Welcome to the 2001 Edition

Edition 2001

Welcome to the fourth CD-ROM edition of "Wireless Communication, the Interactive Multi-Media CD ROM." This edition includes many new contributions as well as enhancements and extensions of existing material. This CD-ROM contains hundreds of HTML pages, 2000 GIF images, 250 JPEG images, embedded spreadsheets, hundreds of MPEG MP3 audio clips, QuickTime (.mov) and RealMedia video files, and 60 Adobe Acrobat PDF documents.

What's new in this edition?

JavaScript^TM	The JavaScript spreadsheets, called Special Purpose Embedded Calculators, appeared to be a popular innovation in the 1999 edition. These allow you to interactively experiment with formulas used in Wireless Communication. We included many more SPECs in this edition, for instance Path loss, including Egli, Hata Indoor path loss Single knife edge diffraction loss Erlang B Spectrum efficiency Outage probability: Comprehensive: Rayleigh fading, shadowing Rician fading Gold sequences: crosscorrelation Probability density of power sum of multiple lognormal signals (Schwartz & Yee) Effective throughput, packet length BER BER for Rician fading BER for DS-CDMA with rake receiver	SPECs Special Purpose Embedded Calculators
Fairy Tale	The story of Big Solitude and Mostly Silent is now is available as a fully narrated fairy tale. It covers the basic principles of the base band processing in the GSM cellular telephone system. In a medieval setting, Peter Meyer explains TDMA, speech coding, error correction coding, interleaving, the Viterbi algorithm, channel equalization and other measures to ensure reliable communication. Sure your kids enjoy this fairy tale. Moreover we encountered many students and engineers who appreciate this fairy tale as a first introduction to the field of digital mobile telephony. In our discussion, Jim Massey tells the anecodete of Viterbi's paper about his ML detector.
Applets	Frits Schoute created a new Java Applet to evaluate the Engset and Erlang B formulas for telephone traffic. Olivier Swedor, EPFL, Lausanne, created a Java animation for the Viterbi decoder. Our applet on Rayleigh fading remains as popular as ever.
Video	To recoup disc space we have replaced a tutorial of 290 Mbyte of Quicktime video by aggressively compressed RealVideo. Several new tutorials have been included, in the SMIL animated audio format.
Exercises	See the "educational tools" page, for a list of exercises, quizzes and design problems. Tim Moulsley presents a First Course on Wireless Communication. His presentation comes with interactive questions but is also available without questions. Short courses on radio wave propagation (SMIL part 1, 2), frequency reuse (SMIL) and OFDM (embedded SMIL) An exercise on Direct-Sequence CDMA and the rake receiver has been included. We made a board game with quiz questions. The ALOHA and collision resolution game is new as is a theoretical exercise associated with the game. Rene van de Vleuten updated the ALOHA pages. Frits Schoute created an exercise to compare CDMA and OFDM technology for wireless delivery of multimedia content.
New services Initiatives from our subscribers	As we are publishing an interactive multimedia journal, new services can be provided to the community of engineers and researchers in the field. One such service is the provision of a reference database of measurements. We are working on setting up a collection of propagation measurements which can be shared among researchers.	Inquire about having your website linked from this CD-ROM.
Product Information	Links to websites and product information facilitate your navigation on the Internet. Useful examples are books about wireless communication and commonly used ASIC's or chip sets.
