Interference suppression for the LTE uplink

Mehmet Bahadir Çelebi, Ismail Güvenç, Hüseyin Arslan, Khalid Qaraqe

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Interference cancellation is expected to have significant importance for next-generation wireless communication systems due to various co-channel deployment scenarios and denser frequency reuse. In this study, an interference cancellation receiver that exploits the unique characteristics of single-carrier frequency-division multiple access based systems is proposed. The proposed receiver suppresses the co-channel dominant interference by blanking frequency-domain samples where the desired and interfering signals overlap. In order to improve the performance, demodulation and regeneration stages can be introduced and repeated multiple times. Further enhancement is possible by initially accommodating a group of reliable symbols before the iterations. The simulation results indicate that proposed methods work particularly well for low overlap ratios compared to interference coordination and no cancellation schemes.

Original languageEnglish
Pages (from-to)23-44
Number of pages22
JournalPhysical Communication
Volume9
DOIs
Publication statusPublished - 2013

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Keywords

  • Inter-symbol interference
  • Iterative interference cancellation
  • Likelihood test
  • LTE uplink
  • Narrowband dominant interference
  • Raised cosine windowing/blanking
  • SC-FDE/SC-FDMA

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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