Statistic-based magnitude determination of impulse sample in impulse postfix GFDM systems

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Instead of pilot tones, the impulse sample is exploited for channel estimation in Impulse Postfix OFDM systems [1]. As the magnitude of impulse sample is increased, the accuracy of channel estimation can be enhanced, but it may significantly increase the PAPR of generated OFDM symbols. In this letter, based on the statistical analysis of the generated OFDM symbol, we propose a decision scheme for determining the magnitude of impulse sample. By using the proposed scheme, we can determine the magnitude of impulse sample that provides the enhancement of BER performance as well as the avoidance of PAPR increase. The validation of the proposed scheme is demonstrated by computer simulations.
Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
Issue Date
2007-12
Language
English
Article Type
Article
Keywords

SIGNALS; OFDM

Citation

IEICE TRANSACTIONS ON COMMUNICATIONS, v.E90B, no.12, pp.3716 - 3720

ISSN
0916-8516
DOI
10.1093/ietcom/e90-b.12.3716
URI
http://hdl.handle.net/10203/91414
Appears in Collection
EE-Journal Papers(저널논문)
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