Maurice Tutor

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Category > Computer Science Posted 16 Jul 2017 My Price 4.00

TDMA network

A TDMA network of 5 earth stations shares a single transponder equally. The frame duration is 2 ms, the preamble time per station is 20 µs, and guard bands of 5 µs are used between bursts. Transmission bursts are QPSK at 30 Mbaud.

 

a. Calculate the number of 64-kbps voice channels that each TDMA earth station can transmit.

b. If the earth stations send data rather than digital speech, what is the transmission rate of each earth station?

c. What is the efficiency of the TDMA system expressed as Efficiency = (message bits sent)/ (maximum number of possible bits that could have be sent)?

Answers

Maurice Tutor
(5)
Status NEW Posted 16 Jul 2017 03:07 PM My Price 4.00

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