Course Name: Comprehensive Experiment of Communication Network Engineering
Hours: 36 Credits: 1.5
Applicable Major: Communication Engineering
Prerequisites: Communication Principles, Modern Communication System
Course nature: compulsory
1. The status and tasks of the course
This course is an important professional course and main course of communication engineering. Through the study of this course, students will further deepen their understanding of the basic concepts of communication networks and basic theories on the basis of theoretical courses such as "Principles of Communication", "Optical Fiber Communication Systems", "Mobile Communication Systems", and "Communication Networks" Mastery. Cultivate students 'basic skills in conducting communication network experiments and the ability to comprehensively use the knowledge they have learned to discover, analyze, solve problems, and engineering practices, improve students' comprehensive professional qualities, and lay a solid foundation for subsequent courses of study and post-graduation work.
2. Experimental content and requirements
1. Common channel characteristics measurement in communication system
(1) Measurement of white noise characteristics
u Learn to master the nature and characteristics of white noise and the impact of noise on the performance of communication systems.
(2) Rayleigh fading channel characteristics test and simulation
u Understand the mechanism of Rayleigh fading and master the characteristics of Rayleigh fading channels
(3) Measurement and simulation of Rice fading channel characteristics
u Understand the mechanism of Rice fading and master the characteristics of Rice fading channel
(4) Measurement and simulation of two-path fading channel characteristics
u Understand the two-path fading model and master the characteristics of two-path fading channels
(5) Measurement of characteristics of nonlinear channels and hard-limit channels
u Understand the causes of channel nonlinearity and master the characteristics of general nonlinear channels
(6) Fiber optic transmission system experiment
u Understand the main technical indicators of optical fiber transmission system and the composition of optical receiver.
2. Telecom Exchange and Access
(1) Program-controlled exchange and common coding technology
u Master the main functions completed by the user loop interface
u Master the working principle of PCM codec
u AMBE (multi-band excitation) low-speed voice coding and decoding experiment
u Understanding and understanding of user interface address signaling
u Master the main process of caller connection
u Understand the cause of echo in communication system and its influence on communication
u Understand the composition of ASU
u Understand the design and distribution of network loss in the telephone network
(2) System synchronization experiment
u Analog phase-locked loop experiment
u Digital phase-locked loop experiment
3. Wireless transmission / software radio experiment
(1) Common transmission technology for wireless communication
u Understand the basic working principle and performance of continuous phase FSK modulation and demodulation
(2) Commonly used transmission technologies for satellite communications
u Understand the basic working principle of BPSK modulation / demodulation
u Understand the basic working principle of QPSK modulation / coherent demodulation,
u Understand the basic working principle of OQPSK modulator
(3) Commonly used modulation methods for mobile communications
u Understand the basic working principle of BPSK differential (non-coherent) demodulation
u Understand the basic working principle of DQPSK differential (non-coherent) demodulation
u Understand the basic working principle of MSK modulation.
u Understand the basic working principle of GMSK modulation / demodulation
u Understand the basic working principle of π / 4DQPSK modulation / non-coherent demodulation
u Understand the basic principles of DS / CDMA spread spectrum code division multiple access
u Understand the basic principles of FH / CDMA spread spectrum code division multiple access
4. Comprehensive experiment of communication system
Master the basic composition of the communication system There is a comprehensive understanding of the role and status in the system.
5. Secondary development experiment
The secondary development experiment is a design experiment conducted independently by students under the guidance of teachers and a certain experimental environment. Its purpose is to cultivate students' sense of innovation and improve their ability to innovate comprehensively with the knowledge they have learned.
3. Suggestions on experimental teaching content and time allocation
The experimental teaching content should be reasonably selected from the abundant experimental resources according to the current teaching basic requirements and the development status of communication technology under the guidance of the teaching reform policy.
Serial number
Experimental content
Hours
1
Communication channel simulation experiment (see the course outline for details)
10
2
Communication terminal experiment (see this for details
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