Ieee 802.11ac: High-impact Technology - What You Need to Know: Definitions, Adoptions, Impact, Benefits, Maturity, Vendors (Paperback)
Kevin Roebuck
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商品描述
Theoretically, this specification will enable multi-station WLAN throughput of at least 1 gigabit per second (1 Gbit/s) and a maximum single link throughput of at least 500 megabit per second (500 Mbit/s). This is accomplished by extending the air interface concepts embraced by 802.11n: wider RF bandwidth (up to 160 MHz), more MIMO spatial streams (up to 8), multi-user MIMO, and high-density modulation (up to 256 QAM).
On January 20, 2011, the Initial Technical Specification Draft 0.1 was confirmed by IEEE 802.11 TGac.
Standard finalization is anticipated in late 2012, with final 802.11 Working Group approval in late 2013. According to a study, devices with the 802.11ac specification are expected to become common by 2015 with an estimated 1 billion spread around the world.
This book is your ultimate resource for IEEE 802.11ac. Here you will find the most up-to-date information, analysis, background and everything you need to know.
In easy to read chapters, with extensive references and links to get you to know all there is to know about IEEE 802.11ac right away, covering: IEEE 802.11ac, IEEE 802.11, 125 High Speed Mode, IEEE 802.11 (legacy mode), 802.11 non-standard equipment, IEEE 802.11a-1999, Wireless access point, Yota Egg, AEGIS SecureConnect, Announcement Traffic Indication Message, Arbitration inter-frame spacing, Block acknowledgement, IEEE 802.11b-1999, Beacon frame, CALM M5, Capwap, Carrier sense multiple access with collision avoidance, CCMP, Complementary code keying, DCF Interframe Space, Distributed coordination function, IEEE 802.11d-2001, Direct-sequence spread spectrum, Exposed node problem, Extended interframe space, IEEE 802.11e-2005, Frame aggregation, IEEE 802.11g-2003, Hidden node problem, IEEE 802.11h-2003, IEEE 802.11i-2004, Information Element, Inter-Access Point Protocol, IEEE 802.11j-2004, IEEE 802.11k-2008, Line-of-sight propagation, List of WLAN channels, Lorcon, MeshBox, IEEE 802.11n-2009, Nitro (wireless networking), IEEE 802.11p, PCF Interframe Space, Point coordination function, Power control, IEEE 802.11r-2008, Reduced Interframe Space, Received Channel Power Indicator, Received signal strength indication, Regdomain, Roofnet, IEEE 802.11 RTS/CTS, IEEE 802.11s, Short Interframe Space, Super G (wireless networking), Temporal Key Integrity Protocol, TU (Time Unit), IEEE 802.11u, IEEE 802.11v, IEEE 802.11w-2009, Wi-Fi operating system support, Wi-Fi Protected Access, Wired Equivalent Privacy, Wireless Distribution System, World-Wide Spectrum Efficiency, Xpress technology, IEEE 802.11y-2008.
This book explains in-depth the real drivers and workings of IEEE 802.11ac. It reduces the risk of your technology, time and resources investment decisions by enabling you to compare your understanding of IEEE 802.11ac with the objectivity of experienced professionals.
商品描述(中文翻譯)
IEEE 802.11ac是目前正在開發中的無線標準,將在6 GHz以下(即通常稱為5 GHz頻段)提供高吞吐量的無線區域網絡(WLAN)。
理論上,該規範將實現至少1 Gbps的多站點WLAN吞吐量和至少500 Mbps的最大單鏈路徑吞吐量。這是通過擴展802.11n所採用的空中介面概念實現的:更寬的射頻帶寬(高達160 MHz),更多的MIMO空間流(高達8個),多用戶MIMO和高密度調變(高達256 QAM)。
2011年1月20日,IEEE 802.11 TGac確認了初始技術規範草案0.1。
預計標準最終定稿將在2012年底完成,並在2013年底獲得802.11工作組的最終批准。根據一項研究,預計到2015年,具有802.11ac規範的設備將在全球範圍內普及,估計達到10億台。
本書是您了解IEEE 802.11ac的最終資源。在這裡,您將找到最新的信息、分析、背景和您需要了解的一切。
本書以易於閱讀的章節形式呈現,並提供廣泛的參考和鏈接,讓您立即了解有關IEEE 802.11ac的所有內容,包括:IEEE 802.11ac、IEEE 802.11、125高速模式、IEEE 802.11(遺產模式)、802.11非標準設備、IEEE 802.11a-1999、無線接入點、Yota Egg、AEGIS SecureConnect、Announcement Traffic Indication Message、Arbitration inter-frame spacing、Block acknowledgement、IEEE 802.11b-1999、Beacon frame、CALM M5、Capwap、Carrier sense multiple access with collision avoidance、CCMP、Complementary code keying、DCF Interframe Space、Distributed coordination function、IEEE 802.11d-2001、Direct-sequence spread spectrum、Exposed node problem、Extended interframe space、IEEE 802.11e-2005、Frame aggregation、IEEE 802.11g-2003、Hidden node problem、IEEE 802.11h-2003、IEEE 802.11i-2004、Information Element、Inter-Access Point Protocol、IEEE 802.11j-2004、IEEE 802.11k-2008、Line-of-sight propagation、List of WLAN channels、Lorcon、MeshBox、IEEE 802.11n-2009、Nitro(無線網絡)、IEEE 802.11p、PCF Interframe Space、Point coordination function、Power control、IEEE 802.11r-2008、Reduced Interframe Space、Received Channel Power Indicator、Received signal strength indication、Regdomain、Roofnet、IEEE 802.11 RTS/CTS、IEEE 802.11s、Short Interframe Space、Super G(無線網絡)、Temporal Key Integrity Protocol、TU(Time Unit)、IEEE 802.11u、IEEE 802.11v、IEEE 802.11w-2009、Wi-Fi operating system support、Wi-Fi Protected Access、Wired Equivalent Privacy、Wireless Distribution System、World-Wide Spectrum Efficiency、Xpress technology、IEEE 802.11y-2008。
本書詳細解釋了IEEE 802.11ac的真正驅動因素和運作方式。通過使您能夠將自己對IEEE 802.11ac的理解與經驗豐富的專業人士的客觀性進行比較,它降低了您在技術、時間和資源投資決策方面的風險。