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Question :
What is the ISM band and what is particular about this frequency band? Name two wireless technologies that make use of the ISM frequency band.
a) Explain the following spread spectrum techniques:
i) Frequency Hopping Spread Spectrum ii) Direct Sequence Spread Spectrum
b) Describe the functioning of a Bluetooth piconet? Include the discussion of the concept of Master, slave, stand-by and parked devices in your description of the Bluetooth piconet.
c) Compare the given features of Bluetooth, Ultra Wide Band and WiFi:
Data rate, Coverage (distance covered), Application focus.
d) Consider the security aspects in both Wireless Local Area Networks (WLANs) and Wireless Personal Area Networks (WPANs).
i) What are the security problems introduced in Wireless LANs and Wireless PANs?
ii) What level of security can the IEEE 802.11 and Bluetooth standards provide?
State-estimators for continuous time linear systems The state space state and output equations of continuous time linear systems is of the form? x = Ax + Bu + v and y
• ''Discussed Since the promised return on Russian government debt is much higher than the promised return on US government debt, you should invest your money in Russia
Explain different types of intakes of aircraft
Two types of climb will be considered. The first is the so-called steady climb. This is a climb in which the all acceleration components (i.e. parallel and perpendicular to the fli
Compressibility Fluid: Compressible fluid flow refers to the air flow through a gas turbine engine and, because the air is compressible, flow at subsonic speeds causes a change
explain elecrochemical series and give its applications
Company: British Sky Broadcasting Topic: You are a security analyst in a large investment house and must write a report on a real stock of your choice, giving a buy, hold or sell r
theories about cylindrical shaft
How do you find initial monthly payment for the second year after an adjustable-rate mortgage?
Define the aircraft axes & degrees of freedom. Analyse the different maneuvers that can be done by an aircraft.
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