Wireless Local Area Network
Wireless Local Area Networks
... Wireless CommunicationsWireless Local Area Networks 2Objectives•Describe how WLANs are used•List the components and modes of a WLAN 3WLAN Applications Wireless networks are increasing ... (BSS)–Consists of wireless clients and an AP•Extended Service Set (ESS)–Two or more BSS wireless networks installed in same area Provides users with uninterrupted mobile access to the network Al...
Ngày tải lên: 13/09/2012, 10:52
Wireless Local Area Network
... HỌC BÁCH KHOA HÀ NỘI KHOA ĐIỆN TỬ VIỄN THÔNG ––––––––––––––––– Computer Networks Seminar Đề tài : Wireless Local Area Network Sinh viên thực hiện : ĐỖ VIỆT THANH LÝ HOÀI NAM Lớp : ĐIỆN TỬ 8 – ... IEEE802.11g 6. XU THẾ PHÁT TRIỂN CỦA WLAN 3 1. TỔNG QUAN Mạng LAN không dây viết tắt là WLAN (Wireless Local Area Network) , là một mạng dùng để kết nối hai hay nhiều máy tính với nhau...
Ngày tải lên: 01/09/2013, 10:30
Wireless Local Area Networks
... 9 Wireless Local Area Networks 9.1 Introduction The growth of Wireless Local Area Network (WLANs) commenced in the mid-1980s and was triggered ... provision for access to wired network Wireless Local Area Networks 243 Figure 9.4 WLAN topologies: ad hoc and infrastructure services that may be collocated in the geographical area in which the ad hoc ... the uncabled area...
Ngày tải lên: 29/09/2013, 21:20
Low Rate Wireless Personal Area Networks
... Wireless CommunicationsLow Rate Wireless Personal Area Networks 2Objectives•Describe a wireless personal area network (WPAN)•List the different WPAN standards ... ZigBee work•Describe the security features of low-rate WPAN technology 3What is a WPAN? Wireless personal area network (WPAN)–Group of technologies that are designed for short-range communications–Eliminates ... sp...
Ngày tải lên: 13/09/2012, 10:52
High Rate Wireless Personal Area Networks
... Wireless CommunicationsChapter 6High Rate Wireless Personal Area Networks Wireless# Guide to Wireless Communications 2Objectives•Define a high rate wireless personal area network (HR ... area Wireless# Guide to Wireless Communications 15802.15.3 Network Topology (continued) Wireless# Guide to Wireless Communications 16802.15.3 Network Topology (continued) Wireless#...
Ngày tải lên: 13/09/2012, 10:52
Wireless Metropolitan Area Networks
... Wireless CommunicationsWireless Metropolitan Area Networks 2Objectives•Explain why wireless metropolitan area networks (WMANs) are needed•Describe the ... (WiMAX) 3What is a WMAN? Wireless metropolitan area networks (WMANs)–Provide wireless connectivity across a substantial geographical area such as a large city•WMANs primary goals–Extend wired networks beyond ... the same net...
Ngày tải lên: 13/09/2012, 10:52
Describe wireless wide area networks (WWANs) and how they are used
... Wireless CommunicationsWireless Wide Area Networks 2Objectives•Describe wireless wide area networks (WWANs) and how they are used•Describe the ... 1xRTT networks 18Third Generation Cellular Telephony (continued)•3G network technologies (continued)–CDMA2000 1xEVDV will be the successor of CDMA2000 1xEVDO–Wideband CDMA (W-CDMA)•For 2.5G EDGE networks–High-Speed ... connection 162.5 Ge...
Ngày tải lên: 13/09/2012, 10:52
LÝ THUYẾT VỀ MẠNG LAN (LOCAL AREA NETWORK)
... thành: • Mạng cục bộ ( Local Area Network - LAN ) • Mạng diện rộng (Wide Area Network - WAN) • Mạng thành phố ( Metropolita Area Network - MAN) • Mạng toàn cầu ( Global Area Network - GAN) • Mạng ... • Mạng toàn cầu ( Global Area Network - GAN) • Mạng cá nhân ( Personal Area Network - PAN) • Mạng Lưu trữ ( Storage Area Network - SAN) Trang NGUYỄN ĐÌNH CÔNG – 36CL...
Ngày tải lên: 25/04/2013, 11:58