University of Oulu

E. T. R. Pinto, V. Tapio and M. Juntti, "IQ Imbalance Compensation with a Pilot Sequence," 2023 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit), Gothenburg, Sweden, 2023, pp. 138-143, doi: 10.1109/EuCNC/6GSummit58263.2023.10188306

IQ imbalance compensation with a pilot sequence

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Author: Pinto, Enrique T. R.1; Tapio, Visa1; Juntti, Markku1
Organizations: 1Centre for Wireless Communications University of Oulu, Oulu, Finland
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 0.6 MB)
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Language: English
Published: Institute of Electrical and Electronics Engineers, 2023
Publish Date: 2023-10-04


Signal degradation caused by receiver in-phase/quadrature (IQ) processing branch imbalance (IQI) is known to increase bit error rates, and deteriorate both angle of arrival (AoA) and ranging estimation accuracies. In this paper, we present an IQI compensation procedure that leverages a pilot sequence to propose an IQI compensation method, which tolerates time synchronization errors. We then explore a single anchor positioning problem and show that the proposed procedure is effective in improving the position estimation accuracy. We evaluate its performance via computer simulations. The results show that the scheme outperforms an earlier method, which is blind in the sense that it does not capitalize the pilot sequence availability.

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Series: European Conference on Networks and Communications
ISSN: 2475-6490
ISSN-E: 2575-4912
ISSN-L: 2475-6490
ISBN: 979-8-3503-1102-0
ISBN Print: 979-8-3503-1103-7
Pages: 138 - 143
DOI: 10.1109/EuCNC/6GSummit58263.2023.10188306
Host publication: 2023 Joint European Conference on Networks and Communications & 6G Summit (EuCNC/6G Summit)
Conference: Joint European Conference on Networks and Communications & 6G Summit
Type of Publication: A4 Article in conference proceedings
Field of Science: 213 Electronic, automation and communications engineering, electronics
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