Crc & polynomial, Crc (1 ) – Wavecom W-BitView V2.5.00 User Manual
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Function Library
BitView Manual V2.5.00 WAVECOM W-BV
Parameter
Description
Value
Length of data
(k)
Number of data symbols in a code word, where the number of data
bits (k) is less than the total number of bits (k), i.e., k < n
Number of parity
symbols
Number of parity symbols in a code word (n-k)
Output with Pari-
ty Symbols
Specifies if parity symbols should be included in the output
Yes, No
Position of Parity
Symbols
Specifies if parity symbols are leading or trailing the code word
End of code word,
Beginning of code
word
Primitive poly-
nomial
Encoding polynomial
Select from drop-
down list
Root for genera-
tor polynomial
Root for generator polynomial. See parameter help desk for further
explanation
The results of the analysis are displayed in the Calculation category in the Properties window. The table
below lists the calculated parameters.
Parameter
Description
Frames with corrected errors
Number of frames with correctable errors
Frames with decoding failures
Number of frames with decoding errors
Frames without errors
Number of frames without errors
m (bits per symbol)
Number of bits per symbol (m)
n (max. length of code word)
Maximum number of symbols per code word. N is derived from the selected
primitive polynomial
Number of decoded frames
Number of decoded frames
CRC & Polynomial
CRC (1..32)
In: Bit stream
Out: Bit stream
Function:
Calculate the cyclic redundancy checksum (CRC) value of the input bit stream according to the settings
described below.