Low Latency Parallel Turbo Decoding Implementation for Future Terrestrial Broadcasting Systems - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue IEEE Transactions on Broadcasting Année : 2017

Low Latency Parallel Turbo Decoding Implementation for Future Terrestrial Broadcasting Systems

Hua Luo
  • Fonction : Auteur
Yue Zhang
  • Fonction : Auteur
Wei Li
  • Fonction : Auteur
Li-Ke Huang
  • Fonction : Auteur
John Cosmas
  • Fonction : Auteur
Dayou Li
  • Fonction : Auteur
Carsten Maple
  • Fonction : Auteur
Xun Zhang

Résumé

As a class of high-performance forward error correction codes, turbo codes, which can approach the chan- nel capacity, could become a candidate of the coding methods in future terrestrial broadcasting (TB) systems. Among all the demands of future TB system, high throughput and low latency are two basic requirements that need to be met. Parallel turbo decoding is a very effective method to reduce the latency and improve the throughput in the decoding stage. In this paper, a parallel turbo decoder is designed and implemented in field- programmable gate array (FPGA). A reverse address generator is proposed to reduce the complexity of interleaver and also the iteration time. A practical method of modulo operation is realized in FPGA which can save computing resources com- pared with using division operation. The latency of parallel turbo decoder after implementation can be as low as 23.2 us at a clock rate of 250 MHz and the throughput can reach up to 6.92 Gbps.
Fichier principal
Vignette du fichier
WRAP-Low-latency-parallel-turbo-decoding-terrestrial-Maple-2017.pdf (1.11 Mo) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-02615400 , version 1 (12-06-2020)

Identifiants

Citer

Hua Luo, Yue Zhang, Wei Li, Li-Ke Huang, John Cosmas, et al.. Low Latency Parallel Turbo Decoding Implementation for Future Terrestrial Broadcasting Systems. IEEE Transactions on Broadcasting, 2017, ⟨10.1109/TBC.2017.2704425⟩. ⟨hal-02615400⟩

Collections

ISEP
60 Consultations
127 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More