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Wireless Personal Communications
Erschienen in: Wireless Personal Communications 3/2019

22.02.2019

Preamble Based Timing Offset Estimation and Correction in OFDM Assisted Massive MIMO Systems in the Presence of Inter-User-Interference

verfasst von: Sandeep Kumar Singh, Abhay S. Gandhi

Erschienen in: Wireless Personal Communications | Ausgabe 3/2019

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Abstract

This paper presents a new preamble design for correct timing synchronization and symbol time offset (STO) estimation in orthogonal frequency division multiplexing (OFDM) based massive multi input multi output (M-MIMO) systems. The proposed preamble design is more robust and accurate than conventional designs at low signal to noise ratio (SNR). This paper further analyses the effect of inter user interference (IUI) on the estimation and correction. Simulations are performed for single and multi-user cases considering Rayleigh multipath channel model. Mean and standard deviation of the evaluated STO and probability of the correct timing synchronization are considered as the performance parameters. Considering the effect of fading and IUI, result shows that the proposed preamble gives better performance at low SNR.
Vorheriger Artikel Parameter Tuning in MACO for Actual Road Conditions
Nächster Artikel Tapered Antenna Array with Non-identical Triangular MSA Elements for FSLL Reduction

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Metadaten
Titel
Preamble Based Timing Offset Estimation and Correction in OFDM Assisted Massive MIMO Systems in the Presence of Inter-User-Interference
verfasst von
Sandeep Kumar Singh
Abhay S. Gandhi
Publikationsdatum
22.02.2019
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2019
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-019-06216-1

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