Asynchronous random access protocols have become attractive for several satellite applications of interest, reducing the complexity at the transmitter side while granting good performance. These schemes typically follow two paradigms, using either (i) spread spectrum techniques or (ii) replication of the transmitted packets to achieve time diversity. In both cases, the receiver employs successive interference cancellation to resolve collisions. In this paper we offer a comparison of the two approaches in a narrowband scenario, discussing the relevant use case of the upcoming ITU VDES standard for maritime communications.
IoT via Satellite: Asynchronous Random Access for the Maritime Channel
2020-05-01
217118 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
ON DECODING STRATEGIES FOR SATELLITE UPLINK ASYNCHRONOUS RANDOM
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