상세정보
학술지
An Improved Large Frequency Offset Estimator Using Interpolation of Expanded Periodogram
- 발행일
- 201209
- 출처
- IEICE Transactions on Communications, v.E95-B no.9, pp.3007-3010
- ISSN
- 0916-8516
- 출판사
- 일본, 전자정보통신학회 (IEICE)
- 협약과제
- 12PR4500, 지상 이동통신을 위한 2.1GHz 위성 주파수 대역 최적 활용기술 개발, 구본준
- 초록
- The periodogram scheme is a versatile method for large frequency offset estimation which requires preambles, in general, and only a few reference signals. However, the drawback of the conventional scheme is its inaccuracy in detecting the integer part of frequency offset which dominates the accuracy of frequency offset estimation. In order to increase the accuracy of the estimation, we directly interpolate a coefficient of the periodogram. The conventional periodogram and proposed schemes are compared in terms of the mean square error performance in the long term evolution system. The performance of the proposed method is compared with the conventional one and the simulation results indicate the better performance of the proposed one. Copyright © 2012 The Institute of Electronics.
- KSP 제안 키워드
- Error performance, Evolution system, Frequency Offset Estimation, Long term Evolution(LTE), mean square error(MSE), simulation results