Unified encoder embedded trellis router designs for decoding convolutional and turbo codes

IEICE Electronics Express

Cheng-Hung Lin¹  Tsung-Ju Hsieh¹ 

[1] Department of Electrical Engineering and Innovation Center for Big Data and Digital Convergence, Yuan Ze University

关键词: convolutional code;    turbo code;    multiple standards;   

DOI  :  10.1587/elex.14.20170028

学科分类：电子、光学、磁材料

来源: Denshi Jouhou Tsuushin Gakkai

【 摘 要 】

Communication systems usually adopted different encoding structures of convolutional codes (CCs) and turbo codes (TCs). This Letter proposes a unified encoder embedded trellis router (UEETR) to support various decoding of single-binary/double-binary (SB/DB) CC and TC encoding structures with a small hardware overhead. Furthermore, a low-latency UEETR and a hardware-shared radix-4 UEETR are explored to reduce initial setting time and to support radix-4 SB/DB CC and TC decoding, respectively. In addition, a flexible decoding kernel with a small area cost of proposed UEETR has been implemented by a 90-nm process.

【 授权许可】

CC BY