20,421 resources related to Digital Communication
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2017 IEEE/MTT-S International Microwave Symposium - MTT 2017
The IEEE MTT-S International Microwave Symposium (IMS) is the premier conference covering basic technologies, to passives and actives components to system over a wide range of frequencies including VHF, UHF, RF, microwave, millimeter-wave, terahertz, and optical. The conference will encompass the latest in RFIC, MIC, MEMS and filter technologies, advances in CAD, modeling, EM simulation, wireless systems, RFID and related topics.
2014 8th International Symposium on Turbo Codes & Iterative Information Processing (ISTC)
The Symposium will be an opportunity to acquire a broad overview of the current status of advanced research in iterative information processing and its application to information theory and digital communications. Dedicated session for contributions to information- and coding-theoretic investigations of genome structures, its evolution, and related topics are an additional focus of this year's Turbo symposium.
2013 IEEE Digital Signal Processing and Signal Processing Education Meeting (DSP/SPE)
signal processing, sampling, extrapolation, interpolation, modeling, deconvolution, filtering and adaptive systems, time-frequency analysis, multi-dimensional signal processing, image and video processing, distributed signal processing, implementations of signal processing systems
2013 IEEE International Symposium on Broadband Multimedia Systems and Broadcasting (BMSB)
The presentation and exchange of technical advances in the rapidly converging areas of multimedia broadcasting, telecommunications, consumer electronics, and networking technologies.
ISPLC 2012 will bring together academia and industry professionals as well as students and researchers to present and discuss ongoing work on existing and future power line communication (PLC) systems, PLC applications, PLC standardization activities. The contributions presented at ISPLC will span all aspects of communications over power lines, including access, home networking, in-vehicle applications, utility applications, smart grids, and more.
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
Broadcast technology, including devices, equipment, techniques, and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.
IEEE Communications Magazine was the number three most-cited journal in telecommunications and the number eighteen cited journal in electrical and electronics engineering in 2004, according to the annual Journal Citation Report (2004 edition) published by the Institute for Scientific Information. Read more at http://www.ieee.org/products/citations.html. This magazine covers all areas of communications such as lightwave telecommunications, high-speed data communications, personal communications ...
The design and manufacture of consumer electronics products, components, and related activities, particularly those used for entertainment, leisure, and educational purposes
The fundamental nature of the communication process; storage, transmission and utilization of information; coding and decoding of digital and analog communication transmissions; study of random interference and information-bearing signals; and the development of information-theoretic techniques in diverse areas, including data communication and recording systems, communication networks, cryptography, detection systems, pattern recognition, learning, and automata.
Telecommunications, 2008. AICT '08. Fourth Advanced International Conference on, 2008
In this work, we present the synchronizer as a significant part of a synchronous communication system. At high-speed communication, the synchronous system is advantageous over the asynchronous one, due to its greater transmission efficiency. We begin presenting four synchronizers which are the analog, the hybrid, the combinational and the sequential. All this synchronizers operate at a VCO frequency equal to ...
Acoustics, Speech, and Signal Processing, 1994. ICASSP-94., 1994 IEEE International Conference on, 1994
A typical assumption made in most of the existing blind channel estimation and/or equalization approaches is that the signal input to the digital communications channel is i.i.d. One important case where this is not true is that of correlative coded, or partial-response (PR), signals where a controlled amount of ISI (intersymbol interference) is introduced at the transmitting end in order ...
Communications, IEEE Transactions on, 1992
Space diversity and angle diversity experimental data have been collected over a three year period, using 64 quadrature amplitude modulation (QAM) radios, on the terrestrial microwave radio hop between Salton and Brawley in southern California. Both measured data and simulations have shown that the performance of angle diversity systems depends on the direction of transmission as well as the polarization ...
Proceedings of the IEEE, 2002
In April 1928, Harry Nyquist published the classic paper, "Certain Topics in Telegraph Transmission Theory" in the Transactions of the American Institute of Electrical Engineers. The paper gives a "mathematical" in addition to an "engineering" point of view of the subject matter. The history of digital communications has proved many of the concepts to be fundamental and they inspired and ...
