Pilot-Aided multicarrier wireless channel estimation via mmse polynomial interpolation

Kun Chien Hung*, David W. Lin

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Scopus citations

Abstract

Orthogonal frequency division multiplexing (OFDM) and multiple access (OFDMA) signal receivers often employ pilot-aided channel estimation. For it, an often considered technique is frequency-domain polynomial interpolation, due to its simplicity. However, the performance of polynomial interpolators suffers in channels with large delay spreads due to modeling error. The problem can be remedied by including a linear phase to the interpolator. In this paper, we derive a method to estimate the optimal phase shift that minimizes the mean-square channel estimation error. We further consider adaptive selection of the interpolation order for best performance. As a practical application, we adapt the proposed channel estimation technique to Mobile WiMAX downlink transmission and examine the resulting performance.

Original languageEnglish
Title of host publication2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
Pages3412-3416
Number of pages5
DOIs
StatePublished - 1 Dec 2008
Event2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 - New Orleans, LA, United States
Duration: 30 Nov 20084 Dec 2008

Publication series

NameGLOBECOM - IEEE Global Telecommunications Conference

Conference

Conference2008 IEEE Global Telecommunications Conference, GLOBECOM 2008
CountryUnited States
CityNew Orleans, LA
Period30/11/084/12/08

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    Hung, K. C., & Lin, D. W. (2008). Pilot-Aided multicarrier wireless channel estimation via mmse polynomial interpolation. In 2008 IEEE Global Telecommunications Conference, GLOBECOM 2008 (pp. 3412-3416). [4698430] (GLOBECOM - IEEE Global Telecommunications Conference). https://doi.org/10.1109/GLOCOM.2008.ECP.655