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Table 1 Comparison of Symbol Mapping for 4PPM and 4DPPM.

From: Error Probability of DPPM UWB Systems over Nakagami Fading Channels with Receive Diversity

4PPM

4DPPM

 

Symbol

Length

Symbol

Length

0

1000

4

1

1

1

0100

4

01

2

2

0010

4

001

3

3

0001

4

0001

4