Principles of Communication (Beijing University of Posts and Telecommunications, under update)

"Communication Principles" is a core professional basic course for electronic information related majors. This course introduces the general principles of information transmission at the physical layer, that is, the basic principles and related methods of how to achieve information transmission with the help of electrical signals. The content of this course mainly includes: deterministic signal analysis, random signal analysis, analog sinusoidal modulation, digital baseband and frequency band transmission, signal sources, etc. This course is an introductory course in communications, focusing on basic principles and theories, laying a solid foundation for further study.

Teaching videos related to Beijing Postgraduate Entrance Examination Subject 801

Supporting textbooks: Principles of Communication, Third Edition, Zhou Jiongpan, Pang Qinhua, Wu Weiling, Yang Hongwen, Beijing University of Posts and Telecommunications Press

• Chapter 1：introduction (2 hours and 44 seconds)

• Chapter 2：OK signal (22 minutes and 9 seconds)

• Chapter 3：linear system (46 minutes and 36 seconds)

• Chapter 4：Frequency band signals and bandpass systems (47 minutes and 44 seconds)

• Chapter 5：stochastic process (49 minutes and 53 seconds)

• Chapter 6：stationary process (51 minutes and 14 seconds)

• Chapter 7：Stationary process through linear system (49 minutes and 33 seconds)

• Chapter 8：narrowband random process (50 minutes and 32 seconds)

• Chapter 9：Additive noise and matched filters (48 minutes and 2 seconds)

• Chapter 10：matched filter (39 minutes and 52 seconds)

• Chapter 11：Random process 1 (49 minutes and 36 seconds)

• Chapter 12：Introduction to stochastic processes (44 minutes and 21 seconds)

• Chapter 13：Random Process Numeric Characteristics (49 minutes and 46 seconds)

• Chapter 14：Random process 2 (45 minutes and 10 seconds)

• Chapter 15：Introduction to amplitude modulation and DSB (36 minutes and 14 seconds)

• Chapter 16：AM and SSB (29 minutes and 47 seconds)

• Chapter 17：VSB and amplitude modulation anti-noise performance analysis (6 minutes and 30 seconds)

• Chapter 18：Amplitude Modulation Noise Immunity Performance (44 minutes and 46 seconds)

• Chapter 19：Introduction to angle modulation (50 minutes and 51 seconds)

• Chapter 20：Angle modulation and demodulation (10 minutes and 24 seconds)

• Chapter 21：Analysis of anti-noise performance of angle modulation (51 minutes and 14 seconds)

• Chapter 22：Analysis and application of various analog modulation anti-noise performance (45 minutes and 21 seconds)

• Chapter 23：Introduction to modulation (22 minutes and 0 seconds)

• Chapter 24：Introduction to Amplitude Modulation (24 minutes and 37 seconds)

• Chapter 25：DSB and AM (48 minutes and 30 seconds)

• Chapter 26：AM and SSB (38 minutes and 16 seconds)

• Chapter 27：SSB and VSB (46 minutes and 45 seconds)

• Chapter 28：angle modulation (45 minutes and 14 seconds)

• Chapter 29：Introduction to anti-noise performance (3 minutes and 30 seconds)

• Chapter 30：Amplitude Modulation Noise Immunity Performance (49 minutes and 30 seconds)

• Chapter 31：Analysis of anti-noise performance of linear system and angle modulation (22 minutes and 40 seconds)

• Chapter 32：Angle modulation noise immunity (44 minutes and 18 seconds)

• Chapter 33：Pre-emphasis and de-emphasis (29 minutes and 0 seconds)

• Chapter 34：Frequency Division Multiplexing and Superheterodyne Receivers (49 minutes and 16 seconds)

• Chapter 35：FM signal-to-noise ratio analysis (44 minutes and 1 seconds)

• Chapter 36：Introduction to digital baseband transmission (50 minutes and 39 seconds)

• Chapter 37：Baseband signal spectrum characteristics (42 minutes and 14 seconds)

• Chapter 38：Common code patterns for baseband transmission (46 minutes and 51 seconds)

• Chapter 39：Line pattern experiment (16 minutes and 34 seconds)

• Chapter 40：Best reception of baseband signals under AWGN (49 minutes and 59 seconds)

• Chapter 41：The signal passes through the band-limited channel and ISI (50 minutes and 9 seconds)

• Chapter 42：Nyquist criterion and raised cosine roll-off (50 minutes and 9 seconds)

• Chapter 43：Best reception under ideal limited band (43 minutes and 39 seconds)

• Chapter 44：Eye (24 minutes and 12 seconds)

• Chapter 45：balanced (22 minutes and 55 seconds)

• Chapter 46：partial response (40 minutes and 32 seconds)

• Chapter 47：Introduction to digital baseband systems (50 minutes and 57 seconds)

• Chapter 48：Line code pattern (top) (51 minutes and 2 seconds)

