Low-complexity iterative detection for overloaded uplink multiuser MIMO OFDM system

Min Chen*, Alister G. Burr

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, an iterative interference cancellation multiuser detection (MUD) method is proposed for overloaded multiple-input multiple-output (MIMO) coded orthogonal frequency division multiplexing (OFDM) systems. In the first iteration, the low complexity RAKE reception is employed, and a successive interference cancellation (SIC)-based approach is used to choose the stronger user. In each iteration, the soft output of the convolutional decoder is fed back to improve the performance of the parallel interference cancellation (PIC). The simulation results show that, this technique can achieve near-optimum bit error rate (BER) performance at low SNR, with lower complexity than optimum maximum likelihood (ML) methods.

Original languageEnglish
Title of host publication2012 16th International ITG Workshop on Smart Antennas, WSA 2012
Pages338-342
Number of pages5
DOIs
Publication statusPublished - 7 May 2012
Event2012 16th International ITG Workshop on Smart Antennas, WSA 2012 - Dresden, United Kingdom
Duration: 7 Mar 20128 Mar 2012

Conference

Conference2012 16th International ITG Workshop on Smart Antennas, WSA 2012
Country/TerritoryUnited Kingdom
CityDresden
Period7/03/128/03/12

Keywords

  • MIMO
  • MUD
  • OFDM
  • PIC
  • RAKE

Cite this