Final%20Review

Final%20Review - Final Review Electromagnetic wave g...

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Unformatted text preview: Final Review Electromagnetic wave g Behaviors Wave length, frequency CSMA/CA Virtual carrier sense Inter frame spacing DCF/PCF / RTS/CTS 4-way handshake 4- 802.11 Topology Standards (802.11, a, b, g) ISM Band and UNII band Joining a network Frame types RF Math dB dBm and watts conversion Spread spectrums S d FHSS DSSS Final Review Basic electricity and magnetism Basic concepts Ohms law/Series and parallel circuits Capacitors/inductors/Impedance/reactance/resonate frequencies Magnetic fields and electrical fields/Motors and generators g / g Antennas How does antenna work? Antenna types Radiation R di i patterns Antenna gain/dBi/Intentional radiator/EIRP/Polarization gain/dBi/Intentional E-plane/H-plane/Beamwidth/VSWR/Fresnel zone plane/H-plane/Beamwidth/VSWR/Fresnel Free Space Path Loss p Link Budgets Bluetooth Modulations Examples 1 mw = ? dBm 1 watts = ? dBm 46 dB = ? Watts dBm W -16 dBm = ? Watts -60 dBm = ? Watts bxyics 3 Exercises 2 mw = ? dBm 2 watts = ? dB dBm 46 dBm = ? Watts 8 dBm = ? Watts W tt -13 dBm = ? Watts bxyics 4 Homework 4 mw = ? dBm 4 watts = ? dBm 39 dB = ? Watts dBm W 9 dBm = ? Watts -26 dBm = ? Watts 0 dBm = ? Watts 4 dBm = ? Milliwatts Milliw 7 dB = ? Milli dBm Milliwatts bxyics 5 ...
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