Impulse Radio
On Quantifying Covertness of Ultra-Wideband Impulse Radio
... packet radio systems suffer from poor covertness and throughput perfor- mance due to the high MAC layer signaling overhead due to the stringent acquisition requirements of ...wideband radio, this overhead ...
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Performance Analysis of Multiband Impulse Radio UWB Communication System Based on PSWF
... short impulse pulse to convey information [1], Impulse Radio allows remarkable data rates of ...Multiband Impulse Radio UWB (MB-IR-UWB) scheme divides the allocated UWB frequency range ...
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Improved Method of Node and Threshold Selection in Wavelet Packet Transform for UWB Impulse Radio Signal Denoising
... (UWB) impulse radio (IR) technology with the increased demand of bandwidth, power consumption and congestion of frequency ...of impulse radio technology dates back to 1880, with the experiment ...
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Optimal and Suboptimal Finger Selection Algorithms for MMSE Rake Receivers in Impulse Radio Ultra Wideband Systems
... Commonly, impulse radio (IR) systems, which transmit very short pulses with a low duty cycle, are employed to im- plement UWB systems [2–6]. In an IR system, a train of puls- es is sent and information is ...
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A 2.8-7.5 Pj/Pulse Highly-Flexible Impulse-Radio Ultra-Wideband Pulse-Generator
... Abstract—A low-power on-off-keying impulse-radio (IR) ultra-wideband (UWB) pulse generator (PG) intended for wireless-powered IR-UWB radio applications is presented. The proposed PG has high ...
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Synthesis, Design and Implementation of Ultra-Wideband Impulse Radio Active MMIC Matched Filters
... ultrawideband impulse radio,” IEEE MTT-S ...UWB impulse radio transmitter and receiver MMIC optimized for long range precision wireless sensor networks,” IEEE ...
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A Low Cost Time Hopping Impulse Radio System for High Data Rate Transmission
... time-hopping impulse radio that fulfills the spectral mask mandated by the FCC and is suitable for high-data-rate, short-range ...time-hopping impulse radio, the system can sustain multiple ...
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Jitter Robust Orthogonal Hermite Pulses for Ultra Wideband Impulse Radio Communications
... The design of a class of jitter-robust, Hermite polynomial-based, orthogonal pulses for ultra-wideband impulse radio (UWB-IR) communications systems is presented. A unified and exact closed-form expression ...
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Residue Number System Assisted Fast Frequency Hopped Synchronous Ultra Wideband Spread Spectrum Multiple Access: A Design Alternative to Impulse Radio
... Abstract—Ultra-wideband (UWB) systems having a bandwidth on the order of gigahertz have recently received wide attention both in the U.S. and in Europe. The family of UWB systems may communicate either by generating ...
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A reconfigurable software defined ultra-wideband impulse radio transceiver
... used to measure the BER. The antennas can be divided in two classes: On the one hand a logarithmic periodic dipole an- tenna (LPDA) which su ff ers from dispersion and on the other hand antennas for impulse ...
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Chip Discrimination for UWB Impulse Radio Networks in Multipath Channels
... The recent need for increasingly higher data rates and the ability to utilize unused spec- trum has fueled growing interest in UWB from both academia and industry. A variety of UWB physical layer applications have been ...
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Impulse Radio UWB Signal Detection Based on Compressed Sensing
... The US Federal Communications Commission (FCC) provided a definition that a signal can be classified as an UWB signal if its fractional bandwidth is greater than 0.2 or its bandwidth is 500MHz or more [1]. According to ...
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PERFORMANCE EVALUATION OF ULTRA WIDEBAND IMPULSE RADIO SYSTEM.Roshani Satpute1, Ravi kateeyare2
... From the linear regression, analysis can be concluded that educational support contributed the most, which is 39%, followed by behavioural factor 32.1% and attitudinal factor co[r] ...
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Development Of Cross Layer Pulse-Based Ultra-Wideband Communication System For Short Range Wireless Application
... of impulse radio ultra-wideband nodes are likely to be fundamentally different than those for narrow-band wireless ...of impulse radio ultra-wideband physical layers, it might well be that an ...
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Performance Comparison of Ed, TR and Dtr IR-UWB Receivers for Combined Pam-Ppm Modulation in Realistic UWB Channels
... hopping impulse-radio UWB (TH-IR-UWB) is the PPM modulation scheme, for which increasing the order of the pulse derivative leads to a smaller value of the minimal autocorrelation value and a consequently ...
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Updates from the ANITA Experiment
... broadband impulse radio detector, ANITA is also sensitive to radio-emission from extended air showers (EAS), which is primarily synchrotron emission from charge-separation by the Earth’s magnetic ...
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Frequency Domain Extended MUSIC Algorithm for TOA Estimation in Indoor UWB Radio Impulse Channels
... Several indoor localization systems have grown considerably, in order to obtain a high performance in dense multipath propagation channels. Many studies have been done in this area. Different methods have been proposed ...
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IMPULSE BUYING IN SHOPPING MALLS
... the impulse buying, however, out of 100 respondents 38 respondents admitted that they are entrapped with the promotional schemes followed by 22 respondents who do impuse purchase in view of ...do impulse ...
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A ‘missionary impulse’ for Scotland today
... Another dimension of postmodern ministry arose from the Emerging Models Project in the United States. Participants had been identified by their dioceses as thought leaders in the field. It appeared that there was ...
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Basics of Digital Filter and its Design Techniques
... The transfer functions pertaining to IIR analog electronic filters have been extensively studied and optimized for their amplitude and phase characteristics. These continuous-time filter functions are described in the ...
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