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NTT met au point une technologie d'accès optique à faible latence, qui fonctionne en coordination avec un système mobile 5G
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News provided by

Nippon Telegraph and Telephone Corporation (NTT)

Feb 26, 2018, 09:45 ET

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TOKYO, 23 février 2018 /PRNewswire/ --

- Prendre en charge et exploiter de façon efficace les stations de base -

Nippon Telegraph and Telephone Corporation (NTT) a mis au point une technologie d'accès optique à faible latence, qui contribue à réduire le nombre de fibres optiques nécessaires pour prendre en charge les stations de base, en particulier au moment où apparaissent les systèmes mobiles de cinquième génération et de génération suivante. NTT a également mené des essais de faisabilité où le système d'accès optique a fonctionné en coordination avec un système mobile.

Cette technologie réduit la latence de transmission des données, problématique lorsque l'on applique des systèmes d'accès optique au système mobile, largement utilisés pour accéder à l'Internet. Le résultat a été obtenu en faisant fonctionner les terminaux de ligne optique et les unités d'agrégation des stations de base dans un bureau de télécommunications, en coordination avec le signal de contrôle.

(Fig.1 : https://prw.kyodonews.jp/prwfile/release/M103662/201802211148/_prw_PA1fl_745S870e.pdf)

En appliquant cette technologie sur les systèmes d'accès optique avec un système mobile, il devient possible d'utiliser de façon efficace les fibres optiques entre un bureau de télécommunications et les stations de base. Cela réduit le nombre de fibres optiques requises comme les ports de l'unité d'agrégation de la station de base, permettant aux stations de base de fonctionner efficacement. Des échanges approfondis sur cette technologie sont engagés à l'UIT-T, un organisme de normalisation.

NTT s'applique à poursuivre ses activités de R-D, pour aider les opérateurs mobiles à bâtir des réseaux efficaces.

Pour plus d'informations,
http://www.ntt.co.jp/news2018/1802e/180214a.html

À propos de Nippon Telegraph and Telephone Corporation
Basé à Chiyoda-ku, Tokyo
PDG : Hiroo Unoura

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