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Mixed-Signal Multimode Radio Software/Hardware Development Platform

N. Mrabet, F. Mkadem, O. Petelin, H. Medini, S. Boumaiza
2013 IEEE Microwave Magazine  
This thesis presents a development platform for multimode radio which comprises mixed-signal modules. The platform provides the capacity for hardware and software development.  ...  In fact, the FPGA under investigation allowed for the implementation of a baseband transceiver and DPD schemes.  ...  The combination of a MATLAB dashboard linked to a FPGA, a flexible RF transmitter and feedback receiver allows for the generation and acquisition of multimode signals.  ... 
doi:10.1109/mmm.2012.2226639 fatcat:n4s3hx3ymje5nj63ihiozfqmge

Introduction to the special issue on IEEE-Latin American symposium on circuits and systems

Antonio Garcia Rozo, Maciej Ogorzalek, Pedro Julian
2012 Analog Integrated Circuits and Signal Processing  
; (8) mixed Cartesian feedback for Zero-IF WCDMA transmitter; (9) power efficient SDS motion estimation architecture using dynamic iteration control and hierarchical adder compressors for real time HDTV  ...  , with emphasis on the design and analysis of VLSI systems and low power systems.  ... 
doi:10.1007/s10470-012-9974-9 fatcat:2d4nqjehcbhjfo5g2doskr4m4i

RF Transmitter Architectures for Nomadic Multi-radio: A Review of the Evolution Towards Fully Digital Solutions

Antoine Diet, Fabien Robert, Genevieve Baudoin, Martine Villegas, Philippe Cathelin, Pascal Triaire, Ajib Bahi
2013 Recent Patents on Electrical & Electronic Engineering e  
The conception of fully digital architectures is discussed in that idea. Our work in this domain is presented as a contribution in the study of transmitter architecture for multi-radio.  ...  In the second part, a classification of the RF transmitter architectures and their evolution are proposed.  ...  ACKNOWLEDGEMENTS The authors acknowledge ST Microelectronics for the realization and measures of the active filter.  ... 
doi:10.2174/22131116113069990006 fatcat:usf2bgwwmvax3lrqnn46il64n4

Design of large polyphase filters in the Quadratic Residue Number System

Gian Carlo Cardarilli, Alberto Nannarelli, Yann Oster, Massimo Petricca, Marco Re
2010 2010 Conference Record of the Forty Fourth Asilomar Conference on Signals, Systems and Computers  
source separation, if the number of sources is more than the number of mixtures, for estimation of the mixing matrix and consequently the sources, often a single dominant component sparse component analysis  ...  A new sufficient condition for mixed l2\l1-optimization algorithm is derived to successfully recover k-sparse signals.  ... 
doi:10.1109/acssc.2010.5757589 fatcat:ccxnu5owr5fyrcjcqukumerueq

A/D and D/A Conversion Architectures and Techniques [chapter]

Sameer Sonkusale, Takis Zourntos
2005 Encyclopedia of RF and Microwave Engineering  
The RF front end includes a low-noise amplifier (LNA) for the receiver and a power amplifier (PA) for the transmitter.  ...  For D/A conversion, the modulator is implemented entirely in digital form; for A/D converters, the modulator is a mixed-signal loop. from which we see that if the matching conditions G 1 ¼ ð1 À H 12 Þ  ... 
doi:10.1002/0471654507.eme079 fatcat:ltl32w64hnfundph4a2ea6pq3m

Adaptive RF Front-Ends [chapter]

André van Bezooijen, Reza Mahmoudi, Arthur van Roermund
2010 Adaptive RF Front-Ends for Hand-held Applications  
for analog and mixed-signal circuit implementations.  ...  Most power amplifiers use a mix of technologies.  ...  This power limitation reduces maximum radiated power, under extremes, which is a disadvantage of this approach.  ... 
doi:10.1007/978-90-481-9935-8_2 fatcat:7gnvfg42pbaolod5juzqixjyxu

An enhanced modulated waveform measurement system

M Akmal, V Carrubba, J Lees, J Benedikt, P Tasker
2012 Australian Journal of Electrical & Electronics Engineering  
frequency (IF) components and therefore study the effect of both IF and RF signals on device behaviour such as base-band memory effects.  ...  Analysis of these waveforms in the time domain becomes difficult due to the frequency difference between the baseband IF and the RF carrier, resulting in a large number of zero crossing points within the  ... 
doi:10.7158/e11-033.2012.9.4 fatcat:7gzidipyhjhdjnscongukxpd3y

Twenty-Fourth Annual Meeting

1961 Yearbook of the Association of Pacific Coast Geographers  
Mapping studies are carried out by a method of localized and vectorial magnetic stimulation using a figure eight coil [Ueno et al., 1988].  ...  INTRODUCTION: Transcranial magnetic stimulation (TMS) has become an important tool for the study of the functional organization of the human brain as well as for the potential treatment of central nervous  ...  Based on previous study data (see fig) and assuming a desired minimum statistical power  ... 
doi:10.1353/pcg.1961.0002 fatcat:wjktatvkjbb33juvublqfni4sq

