit and receive an extremely short
duration burst of pulses, typically having few tens of picoseconds in duration, with the
STACKED THREE LAYER RECTANGULAR MICROSTRIP PATCH ANTENNA FOR ULTRA WIDE BAND APPLICATIONS
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SE Mendhe ,csjournals.com
Microstrip patch antennas are well suited for low volume profile, light weight and easily
integration. These antennas are generally useful for mobile communications, Wireless communications
applications which requires very wide bandwidth. This paper presents a three layered
Microstrip Bandpass Filters for Ultra Wide Band (UWB)[3.1-5.1 GHz]
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M Dhieb, M Ketata, M Lahiani ,hypersciences.org
Abstract—The design of medical radar using Ultra Wide Band (UWB) technology consists in
designing and realizing a device for measuring cardiac rhythm by wave radar. Its realization
consists in designing the module hyperfrequence (radar) permitting the transmission of a
Nonlinear Phenomena of Ultra-Wide-Band Radiation in a Photonic Crystal Fibre
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R Cherif ,International Journal, 2011 ,downloads.hindawi.com
We report the results of a numerical and experimental analysis of femtosecond pulse
propagation in a highly nonlinear photonic crystal fibre (PCF). The propagation of ultrashort
pulses in PCF is studied taking into account the effects of dispersion, self-phase
DISCHARGE DETECTION AND LOCALIZATION IN POWER EQUIPMENT DURING TRANSIENTS USING ULTRA WIDE BAND METHODS VR GARCIA-
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VR GARCIA-COLON ,labplan.ufsc.br
SUMMARY Recently abnormal operation in several 400kV reactors was detected during
routine dissolved gas in oil analysis and causes for such incipient fault were sought. Since
daily switching was part of normal operation, transients were studied as the root cause of
AUTO CORRELATION PROPERTIES USING MULTIPLE ULTRA WIDE BAND (UWB) PULSES
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CH SRINIVASU ,International Journal of Engineering , 2011 ,ijest.info
Abstract: The concept of a generalized ambiguity function which is a two dimensional
autocorrelation function is convenient tool for the performance analysis of carrier free radar
represented by a Sequence of (Positive and negative) ideal Gaussian pulses. In this
Design and analysis of ultra wide band planar monopole antenna
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MKA Rahim, T Masri, HA Majid, O Ayop ,WSEAS TRANSACTIONS , 2011 ,wseas.us
Abstract:-A novel two layered UWB antenna is proposed and designed to resonate at the full
range of UWB frequencies’ spectrums from 3.1 GHz up to 10.6 GHz, well below-14.0 dB
reference levels of return loss. The size of the UWB antenna is small, with width of 31.0
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