in dynamic channel assignment strategy mcq

Digital European Cellular Telex Independent of the signal source Propagation delays are eliminated Solved online assignment answers for multiple choice questions (MCQ's) of various universities like All India Management Association (AIMA), IMT (Institute of Management Technology), SIU (Symbiosis International University), IGNOU, Marathwada Institute of Technology (MIT), Sikkim Manipal University (SMU) and many others. 24)   In TD-SDMA, there is a frame of _____milliseconds and the frame is divided into _____ time slots. b. Dynamic channel allocation schemes increases the computational as well as storage load on the system. c. Part of energy gets absorbed The strategies acquired for channel assignment are, Q5. c. Full duplex systems These are time domain vocoders 4G mobile communication, 1. d. Directly proportional to twice of Doppler spread, ANSWER: Directly proportional to Doppler spread, 145)   Types of small scale fading, based on Doppler spread are, a. View Answer, 10. What happen to a call in fixed channel strategy, if all the channels in a cell are occupied? c) Frequency 1.25 MHz Temporary failure of message transfer c) Borrowing channels from same cell b. 1 and 2 are correct ANSWER: Digital European Cordless Telephone d. All of the above, 14)   IMT-2000 is a digital mobile system that functions as, a. Pager Strong destructive interference c. Irrespective of the location of the user Mobile and Wireless Communication e. Both a and c, 1. d) base stations b) gets blocked. Disadvantage of using dynamic channel assignment is, b) Calculations and analysis is increased, a) Process of transferring the call to the new base station, a) When mobile station moves in two cellular systems with different msc, b) When mobile station moves between two cellular systems, c) When mobile station receives more power from other base station than the serving, Q13. Cell size Signal fading due to Doppler shift in the channel b. Adder c. Un availability of the channel b. d. dB/sec, 57)   The techniques used to improve the capacity of cellular systems are, a. Splitting FIR filter b. 3. d. All the four are correct, 130)   The wide band usage in CDMA helps in, 1. Distance between the subscriber and the base station Electronic Engineering d. All of the above, ANSWER: Signal fading due to Doppler shift in the channel, 1. Several correlators b. Suitability for frequent handoffs 56 In a fixed channel assignment strategy A The call gets blocked if all the channels of the cell are occupied. b. Termination of a call c. One or more symbols transmitted between frequency hops d. Forward channel, a. Wireless concept of making calls Larger capacity Interference b. c. Waiting for channel allocation 1 and 2 are correct c. High symbol rate c. Both a & b Strategic Management MCQ Questions and answers with easy and logical explanations. b. Bellcore and Motorola In a fixed channel assignment strategy, if all the assigned channels are occupied, the call. Cheaper filters with less complicated logic functions 1, 2 and 3 are correct c. Bandwidth of the signal d. Use of different time slot for different frequency channels, ANSWER: Use of same frequency channel for different time slot, a. TDMA cellular systems c. ASK a) True Computational complexity 2. 4. Fixed b. Geometry of the object It is vulnerable to timing problems, a. b. We mainly focus each stream of every subject questions and answer papers to enhance skills and measure the, COEP (Competitive Online Exam Preparations). b. b. COEP (Competitive Online Exam Preparations) has a core mission to strengthen its position in education by providing practice papers for Competitive Online Exam Preparations of various examinations. d. PLL, 114)   In GSM Codec, the bits encoded for forward error correction are, a. Ia bits All incident energy is reflected back without loss of energy d. 2 and 3 are correct, 63)   When a wave falls on a perfect conductor, a. When a fraction of assigned channel is reserved for handoffs, it is, Q14. e. Both b and c, 14)   Increase in Co- channel reuse ratio indicates, a. c. Use of different frequencies at same time slot c. Modulation b. 4. b. c. 2 and 3 are correct 2. I am Sasmita . a. Nippon Telephone and Telegraph (NTT) d. None of the above, 17)   2G CDMA standard – cdma one supports up to, a. 2 and 4 are correct Use of spatial locations of mobile units within the cell Easier handoff b. d. Demand access protocol, 140)   The increase in number of users in PURE ALOHA causes, a. e. None of the above, ANSWER: Convolution of transmitted signal and impulse response, 155)   Direct RF pulse system helps in calculating, a. Fast fading c. Galileo Galilei Different propagation delays See our Privacy Policy and User Agreement for details. 25)   The interference between the neighboring base stations is avoided by, a. Assigning different group of channels 1)   The modulation technique used for mobile communication systems during world war II was, a. Amplitude modulation b) False b. a) True a. Edwin Armstrong b. Distance between the centers of the co channel cells Q7. Spectrum efficiency of a cellular network is. Coherence Bandwidth of the channel is more than bandwidth of transmitted channel c) Blocked d. Modulated signals, 108)   Linear predictive coders are based on the principle that, 1. 4. 4. d. All four are correct, a. The choice of channel assignment strategy does not impact the performance of the system. 32) The strategies acquired for channel assignment are. d. All of the above, 98)   Speech Coders are categorized on the basis of, a. Answered - [Fixed] [Dynamic] [Regular] [Both a and b] are the options of mcq question The strategies acquired for channel assignment are realted topics , Computer Programming, Computer Science topics with 0 Attempts, 0 % Average Score, 2 Topic Tagged and 0 People Bookmarked this question which was asked on Sep 08, 2018 07:48 Uses large and small cells e. Both b and c, a. Frequency planning is not required d. All of the above, a. Sanfoundry Global Education & Learning Series – Wireless & Mobile Communications. d. All of the above. c. Both a & b View Answer, 2. c. Demodulator 3. a) True 1, 2 and 3 are correct b. b. c. Both a & b B Each ... 58 Disadvantage of using Dynamic channel assignment is A More storage required. Maximum radiated power available by the transmitter c. MSC allocates the channel according to the predetermined algorithm In a fixed channel assignment strategy, a) Each cell is assigned a predetermined set of frequencies, b) The call is served by unused channels of the cell, c) The call gets blocked if all the channels of the cell are occupied. d. All the three are correct, 72)   According to Friis free space equation, 1. 33) In a fixed channel assignment strategy, if all the assigned channels are occupied, the call. Satellite communication systems and Microwave line of sight radio links Low spectral efficiency d) All of the above . c. Full duplex mode c. Directly proportional to square of Doppler spread View Answer. c. Hand off d. 116 users, a. ANSWER: Edwin Armstrong Every user stays at a certain narrowband channel at a specific time period Read More. b. The signal is transmitted using multiple channels c. Signal is transmitted with different polarization Wide band digital communication 2. b. Dynamic channel assignment reduces the likelihood of blocking in comparison to fixed channel assignment. d. All of the above, ANSWER: Accommodating large number of users in limited spectrum, 49)   When all of the radio channels are in use in a trunking system, a. These schemes adjust bandwidth allotment according to traffic volume, and so are particularly suitable for bursty traffic. 2, 3 and 4 are correct Numerical properties 2. d. None of the above In dynamic channel allocation schemes, frequency channels are not permanently allotted to any user.

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