Twenty-Fourth Annual Meeting

2001 Journal of Hand Therapy  
Mapping studies are carried out by a method of localized and vectorial magnetic stimulation using a figure eight coil [Ueno et al., 1988].  ...  INTRODUCTION: Transcranial magnetic stimulation (TMS) has become an important tool for the study of the functional organization of the human brain as well as for the potential treatment of central nervous  ...  Based on previous study data (see fig) and assuming a desired minimum statistical power  ... 
doi:10.1016/s0894-1130(01)80063-6 fatcat:usav2uuoefdo7herviprslxaba

Optimized network dimensioning and planning for WiMAX technology

V. Teterin, S. Hurley
2014 Ad hoc networks  
There is a number of published dimensioning methodologies for WCDMA technology, one of which provides a good analysis [115] for existing techniques.  ...  In this work it is assumed that if a power level is chosen for the sector then all the users within the cell will be sent a signal at the same power level irrespective of the channel conditions. α -tilt  ...  In other words to increase profit for the company while improving the quality of service they provide to network users, enhancing the coverage level and the overall capacity of the system in order to reduce  ... 
doi:10.1016/j.adhoc.2013.08.016 fatcat:cwy3lgcouzdltbsmwn52hdpkh4

An Evolutionary Game-Based Mechanism for Routing P2P Network Flow among Selfish Peers

Fang Zuo, Wei Zhang
2014 Journal of Networks  
Telecommunication networks need to support a wide range of services and functionalities with capability of autonomy, scalability and adaptability for managing applications to meet business needs.  ...  The DAIM model uses a group of standard switches, databases, and corresponding between them by using DAIM agents.  ...  Further study of current inner loop control, it takes the DC capacitor voltage values as feedback signal to reflect active power demand.  ... 
doi:10.4304/jnw.9.01.10-17 fatcat:tbmafdamk5am7a6ba26gsxzydq

Wide-band mixing DACs with high spectral purity [article]

E Elbert Bechthum, AHM Arthur Van Roermund, GI Georgi Radulov
Citation for published version (APA): Bechthum, E. (2015) . Wide-band mixing DACs with high spectral purity. Eindhoven: Technische Universiteit Eindhoven.  ...  Section 2.7 gives an overview of the performance of state-of-the-art Mixing-DAC publications. Traditional transmitter A popular transmitter architecture is the zero/low-IF transmitter.  ...  Like most transmitters, the zero-/low IF transmitter exhibits a separation between low-frequency baseband functions, i.e. the Digital to Analog Converter (DAC), and the high-frequency RF functions, i.e  ... 
doi:10.6100/ir789211 fatcat:sr6ilxsdqvambjtihzbn2rqbxi

D6.1 Trials and experimentation - cycle 1

2019 Zenodo  
The document provides a methodology for experimentation and de-ployment of 5G experimentation platforms with the target of measuring metrics and 5G Key Performance Indicators (KPIs).  ...  The executive summary and conclusion sections were extended to reflect the new structure of the document. As such, Version 2 of deliverable D6.1 provides a more condensed document when compared [...]  ...  RF attenuator between the backhaul unit and the antenna (both Rx and Tx). ii. Mixing the signal with the output of an external noise generator. iii.  ... 
doi:10.5281/zenodo.5603820 fatcat:eiflnrqdn5cpxglp5br4lsydcq

Methodologies for multi-radio coexistence : self-interference suppression techniques [article]

EJG Erwin Janssen, PGM Peter Baltus, JWM Jan Bergmans, D Dusan Milosevic
Additive white Gaussian noise (AWGN): Generally, the transmitter will have both power gain and a non-zero noise figure.  ...  Because the coupling changes are unknown a-priori, a feedback approach is chosen here. The speed requirements for the feedback path are relatively low, typically below 1kHz.  ...  In 2008 he graduated within the Mixed-signal Microelectronics group on the analysis, design, implementation and evaluation of a balanced 60GHz LNA.  ... 
doi:10.6100/ir771669 fatcat:y6adknvnw5g5vlsmhybtdvl7y4

Zhu_columbia_0054D_14107.pdf [article]

The LNA architecture uniquely provides ultra high bandwidth and low NF at low frequencies.  ...  The projects originate from the concept of thermal noise canceling techniques and further enhance the RF performance and add features for more capable SDR receivers.  ...  The widely adopted zero-IF (direct-conversion) and low-IF receivers eliminate the use of external image-rejection filters and IF filters.  ... 
doi:10.7916/d8q531xx fatcat:nylvkrbghvdvfjmgulb7jcrpem
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