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Opensignal reports and analyses are the definitive guide to understanding the true experience consumers receive on wireless networks.

Opensignalのレポートと分析はワイヤレス・ネットワーク・ユーザーの真の体感を理解する為の決定的ガイドです
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なぜ信頼区間がモバイル・ネットワーク・エクスペリエンスの分析に不可欠か

By Francesco Rizzato, February 2019

科学実験の世界には、精密測定というものはありません。むしろ、標準的な科学的アプローチでは信頼度を扱います。信頼度が高いものを高い精度で言明できるわけですが、いくら精密に測定しても絶対数で表せるところまで達することは決してありません。科学者はこの精度を「信頼区間」と呼ばれるもので表現します。世界中のあらゆる業界や領域で採用されている規格です。日常生活で信頼区間の最も良く知られている例が、よく世論調査で開示される 誤差の範囲 です。

Multiple operators across the globe hit simultaneously by Ericsson network outage

By Francesco Rizzato, December 2018

OpenSignal has identified that December 6th’s mobile network outage hit multiple operators at the same time across the globe.

A big gap exists between the best and worst countries for video experience in East Asia

By Kevin Fitchard, October 2018

Of all of the global regions we analyzed in our <a href="/reports/2018/09/state-of-mobile-video">State of Mobile Video report</a>, East Asia definitely had the most diverse results.

Seoul top city in East Asia with 4G availability of nearly 98%

By Peter Boyland, August 2018

At OpenSignal we are currently in the process of boosting our coverage of East Asia, having launched reports in the last six months on <a href="/reports/2018/02/cambodia/mobile-networks-update">Cambodia</a>, <a href="/reports/2018/06/indonesia/state-of-the-mobile-network">Indonesia</a>, <a href="/reports/2018/05/myanmar/state-of-the-mobile-network">Myanmar</a>, <a href="/reports/2018/05/singapore/state-of-the-mobile-network">Singapore</a>, <a href="/reports/2017/12/taiwan/mobile-networks-update">Taiwan</a> and <a href="/reports/2018/04/thailand/mobile-networks-update">Thailand</a>.

Seoul and Singapore top OpenSignal's list of East Asia's fastest 4G cities

By Kevin Fitchard, July 2018

In the last year, OpenSignal has ramped up its coverage in East Asia, introducing new State of Mobile Networks reports for <a href="/reports/2018/02/cambodia/mobile-networks-update">Cambodia</a>, <a href="/reports/2018/06/indonesia/state-of-the-mobile-network">Indonesia</a>, <a href="/reports/2018/05/myanmar/state-of-the-mobile-network">Myanmar</a>, <a href="/reports/2018/05/singapore/state-of-the-mobile-network">Singapore</a>, <a href="/reports/2017/12/taiwan/mobile-networks-update">Taiwan</a> and <a href="/reports/2018/04/thailand/mobile-networks-update">Thailand</a>.