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Joint 2D-pilot-symbol-assisted-modulation and decision-directed frequency synchronization schemes for coherent OFDM

In English

Författare

  • Maria Julia Fernández-Getino Garcia
  • Ove Edfors
  • José M. Páez-Borrallo

Summary, in English

A new frequency offset tracking approach for OFDM has been addressed. Two-dimensional pilot-symbol assisted modulation (2D-PSAM) is employed in coherent OFDM for channel estimation and it is based on inserting known symbols spread out through the 2D time-frequency grid. We show that these scattered symbols can also be employed to perform frequency synchronization. Maximum likelihood estimation has been derived for both time and frequency domains. Also, if a decision-guided strategy is used jointly with the 2D-PSAM signalling, an improvement in performance can be attained

Publiceringsår

2000

Språk

Engelska

Sidor

2961-2964

Publikation/Tidskrift/Serie

Proc. IEEE Acoustics, Speech, and Signal Processing Conference

Volym

5

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE Acoustics, Speech, and Signal Processing Conference

Conference date

2000-06-05 - 2000-06-09

Conference place

Istanbul, Turkey

Status

Published

Forskningsgrupp

  • Radio Systems

ISBN/ISSN/Övrigt

  • ISBN: 0-7803-6293-4