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Outage Performance of Cross-Packet HARQ by Feng, Jiahui; Shi, Zheng; Yang, Guanghua; Miridakis, Nikolaos I.; Ma, Shaodan; Tsiftsis, Theodoros A. is a scholarly article available to read on EtoBox.

What is Outage Performance of Cross-Packet HARQ about?

As opposed to hybrid automatic repeat request with incremental redundancy (HARQ-IR) that all the resources are occupied to resend the redundant information, cross-packet HARQ (XP-HARQ) allows the introduction of new information into retransmissions to substantially exploit the remaining resources. This letter provides a profound investigation into the outage performance of XP-HARQ. In particular, the exact outage expression of XP-HARQ is derived if the maximum number of transmissions is two, and tight outage bounds are obtained for more than two transmissions. Moreover, the asymptotic outage analysis of XP-HARQ in the high signal-to-noise ratio (SNR) regime is carried out not only to simplify the outage expression, but also to show that full time diversity is achievable by XP-HARQ. The simulation results are eventually presented for verifications.

Author

Feng, Jiahui; Shi, Zheng; Yang, Guanghua; Miridakis, Nikolaos I.; Ma, Shaodan; Tsiftsis, Theodoros A.

Published

2022

Language

EN