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Next Generation Wireless LANs: Throughput, Robustness, and Reliability in 802.11n

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This exciting and comprehensive overview describes the underlying principles, implementation details, and key enhancing features of the new IEEE 802.11n standard, which has been created to significantly improve network throughput. A detailed discussion of important strength and reliability enhancing features is given in addition to a clear summary of any issues. Advanced topics are also covered. With numerous examples and simulation results included to highlight the benefits of the new features, this is an ideal reference for designers of Wireless Local Area Network (LAN) equipment, and network managers whose systems adopt the new standard. It is also a useful distillation of 802.11n technology for graduate students and researchers in the field of wireless communication.

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Editorial Reviews

From the Publisher
'Books like this one are invaluable because they provide the details and the background that allow readers to answer the questions, 'What is likely to be in the final standard and how does it work?' Eldad and Robert should be congratulated on taking up the challenge.' Andrew Myles, Chairman of Wi-Fi Alliance
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Product Details

  • ISBN-13: 9780521885843
  • Publisher: Cambridge University Press
  • Publication date: 9/22/2008
  • Pages: 416
  • Product dimensions: 7.00 (w) x 9.80 (h) x 1.00 (d)

Meet the Author

Eldad Perahia is a member of the Wireless Standards and Technology group at Intel Corporation, Chair of the IEEE 802.11 Very High Throughput Study Group, and the IEEE 802.11 liaison to IEEE 802.19. Prior to joining Intel, Dr. Perahia was the 802.11n lead for Cisco Systems. He was awarded his Ph.D. in Electrical Engineering from the University of California, Los Angeles and has fourteen patents in various areas of wireless communications.

Robert Stacey works in Intel Corporation's Wireless Standards and Technology group. He was a member of the 802.11 high throughput task group (TGn) and a key contributor to the various proposals culminating in the final joint proposal submission that became the basis for the 802.11n draft standard and has numerous patents filed in the field of wireless communications.

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Table of Contents

Preface; Foreword; 1. Introduction; Part I. Physical layer: 2. Orthogonal frequency division multiplexing; 3. MIMO/SDM basics; 4. PHY interoperability with 11a/g legacy OFDM devices; 5. High throughput; 6. Robust performance; Part II. Media access control layer: 7. Media access control; 8. MAC throughput enhancements; 9. Advanced channel access techniques; 10. Interoperability and coexistence; 11. MAC frame formats; Part III. Transmit beamforming: 12. Transmit beamforming; Acronyms; Index.

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  • Posted August 10, 2009

    802.11n Thoroughly Explained; but not for the beginner...

    A coworker purchased this book for our engineering group library in late 2008, based on some familiarity with one of the authors through the IEEE 802.11 working groups.

    The book is a very thorough description of the Draft 802.11n standard as it stood at the time of writing. The Preface is dated December, 2007; and the book appears to be based on the draft 802.11n D2.0 (the version that the WiFi Alliance began standardizing as "pre-n" in 2007), but includes references to D3.0 for some of the material.

    I cannot speak to the accuracy of this book regarding the final draft (I think in the process of ratification as I write this in August, 2009). However, in general it is an excellent reference on 802.11n for the communications engineer or grad school student. It seems to cover every conceivable option and variation in the standard, and provides some math and examples to explain the concepts that are new for 802.11n at the PHY and MAC levels.

    As both a practicing engineer and a grad school student, I found the mathematical background on topics including MIMO, Tx Beamforming and Singular Value Decomposition (including a detailed example of how to manually calculate SVD for a 2x2 system that I found extremely helpful), and ZF and MMSE receivers, to be directly useful for a class project in digital modulation. Most of the book has been immediately useful in considering radio design and integration with other systems.

    But, this is not Communications 101. If I were not already familiar with the topics I mentioned above, I would not have made much sense of them solely from this book.

    Overall this book is a great balance of easy prose, mathematical derivation and examples, and tons of reference tables and charts.

    This book deserves serious consideration by anyone interested in the engineering details of the latest WLAN standards.

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