Finite High Order Approximation Algorithm for Joint Frequency Tracking and Channel Estimation in OFDM Systems
學年 101
學期 1
出版（發表）日期 2012-10-01
作品名稱 Finite High Order Approximation Algorithm for Joint Frequency Tracking and Channel Estimation in OFDM Systems
作品名稱（其他語言）
著者 Yen, Rainfield Y.; Liu, Hong-Yu; Tsai, Chia-Sheng
單位 淡江大學化學工程與材料工程學系
出版者 Tokyo: Denshi Jouhou Tsuushin Gakkai
著錄名稱、卷期、頁數 IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E95.A(10), pp.1676-1682
摘要 For maximum-likelihood (ML) estimation to jointly track carrier frequency offset (CFO) and channel impulse response (CIR) in orthogonal frequency division multiplexing (OFDM) systems, we present a finite high order approximation method utilizing the MATLAB ‘roots' command on the log-likelihood function derived from the OFDM received signal, coupled with an adaptive iteration algorithm. The tracking performance of this high order approximation algorithm is found to be excellent, and as expected, the algorithm outperforms the other existing first order approximation algorithms.
關鍵字 maximum-likelihood (ML) estimation; orthogonal frequency division multiplexing (OFDM); carrier frequecy offset; channel estimation
語言 en_US
ISSN 0916-8508 1745-1337
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度
國別 JPN
公開徵稿
出版型式 紙本 電子版
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