Introduction To Satellite Communication – 2 – 9

91. The multiple access technique that is particularly suitable for communication satellites with military applications is :

(a) TDMA
(b) FDMA
(c) CDMA
(d) Random access

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

92. The time duration between the transmission of traffic in TDMA is :

(a) 125 µ sec
(b) 120 µ sec
(c) 64 µ sec
(d) 250 µ sec

ANSWER
Answer : (c)

EXPLANATION
No answer description available for this question. Let us discuss.

93. Near far effect is more prominent in :

(a) Direct sequence spread spectrum technique
(b) Direct sequence CDMA technique
(c) Frequency hopped spread spectrum technique
(d) None of these

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

94. The code division multiple access technique in not usually used because :

(a) It requires very large bandwidth
(b) The circuitry required is very complex
(c) The system becomes too expensive
(d) Its technology has not been completely developed as yet

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

95. The bandwidth of common signalling channel is :

(a) 160 KHz
(b) 120 KHz
(c) 220 KHz
(d) 60 KHz

ANSWER
Answer : (a)

EXPLANATION
No answer description available for this question. Let us discuss.

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