Open AccessLow‐complexity search method for CFO estimation in GFDM
Author(s) -
Shayanfar H.,
SaeediSourck H.,
Farhang A.
Publication year - 2019
Publication title -
electronics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.375
H-Index - 146
ISSN - 1350-911X
DOI - 10.1049/el.2018.7800
Subject(s) - carrier frequency offset , computational complexity theory , computer science , orthogonal frequency division multiplexing , reduction (mathematics) , offset (computer science) , algorithm , range (aeronautics) , frequency offset , frequency division multiplexing , electronic engineering , mathematics , telecommunications , engineering , channel (broadcasting) , geometry , programming language , aerospace engineering
In this Letter, the authors propose a low‐complexity search method for carrier frequency offset (CFO) estimation in generalised frequency division multiplexing (GFDM). The proposed technique does not have any limitations on CFO acquisition range while providing an accurate estimate. Compared with the existing solutions in the literature with the lowest complexity, the proposed technique brings at least an order of magnitude complexity reduction without any performance penalty. Finally, the numerical results and comparisons with the existing literature in terms of performance and complexity attest the efficacy of the proposed method.