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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?
Means of escape - place of safety: The means of escape in a building are often supplemented by a fire warning system that may or may not include automatic detection, depending
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seasoning of timber
Software House PLC (SHP) is a pan European software development group that operates in the UK and the European Union. The company develops and markets off the shelf & bespoke softw
chainig
If all states are measured by appropriate sensors and interfaced to the flight control computer then allthe states may be fed back and there is no restriction on the choice of K. S
what is communication overhead in networking?what are the types of overhead?How to reduce communication overhead in broadcasting?
In this assignment you are asked to demonstrate your understanding of both exploratory and statistical inference techniques described in class to investigate how the currency marke
Design a dc-coupled one op amp circuit that will amplify the 100uV EOG to have the maximal gain possible without exceeding the ttypical guarenteed linear outpt range.
1 Scott Investors, Inc., is considering the purchase of a $447,000 computer with an economic life of five years. The computer will be fully depreciated over five years using the st
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