Channel Estimation for OCI Mitigation in Mobile WiMAX Systems

모바일 와이맥스 시스템에서 인접 셀 간섭 완화를 위한 채널 추정

  • Kim, Cheong-Hwan (School of Electrical Engineering and INMC Seoul National University) ;
  • Ban, Dae-Seung (School of Electrical Engineering and INMC Seoul National University) ;
  • Lee, Yong-Hwan (School of Electrical Engineering and INMC Seoul National University)
  • 김정환 (서울대학교 전기컴퓨터공학부) ;
  • 반대승 (서울대학교 전기컴퓨터공학부) ;
  • 이용환 (서울대학교 전기컴퓨터공학부)
  • Published : 2008.06.18

Abstract

In orthogonal frequency division multiplexing based wireless system, a pilot signal is often employed to estimate channel state information (CSI). However, the received pilot signal is interfered by other cell interference in multi-cell environments. We consider the estimation of CSI by utilizing orthogonal preambles and channel correlation.

Keywords