uwb-ultra wideband research papers 2012 section 2
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uwb-ultra wideband research papers 2012 section 2




Channel-based Optimization of Transmit-Receive Parameters for Accurate Ranging in UWBSensor Networks
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ABSTRACT Accurate positioning can be achieved by using ultra-wideband (UWB) wireless sensor network technology. For this purpose, several parameters should be optimized in the transceivers to achieve accurate estimation of the time-of-arrival (TOA) of the first multipath

UWB and SWB Planar Antenna Technology
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SS Zhong ,Microstrip antennas. IEEE Published ,cdn.intechweb.org Various wideband antennas have been interesting subjects in antenna designs and have found important applications in military and civilian systems. For examples, the super- wideband (SWB) antenna is a key component of electronic counterwork equipment in the

Cognitive Radio: UWB Integration and Related Antenna Design
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The emerging feature-rich and high-data-rate wireless applications have put increasing demand on radio spectrum. The scarcity of spectrum and the inefficiency in its usage, as caused by the current radio spectrum regulations, necessitate the development of new

A 3.1-10.6 GHz CMOS Low-Voltage Mixer with Active Balun Designed for UWB Systems
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CH Lai, JR Yang ABSTRACT. This paper presents the design of a 3.1-10.6 GHz down-conversion mixer for ultra- wideband (UWB) system with 0.18 µm SMIC CMOS technology. The mixer with an active balun was fabricated in the 0.18 µm IP6M standard CMOS process. The broadband mixer <

HIGH INTERFERENCE IMMUNITY UWB RECEIVER
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A Makhlin Consideration is given to the alternative UWB signal processing methods, which allow to increase the interference immunity of the system. The problem of interest is the difference in construction of UWB processing technologies and their effect on the receiver parameters.

Environment Classification and Range Error Mitigation in UWB Time-based Ranging Systems
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With the development of wireless sensor nodes, applications in different domains such as logistics, health-care, search and rescue operations, military services, gaming and entertainment emerged. Location-awareness is becoming an essential feature for these

Study of Management System to Detection and Surface Recording Data of Wastewater Sludge using UWB Sensor and Camera
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ABSTRACT. In this paper, we proposed to control a management system for manifestation on display device that was recorded image information into wastewater surface and detected information of wastewater sludge depth level using UWB sensors and camera. Existing

Microstripline-Fed Printed Wide-Slot Antenna with Notch-Band for UWB Applications
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MHB Ucar, A Sondas, YE Erdemli ,akademikpersonel.kocaeli.edu.tr ABSTRACT A compact printed wide-slot (PWS) antenna is proposed for UWB applications. The proposed UWB-PWS antenna basically consists of a stepped microstrip feed-line with a rectangular patch stub and a rectangular wide-slot element at the aperture. Additional

Skills Center Director, UW Bothell, ehill  uwb. edu Kris Kellejian, Ph. D., Director of Composition, CUSP, UW Bothell, kkellejian  uwb. edu Karen Rosenberg, Ph. D.,
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This poster will offer guidelines and suggestions for creating assignments and activities that combine quantitative reasoning (QR) with written argument. Placing these two competencies within the same assignment is a remarkably efficient way of addressing several learning

TiR-UWB
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S Alizadeh, HK Bizaki, M Okhovvat ,ISI ABSTRACT Time Reversal (TiR) technique mitigates the complexity of receiver in UWB indoor channels, but is very sensitive to the channel estimation error. The effect of channel imperfection on TiR technique is considered in this paper. At first, the Bit Error Probability (

Experimental Measurements of UWB Channel
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G Tatsis, V Christofilakis, C Votis, SK Chronopoulos ABSTRACT In this paper we perform experimental measurements targeting the UWB wireless channel. For this case we utilize Impulse Radio channel sounding techniques in time domain. The aim is to estimate the channel characteristics such as the path loss, the

