Performance analysis of multi-hop framed ALOHA systems with virtual antenna arrays (Articolo in rivista)

Type
Label
  • Performance analysis of multi-hop framed ALOHA systems with virtual antenna arrays (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1186/1687-1499-2013-118 (literal)
Alternative label
  • C. Buratti, A. Zanella R. Verdone (2013)
    Performance analysis of multi-hop framed ALOHA systems with virtual antenna arrays
    in EURASIP Journal on wireless communications and networking; Springer Publishing Company, Union, NJ (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • C. Buratti, A. Zanella R. Verdone (literal)
Pagina inizio
  • 1 (literal)
Pagina fine
  • 11 (literal)
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  • 2013 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 11 (literal)
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  • 1 (literal)
Note
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • C. Buratti, DEI, University of Bologna A. Zanella, CNR IEIIT R. Verdone, DEI, University of Bologna (literal)
Titolo
  • Performance analysis of multi-hop framed ALOHA systems with virtual antenna arrays (literal)
Abstract
  • We consider a multi-hop virtual multiple-input-multiple-output system, which uses the framed ALOHA technique to select the radio resource at each hop. In this scenario, the source, destination and relaying nodes cooperate with neighboring devices to exploit spatial diversity by means of the concept of virtual antenna array. We investigate both the optimum number of slots per frame in the slotted structure and once the source-destination distance is fixed, the impact of the number of hops on the system performance. A comparison with deterministic, centralized re-use strategies is also presented. Outage probability, average throughput, and energy efficiency are the metrics used to evaluate the performance. Two approximated mathematical expressions are given for the outage probability, which represent lower bounds for the exact metric derived in the paper. (literal)
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