Introduction to Communication Systems

ELEN E3701

 

Spring 2008

 

 

May  09   2008

Solutions to old finals have been uploaded

May  08   2008

Graded HW8-HW11 can be picked up from the front desk at EE department office 1300 S.W. Mudd

May 08   2008

HELLO TO EVERYONE

 

I AM STILL IN COPENHAGEN.

 

I HOPE THAT YOU HAVE SEEN THE OLD FINALS ON THE WEBSITE.

 

WE WILL PUT THE SOLUTIONS ON THE WEBSITE WITHIN THE NEXT DAY OR TWO.

 

AGAIN I WILL BE BACK IN THE STATES THIS COMING SUNDAY EVENING. 

 

FROM SUNDAY ON, YOU MAY REACH ME AT MY CELLULAR NUMBER

 

347 602 0162.

 

IF YOU HAVE A QUESTION, YOU MAY LEAVE A MESSAGE AND I WILL CALL YOU IN THE EVENING.

 

I WILL BE IN CELL PHONE CONTACT WITH THE ASSISTANT DURING THE EXAM IF YOU HAVE ANY QUESTIONS.

 

AGAIN GOOD LUCK ON THE EXAM AND HAVE A NICE SUMMER!!!

 

KALET

 

May  06   2008

Solutions to problem set 8-10 have been uploaded

April  28 2008

2006’s and 2007’s final exams have been uploaded

April  21 2008

Solution to problem SET 7 has been uploaded. Problem set 11 has been uploaded.  

April  10 2008

Solution to problem SET 6 has been uploaded 

March 30 2008

PROBLEM SET 9 and 10 HAVE BEEN UPLOADED 

March.25 2008

PROBLEM SET 6 is due today

PROBLEM SET 8 HAS BEEN UPLOADED 

March.12 2008

THERE WILL BE A REVIEW CLASS FOR THE MIDTERM, TODAY, WEDNESDAY, MARCH 12 FROM
4 PM- 5 PM, IN ROOM 833 MUDD

PLEASE LET ALL YOUR FRIENDS KNOW ABOUT THIS

March 12 2008

Solution to HW5 has been uploaded

March.10 2008

THIS THURSDAY, MARCH 13-MIDTERM EXAM DURING REGULAR CLASS PERIOD

IT IS AN OPEN BOOK AND OPEN COMPUTER EXAM

THE EXAM WILL COVER THE TOPIC OF ANALOG MODULATON

GOOD LUCK !!

March 10, 2008

Solution to problem set 4 has been uploaded.

March.3 2008

Solution to problem set 3 has been uploaded.

March.1 2008

Last year’s midterm has been uploaded 

Feb.26 2008

Solution to problem set 2 has been uploaded. Problem set 4 is due today.

Feb.11 2008

PROBLEM SET 4 and 5 HAVE BEEN UPLOADED

Problem set 2 is due tomorrow (Feb. 12), please drop your answer into Kai Yang’s metal mail box (F5) in EE student lounge. 

Feb.4   2008

Professor Kalet’s new office is MUDD 1243

Feb.4   2008

PROBLEM SET 3 HAS BEEN UPLOADED

Feb.4   2008

Problem set 1 is due tomorrow (Feb. 5), please drop your answer into Kai Yang’s metal mail box (F5) in EE student lounge. 

Jan. 29 2008

PROBLEM SET 2 HAS BEEN UPLOADED

Jan. 24 2008

PROBLEM SET 1 HAS BEEN UPLOADED

Jan. 24, 2008

 

HELLO TO EVERYONE!

KAI YANG, THE COURSE ASSISTANT, HAS SET UP THE WEBSITE.
PLEASE LOOK AT IT A FEW TIMES A WEEK TO SEE IF THERE IS ANYTHING NEW ON THE SITE.

AGAIN I WELCOME EVERYONE TO THE COURSE. I HOPE THAT YOU WILL ENJOY THE COURSE AS MUCH AS A COURSE WITH HOMEWORKS CAN BE ENJOYED!!!

GOOD LUCK!

KALET

 

 

 


 

1.     Professor I. Kalet

1.     kalet@ee.columbia.edu

2.     kalet@actcom.co.il

3.     718-601-3715

4.     Mudd 1243

5.     Office Hours: 

Tuesday- 11:00 AM-12: 00 PM
     Thursday-
11:00 AM -12:00 PM

2.     TA:  Kai Yang

1.     ky2123@columbia.edu

2.     CEPSR 908

3.     Office Hours: 

Wednesday- 4:30 PM – 5:30 PM

     Friday- 4:30PM – 5:30 PM



Class will meet:

Tuesdays and Thursdays

4:10 – 5:25 PM

Mudd 1127

 

  1. Syllabus
  2. Figures
  3. Bessel functions
  4. Old midterm
  5. Solution to 2006 midterm
  6. Solution to 2007 midterm
  7. Old finals
  8. Solutions to old finals

 

This course is an introduction to analog and digital communications. We will first discuss the topic of analog communications, including well-know modulations such as, AM, DSB, SSB VSB and FM. Then we will introduce the concept of the Nyquist Sampling Theorem, and use this concept to show how we can convert analog signals into digital signals. We will then describe the digital modulation and coding techniques, which are gradually replacing analog communications, throughout the world. We will conclude the course with a discussion of Shannon’s Information Theory, which is the basis for all of the advancements in communications in the second half of the twentieth century and the beginning of the twenty-first century.

 


 

Problem Sets

Set 1:  Due Tuesday, February 5, 2008

Problems

Solutions

Set 2:  Due Tuesday, February 12, 2008

Problems

Solutions

Set 3:  Due Tuesday, February 19, 2008

Problems

Solutions

Set 4:  Due Tuesday, February 26, 2008

Problems

Solutions

Set 5:  Due Tuesday, March    18, 2008

Problems

Solutions

Set 6:  Due Tuesday, March    25, 2008

Problems

Solutions

Set 7:  Due Tuesday, April       1, 2008

Problems

Solutions

Set 8:   Due Tuesday, April      8, 2008

Problems

Solutions

Set 9:   Due Tuesday, April      15, 2008

Problems

Solutions

Set 10: Due Tuesday, April      23, 2008

Problems

Solutions

Set 11: Due Tuesday, April      23, 2008

Problems

Solutions