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Forward error correction codes are commonly adopted in dual-hop relay communications, among which Luby transform (LT) codes are favorable because of their low-complexity decoder and rate adaptability to erasure channels. To alleviate the high computational cost in the primitive LT-based cooperative communications, hybrid decomposed LT (h-DLT) codes are proposed recently. By dispersing the computational...
Forward error correction codes are commonly adopted in dual-hop relay communications to ensure the link-layer communication reliability. Among all FEC codes, Luby Transform (LT) codes are favorable because of their low decoder complexity and rate adaptability to channel dynamic fading. To alleviate the high computation cost in the primitive LT-based cooperative communications, hybrid decomposed LT...
Forward error correction (FEC) is an effective means of reliable communications in wireless networks. Among all error-correcting codes, the recently developed fountain codes are known for their low complexity and rateless features. In the literature, fountain codes are mostly adopted in point-to-point communications. In this paper, we will investigate decomposed fountain codes for distributed dual-hop...
Due to the long propagation delay inherent in underwater acoustic transmissions, forward error correction (FEC) is a preferable technique for end-to-end reliability control in relay-aided underwater acoustic communications (RA-UAC). Among all error-correcting codes, rateless fountain codes, such as Luby Transform (LT) codes, are attractive for their low computational complexity and rate adaptability...
Underwater acoustic sensor networks (UASN) can enable many potential oceanic applications. For the environment monitoring and event detection services, the sensor networks will record a large amount of data. But due to the harsh sea conditions and node energy constraints, real-time data delivery to the ground data center may not be feasible. Thus in-network data storage becomes a possible alternative...
The unique features of underwater environments and recent advances in storage devices render data-centric storage (DCS) a promising solution for underwater acoustic sensor networks (UASN). However, existing DCS protocols were designed for terrestrial environments and face new challenges underwater: the well-known doubly selective channel limits the data rate while inducing high communication cost,...
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