uwb-ultra wideband research papers 2012 section 3
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uwb-ultra wideband research papers 2012 section 3




A Joint ToA/DoA Technique for 2D/3D UWB Localization in Indoor Multipath Environment
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Z Irahhauten, H Nikookar, M Klepper ,lesc.det.unifi.it ABSTRACT In this paper, a 2D/3D UWB localization technique based on joint ToA/DoA in indoor dense multipath environment is proposed. In this method, direction of arrival (DoA) is estimated from time of arrival (ToA). The joint usage of ToA and DoA results in an accurate

Various Slotted UWB Antenna for IEEE 802.15. 3a Application
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ABSTRACT The basic circular monopole antenna exhibits a 10 dB return loss bandwidth over the entire frequency band, the paper proposed a modified version of simple circular monopole antenna for WPAN application. The antenna offers excellent performance in the

Super-Resolution UWB Radar Imaging Algorithm Based on Frequency Domain Interferometer
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S Kidera, T Kirimoto ,radar.ee.uec.ac.jp ABSTRACT Near field radar employing UWB (Ultra Wideband) signals with its high range resolution has great promise for various sensing applications. It enables non-contact measurement of precision devices with specular surfaces like an aircraft fuselage and

REVIEW OF TECHNIQUES FOR DESIGNING PRINTED ANTENNAS FOR UWB APPLICATION
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ABSTRACT Due to the rapid development in the field of wireless communications there is an increasing demand for higher data rate and large bandwidth. The emerging Ultra Wideband (UWB) is a promising technology as it can accommodate higher data over a large

Improvement Performance of TH-UWB System Using Spatiotemporal Chaotic Sequences
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A Naanaa, S Belghith ,cmsim.eu ABSTRACT. The residential environments are an important scenario for Ultra Wide Band (UWB) communication systems. In this paper, the performance of correlating receivers operating in a Line-Of-Sight (LOS) scenario in these environments is evaluated. In such channel the

Planar Monopole UWB Antennas with Cuts at the Edges and Parasitic Loops
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K Costa, V Dmitriev In ultra wideband (UWB) systems, extremely short pulses are used. These pulses can provide data with high bit rate. They usually occupy ultra wide band in the frequency domain. The spectrum of frequencies reserved for these systems is 3.1-10.6 GHz.

Outage Analysis of Cooperative TH UWB Systems
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G Pan, E Ekici, Y Chen, Q Feng ABSTRACT In this paper, we study the outage behavior of a relay-based communication channel for time hopping ultrawideband (TH UWB) systems. Specifically, we analyze the outage probability and e-outage capacity in single relay network scenarios, and outage

New Triangle-Ring UWB Bandpass Filter with Sharp Roll-Off and Dual Notched Bands
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HW Wu, YW Chen, YF Chen, CY Hung ABSTRACT This paper presents a new ultra-wideband (UWB) bandpass filter (BPF) with sharp roll-off and dual-notched bands. The filter consists of a triangle ring multi-mode resonator (MMR) with the stub-loaded resonator (SLR) for controlling the two transmission zeros at

Performance Analysis of UWB System
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ABSTRACT MB-OFDM UWB communication technology use orthogonal UWB pulse sequence and multiple sub channels to achieve reliable high data rate transmission and spectral efficiency. In this paper, we followed the standard proposal IEEE 802.12. 3a to implement

LOCALIZATIONS OF MULTIPLE TARGETS USING MULTISTATIC UWB RADAR SYSTEMS
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JS Park, IS Baek, SH Cho ,casp.hanyang.ac.kr ABSTRACT To estimate the coordinates of multiple targets, the arrangement of radar sensors is very important. This paper uses four Ultra Wide Band (UWB) radar modules at four directions in the room. In multiple targets, there is some probability to choose ghost targets (

AMatched FILTERING TECHNIQUE FOR NONINVASIVE MONITORING OF HUMAN RESPIRATION USING IR-UWB RADAR
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ABSTRACT Impulse Radio Ultra Wideband (IR-UWB) signals are excellent candidates for use in radars for detection and monitoring of movements with small amplitude such as human breathing in presence of obstacles. This paper reports a method for noninvasive

Design of A Planar UWB Antenna based on Inverted E-shaped Patch With Dual Band-Notched Characteristics
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M MOOSAZADEH, Z ESMATI ,nobel.gen.tr Quick development of wireless communication in the field of UWB technology and its applications has increased demand in commerce and industry . Designing the UWB antenna in these communication systems with proper dimensions, optimization and high

