Real-time channel emulation for mobile communication test beds

J. Gozalvez, J.A.P. Pons, J. Dunlop, J. Irvine

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


This article describes a methodology to model in real-time the channel quality variations for mobile communication systems. This method was used to implement a GSM hardware test bed employed to demonstrate the improved perceived voice quality obtained with link adaptation. Real-time operation is achieved by use of a large error pattern database, derived for time varying channel models. The modular design of the demonstrator and the reusability of the database enable a relatively straightforward extension to conduct novel multi-channel link level investigations. The proposed methodology can be adapted for a range of radio interfaces.
Original languageEnglish
Pages (from-to)54-60
Number of pages6
JournalIEEE Wireless Communications
Issue number3
Publication statusPublished - 2007


  • radio interfaces
  • wireless communications
  • mobile communications
  • link adaptation
  • electrical systems


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