1. EE521 Analog and Digital Communications
James K. Beard, Ph. D.
Tuesday, March 15, 2005
March 15, 2005
Week 9

2. Attendance
March 15, 2005
Week 9

3. Essentials Text: Bernard Sklar, Digital Communications, Second Edition
SystemView
Office
E&A 349
Tuesday afternoons 3:30 PM to 4:30 PM & before class
MWF 10:30 AM to 11:30 AM
Next quiz March 22
Final Exam Scheduled
Tuesday, May 10, 6:00 PM to 8:00 PM
Here in this classroom
March 15, 2005
Week 9

4. Today’s Topics TBA SystemView and Term Projects
Discussion (as time permits)
March 15, 2005
Week 9

5. The Curve
March 15, 2005
Week 9

6. EE521 Quiz 1 Backup Curve
March 15, 2005
Week 9

7. Question 3 Computations
March 15, 2005
Week 9

8. Bit Error Performances
James K Beard, Ph.D.
March 15, 2005
Week 9

9. Bit Error Rate Definitions
Two types
Receive estimate of 1 when an 0 was transmitted
Receive estimate of 0 when a 1 was transmitted
Two scenarios
Coherent demodulation
Incoherent demodulation
Depends on modulation
BPSK
MPSK
FSK
March 15, 2005
Week 9

10. Bit Error Rates Sklar p. 219, From Haykin & Moher p. 159
March 15, 2005
Week 9

11. High SNR Bit Error Rates
March 15, 2005
Week 9

12. AWGN Bit Error Rates
March 15, 2005
Week 9

13. Rayleigh Fading Bit Error Rates
March 15, 2005
Week 9

14. M-Ary Coding Bit Error Rates
MFSK
MPSK
Coherent
Detection
March 15, 2005
Week 9

15. M-Ary Coding Bit Error Rates
MFSK
MPSK
Non-coherent
Detection
March 15, 2005
Week 9

16. Assignment
TBA
March 15, 2005
Week 9