{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

20092ee132A_1_hwk6_sol

# 20092ee132A_1_hwk6_sol - EE132A Spring 2009 Communication...

This preview shows pages 1–3. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: EE132A, Spring 2009 Communication Systems Prof. John Villasenor Handout# 19 TAs: Pooya Monajemi and Erica Han Homework 6 Solutions 1. (a) The time domain expression for the signal space is given by: 2 ( ) cos 2 ( 1) 1 8 4 i c E s t f t i t T i T π π = − − , ≤ ≤ , = , , L Or equivalently, 2 ( ) cos ( 1) cos2 sin ( 1) sin 2 4 4 1 8 i c c E s t i f t i f t T t T i π π π π = − + − , ≤ ≤ , = , , L (b) Considering the nearest neighbors only, the distance between any two adjacent symbols is given by 2 sin 8 d E π = as shown in Figure 1. Figure 1. Distance between symbols for 8-PSK signal constellation Then the probability of symbol error is erfc 2 erfc sin 8 2 2 sin 8 E d P N E N E Q N π π ≈ = = For 8-PSK constellations, each symbol consists of 3 bits. Then, For 8-PSK constellations, each symbol consists of 3 bits....
View Full Document

{[ snackBarMessage ]}

### Page1 / 5

20092ee132A_1_hwk6_sol - EE132A Spring 2009 Communication...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online