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An Energy-Efficient All-Digital UWB Transmitter Employing Dual Capacitively-Coupled Pulse-Shaping Drivers

Patrick P. Mercier, Denis C. Daly, Anantha P. Chandrakasan
2009 IEEE Journal of Solid-State Circuits  
By exploiting relaxed center frequency tolerances in non-coherent wideband communication, the transmitter synthesizes UWB pulses from an energy-efficient, single-ended digital ring oscillator.  ...  The transmitter is fabricated in a 90 nm CMOS process and occupies a core area of 0.07 mm 2 .  ...  ACKNOWLEDGMENT The authors thank Nathan Ickes for testing support.  ... 
doi:10.1109/jssc.2009.2020466 fatcat:hampkv3fkzdznc4rg5mxvqrrru

An inductorless 3–5 GHz band-pass filter with tunable center frequency in 90 nm CMOS

Tuan Anh Vu, Shanthi Sudalaiyandi, Hakon A. Hjortland, Oivind Nass, Tor Sverre Lande
2013 2013 IEEE International Symposium on Circuits and Systems (ISCAS2013)  
The proposed IR-UWB receiver front-end is suitable for high-precision low-power low data-rate communication over a relative short range for WSN applications such as ranging and localization.  ...  Impulse radio ultra-wideband (IR-UWB) has been an interesting area of research for lowpower short-range applications.  ...  Acknowledgements This thesis has been submitted to the Faculty of Mathematics and Natural Sciences at the University of Oslo as a part of the requirements for the degree of Philosophiae Doctor in informatics  ... 
doi:10.1109/iscas.2013.6572088 dblp:conf/iscas/VuSHNL13 fatcat:qsh4hcdyobh2tj33ga5t3zdlqi

Experimental Analysis of 60-GHz VCSEL and ECL Photonic Generation and Transmission of Impulse-Radio Ultra-Wideband Signals

Marta Beltran, Jesper Bevensee Jensen, Roberto Llorente, Idelfonso Tafur Monroy
2011 IEEE Photonics Technology Letters  
This technique permits dual operation in the 3.110.6 GHz and in the 60 GHz band.  ...  The 60 GHz UWB systems proposed could operate in a dual 3.110.6 GHz/60 GHz configuration if desired, but dual operation is out of the scope of this thesis. 60 GHz operation would reuse and extend UWB  ... 
doi:10.1109/lpt.2011.2153841 fatcat:7tt6y5jcgfe4led42pdd5lvfre

A Low SIR Impulse-UWB Transceiver Utilizing Chirp FSK in 0.18 $\mu{\rm m}$ CMOS

Murli U. Nair, Yuanjin Zheng, Chyuen Wei Ang, Yong Lian, Xiaojun Yuan, Chun-Huat Heng
2010 IEEE Journal of Solid-State Circuits  
Index Terms-Chirp spread spectrum (CSS), CMOS, frequencyshift keying (FSK), non-coherent, signal to interference ratio (SIR), transceiver, ultrawideband (UWB).  ...  Implemented in 0.18 m CMOS, the transceiver can sustain data rates up to 20 Mbps, and achieve energy efficiency of 0.77 nJ/bit for transmitting and 2.7 nJ/bit for receiving under 1.8 V supply.  ...  INTRODUCTION I N 2002, the Federal Communications Committee (FCC) opened up the frequency band from 3.1-10.6 GHz for ultrawideband (UWB) communication, which has signal spectrum occupying more than 500  ... 
doi:10.1109/jssc.2010.2074232 fatcat:v3cbgzaz4zd3tnes66d3l5thlu

Isolation enhancement of planar disc antenna and ground plane in UWB applications

E. Ebrahimi, O. Litschke, R. Baggen, P.S. Hall
2010 Electronics Letters  
Furthermore, the antenna integration within a device platform is studied.  ...  As a result the radiation pattern, gain and group delay are stabilised across the band. ii  ...  Table 3 . 3 1 FCC emission power limit for various UWB applications in each operating band Operation Band (GHz) Application 0.96 to 1.61 1.61 to 1.99 1.99 to 3.1 3.1 to 10.6 10.6 to  ... 
doi:10.1049/el.2010.2775 fatcat:fwnvm55bercfjojffhzcbg5cii

Ultra-Wideband Radio [chapter]

Kazimierz Siwiak
2005 Encyclopedia of RF and Microwave Engineering  
Therefore, we thank many people for their generous contributions and efforts to make this work as up-to-date and accurate as is possible with such a fluid topic.  ...  Acknowledgements This work is a product of teamwork, by design. The team extends well past the synergy of the two named authors, though.  ...  , and placed between 3.1 and 10.6 GHz.  ... 
doi:10.1002/0471654507.eme561 fatcat:u6qcchapnrd23fpdipovspph3y

RFIC 2020 Program

2020 2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC)  
RTu1A-4 A 126GHz, 22.5% Tuning, 191dBc/Hz FOMt 3rd Harmonic Extracted Class-F Oscillator for D-Band Applications in 16nm FinFET Bart Philippe, Patrick Reynaert; KU Leuven, Belgium Abstract: This paper  ...  Abstract: This paper reports on the design of a 60 GHz low-noise amplifier (LNA) with a linear and power efficient gain tuning mechanism in a 65 nm CMOS process.  ...  a driver for an external common-gate (CG) power amplifier (PA).  ... 
doi:10.1109/rfic49505.2020.9218389 fatcat:fqkpw3oau5gzpoi3gscgb7kwhi