A 26 GHz UWB CMOS IR-UWB Transmitter with On-chip Balun
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KG Kjelgård, TS Lande ,folk.uio.no ABSTRACT A 22-29 GHz UWB pulse transmitter in 90 nm bulk CMOS is presented. The transmitter is based on mixing of a continuous running LC-tank 26 GHz signal with a pseudo Gaussian base-band pulse. To maximize pulse peak to peak voltage a single balanced

SEMI CIRCULAR MICROSTRIP LINE FED PRINTED MONOPOLE ANTENNAS FOR UWBCOMMUNICATION
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R PILLALAMARRI, GSB RAO, SS KUMAR ,acta.fih.upt.ro ABSTRACT In this paper we have investigated Microstrip line fed semi circular printed monopole antenna, which is basically printed microstrip antenna with etched ground plane for UWB applications. In particular we have simulated circular patch monopole antenna

Ultra Wideband (UWB) Pulse Reflection from a Dispersive Medium Half Space
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Q Zeng, GY Delisle ,cdn.intechweb.org Electromagnetic wave reflection from dispersive media has been a subject of interest to researchers for many years. The advent of ultra wideband (UWB) short pulse sources has recently attracted renewed interest in this aspect. Accurate modeling and improved

Optimized Joint Time Synchronization And Channel Estimation Scheme For Block TransmissionUWB Systems
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P SRIHARI 1PG Student, Department Of ECE, DIET,Anakapalli, Visakhapatnam, AP, INDIA. 2PG Student, Department Of CSIT, JNTUK college of Engineering, Visakhapatnam, AP, INDIA 3Associate Professor, Department Of ECE, DIET,Anakapalli, Visakhapatnam, AP, INDIA. 4Associate

A Robust Reception of IEEE 802.15. 4a IR-TH UWB in Dense Multipath and Gaussian Noise
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F Haroon, H Rasheed, KM Ahmed ABSTRACT IEEE 802.15. 4a impulse radio-time hopping ultra wide band (IR-TH UWB) physical layer, due to small duty cycle and very short pulse widths is robust against multipath propagation. However, scattering and reflections with the large number of obstacles in

An Ultra-Wideband (UWB) Ad Hoc Sensor Network for Real-time Indoor Localization of Emergency Responders
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A Lo, A Yarovoy, T Bauge, M Russell, D Harmer, B Kull A localization system is a network of nodes, which is used by an unknown-location node to determine its physical location. The Global Navigation Satellite System, GNSS (Hofmann-

Super-Resolution Object Recognition Approach for Complex Edged Objects by UWB Radar
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R Salman, I Willms ,cdn.intechopen.com Technical investigation, research and development in the wide field of security technology have been increased in recent years. Robotics as a great deal of this progress aims at advanced mobile security robots that can measure their surrounding environment

UWB FMCW Radar for Concealed Weapon Detection: RF front-end development
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ABSTRACT In recent years, the escalation of terroristic threats has caused an increase of security measures at sensible locations like airports and government buildings. Current methods for concealed weapon detection are either ineffective, slow or bulky, limiting their

Performance of DPPAM UWB Communication Systems over Indoor Fading Channels
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T Lu, H Zhang, TA Gulliver ,www-mobile.ecs.soton.ac.uk (DPPAM) is considered in an ultra wideband (UWB) communication system. DPPAM combines differential pulse position modulation (DPPM) and pulse amplitude modulation (PAM) to provide good performance with low computational complexity. The DPPAM UWB

Design and Implementation of an Integrated Rf Antenna-Filter Co-Design For Uwb Applications
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ABSTRACT In the co-design approach, the patch antenna and hairpin filter is sandwiched with ground plane. The impedance at the interfaces is optimized to improve the performance of the antenna-filter, without restricting it to 50?. Impedance optimization is done using via

On the security of UWB secret key generation methods against deterministic channel prediction attacks
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ABSTRACT Generating secret keys in mobile wireless networks is considered a challenging problem where a key management infrastructure is not always available. Recent security methods have shown that secret keys can be generated using Ultra Wide Band (UWB)

Design A Compact CPW-fed UWB Antenna With WLAN band notch characteristic
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A Rajput, D Verma, J Kishan, T Singh ABSTRACT UWB antenna with single band-notch characteristics, to obtain WLAN band-notch characteristic, is being proposed in this paper. In this paper, we have designed a compact coplanar waveguide (CPW) fed UWB antenna. The proposed antenna works in frequency

A Novel Clover Shaped Novel UWB Antenna with Filtering Properties
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Abstract A novel printed monopole antenna with multi stop band property is presented. The proposed antenna consists of a clover shape radiating patch to perform better in lower frequencies and a defected semi ellipse ground plane to have better impedance matching

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