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The AWGN Channel: BPSK‐Example

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(1)

Blackboard Notes

The AWGN Channel: BPSK‐Example

Saunders

(2)

The AWGN Channel: BPSK‐Example

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 135

(3)

Blackboard Notes

The AWGN Channel: BPSK‐Example

Saunders

(4)

The AWGN Channel: BPSK‐Example

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 137

(5)

The AWGN Channel: BER over Es/N0 for BPSK

Saunders

• rapid decrease of BER with increasing SNR is

characteristic for AWGN channel

• approximately 10 for each 1 dB SNR

increase

• decrease is the fastest for uncoded modulation in

wireless channel

• Thus, AWGN is a

“best case” channel

• We will compare fading fading

channels discussed soon against this figure

Image source: Saunders & Aragón-Zavala, Antennas and Propagation for Wireless Communication Systems, 2ndedition, Wiley, page 213

(6)

The Narrow Band Fading Channel in General

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 139

(7)

Blackboard Notes

The Narrow Band Fading Channel in General

Saunders

(8)

The Narrow Band Fading Channel in General

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 141

(9)

Blackboard Notes

Rayleigh Fading Model

(10)

Rayleigh Fading Model

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 143

(11)

Blackboard Notes

Rayleigh Fading Model: Example Plot

Saunders

Image source: Saunders & Aragón-Zavala, Antennas and Propagation for Wireless Communication Systems, 2ndedition, Wiley, page 213

(12)

Rayleigh Fading Model

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 145

(13)

Blackboard Notes

Rayleigh Fading Model: Rayleigh Distribution

Saunders

(14)

Rayleigh Fading Model: Rayleigh Distribution

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 147

Image source: Saunders & Aragón-Zavala, Antennas and Propagation for Wireless Communication Systems, 2ndedition, Wiley, page 213

(15)

Blackboard Notes

Rayleigh Fading Model: Distribution of the SNR

Saunders

(16)

Rayleigh Fading Model: Distribution of the SNR

WS 18/19 Drahtlose Kommunikation - Technische Grundlagen 149

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