Electronics Letters, 1974
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R. Corvaja; S. Pupolin Personal, Indoor and Mobile Radio Communications, 1997. Waves of the Year 2000. PIMRC '97., The 8th IEEE International Symposium on, 1997
The effects of oscillator phase noise on the performance of digital transmission systems employing QAM are investigated. The model used for the phase noise is a Wiener-Levy process which allows a moment characterization of the filtered phase noise. The penalty introduced by phase noise on the error probability is evaluated and compared with the approximation of a constant phase error
H. Pham; S. J. Upadhyaya Proceedings., Annual Reliability and Maintainability Symposium, 1989
The authors examine a method for improving the reliability of a class of fault-tolerant systems in digital data communication. They derive a general expression for the reliability of such systems and obtain a simple bound for the system reliability. The issue of minimizing the expected total system cost is discussed. A numerical example is given to illustrate the technique
R. Klein; M. Varanasi; L. Dunning Southeastcon '96. Bringing Together Education, Science and Technology., Proceedings of the IEEE, 1996
We examine several systematic (16,8) codes capable of double error correction (DEC) and triple adjacent error detection. In particular, we examine a linear version of the Nordstrom-Robinson (NR) code in the light of new findings by Hammons (see IEEE Trans. Inform. Theory, vol.40, p.301, 1994) and others, and compare it with the (16, 8) code by Gulliver and Bhargava (see ...
P. N. Safier; T. Antonsen; J. Qiu; B. G. Danly; B. Levush Third IEEE International Vacuum Electronics Conference (IEEE Cat. No.02EX524), 2002
Summary form only given. The explosive growth in telecommunications dictates the use of digital modulation techniques in wireless systems, and amplifiers for these systems must meet criteria that are usually specified in the time- domain. However, the physics-based nonlinear simulation of amplifiers such as traveling-wave tubes (TWTs) has been implemented traditionally in the frequency-domain, and traditional amplifier performance specifications usually ...
B. N. Schilit; R. Want Computer, 2005
Mobile devices are becoming smarter and less reliant on wireless communication, giving users real-time access to an entire digital world. The exponential growth in flash and disk storage is likely to continue for several years as manufacturers digitally encode more types of media and demand increasingly compact formats.
WIRELESS TRANSCEIVER SYSTEM DESIGN FOR MODERN COMMUNICATION STANDARDS
IEEE PELS Webinar Series-Galvanic Isolation for Power Supply Applications
MicroApps: How Digital Markets are Driving Microwave Technology (Agilent Technologies)
IMS 2011 Microapps - Digital Radio Testing Using an RF Channel Replicator
Analog to Digital Types
Virtual World Symposium - Educational Work
IMS 2012 Microapps - Simulating an NXP Doherty Power Amplifier with Digital Pre-Distortion
APEC Speaker Highlights: Robert White, Chief Engineer, Embedded Power
The Josephson Effect: Josephson Digital Electronics in the Soviet Union
Proloquo2Go AAC In Your Pocket
Analog to Digital Traits
RF Induced Communication Errors in RFFE MIPI Controlled Power Amplifiers: RFIC Interactive Forum
Utilizing Wireless Power and Communication in Medical Systems
Industrial Wireless Sensor Networks: Tutorial by Emiliano Sisinni
IEEE Top Trends for 2012 at CES: Metadata Automatically Organizes Digital Content
Your Digital Clone for Games, Videos, and More
Yamaha's Avant Grand Digital Piano Mimics Acoustic
MicroApps: Streamlining Radio Communication Link Design from Specifcation to Production (AWR)
GHTC 2012 Connectivity and Communication Panel Discussion
Frequency-selective fading caused by multipath time delay spread degrades digital communication channels by causing inter-symbol interference, thus resulting in an irreducible BER and imposing a upper limit on the data symbol rate. In this paper, a frequency-selective, slowly fading channel is studied by computer simulation. The unfiltered BPSK, QPSK, OQPSK, and MSK modulations are considered first to illustrate the physical insights and the error mechanisms. Two classes of modulation with spectral-shaping filtering are studied next to assess the tradeoff between spectral occupancy and the performance under the influence of time delay spread. The simulation is very flexible so that different channel parameters can be studied and optimized either individually or collectively. The irreducible BER averaged over fading samples with a given delay profile is used to compare different modulation/detection methods, while the cumulative distribution of short-term BER is employed to show allowable data symbol rates for given values of delay spread. It is found that both GMSK and QPSK with a raised-cosine Nyquist pulse are suitable for a TDM/TDMA digital portable communications channel.
