ECEG 470/670
Communication and Information Systems

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• Exams
• Homework Assignments
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Reading Assignments for Sept. 15–19 (9/12/2025)

• M: Subsection 4.4.1
• W: Section 4.5
• F: Section 4.5

Sunday and Monday Help Sessions (9/11/2025)

I will be available at the following times this coming Sunday and Monday:

• Sunday 9:00–10:00 pm (Zoom)
• Monday 5:00–6:00 pm (BRKI 368)

Additional times will be posted early next week.

HW #1 Revised (9/10/2025)

The expression for the switching waveform given in Graded Prob. 2 of HW #1 has been revised. The original expression incorrectly gave nonzero values for summation terms corresponding to even values of n.

A revised version of the assignment with the error corrected is now available on the Homework Assignments page.

HW #1 (9/8/2025)

The assignment for HW #1 is now available on the Homework Assignments page. It is due via a link at the course Moodle site at 11:59 pm on Monday, September 15. Please note the special instructions and hints at the beginning of the assignment; most of your homework assignments will have these.

Exam Schedule Confirmed (9/8/2025)

The exam schedule for the semester is now set at the following dates and times:

• Exam #1 - Monday, September 29, 9:00–9:50 am
• Exam #2 - Thursday, October 30, 8:00–9:50 am
• Exam #3 - Thursday, November 20, 8:00–9:50 am

The final exam time and date have been set by the university and will be 8:00–11:00 am on Thursday, December 18.

It might be possible to move the Oct. 30 and Nov. 20 exams to 2:00–3:50 pm or 3:00–4:50 pm.

If you become aware of a serious conflict with one or more of these dates, please let me know as soon as possible. With enough advance notice, we might be able to move an exam, but it is unlikely at this point.

The exam schedule will be available throughout the semester on the Exams page.

Help Sessions for Sept. 8–12 (9/8/2025)

I will be available at least at the following times this week:

• Monday 5:00–6:00 pm (BRKI 368)
• Wednesday 5:00–6:00 pm (BRKI 368)
• Wednesday 9:00–10:00 pm (Zoom)
• Thursday 2:30–3:30 pm (BRKI 368)

I am usually also available right after class.

Guidelines and additional information:

• Please contact me if you have a conflict with these times and would like to arrange a meeting at a different time.
• The Zoom link is available at the course Moodle site.
• If I am helping another student when you drop by, you may usually join in the conversation.
• If I have been helping you for a relatively long time, I might pause our conversation to help other students who are waiting for assistance.
• For in-person sessions, if I have finished helping you, please move out to the hall or somewhere else so that the chairs in my office are clear for newly arriving students.
• As a courtesy during Zoom sessions, please use your camera.

Reading Assignments for Sept. 8–12 (9/6/2025)

• M: Section 4.3
• W: Section 4.4
• F: Section 4.4

Help Sessions for Sept. 1–5 - UPDATE (9/3/2025)

I will be available to answer lab and homework questions and help with other issues at least at the following times this week. Note that some sessions are in person in my campus office and some are via Zoom:

• Wednesday, 5:00–6:00 pm (BRKI 368)
• Thursday, 10:00–11:00 pm (time change; Zoom)

I am usually also available right after class.

Guidelines and additional information:

• Please contact me if you have a conflict with these times and would like to arrange a meeting at a different time.
• The Zoom link is available at the course Moodle site.
• If I am helping another student when you drop by, you may usually join in the conversation.
• If I have been helping you for a relatively long time, I might pause our conversation to help other students who are waiting for assistance.
• For in-person sessions, if I have finished helping you, please move out to the hall or somewhere else so that the chairs in my office are clear for newly arriving students.
• As a courtesy during Zoom sessions, please use your camera.

Recitation: Thursdays at 9:00 am in Dana 305 (9/2/2025)

The ECEG 470/670 recitation hour will meet Thursdays 9:00–9:50 am during most of the semester in Dana 305, beginning this week (Thursday, Sept. 4). It might be moved to noon on those Thursdays when ECEG 350 exams are scheduled in the morning.

The recitation will not meet on Thursday, Sept. 25.

Reading Assignments for Sept. 1–5 (8/30/2025)

You should read the following sections in the textbook to prepare for this week's lectures.

• M: Sections 3.3.5, 4.1
• W: Section 4.2
• F: Section 4.3

Sec. 3.3.5 covers review material on the frequency-shifting property of the Fourier transform. We will not cover that section explicitly in the lectures, but I will assume that you are familiar with the material since it was covered in ECEG 270.