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Table 4 Syndromes for alternative codes

From: Error-correcting properties of the SOLiD Exact Call Chemistry

Generator

Error

Position

   

Equivalence

 

type

p

c 1

c 2

c 3

c 4

c 5

p +

   

classes

10β 00

+ β

β 0

1α

1α

0β

0β

αα

0β

   

{c 5}

 

+ α

α 0

β 1

β 1

0α

0α

11

0α

   

{c 1,c 2}

 

+1

10

αβ

αβ

01

01

ββ

01

   

{c 3,c 4,p +}

1β 010

+ β

β 0

α 1

1α

1α

0β

11

0β

   

{c 1},{c 5}

 

+ α

α 0

1β

β 1

β 1

0α

ββ

0α

   

{c 2,c 3}

 

+1

10

βα

αβ

αβ

01

αα

01

   

{c 4,p +}

  1. All syndromes caused by a single error in a block of five code letters (c 1c 2c 3c 4c 5) and two parity letters (pp +) for codes with the specified generator. Each row corresponds to a specific type of error at the given position of the code word and the table entries are the values of the relevant elements of the syndrome corresponding to the upstream and downstream parity checks for the block for each error type. The error type +0 is not shown since it represents no error. The equivalence classes are listed separately and do not correspond to specific error types. Note that pis also p +for the preceding block.