Carrier frequency drift estimation for high mobility hierarchical-modulated MIMO-OFDM systems

Yang Han Lee; Jheng Yao Lin; Yih Guang Jan; Wen Ching Li; Jing Shown Wu; Hen Wai Tsao; Ming Hsueh Chuang; Qiang Chen; Qiaowei Yuan

doi:10.1587/elex.8.1823

Carrier frequency drift estimation for high mobility hierarchical-modulated MIMO-OFDM systems

Yang Han Lee, Jheng Yao Lin, Yih Guang Jan, Wen Ching Li, Jing Shown Wu, Hen Wai Tsao, Ming Hsueh Chuang, Qiang Chen, Qiaowei Yuan

ENG - Communications Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

In this paper the implementation of hierarchical- modulated pilot signals for carrier frequency drift estimation in high mobility multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) system is introduced. Specifically for a hierarchical-modulated 64QAM-OFDM system in which three Layers with two bits in each Layer are defined from the constellation point and the carrier frequency drift estimation is facilitated from every Layer instead of using all six constellation bits to possibly simplify the design and reduce the time in the estimation process. The carrier frequency drift estimation by using only one Layer and the system performance at the receiver terminal by utilizing this Layer's estimated carrier frequency drift are simulated and compared for various high mobile speeds in Rayleigh fading channels.

Original language	English
Pages (from-to)	1823-1828
Number of pages	6
Journal	IEICE Electronics Express
Volume	8
Issue number	21
DOIs	https://doi.org/10.1587/elex.8.1823
Publication status	Published - 2011 Nov 10

Keywords

Carrier frequency drift
Doppler effect
Hierarchical modulation
MIMO-OFDM

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10.1587/elex.8.1823

Cite this

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title = "Carrier frequency drift estimation for high mobility hierarchical-modulated MIMO-OFDM systems",

abstract = "In this paper the implementation of hierarchical- modulated pilot signals for carrier frequency drift estimation in high mobility multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) system is introduced. Specifically for a hierarchical-modulated 64QAM-OFDM system in which three Layers with two bits in each Layer are defined from the constellation point and the carrier frequency drift estimation is facilitated from every Layer instead of using all six constellation bits to possibly simplify the design and reduce the time in the estimation process. The carrier frequency drift estimation by using only one Layer and the system performance at the receiver terminal by utilizing this Layer's estimated carrier frequency drift are simulated and compared for various high mobile speeds in Rayleigh fading channels.",

keywords = "Carrier frequency drift, Doppler effect, Hierarchical modulation, MIMO-OFDM",

author = "Lee, {Yang Han} and Lin, {Jheng Yao} and Jan, {Yih Guang} and Li, {Wen Ching} and Wu, {Jing Shown} and Tsao, {Hen Wai} and Chuang, {Ming Hsueh} and Qiang Chen and Qiaowei Yuan",

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doi = "10.1587/elex.8.1823",

language = "English",

volume = "8",

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journal = "IEICE Electronics Express",

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T1 - Carrier frequency drift estimation for high mobility hierarchical-modulated MIMO-OFDM systems

AU - Lee, Yang Han

AU - Lin, Jheng Yao

AU - Jan, Yih Guang

AU - Li, Wen Ching

AU - Wu, Jing Shown

AU - Tsao, Hen Wai

AU - Chuang, Ming Hsueh

AU - Chen, Qiang

AU - Yuan, Qiaowei

PY - 2011/11/10

Y1 - 2011/11/10

N2 - In this paper the implementation of hierarchical- modulated pilot signals for carrier frequency drift estimation in high mobility multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) system is introduced. Specifically for a hierarchical-modulated 64QAM-OFDM system in which three Layers with two bits in each Layer are defined from the constellation point and the carrier frequency drift estimation is facilitated from every Layer instead of using all six constellation bits to possibly simplify the design and reduce the time in the estimation process. The carrier frequency drift estimation by using only one Layer and the system performance at the receiver terminal by utilizing this Layer's estimated carrier frequency drift are simulated and compared for various high mobile speeds in Rayleigh fading channels.

AB - In this paper the implementation of hierarchical- modulated pilot signals for carrier frequency drift estimation in high mobility multi-input multi-output orthogonal frequency division multiplexing (MIMO-OFDM) system is introduced. Specifically for a hierarchical-modulated 64QAM-OFDM system in which three Layers with two bits in each Layer are defined from the constellation point and the carrier frequency drift estimation is facilitated from every Layer instead of using all six constellation bits to possibly simplify the design and reduce the time in the estimation process. The carrier frequency drift estimation by using only one Layer and the system performance at the receiver terminal by utilizing this Layer's estimated carrier frequency drift are simulated and compared for various high mobile speeds in Rayleigh fading channels.

KW - Carrier frequency drift

KW - Doppler effect

KW - Hierarchical modulation

KW - MIMO-OFDM

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Carrier frequency drift estimation for high mobility hierarchical-modulated MIMO-OFDM systems

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Keywords

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