B. Roamer Time diversity e. Both a and c, 1. 3. Fixed assignment is possible b. Larger capacity The minimum spectrum allocation required for W-CDMA is, 23. Effective Isotropic Radiated Power d. Both a and b are correct The privacy due to unique codes Carrier frequency of a TV remote control is in the range, A. of Infra red Polarization of the wave B. 64 users Coherence Bandwidth of the channel is more than bandwidth of transmitted channel 2. b. Digitized Emergency Cellular Telephone B. The type of frequency domain coding that divides the speech signal into sub bands is, A. Waveform coding c. Digital modulation formats C. 32 users The wide band usage in CDMA helps in, 1. 2. The modulation technique used for mobile communication systems during world war II was, A. Amplitude modulation Increased capacity Multiple versions of signals are transmitted at different time instants B. 3G W-CDMA is also known as a. UMTS b. DECT c. DCS-1800 d. ETACS 3G W-CDMA is also known as a. UMTS b. DECT c. DCS-1800 d. ETACS 2. B 5. march 26th, 2018 - related microwave communication multiple choice questions with answers pdf free ebooks excel chapter 1 test answers english a1 hl paper 2 psychic pathway the worship''IMPORTANT QUESTIONS ON 15 / 23. C. 2 and 3 are correct c. Leakage of energy signals by non cellular systems into cellular frequency band b. < 100 MHz B. Vocoders d. None of the above, 9)   Carrier frequency of a TV remote control is in the range, a. of Infra red 1, 2 and 3 are correct e. Both a and c, A. Transversal filter C. 2 and 3 are correct D. Frequency selective fading, 146. e. Both b and c, 33. B. Refraction Encoding digital data d. < 2 GHz, 10)   Half duplex system for communication has, a. Communication in single direction Zero forcing algorithm d. None of the above, 154)   The received signal from a multipath channel is expressed as, a. Convolution of transmitted signal and impulse response C. Signal to noise ratio B. c. Accommodating large number of users in limited spectrum Equalization based, 96)   The RAKE receiver involves the steps, a. Correlator, estimation of transmitted signal, demodulation, bit decision Use of spatial locations of mobile units within the cell 2. d. All four are correct, 122)   TDMA is a multiple access technique that has, a. c. Cosine window When mobile station moves between two cellular systems I am an M.Tech in Electronics & Telecommunication Engineering. Collection of hardware components and computers B. Interconnected by communication channels C. Sharing of resources and information D. All of the Above 1-2 What is a Firewall in Computer … e. Both b and c, a. The strategies acquired for channel assignment are, A. b. Time dispersion, 153. Phase c. Full duplex systems c. Excess delay spread Reflection Speech Coders are categorized on the basis of, A. b. B. Equalizer C. Un availability of the channel b. Transmitters of base stations C. Transmitter and receiver The preamble contains Address of base station and subscribers, 1. Unobstructed line of sight between the transmitter and receiver B. Free download in PDF Mobile Communication Multiple Choice Questions and Answers for competitive exams. 3. 1 and 2 are correct A short summary of this paper. b. Increase in delay b. D. Forward channel, A. Wireless concept of making calls Uses different antenna heights C. Modulation C. II bits No, at this stage it is one-way communication b. B. Type of modulation technique used D. None of the above. Cheaper filters with less complicated logic functions A They require large antennas, have lower bandwidth and are difficult to manage in cells and frequency reuse schemes X B They require small antennas and have higher bandwidth C. Irrespective of the location of the user Using same communication medium Mobile station battery consumption is low B. Increasing the number of base stations & reusing the channels c. Waiting for channel allocation Increase in radio spectrum Frequency change, 89. b. Receiver D. All of the above, 32. These short objective type questions with answers are very important for Board exams as well as competitive exams. Time synchronization problems Fractionally spaced equalizer acts as, A. No, at this stage it is one-way communication b. You will get 1 point for each correct answer. B. C. Different spectrum and different PN code The bandwidth of modulated signal When mobile station moves in two cellular systems with different MSC 1 and 3 are correct Increased immunity to interference Changes in signal strength b. Ib bits INFORMATION TECHNOLOGY QUESTIONS AND ANSWERS … PDF File: Information Technology Questions And Answers Multiple Choice – PDF-ITQAAMC-15LIOM-9 4/4. Time synchronization problems d. All the four are correct, 131)   The advantages of using a CDMA technique over other spread spectrum techniques are, 1. Signal fading due to Doppler shift in the channel Time required for synchronization between the transmitter and the receiver c. Un availability of the channel d. Both a and b C. Channel that passes all spectral components with linear phase Random frequency modulation Why are waves with a very low frequency not used for data transmission in computer networks? A single, overall cost of capital is often used to evaluate projects because: a. 4. 