Multi-layer broadcasting hybrid-ARQ strategies for block fading channels

  title={Multi-layer broadcasting hybrid-ARQ strategies for block fading channels},
  author={Avi Steiner and Shlomo Shamai},
  journal={IEEE Transactions on Wireless Communications},
Conventional hybrid automatic retransmission request (HARQ) is usually used to maximize throughput. However, high throughput is achieved at the expense of high latency. We study a novel broadcasting HARQ strategy. The multi-layer broadcast approach is suitable for the case where transmitter has no channel state information (CSI), which is the case with HARQ schemes as well. The broadcast approach enables the receiver to decode rates, which are matched to every fading gain realization. That is… CONTINUE READING
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