---
_id: '66959'
author:
- first_name: Ren
  full_name: Ozeki, Ren
  last_name: Ozeki
- first_name: Mohamed
  full_name: Rihan, Mohamed
  last_name: Rihan
- first_name: Hamada
  full_name: Rizk, Hamada
  last_name: Rizk
- first_name: Bho
  full_name: Matthiesen, Bho
  id: '126292'
  last_name: Matthiesen
  orcid: 0000-0002-4582-3938
- first_name: Armin
  full_name: Dekorsy, Armin
  last_name: Dekorsy
- first_name: Hirozumi
  full_name: Yamaguchi, Hirozumi
  last_name: Yamaguchi
citation:
  ama: Ozeki R, Rihan M, Rizk H, Matthiesen B, Dekorsy A, Yamaguchi H. Clustered Federated
    Learning With Contrastive Loss and Staleness-Aware Aggregation for LEO Satellite
    Constellations. <i>IEEE Open Journal of the Communications Society</i>. 2026;7:8056-8072.
    doi:<a href="https://doi.org/10.1109/ojcoms.2026.3712413">10.1109/ojcoms.2026.3712413</a>
  apa: Ozeki, R., Rihan, M., Rizk, H., Matthiesen, B., Dekorsy, A., &#38; Yamaguchi,
    H. (2026). Clustered Federated Learning With Contrastive Loss and Staleness-Aware
    Aggregation for LEO Satellite Constellations. <i>IEEE Open Journal of the Communications
    Society</i>, <i>7</i>, 8056–8072. <a href="https://doi.org/10.1109/ojcoms.2026.3712413">https://doi.org/10.1109/ojcoms.2026.3712413</a>
  bibtex: '@article{Ozeki_Rihan_Rizk_Matthiesen_Dekorsy_Yamaguchi_2026, title={Clustered
    Federated Learning With Contrastive Loss and Staleness-Aware Aggregation for LEO
    Satellite Constellations}, volume={7}, DOI={<a href="https://doi.org/10.1109/ojcoms.2026.3712413">10.1109/ojcoms.2026.3712413</a>},
    journal={IEEE Open Journal of the Communications Society}, publisher={Institute
    of Electrical and Electronics Engineers (IEEE)}, author={Ozeki, Ren and Rihan,
    Mohamed and Rizk, Hamada and Matthiesen, Bho and Dekorsy, Armin and Yamaguchi,
    Hirozumi}, year={2026}, pages={8056–8072} }'
  chicago: 'Ozeki, Ren, Mohamed Rihan, Hamada Rizk, Bho Matthiesen, Armin Dekorsy,
    and Hirozumi Yamaguchi. “Clustered Federated Learning With Contrastive Loss and
    Staleness-Aware Aggregation for LEO Satellite Constellations.” <i>IEEE Open Journal
    of the Communications Society</i> 7 (2026): 8056–72. <a href="https://doi.org/10.1109/ojcoms.2026.3712413">https://doi.org/10.1109/ojcoms.2026.3712413</a>.'
  ieee: 'R. Ozeki, M. Rihan, H. Rizk, B. Matthiesen, A. Dekorsy, and H. Yamaguchi,
    “Clustered Federated Learning With Contrastive Loss and Staleness-Aware Aggregation
    for LEO Satellite Constellations,” <i>IEEE Open Journal of the Communications
    Society</i>, vol. 7, pp. 8056–8072, 2026, doi: <a href="https://doi.org/10.1109/ojcoms.2026.3712413">10.1109/ojcoms.2026.3712413</a>.'
  mla: Ozeki, Ren, et al. “Clustered Federated Learning With Contrastive Loss and
    Staleness-Aware Aggregation for LEO Satellite Constellations.” <i>IEEE Open Journal
    of the Communications Society</i>, vol. 7, Institute of Electrical and Electronics
    Engineers (IEEE), 2026, pp. 8056–72, doi:<a href="https://doi.org/10.1109/ojcoms.2026.3712413">10.1109/ojcoms.2026.3712413</a>.
  short: R. Ozeki, M. Rihan, H. Rizk, B. Matthiesen, A. Dekorsy, H. Yamaguchi, IEEE
    Open Journal of the Communications Society 7 (2026) 8056–8072.
date_created: 2026-09-04T13:58:01Z
date_updated: 2026-09-04T19:49:04Z
doi: 10.1109/ojcoms.2026.3712413
intvolume: '         7'
language:
- iso: eng
page: 8056-8072
publication: IEEE Open Journal of the Communications Society
publication_identifier:
  issn:
  - 2644-125X
publication_status: published
publisher: Institute of Electrical and Electronics Engineers (IEEE)
status: public
title: Clustered Federated Learning With Contrastive Loss and Staleness-Aware Aggregation
  for LEO Satellite Constellations
type: journal_article
user_id: '126292'
volume: 7
year: '2026'
...