A 70 pJ/Pulse Analog Front-End in 130 nm CMOS for UWB Impulse Radio Receivers

Nick Van Helleputte, Georges Gielen
2009 IEEE Journal of Solid-State Circuits  
This paper presents an integrated ultra-low power analog front-end (AFE) architecture for UWB impulse radio receivers.  ...  Furthermore a fully integrated prototype of the analog front-end, containing a PLL, programmable clocking generator, analog pulse correlator, a linear-in-dB variable gain amplifier and a 4-bit ADC, is  ...  An effective isotropically radiated power (EIRP) of 41.3 dBm MHz is allowed in the 0-960 MHz band (currently available for imaging and ranging) and in the 3.1-10.6 GHz band.  ... 
doi:10.1109/jssc.2009.2020220 fatcat:6yia2mcudzgvdc2pdxzp2cbasy

Polarity-reversed ultra-wideband monocycle pulse generation with dual-channel multicasting in a photonic crystal fiber

Gong Jiamin, Hui Zhanqiang
This makes it very attractive for engineering applications in future multiuser ultra-wideband-over-fiber communication systems.  ...  The full width at half-maximum and a fractional bandwidth of 24 ps and 260% for a positive pulse, 24 ps and 251% for a negative pulse are obtained.  ...  to multipath fading, enhanced penetration capability, large bandwidth and high data rates under unlicensed spectrum from 3.1 to 10.6 GHz [1] .  ... 
doi:10.5277/oa150103 fatcat:ygpj2ydi7zg4rkd4nzcxuipr34

Radio frequency-powered mixed-signal microcontroller with wireless ultra-wideband transmitter for electrochemistry and biosensing

Ondrej Novak
This research achieved the goal of implementing a single-chip low-power microcontroller for prototyping of biomedical applications with a wide range of electrochemical sensors and actuators.  ...  Experimental data capturing the UWB signal transmission through an animal head are presented and a statistical model for large-scale signal fading is developed.  ...  The LC tank is tuned to resonate at 1.6 GHz. Its differential output is fed into a comparator which outputs a square clock signal.  ... 
doi:10.26053/0h-xrm7-npg0 fatcat:fck7svq4czgajn7tdwc3uf3h2m

Analysis and design of wideband dielectric resonator antennas in frequency and time domains

Mian Shahzad Iqbal
This thesis presents the design and characterization of novel yet simple configurations of DRAs for wideband and ultrawideband (UWB) applications.  ...  Hence, a third-order Rayleigh pulse is introduced and tuned in to efficiently make use of the allowed spectrum limits whilst radiating highly correlated pulses.  ...  The SE is calculated over the 3.1-10.6 GHz FCC UWB band. It was found that SE is 52% for a third-order Rayleigh pulse with σ 3 = 70 ps.  ... 
doi:10.25949/19431620.v1 fatcat:f4o736t4y5bthg3lczdmtv3osy

Trace: Tennessee Research and Creative Exchange A Compact Ultra Wide-Band Radar System for See-Through-Wall Applications

Masters Theses, Stephen Magoon
2013 unpublished
A compact Ultra wide-band (UWB) radar system for through-wall applications has been developed.  ...  Tests show excellent pulse width generation, resulting in very broadband transmission (0.7 -5.6 GHz) and good receiver dynamic range, resulting in accurate measurement capabilities. iv  ...  FCC Compliance The Federal Communications Commission has mandated maximum power levels for UWB transmission at -41 dBm from 3.1 to 10.6 GHz.  ... 

Compact Implantable Antennas for the Cerebrospinal Fluid Monitoring

Mohamed Manoufali, Konstanty Bialkowski, Beadaa Mohammed, Paul C. Mills, Amin Abbosh
2019 IEEE Transactions on Antennas and Propagation  
IMDs are placed inside the human body for diagnosis, monitoring and therapeutic applications.  ...  The main findings of this thesis show that employing a voltage controlled oscillator (VCO) with a stable implantable antenna is effective to monitor DPs of CSF.  ...  interference and security issues -Data communication from coupling links, RF data communication in MedRadio, higher ISM bands (433.92, 915 MHz and 2.45 GHz) or even ultra wide band (UWB), 3.110.6  ... 
doi:10.1109/tap.2019.2896722 fatcat:6mtyxynlrbfovji7pqkdoamfju

Optical broadband in-home networks for converged service delivery [article]

Y Yan Shi, AMJ Ton Koonen, E Eduward Tangdiongga
Solomon Abraha for sharing the office room and making  ...  I am also grateful for other former ECO people, Dr. Bas Huiszoon and Dr. Patryk Uban, who are so kind to give me suggestions and support. Special thankyou owed to Dr. Karen Solis-Trapala, Dr.  ...  Allocated from 3.1 to 10.6 GHz, a MB-OFDM UWB signal has a bandwidth of 528 MHz for each sub-band.  ... 
doi:10.6100/ir752630 fatcat:qvhe3ofhpvf5pekm7kynba5lou

Strategies for Time Domain Characterization of UWB Components and Systems

Elena Pancera
Recently released frequency band allocations by the authorities in several countries worldwide paved the way for future ultra-wideband applications.  ...  Signals will be spread over a very wide frequency range which leads to a very low spectral power density and therewith a low interference potential for all other wireless services.  ...  of UWB devices allocating a frequency band of 7.5 GHz between 3.1 and 10.6 GHz for communications purposes with a very low power spectral density of -41.3 dBm/MHz.  ... 
doi:10.5445/ksp/1000012414 fatcat:ti5os4vutvabpb76dngfeznknq
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