Channel estimation in comb-type pilot arrangements for OFDM systems with null subcarriers

Jihyung Kim; Sangho Nam; Daesik Hong

doi:10.1093/ietcom/e89-b.12.3458

Channel estimation in comb-type pilot arrangements for OFDM systems with null subcarriers

Jihyung Kim, Sangho Nam, Daesik Hong

Department of Electrical and Electronic Engineering

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

2 Citations (Scopus)

Abstract

This letter analyzes the degradation effect of null subcarriers in orthogonal frequency domain multiplexing (OFDM) systems on the time-domain maximum likelihood (ML) estimation performance. The analysis is used as the basis for a proposal for a channel estimation method that can overcome performance degradation caused by null subcarriers. The accuracy of the proposed method is confirmed by the numerical analysis.

Original language	English
Pages (from-to)	3458-3462
Number of pages	5
Journal	IEICE Transactions on Communications
Volume	E89-B
Issue number	12
DOIs	https://doi.org/10.1093/ietcom/e89-b.12.3458
Publication status	Published - 2006 Dec

All Science Journal Classification (ASJC) codes

Software
Computer Networks and Communications
Electrical and Electronic Engineering

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10.1093/ietcom/e89-b.12.3458

Cite this

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abstract = "This letter analyzes the degradation effect of null subcarriers in orthogonal frequency domain multiplexing (OFDM) systems on the time-domain maximum likelihood (ML) estimation performance. The analysis is used as the basis for a proposal for a channel estimation method that can overcome performance degradation caused by null subcarriers. The accuracy of the proposed method is confirmed by the numerical analysis.",

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N2 - This letter analyzes the degradation effect of null subcarriers in orthogonal frequency domain multiplexing (OFDM) systems on the time-domain maximum likelihood (ML) estimation performance. The analysis is used as the basis for a proposal for a channel estimation method that can overcome performance degradation caused by null subcarriers. The accuracy of the proposed method is confirmed by the numerical analysis.

AB - This letter analyzes the degradation effect of null subcarriers in orthogonal frequency domain multiplexing (OFDM) systems on the time-domain maximum likelihood (ML) estimation performance. The analysis is used as the basis for a proposal for a channel estimation method that can overcome performance degradation caused by null subcarriers. The accuracy of the proposed method is confirmed by the numerical analysis.

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Channel estimation in comb-type pilot arrangements for OFDM systems with null subcarriers

Abstract

All Science Journal Classification (ASJC) codes

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