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Galensa, Klaus
Hamburg, Germany
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Klaus Galensa joined Siemens AG in Germany more than ten years ago. He is a systems engineer in telecommunications. He also worked as a software developer for Siemens in Florida. Galensa is responsible for performance, traffic management, and quality of service issues in wireless access networks, so he carefully studies many technical papers, and then hopes for a brainstorm that solves his technical problems. Since that usually does not work, he often meets with other engineers, drinking coffee until somebody has a flash of inspiration. Currently, he is trying to improve the capacity of nodes in third generation radio access networks.

As a teenager, Galensa wanted to become a mathematician, but then read W. Ross Ashby's An introduction to cybernetics, and decided to study computer science at the University of Bremen. He never lost his knack for mathematics, though.

His technical interests are in wireless communications, system performance analysis, stochastic modeling, real time operating systems, and teletraffic theory.

Galensa's personal interests are photography, French sociology, and ballroom dancing. He is married, and has a young son.

Date Reviewed  
- 10 of 79 reviews

   Raspberry Pi supercomputing and scientific programming: MPI4PY, NumPy, and SciPy for enthusiasts
Pajankar A., Apress, New York, NY, 2017. 171 pp.  Type: Book (978-1-484228-77-7)

Raspberry Pi is a single-board computer developed by a British charity to promote a different way of teaching computer science in schools, away from applications and web design and geared toward programming and experimentation. Raspber...

Apr 26 2018  
   Programming in HTML and PHP: coding for scientists and engineers
Brooks D., Springer International Publishing, New York, NY, 2017. 293 pp.  Type: Book (978-3-319569-72-7), Reviews: (1 of 2)

The webpage that you read this review on is very likely coded in Hypertext Markup Language (HTML). Web browsers receive HTML documents from a server and render them into webpages. HTML is used to display content and to modify the appea...

Feb 7 2018  
   Information theory and coding: solved problems
Ivaniš P., Drajić D., Springer International Publishing, New York, NY, 2016. 517 pp.  Type: Book (978-3-319493-69-5)

This book differs from the many other textbooks on information and coding theory in that it provides a plentitude of examples, presented in the form of solved problems. Whereas other books may offer a more rigorous mathematical treatme...

Jan 18 2018  
   Raspberry Pi 3 in easy steps
McGrath M., In Easy Steps Limited, Warwickshire, UK, 2016. 192 pp.  Type: Book (978-1-840787-29-0)

Raspberry Pi is a single-board computer developed in 2011 by a British charity to promote a different way of teaching computer science in school, away from applications and web design toward programming and experimentation. Raspberry P...

Aug 11 2017  
   ggplot2: elegant graphics for data analysis (2nd ed.)
Wickham H., Springer International Publishing, New York, NY, 2016. 260 pp.  Type: Book (978-3-319242-75-0)

R is an open-source programming language that is popular for statistical computing and graphics. It provides a variety of statistical (linear and nonlinear modeling, statistical tests, time-series analysis, clustering, and so on) and g...

May 30 2017  
   Applied computer science (2nd ed.)
Torbert S., Springer International Publishing, New York, NY, 2016. 290 pp.  Type: Book (978-3-319308-64-7)

The goal of this book is to “encourage, prepare and challenge” talented computing students. The goal is not to motivate students without talent. As the author states in the preface: “Efforts to increase st...

Jan 25 2017  
   Cryptography made simple
Smart N., Springer International Publishing, New York, NY, 2015. 481 pp.  Type: Book (978-3-319219-35-6)

The goal of cryptography is to obfuscate data for unintended recipients. It is thus an important discipline in the digital age, and the foundation for information security in many applications, like the Internet and wireless communicat...

Oct 19 2016  
   The future X network: a Bell Labs perspective
Weldon M., CRC Press, Inc., Boca Raton, FL, 2015. 472 pp.  Type: Book (978-1-498759-26-7), Reviews: (2 of 2)

In its long history, “Bell Labs research as an organization has never written a book.” Now, as its president Marcus K. Weldon states, the time seemed right to write this book: “We are at the nexus of a hum...

Jul 15 2016  
   Introduction to MIMO communications
Hampton J., Cambridge University Press, New York, NY, 2014. 300 pp.  Type: Book (978-1-107042-83-4)

The use of multiple antennas at the transmitter and/or at the receiver of wireless communication systems has rapidly gained in popularity over the past decade due to its four powerful performance-enhancing capabilities: array gain, spa...

Jun 16 2015  
   An introduction to mathematical cryptography (2nd ed.)
Hoffstein J., Pipher J., Silverman J., Springer Publishing Company, Incorporated, New York, NY, 2014. 538 pp.  Type: Book (978-1-493917-10-5)

In a 2009 review of the first edition of this book [1], reviewer Burkhard Englert wrote: “As an undergraduate mathematical textbook, the book is excellent from start to finish. The authors don’t just run from proof ...

Mar 10 2015  
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