• Chapter 49：Line code pattern (below) (48 minutes and 38 seconds)

• Chapter 50：Digital baseband signal low pass filter reception (50 minutes and 16 seconds)

• Chapter 51：Best reception of digital baseband signals (44 minutes and 24 seconds)

• Chapter 52：Inter-code interference-free baseband transmission characteristics (50 minutes and 26 seconds)

• Chapter 53：Raised cosine roll-off (46 minutes and 20 seconds)

• Chapter 54：Ideal band limited best reception (40 minutes and 4 seconds)

• Chapter 55：balanced (50 minutes and 10 seconds)

• Chapter 56：partial response system (49 minutes and 21 seconds)

• Chapter 57：Partial response and symbol synchronization (48 minutes and 31 seconds)

• Chapter 58：Nyquist criterion (11 minutes and 37 seconds)

• Chapter 59：Introduction to digital modulation (9 minutes and 58 seconds)

• Chapter 60：OOK modulation and demodulation (40 minutes and 0 seconds)

• Chapter 61：Best reception of binary signals (11 minutes and 1 seconds)

• Chapter 62：Review of Binary Modulation (Part 1) (43 minutes and 29 seconds)

• Chapter 63：Review of Binary Modulation (Part 2) (42 minutes and 16 seconds)

• Chapter 64：Best reception of binary signals (54 minutes and 22 seconds)

• Chapter 65：BPSK and carrier synchronization (35 minutes and 54 seconds)

• Chapter 66：Performance comparison of binary modulation systems and QPSK (50 minutes and 8 seconds)

• Chapter 67：QPSK and OQPSK (45 minutes and 0 seconds)

• Chapter 68：DPQSK and orthogonal signal space (47 minutes and 37 seconds)

• Chapter 69：polydigital modulation system (11 minutes and 43 seconds)

• Chapter 70：MAP guidelines (40 minutes and 25 seconds)

• Chapter 71：Demodulation performance analysis of M-ary modulation system (49 minutes and 28 seconds)

• Chapter 72：Analysis of Bit Error Rate of M-ary System (47 minutes and 28 seconds)

• Chapter 73：Best reception of M-ary signals under AWGN (50 minutes and 45 seconds)

• Chapter 74：Best Receiver and MASK (47 minutes and 1 seconds)

• Chapter 75：binary modulation (29 minutes and 11 seconds)

• Chapter 76：Sampling theorem and scalar quantification (19 minutes and 55 seconds)

• Chapter 77：Quantify (41 minutes and 53 seconds)

• Chapter 78：pulse code modulation (48 minutes and 15 seconds)

• Chapter 79：Differential PCM and time division multiplexing (1 hours and 5 minutes and 41 seconds)

• Chapter 80：sampling theorem (50 minutes and 16 seconds)

• Chapter 81：Scalar quantization and uniform quantization (55 minutes and 3 seconds)

• Chapter 82：Optimal quantization and non-uniform quantization (51 minutes and 2 seconds)

• Chapter 83：Information source and equal length coding theorem (49 minutes and 54 seconds)

• Chapter 84：information entropy (31 minutes and 45 seconds)

• Chapter 85：Distortionless source coding (46 minutes and 34 seconds)

• Chapter 86：distortion limited source coding (37 minutes and 55 seconds)

• Chapter 87：Predictive coding (42 minutes and 32 seconds)

• Chapter 88：Introduction to basic knowledge of channels (16 minutes and 11 seconds)

• Chapter 89：Channel mathematical model and distortion-free transmission conditions (47 minutes and 1 seconds)

• Chapter 90：Introduction to basic knowledge of channel coding (43 minutes and 36 seconds)

• Chapter 91：Introduction to block code knowledge (47 minutes and 12 seconds)

• Chapter 92：Introduction to linear block codes and cyclic codes (47 minutes and 48 seconds)

• Chapter 93：Cyclic code encoding (46 minutes and 14 seconds)

• Chapter 94：cyclic code decoding (48 minutes and 51 seconds)

• Chapter 95：Cyclic code encoding and decoding circuit (47 minutes and 13 seconds)

• Chapter 96：Cyclic code summary and redundancy check (28 minutes and 30 seconds)

• Chapter 97：Introduction to convolutional codes (7 minutes and 56 seconds)

• Chapter 98：Convolutional code encoding (1 hours and 37 minutes and 40 seconds)

• Chapter 99：Convolutional code state representation diagram and introduction to convolutional code decoding (1 minutes and 8 seconds)

• Chapter 100：Viterbi decoding (43 minutes and 22 seconds)

• Chapter 101：convolutional code (38 minutes and 21 seconds)

• Chapter 102：Viterbi decoding (23 minutes and 34 seconds)

• Chapter 103：m sequence (18 minutes and 43 seconds)

• Chapter 104：Pseudo-random sequence and direct sequence spread spectrum (30 minutes and 27 seconds)

• Chapter 105：OFDM (16 minutes and 21 seconds)