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802.11n: A Survival Guide 1st Edition

4.1 out of 5 stars 7 customer reviews
ISBN-13: 978-1449312046
ISBN-10: 1449312047
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Editorial Reviews

Amazon.com Review


Author Interview with Matthew Gast


What made you write the book?

When I first started writing about 802.11, wireless networks were cool and promising. The first time I held a Wi-Fi LAN party, the equipment cost several thousand dollars, and we all needed to spend time installing the right software and drivers. Fast forward a decade, and 802.11n has come along. Wi-Fi has grown up. Every computing device you want to interact with just has Wi-Fi built in‚ and some devices, like the iPad, don't even give you the option not to use it. In the middle of the '00s, I would talk about Wi-Fi and say that everybody was going to have two Wi-Fi devices: A laptop and a phone. I was wrong. It's a laptop, tablet, smartphone, and maybe another device or two. Supporting all these devices requires a fast network, and right now, that means 802.11n.


Why is your book especially important now?

It's only a slight joke to say that there are only two kinds of users. There are those who have iPads, and there are those who want them. Building a robust network to support tablet computing and its rich interactive experience blending text, audio, and video is a challenge. This book teaches you how to do that.


What is the single most important thing readers will be able to do after reading your book?

Readers will understand the trade-offs involved in building a large-scale wireless network, and how 802.11n's protocol features help them build the network they want.


What do you think is on the horizon for your readers?

Wireless LANs touch everything in networking. A key enabler of the mobile computing revolution is that small devices can access data and applications stored elsewhere on the network. Providing a solid network connection is the first step towards enabling any network service, whether it is hosted applications, videoconferencing and screen sharing, or electronic learning.

Book Description

Wi-Fi Above 100 Mbps
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Product Details

  • Paperback: 144 pages
  • Publisher: O'Reilly Media; 1 edition (April 16, 2012)
  • Language: English
  • ISBN-10: 1449312047
  • ISBN-13: 978-1449312046
  • Product Dimensions: 7 x 0.3 x 9.2 inches
  • Shipping Weight: 8.8 ounces (View shipping rates and policies)
  • Average Customer Review: 4.1 out of 5 stars  See all reviews (7 customer reviews)
  • Amazon Best Sellers Rank: #314,673 in Books (See Top 100 in Books)

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Customer Reviews

Top Customer Reviews

Format: Paperback Verified Purchase
This book has nothing really useful for a sys admin at a school. It is incredibly technical and is geared for an engineer who wants to know every minute detail of how wireless-N works (the actual technology behind the scenes). I was expecting a "how to" book that would explain all the "gotchas" involved with deploying a wireless solution, but it is really just page after page of highly technical jargon.
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Format: Paperback Verified Purchase
The 802.11n release marked a huge increase in throughput over previous versions, due almost entirely to PHY improvements such as LDPC codes and MIMO. The author goes into very little detail on these topics, which would be fine if he pointed interested readers to more in-depth references on technical background and how they are implemented in 802.11n. Instead, the only references in the PHY chapters are shameless plugs to the author's main 802.11 book (which admittedly is an excellent reference, but is not a reference for 802.11n advanced PHY features).

The MAC chapters are much better. The chapters are still very brief, but the author does an excellent job explaining the improvements due to advanced MAC features introduced with 802.11n.

The three star rating is an average: 4 stars for the MAC chapter and 2 for the PHY chapter.
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Format: Kindle Edition Verified Purchase
This book gives the lie to all the turgid, poorly written technical documentation I've ever had to slog through. It's clear, straightforward, detailed, and interesting. I'm familiar with low level wired network protocols so what I appreciate most are the discussions of the design tradeoffs involved in going wireless. That was particularly helpful to me.
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Format: Kindle Edition
I am really surprised that the sample ebook does not include the content page.
I think the content page should be included in the sample so that the customer
can have an idea on the book's content structure for judging whether to buy this
book. Hope that the publisher would add a content page to the sample ebook later.

Edit 1: The sample only shows first two pages of chapter one. I don't know whether
the ebook has a content page or the content page is located after chapter one.

Edit 2: I confirmed that this book do have a content page using Safari Books Online's
sample reading mode. The content page is right after the cover page and the
publisher is missing out this page in the sample ebook. If you want to decide
whether to buy this book. It's better to have a look using Safari Books Online.

The table of content can be found using the following link:
[...]
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