---
_id: '66963'
author:
- first_name: Maik
  full_name: Röper, Maik
  last_name: Röper
- first_name: Bho
  full_name: Matthiesen, Bho
  id: '126292'
  last_name: Matthiesen
  orcid: 0000-0002-4582-3938
- first_name: Dirk
  full_name: Wübben, Dirk
  last_name: Wübben
- first_name: Petar
  full_name: Popovski, Petar
  last_name: Popovski
- first_name: Armin
  full_name: Dekorsy, Armin
  last_name: Dekorsy
citation:
  ama: Röper M, Matthiesen B, Wübben D, Popovski P, Dekorsy A. Position-Based Transceiver
    Design for Multiple Satellite to VSAT Downlink. <i>IEEE Open Journal of the Communications
    Society</i>. 2024;5:7022-7040. doi:<a href="https://doi.org/10.1109/ojcoms.2024.3486601">10.1109/ojcoms.2024.3486601</a>
  apa: Röper, M., Matthiesen, B., Wübben, D., Popovski, P., &#38; Dekorsy, A. (2024).
    Position-Based Transceiver Design for Multiple Satellite to VSAT Downlink. <i>IEEE
    Open Journal of the Communications Society</i>, <i>5</i>, 7022–7040. <a href="https://doi.org/10.1109/ojcoms.2024.3486601">https://doi.org/10.1109/ojcoms.2024.3486601</a>
  bibtex: '@article{Röper_Matthiesen_Wübben_Popovski_Dekorsy_2024, title={Position-Based
    Transceiver Design for Multiple Satellite to VSAT Downlink}, volume={5}, DOI={<a
    href="https://doi.org/10.1109/ojcoms.2024.3486601">10.1109/ojcoms.2024.3486601</a>},
    journal={IEEE Open Journal of the Communications Society}, publisher={Institute
    of Electrical and Electronics Engineers (IEEE)}, author={Röper, Maik and Matthiesen,
    Bho and Wübben, Dirk and Popovski, Petar and Dekorsy, Armin}, year={2024}, pages={7022–7040}
    }'
  chicago: 'Röper, Maik, Bho Matthiesen, Dirk Wübben, Petar Popovski, and Armin Dekorsy.
    “Position-Based Transceiver Design for Multiple Satellite to VSAT Downlink.” <i>IEEE
    Open Journal of the Communications Society</i> 5 (2024): 7022–40. <a href="https://doi.org/10.1109/ojcoms.2024.3486601">https://doi.org/10.1109/ojcoms.2024.3486601</a>.'
  ieee: 'M. Röper, B. Matthiesen, D. Wübben, P. Popovski, and A. Dekorsy, “Position-Based
    Transceiver Design for Multiple Satellite to VSAT Downlink,” <i>IEEE Open Journal
    of the Communications Society</i>, vol. 5, pp. 7022–7040, 2024, doi: <a href="https://doi.org/10.1109/ojcoms.2024.3486601">10.1109/ojcoms.2024.3486601</a>.'
  mla: Röper, Maik, et al. “Position-Based Transceiver Design for Multiple Satellite
    to VSAT Downlink.” <i>IEEE Open Journal of the Communications Society</i>, vol.
    5, Institute of Electrical and Electronics Engineers (IEEE), 2024, pp. 7022–40,
    doi:<a href="https://doi.org/10.1109/ojcoms.2024.3486601">10.1109/ojcoms.2024.3486601</a>.
  short: M. Röper, B. Matthiesen, D. Wübben, P. Popovski, A. Dekorsy, IEEE Open Journal
    of the Communications Society 5 (2024) 7022–7040.
date_created: 2026-09-04T13:59:39Z
date_updated: 2026-09-04T19:42:33Z
doi: 10.1109/ojcoms.2024.3486601
extern: '1'
intvolume: '         5'
language:
- iso: eng
page: 7022-7040
publication: IEEE Open Journal of the Communications Society
publication_identifier:
  issn:
  - 2644-125X
publication_status: published
publisher: Institute of Electrical and Electronics Engineers (IEEE)
status: public
title: Position-Based Transceiver Design for Multiple Satellite to VSAT Downlink
type: journal_article
user_id: '126292'
volume: 5
year: '2024'
...