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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Coders/Decoders >
   Puncturer (PUNC)       

Puncturer (PUNC)

 

 


Property

Description

Units

Default

Range/Type

N

Puncturing period

None

4

[1, Inf)/integer

RIN1

Input impedance

Ohm

Inf

(0, Inf]/Real

RIN2

Input impedance

Ohm

Inf

(0, Inf]/Real

ROUT

output Impedance

Ohm

0

[0, Inf)/Real

Ports

Input1

Received signal before puncturing (real)

Input2

Puncturing pattern (integer)

Output

The signal after puncturing (real)

 

Notes

1. This model can be used to increase coding rate by employing “puncturing”. Puncturing is a procedure for deleting some of the encoded bits at the output of a convolutional encoder.

2. Puncturing pattern is a N-bit sequence with taking the value 1 or 0. When the value is 1, the corresponding output of a convolutional encoder is transmitted. When the value is 0, the corre­sponding output of a convolutional encoder is deleted.

Netlist Form

PUNC:NAME n1 n2 n3 N=val [RIN1=val] [RIN2=val] [ROUT=val]

Netlist Example

PUNC:1 1 2 3 N=6

References

1. J. G. Proakis, Digital Communications, McGraw-Hill, 2001.



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