Crowdsourcing can be a good choice when customer perception of mobile network quality shall be assessed. Like any other tool, however, its value depends on the way it is being used.

There are two ways to improve the usefulness of crowdsourcing. One can be called “passive”, by applying filtering techniques to remove inconsistent or misleading data. The alternative is active improvement, to ensure that collected data is more meaningful, e.g. by collecting additional information which can improve the quality of primary data.

Focus Infocom has been working on crowdsourcing themes, in standardization and in industry, and with a horizon much wider than just “internet speed test”. Now, a new technical paper is available for qualified parties, which gives an overview of applicable techniques and guidance for implementing Crowdsourcing-based data collection systems.

This technical paper covers themes such as yield optimization through adaptation of testing scenarios, active and passive calibration techniques, as well as advanced methods to use smartphone sensors to enhance data quality. It is addressed to stakeholders in the conventional domains of mobile network operators and regulators, but also to a wider audience of industry looking to use Crowdsourcing techniques for e.g. monitoring and SLA validation in shared, hybrid and private operator models.

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