Chapter 7 Binary Receivers

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Chapter 7 Binary Receivers Colored Noise and Matched Filter Reception Performance of Baseband Unipolar Signaling Performance of Baseband Polar Signaling Performance of Baseband Bipolar Systems Huseyin Bilgekul EEE 461 Communication Systems II Department of Electrical and Electronic Engineering Eastern Mediterranean University

Homework Assignments Return date: 20-12-2005 Assignments: Problem 7-1

Matched Filter Receiver for Colored Noise Evaluate BER for colored noise. Prewhitening Filter is inserted ahead of the receiver. Transfer function of the prewhitening filter is. The following receiver can now be designed for white noise. White Noise

Receiver of Baseband Unipolar Signaling

Performance of Baseband Unipolar Signaling

Receiver of Baseband Polar Signaling

Performance of Baseband Polar Signaling Polar signaling has 3 dB advantage over unipolar signaling. For the same Pe, unipolar signaling requires 3 dB more power.

Performance of Baseband Polar Signaling

Performance of Baseband Bipolar Signaling

Performance of Baseband Bipolar Signaling Binary 1’s are represented by alternating positive and negative values. s1(t) = ±A, 0 < t < T (Binary 1) s2(t) = 0, 0 < t < T (Binary 0) 1 1 1 0 0 1 1 fr|m fr(r|0) fr(r|-1) fr(r|1) -VT VT

Performance of Baseband Bipolar Signaling

Performance of Baseband Bipolar Signaling Blue-bipolar Green- unipolar (on/off) Red – bipolar AMI

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