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商品描述
Description
This book explores the fundamental concepts, basic theory, and key principles of 802.11 networks with roaming capabilities. Today, we increasingly expect to find public Wide Local Area Network (WLAN) 802.11 access in our airports, public spaces, and hotels, and we want to maintain our connections when were mobile and using 802.11 WLANs.
However, 802.11 was not originally designed with roaming capabilities and cant, in its pure form, support seamless roaming between different hotspots and other 802.11 access points. This book details the theory behind various 802.11 extensions to permit roaming and describes how these extensions can be successfully implemented in 802.11 WLANs. Coverage of User Authentication in 802.11 is reviewed as is roaming between 802.11 and other wireless technologies. Wireless technologies and application programming interfaces are given their due with generous coverage as well.
* Offers a comprehensive treatise on Wi-Fi 802.11 roaming by comparing/contrasting it to cellular roaming theory and techniques
* Emerges as a "one stop" resource for design engineers charged with fulfilling the market need for seamless 802.11 device roaming capabilities
* Builds upon the knowledge base of a professional audience without delving into long discussions of theory long since mastered
商品描述(中文翻譯)
**描述**
本書探討具有漫遊能力的 802.11 網路的基本概念、基本理論和關鍵原則。如今,我們越來越期望在機場、公共空間和飯店中找到公共的寬域無線區域網路(WLAN)802.11 接入,並希望在移動時能夠保持與 802.11 WLAN 的連接。
然而,802.11 最初並未設計為具備漫遊能力,且在其純粹形式下,無法支持不同熱點和其他 802.11 接入點之間的無縫漫遊。本書詳細說明了各種 802.11 擴展的理論,以允許漫遊,並描述了這些擴展如何在 802.11 WLAN 中成功實施。對於 802.11 中的用戶身份驗證進行了回顧,並探討了 802.11 與其他無線技術之間的漫遊。無線技術和應用程式介面也得到了充分的介紹。
* 提供有關 Wi-Fi 802.11 漫遊的全面論述,通過比較/對比其與行動漫遊理論和技術
* 成為設計工程師的「一站式」資源,負責滿足市場對無縫 802.11 設備漫遊能力的需求
* 在不深入討論早已掌握的理論的情況下,建立專業受眾的知識基礎