Audio MPEG MP3 Audio	This edition contains a wealth of new audio material. New audio clips include; Jim Massey: a tutorial on the history of coding theory. (Playlist m3u) We also interview Jim Massey to learn more about protocol sequences, which provide random access without feedback. Sergio Verdu gives a tutorial on multi-user detection (intro, full RealAudio) Ahmed Tewfik reviews various multi-user receiver designs (Part 1, 2, 3) Geert Leus goes into the mathematical details of the signal processing for multi-user detection. (full Real audio) Peter Grant covers array processing for CDMA. He received a 'distinguished IEEE lecturer' award for this presentation. (Part 1-40) Bob Brodersen (U.C. Berkeley) doesn't believe that Software Radio is the best approach to future receiver designs. (Part 1, 2, 3) Jaap Haartsen (Ericsson) explains the Bluetooth standard for digital interconnection of cell phones, Consumer Electronic and computer devices. (SMIL file) Helmut Boelscei (Stanford) addresses OFDM, in particular the pulse shapes and the vulnerability to Doppler spreads (1, 2, 3) Jeff Andersen of SONY USA explains the use of OFDM in local-area wireless networks (Part 1, 2, 3, 4) Rudi Bekkers of TU/e gives an overview of private mobile radio. (Part 1, 2) Geert Awater (Lucent) explains the modulation method of Hiperlan II. (Part 1, 2, 3, 4) Phil Karn of Qualcomm presents his 'CDMA and the Internet' experience. Randy Katz' History of Communication, from smoke signals to the Internet (playlist.m3u) The Story of BS and MS Frits Schoute (T.U. Delft) explains the limitations of the erlang traffic models (part 1, 2) Alle-Jan van der Veen (T.U. Delft) about developments in DSP (Part 1, 2) Ramjee Prasad (Aalburg U. of T.) sees a growing importance of multimedia traffic engineering for wireless networks. (Part 1) Hanna Bogucka studied MC-CDMA and combines the DS-CDMA spreading and OFDM modulation into a single operation (part 1, 2). Justin Chuang (AT&T) explains the ideas behind EDGE, an extension of GSM. (Part 1, 2, 3) He presents a vision on frequency reuse for multimedia traffic. Luc Vandendorpe (Louvain-La-Neuve) communicates over power lines. (Part 1) Peter Simons addresses the history of broadcasting, sees an increasing demand for spectrum (spectrum scarcity), and discusses new access techniques for high speed traffic (ADSL) He also covers convergence between TV, PC and the telephone, and he asks himself whether TV is dead? Responses to questions from subscribers: Rain and propagation OFDM and DFT's MC-CDMA Our playlists provide a convenient way of listening to audio from this CD-ROM. A daily radio program is transmitted over the internet.
HTML You will find more in-depth html pages in this issue.	The main source of information on this CD-ROM are the many hypertext pages. Many pages have been improved and rewritten. Just a few examples: Gilbert's Markov model for fades and non-fades Spreading Sequences Antenna gain COST 207 reference models for delay spread MC-CDMA, in particular the receiver design Doppler in OFDM radio links CDMA Array Processing 2.5G, UMTS Viterbi Algorithm
	Updates in many pages, for instance about DTTB, DSRR, MC-CDMA, OFDM, LFSR and m-sequences, rake and matched filters
Multilingual Glossary	Our glossary translates the buzz words of wireless communication into German, Spanish, Italian, Japanese, Chinese, French or Dutch. The Spanish translation comes with pronounciation examples. Many mathematical symbols used on this CD-ROM are also listed.
Slides	Based on submission from various authors, we decided to create a new section with powerpoint slides. It includes Bluetooth by Jaap Haartsen. We edited the propagation slide show. It is now also available as Powerpoint slides with annotations. (Basics, Intermediate) A slide show on CDMA has been included. UMTS slides by Raul Brozzone. Turbo Coding and OFDM by IMEC, Leuven.
Edu Tools	For teachers and students it appeared useful to incorporate material from this CD-ROM into courses. Selected topics on this CD-ROM of your choice can be linked with your own material via our website. See the educational tools.

On-line

We are working on on-line access to the latest material in this journal. Access to the on-line version can be established from our web site.

We welcome many new authors who participated to this new edition. Without their help it would be impossible to create this extensive reference work and keep it up to date. We continue to improve this material and welcome prospective authors to contact us.

We hope that you enjoy this new edition. We are appreciate your comments and we would like to share your experiences in use the material. As more and more universities are using it as part of their teaching material, we are keen to include additional material such as quizzes, midterms or examinations on this CD-ROM.

www.WirelessCommunication.NL � Jean-Paul M.G. Linnartz, 2000.

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