A new quasiquadratic residue matrix code
D. C. Voukalis, D. NISIDIS, C. N. Koutsogeorgis · International Journal of Electronics · 1985
The paper presents a new practical method of achieving a dramatic reduction in the size of protocols, to increase transmission rates. The method uses a new code subjected to matrix type-B code, called concatenated quasiquadratic or semi-quadratic residue (SQR) matrix code.