Nonlinear limit of alternative method to 2 x 2 MIMO for LTE RoF system

T. Kanesan, Sujan Rajbhandari, E. Giacoumidis, I. Aldaya

Research output: Contribution to journalArticle

6 Citations (Scopus)
14 Downloads (Pure)

Abstract

Owing to the limited cell size of eNodeB (eNB), the relay node has emerged as an attractive solution for the long-term evolution (LTE) system. The nonlinear limit of the alternative method to multiple-input and multiple-output (MIMO) based on frequency division multiplexing (FDM) for orthogonal FDM (OFDM) is analysed over varying transmission spans. In this reported work, it is shown that the degradation pattern over the linear, intermixing and nonlinear propagation regions is consistent for the 2 and the 2.6 GHz bands. The proposed bands experienced a linear increase in the error vector magnitude (EVM) for both the linear and the nonlinear regions proportional to the increasing transmission spans. In addition, an optical launch power between -2 and 2 dBm achieved a significantly lower EVM than the LTE limit of 8% for the 10-60 km spans.
Original languageEnglish
Pages (from-to)300-301
JournalElectronics Letters
Volume50
Issue number4
DOIs
Publication statusPublished - 27 Feb 2014

Bibliographical note

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Keywords

  • Long Term Evolution
  • MIMO communication
  • OFDM modulation
  • radio-over-fibre
  • relay networks (telecommunication)
  • 2 × 2 MIMO
  • LTE RoF system
  • Long-Term Evolution system
  • degradation pattern
  • eNodeB
  • error vector magnitude
  • frequency 2 GHz
  • frequency 2.6 GHz
  • frequency division multiplexing
  • intermixing propagation regions
  • linear propagation regions
  • multiple-input and multiple-output system
  • nonlinear propagation regions
  • optical launch power
  • orthogonal FDM
  • relay node

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