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Wireless Networks




                    Notes          Body Area Networks: is based on the IEEE 802.15.6 standard for transmission via the capacitive
                                   near field of human skin allowing near field communication of devices worn by and near the
                                   wearer.
                                   Piconet: and is composed of up to 8 active devices in a master-slave relationship (a very large
                                   number of devices can be connected in “parked” mode).
                                   WLAN: is more focused on organizational connectivity not unlike wire based LAN connections.
                                   Personal area network (PAN):  The communication  network established for the purpose of
                                   connecting computer devices of personal use
                                   4.5 Review Questions


                                   1.   What are the various types of wireless networks?
                                   2.   Define the following:
                                   3.   transmission technology
                                   4.   microwave transmission

                                   5.   spread spectrum transmission
                                   6.   Describe the various types of wireless LAN
                                   7.   Explain the working principal of WiMAX
                                   8.   Could Bluetooth replace wireless LANs?

                                   9.   Could wireless LANs replace Bluetooth?
                                   10.   Discuss the steps used to avoid the interference from Bluetooth devices

                                   Answers: Self-Assessment

                                   1.   Infrared Data Association             2.   Bluetooth
                                   3.  Piconet                                4.   WLAN
                                   5.   Direct Sequence Modulation            6.   Diffused
                                   7.   Basic Service Set (BSS)               8.   PAN (Personal Area Network)

                                   9.   Plug –in                              10.   PDAs
                                   11.  RF                                    12.  Thomas Zimmerman
                                   13.   Firewire or USB

                                   4.6 Further Readings




                                   Books       802.11 Wireless Networks: The Definitive Guide, Second Edition, Matthew Gast
                                               Introduction to wireless networks, John Ross
                                               Wireless Communications & Networking, Vijay Garg
                                               Wireless Communications: Principles and Practice, Theodore S. Rappaport








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