3. The privacy due to unique codes Process of transferring the call to the new base station Satellite communication systems and Microwave line of sight radio links 2. Hand off 4. C. Both a & b Use of spatial locations of mobile units within the cell c. The wave gets refracted in the direction of source Focused signal transmitted into narrow transmission beams Large coherence time of the channel as compared to the delay constraints B. Interference in frequency bands may lead to, A. D. None of the above, 62. B. Tracking D. All of the above, 36. 2. Low frequency bands of speech b. Albert Einstein D. All of the above, Ans:- The power received by the mobile station from other base station is more than the serving base station, 47. b. b. Reduced spectral efficiency B 17. B. Ib bits Time diversity The serving base station requests for a channel from MSC B. c. 1, 2 and 3 are correct 1 and 2 are correct 1, 2 and 3 are correct PDF | On Apr 2, 2013, mahendra Kumar published multiple choice questions on wireless communication | Find, read and cite all the research you need on ResearchGate Our 1000+ Wireless & Mobile Communications questions and answers focuses on all areas of Wireless & Mobile Communications subject covering 100+ topics in Wireless & Mobile Communications. ISI is lesser, a. b. Equalizer b. Equalizer algorithm b. d. None of the above. b. Received power increases with gains of transmitting and receiving antennas, 1. B. c. Both a & b d. Both a and b are correct 1, 2 and 3 are correct Spread spectrum technology In TD-SDMA, there is a frame of _____milliseconds and the frame is divided into _____ time slots. 1, 2 and 3 are correct Maximum radiated power available by the transmitter D. All of the above, A. Temporary failure of message transfer B. B. Channel that passes all spectral components with equal gain 1, 2 and 3 are correct C. Coverage zone approach A. Edwin Armstrong Suitable for noisy environments, 103)   The type of frequency domain coding that divides the speech signal into sub bands is, a. Waveform coding c. Frequency translation methods These are time domain vocoders 2, 3 and 4 are correct d. None of the above, ANSWER: Coherence Bandwidth of the channel is less than bandwidth of transmitted channel, 148)   If coherence time of the channel is smaller than the symbol period of the transmitted signal, it is, a. b. c. Using different antennas B. Types of small scale fading, based on Doppler spread are, A. The two common multiplexing techniques are FDM, which separates signals by modulating the data onto different carrier frequencies, and TDM, which separates signals by interleaving bits one after the other. C. Both a & b c. 2 and 4 are correct 2. d. dB/sec, 57)   The techniques used to improve the capacity of cellular systems are, a. Splitting The serving base station requests for a channel from MSC Half duplex systems D. Both a and b are correct Different users in different time slots B. Frequency allotted Using same communication medium b. Different propagation delays B. Lattice filter 2. Spread spectrum sliding correlator channel sounding C. Flat fading Training B. Receiver D. All four are correct, 1. Depends upon the distance between transmitting and receiving antenna, 71)   The free space model of propagation refers to, 1. B. d. Both a and b are correct Each user is assigned unique frequency slots Use of same frequency channel for same time slot c. Encoders D. Both a and b Independent of the signal source D. Pre emphasis, segmentation, filtering, windowing, Ans:- Pre emphasis, segmentation, windowing, filtering, 112. Mobile Internet A 12. 4. b. C. New channel allocation is done 2 and 3 are correct 1 and 2 are correct D. All of the above, 42. B. Increase in Co- channel reuse ratio indicates, A. Equalizer algorithm c. Both a & b D. dB/sec, 57. Training Strong destructive interference According to Friis free space equation, 1. Large bandwidth Number of operations for one iteration of algorithm Distance between the centers of the co channel cells Mobile Identification Number More than one frequency hop during each symbol C. Inputs and outputs of repeaters Choice Questions For Mobile Communications April 30th, 2018 - Selected Multiple Choice Questions For Mobile Communications 1 … 2. 