ccsds 131.0-b-2

CCSDS RECOMMENDED STANDARD FOR TM SYNCHRONIZATION AND CHANNEL CODINGANNEX GEXPANSION OF REED-SOLOMON COEFFICIENTS(INFORMATIVE)Purpose:While the equations given in the Reed-Solomon Coding section of this RecommendedStandard are fully specifying, this annex provides additional assistance for thoseimplementing either the E = 16 or the E = 8 code.For E = 16:COEFFICIENTS OF g(x)POLYNOMIAL IN αα 7 α 6 α 5 α 4 α 3 α 2 α 1 α 0G 0 = G 32 = α 0 0 0 0 0 0 0 0 1G 1 = G 31 = α 249 0 1 0 1 1 0 1 1G 2 = G 30 = α 59 0 1 1 1 1 1 1 1G 3 = G 29 = α 66 0 1 0 1 0 1 1 0G 4 = G 28 = α 4 0 0 0 1 0 0 0 0G 5 = G 27 = α 43 0 0 0 1 1 1 1 0G 6 = G 26 = α 126 0 0 0 0 1 1 0 1G 7 = G 25 = α 251 1 1 1 0 1 0 1 1G 8 = G 24 = α 97 0 1 1 0 0 0 0 1G 9 = G 23 = α 30 1 0 1 0 0 1 0 1G 10 = G 22 = α 3 0 0 0 0 1 0 0 0G 11 = G 21 = α 213 0 0 1 0 1 0 1 0G 12 = G 20 = α 50 0 0 1 1 0 1 1 0G 13 = G 19 = α 66 0 1 0 1 0 1 1 0G 14 = G 18 = α 170 1 0 1 0 1 0 1 1G 15 = G 17 = α 5 0 0 1 0 0 0 0 0G 16 = α 24 0 1 1 1 0 0 0 1NOTE – G 3 = G 29 = G 13 = G 19.Further information, including encoder block diagrams, is provided in reference [E4].CCSDS 131.0-B-2 Page G-1 August 2011