Position estimation via ultra-wide-band signals

S Gezici, HV Poor - Proceedings of the IEEE, 2009 - ieeexplore.ieee.org
The high time resolution of ultra-wide-band (UWB) signals facilitates very precise position
estimation in many scenarios, which makes a variety applications possible. This paper …

[Књига][B] Ultra-wideband positioning systems: theoretical limits, ranging algorithms, and protocols

Z Sahinoglu, S Gezici, I Güvenc - 2008 - books.google.com
Position estimation of wireless devices has many applications in short-range networks. Ultra-
wideband (UWB) signals provide accurate positioning capabilities that can be harnessed in …

Ultra-wideband communications: an idea whose time has come

L Yang, GB Giannakis - IEEE signal processing magazine, 2004 - ieeexplore.ieee.org
Ultra-wideband (UWB) radio is a fast emerging technology with many unique attractive
features that promotes major advances in wireless communications, networking, radar …

Ultra-wideband (UWB) communications systems: an overview

TKK Tsang, MN El-Gamal - The 3rd International IEEE …, 2005 - ieeexplore.ieee.org
This paper presents an overview of the ultra-wideband (UWB) technology for wireless
communications systems. Following a brief review of the UWB basic principles, the …

A wideband CMOS variable gain amplifier with an exponential gain control

HD Lee, KA Lee, S Hong - IEEE Transactions on Microwave …, 2007 - ieeexplore.ieee.org
A CMOS wideband cascaded variable gain amplifier (VGA) with a temperature-independent
exponential gain control characteristic is presented in this paper. The exponential gain …

0.15-nJ/b 3–5-GHz IR-UWB system with spectrum tunable transmitter and merged-correlator noncoherent receiver

L **a, K Shao, H Chen, Y Huang… - IEEE Transactions …, 2011 - ieeexplore.ieee.org
Carrierless impulse radio ultra-wideband (IR-UWB) radios have attracted significant
research interest due to their low system complexity and power consumption. Unfortunately …

Frequency planning and synthesizer architectures for multiband OFDM UWB radios

C Mishra, A Valdes-Garcia, F Bahmani… - IEEE Transactions …, 2005 - ieeexplore.ieee.org
This work presents an analysis on frequency planning and synthesis for multiband (MB)
orthogonal frequency-division multiplexing (OFDM) ultra-wideband (UWB) radios operating …

A low-voltage high-linearity ultra-wideband down-conversion mixer in 0.18-μm CMOS technology

JD Chen - Microelectronics Journal, 2011 - Elsevier
This paper presents a wideband mixer chip covering the frequency range from 3.4 to 6.8
GHz using TSMC 0.18 μm CMOS technology. The linearity can be improved using multiple …

Wideband VGAs using a CMOS transconductor in triode region

HD Lee, KA Lee, S Hong - 2006 European Microwave …, 2006 - ieeexplore.ieee.org
Wideband variable gain amplifiers (VGAs) fabricated using 0.18 mum CMOS process are
presented. A scheme with a CMOS triode transconductor is proposed to achieve linear-in-dB …

Compressive sampling based energy detection of ultra-wideband pulse position modulation

S Gishkori, G Leus - IEEE Transactions on Signal Processing, 2013 - ieeexplore.ieee.org
Compressive sampling (CS) based energy detectors are developed for ultra-wideband
(UWB) pulse position modulation (PPM), in multipath fading environments so as to reduce …