2. d. None of the above, a. Single user on multiple channels as per demand B. A 15. D. All of the above d. Sub-band coding, 104)   The speech coding technique that is dependent on the prior knowledge of the signal is, a. Waveform coders B. D. Both a and b B. d. Both a and b Same spectrum and different PN code c. Irrespective of the location of the user The bandwidth allotted to the signal C. 2 and 4 are correct B. Lattice filter d. Both b and c Wireless Communication Quiz Our quizzes are multiple choice questions. b. C. Blocked calls Advantage of using Spread Spectrum modulation is/are, 1. 4. B. b. 3. 1 and 2 are correct Short Messaging Service d. All four are correct, 129)   CDMA is advantageous over other Spread Spectrum techniques for, 1. Two base stations operating in same frequency band e. Both a and c, a. Transversal filter Advantage of using Dynamic channel assignment is, A. C. Spectrum Disadvantage of using Dynamic channel assignment is, A. c. 2 and 3 are correct B 7. These topics are chosen from a collection of most authoritative and best reference books on Wireless & Mobile Communications. 1 and 2 are correct Using same communication medium Channel that passes all spectral components with equal gain d. All the three are correct, 72)   According to Friis free space equation, 1. Amplitude of the incident wave c. Each user is assigned a unique code sequence Fewer number of cells are required Rate of convergence 2. Spectrum unavailability c. New channel allocation is done 4. Polarization of the wave D. Both a and b Each user has unique PN code, A. c. MSC need not monitor the signal strength Avoids complex equalizers 3. All incident energy is reflected back without loss of energy 1, 2 and 3 are correct Electronics and Communication Engineering Questions and Answers. c. Modulation Increased immunity to jamming 1, 2 and 3 are correct D. All of the above, Ans:- Number of bit errors during transmission, 82. Strong destructive interference D. SDMA cellular systems, 126. D. All of the above, 52. C 13. 1 and 2 are correct Computational complexity Pitch detection is not required - 1 It is vulnerable to timing problems, a. b. Slow fading D. Coder and decoders have predetermined set of codes, Ans:- The residue of subtraction of generated and original signal is quantized at the transmitter, 111. Received power increases with gains of transmitting and receiving antennas, 1. e. None of the above, Ans:- Convolution of transmitted signal and impulse response, 155. Reflection coefficient is zero Distance between the centers of the co channel cells Multiple Choice Questions of Computer Networking 1-1 Computer Network is A. B. Multiple pulses per period Direct sequence spread spectrum demodulation uses, A. 3. c. Block transform coding Multiple Choice Questions With Answers In Business Communication Author: media.ctsnet.org-Andrea Bergmann-2021-01-03-01-18-25 Subject: Multiple Choice Questions With Answers In Business Communication Keywords: multiple,choice,questions,with,answers,in,business,communication Created Date: 1/3/2021 1:18:25 AM d. None of the above, a. 1 and 2 are correct d. Qualcomm, ANSWER: Nippon Telephone and Telegraph (NTT), a. Simplex systems Several sub receivers c. Different spectrum and different PN code 2. e. All a, b and c are correct, 84)   The time span for which the equalizer converges depends upon, 1. Digital European Cellular Telex d. Frequency non selective fading, 149)   The power delay profile helps in determining, a. In voice excited vocoders, PCM transmission helps in transmission of, A. b. Different amplitudes Single user on multiple channels as per demand e. Both a and c, 1. C. Estimation of transmitted signal, demodulation, correlator, bit decision 4. Working of Adaptive Equalizers include, A. d. Frequency selective fading, 146)   Flat fading or frequency nonselective fading is a type of, a. Multipath delay spread small scale fading d. None of the above, 19)   The 2G GSM technology uses a carrier separation of, a. In a fixed channel assignment strategy, if all the assigned channels are occupied, the call, A. 200 KHz c. Frequency divider B. Increased capacity Directly proportional to Doppler spread b. Spread spectrum technology b. Scheduled access protocol The call is served by unused channels of the cell Mobile station battery consumption is low 3. C. Leakage of energy signals by non cellular systems into cellular frequency band Half duplex systems b. CDMA/FDD The power received by the mobile station from other base station is more than the serving base station Multiple choice questions have four possible answers. 1 and 4 are correct Time dispersion, 153)   Impulse response of a multipath channel is determined by the fact that, a. Fresnel Reflection Coefficient is a factor of, 1. B. The test contains 11 questions and there is no time limit. 3. High frequency bands of speech TDMA is employed with a TDMA frame that has preamble. D. All the four are correct, 131. c. Part of energy gets absorbed B. c. Is used for high speed users with large coverage area and low speed users with small coverage area B. c. Expressed in Erlang /MHz /km2 4. B. Queuing of handoffs Equalization based, A. Correlator, estimation of transmitted signal, demodulation, bit decision c. Is kept on waiting D. Both b and c Time required for synchronization between the transmitter and the receiver b. The call is served by unused channels of the cell D. None of the above, 12. 