A Novel ICI Self-cancellation Scheme for Improving the Performance of OFDM System

  • Ravi Prakash YadavEmail author
  • Ritesh Kumar Mishra
  • Shipra Swati
Conference paper
Part of the Smart Innovation, Systems and Technologies book series (SIST, volume 28)


Orthogonal frequency division multiplexing (OFDM) is a promising technique for fourth generation (4G) broadband wireless communication systems. However its performance is degrade due to Doppler frequency drift or frequency drift between transmitter and receiver oscillator which causes frequency offset. This leads to a loss in the orthogonality between sub-carriers and results in inter-carrier-interference (ICI). In this paper we proposed a novel ICI self-cancellation scheme for ICI mitigation in OFDM system and compared it with the standard OFDM system and conventional self-cancellation scheme in terms of carrier-to-interference ratio (CIR) and bit-error rate. This scheme works in two very simple steps. At the transmitter side, one data symbol is modulated onto four sub-carriers with appropriate weighting coefficients. At the receiver side by linearly combining the received signals on these sub-carriers leads to a sufficient reduction in ICI. The simulation result shows that the proposed scheme outperforms the existing method.


Inter-carrier-interference (ICI) OFDM ICI self-cancellation carrier-to-interference ratio (CIR) 


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Copyright information

© Springer International Publishing Switzerland 2014

Authors and Affiliations

  • Ravi Prakash Yadav
    • 1
    Email author
  • Ritesh Kumar Mishra
    • 1
  • Shipra Swati
    • 2
  1. 1.Department of Electronics and Communication EngineeringNational Institute of TechnologyPatnaIndia
  2. 2.Department of Computer Science and EngineeringPICTPuneIndia

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