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Exam-SYSC4700-1995February.pdf
Exam-SYSC4700-1995February.pdf
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Page 8
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detennine the traffic in~ns~ty on ~ ceI1ain trunk group dwing the busy hour, 60
I
;:~.f!i-':'::,:measurements
are made, resulting In a senes of 60 nwnbers c,. C2,
.,.. Coo,
where Cj
is the
i
.total
number of calls in progress in the ith minute of the busy hour; i.e. the measurements
are at one-minute intervals. The total number of calls measured is 30000;
60
-
)
i,e.
L Cj ==
30000
T =- I
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AT=-
C J-l
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}, r
C =. 30JO-OO
~ .
(a) Calculate the traffic intensity in Er~angs.for this .t!1lnkgroup.
AT=-CH
~
A
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(JOO)(3/60)
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(b) Which of the following digital multiplex facilities would you recommend for this
group. and why?
DS 1 or DS2 or DS3.
a71 ~~~
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Page 9
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Question 3 [6 marks] ./-,
U]
Carleton University
Carleton_University
School:
Telecommunications_Engineering
Course:
Great resource for chem class. Had all the past labs and assignments
Leland P.
Santa Clara University
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