Transcription of Chapter 6 Wireless and Mobile Networks
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Chapter 6 Wireless and Mobile Networks
Chapter 6. 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). Computer They're in PowerPoint form so you see the animations; and can add, modify, and delete slides (including this one) and slide content to suit your needs. Networking: A Top They obviously represent a lot of work on our part. In return for use, we only ask the following: Down Approach If you use these slides ( , in a class) that you mention their source (after all, we'd like people to use our book!). 6th edition If you post any slides on a www site, that you note that they are adapted Jim Kurose, Keith Ross from (or perhaps identical to) our slides, and note our copyright of this material. Addison-Wesley March 2012.
Wireless, Mobile Networks 6-20 IEEE 802.11 Wireless LAN 802.11b 2.4-5 GHz unlicensed spectrum up to 11 Mbps direct sequence spread spectrum (DSSS) in physical layer all hosts use same chipping code 802.11a 5-6 GHz range up to 54 Mbps 802.11g 2.4-5 GHz range up to 54 Mbps 802.11n: multiple antennae 2.4-5 GHz range
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