Ofdm wireless lans potx

... and OFDM communication systems. We conclude the chapter with summaries of the OFDM wireless LAN standards currently in existence and a high-level comparison of single carrier systems versus OFDM. ... Communication System • OFDM WLAN Overview • Single Carrier Versus OFDM Comparison • Bibliography Before delving into the details of orthogonal frequency division multiplexing (OFDM...

Ngày tải lên: 05/07/2014, 02:20

... sử của Wireless LANs Trang 3 II. Giới thiệu về Wireless LANs Trang 4 III. Các chuẩn của Wireless LANs Trang 5 IV. Thiết bị Wireless LANs Trang 7 V.Nhu cầu và sự cần thiết của Wireless LANs Trang ... 16 IV.Thiết bị Wireless LANs Product Name Type Features D-Link DWL- 650+AirPlus PCMCIA Wireless Adapter 802.11b, 22Mbps with AirPlus products D-Link DWL- 6000AP AirPro M...

Ngày tải lên: 01/09/2013, 10:43

... quality Lecture 2 Wireless Environment and Wireless LANs Wireless Networks and Mobile Systems Wireless Environment and Wireless LANs 26 Evolution of Mobile Wireless (1) Advance Mobile Phone Service ... (LMDS) • 27.5-31.3 GHz Bluetooth • 2.45 GHz Wireless LAN (IEEE 802.11a) • 5 GHz Wireless Environment and Wireless LANs 27 Evolution of Mobile Wireless (2) Globa...

Ngày tải lên: 29/10/2013, 06:15

... infrastructure network. Note 14.13 Table 14.2 Values of subfields in control frames 14.1 Chapter 14 Wireless LANs Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. 14.7 Figure ... CSMA/CA flowchart 14.27 14-2 BLUETOOTH 14-2 BLUETOOTH Bluetooth Bluetooth is a wireless LAN technology designed to is a wireless LAN technology designed to con...

Ngày tải lên: 16/02/2014, 20:20

... [2]Apress.WiMax.Operators.Manual.Building.802.16 .Wireless. Networks.2nd.Edition. Nov.2005. [3]John.Wiley.and.Sons.Advanced .Wireless. Networks.4G.Technologies.Jun.2006. [4]Wiley.Interscience .OFDM Based.Broadband .Wireless. Networks.Design.and.Optimization.Nov.2005.eBook- DDU. ... Tiến Dũng Trang 21 Lớp: 03DT1 CHƯƠNG 2 : Kĩ thuật OFDM và OFDMA trong WIMAX 2.1 Giới thiệu chương W...

Ngày tải lên: 06/03/2014, 16:20

... regardless of device xvi Security in Wireless LANs and MANs second part discusses the security encapsulation and key management protocols in wireless LANs. Wireless roaming and security issues ... protocols relevant to wireless LANs and MANs. Chapter 1 Introduction The topic of this book is the security of 802.11 wireless local area networks (WLANs) and of 802.16 wireless met...

Ngày tải lên: 25/03/2014, 12:07

... communicate better as part of a global network, and has encompassed new wireless applications. The wireless web is with us, and advances in wireless global positioning technology are likely to provide more ... been the growth of wireless personal communicationthe development and success of a variety of cellular and personal communication system technologies, such as GSM, CDMA, and W...

Ngày tải lên: 31/03/2014, 22:20

Ngày tải lên: 01/06/2014, 00:46

... diversity in wireless networks. IEEE Trans Inf Theory. 49(10), 2415–2425 (2003). doi:10.1109/TIT.2003.817829 9. Y Chen, S Kishore, J Li, Wireless diversity through network coding. in Proc IEEE Wireless ... radios. IEEE Trans Wireless Commun. 7(5), 1823–1827 (May 2008) 13. C Peng, Q Zhang, M Zhao, Y Yao, Opportunistic network-coded cooperation in wireless networks. in Proc IEEE Wire...

Ngày tải lên: 20/06/2014, 22:20