tailieunhanh - Bài giảng Computer Networks 1 (Mạng Máy Tính 1): Lecture 4 - Dr. Phạm Trần Vũ

Bài giảng Computer Networks 1 (Mạng Máy Tính 1): Lecture 4 của Dr. Phạm Trần Vũ trình bày về Wireless and Mobile Networks bao gồm những nội dung về Wireless and Mobile Networks, Elements of a wireless network, Characteristics of selected wireless link, Wireless network taxonomy,. | Lecture 4 Wireless and Mobile Networks A note on the use of these ppt slides We re making these slides freely available to all faculty students readers . They re in PowerPoint form so you can add modify and delete slides including this one and slide content to suit your needs. They obviously represent a lot of work on our part. In return for use we only ask the following If you use these slides . in a class in substantially unaltered form that you mention their source after all we d like people to use our book If you post any slides in substantially unaltered form on a www site that you note that they are adapted from or perhaps identical to our slides and note our copyright of this material. Thanks and enjoy JFK KWR Computer Networking A TOp Down Approach 5th edition. Jim Kurose Keith Ross Addison-Wesley April 2009. All material copyright 1996-2009 Kurose and . Ross All Rights Reserved 4 Wireless and Mobile 4-1 Chapter 6 Wireless and Mobile Networks Background wireless mobile phone subscribers now exceeds wired phone subscribers computer nets laptops palmtops PDAs Internet-enabled phone promise anytime untethered Internet access two important but different challenges o wireless communication over wireless link o mobility handling the mobile user who changes point of attachment to network 4 Wireless and Mobile 4-2 Elements of a wireless network r wireless hosts laptop PDA IP phone run applications may be stationary non-mobile or mobile o wireless does not always mean mobility network infrastructure 4 Wireless and Mobile .