Dual Satellite STBC Combining Under Imperfect Symbol Time Alignment

MARCOS ROJAS, Carlos Luis; GONZALEZ RIOS, Jorge Luis; GARCES SOCARRAS, Luis Manuel; SINGH, Vibhum; MERLANO DUNCAN, Juan Carlos; HA, Vu Nguyen; CHATZINOTAS, Symeon; OTTERSTEN, Björn; CUIMAN MARQUEZ, Raudel

doi:10.1109/ojcoms.2025.3648041

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Dual Satellite STBC Combining Under Imperfect Symbol Time Alignment

MARCOS ROJAS, Carlos Luis; GONZALEZ RIOS, Jorge Luis; GARCES SOCARRAS, Luis Manuel et al.

2025 • In IEEE Open Journal of the Communications Society, p. 1-1

Peer Reviewed verified by ORBi

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https://hdl.handle.net/10993/66984

DOI
10.1109/ojcoms.2025.3648041

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Keywords :

STBC, Spatial Diversity, Satellite Communications, SINR, Time Misalignment

Abstract :

[en] In distributed satellite communication systems, spatial diversity techniques such as Space-Time Block Coding (STBC) offer an attractive opportunity to enhance the link’s capabilities without additional spectrum consumption. One of the major challenges that still remains is the degradation of the Signal-to-Interference-plus-Noise Ratio (SINR) at the receiver, primarily due to time misalignment between satellites. This paper presents a robust receiver architecture that demonstrates strong resilience against SINR degradation caused by time misalignment between satellites and maintains robust performance even under additional impairments such as power imbalance and Doppler shifts. Moreover, we present an efficient implementation of the receiver, which combines both software and hardware platforms.

Precision for document type :

Review article

Disciplines :

Electrical & electronics engineering

Author, co-author :

MARCOS ROJAS, Carlos Luis ; University of Luxembourg

GONZALEZ RIOS, Jorge Luis ; University of Luxembourg

GARCES SOCARRAS, Luis Manuel ; University of Luxembourg

SINGH, Vibhum ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom

MERLANO DUNCAN, Juan Carlos ; University of Luxembourg

HA, Vu Nguyen ; University of Luxembourg

CHATZINOTAS, Symeon ; University of Luxembourg

OTTERSTEN, Björn ; University of Luxembourg

CUIMAN MARQUEZ, Raudel ; University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT) > SigCom

External co-authors :

Language :

English

Title :

Dual Satellite STBC Combining Under Imperfect Symbol Time Alignment

Publication date :

24 December 2025

Journal title :

IEEE Open Journal of the Communications Society

eISSN :

2644-125X

Publisher :

Institute of Electrical and Electronics Engineers (IEEE)

Pages :

1-1

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://xplorestaging.ieee.org/ielx8/8782661/8901158/11313860.pdf?arnumber=11313860

Name of the research project :

U-AGR-8088 - ESA-DIVERSITY - CHATZINOTAS Symeon

Funders :

Fonds National de la Recherche Luxembourg

Available on ORBilu :

since 25 December 2025

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