SFBC and ICI cancellation method comparison in the MISO DFT-spread OFDM system with frequency offset and phase noise

  • Authors:

  • Yingshan Li;Heung-Gyoon Ryu;Dongyan Sun;Haiyuan Liu;Zhiming Zhang;Ming Shi

  • Affiliations:

  • Department of Communication Engineering, College of Information, Nankai University, Tianjin, China;School of Electrical & Computer Engineering, Chungbuk National University, Cheongju, Chungbuk, Korea;Department of Communication Engineering, College of Information, Nankai University, Tianjin, China;Department of Communication Engineering, College of Information, Nankai University, Tianjin, China;Department of Communication Engineering, College of Information, Nankai University, Tianjin, China;Department of Communication Engineering, College of Information, Nankai University, Tianjin, China

  • Venue:
  • WiCOM'09 Proceedings of the 5th International Conference on Wireless communications, networking and mobile computing
  • Year:
  • 2009

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Abstract

In this paper, frequency offset and phase noise influence in the MISO SFBC DFT-Spread OFDM system is analyzed theoretically, then, ICI cancellation methods are applied to minimize interference. Simulation results show that in the 2×1 SFBC DFT-Spread OFDM system, ICI and SCI can not be neglected because the system even intensifies interference due to the simultaneous generation of more SCI and ICI than 2×1 DFT-Spread OFDM only. This phenomenon can be resolved by using ICI self-cancellation methods, especially, considerable performance improvement can be achieved by using data-conjugate method.