Earticle

초록

영어

Phase noise is produced in local oscillator or PLL(phase locked loop), which affects seriously BER performance of the OFDM (orthogonal frequency division multiplexing) system. ICI (inter-sub-carrier-interference) caused by the phase noise is a serious problem. In this paper, two modified ICI self-cancellation methods are proposed and compared for the performance evaluation. In the original OFDM system, the proposed symmetric data-conjugate method has the best ICI minimization capability, which becomes gradually degraded according to the order of symmetric data-conjugate method, data-conjugate method, symmetric data-conversion method and data-conversion method. When phase noise dominates in the OFDM system, symmetric data-conjugate method can result in the best BER performance, when HPA nonlinearity cannot be neglected, data-conjugate method achieves the best BER performance.

목차

Abstract
 1. Introduction
 2. Phase Noise in the OFDM System
  2.1. OFDM System
 3. Modified ICI Self-Cancellation Methods
  3.1. Proposed Symmetric Data-conjugate Method
  3.2. Proposed Symmetric Data-conversion Method
 4. Simulation Results and Discussion
 5. Conclusions
 Acknowledgements
 References

키워드

저자

• Heung-Gyoon Ryu [ Department of Electronic Engineering, Chungbuk National University, Korea ]
• Do-Hoon Kim [ Department of Electronic Engineering, Chungbuk National University, Korea ]

참고문헌

발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  International Journal of Database Theory and Application

• 간기

  격월간

• pISSN

  2005-4270

• 수록기간

  2008~2016

• 십진분류

  KDC 505 DDC 605