Exam Details
| Subject | advanced digital communication | |
| Paper | ||
| Exam / Course | me | |
| Department | ||
| Organization | Gujarat Technological University | |
| Position | ||
| Exam Date | May, 2017 | |
| City, State | gujarat, ahmedabad |
Question Paper
1
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
ME SEMESTER II EXAMINATION SUMMER 2017
Subject Code: 1722202 Date:10/05/2017
Subject Name: Advanced Digital Communication
Time: 10:30 A.M. to 01:00 P.M. Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Explain orthogonal and orthonormal signals. How does Gram-Schmidt procedure help to construct orthogonal set?
07
Write short notes on " Data detection for controlled ISI"
07
Q.2
Draw the block diagram and explain in detail of the following
1. QAM receiver 2. M-ary PSK receiver.
07
Explain in detail correlation demodulator
07
OR
Compare several Digital Modulation methods at 10-5 symbol error probability.
07
Q.3
Evaluate the probability of error for M-ary PSK.
07
Explain the effect of intersymbol interference on eye opening and prove Nyquist condition for zero ISI.
07
OR
Q.3
Evaluate the probability of error for M-ary PAM.
07
Define equalizer and list various types of equalization methods. Discuss the error rate performance of linear MSE equalizer.
07
Q.4
State the different non-linear modulation methods with memory and explain any one of them in detail.
07
State different non-decision directed loop methods for carrier phase estimation and explain any one in detail.
07
OR
Q.4
What is simplex signal and bi-orthogonal signal? List out all properties of simplex and bi-orthogonal signals.
07
Explain in detail with block diagram of non-decision directed estimation of timing for baseband PAM.
07
Q.5
Explain in detail Code Division Multiple Access.
07
Discuss in brief: Characterization of Fading Multipath Channels.
07
OR
Q.5
Explain in detail Orthogonal Frequency Division Multiplexing.
07
Draw and Explain Signal Space Diagram for following, considering PAM PSK Combined PAM-PSK Rectangular QAM.
07
Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
ME SEMESTER II EXAMINATION SUMMER 2017
Subject Code: 1722202 Date:10/05/2017
Subject Name: Advanced Digital Communication
Time: 10:30 A.M. to 01:00 P.M. Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1
Explain orthogonal and orthonormal signals. How does Gram-Schmidt procedure help to construct orthogonal set?
07
Write short notes on " Data detection for controlled ISI"
07
Q.2
Draw the block diagram and explain in detail of the following
1. QAM receiver 2. M-ary PSK receiver.
07
Explain in detail correlation demodulator
07
OR
Compare several Digital Modulation methods at 10-5 symbol error probability.
07
Q.3
Evaluate the probability of error for M-ary PSK.
07
Explain the effect of intersymbol interference on eye opening and prove Nyquist condition for zero ISI.
07
OR
Q.3
Evaluate the probability of error for M-ary PAM.
07
Define equalizer and list various types of equalization methods. Discuss the error rate performance of linear MSE equalizer.
07
Q.4
State the different non-linear modulation methods with memory and explain any one of them in detail.
07
State different non-decision directed loop methods for carrier phase estimation and explain any one in detail.
07
OR
Q.4
What is simplex signal and bi-orthogonal signal? List out all properties of simplex and bi-orthogonal signals.
07
Explain in detail with block diagram of non-decision directed estimation of timing for baseband PAM.
07
Q.5
Explain in detail Code Division Multiple Access.
07
Discuss in brief: Characterization of Fading Multipath Channels.
07
OR
Q.5
Explain in detail Orthogonal Frequency Division Multiplexing.
07
Draw and Explain Signal Space Diagram for following, considering PAM PSK Combined PAM-PSK Rectangular QAM.
07
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- ad hoc and wireless sensor network
- adaptive signal processing
- additives & compounding
- adv. chem. engg. thermodynamics
- advance air conditioning technology
- advance biomedical imaging
- advance casting technology
- advance control systems
- advance cryptography and information security
- advance database
- advance electrical machines
- advance heat transfer
- advance image processing
- advance industrial drives and control
- advance material technology
- advance oil hydraulic and pneumatic systems
- advance operating system
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- advance stress analysis
- advance topics in textile manufacturing
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- advance vlsi design
- advanced analytical techniques
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- advanced computer architecture
- advanced concrete design
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- advanced construction techniques
- advanced control techniques for electrical machines
- advanced data structures
- advanced design of concrete structures
- advanced design of steel structures
- advanced device drivers - ii
- advanced digital circuit design
- advanced digital communication
- advanced digital signal processing
- advanced digital signal processing and applications
- advanced engineering dynamics
- advanced engineering materials
- advanced fabric manufacturing
- advanced fluid mechanics
- advanced foundation engineering
- advanced geotechnical engineering
- advanced image processing
- advanced internal combustion engine
- advanced kinetics and reaction engineering
- advanced machine design
- advanced mass transfer
- advanced materials processing techniques
- advanced mechanism design
- advanced metrology & experimental techniques
- advanced microcontroller and logic controllers
- advanced power converters
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- advanced power electronics devices
- advanced power system protection & switchgear
- advanced power system protection and switchgear
- advanced process optimization
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- advanced reaction engineering
- advanced refrigeration
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- advanced seismic design of structures
- advanced separation processes
- advanced soil mechanics
- advanced solid mechanics
- advanced steel structures
- advanced thermodynamics
- advanced thermodynamics & heat transfer
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- advanced topics in textile manufacture
- advanced transport processes
- advanced welding technology
- advanced wireless and mobile networks
- advances in concrete technology and sustainable construction practices
- advances in transportation engineering
- advances in wireless communication
- ai techniques
- air & noise pollution control
- air pollution control equipment
- airport system planning and design
- algorithms for vlsi physical design automation
- alternate fuels and energy
- alternative fuels for transportation
- anaerobic biotechnologies
- analog cmos circuit design
- analysis & design of foundation systems
- analytical and numerical methods for structural engg.
