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Guray Acar

Researcher at European Space Research and Technology Centre

Publications -  8
Citations -  196

Guray Acar is an academic researcher from European Space Research and Technology Centre. The author has contributed to research in topics: Random access & Computer science. The author has an hindex of 3, co-authored 4 publications receiving 167 citations.

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Journal ArticleDOI

A survey of architectures and scenarios in satellite-based wireless sensor networks: system design aspects

TL;DR: Architectural aspects related to WSNs in some way connected with a satellite link are addressed, a topic that presents challenging interworking aspects and requirements of the most meaningful WSN applications have been drawn and matched to characteristics of various satellite/space systems.
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Asynchronous Contention Resolution Diversity ALOHA: Making CRDSA Truly Asynchronous

TL;DR: Asynchronous contention resolution diversity ALOHA (ACRDA) is described in detail, which represents the evolution of the CRDSA RA scheme and provides better throughput performance with reduced demodulator complexity and lower transmission latency than its predecessor while allowing truly asynchronous access to the shared medium.
Journal ArticleDOI

Multiple access in DVB‐RCS2 user uplinks

TL;DR: An analytical model for the DVB‐RCS2 RA load control algorithm is proposed followed by performance assessment via numerical computations and simulations.
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Towards the implementation of advanced random access schemes for satellite IoT

TL;DR: This paper investigates the design and optimization of RA burst demodulator algorithms for single‐frequency and multifrequency CRDSA and ACRDA and evaluates the performance of such algorithms in a number of system scenarios of practical interest and studies the impact of relevant system parameters on several performance metrics.
Proceedings ArticleDOI

HydRON: internet backbone beyond the cloud(s)

TL;DR: HydRON-DS represents the initial stage serving the purpose to gradually demonstrate key technologies required to deploy a first (all) optical transport network at terabit-per-second capacity in space and the seamless extension of terrestrial fibre-based networks into space.