This chapter contains sections titled: 5.1 Fast Compression With Bayesian Networks, 5.2 Communicating Extra Information through the Codeword Choice, 5.3 Relationship to Maximum Likelihood Estimation, 5.4 the "Bits-Back" Coding Algorithm, 5.5 Experimental Results, 5.6 Integrating Over Model Parameters Using Bits-Back Coding
This chapter contains sections titled: Half Title, Digital Communication, Title, Copyright, Contents, Series Foreword, Preface, Acknowledgments
Our contemporary concerns about food range from food security to agricultural sustainability to getting dinner on the table for family and friends. This book investigates food issues as they intersect with participatory Internet culture -- blogs, wikis, online photo- and video-sharing platforms, and social networks -- in efforts to bring about a healthy, socially inclusive, and sustainable food future. Focusing on our urban environments provisioned with digital and network capacities, and drawing on such "bottom-up" sociotechnical trends as DIY and open source, the chapters describe engagements with food and technology that engender (re-)creative interactions. In the first section, "Eat," contributors discuss technology-aided approaches to sustainable dining, including digital communication between farmers and urban consumers and a "telematic" dinner party at which guests are present electronically. The chapters in "Cook" describe, among other things, "smart" chopping boards that encourage mindful eating and a website that supports urban wild fruit foraging. Finally, "Grow" connects human-computer interaction with achieving a secure, safe, and ethical food supply, offering chapters on the use of interactive technologies in urban agriculture, efforts to trace the provenance of food with a "Fair Tracing" tool, and other projects. ContributorsJoon Sang Baek, Pollie Barden, Eric P. S. Baumer, Eli Blevis, Nick Bryan-Kinns, Robert Comber, Jean Duruz, Katharina Frosch, Anne Galloway, Geri Gay, Jordan Geiger, Gijs Geleijnse, Nina Gros, Penny Hagen, Megan Halpern, Greg Hearn, Tad Hirsch, Jettie Hoonhout, Denise Kera, Vera Khovanskaya, Ann Light, Bernt Meerbeek, William Odom, Kenton O'Hara, Charles Spence, Mirjam Struppek, Esther Toet, Marc Tuters, Katharine S. Willis, David L. Wright, Grant Young
In this chapter we focus on the Rayleigh, Nakagami-m, and lognormal fading channels since they are the most commonly used in digital communication system analyses and, as discussed previously, are typical of many wireless environments.
This chapter contains sections titled: 6.1 Review: Simplifying the Playing Field, 6.2 Graphical Models for Error Correction: Turbocodes, Low-Density Parity-Check Codes and More, 6.3 "A Code By Any Other Network Would Not Decode as Sweetly", 6.4 Trellis-Constrained Codes (TCCs), 6.5 Decoding Complexity of Iterative Decoders, 6.6 Parallel Iterative Decoding, 6.7 Speeding Up Iterative Decoding By Detecting Variables Early
This chapter contains sections titled: Introduction Classification of Implicit Training Methods IT-Based Estimation for a Single User IT-Based Estimation for Multiple Users Exploiting Array Processing: Continuous Transmission IT-Based Estimation for Multiple Users Exploiting Array Processing: Packet Transmission Open Research Problems Acknowledgments References
In this chapter, we present first a generic closed-form expression for the evaluation of the outage probability in interference-limited systems when the interferers are assumed to be subject to independent, identically distributed (i.i.d) fading. We then study multiuser systems that are not necessarily interference-limited and for which outage occurs when either the carrier-to- interference ratio (CIR) or the carrier-to-noise ratio (CNR) is less than its respective predetermined threshold value. Next, we quantify the reduction in the outage probability obtained when using low-complexity diversity combining schemes. We finally look into the combined effect of fading and cochannel interference on the outage rate and the average outage duration (AOD) of multiuser communication systems. It should be noted that the scope of our analysis in this chapter is limited to the effect of multipath fading and does not take into account the impact of lognormal shadowing.
This chapter contains sections titled: 2.1 Exact Inference Using Probability Propagation (The Sum-Product Algorithm), 2.2 Monte Carlo Inference: Gibbs Sampling and Slice Sampling, 2.3 Variational Inference, 2.4 Helmholtz Machines
Our goal in this chapter is to present the work of the past under a unified framework based on the maximum-likelihood approach and also to consider a larger number of situations corresponding to more sophisticated modulations, detection schemes, and fading channels. In addition, we shall treat a variety of combinations of channel state knowledge relating to the amplitude, phase, and delay parameter vectors associated with the fading channels. We begin our discussion by reviewing the mathematical models for the transmitted signal and generalized fading channel as introduced in previous chapters.
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Software Reverse Engineer - CTISL 1074
Georgia Tech Research Institute (GTRI)
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Argonne National Laboratory
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Georgia Tech Research Institute (GTRI)
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Georgia Tech Research Institute (GTRI)
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Georgia Tech Research Institute (GTRI)
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Schweitzer Engineering Laboratories, Inc.
Software Engineer Web Applications
Schweitzer Engineering Laboratories, Inc.