校园无线网络技术及应用发展(英文版)(ppt 82页)

资料简介：

校园无线网络技术及应用发展目录：
1.无线局域网络 ─ IEEE 802.11
2.无线应用通讯协议 ─ WAP

 

校园无线网络技术及应用发展内容摘要：
    1. IEEE Project 802 Charter:
Local & Metropolitan Area Network
1Mbps to 100Mbps and higher
2 lower layers of 7 Layer OSI Reference Model
    2.IEEE 802.11 Working Group scope:
Wireless connectivity for fixed, portable and moving stations within a limited area
Appear to higher layer (LLC) the same as existing 802 standards
    Access Point and Mobile Station
Distributed System Interconnect Multiple Cells via Access Points to form a single network
Extends Wireless Coverage Area
Multiple Basic Service Sets connected together form an Extended Service Set
Allow Mobile Station to access fixed resource
Support Roaming for Mobile Stations via Access Point
Point Coordination Function, Power Management, Time Synchronization support through Access Point

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