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- W1987472519 abstract "In this paper we consider cognitive radio systems with automatic repeat request (ARQ)-based error control and propose a throughput-maximizing transmission strategy at the cognitive transmitter which takes advantage of opportunities that arise during ARQ retransmissions. In particular, we present a cross-layer approach to link adaptation design which integrates adaptive modulation and coding (AMC) at the physical layer with packet retransmission at the data-link layer. In this formulation, the cognitive throughput performance is maximized subject to (i) a packet-loss-rate (PLR) constraint at the cognitive link, and (ii) a minimum required throughput and a PLR constraint at the primary link. The results indicate that the maximum cognitive throughput is determined based on a tradeoff between the primary PLR and delay requirements." @default.
- W1987472519 created "2016-06-24" @default.
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- W1987472519 date "2012-11-01" @default.
- W1987472519 modified "2023-09-27" @default.
- W1987472519 title "Link adaptation in retransmission-based cognitive radio systems" @default.
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- W1987472519 doi "https://doi.org/10.1109/istel.2012.6482975" @default.
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