Mobile Communication Set 2

Electronics and Telecommunication Engineering [ENTC]

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This set of Mobile Communication Multiple Choice Questions & Answers (MCQs) focuses on Mobile Communication Set 2

Q1 | Major classes of signalling are ___________
Q2 | On an average, one call arrives every 5 seconds. During a period of 10 seconds, what is the probability that no call arrives?
Q3 | Standards of CCITT Signalling system are _____
Q4 | Inter register signalling can be done by _________
Q5 | In Erlang's analysis of efficient telephone line usage he derived the formulae for two important cases, ________,
Q6 | What are the types of inter register signalling?
Q7 | Erlang determined GoS of lost call system of finite number of trunks based on assumptions: 1. Pure chance traffic 2. Statistical equilibrium 3. Full availability 4. calls which face congestion and get lost
Q8 | Traffic tables show relationships of ____________
Q9 | A group of 10 servers carry a traffic of 5E. If the average duration of calls is 1.5 minutes, calculate the number of calls put through by a single server and a group as a whole in 1 hr period.
Q10 | A group of 5 trunks carry a traffic of 2E. Find 1. GoS 2. Probability that only one trunk is busy.
Q11 | Over 10 minutes observation interval, 20 subscribers initiate a call. Total duration of calls is 2400sec. Calculate load offered to network by the subscribers and average subscriber traffic?
Q12 | Which among the following represents the flawless hand-off with no perceivable interruption of service?
Q13 | If more number of cells are necessary in the frequency reuse distance, then the segmentation & dualization techniques get ________
Q14 | Which method of cellular network assists in minimizing the co-channel interference associated with the angle of degree?
Q15 | Which effect is widespread in adjacent-channel interference especially after the reception of a weak signal by a mobile user from the base-station?
Q16 | Which antennas are used at the center of the cells for the system with hexagonal-shaped cells?
Q17 | The most comman dial up service used by a person making home telephone call is_____________
Q18 | For Telephone voice Transmission to use a T line, the signal must be __________________ before the multiplexed.
Q19 | The propagation model that estimates radio coverage of a transmitter is called ___________
Q20 | Small scale propagation model is also known as _______
Q21 | Which of the following techniques do not help in expanding the capacity of cellular system?
Q22 | Which of the following technology distributes the coverage of the cell and extends the cell boundary to hard-to-reach places?
Q23 | Cell splitting increases the capacity of a cellular system since it increases the number of times ________ are reused.
Q24 | Small scale variations of a mobile radio signal are directly related to _______
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