Download in PDF format

Please use the URL below to download this document in PDF

 http://www.comelec.enst.fr/~boutros/coding/Qtheta_large_n_anyR.pdf

Figure 5: Reed-Solomon $(255,239)_{256}$ concatenated with a Turbo trellis coded 128-QAM versus optimal spherical codes of finite length. Information rate is 2.34 bits per dimension.