Reducing the Impact of RF Interference to Improve GNSS Performance

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  • Author: Bernd Heidtmann

GNSS receivers are finding their way into an ever-growing variety of devices, from connected wearables, homes, and vehicles to people, vehicles, and asset trackers. Often, they are tightly co-packaged with cellular and short-range modems that wirelessly transmit location data obtained using the global navigation satellite system (GNSS) receiver to the cloud for processing, storage, and visualization. Such designs are challenging to GNSS receivers, whose performance can be degraded by RF signals emitted by the wireless modem during transmission. In this white paper, we present strategies to reduce the impact of RF interference in order to improve GNSS performance.

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