6.450 Class Home

6.450 Principles of Digital Communications I

Fall 2014

Instructor: Lizhong Zheng

TA: David Da Qiu

Lecture: MW9.30-11 (36-153)
Office hour (Lizhong): M2-4 (36-660)
Office hour (David): T2-4 (24-316)

Information:

Communication sources and channels; data compression; entropy and the AEP; Lempel-Ziv universal coding; scalar and vector quantization; L2 waveforms; signal space and its representation by sampling and other expansions; aliasing; the Nyquist criterion; PAM and QAM modulation; Gaussian noise and random processes; detection and optimal receivers; fading channels and wireless communication; introduction to communication system design.

Announcements

Graded quiz 3

Your quiz 3 are available to pick up in 36-660A this afternoon and Wednesday afternoon 1:00-3:30 PM. As usual, feel free to discuss the quiz and the course with us. Good luck on your other finals.

Announced on 16 December 2014 1:17 p.m. by David Da Qiu

Grades are on Stellar

Grades for all quizzes and psets should be viewable on Stellar now. Please let me know if you notice any discrepancy.

For quiz 3, mean = 10.75, SD = 4.5. Solutions are uploaded.

Announced on 12 December 2014 4:14 p.m. by David Da Qiu

PS 10

8.2, 8.3, 8.14, does not need to be handed in. Solution will be available next week.

Announced on 01 December 2014 11:43 a.m. by David Da Qiu

Course Evaluation

Class,

Please remember to spend a few minute to visit

http://web.mit.edu/subjectevaluation

to fill out the course evaluation form. The web site is open only until Dec. 15. And we would love to see your comments about the contents of this course, which can be very helpful for us to revise the course for the future semesters. I understand many of you have different backgrounds and purposes in taking the course, which makes it really helpful for us to know where people anticipate to use materials like this course in their careers. Each input is thus unique and highly valuable for us. So please take a few moment. Your help is reatly appreciated.

Best,

Lizhong

Announced on 01 December 2014 11:42 a.m. by Lizhong Zheng

PS 9

7.2, 7.7, 7.8, due next Wednesday in class.

Also, quiz solutions are posted. Mean = 11.4, SD = 4.

Announced on 19 November 2014 11:05 a.m. by David Da Qiu

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