Maurice Tutor

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  • MCS,PHD
    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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  • Professor
    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 27 Aug 2017 My Price 6.00

ADSL service

Telephone service providers are now offering ADSL service to home using the existing twisted-pair telephone wires. The signal can be carried up to a maximum of 1-MHz baseband with an S/N (signal power/noise power in ratio) of 30 dB. S/N in decibels (dB) is defined as 10 log10(signal power/noise power). Using MPEG-2 compression techniques, (a) a non-sports video channel can be broadcast at 3-Mbps data rate and (b) a sports video channel at 6 Mbps. Shannon’s limitation for information capacity for a channel is given by

Maximum bit rate (bits/sec) = B log2(1+S/N),

where S/N is in ratio (and not in dB) and B is the bandwidth. How many video channels can simultaneously be transmitted over the line for the two cases?

Answers

Maurice Tutor
(5)
Status NEW Posted 27 Aug 2017 07:08 PM My Price 6.00

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