2. More storage required c. Maximum Likelihood Sequence Estimation, a. Frequency band of the channel D. None of the above, 19. C. The mobile station has no signal C. Subtraction of transmitted signal and impulse response C. Two calls in progress in nearby mobile stations Limited internet browsing C. MSC need not monitor the signal strength c. Both a & b b. b. Cordless b. Decreasing the strength of antenna 2, 3 and 4 are correct B. Receiver Waveform coders and Vocoders are the types of, A. c. 1, 2 and 4 are correct 2. Space diversity b. Several sub receivers 2. Coherence Bandwidth of the channel is more than bandwidth of transmitted channel D. Amplitude, A. Geometry of the object d. All of the above, a. TDMA/FDD Required fields are marked *. D. Both a and b C. Low earth orbit satellites c. Minimum time for change in magnitude and phase of the channel d. All of the above. c. Propagation of call 1, 2 and 4 are correct 3. b. d. None of the above, 88)   The performance of algorithms for Adaptive Equalization are given by, 1. 35)   In a dynamic channel assignment strategy, a. C. The queue may be provided c. 32 users Multiple users on single channel B. You can answer the quiz questions by clicking on the "radio" buttons. C. 2 and 3 are correct b. Waveform coders c. Diffraction c. 2 and 3 are correct c. Multiple pulses per period In a fixed channel assignment strategy, A. B. d. Both a and b To eliminate the need of pulse shaping filter 3. In Dynamic channel assignment, any channel which is being used in one cell can be reassigned simultaneously to another cell in the system at a reasonable distance. Half duplex mode Multiple carrier frequencies 2. It rejects narrow band interference c. MSC allocates the channel according to the predetermined algorithm b. 1, 2 and 3 are correct Digital European Cellular Telex C. Frequency allocation of nearest cells 4. d. All of the above, ANSWER: Number of bit errors during transmission, 82)   The digital modulation technique used in frequency selective channels is, 83)   Working of Adaptive Equalizers include, a. Frequency diversity b. Resistance to multipath fading A 8. c. Both a & b ______________ often leads to one party gaining an advantage over the other, if it can negotiate at the … A. Amplitude modulation B. d. All of the above, 42)   When a fraction of assigned channel is reserved for handoffs, it is, a. d. The spectrum acquired by the noise between the signal, ANSWER: The small unused bandwidth between the frequency channels to avoid interference, 1. MCQ quiz on Mobile Communication multiple choice questions and answers on Mobile Communication MCQ questions on Mobile Communication objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. d. None of the above, ANSWER: Communication in single direction at a time, a. D. None of the above, A. D. None of the above, 17. 3. b. D. Communication channel, 1. Induced delays Smart antennas pointing towards mobile stations Linearity, A. c. 2 and 4 are correct d. All four are correct, a. C. Propagation of call e. Both a and c are correct, 143)   The increased capacity of SDMA is due to, a. d. Multiplexers, 107)   In voice excited vocoders, PCM transmission helps in transmission of, a. c. 1 and 4 are correct 38)   In Dynamic channel assignment, any channel which is being used in one cell can be reassigned simultaneously to another cell in the system at a reasonable distance. Reflection coefficient is zero 3. b. Interference Induced delays e. None of the above, ANSWER: Convolution of transmitted signal and impulse response, 155)   Direct RF pulse system helps in calculating, a. Every user has assigned unique frequency slot Rate of change of multipath radio channel Hexagon shape is used for radio coverage for a cell because, A. b. 2. Different spectrum allocation in different time slots, a. Distance between the subscriber and the base station C. More battery consumption d. 2 and 3 are correct, 63)   When a wave falls on a perfect conductor, a. d. None of the above, 12)   The process of transferring a mobile station from one base station to another is, a. MSC 3. B. ISI is lesser, A. Guard channel concept B. D. All of the above, A. C. Channel allocation for transmission d. Each signal is modulated with frequency modulation technique, ANSWER: Different users in different time slots, 123)   In TDMA, the user occupies the whole bandwidth during transmission, a. Use of same frequency channel for different time slot Decision Feedback Equalization c. Coherence Bandwidth of the channel is equal to bandwidth of transmitted channel The residue of subtraction of generated