All Optical Generation and Processing of IR UWB Signals
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YB Ezra, BI Lembrikov, M Ran, M Haridim ,cdn.intechopen.com Ultra wideband (UWB) communication is a fast emerging technology that offers new opportunities such as high data rates, low equipment cost, low power, precise positioning capability and extremely low interference Ghawami (2005). A wide range of possible UWB

Optimum IR-UWB Coding Under Power Spectral Constraints
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ABSTRACT Optimum coded Impulse-Radio Ultra-Wideband (IR-UWB) waveforms under power spectral constraints are investigated. Transmission over a SISO frequency-selective channel is assumed. An analytical solution for the optimum precoder is proposed,

The population declining AFSA based identification of active users for cooperative cognitive radio networks with DS-UWB based control channel
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Z Zong, Z Yin, Z Wu ABSTRACT Cognitive radio (CR) has been considered as a promising technology to alleviate the spectrum scarcity problem and the spatial diversity gain can be obtained through cooperation among multiple secondary users (SUs). However, the multiuser control

A Ranging Algorithm for Multiple Targets Using an IR-UWB Radar System
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JH Kim, JS Park, IS Baek, SH Cho ,casp.hanyang.ac.kr ABSTRACT In this paper, we propose improved algorithms for ranging of Multiple targets using IR–UWB Radar system. To accuracy estimate ranging of target, we need additional several processes to conventional ranging algorithm: compensation of signal power

Energy-Detection Based UWB Demodulator with a Supplementary Integration Block
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P Adrian ,Development and Application Systems ABSTRACT In this paper it is investigated the non-coherent demodulation of the 2PPM modulated UWB signal, based on energy-detection. This type of demodulation leads to a simple receiver architecture, low power consumption and the benefit of multipath energy

Analysis of Improved Designs and Characteristics of UWB Antennas
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S Ruparelia, H Parmar ABSTRACT Nowadays researchers have become more and more interested in UWB technology for different applications such as short-range high-speed mobile communications, high data rate wireless communications, high-accuracy radars, as well as the imaging systems.

Joint Estimation of Time of Arrival and Channel Power Delay Profile for Pulse-Based UWBSystems
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F Shang, B Champagne, I Psaromiligkos ,lesc.det.unifi.it ABSTRACT Sub-Nyquist maximum likelihood (ML)-based time of arrival (TOA) estimation methods for ultra-wideband (UWB) signals normally assume a priori knowledge of the UWB channel in the form of the average power delay profile (APDP). In practice however, and

A Compact Monopole CPW-Fed Band Notch Square-ring Antenna for UWB Applications
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D Kumar, T Singh, V Gupta, H Singh ABSTRACT This paper presents the design of compact CPW-fed band notched UWB square ring antenna. The main objective of this proposed research work is to reduce the size of antenna and avoid interference between UWB and WLAN application at 5.5 GHz. The

Demonstration of a Low-Cost Monocycle Pulse for UWB Radio Transceiver
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R Thai-Singama, JP Belin, F Du Burck, M Piette ABSTRACT This paper presents a simple and original method for the generation of short monocycle pulses based on the transient response of a passive band-pass filter. The recorded sub-nanosecond pulses show a good symmetry and a small ringing (13% of the

MAI and MI Performance of the Orthogonal Complementary Code Based DS-BPAM UWBSystem
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Z Bai, F Zhao, Y Xu, D Yuan, K Kwak ,www-mobile.ecs.soton.ac.uk ABSTRACT In this paper, we investigate the performance of the orthogonal complementary code (OCC) based direct sequence ultra wideband (DS-UWB) system. OCC has perfect partial autocorrelation and cross-correlation characteristics. With the application of OCC in

Propagation Models for the Characterization of the Indoor UWB Channel
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FS de Adana Ultra-wideband (UWB) technology has developed rapidly over the past several years. This technology is especially attractive in high-data-rate and short-range wireless communications. These applications make UWB technology suitable for indoor mobile

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uwb-ultra wideband research papers 2012 section 3
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