A novel hybrid ARQ scheme using turbo codes and diversity combining期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

A novel hybrid ARQ scheme using turbo codes and diversity combining

Authors:	Richard Demo Souza,André Gustavo Degraf Uchô a,Marcelo Eduardo Pellenz

Affiliation:	1. Federal University of Technology – Paraná (CPGEI/UTFPR), Av. Sete de Setembro 3165, CEP 80230-901 Curitiba, PR, Brazil;2. Pontifical Catholic University of Paraná (PUC-PR), Rua Imaculada Conceição 1155, 80215-901 Curitiba, PR, Brazil

Abstract:	A novel HARQ scheme using turbo codes is proposed. The method jointly utilizes diversity combining, partial retransmission, and power scaling. Computer simulations and density evolution analysis show that the new method outperforms equal gain diversity combining and soft information combining techniques for a wide E_b/N₀ $E_{b} / N_{0}$ range.

Keywords:	Turbo codes Error correction codes Automatic repeat request (ARQ) Hybrid automatic repeat request (HARQ) Packet combining
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