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Communication Dans Un Congrès Année : 2018

Multi-Packet HARQ with Delayed Feedback

Résumé

In current wireless communication systems, the feedback required by the Hybrid Automatic ReQuest (HARQ) mechanism is received with some delay at the transmitter side. To alleviate this issue, parallel Stop-and-Wait HARQ is usually employed. In this paper, we propose a multi-packet HARQ protocol (also called superposition coding or multi-layer HARQ) to improve the user's delay distribution and increase the throughput, without any additional feedback such as Channel State Information. The performance analysis, provided from an information-theoretic point-of-view, shows that the proposed protocol offers better delay distribution, higher throughput and lower message error rate compared to the conventional parallel Stop-and-Wait HARQ, at the expense of increased decoding complexity.
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Dates et versions

hal-01825017 , version 1 (27-04-2020)

Identifiants

Citer

Alaa Khreis, Philippe Ciblat, Francesca Bassi, Pierre Duhamel. Multi-Packet HARQ with Delayed Feedback. 29th Annual International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC 2018), Sep 2018, Bologne, Italy. ⟨10.1109/PIMRC.2018.8580804⟩. ⟨hal-01825017⟩
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