and original signal is quantized at the transmitter c. < 1 GHz b. Your email address will not be published. Matched filter All the Multiple Choice Question and Answer (MCQs) have been compiled from the books of Data Communication and Networking by the well known author behrouz A forouzan. Multiple users occupy different spectrum at a time, 1. B. Fingers D. All of the above, Ans:- Signal fading due to Doppler shift in the channel, 1. Using transmitters with different power level The access to the system is denied The traffic carried per cell divided by the bandwidth of the system and the area of a cell 1 and 2 are correct B. d. Both a and b D. All of the above, A. Transmitter B. 1, 3 and 4 are correct Is an expression for noise power 2. Numerical properties C. Regular Read More. b. Welch window 3. 3. b. FDMA cellular systems Resistance to multipath fading Spectrum Efficiency of a cellular network is, A. Voice channels are not permanently assigned b. Is an expression for noise power B. C. Envelope detection, encoding, sampling, multiplexing c. Directly proportional to square of Doppler spread D. None of the above, 154. D. Demand access protocol, 140. 2. d. All of the above, 101)   Speech coding technique that is independent of the source is, a. Vocoders Direct RF pulse system More than one frequency hop during each symbol D. Both a and b Maximum Likelihood Symbol Detection Each user is assigned unique frequency slots Suitable for noisy environments, 103. Encoding digital data Using same communication medium 3. D. None of the above, 9. 2. 1 and 3 are correct d. Receivers of mobile stations, a. Fading of the received radio signals in a mobile communication environment occurs because of ..... A) Direct propagation Easier handoff Number of bit errors during transmission 3. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. Changes in signal strength D. Hamming window, 113. C. Power delay of the channel PN sequence for modulation In a dynamic channel assignment strategy, A. 3. 1 and 2 are correct D. None of the above, A. C. Encoders B. Large bandwidth 1, 2 and 3 are correct Same spectrum and same PN code Fundamentals of mobile communication - 1 - MCQs with answers 3G Cellular Networks Q1. c. Small coherence time of the channel as compared to the delay constraints d. All of the above, 48)   Trunking in a cellular network refers to, a. Frequency of the incident wave, a. Impulse response in phase domain D. 300 KHz, 21. B. Linear filters 3. Indirectly proportional to Doppler spread B. d. All the four are correct, 1. 2 and 4 are correct Fixed B 14. D. Both a and c Smart antenna technology d. Both a and b d. David Bohm, 3)   The early FM push-to-talk telephone systems were used in, a. Simplex mode Rate of convergence B. CDMA/FDD Independent of the signal source CDMA2000 1xEV provides high speed data access with channel allocation of. B. rms delay spread 3. Robustness to transmission errors This paper. Temporary failure of message transfer, A. c. 1, 2 and 4 are correct e. Both a and c, A. It rejects narrow band interference World’s first cellular system was developed by, A. Nippon Telephone and Telegraph (NTT) Half duplex system for communication has, A. Communication in single direction C. 1, 2 and 4 are correct D. Both a and b are correct C. Yagi uda antennas Frequency domain channel sounding, Your email address will not be published. C. Excess delay spread Spectrum unavailability Frequency synchronization problems Low frequency bands of speech b. More than one frequency hop during each symbol 2)   ———– introduced Frequency Modulation for mobile communication systems in 1935. a. Edwin Armstrong Distance between the transmitter and receiver, A. b. Vocoders d. All of the above, ANSWER: Number of operations for one iteration of algorithm, 90)   The algorithms acquired for adaptive equalization are, 1. Division is simpler c. Both a & b d. Channel allocation for transmission, 100)   PCM, DPCM, DM, ADPCM are the types of, a. Vocoders 4G mobile communication, 1. Free download in PDF Mobile Communication Multiple Choice Questions with Answers for competitive exams. c. 1, 2 and 4 are correct Fundamentals of mobile communication 4 MCQs with answers. 3. Frequency non selective fading e. Both a and c are correct, A. d. All of the above, ANSWER: Assigning different group of channels, 26)   Radio capacity may be increased in cellular concept by, a. The methods used for non linear equalization are, A. B. Omni directional antennas B 20. More than one frequency hop during each symbol d. None of the above, 17)   2G CDMA standard – cdma one supports up to, a. 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. B QUESTION 1 1. 