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Elementary,Middle School,High School,College,University,PHD
| Teaching Since: | Jul 2017 |
| Last Sign in: | 304 Weeks Ago, 5 Days Ago |
| Questions Answered: | 15833 |
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MBA,PHD, Juris Doctor
Strayer,Devery,Harvard University
Mar-1995 - Mar-2002
Manager Planning
WalMart
Mar-2001 - Feb-2009
Hi, I need a simple complete answer to understand and memorize as well for the following questions below as soon as possible.
Thanks
Questions Need to be answered
Note:
Kindly help me out to solve the following questions with easy answer to understand and memorize.
1) Explain how beam forming using directional antenna in wireless communication may increase spatial reuse? Explain how this may introduce additional hidden terminal effects?
2) What is Deafness effect in a network which uses directional antenna?
3) What is the meaning of BSS and IBSS in 802.11 communication?
4) A)Define the three main security parameters in wireless communication, i.e. Confidentiality, Access Control Security, and data Integrity?
B)Is 802.11 WEP protocol (Wired Equivalent Privacy) successful to implement the above three critical elements?
C)How 802.11 standardization communities resolved the problem?
5) Explain how multi-channel scheme in wireless communication may improve the interference problem or consequently improve the communication throughput?
6) A)Explain why power management is a fundamental issue in wireless communications?
B)What is the main OSI layer which is responsible to improve the power management?
7) A)Define “data rate” in telecommunication networks?
B)Explain how decreasing the data rate may improve the wireless communication when channel quality degrades?
8) What is SINR and how it is used by the destination to negotiate the data rate with transmitter?
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