Large system error probability of multiuser decision feedback receivers

R. Ratasuk*, Michael L Honig

*Corresponding author for this work

Research output: Contribution to journalConference article

3 Scopus citations

Abstract

The large system limits of the probability of error for multiuser Decision Feedback Detectors (DFDs) are evaluated for synchronous CDMA. Both Successive (S-) and Parallel (P-) DFDs are considered, where the filters are optimized according to the Minimum Mean Squared Error (MMSE) criterion. A comparison of the analytical results with simulation shows that the large system results accurately predict the performance of systems with spreading gain ≥ 128 over a wide range of error rates. The results also show that the P-DFD error rate approaches the single-user bound at high Signal-to-Noise-Ratios (SNRs).

Original languageEnglish (US)
Number of pages1
JournalIEEE International Symposium on Information Theory - Proceedings
StatePublished - Dec 1 2000
Event2000 IEEE International Symposium on Information Theory - Serrento, Italy
Duration: Jun 25 2000Jun 30 2000

ASJC Scopus subject areas

  • Theoretical Computer Science
  • Information Systems
  • Modeling and Simulation
  • Applied Mathematics

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