4. High traffic conditions Reduced spectral efficiency Signal compression techniques 2. D 11. Multiple users at same frequency, 135. Multiplexing is transmitting multiple signals over a single communications line or computer channel. b. d. All are correct, 61)   The rainbow pattern seen on a CD is an example of, a. B. e. All a, b and c are correct, 92. b. Phase B. Doppler spread small scale fading Satellite communication systems and Microwave line of sight radio links 3. c. Channel that passes all spectral components with linear phase No reflection occurs at the first medium Its ability to frequency reuse, A. D. All of the above, 51. B. 2. Multiple users occupy different spectrum at a time, 1. 2. B. COMMUNICATION SYSTEMS Questions and Answers pdf free download for ece mcqs objective type interview questions lab viva manual GATE CAT syllabus Skip to content Engineering interview questions,Mcqs,Objective Questions,Class Notes,Seminor topics,Lab Viva Pdf free download. Signal compression techniques To eliminate ISI They are among low bit rate vocoders, A. Faster handoffs c. 2 and 4 are correct 2. Limited spectrum is required c. Estimation of transmitted signal, demodulation, correlator, bit decision 35. Better speech quality Termination of a call When a wave falls on a perfect conductor, A. Sensitivity to Doppler shift D. PLL, 76. Once you have completed the test, click on 'Submit Answers for Grading' to get your results. D. All of the above, A. Radius of the cell 2. Amplitude, frequency, and phase Multiple Choice Question and Answer. B. D. Receivers of mobile stations, A. 2. Pitch detection is not required B. Hopping rate greater than or equal to information symbol rate C. Frequency translation methods d. All of the above, a. Selected multiple-choice questions for Mobile Communications 1. 2. C. Decreasing the S/N ratio at the antenna input Robustness to transmission errors b. Faster handoffs The process of transferring a mobile station from one base station to another is, A. MSC Drop in signal to noise ratio B. Mobile radio channel may be modeled as linear filter d. Modulated signals, 108)   Linear predictive coders are based on the principle that, 1. Propagation along the ground surface, A. C. When mobile station receives more power from other base station than the serving base station 4. c. Frequency selective fading D. All the four are correct, 78. Fading due to large obstructions D. Directly proportional to twice of Doppler spread, Ans:- Directly proportional to Doppler spread, 145. b. LTP filter D. Both a and b c. One or more symbols transmitted between frequency hops Single channel per carrier The 2G GSM technology uses a carrier separation of, A. C. Voice message Type of modulation technique used d. Both a and b For receiving calls c. Transmitter and receiver Range of the time delays Received power falls with square of the distance between the transmitter and receiver High frequency bands of speech C. Both a & b c. Spectrum b. B. 4. Vocal tract cepstral coefficients and excitation coefficients are separated by, A. Samplers Fixed assignment is possible Half duplex mode Range of the time delays Token ring D. Block transform coding, 105. Excess delay D. Each signal is modulated with frequency modulation technique, Ans:- Different users in different time slots, 123. Inaccuracies in the mathematical analysis c. Use of different frequencies at same time slot High traffic conditions C. 2 and 4 are correct b. b. B. Increase in delay 1, 2 and 3 are correct 4. c. Increase in spectrum b. b. Lattice filter Impulse response of a multipath channel is determined by the fact that, A. D. All of the above, Ans:- Accommodating large number of users in limited spectrum, 49. B. Modulation technique B. A) A mobile Unit B) A cell Site C) A mobile Telephone Switching Office D) All of the above 2. c. λ/ sec Frequency modulation Linear filters About us; Sampling, Envelope detection, encoding, multiplexing Distance between the transmitter and receiver, a. 4. The effects of small scale multipath propagation are, 1. Time PN sequence for modulation The time span for which the equalizer converges depends upon, 1. 3. 2. d. All are correct, a. 3. Ability of a user to access trunked system during busy hour 3. D. All of the above, A. Sectored directional antennas 4. 1 and 3 are correct d. Both a and b c. Low pass filter D. Modulated signals, 108. Different phase, 152)   The effects of small scale multipath propagation are, 1. D. None of the above, Ans:- Increasing the number of base stations & reusing the channels, 27. Coded sequence, A. ... May 8th, 2018 - Multiple Choice Questions and Answers on Mobile Communication – Electronics Post Download D. Modulated signals, 108 answers 3G cellular networks Q1 above, a receiver a! Envelope Detection, sampling, encoding, multiplexing b the linear Equalizer may implemented! And computer networks are correct C. 1 and 3 are correct D. All the four correct. Answers ( MCQs ) focuses on “ Barriers of communication - MCQs with answers are important! Signal strength D. 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