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- application based system for air pollution control management
- application based systems for transport of water & wastewater
- application of nanotechnology in chemical engineering
- application of power electronics in renewable energy conversion
- application of power electronics to power system
- application security
- applied biomechanics
- applied linear algebra
- applied super conductivity
- arm processor architecture and system design
- artificial intelligence
- artificial intelligence and expert systems
- artificial intelligence for information technology
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- asic design
- audio video coding & compression
- automative chassis and body engineering
- automobile maintenance & pollution control
- automobile refrigeration & a/c
- automotive aerodynamics & safety
- basics of transportation engineering
- big data analytics
- biodynamics
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- bioprocess &biochemical engineering
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- biostatistics
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- chemical process optimization
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- chemical system modeling and simulation
- cleaner production in chemical industries (cpci)
- cleaner production in rubber industries
- climate change
- cloud and grid computing
- cloud computing
- cloud security
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- cmos circuit design - ii
- cognitive radio
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- combustion engineering
- composites material technology
- computational method
- computer aided design
- computer aided machine design
- computer aided manufacturing
- computer aided process planning
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- computer algorithm
- computer methods in power system analysis
- computer networks
- computer vision
- computerized process control
- concepts in mechatronics engineering
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- control system theory
- cortex-m4 processor architecture and programming
- cryogenic engineering
- cryogenic fundamentals
- cryogenic plant and equipment
- cryogenic system
- cyber crime, ethics and laws
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- data communication and networking
- data mining and data warehousing
- data science
- data structure with object oriented programming
- database management system
- database management systems
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- decision models in management
- design and analysis of experiments
- design and optimization of thermal system
- design for manufacturing and assembly
- design of bridges
- design of experiment
- design of experiment & statistical techniques
- design of heat exchange equipments
- design of heat exchangers
- design of hydraulic structures
- design of language processors
- design of material handling equipments
- design of tall structures
- device drivers - i
- digital control
- digital forensic
- digital image and video processing
- digital image processing
- digital image processing and applications
- digital modulation and coding
- digital protection
- digital signal processing
- digital signal processing algorithms
- digital signal processors: architecture & programming
- digital video processing
- digital vlsi design ii backend (elective i)
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- disaster management and mitigation
- discrete time signal processing
- distributed computing and applications
- distributed database application system
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- docks and harbour engineering
- earth and rockfill dams
- economic evaluation of transportation projects
- economics of energy generation & supply
- electric power distribution system
- electric vehicles
- electrical energy conservation & management
- electrical machine modelling and analysis
- electromagnetic compatibility in power electronics
- elementary machine foundation
- embedded and linux programming
- embedded and vlsi signal processing
- embedded system for instrumentation
- embedded systems
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- embedded wireless technologies
- emc in power electronics
- energy and mass integration
- energy audit and management
- energy conservation & management
- energy conversion systems
- energy economics and management
- energy efficient electrical systems
- energy management
- energy resources economics and environment
- energy technology
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- engineering optimization
- english for research paper writing
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- ethical hacking
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- finite element method
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- finite element methods
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- first course in optimization techniques
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- flood management
- fluid mechanics and gas dynamics
- fluidization engineering
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- information security
- information system and network security
- information theory & coding
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- intelligent sensor and instrumentation
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- internet technology
- internetworking & application
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- mechatronics
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- solid state ac drives
- solid state dc drives
- speciality elastomers and its technology
- speech signal processing
- statistical information processing
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- statistical techniques and design of experiment
- statistics for biomedical engineers
- statistics for engineers
- strategic management
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- surface science and nano technology
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- testing and verification of vlsi design
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- theory & design of textile machine - i
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- theory and design of textile machine i
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- theory of fabric structures
- theory of thin plates & shells
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