An investigation of the spatial correlation influence on coded MIMO-OFDM system

  • Authors:

  • Nga Nguyen;Bach Tran;Quoc Khuong Nguyen;Van Duc Nguyen;Byeungwoo Jeon

  • Affiliations:

  • Hanoi University of Science and Technology, Vietnam;Hanoi University of Science and Technology, Vietnam;Hanoi University of Science and Technology, Vietnam;Hanoi University of Science and Technology, Vietnam;Sungkyunkwan University, Suwon, Korea

  • Venue:
  • Proceedings of the 8th International Conference on Ubiquitous Information Management and Communication
  • Year:
  • 2014

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Abstract

In this paper, we investigate the performance of a number of spatial channel coding techniques, space time block coding (STBC), vertical-Bell Laboratories layered space-time (V-BLAST) coding, space-frequency block coding (SFBC) on the MIMO-OFDM system, and the multiple-input multiple-output (MIMO) and orthogonal frequency division multiplexing (OFDM), designed for long term evolution (LTE) downlink transmission. The channel is modelled based on the spatial channel model (SCM) approach, which has been proposed in the 3rd Generation Partnership Project (3GPP) standard. We also study the influence of the correlation properties of the SCM channel when the antenna spaces of the transmitter and receiver antenna are changed. The simulation results show that the SFBC coding scheme has better performance than that obtained by the VBLAST and the STBC when the same antenna element spacing is used. Especially, performance of the system is better with increased spacing between antennas at base station (BS) than at the mobile station (MS) side.