Convolutional Encoding of Some Binary Quadratic Residue Codes

Chong-Dao Lee, Trieu-Kien Truong, Yan-Haw Chen
In this paper, the optimal convolutional encoding for the five quadratic residue (QR) codes are investigated. Simulation results show that the smallest constraint length K = 4 (respectively, K = 4, 8, 11, 14) is convolutionally encoded for the QR code with length 24 (respectively, 32, 48, 72, 80).