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An analysis of two-dimensional pilot-symbol assisted modulation for OFDM

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Author

Summary, in English

In this paper we analyze two-dimensional (2D) pilot-symbol assisted modulation (PSAM) for wireless orthogonal frequency-division multiplexing (OFDM). 2D-PSAM has been suggested for wireless OFDM by several authors and is included in a preliminary draft of the standard for European digital video broadcast. We generalize the analysis of single-carrier PSAM to the 2D time-frequency lattice of OFDM. We analyze 2D-PSAM for two different channel estimators: one with good performance and high complexity and one suboptimal with low complexity. We verify that a good rule of thumb is to place the pilots at least as twice as close, in time and frequency, as required by the 2D sampling theorem

Publishing year

1997

Language

English

Pages

71-74

Publication/Series

Proc. IEEE International Conference on Personal Wireless Communications

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Conference on Personal Wireless Communications, 1997

Conference date

1997-12-17 - 1997-12-19

Conference place

Mumbai, India

Status

Published

Research group

  • Radio Systems

ISBN/ISSN/Other

  • ISBN: 0-7803-4298-4