arq protocols in cognitive decode-and-forward relay networks: opportunities gain

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ID: 233729
2015
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Ranked #52 of 100 articles by views in molecular therapy : the journal of the american society of gene therapy

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Abstract
In this paper, two novel automatic-repeat-request (ARQ) based protocols were proposed, which exploit coop- eration opportunity inherent in secondary retransmission to create access opportunities. If the signal was not decoded correctly in destination, another user can be acted as a relay to reduce retransmission rounds by relaying the signal. For comparison, we also propose a Direct ARQ Protocol. Specif- ically, we derive the exact closed-form outage probability of three protocols, which provides an effective means to evalu- ate the effects of several parameters. Moreover, we propose a new metric to evaluate the performance improvement for cognitive networks. Finally, Monte Carlo simulations were presented to validate the theory analysis, and a comparison is made among the three protocols.
Reference Key
zhang2015radioengineeringarq Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Zongsheng Zhang;Qihui Wu;Jinlong Wang
Journal molecular therapy : the journal of the american society of gene therapy
Year 2015
DOI
DOI not found
URL
http://www.radioeng.cz/fulltexts/2015/15_01_0296_0304.pdf
Keywords
outage probability electronics nuclear engineering

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