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http://hdl.handle.net/10071/15957
acessibilidade
Title: Efficient channel estimation using TCH codes
Authors: Lopes, B.
Catarino, S.
Cercas, F.
Souto, N.
Dinis, R.
Keywords: TCH codes
Channel estimation
OFDM
Data multiplexed pilots
Implicit pilots
Issue Date: 2017
Publisher: IEEE
Abstract: In this paper, we consider the use of TCH codes to perform channel estimation in an OFDM system, using either data multiplexed pilots or superimposed pilots over the data. TCH codes possess several properties that allow us to use them efficiently in various applications which includes channel estimation, as we address in this paper. With this objective, several performance results were obtained through simulations which allowed the evaluation of the impact of different pilot power levels and modulations, as well as the comparison of TCH against other conventional pilots. In order to cope with the interference between pilots and data, an iterative receiver with interference suppression was employed for the superimposed pilots method.
Peer reviewed: yes
URI: https://ciencia.iscte-iul.pt/id/ci-pub-44198
http://hdl.handle.net/10071/15957
ISBN: 978-1-5386-3435-6
ISSN: 2157-0221
Appears in Collections:IT-CRI - Comunicações a conferências internacionais

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