Delay and coding gain analysis of a truncated type-II hybrid ARQ protocol

TitleDelay and coding gain analysis of a truncated type-II hybrid ARQ protocol
Publication TypeJournal Article
Year of Publication1993
AuthorsYang, Q., and V. K. Bhargava
JournalVehicular Technology, IEEE Transactions on
Volume42
Pagination22 -32
Date Publishedfeb.
ISSN0018-9545
Keywordsbounded delay, bounded queue length, coding gain analysis, digital radio systems, error correction, error correction codes, mobile applications, mobile radio systems, normalized Nakagami-m fading channel, parity bits, protocols, queueing theory, rate 1/2 error correcting codes, time delay analysis, truncated protocol, type-II hybrid ARQ protocol
Abstract

Time delay of a truncated type-II hybrid ARQ protocol with one retransmission is analyzed by using queueing theory. The truncated protocol uses rate 1/2 error correcting codes. Parity bits for error correction are transmitted only when they are needed. It is shown that the truncated type-II hybrid protocol has a bounded delay and bounded queue length under typical communication traffic conditions. The error performance of the truncated protocol is further analyzed for a normalized Nakagami-m fading channel and compared with the performance of a conventional (untruncated) protocol. The results show that the truncated protocol provides coding gain improvement over the untruncated type-II hybrid ARQ protocol. Thus, it is suggested that the truncated protocol is best suited to power- and delay-limited mobile applications

URLhttp://dx.doi.org/10.1109/25.192383
DOI10.1109/25.192383

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