Hi, I know RS code has a 't' parameter, but I don't know the last one in RS(544, 514, T=15, M=10). Can you tell me that? Thanks,

# What does 'M' mean in RS(544, 514, T=15, M=10)?

Started by ●October 28, 2018

Reply by ●October 28, 20182018-10-28

fl <rxjwg98@gmail.com> wrote:>I know RS code has a 't' parameter, but I don't know the last one in >RS(544, 514, T=15, M=10). > >Can you tell me that?Number of bits per symbol. In other words, this is a code over GF(2^10). Steve

Reply by ●October 29, 20182018-10-29

On Saturday, October 27, 2018 at 9:55:20 PM UTC-6, fl wrote:> Hi, > I know RS code has a 't' parameter, but I don't know the last one in > RS(544, 514, T=15, M=10). > > Can you tell me that? > > > Thanks,The codeword length N of an unshortened code is normally one less than the field size, 2**M-1, or 1023 for M=10, but in this case N=544 and the code is very shortened. It looks like you are researching the IEEE 802.3 KP4 Reed-Solomon code.